reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 2 | * Copyright 2008 The Android Open Source Project |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 3 | * |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include "SkCanvas.h" |
reed | 6a070dc | 2014-11-11 19:36:09 -0800 | [diff] [blame] | 9 | #include "SkCanvasDrawable.h" |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 10 | #include "SkCanvasPriv.h" |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 11 | #include "SkBitmapDevice.h" |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 12 | #include "SkDeviceImageFilterProxy.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 13 | #include "SkDraw.h" |
| 14 | #include "SkDrawFilter.h" |
| 15 | #include "SkDrawLooper.h" |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 16 | #include "SkImage.h" |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 17 | #include "SkMetaData.h" |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 18 | #include "SkPathOps.h" |
dandov | b3c9d1c | 2014-08-12 08:34:29 -0700 | [diff] [blame] | 19 | #include "SkPatchUtils.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 20 | #include "SkPicture.h" |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 21 | #include "SkRasterClip.h" |
reed | 96472de | 2014-12-10 09:53:42 -0800 | [diff] [blame] | 22 | #include "SkReadPixelsRec.h" |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 23 | #include "SkRRect.h" |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 24 | #include "SkSmallAllocator.h" |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 25 | #include "SkSurface_Base.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 26 | #include "SkTemplates.h" |
fmalita | 7ba7aa7 | 2014-08-29 09:46:36 -0700 | [diff] [blame] | 27 | #include "SkTextBlob.h" |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 28 | #include "SkTextFormatParams.h" |
reed@google.com | a076e9b | 2011-04-06 20:17:29 +0000 | [diff] [blame] | 29 | #include "SkTLazy.h" |
danakj | 8f757f5 | 2014-11-04 11:48:43 -0800 | [diff] [blame] | 30 | #include "SkTraceEvent.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 31 | #include "SkUtils.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 32 | |
commit-bot@chromium.org | 644629c | 2013-11-21 06:21:58 +0000 | [diff] [blame] | 33 | #if SK_SUPPORT_GPU |
| 34 | #include "GrRenderTarget.h" |
| 35 | #endif |
| 36 | |
reed | d990e2f | 2014-12-22 11:58:30 -0800 | [diff] [blame^] | 37 | static bool gIgnoreSaveLayerBounds; |
| 38 | void SkCanvas::Internal_Private_SetIgnoreSaveLayerBounds(bool ignore) { |
| 39 | gIgnoreSaveLayerBounds = ignore; |
| 40 | } |
| 41 | bool SkCanvas::Internal_Private_GetIgnoreSaveLayerBounds() { |
| 42 | return gIgnoreSaveLayerBounds; |
| 43 | } |
| 44 | |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 45 | // experimental for faster tiled drawing... |
| 46 | //#define SK_ENABLE_CLIP_QUICKREJECT |
robertphillips@google.com | 15e9d3e | 2012-06-21 20:25:03 +0000 | [diff] [blame] | 47 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 48 | //#define SK_TRACE_SAVERESTORE |
| 49 | |
| 50 | #ifdef SK_TRACE_SAVERESTORE |
| 51 | static int gLayerCounter; |
| 52 | static void inc_layer() { ++gLayerCounter; printf("----- inc layer %d\n", gLayerCounter); } |
| 53 | static void dec_layer() { --gLayerCounter; printf("----- dec layer %d\n", gLayerCounter); } |
| 54 | |
| 55 | static int gRecCounter; |
| 56 | static void inc_rec() { ++gRecCounter; printf("----- inc rec %d\n", gRecCounter); } |
| 57 | static void dec_rec() { --gRecCounter; printf("----- dec rec %d\n", gRecCounter); } |
| 58 | |
| 59 | static int gCanvasCounter; |
| 60 | static void inc_canvas() { ++gCanvasCounter; printf("----- inc canvas %d\n", gCanvasCounter); } |
| 61 | static void dec_canvas() { --gCanvasCounter; printf("----- dec canvas %d\n", gCanvasCounter); } |
| 62 | #else |
| 63 | #define inc_layer() |
| 64 | #define dec_layer() |
| 65 | #define inc_rec() |
| 66 | #define dec_rec() |
| 67 | #define inc_canvas() |
| 68 | #define dec_canvas() |
| 69 | #endif |
| 70 | |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 71 | typedef SkTLazy<SkPaint> SkLazyPaint; |
| 72 | |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 73 | void SkCanvas::predrawNotify() { |
| 74 | if (fSurfaceBase) { |
commit-bot@chromium.org | c4c9870 | 2013-04-22 14:28:01 +0000 | [diff] [blame] | 75 | fSurfaceBase->aboutToDraw(SkSurface::kRetain_ContentChangeMode); |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 76 | } |
| 77 | } |
| 78 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 79 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 80 | |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 81 | static uint32_t filter_paint_flags(const SkSurfaceProps& props, uint32_t flags) { |
| 82 | const uint32_t propFlags = props.flags(); |
| 83 | if (propFlags & SkSurfaceProps::kDisallowDither_Flag) { |
| 84 | flags &= ~SkPaint::kDither_Flag; |
| 85 | } |
| 86 | if (propFlags & SkSurfaceProps::kDisallowAntiAlias_Flag) { |
| 87 | flags &= ~SkPaint::kAntiAlias_Flag; |
| 88 | } |
| 89 | return flags; |
| 90 | } |
| 91 | |
| 92 | /////////////////////////////////////////////////////////////////////////////// |
| 93 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 94 | /* This is the record we keep for each SkBaseDevice that the user installs. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 95 | The clip/matrix/proc are fields that reflect the top of the save/restore |
| 96 | stack. Whenever the canvas changes, it marks a dirty flag, and then before |
| 97 | these are used (assuming we're not on a layer) we rebuild these cache |
| 98 | values: they reflect the top of the save stack, but translated and clipped |
| 99 | by the device's XY offset and bitmap-bounds. |
| 100 | */ |
| 101 | struct DeviceCM { |
| 102 | DeviceCM* fNext; |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 103 | SkBaseDevice* fDevice; |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 104 | SkRasterClip fClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 105 | const SkMatrix* fMatrix; |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 106 | SkPaint* fPaint; // may be null (in the future) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 107 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 108 | DeviceCM(SkBaseDevice* device, int x, int y, const SkPaint* paint, SkCanvas* canvas, |
| 109 | bool conservativeRasterClip) |
| 110 | : fNext(NULL) |
| 111 | , fClip(conservativeRasterClip) |
| 112 | { |
| 113 | if (NULL != device) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 114 | device->ref(); |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 115 | device->onAttachToCanvas(canvas); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 116 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 117 | fDevice = device; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 118 | fPaint = paint ? SkNEW_ARGS(SkPaint, (*paint)) : NULL; |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 119 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 120 | |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 121 | ~DeviceCM() { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 122 | if (fDevice) { |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 123 | fDevice->onDetachFromCanvas(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 124 | fDevice->unref(); |
| 125 | } |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 126 | SkDELETE(fPaint); |
| 127 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 128 | |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 129 | void updateMC(const SkMatrix& totalMatrix, const SkRasterClip& totalClip, |
| 130 | const SkClipStack& clipStack, SkRasterClip* updateClip) { |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 131 | int x = fDevice->getOrigin().x(); |
| 132 | int y = fDevice->getOrigin().y(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 133 | int width = fDevice->width(); |
| 134 | int height = fDevice->height(); |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 135 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 136 | if ((x | y) == 0) { |
| 137 | fMatrix = &totalMatrix; |
| 138 | fClip = totalClip; |
| 139 | } else { |
| 140 | fMatrixStorage = totalMatrix; |
| 141 | fMatrixStorage.postTranslate(SkIntToScalar(-x), |
| 142 | SkIntToScalar(-y)); |
| 143 | fMatrix = &fMatrixStorage; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 144 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 145 | totalClip.translate(-x, -y, &fClip); |
| 146 | } |
| 147 | |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 148 | fClip.op(SkIRect::MakeWH(width, height), SkRegion::kIntersect_Op); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 149 | |
| 150 | // intersect clip, but don't translate it (yet) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 151 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 152 | if (updateClip) { |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 153 | updateClip->op(SkIRect::MakeXYWH(x, y, width, height), |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 154 | SkRegion::kDifference_Op); |
| 155 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 156 | |
robertphillips@google.com | 3fffb2e | 2012-10-09 22:30:18 +0000 | [diff] [blame] | 157 | fDevice->setMatrixClip(*fMatrix, fClip.forceGetBW(), clipStack); |
| 158 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 159 | #ifdef SK_DEBUG |
| 160 | if (!fClip.isEmpty()) { |
| 161 | SkIRect deviceR; |
| 162 | deviceR.set(0, 0, width, height); |
| 163 | SkASSERT(deviceR.contains(fClip.getBounds())); |
| 164 | } |
| 165 | #endif |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 166 | } |
| 167 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 168 | private: |
bsalomon@google.com | 0e354aa | 2012-10-08 20:44:25 +0000 | [diff] [blame] | 169 | SkMatrix fMatrixStorage; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 170 | }; |
| 171 | |
| 172 | /* This is the record we keep for each save/restore level in the stack. |
| 173 | Since a level optionally copies the matrix and/or stack, we have pointers |
| 174 | for these fields. If the value is copied for this level, the copy is |
| 175 | stored in the ...Storage field, and the pointer points to that. If the |
| 176 | value is not copied for this level, we ignore ...Storage, and just point |
| 177 | at the corresponding value in the previous level in the stack. |
| 178 | */ |
| 179 | class SkCanvas::MCRec { |
| 180 | public: |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 181 | SkDrawFilter* fFilter; // the current filter (or null) |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 182 | DeviceCM* fLayer; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 183 | /* If there are any layers in the stack, this points to the top-most |
| 184 | one that is at or below this level in the stack (so we know what |
| 185 | bitmap/device to draw into from this level. This value is NOT |
| 186 | reference counted, since the real owner is either our fLayer field, |
| 187 | or a previous one in a lower level.) |
| 188 | */ |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 189 | DeviceCM* fTopLayer; |
| 190 | SkRasterClip fRasterClip; |
| 191 | SkMatrix fMatrix; |
| 192 | int fDeferredSaveCount; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 193 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 194 | MCRec(bool conservativeRasterClip) : fRasterClip(conservativeRasterClip) { |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 195 | fFilter = NULL; |
| 196 | fLayer = NULL; |
| 197 | fTopLayer = NULL; |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 198 | fMatrix.reset(); |
| 199 | fDeferredSaveCount = 0; |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 200 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 201 | // don't bother initializing fNext |
| 202 | inc_rec(); |
| 203 | } |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 204 | MCRec(const MCRec& prev) : fRasterClip(prev.fRasterClip), fMatrix(prev.fMatrix) { |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 205 | fFilter = SkSafeRef(prev.fFilter); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 206 | fLayer = NULL; |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 207 | fTopLayer = prev.fTopLayer; |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 208 | fDeferredSaveCount = 0; |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 209 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 210 | // don't bother initializing fNext |
| 211 | inc_rec(); |
| 212 | } |
| 213 | ~MCRec() { |
reed@google.com | 82065d6 | 2011-02-07 15:30:46 +0000 | [diff] [blame] | 214 | SkSafeUnref(fFilter); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 215 | SkDELETE(fLayer); |
| 216 | dec_rec(); |
| 217 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 218 | }; |
| 219 | |
| 220 | class SkDrawIter : public SkDraw { |
| 221 | public: |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 222 | SkDrawIter(SkCanvas* canvas, bool skipEmptyClips = true) { |
junov@google.com | 4370aed | 2012-01-18 16:21:08 +0000 | [diff] [blame] | 223 | canvas = canvas->canvasForDrawIter(); |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 224 | fCanvas = canvas; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 225 | canvas->updateDeviceCMCache(); |
| 226 | |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 227 | fClipStack = &canvas->fClipStack; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 228 | fCurrLayer = canvas->fMCRec->fTopLayer; |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 229 | fSkipEmptyClips = skipEmptyClips; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 230 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 231 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 232 | bool next() { |
| 233 | // skip over recs with empty clips |
| 234 | if (fSkipEmptyClips) { |
| 235 | while (fCurrLayer && fCurrLayer->fClip.isEmpty()) { |
| 236 | fCurrLayer = fCurrLayer->fNext; |
| 237 | } |
| 238 | } |
| 239 | |
reed@google.com | f68c5e2 | 2012-02-24 16:38:58 +0000 | [diff] [blame] | 240 | const DeviceCM* rec = fCurrLayer; |
| 241 | if (rec && rec->fDevice) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 242 | |
| 243 | fMatrix = rec->fMatrix; |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 244 | fClip = &((SkRasterClip*)&rec->fClip)->forceGetBW(); |
| 245 | fRC = &rec->fClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 246 | fDevice = rec->fDevice; |
| 247 | fBitmap = &fDevice->accessBitmap(true); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 248 | fPaint = rec->fPaint; |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 249 | SkDEBUGCODE(this->validate();) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 250 | |
| 251 | fCurrLayer = rec->fNext; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 252 | // fCurrLayer may be NULL now |
reed@android.com | 199f108 | 2009-06-10 02:12:47 +0000 | [diff] [blame] | 253 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 254 | return true; |
| 255 | } |
| 256 | return false; |
| 257 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 258 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 259 | SkBaseDevice* getDevice() const { return fDevice; } |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 260 | int getX() const { return fDevice->getOrigin().x(); } |
| 261 | int getY() const { return fDevice->getOrigin().y(); } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 262 | const SkMatrix& getMatrix() const { return *fMatrix; } |
| 263 | const SkRegion& getClip() const { return *fClip; } |
| 264 | const SkPaint* getPaint() const { return fPaint; } |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 265 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 266 | private: |
| 267 | SkCanvas* fCanvas; |
| 268 | const DeviceCM* fCurrLayer; |
| 269 | const SkPaint* fPaint; // May be null. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 270 | SkBool8 fSkipEmptyClips; |
| 271 | |
| 272 | typedef SkDraw INHERITED; |
| 273 | }; |
| 274 | |
| 275 | ///////////////////////////////////////////////////////////////////////////// |
| 276 | |
| 277 | class AutoDrawLooper { |
| 278 | public: |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 279 | AutoDrawLooper(SkCanvas* canvas, const SkSurfaceProps& props, const SkPaint& paint, |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 280 | bool skipLayerForImageFilter = false, |
| 281 | const SkRect* bounds = NULL) : fOrigPaint(paint) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 282 | fCanvas = canvas; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 283 | fFilter = canvas->getDrawFilter(); |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 284 | fPaint = &fOrigPaint; |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 285 | fSaveCount = canvas->getSaveCount(); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 286 | fDoClearImageFilter = false; |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 287 | fDone = false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 288 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 289 | if (!skipLayerForImageFilter && fOrigPaint.getImageFilter()) { |
| 290 | SkPaint tmp; |
| 291 | tmp.setImageFilter(fOrigPaint.getImageFilter()); |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 292 | (void)canvas->internalSaveLayer(bounds, &tmp, SkCanvas::kARGB_ClipLayer_SaveFlag, |
| 293 | true, SkCanvas::kFullLayer_SaveLayerStrategy); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 294 | // we'll clear the imageFilter for the actual draws in next(), so |
| 295 | // it will only be applied during the restore(). |
| 296 | fDoClearImageFilter = true; |
| 297 | } |
| 298 | |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 299 | if (SkDrawLooper* looper = paint.getLooper()) { |
| 300 | void* buffer = fLooperContextAllocator.reserveT<SkDrawLooper::Context>( |
| 301 | looper->contextSize()); |
| 302 | fLooperContext = looper->createContext(canvas, buffer); |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 303 | fIsSimple = false; |
| 304 | } else { |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 305 | fLooperContext = NULL; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 306 | // can we be marked as simple? |
| 307 | fIsSimple = !fFilter && !fDoClearImageFilter; |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 308 | } |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 309 | |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 310 | uint32_t oldFlags = paint.getFlags(); |
| 311 | fNewPaintFlags = filter_paint_flags(props, oldFlags); |
| 312 | if (fIsSimple && (fNewPaintFlags != oldFlags)) { |
| 313 | SkPaint* paint = fLazyPaint.set(fOrigPaint); |
| 314 | paint->setFlags(fNewPaintFlags); |
| 315 | fPaint = paint; |
| 316 | // if we're not simple, doNext() will take care of calling setFlags() |
| 317 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 318 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 319 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 320 | ~AutoDrawLooper() { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 321 | if (fDoClearImageFilter) { |
| 322 | fCanvas->internalRestore(); |
| 323 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 324 | SkASSERT(fCanvas->getSaveCount() == fSaveCount); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 325 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 326 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 327 | const SkPaint& paint() const { |
| 328 | SkASSERT(fPaint); |
| 329 | return *fPaint; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 330 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 331 | |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 332 | bool next(SkDrawFilter::Type drawType) { |
| 333 | if (fDone) { |
| 334 | return false; |
| 335 | } else if (fIsSimple) { |
| 336 | fDone = true; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 337 | return !fPaint->nothingToDraw(); |
| 338 | } else { |
| 339 | return this->doNext(drawType); |
| 340 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 341 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 342 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 343 | private: |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 344 | SkLazyPaint fLazyPaint; |
| 345 | SkCanvas* fCanvas; |
| 346 | const SkPaint& fOrigPaint; |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 347 | SkDrawFilter* fFilter; |
| 348 | const SkPaint* fPaint; |
| 349 | int fSaveCount; |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 350 | uint32_t fNewPaintFlags; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 351 | bool fDoClearImageFilter; |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 352 | bool fDone; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 353 | bool fIsSimple; |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 354 | SkDrawLooper::Context* fLooperContext; |
| 355 | SkSmallAllocator<1, 32> fLooperContextAllocator; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 356 | |
| 357 | bool doNext(SkDrawFilter::Type drawType); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 358 | }; |
| 359 | |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 360 | bool AutoDrawLooper::doNext(SkDrawFilter::Type drawType) { |
reed@google.com | 632e1a2 | 2011-10-06 12:37:00 +0000 | [diff] [blame] | 361 | fPaint = NULL; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 362 | SkASSERT(!fIsSimple); |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 363 | SkASSERT(fLooperContext || fFilter || fDoClearImageFilter); |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 364 | |
| 365 | SkPaint* paint = fLazyPaint.set(fOrigPaint); |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 366 | paint->setFlags(fNewPaintFlags); |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 367 | |
| 368 | if (fDoClearImageFilter) { |
| 369 | paint->setImageFilter(NULL); |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 370 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 371 | |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 372 | if (fLooperContext && !fLooperContext->next(fCanvas, paint)) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 373 | fDone = true; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 374 | return false; |
| 375 | } |
| 376 | if (fFilter) { |
reed@google.com | 971aca7 | 2012-11-26 20:26:54 +0000 | [diff] [blame] | 377 | if (!fFilter->filter(paint, drawType)) { |
| 378 | fDone = true; |
| 379 | return false; |
| 380 | } |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 381 | if (NULL == fLooperContext) { |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 382 | // no looper means we only draw once |
| 383 | fDone = true; |
| 384 | } |
| 385 | } |
| 386 | fPaint = paint; |
| 387 | |
| 388 | // if we only came in here for the imagefilter, mark us as done |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 389 | if (!fLooperContext && !fFilter) { |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 390 | fDone = true; |
reed@google.com | 632e1a2 | 2011-10-06 12:37:00 +0000 | [diff] [blame] | 391 | } |
| 392 | |
| 393 | // call this after any possible paint modifiers |
| 394 | if (fPaint->nothingToDraw()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 395 | fPaint = NULL; |
| 396 | return false; |
| 397 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 398 | return true; |
| 399 | } |
| 400 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 401 | ////////// macros to place around the internal draw calls ////////////////// |
| 402 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 403 | #define LOOPER_BEGIN_DRAWDEVICE(paint, type) \ |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 404 | this->predrawNotify(); \ |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 405 | AutoDrawLooper looper(this, fProps, paint, true); \ |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 406 | while (looper.next(type)) { \ |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 407 | SkDrawIter iter(this); |
| 408 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 409 | #define LOOPER_BEGIN(paint, type, bounds) \ |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 410 | this->predrawNotify(); \ |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 411 | AutoDrawLooper looper(this, fProps, paint, false, bounds); \ |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 412 | while (looper.next(type)) { \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 413 | SkDrawIter iter(this); |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 414 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 415 | #define LOOPER_END } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 416 | |
| 417 | //////////////////////////////////////////////////////////////////////////// |
| 418 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 419 | SkBaseDevice* SkCanvas::init(SkBaseDevice* device, InitFlags flags) { |
| 420 | fConservativeRasterClip = SkToBool(flags & kConservativeRasterClip_InitFlag); |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 421 | fCachedLocalClipBounds.setEmpty(); |
| 422 | fCachedLocalClipBoundsDirty = true; |
caryclark@google.com | 8f0a7b8 | 2012-11-07 14:54:49 +0000 | [diff] [blame] | 423 | fAllowSoftClip = true; |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 424 | fAllowSimplifyClip = false; |
reed | f92c866 | 2014-08-18 08:02:43 -0700 | [diff] [blame] | 425 | fDeviceCMDirty = true; |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 426 | fSaveCount = 1; |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 427 | fMetaData = NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 428 | |
| 429 | fMCRec = (MCRec*)fMCStack.push_back(); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 430 | new (fMCRec) MCRec(fConservativeRasterClip); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 431 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 432 | fMCRec->fLayer = SkNEW_ARGS(DeviceCM, (NULL, 0, 0, NULL, NULL, fConservativeRasterClip)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 433 | fMCRec->fTopLayer = fMCRec->fLayer; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 434 | |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 435 | fSurfaceBase = NULL; |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 436 | |
reed | f92c866 | 2014-08-18 08:02:43 -0700 | [diff] [blame] | 437 | if (device) { |
reed | b2db898 | 2014-11-13 12:41:02 -0800 | [diff] [blame] | 438 | device->initForRootLayer(fProps.pixelGeometry()); |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 439 | if (device->forceConservativeRasterClip()) { |
| 440 | fConservativeRasterClip = true; |
| 441 | } |
reed | f92c866 | 2014-08-18 08:02:43 -0700 | [diff] [blame] | 442 | device->onAttachToCanvas(this); |
| 443 | fMCRec->fLayer->fDevice = SkRef(device); |
reed | 78e2768 | 2014-11-19 08:04:34 -0800 | [diff] [blame] | 444 | fMCRec->fRasterClip.setRect(device->getGlobalBounds()); |
reed | f92c866 | 2014-08-18 08:02:43 -0700 | [diff] [blame] | 445 | } |
| 446 | return device; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 447 | } |
| 448 | |
reed@google.com | cde9211 | 2011-07-06 20:00:52 +0000 | [diff] [blame] | 449 | SkCanvas::SkCanvas() |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 450 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 451 | , fProps(SkSurfaceProps::kLegacyFontHost_InitType) |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 452 | { |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 453 | inc_canvas(); |
skia.committer@gmail.com | ba12448 | 2014-02-01 03:01:57 +0000 | [diff] [blame] | 454 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 455 | this->init(NULL, kDefault_InitFlags); |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 456 | } |
| 457 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 458 | static SkBitmap make_nopixels(int width, int height) { |
| 459 | SkBitmap bitmap; |
| 460 | bitmap.setInfo(SkImageInfo::MakeUnknown(width, height)); |
| 461 | return bitmap; |
| 462 | } |
| 463 | |
| 464 | class SkNoPixelsBitmapDevice : public SkBitmapDevice { |
| 465 | public: |
reed | 78e2768 | 2014-11-19 08:04:34 -0800 | [diff] [blame] | 466 | SkNoPixelsBitmapDevice(const SkIRect& bounds) |
| 467 | : INHERITED(make_nopixels(bounds.width(), bounds.height())) |
| 468 | { |
| 469 | this->setOrigin(bounds.x(), bounds.y()); |
| 470 | } |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 471 | |
| 472 | private: |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 473 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 474 | typedef SkBitmapDevice INHERITED; |
| 475 | }; |
| 476 | |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 477 | SkCanvas::SkCanvas(int width, int height) |
| 478 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 479 | , fProps(SkSurfaceProps::kLegacyFontHost_InitType) |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 480 | { |
| 481 | inc_canvas(); |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 482 | |
reed | 78e2768 | 2014-11-19 08:04:34 -0800 | [diff] [blame] | 483 | this->init(SkNEW_ARGS(SkNoPixelsBitmapDevice, |
| 484 | (SkIRect::MakeWH(width, height))), kDefault_InitFlags)->unref(); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 485 | } |
skia.committer@gmail.com | ba12448 | 2014-02-01 03:01:57 +0000 | [diff] [blame] | 486 | |
reed | 78e2768 | 2014-11-19 08:04:34 -0800 | [diff] [blame] | 487 | SkCanvas::SkCanvas(const SkIRect& bounds, InitFlags flags) |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 488 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 489 | , fProps(SkSurfaceProps::kLegacyFontHost_InitType) |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 490 | { |
| 491 | inc_canvas(); |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 492 | |
reed | 78e2768 | 2014-11-19 08:04:34 -0800 | [diff] [blame] | 493 | this->init(SkNEW_ARGS(SkNoPixelsBitmapDevice, (bounds)), flags)->unref(); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 494 | } |
| 495 | |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 496 | SkCanvas::SkCanvas(SkBaseDevice* device, const SkSurfaceProps* props, InitFlags flags) |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 497 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 498 | , fProps(SkSurfacePropsCopyOrDefault(props)) |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 499 | { |
| 500 | inc_canvas(); |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 501 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 502 | this->init(device, flags); |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 503 | } |
| 504 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 505 | SkCanvas::SkCanvas(SkBaseDevice* device) |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 506 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 507 | , fProps(SkSurfaceProps::kLegacyFontHost_InitType) |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 508 | { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 509 | inc_canvas(); |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 510 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 511 | this->init(device, kDefault_InitFlags); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 512 | } |
| 513 | |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 514 | SkCanvas::SkCanvas(const SkBitmap& bitmap, const SkSurfaceProps& props) |
reed | 3716fd0 | 2014-09-21 09:39:55 -0700 | [diff] [blame] | 515 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 516 | , fProps(props) |
reed | 3716fd0 | 2014-09-21 09:39:55 -0700 | [diff] [blame] | 517 | { |
| 518 | inc_canvas(); |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 519 | |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 520 | SkAutoTUnref<SkBaseDevice> device(SkNEW_ARGS(SkBitmapDevice, (bitmap))); |
| 521 | this->init(device, kDefault_InitFlags); |
| 522 | } |
reed | 29c857d | 2014-09-21 10:25:07 -0700 | [diff] [blame] | 523 | |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 524 | SkCanvas::SkCanvas(const SkBitmap& bitmap) |
| 525 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 526 | , fProps(SkSurfaceProps::kLegacyFontHost_InitType) |
| 527 | { |
| 528 | inc_canvas(); |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 529 | |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 530 | SkAutoTUnref<SkBaseDevice> device(SkNEW_ARGS(SkBitmapDevice, (bitmap))); |
| 531 | this->init(device, kDefault_InitFlags); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 532 | } |
| 533 | |
| 534 | SkCanvas::~SkCanvas() { |
| 535 | // free up the contents of our deque |
| 536 | this->restoreToCount(1); // restore everything but the last |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 537 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 538 | this->internalRestore(); // restore the last, since we're going away |
| 539 | |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 540 | SkDELETE(fMetaData); |
vandebo@chromium.org | b70ae31 | 2010-10-15 18:58:19 +0000 | [diff] [blame] | 541 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 542 | dec_canvas(); |
| 543 | } |
| 544 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 545 | SkDrawFilter* SkCanvas::getDrawFilter() const { |
| 546 | return fMCRec->fFilter; |
| 547 | } |
| 548 | |
| 549 | SkDrawFilter* SkCanvas::setDrawFilter(SkDrawFilter* filter) { |
| 550 | SkRefCnt_SafeAssign(fMCRec->fFilter, filter); |
| 551 | return filter; |
| 552 | } |
| 553 | |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 554 | SkMetaData& SkCanvas::getMetaData() { |
| 555 | // metadata users are rare, so we lazily allocate it. If that changes we |
| 556 | // can decide to just make it a field in the device (rather than a ptr) |
| 557 | if (NULL == fMetaData) { |
| 558 | fMetaData = new SkMetaData; |
| 559 | } |
| 560 | return *fMetaData; |
| 561 | } |
| 562 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 563 | /////////////////////////////////////////////////////////////////////////////// |
| 564 | |
junov@chromium.org | bf6c1e4 | 2012-01-30 14:53:22 +0000 | [diff] [blame] | 565 | void SkCanvas::flush() { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 566 | SkBaseDevice* device = this->getDevice(); |
junov@chromium.org | bf6c1e4 | 2012-01-30 14:53:22 +0000 | [diff] [blame] | 567 | if (device) { |
| 568 | device->flush(); |
| 569 | } |
| 570 | } |
| 571 | |
bsalomon@google.com | 4ebe382 | 2014-02-26 20:22:32 +0000 | [diff] [blame] | 572 | SkISize SkCanvas::getTopLayerSize() const { |
| 573 | SkBaseDevice* d = this->getTopDevice(); |
| 574 | return d ? SkISize::Make(d->width(), d->height()) : SkISize::Make(0, 0); |
| 575 | } |
| 576 | |
| 577 | SkIPoint SkCanvas::getTopLayerOrigin() const { |
| 578 | SkBaseDevice* d = this->getTopDevice(); |
| 579 | return d ? d->getOrigin() : SkIPoint::Make(0, 0); |
| 580 | } |
| 581 | |
| 582 | SkISize SkCanvas::getBaseLayerSize() const { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 583 | SkBaseDevice* d = this->getDevice(); |
reed@google.com | 210ce00 | 2011-11-01 14:24:23 +0000 | [diff] [blame] | 584 | return d ? SkISize::Make(d->width(), d->height()) : SkISize::Make(0, 0); |
| 585 | } |
| 586 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 587 | SkBaseDevice* SkCanvas::getDevice() const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 588 | // return root device |
robertphillips@google.com | c029062 | 2012-07-16 21:20:03 +0000 | [diff] [blame] | 589 | MCRec* rec = (MCRec*) fMCStack.front(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 590 | SkASSERT(rec && rec->fLayer); |
| 591 | return rec->fLayer->fDevice; |
| 592 | } |
| 593 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 594 | SkBaseDevice* SkCanvas::getTopDevice(bool updateMatrixClip) const { |
reed@google.com | 0b53d59 | 2012-03-19 18:26:34 +0000 | [diff] [blame] | 595 | if (updateMatrixClip) { |
| 596 | const_cast<SkCanvas*>(this)->updateDeviceCMCache(); |
| 597 | } |
reed@google.com | 9266fed | 2011-03-30 00:18:03 +0000 | [diff] [blame] | 598 | return fMCRec->fTopLayer->fDevice; |
| 599 | } |
| 600 | |
commit-bot@chromium.org | 403f8d7 | 2014-02-17 15:24:26 +0000 | [diff] [blame] | 601 | SkBaseDevice* SkCanvas::setRootDevice(SkBaseDevice* device) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 602 | // return root device |
reed@google.com | 4c09d5c | 2011-02-22 13:16:38 +0000 | [diff] [blame] | 603 | SkDeque::F2BIter iter(fMCStack); |
| 604 | MCRec* rec = (MCRec*)iter.next(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 605 | SkASSERT(rec && rec->fLayer); |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 606 | SkBaseDevice* rootDevice = rec->fLayer->fDevice; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 607 | |
| 608 | if (rootDevice == device) { |
| 609 | return device; |
| 610 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 611 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 612 | if (device) { |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 613 | device->onAttachToCanvas(this); |
reed | b2db898 | 2014-11-13 12:41:02 -0800 | [diff] [blame] | 614 | device->initForRootLayer(fProps.pixelGeometry()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 615 | } |
| 616 | if (rootDevice) { |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 617 | rootDevice->onDetachFromCanvas(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 618 | } |
| 619 | |
| 620 | SkRefCnt_SafeAssign(rec->fLayer->fDevice, device); |
| 621 | rootDevice = device; |
| 622 | |
| 623 | fDeviceCMDirty = true; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 624 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 625 | /* Now we update our initial region to have the bounds of the new device, |
| 626 | and then intersect all of the clips in our stack with these bounds, |
| 627 | to ensure that we can't draw outside of the device's bounds (and trash |
| 628 | memory). |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 629 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 630 | NOTE: this is only a partial-fix, since if the new device is larger than |
| 631 | the previous one, we don't know how to "enlarge" the clips in our stack, |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 632 | so drawing may be artificially restricted. Without keeping a history of |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 633 | all calls to canvas->clipRect() and canvas->clipPath(), we can't exactly |
| 634 | reconstruct the correct clips, so this approximation will have to do. |
| 635 | The caller really needs to restore() back to the base if they want to |
| 636 | accurately take advantage of the new device bounds. |
| 637 | */ |
| 638 | |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 639 | SkIRect bounds; |
| 640 | if (device) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 641 | bounds.set(0, 0, device->width(), device->height()); |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 642 | } else { |
| 643 | bounds.setEmpty(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 644 | } |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 645 | // now jam our 1st clip to be bounds, and intersect the rest with that |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 646 | rec->fRasterClip.setRect(bounds); |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 647 | while ((rec = (MCRec*)iter.next()) != NULL) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 648 | (void)rec->fRasterClip.op(bounds, SkRegion::kIntersect_Op); |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 649 | } |
| 650 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 651 | return device; |
| 652 | } |
| 653 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 654 | bool SkCanvas::readPixels(SkBitmap* bitmap, int x, int y) { |
| 655 | if (kUnknown_SkColorType == bitmap->colorType() || bitmap->getTexture()) { |
| 656 | return false; |
| 657 | } |
| 658 | |
| 659 | bool weAllocated = false; |
| 660 | if (NULL == bitmap->pixelRef()) { |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 661 | if (!bitmap->tryAllocPixels()) { |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 662 | return false; |
| 663 | } |
| 664 | weAllocated = true; |
| 665 | } |
| 666 | |
| 667 | SkBitmap bm(*bitmap); |
| 668 | bm.lockPixels(); |
| 669 | if (bm.getPixels() && this->readPixels(bm.info(), bm.getPixels(), bm.rowBytes(), x, y)) { |
| 670 | return true; |
| 671 | } |
| 672 | |
| 673 | if (weAllocated) { |
| 674 | bitmap->setPixelRef(NULL); |
| 675 | } |
| 676 | return false; |
| 677 | } |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 678 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 679 | bool SkCanvas::readPixels(const SkIRect& srcRect, SkBitmap* bitmap) { |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 680 | SkIRect r = srcRect; |
| 681 | const SkISize size = this->getBaseLayerSize(); |
| 682 | if (!r.intersect(0, 0, size.width(), size.height())) { |
| 683 | bitmap->reset(); |
| 684 | return false; |
| 685 | } |
| 686 | |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 687 | if (!bitmap->tryAllocN32Pixels(r.width(), r.height())) { |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 688 | // bitmap will already be reset. |
| 689 | return false; |
| 690 | } |
| 691 | if (!this->readPixels(bitmap->info(), bitmap->getPixels(), bitmap->rowBytes(), r.x(), r.y())) { |
| 692 | bitmap->reset(); |
| 693 | return false; |
| 694 | } |
| 695 | return true; |
| 696 | } |
| 697 | |
reed | 96472de | 2014-12-10 09:53:42 -0800 | [diff] [blame] | 698 | bool SkCanvas::readPixels(const SkImageInfo& dstInfo, void* dstP, size_t rowBytes, int x, int y) { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 699 | SkBaseDevice* device = this->getDevice(); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 700 | if (!device) { |
| 701 | return false; |
| 702 | } |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 703 | const SkISize size = this->getBaseLayerSize(); |
mtklein | f0f1411 | 2014-12-12 08:46:25 -0800 | [diff] [blame] | 704 | |
reed | 96472de | 2014-12-10 09:53:42 -0800 | [diff] [blame] | 705 | SkReadPixelsRec rec(dstInfo, dstP, rowBytes, x, y); |
| 706 | if (!rec.trim(size.width(), size.height())) { |
bsalomon@google.com | daba14b | 2011-11-02 20:10:48 +0000 | [diff] [blame] | 707 | return false; |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 708 | } |
skia.committer@gmail.com | db0c875 | 2014-03-18 03:02:11 +0000 | [diff] [blame] | 709 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 710 | // The device can assert that the requested area is always contained in its bounds |
reed | 96472de | 2014-12-10 09:53:42 -0800 | [diff] [blame] | 711 | return device->readPixels(rec.fInfo, rec.fPixels, rec.fRowBytes, rec.fX, rec.fY); |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 712 | } |
| 713 | |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 714 | bool SkCanvas::writePixels(const SkBitmap& bitmap, int x, int y) { |
| 715 | if (bitmap.getTexture()) { |
| 716 | return false; |
| 717 | } |
| 718 | SkBitmap bm(bitmap); |
| 719 | bm.lockPixels(); |
| 720 | if (bm.getPixels()) { |
| 721 | return this->writePixels(bm.info(), bm.getPixels(), bm.rowBytes(), x, y); |
| 722 | } |
| 723 | return false; |
| 724 | } |
| 725 | |
| 726 | bool SkCanvas::writePixels(const SkImageInfo& origInfo, const void* pixels, size_t rowBytes, |
| 727 | int x, int y) { |
| 728 | switch (origInfo.colorType()) { |
| 729 | case kUnknown_SkColorType: |
| 730 | case kIndex_8_SkColorType: |
| 731 | return false; |
| 732 | default: |
| 733 | break; |
| 734 | } |
| 735 | if (NULL == pixels || rowBytes < origInfo.minRowBytes()) { |
| 736 | return false; |
| 737 | } |
| 738 | |
| 739 | const SkISize size = this->getBaseLayerSize(); |
| 740 | SkIRect target = SkIRect::MakeXYWH(x, y, origInfo.width(), origInfo.height()); |
| 741 | if (!target.intersect(0, 0, size.width(), size.height())) { |
| 742 | return false; |
| 743 | } |
| 744 | |
| 745 | SkBaseDevice* device = this->getDevice(); |
| 746 | if (!device) { |
| 747 | return false; |
| 748 | } |
| 749 | |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 750 | // the intersect may have shrunk info's logical size |
reed | e5ea500 | 2014-09-03 11:54:58 -0700 | [diff] [blame] | 751 | const SkImageInfo info = origInfo.makeWH(target.width(), target.height()); |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 752 | |
| 753 | // if x or y are negative, then we have to adjust pixels |
| 754 | if (x > 0) { |
| 755 | x = 0; |
| 756 | } |
| 757 | if (y > 0) { |
| 758 | y = 0; |
| 759 | } |
| 760 | // here x,y are either 0 or negative |
| 761 | pixels = ((const char*)pixels - y * rowBytes - x * info.bytesPerPixel()); |
| 762 | |
reed | 4af35f3 | 2014-06-27 17:47:49 -0700 | [diff] [blame] | 763 | // Tell our owning surface to bump its generation ID |
| 764 | this->predrawNotify(); |
| 765 | |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 766 | // The device can assert that the requested area is always contained in its bounds |
commit-bot@chromium.org | 4ef54f8 | 2014-03-17 17:03:18 +0000 | [diff] [blame] | 767 | return device->writePixels(info, pixels, rowBytes, target.x(), target.y()); |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 768 | } |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 769 | |
junov@google.com | 4370aed | 2012-01-18 16:21:08 +0000 | [diff] [blame] | 770 | SkCanvas* SkCanvas::canvasForDrawIter() { |
| 771 | return this; |
| 772 | } |
| 773 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 774 | ////////////////////////////////////////////////////////////////////////////// |
| 775 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 776 | void SkCanvas::updateDeviceCMCache() { |
| 777 | if (fDeviceCMDirty) { |
| 778 | const SkMatrix& totalMatrix = this->getTotalMatrix(); |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 779 | const SkRasterClip& totalClip = fMCRec->fRasterClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 780 | DeviceCM* layer = fMCRec->fTopLayer; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 781 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 782 | if (NULL == layer->fNext) { // only one layer |
reed@google.com | 46799cd | 2011-02-22 20:56:26 +0000 | [diff] [blame] | 783 | layer->updateMC(totalMatrix, totalClip, fClipStack, NULL); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 784 | } else { |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 785 | SkRasterClip clip(totalClip); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 786 | do { |
reed@google.com | 46799cd | 2011-02-22 20:56:26 +0000 | [diff] [blame] | 787 | layer->updateMC(totalMatrix, clip, fClipStack, &clip); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 788 | } while ((layer = layer->fNext) != NULL); |
| 789 | } |
| 790 | fDeviceCMDirty = false; |
| 791 | } |
| 792 | } |
| 793 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 794 | /////////////////////////////////////////////////////////////////////////////// |
| 795 | |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 796 | void SkCanvas::checkForDeferredSave() { |
| 797 | if (fMCRec->fDeferredSaveCount > 0) { |
| 798 | fMCRec->fDeferredSaveCount -= 1; |
| 799 | this->doSave(); |
| 800 | } |
| 801 | } |
| 802 | |
reed | f0090cb | 2014-11-26 08:55:51 -0800 | [diff] [blame] | 803 | int SkCanvas::getSaveCount() const { |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 804 | #ifdef SK_DEBUG |
| 805 | int count = 0; |
| 806 | SkDeque::Iter iter(fMCStack, SkDeque::Iter::kFront_IterStart); |
| 807 | for (;;) { |
| 808 | const MCRec* rec = (const MCRec*)iter.next(); |
| 809 | if (!rec) { |
| 810 | break; |
| 811 | } |
| 812 | count += 1 + rec->fDeferredSaveCount; |
| 813 | } |
| 814 | SkASSERT(count == fSaveCount); |
| 815 | #endif |
| 816 | return fSaveCount; |
reed | f0090cb | 2014-11-26 08:55:51 -0800 | [diff] [blame] | 817 | } |
| 818 | |
| 819 | int SkCanvas::save() { |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 820 | fSaveCount += 1; |
| 821 | fMCRec->fDeferredSaveCount += 1; |
| 822 | return this->getSaveCount() - 1; // return our prev value |
| 823 | } |
| 824 | |
| 825 | void SkCanvas::doSave() { |
reed | f0090cb | 2014-11-26 08:55:51 -0800 | [diff] [blame] | 826 | this->willSave(); |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 827 | this->internalSave(); |
reed | f0090cb | 2014-11-26 08:55:51 -0800 | [diff] [blame] | 828 | } |
| 829 | |
| 830 | void SkCanvas::restore() { |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 831 | if (fMCRec->fDeferredSaveCount > 0) { |
| 832 | SkASSERT(fSaveCount > 1); |
| 833 | fSaveCount -= 1; |
| 834 | fMCRec->fDeferredSaveCount -= 1; |
| 835 | } else { |
| 836 | // check for underflow |
| 837 | if (fMCStack.count() > 1) { |
| 838 | this->willRestore(); |
| 839 | SkASSERT(fSaveCount > 1); |
| 840 | fSaveCount -= 1; |
| 841 | this->internalRestore(); |
| 842 | this->didRestore(); |
| 843 | } |
reed | f0090cb | 2014-11-26 08:55:51 -0800 | [diff] [blame] | 844 | } |
| 845 | } |
| 846 | |
| 847 | void SkCanvas::restoreToCount(int count) { |
| 848 | // sanity check |
| 849 | if (count < 1) { |
| 850 | count = 1; |
| 851 | } |
mtklein | f0f1411 | 2014-12-12 08:46:25 -0800 | [diff] [blame] | 852 | |
reed | f0090cb | 2014-11-26 08:55:51 -0800 | [diff] [blame] | 853 | int n = this->getSaveCount() - count; |
| 854 | for (int i = 0; i < n; ++i) { |
| 855 | this->restore(); |
| 856 | } |
| 857 | } |
| 858 | |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 859 | void SkCanvas::internalSave() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 860 | MCRec* newTop = (MCRec*)fMCStack.push_back(); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 861 | new (newTop) MCRec(*fMCRec); // balanced in restore() |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 862 | fMCRec = newTop; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 863 | |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 864 | fClipStack.save(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 865 | } |
| 866 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 867 | static bool bounds_affects_clip(SkCanvas::SaveFlags flags) { |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 868 | #ifdef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 869 | return (flags & SkCanvas::kClipToLayer_SaveFlag) != 0; |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 870 | #else |
| 871 | return true; |
| 872 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 873 | } |
| 874 | |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 875 | bool SkCanvas::clipRectBounds(const SkRect* bounds, SaveFlags flags, |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 876 | SkIRect* intersection, const SkImageFilter* imageFilter) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 877 | SkIRect clipBounds; |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 878 | SkRegion::Op op = SkRegion::kIntersect_Op; |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 879 | if (!this->getClipDeviceBounds(&clipBounds)) { |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 880 | return false; |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 881 | } |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 882 | |
| 883 | if (imageFilter) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 884 | imageFilter->filterBounds(clipBounds, fMCRec->fMatrix, &clipBounds); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 885 | // Filters may grow the bounds beyond the device bounds. |
| 886 | op = SkRegion::kReplace_Op; |
| 887 | } |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 888 | SkIRect ir; |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 889 | if (bounds) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 890 | SkRect r; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 891 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 892 | this->getTotalMatrix().mapRect(&r, *bounds); |
| 893 | r.roundOut(&ir); |
| 894 | // early exit if the layer's bounds are clipped out |
| 895 | if (!ir.intersect(clipBounds)) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 896 | if (bounds_affects_clip(flags)) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 897 | fMCRec->fRasterClip.setEmpty(); |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 898 | } |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 899 | return false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 900 | } |
| 901 | } else { // no user bounds, so just use the clip |
| 902 | ir = clipBounds; |
| 903 | } |
| 904 | |
senorblanco@chromium.org | 89f077c | 2014-02-24 15:16:42 +0000 | [diff] [blame] | 905 | if (bounds_affects_clip(flags)) { |
| 906 | fClipStack.clipDevRect(ir, op); |
| 907 | // early exit if the clip is now empty |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 908 | if (!fMCRec->fRasterClip.op(ir, op)) { |
senorblanco@chromium.org | 89f077c | 2014-02-24 15:16:42 +0000 | [diff] [blame] | 909 | return false; |
| 910 | } |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 911 | } |
| 912 | |
| 913 | if (intersection) { |
| 914 | *intersection = ir; |
| 915 | } |
| 916 | return true; |
| 917 | } |
| 918 | |
commit-bot@chromium.org | d70fa20 | 2014-04-24 21:51:58 +0000 | [diff] [blame] | 919 | int SkCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint) { |
reed | d990e2f | 2014-12-22 11:58:30 -0800 | [diff] [blame^] | 920 | if (gIgnoreSaveLayerBounds) { |
| 921 | bounds = NULL; |
| 922 | } |
commit-bot@chromium.org | d70fa20 | 2014-04-24 21:51:58 +0000 | [diff] [blame] | 923 | SaveLayerStrategy strategy = this->willSaveLayer(bounds, paint, kARGB_ClipLayer_SaveFlag); |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 924 | fSaveCount += 1; |
| 925 | this->internalSaveLayer(bounds, paint, kARGB_ClipLayer_SaveFlag, false, strategy); |
| 926 | return this->getSaveCount() - 1; |
commit-bot@chromium.org | d70fa20 | 2014-04-24 21:51:58 +0000 | [diff] [blame] | 927 | } |
| 928 | |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 929 | int SkCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint, SaveFlags flags) { |
reed | d990e2f | 2014-12-22 11:58:30 -0800 | [diff] [blame^] | 930 | if (gIgnoreSaveLayerBounds) { |
| 931 | bounds = NULL; |
| 932 | } |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 933 | SaveLayerStrategy strategy = this->willSaveLayer(bounds, paint, flags); |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 934 | fSaveCount += 1; |
| 935 | this->internalSaveLayer(bounds, paint, flags, false, strategy); |
| 936 | return this->getSaveCount() - 1; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 937 | } |
| 938 | |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 939 | void SkCanvas::internalSaveLayer(const SkRect* bounds, const SkPaint* paint, SaveFlags flags, |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 940 | bool justForImageFilter, SaveLayerStrategy strategy) { |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 941 | #ifndef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG |
commit-bot@chromium.org | 2a5cd60 | 2014-05-30 20:41:20 +0000 | [diff] [blame] | 942 | flags |= kClipToLayer_SaveFlag; |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 943 | #endif |
| 944 | |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 945 | // do this before we create the layer. We don't call the public save() since |
| 946 | // that would invoke a possibly overridden virtual |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 947 | this->internalSave(); |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 948 | |
| 949 | fDeviceCMDirty = true; |
| 950 | |
| 951 | SkIRect ir; |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 952 | if (!this->clipRectBounds(bounds, flags, &ir, paint ? paint->getImageFilter() : NULL)) { |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 953 | return; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 954 | } |
| 955 | |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 956 | // FIXME: do willSaveLayer() overriders returning kNoLayer_SaveLayerStrategy really care about |
| 957 | // the clipRectBounds() call above? |
| 958 | if (kNoLayer_SaveLayerStrategy == strategy) { |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 959 | return; |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 960 | } |
| 961 | |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 962 | // Kill the imagefilter if our device doesn't allow it |
| 963 | SkLazyPaint lazyP; |
| 964 | if (paint && paint->getImageFilter()) { |
| 965 | if (!this->getTopDevice()->allowImageFilter(paint->getImageFilter())) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 966 | if (justForImageFilter) { |
| 967 | // early exit if the layer was just for the imageFilter |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 968 | return; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 969 | } |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 970 | SkPaint* p = lazyP.set(*paint); |
| 971 | p->setImageFilter(NULL); |
| 972 | paint = p; |
| 973 | } |
| 974 | } |
| 975 | |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 976 | bool isOpaque = !SkToBool(flags & kHasAlphaLayer_SaveFlag); |
| 977 | SkImageInfo info = SkImageInfo::MakeN32(ir.width(), ir.height(), |
| 978 | isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 979 | |
reed | b2db898 | 2014-11-13 12:41:02 -0800 | [diff] [blame] | 980 | SkBaseDevice* device = this->getTopDevice(); |
| 981 | if (NULL == device) { |
| 982 | SkDebugf("Unable to find device for layer."); |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 983 | return; |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 984 | } |
reed | b2db898 | 2014-11-13 12:41:02 -0800 | [diff] [blame] | 985 | |
| 986 | SkBaseDevice::Usage usage = SkBaseDevice::kSaveLayer_Usage; |
| 987 | if (paint && paint->getImageFilter()) { |
| 988 | usage = SkBaseDevice::kImageFilter_Usage; |
| 989 | } |
| 990 | device = device->onCreateCompatibleDevice(SkBaseDevice::CreateInfo(info, usage, |
| 991 | fProps.pixelGeometry())); |
bungeman@google.com | e25c684 | 2011-08-17 14:53:54 +0000 | [diff] [blame] | 992 | if (NULL == device) { |
| 993 | SkDebugf("Unable to create device for layer."); |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 994 | return; |
bungeman@google.com | e25c684 | 2011-08-17 14:53:54 +0000 | [diff] [blame] | 995 | } |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 996 | |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 997 | device->setOrigin(ir.fLeft, ir.fTop); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 998 | DeviceCM* layer = SkNEW_ARGS(DeviceCM, |
| 999 | (device, ir.fLeft, ir.fTop, paint, this, fConservativeRasterClip)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1000 | device->unref(); |
| 1001 | |
| 1002 | layer->fNext = fMCRec->fTopLayer; |
| 1003 | fMCRec->fLayer = layer; |
| 1004 | fMCRec->fTopLayer = layer; // this field is NOT an owner of layer |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1005 | } |
| 1006 | |
commit-bot@chromium.org | d70fa20 | 2014-04-24 21:51:58 +0000 | [diff] [blame] | 1007 | int SkCanvas::saveLayerAlpha(const SkRect* bounds, U8CPU alpha) { |
| 1008 | return this->saveLayerAlpha(bounds, alpha, kARGB_ClipLayer_SaveFlag); |
| 1009 | } |
| 1010 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1011 | int SkCanvas::saveLayerAlpha(const SkRect* bounds, U8CPU alpha, |
| 1012 | SaveFlags flags) { |
| 1013 | if (0xFF == alpha) { |
| 1014 | return this->saveLayer(bounds, NULL, flags); |
| 1015 | } else { |
| 1016 | SkPaint tmpPaint; |
| 1017 | tmpPaint.setAlpha(alpha); |
| 1018 | return this->saveLayer(bounds, &tmpPaint, flags); |
| 1019 | } |
| 1020 | } |
| 1021 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1022 | void SkCanvas::internalRestore() { |
| 1023 | SkASSERT(fMCStack.count() != 0); |
| 1024 | |
| 1025 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1026 | fCachedLocalClipBoundsDirty = true; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1027 | |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 1028 | fClipStack.restore(); |
commit-bot@chromium.org | 6c15764 | 2013-08-16 00:53:34 +0000 | [diff] [blame] | 1029 | |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 1030 | // reserve our layer (if any) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1031 | DeviceCM* layer = fMCRec->fLayer; // may be null |
| 1032 | // now detach it from fMCRec so we can pop(). Gets freed after its drawn |
| 1033 | fMCRec->fLayer = NULL; |
| 1034 | |
| 1035 | // now do the normal restore() |
| 1036 | fMCRec->~MCRec(); // balanced in save() |
| 1037 | fMCStack.pop_back(); |
| 1038 | fMCRec = (MCRec*)fMCStack.back(); |
| 1039 | |
| 1040 | /* Time to draw the layer's offscreen. We can't call the public drawSprite, |
| 1041 | since if we're being recorded, we don't want to record this (the |
| 1042 | recorder will have already recorded the restore). |
| 1043 | */ |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 1044 | if (layer) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1045 | if (layer->fNext) { |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 1046 | const SkIPoint& origin = layer->fDevice->getOrigin(); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1047 | this->internalDrawDevice(layer->fDevice, origin.x(), origin.y(), |
| 1048 | layer->fPaint); |
| 1049 | // reset this, since internalDrawDevice will have set it to true |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1050 | fDeviceCMDirty = true; |
| 1051 | } |
| 1052 | SkDELETE(layer); |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 1053 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1054 | } |
| 1055 | |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 1056 | SkSurface* SkCanvas::newSurface(const SkImageInfo& info, const SkSurfaceProps* props) { |
| 1057 | if (NULL == props) { |
| 1058 | props = &fProps; |
| 1059 | } |
| 1060 | return this->onNewSurface(info, *props); |
reed@google.com | 76f10a3 | 2014-02-05 15:32:21 +0000 | [diff] [blame] | 1061 | } |
| 1062 | |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 1063 | SkSurface* SkCanvas::onNewSurface(const SkImageInfo& info, const SkSurfaceProps& props) { |
reed@google.com | 76f10a3 | 2014-02-05 15:32:21 +0000 | [diff] [blame] | 1064 | SkBaseDevice* dev = this->getDevice(); |
reed | 4a8126e | 2014-09-22 07:29:03 -0700 | [diff] [blame] | 1065 | return dev ? dev->newSurface(info, props) : NULL; |
reed@google.com | 76f10a3 | 2014-02-05 15:32:21 +0000 | [diff] [blame] | 1066 | } |
| 1067 | |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1068 | SkImageInfo SkCanvas::imageInfo() const { |
| 1069 | SkBaseDevice* dev = this->getDevice(); |
| 1070 | if (dev) { |
| 1071 | return dev->imageInfo(); |
| 1072 | } else { |
reed@google.com | 900ecf2 | 2014-02-20 20:55:37 +0000 | [diff] [blame] | 1073 | return SkImageInfo::MakeUnknown(0, 0); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1074 | } |
| 1075 | } |
| 1076 | |
| 1077 | const void* SkCanvas::peekPixels(SkImageInfo* info, size_t* rowBytes) { |
| 1078 | return this->onPeekPixels(info, rowBytes); |
| 1079 | } |
| 1080 | |
| 1081 | const void* SkCanvas::onPeekPixels(SkImageInfo* info, size_t* rowBytes) { |
| 1082 | SkBaseDevice* dev = this->getDevice(); |
| 1083 | return dev ? dev->peekPixels(info, rowBytes) : NULL; |
| 1084 | } |
| 1085 | |
commit-bot@chromium.org | 6b4aaa7 | 2014-04-21 21:09:38 +0000 | [diff] [blame] | 1086 | void* SkCanvas::accessTopLayerPixels(SkImageInfo* info, size_t* rowBytes, SkIPoint* origin) { |
| 1087 | void* pixels = this->onAccessTopLayerPixels(info, rowBytes); |
| 1088 | if (pixels && origin) { |
| 1089 | *origin = this->getTopDevice(false)->getOrigin(); |
| 1090 | } |
| 1091 | return pixels; |
reed@google.com | 9c135db | 2014-03-12 18:28:35 +0000 | [diff] [blame] | 1092 | } |
| 1093 | |
| 1094 | void* SkCanvas::onAccessTopLayerPixels(SkImageInfo* info, size_t* rowBytes) { |
| 1095 | SkBaseDevice* dev = this->getTopDevice(); |
| 1096 | return dev ? dev->accessPixels(info, rowBytes) : NULL; |
| 1097 | } |
| 1098 | |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1099 | SkAutoROCanvasPixels::SkAutoROCanvasPixels(SkCanvas* canvas) { |
| 1100 | fAddr = canvas->peekPixels(&fInfo, &fRowBytes); |
| 1101 | if (NULL == fAddr) { |
| 1102 | fInfo = canvas->imageInfo(); |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 1103 | if (kUnknown_SkColorType == fInfo.colorType() || !fBitmap.tryAllocPixels(fInfo)) { |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1104 | return; // failure, fAddr is NULL |
| 1105 | } |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1106 | if (!canvas->readPixels(&fBitmap, 0, 0)) { |
| 1107 | return; // failure, fAddr is NULL |
| 1108 | } |
| 1109 | fAddr = fBitmap.getPixels(); |
| 1110 | fRowBytes = fBitmap.rowBytes(); |
| 1111 | } |
| 1112 | SkASSERT(fAddr); // success |
| 1113 | } |
| 1114 | |
| 1115 | bool SkAutoROCanvasPixels::asROBitmap(SkBitmap* bitmap) const { |
| 1116 | if (fAddr) { |
commit-bot@chromium.org | 00f8d6c | 2014-05-29 15:57:20 +0000 | [diff] [blame] | 1117 | return bitmap->installPixels(fInfo, const_cast<void*>(fAddr), fRowBytes); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1118 | } else { |
| 1119 | bitmap->reset(); |
| 1120 | return false; |
| 1121 | } |
| 1122 | } |
| 1123 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1124 | ///////////////////////////////////////////////////////////////////////////// |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1125 | void SkCanvas::internalDrawBitmap(const SkBitmap& bitmap, |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1126 | const SkMatrix& matrix, const SkPaint* paint) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1127 | if (bitmap.drawsNothing()) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1128 | return; |
| 1129 | } |
| 1130 | |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 1131 | SkLazyPaint lazy; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1132 | if (NULL == paint) { |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 1133 | paint = lazy.init(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1134 | } |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1135 | |
| 1136 | SkDEBUGCODE(bitmap.validate();) |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1137 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1138 | SkRect storage; |
| 1139 | const SkRect* bounds = NULL; |
| 1140 | if (paint && paint->canComputeFastBounds()) { |
| 1141 | bitmap.getBounds(&storage); |
| 1142 | matrix.mapRect(&storage); |
| 1143 | bounds = &paint->computeFastBounds(storage, &storage); |
| 1144 | } |
| 1145 | |
| 1146 | LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, bounds) |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1147 | |
| 1148 | while (iter.next()) { |
| 1149 | iter.fDevice->drawBitmap(iter, bitmap, matrix, looper.paint()); |
| 1150 | } |
| 1151 | |
| 1152 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1153 | } |
| 1154 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1155 | void SkCanvas::internalDrawDevice(SkBaseDevice* srcDev, int x, int y, |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1156 | const SkPaint* paint) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1157 | SkPaint tmp; |
| 1158 | if (NULL == paint) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1159 | paint = &tmp; |
| 1160 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1161 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1162 | LOOPER_BEGIN_DRAWDEVICE(*paint, SkDrawFilter::kBitmap_Type) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1163 | while (iter.next()) { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1164 | SkBaseDevice* dstDev = iter.fDevice; |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1165 | paint = &looper.paint(); |
| 1166 | SkImageFilter* filter = paint->getImageFilter(); |
| 1167 | SkIPoint pos = { x - iter.getX(), y - iter.getY() }; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1168 | if (filter && !dstDev->canHandleImageFilter(filter)) { |
fmalita | 2d97bc1 | 2014-11-20 10:44:58 -0800 | [diff] [blame] | 1169 | SkDeviceImageFilterProxy proxy(dstDev, fProps); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1170 | SkBitmap dst; |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1171 | SkIPoint offset = SkIPoint::Make(0, 0); |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 1172 | const SkBitmap& src = srcDev->accessBitmap(false); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1173 | SkMatrix matrix = *iter.fMatrix; |
senorblanco@chromium.org | d5424a4 | 2014-04-02 19:20:05 +0000 | [diff] [blame] | 1174 | matrix.postTranslate(SkIntToScalar(-pos.x()), SkIntToScalar(-pos.y())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1175 | SkIRect clipBounds = SkIRect::MakeWH(srcDev->width(), srcDev->height()); |
senorblanco | be129b2 | 2014-08-08 07:14:35 -0700 | [diff] [blame] | 1176 | SkAutoTUnref<SkImageFilter::Cache> cache(dstDev->getImageFilterCache()); |
senorblanco | 55b6d8b | 2014-07-30 11:26:46 -0700 | [diff] [blame] | 1177 | SkImageFilter::Context ctx(matrix, clipBounds, cache.get()); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1178 | if (filter->filterImage(&proxy, src, ctx, &dst, &offset)) { |
tomhudson@google.com | 5efe0cb | 2012-04-10 19:14:48 +0000 | [diff] [blame] | 1179 | SkPaint tmpUnfiltered(*paint); |
| 1180 | tmpUnfiltered.setImageFilter(NULL); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1181 | dstDev->drawSprite(iter, dst, pos.x() + offset.x(), pos.y() + offset.y(), |
| 1182 | tmpUnfiltered); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1183 | } |
| 1184 | } else { |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 1185 | dstDev->drawDevice(iter, srcDev, pos.x(), pos.y(), *paint); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1186 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1187 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1188 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1189 | } |
| 1190 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1191 | void SkCanvas::drawSprite(const SkBitmap& bitmap, int x, int y, |
| 1192 | const SkPaint* paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1193 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawSprite()"); |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1194 | if (bitmap.drawsNothing()) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1195 | return; |
| 1196 | } |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1197 | SkDEBUGCODE(bitmap.validate();) |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1198 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1199 | SkPaint tmp; |
| 1200 | if (NULL == paint) { |
| 1201 | paint = &tmp; |
| 1202 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1203 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1204 | LOOPER_BEGIN_DRAWDEVICE(*paint, SkDrawFilter::kBitmap_Type) |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1205 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1206 | while (iter.next()) { |
| 1207 | paint = &looper.paint(); |
| 1208 | SkImageFilter* filter = paint->getImageFilter(); |
| 1209 | SkIPoint pos = { x - iter.getX(), y - iter.getY() }; |
| 1210 | if (filter && !iter.fDevice->canHandleImageFilter(filter)) { |
fmalita | 2d97bc1 | 2014-11-20 10:44:58 -0800 | [diff] [blame] | 1211 | SkDeviceImageFilterProxy proxy(iter.fDevice, fProps); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1212 | SkBitmap dst; |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1213 | SkIPoint offset = SkIPoint::Make(0, 0); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1214 | SkMatrix matrix = *iter.fMatrix; |
senorblanco@chromium.org | d5424a4 | 2014-04-02 19:20:05 +0000 | [diff] [blame] | 1215 | matrix.postTranslate(SkIntToScalar(-pos.x()), SkIntToScalar(-pos.y())); |
halcanary | f622a6c | 2014-10-24 12:54:53 -0700 | [diff] [blame] | 1216 | const SkIRect clipBounds = bitmap.bounds(); |
senorblanco | be129b2 | 2014-08-08 07:14:35 -0700 | [diff] [blame] | 1217 | SkAutoTUnref<SkImageFilter::Cache> cache(iter.fDevice->getImageFilterCache()); |
senorblanco | 55b6d8b | 2014-07-30 11:26:46 -0700 | [diff] [blame] | 1218 | SkImageFilter::Context ctx(matrix, clipBounds, cache.get()); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1219 | if (filter->filterImage(&proxy, bitmap, ctx, &dst, &offset)) { |
tomhudson@google.com | 5efe0cb | 2012-04-10 19:14:48 +0000 | [diff] [blame] | 1220 | SkPaint tmpUnfiltered(*paint); |
| 1221 | tmpUnfiltered.setImageFilter(NULL); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1222 | iter.fDevice->drawSprite(iter, dst, pos.x() + offset.x(), pos.y() + offset.y(), |
tomhudson@google.com | 5efe0cb | 2012-04-10 19:14:48 +0000 | [diff] [blame] | 1223 | tmpUnfiltered); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1224 | } |
| 1225 | } else { |
| 1226 | iter.fDevice->drawSprite(iter, bitmap, pos.x(), pos.y(), *paint); |
| 1227 | } |
| 1228 | } |
| 1229 | LOOPER_END |
| 1230 | } |
| 1231 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1232 | ///////////////////////////////////////////////////////////////////////////// |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1233 | void SkCanvas::translate(SkScalar dx, SkScalar dy) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1234 | SkMatrix m; |
| 1235 | m.setTranslate(dx, dy); |
| 1236 | this->concat(m); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1237 | } |
| 1238 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1239 | void SkCanvas::scale(SkScalar sx, SkScalar sy) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1240 | SkMatrix m; |
| 1241 | m.setScale(sx, sy); |
| 1242 | this->concat(m); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1243 | } |
| 1244 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1245 | void SkCanvas::rotate(SkScalar degrees) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1246 | SkMatrix m; |
| 1247 | m.setRotate(degrees); |
| 1248 | this->concat(m); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1249 | } |
| 1250 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1251 | void SkCanvas::skew(SkScalar sx, SkScalar sy) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1252 | SkMatrix m; |
| 1253 | m.setSkew(sx, sy); |
| 1254 | this->concat(m); |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1255 | } |
| 1256 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1257 | void SkCanvas::concat(const SkMatrix& matrix) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1258 | if (matrix.isIdentity()) { |
| 1259 | return; |
| 1260 | } |
| 1261 | |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 1262 | this->checkForDeferredSave(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1263 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1264 | fCachedLocalClipBoundsDirty = true; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1265 | fMCRec->fMatrix.preConcat(matrix); |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1266 | |
| 1267 | this->didConcat(matrix); |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1268 | } |
| 1269 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1270 | void SkCanvas::setMatrix(const SkMatrix& matrix) { |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 1271 | this->checkForDeferredSave(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1272 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1273 | fCachedLocalClipBoundsDirty = true; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1274 | fMCRec->fMatrix = matrix; |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1275 | this->didSetMatrix(matrix); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1276 | } |
| 1277 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1278 | void SkCanvas::resetMatrix() { |
| 1279 | SkMatrix matrix; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1280 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1281 | matrix.reset(); |
| 1282 | this->setMatrix(matrix); |
| 1283 | } |
| 1284 | |
| 1285 | ////////////////////////////////////////////////////////////////////////////// |
| 1286 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1287 | void SkCanvas::clipRect(const SkRect& rect, SkRegion::Op op, bool doAA) { |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 1288 | this->checkForDeferredSave(); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1289 | ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle; |
| 1290 | this->onClipRect(rect, op, edgeStyle); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1291 | } |
| 1292 | |
| 1293 | void SkCanvas::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1294 | #ifdef SK_ENABLE_CLIP_QUICKREJECT |
| 1295 | if (SkRegion::kIntersect_Op == op) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1296 | if (fMCRec->fRasterClip.isEmpty()) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1297 | return false; |
| 1298 | } |
| 1299 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1300 | if (this->quickReject(rect)) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1301 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1302 | fCachedLocalClipBoundsDirty = true; |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1303 | |
| 1304 | fClipStack.clipEmpty(); |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1305 | return fMCRec->fRasterClip.setEmpty(); |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1306 | } |
| 1307 | } |
| 1308 | #endif |
| 1309 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1310 | AutoValidateClip avc(this); |
| 1311 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1312 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1313 | fCachedLocalClipBoundsDirty = true; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1314 | if (!fAllowSoftClip) { |
| 1315 | edgeStyle = kHard_ClipEdgeStyle; |
| 1316 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1317 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1318 | if (fMCRec->fMatrix.rectStaysRect()) { |
robertphillips@google.com | 1236719 | 2013-10-20 13:11:16 +0000 | [diff] [blame] | 1319 | // for these simpler matrices, we can stay a rect even after applying |
reed@android.com | 98de2bd | 2009-03-02 19:41:36 +0000 | [diff] [blame] | 1320 | // the matrix. This means we don't have to a) make a path, and b) tell |
| 1321 | // the region code to scan-convert the path, only to discover that it |
| 1322 | // is really just a rect. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1323 | SkRect r; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1324 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1325 | fMCRec->fMatrix.mapRect(&r, rect); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1326 | fClipStack.clipDevRect(r, op, kSoft_ClipEdgeStyle == edgeStyle); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 1327 | fMCRec->fRasterClip.op(r, this->getBaseLayerSize(), op, kSoft_ClipEdgeStyle == edgeStyle); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1328 | } else { |
robertphillips@google.com | 1236719 | 2013-10-20 13:11:16 +0000 | [diff] [blame] | 1329 | // since we're rotated or some such thing, we convert the rect to a path |
reed@android.com | 98de2bd | 2009-03-02 19:41:36 +0000 | [diff] [blame] | 1330 | // and clip against that, since it can handle any matrix. However, to |
| 1331 | // avoid recursion in the case where we are subclassed (e.g. Pictures) |
| 1332 | // we explicitly call "our" version of clipPath. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1333 | SkPath path; |
| 1334 | |
| 1335 | path.addRect(rect); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1336 | this->SkCanvas::onClipPath(path, op, edgeStyle); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1337 | } |
| 1338 | } |
| 1339 | |
reed | 73e714e | 2014-09-04 09:02:23 -0700 | [diff] [blame] | 1340 | static void rasterclip_path(SkRasterClip* rc, const SkCanvas* canvas, const SkPath& devPath, |
| 1341 | SkRegion::Op op, bool doAA) { |
reed | d64c948 | 2014-09-05 17:37:38 -0700 | [diff] [blame] | 1342 | rc->op(devPath, canvas->getBaseLayerSize(), op, doAA); |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1343 | } |
| 1344 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1345 | void SkCanvas::clipRRect(const SkRRect& rrect, SkRegion::Op op, bool doAA) { |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 1346 | this->checkForDeferredSave(); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1347 | ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1348 | if (rrect.isRect()) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1349 | this->onClipRect(rrect.getBounds(), op, edgeStyle); |
| 1350 | } else { |
| 1351 | this->onClipRRect(rrect, op, edgeStyle); |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1352 | } |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1353 | } |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1354 | |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1355 | void SkCanvas::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1356 | SkRRect transformedRRect; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1357 | if (rrect.transform(fMCRec->fMatrix, &transformedRRect)) { |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1358 | AutoValidateClip avc(this); |
| 1359 | |
| 1360 | fDeviceCMDirty = true; |
| 1361 | fCachedLocalClipBoundsDirty = true; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1362 | if (!fAllowSoftClip) { |
| 1363 | edgeStyle = kHard_ClipEdgeStyle; |
| 1364 | } |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1365 | |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1366 | fClipStack.clipDevRRect(transformedRRect, op, kSoft_ClipEdgeStyle == edgeStyle); |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1367 | |
| 1368 | SkPath devPath; |
| 1369 | devPath.addRRect(transformedRRect); |
| 1370 | |
reed | 73e714e | 2014-09-04 09:02:23 -0700 | [diff] [blame] | 1371 | rasterclip_path(&fMCRec->fRasterClip, this, devPath, op, kSoft_ClipEdgeStyle == edgeStyle); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1372 | return; |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1373 | } |
| 1374 | |
| 1375 | SkPath path; |
| 1376 | path.addRRect(rrect); |
| 1377 | // call the non-virtual version |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1378 | this->SkCanvas::onClipPath(path, op, edgeStyle); |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1379 | } |
| 1380 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1381 | void SkCanvas::clipPath(const SkPath& path, SkRegion::Op op, bool doAA) { |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 1382 | this->checkForDeferredSave(); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1383 | ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle; |
| 1384 | SkRect r; |
| 1385 | if (!path.isInverseFillType() && path.isRect(&r)) { |
| 1386 | this->onClipRect(r, op, edgeStyle); |
| 1387 | } else { |
| 1388 | this->onClipPath(path, op, edgeStyle); |
| 1389 | } |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1390 | } |
| 1391 | |
| 1392 | void SkCanvas::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1393 | #ifdef SK_ENABLE_CLIP_QUICKREJECT |
| 1394 | if (SkRegion::kIntersect_Op == op && !path.isInverseFillType()) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1395 | if (fMCRec->fRasterClip.isEmpty()) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1396 | return false; |
| 1397 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1398 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1399 | if (this->quickReject(path.getBounds())) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1400 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1401 | fCachedLocalClipBoundsDirty = true; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1402 | |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1403 | fClipStack.clipEmpty(); |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1404 | return fMCRec->fRasterClip.setEmpty(); |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1405 | } |
| 1406 | } |
| 1407 | #endif |
| 1408 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1409 | AutoValidateClip avc(this); |
| 1410 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1411 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1412 | fCachedLocalClipBoundsDirty = true; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1413 | if (!fAllowSoftClip) { |
| 1414 | edgeStyle = kHard_ClipEdgeStyle; |
| 1415 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1416 | |
| 1417 | SkPath devPath; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1418 | path.transform(fMCRec->fMatrix, &devPath); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1419 | |
reed@google.com | fe70112 | 2011-11-08 19:41:23 +0000 | [diff] [blame] | 1420 | // Check if the transfomation, or the original path itself |
| 1421 | // made us empty. Note this can also happen if we contained NaN |
| 1422 | // values. computing the bounds detects this, and will set our |
| 1423 | // bounds to empty if that is the case. (see SkRect::set(pts, count)) |
| 1424 | if (devPath.getBounds().isEmpty()) { |
| 1425 | // resetting the path will remove any NaN or other wanky values |
| 1426 | // that might upset our scan converter. |
| 1427 | devPath.reset(); |
| 1428 | } |
| 1429 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1430 | // if we called path.swap() we could avoid a deep copy of this path |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1431 | fClipStack.clipDevPath(devPath, op, kSoft_ClipEdgeStyle == edgeStyle); |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1432 | |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1433 | if (fAllowSimplifyClip) { |
| 1434 | devPath.reset(); |
| 1435 | devPath.setFillType(SkPath::kInverseEvenOdd_FillType); |
| 1436 | const SkClipStack* clipStack = getClipStack(); |
| 1437 | SkClipStack::Iter iter(*clipStack, SkClipStack::Iter::kBottom_IterStart); |
| 1438 | const SkClipStack::Element* element; |
| 1439 | while ((element = iter.next())) { |
| 1440 | SkClipStack::Element::Type type = element->getType(); |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1441 | SkPath operand; |
commit-bot@chromium.org | 2a67e12 | 2014-05-19 13:53:10 +0000 | [diff] [blame] | 1442 | if (type != SkClipStack::Element::kEmpty_Type) { |
| 1443 | element->asPath(&operand); |
| 1444 | } |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1445 | SkRegion::Op elementOp = element->getOp(); |
| 1446 | if (elementOp == SkRegion::kReplace_Op) { |
| 1447 | devPath = operand; |
| 1448 | } else { |
| 1449 | Op(devPath, operand, (SkPathOp) elementOp, &devPath); |
| 1450 | } |
caryclark@google.com | 96fd344 | 2013-05-07 19:48:31 +0000 | [diff] [blame] | 1451 | // if the prev and curr clips disagree about aa -vs- not, favor the aa request. |
| 1452 | // perhaps we need an API change to avoid this sort of mixed-signals about |
| 1453 | // clipping. |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1454 | if (element->isAA()) { |
| 1455 | edgeStyle = kSoft_ClipEdgeStyle; |
| 1456 | } |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1457 | } |
| 1458 | op = SkRegion::kReplace_Op; |
| 1459 | } |
| 1460 | |
reed | 73e714e | 2014-09-04 09:02:23 -0700 | [diff] [blame] | 1461 | rasterclip_path(&fMCRec->fRasterClip, this, devPath, op, edgeStyle); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1462 | } |
| 1463 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1464 | void SkCanvas::clipRegion(const SkRegion& rgn, SkRegion::Op op) { |
reed | 2ff1fce | 2014-12-11 07:07:37 -0800 | [diff] [blame] | 1465 | this->checkForDeferredSave(); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1466 | this->onClipRegion(rgn, op); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1467 | } |
| 1468 | |
| 1469 | void SkCanvas::onClipRegion(const SkRegion& rgn, SkRegion::Op op) { |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1470 | AutoValidateClip avc(this); |
| 1471 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1472 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1473 | fCachedLocalClipBoundsDirty = true; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1474 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1475 | // todo: signal fClipStack that we have a region, and therefore (I guess) |
| 1476 | // we have to ignore it, and use the region directly? |
reed@google.com | 115d931 | 2012-05-16 18:50:40 +0000 | [diff] [blame] | 1477 | fClipStack.clipDevRect(rgn.getBounds(), op); |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1478 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1479 | fMCRec->fRasterClip.op(rgn, op); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1480 | } |
| 1481 | |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1482 | #ifdef SK_DEBUG |
| 1483 | void SkCanvas::validateClip() const { |
| 1484 | // construct clipRgn from the clipstack |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1485 | const SkBaseDevice* device = this->getDevice(); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 1486 | if (!device) { |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1487 | SkASSERT(this->isClipEmpty()); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 1488 | return; |
| 1489 | } |
| 1490 | |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1491 | SkIRect ir; |
| 1492 | ir.set(0, 0, device->width(), device->height()); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame] | 1493 | SkRasterClip tmpClip(ir, fConservativeRasterClip); |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1494 | |
robertphillips@google.com | 80214e2 | 2012-07-20 15:33:18 +0000 | [diff] [blame] | 1495 | SkClipStack::B2TIter iter(fClipStack); |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1496 | const SkClipStack::Element* element; |
| 1497 | while ((element = iter.next()) != NULL) { |
| 1498 | switch (element->getType()) { |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1499 | case SkClipStack::Element::kRect_Type: |
| 1500 | element->getRect().round(&ir); |
| 1501 | tmpClip.op(ir, element->getOp()); |
| 1502 | break; |
| 1503 | case SkClipStack::Element::kEmpty_Type: |
| 1504 | tmpClip.setEmpty(); |
| 1505 | break; |
commit-bot@chromium.org | 9cb671a | 2014-02-16 14:45:45 +0000 | [diff] [blame] | 1506 | default: { |
| 1507 | SkPath path; |
| 1508 | element->asPath(&path); |
reed | 73e714e | 2014-09-04 09:02:23 -0700 | [diff] [blame] | 1509 | rasterclip_path(&tmpClip, this, path, element->getOp(), element->isAA()); |
commit-bot@chromium.org | 9cb671a | 2014-02-16 14:45:45 +0000 | [diff] [blame] | 1510 | break; |
| 1511 | } |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1512 | } |
| 1513 | } |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1514 | } |
| 1515 | #endif |
| 1516 | |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 1517 | void SkCanvas::replayClips(ClipVisitor* visitor) const { |
robertphillips@google.com | 80214e2 | 2012-07-20 15:33:18 +0000 | [diff] [blame] | 1518 | SkClipStack::B2TIter iter(fClipStack); |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1519 | const SkClipStack::Element* element; |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 1520 | |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1521 | while ((element = iter.next()) != NULL) { |
fmalita | c3b589a | 2014-06-05 12:40:07 -0700 | [diff] [blame] | 1522 | element->replay(visitor); |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 1523 | } |
| 1524 | } |
| 1525 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1526 | /////////////////////////////////////////////////////////////////////////////// |
| 1527 | |
reed@google.com | 754de5f | 2014-02-24 19:38:20 +0000 | [diff] [blame] | 1528 | bool SkCanvas::isClipEmpty() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1529 | return fMCRec->fRasterClip.isEmpty(); |
reed@google.com | 754de5f | 2014-02-24 19:38:20 +0000 | [diff] [blame] | 1530 | } |
| 1531 | |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1532 | bool SkCanvas::isClipRect() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1533 | return fMCRec->fRasterClip.isRect(); |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1534 | } |
| 1535 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1536 | bool SkCanvas::quickReject(const SkRect& rect) const { |
reed@google.com | 1607863 | 2011-12-06 18:56:37 +0000 | [diff] [blame] | 1537 | if (!rect.isFinite()) |
wjmaclean@chromium.org | 116b2bc | 2011-02-07 17:48:37 +0000 | [diff] [blame] | 1538 | return true; |
| 1539 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1540 | if (fMCRec->fRasterClip.isEmpty()) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1541 | return true; |
| 1542 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1543 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1544 | if (fMCRec->fMatrix.hasPerspective()) { |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1545 | SkRect dst; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1546 | fMCRec->fMatrix.mapRect(&dst, rect); |
reed | b07a94f | 2014-11-19 05:03:18 -0800 | [diff] [blame] | 1547 | return !SkIRect::Intersects(dst.roundOut(), fMCRec->fRasterClip.getBounds()); |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1548 | } else { |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1549 | const SkRect& clipR = this->getLocalClipBounds(); |
reed@android.com | d252db0 | 2009-04-01 18:31:44 +0000 | [diff] [blame] | 1550 | |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1551 | // for speed, do the most likely reject compares first |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1552 | // TODO: should we use | instead, or compare all 4 at once? |
| 1553 | if (rect.fTop >= clipR.fBottom || rect.fBottom <= clipR.fTop) { |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1554 | return true; |
| 1555 | } |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1556 | if (rect.fLeft >= clipR.fRight || rect.fRight <= clipR.fLeft) { |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1557 | return true; |
| 1558 | } |
| 1559 | return false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1560 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1561 | } |
| 1562 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1563 | bool SkCanvas::quickReject(const SkPath& path) const { |
| 1564 | return path.isEmpty() || this->quickReject(path.getBounds()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1565 | } |
| 1566 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1567 | bool SkCanvas::getClipBounds(SkRect* bounds) const { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1568 | SkIRect ibounds; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1569 | if (!this->getClipDeviceBounds(&ibounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1570 | return false; |
| 1571 | } |
| 1572 | |
reed@android.com | d9c0f0b | 2009-02-06 22:39:37 +0000 | [diff] [blame] | 1573 | SkMatrix inverse; |
| 1574 | // if we can't invert the CTM, we can't return local clip bounds |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1575 | if (!fMCRec->fMatrix.invert(&inverse)) { |
reed@android.com | 72dcd3a | 2009-05-18 15:46:29 +0000 | [diff] [blame] | 1576 | if (bounds) { |
| 1577 | bounds->setEmpty(); |
| 1578 | } |
reed@android.com | d9c0f0b | 2009-02-06 22:39:37 +0000 | [diff] [blame] | 1579 | return false; |
| 1580 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1581 | |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 1582 | if (bounds) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1583 | SkRect r; |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1584 | // adjust it outwards in case we are antialiasing |
| 1585 | const int inset = 1; |
reed@google.com | fa4d5bd | 2012-01-30 17:36:27 +0000 | [diff] [blame] | 1586 | |
reed@google.com | 8f4d230 | 2013-12-17 16:44:46 +0000 | [diff] [blame] | 1587 | r.iset(ibounds.fLeft - inset, ibounds.fTop - inset, |
| 1588 | ibounds.fRight + inset, ibounds.fBottom + inset); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1589 | inverse.mapRect(bounds, r); |
| 1590 | } |
| 1591 | return true; |
| 1592 | } |
| 1593 | |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1594 | bool SkCanvas::getClipDeviceBounds(SkIRect* bounds) const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1595 | const SkRasterClip& clip = fMCRec->fRasterClip; |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1596 | if (clip.isEmpty()) { |
| 1597 | if (bounds) { |
| 1598 | bounds->setEmpty(); |
| 1599 | } |
| 1600 | return false; |
| 1601 | } |
| 1602 | |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 1603 | if (bounds) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1604 | *bounds = clip.getBounds(); |
| 1605 | } |
| 1606 | return true; |
| 1607 | } |
| 1608 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1609 | const SkMatrix& SkCanvas::getTotalMatrix() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1610 | return fMCRec->fMatrix; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1611 | } |
| 1612 | |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1613 | const SkRegion& SkCanvas::internal_private_getTotalClip() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1614 | return fMCRec->fRasterClip.forceGetBW(); |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1615 | } |
| 1616 | |
reed@google.com | 9c135db | 2014-03-12 18:28:35 +0000 | [diff] [blame] | 1617 | GrRenderTarget* SkCanvas::internal_private_accessTopLayerRenderTarget() { |
| 1618 | SkBaseDevice* dev = this->getTopDevice(); |
| 1619 | return dev ? dev->accessRenderTarget() : NULL; |
| 1620 | } |
| 1621 | |
commit-bot@chromium.org | 644629c | 2013-11-21 06:21:58 +0000 | [diff] [blame] | 1622 | GrContext* SkCanvas::getGrContext() { |
| 1623 | #if SK_SUPPORT_GPU |
| 1624 | SkBaseDevice* device = this->getTopDevice(); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 1625 | if (device) { |
commit-bot@chromium.org | 644629c | 2013-11-21 06:21:58 +0000 | [diff] [blame] | 1626 | GrRenderTarget* renderTarget = device->accessRenderTarget(); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 1627 | if (renderTarget) { |
commit-bot@chromium.org | 644629c | 2013-11-21 06:21:58 +0000 | [diff] [blame] | 1628 | return renderTarget->getContext(); |
| 1629 | } |
| 1630 | } |
| 1631 | #endif |
| 1632 | |
| 1633 | return NULL; |
| 1634 | |
| 1635 | } |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 1636 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1637 | void SkCanvas::drawDRRect(const SkRRect& outer, const SkRRect& inner, |
| 1638 | const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1639 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawDRRect()"); |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1640 | if (outer.isEmpty()) { |
| 1641 | return; |
| 1642 | } |
| 1643 | if (inner.isEmpty()) { |
| 1644 | this->drawRRect(outer, paint); |
| 1645 | return; |
| 1646 | } |
| 1647 | |
| 1648 | // We don't have this method (yet), but technically this is what we should |
| 1649 | // be able to assert... |
| 1650 | // SkASSERT(outer.contains(inner)); |
| 1651 | // |
| 1652 | // For now at least check for containment of bounds |
| 1653 | SkASSERT(outer.getBounds().contains(inner.getBounds())); |
| 1654 | |
| 1655 | this->onDrawDRRect(outer, inner, paint); |
| 1656 | } |
| 1657 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1658 | ////////////////////////////////////////////////////////////////////////////// |
| 1659 | // These are the virtual drawing methods |
| 1660 | ////////////////////////////////////////////////////////////////////////////// |
| 1661 | |
commit-bot@chromium.org | 28361fa | 2014-03-28 16:08:05 +0000 | [diff] [blame] | 1662 | void SkCanvas::onDiscard() { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 1663 | if (fSurfaceBase) { |
commit-bot@chromium.org | 28361fa | 2014-03-28 16:08:05 +0000 | [diff] [blame] | 1664 | fSurfaceBase->aboutToDraw(SkSurface::kDiscard_ContentChangeMode); |
| 1665 | } |
| 1666 | } |
| 1667 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1668 | void SkCanvas::drawPaint(const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1669 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawPaint()"); |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1670 | this->internalDrawPaint(paint); |
| 1671 | } |
| 1672 | |
| 1673 | void SkCanvas::internalDrawPaint(const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1674 | LOOPER_BEGIN(paint, SkDrawFilter::kPaint_Type, NULL) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1675 | |
| 1676 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1677 | iter.fDevice->drawPaint(iter, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1678 | } |
| 1679 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1680 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1681 | } |
| 1682 | |
| 1683 | void SkCanvas::drawPoints(PointMode mode, size_t count, const SkPoint pts[], |
| 1684 | const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1685 | TRACE_EVENT1("disabled-by-default-skia", "SkCanvas::drawPoints()", "count", static_cast<uint64_t>(count)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1686 | if ((long)count <= 0) { |
| 1687 | return; |
| 1688 | } |
| 1689 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1690 | SkRect r, storage; |
| 1691 | const SkRect* bounds = NULL; |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1692 | if (paint.canComputeFastBounds()) { |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1693 | // special-case 2 points (common for drawing a single line) |
| 1694 | if (2 == count) { |
| 1695 | r.set(pts[0], pts[1]); |
| 1696 | } else { |
commit-bot@chromium.org | a8c7f77 | 2014-01-24 21:46:29 +0000 | [diff] [blame] | 1697 | r.set(pts, SkToInt(count)); |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1698 | } |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1699 | bounds = &paint.computeFastStrokeBounds(r, &storage); |
| 1700 | if (this->quickReject(*bounds)) { |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1701 | return; |
| 1702 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1703 | } |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1704 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1705 | SkASSERT(pts != NULL); |
| 1706 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1707 | LOOPER_BEGIN(paint, SkDrawFilter::kPoint_Type, bounds) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1708 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1709 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1710 | iter.fDevice->drawPoints(iter, mode, count, pts, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1711 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1712 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1713 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1714 | } |
| 1715 | |
bsalomon@google.com | 7ce564c | 2013-10-22 16:54:15 +0000 | [diff] [blame] | 1716 | void SkCanvas::drawRect(const SkRect& r, const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1717 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawRect()"); |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1718 | SkRect storage; |
| 1719 | const SkRect* bounds = NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1720 | if (paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1721 | bounds = &paint.computeFastBounds(r, &storage); |
| 1722 | if (this->quickReject(*bounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1723 | return; |
| 1724 | } |
| 1725 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1726 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1727 | LOOPER_BEGIN(paint, SkDrawFilter::kRect_Type, bounds) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1728 | |
| 1729 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1730 | iter.fDevice->drawRect(iter, r, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1731 | } |
| 1732 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1733 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1734 | } |
| 1735 | |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1736 | void SkCanvas::drawOval(const SkRect& oval, const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1737 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawOval()"); |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1738 | SkRect storage; |
| 1739 | const SkRect* bounds = NULL; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1740 | if (paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1741 | bounds = &paint.computeFastBounds(oval, &storage); |
| 1742 | if (this->quickReject(*bounds)) { |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1743 | return; |
| 1744 | } |
| 1745 | } |
skia.committer@gmail.com | 306ab9d | 2012-12-13 02:01:33 +0000 | [diff] [blame] | 1746 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1747 | LOOPER_BEGIN(paint, SkDrawFilter::kOval_Type, bounds) |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1748 | |
| 1749 | while (iter.next()) { |
| 1750 | iter.fDevice->drawOval(iter, oval, looper.paint()); |
| 1751 | } |
| 1752 | |
| 1753 | LOOPER_END |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1754 | } |
| 1755 | |
| 1756 | void SkCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1757 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawRRect()"); |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1758 | SkRect storage; |
| 1759 | const SkRect* bounds = NULL; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1760 | if (paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1761 | bounds = &paint.computeFastBounds(rrect.getBounds(), &storage); |
| 1762 | if (this->quickReject(*bounds)) { |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1763 | return; |
| 1764 | } |
| 1765 | } |
| 1766 | |
| 1767 | if (rrect.isRect()) { |
| 1768 | // call the non-virtual version |
| 1769 | this->SkCanvas::drawRect(rrect.getBounds(), paint); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1770 | return; |
| 1771 | } else if (rrect.isOval()) { |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1772 | // call the non-virtual version |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1773 | this->SkCanvas::drawOval(rrect.getBounds(), paint); |
| 1774 | return; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1775 | } |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1776 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1777 | LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, bounds) |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1778 | |
| 1779 | while (iter.next()) { |
| 1780 | iter.fDevice->drawRRect(iter, rrect, looper.paint()); |
| 1781 | } |
| 1782 | |
| 1783 | LOOPER_END |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1784 | } |
| 1785 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1786 | void SkCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, |
| 1787 | const SkPaint& paint) { |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1788 | SkRect storage; |
| 1789 | const SkRect* bounds = NULL; |
| 1790 | if (paint.canComputeFastBounds()) { |
| 1791 | bounds = &paint.computeFastBounds(outer.getBounds(), &storage); |
| 1792 | if (this->quickReject(*bounds)) { |
| 1793 | return; |
| 1794 | } |
| 1795 | } |
skia.committer@gmail.com | 25c7127 | 2014-02-21 03:02:02 +0000 | [diff] [blame] | 1796 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1797 | LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, bounds) |
skia.committer@gmail.com | 25c7127 | 2014-02-21 03:02:02 +0000 | [diff] [blame] | 1798 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1799 | while (iter.next()) { |
| 1800 | iter.fDevice->drawDRRect(iter, outer, inner, looper.paint()); |
| 1801 | } |
skia.committer@gmail.com | 25c7127 | 2014-02-21 03:02:02 +0000 | [diff] [blame] | 1802 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1803 | LOOPER_END |
| 1804 | } |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1805 | |
bsalomon@google.com | 7ce564c | 2013-10-22 16:54:15 +0000 | [diff] [blame] | 1806 | void SkCanvas::drawPath(const SkPath& path, const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1807 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawPath()"); |
reed@google.com | 9364511 | 2012-07-26 16:11:47 +0000 | [diff] [blame] | 1808 | if (!path.isFinite()) { |
| 1809 | return; |
| 1810 | } |
| 1811 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1812 | SkRect storage; |
| 1813 | const SkRect* bounds = NULL; |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1814 | if (!path.isInverseFillType() && paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1815 | const SkRect& pathBounds = path.getBounds(); |
| 1816 | bounds = &paint.computeFastBounds(pathBounds, &storage); |
| 1817 | if (this->quickReject(*bounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1818 | return; |
| 1819 | } |
| 1820 | } |
commit-bot@chromium.org | 0b45dc4 | 2014-02-21 05:42:57 +0000 | [diff] [blame] | 1821 | |
| 1822 | const SkRect& r = path.getBounds(); |
| 1823 | if (r.width() <= 0 && r.height() <= 0) { |
commit-bot@chromium.org | 6803c21 | 2014-05-04 18:08:27 +0000 | [diff] [blame] | 1824 | if (path.isInverseFillType()) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1825 | this->internalDrawPaint(paint); |
| 1826 | } |
| 1827 | return; |
| 1828 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1829 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1830 | LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, bounds) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1831 | |
| 1832 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1833 | iter.fDevice->drawPath(iter, path, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1834 | } |
| 1835 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1836 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1837 | } |
| 1838 | |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 1839 | void SkCanvas::drawImage(const SkImage* image, SkScalar left, SkScalar top, |
| 1840 | const SkPaint* paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1841 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawImage()"); |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 1842 | image->draw(this, left, top, paint); |
| 1843 | } |
| 1844 | |
| 1845 | void SkCanvas::drawImageRect(const SkImage* image, const SkRect* src, |
| 1846 | const SkRect& dst, |
| 1847 | const SkPaint* paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1848 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawImageRect()"); |
piotaixr | 5ceff91 | 2014-09-26 07:36:26 -0700 | [diff] [blame] | 1849 | image->drawRect(this, src, dst, paint); |
piotaixr | b5fae93 | 2014-09-24 13:03:30 -0700 | [diff] [blame] | 1850 | } |
| 1851 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1852 | void SkCanvas::drawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y, |
| 1853 | const SkPaint* paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1854 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawBitmap()"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1855 | SkDEBUGCODE(bitmap.validate();) |
| 1856 | |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1857 | if (NULL == paint || paint->canComputeFastBounds()) { |
reed@google.com | 9efd9a0 | 2012-01-30 15:41:43 +0000 | [diff] [blame] | 1858 | SkRect bounds = { |
| 1859 | x, y, |
| 1860 | x + SkIntToScalar(bitmap.width()), |
| 1861 | y + SkIntToScalar(bitmap.height()) |
| 1862 | }; |
| 1863 | if (paint) { |
| 1864 | (void)paint->computeFastBounds(bounds, &bounds); |
| 1865 | } |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1866 | if (this->quickReject(bounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1867 | return; |
| 1868 | } |
| 1869 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1870 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1871 | SkMatrix matrix; |
| 1872 | matrix.setTranslate(x, y); |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1873 | this->internalDrawBitmap(bitmap, matrix, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1874 | } |
| 1875 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1876 | // this one is non-virtual, so it can be called safely by other canvas apis |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1877 | void SkCanvas::internalDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1878 | const SkRect& dst, const SkPaint* paint, |
| 1879 | DrawBitmapRectFlags flags) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1880 | if (bitmap.drawsNothing() || dst.isEmpty()) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1881 | return; |
| 1882 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 1883 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1884 | SkRect storage; |
| 1885 | const SkRect* bounds = &dst; |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1886 | if (NULL == paint || paint->canComputeFastBounds()) { |
reed@google.com | 9efd9a0 | 2012-01-30 15:41:43 +0000 | [diff] [blame] | 1887 | if (paint) { |
| 1888 | bounds = &paint->computeFastBounds(dst, &storage); |
| 1889 | } |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1890 | if (this->quickReject(*bounds)) { |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1891 | return; |
| 1892 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1893 | } |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1894 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1895 | SkLazyPaint lazy; |
| 1896 | if (NULL == paint) { |
| 1897 | paint = lazy.init(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1898 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 1899 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1900 | LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, bounds) |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 1901 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1902 | while (iter.next()) { |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1903 | iter.fDevice->drawBitmapRect(iter, bitmap, src, dst, looper.paint(), flags); |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 1904 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 1905 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1906 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1907 | } |
| 1908 | |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1909 | void SkCanvas::drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1910 | const SkRect& dst, const SkPaint* paint, |
| 1911 | DrawBitmapRectFlags flags) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1912 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawBitmapRectToRect()"); |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1913 | SkDEBUGCODE(bitmap.validate();) |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1914 | this->internalDrawBitmapRect(bitmap, src, dst, paint, flags); |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1915 | } |
| 1916 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1917 | void SkCanvas::internalDrawBitmapNine(const SkBitmap& bitmap, |
| 1918 | const SkIRect& center, const SkRect& dst, |
| 1919 | const SkPaint* paint) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1920 | if (bitmap.drawsNothing()) { |
| 1921 | return; |
| 1922 | } |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1923 | if (NULL == paint || paint->canComputeFastBounds()) { |
djsollen@google.com | 60abb07 | 2012-02-15 18:49:15 +0000 | [diff] [blame] | 1924 | SkRect storage; |
| 1925 | const SkRect* bounds = &dst; |
| 1926 | if (paint) { |
| 1927 | bounds = &paint->computeFastBounds(dst, &storage); |
| 1928 | } |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1929 | if (this->quickReject(*bounds)) { |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1930 | return; |
| 1931 | } |
| 1932 | } |
| 1933 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1934 | const int32_t w = bitmap.width(); |
| 1935 | const int32_t h = bitmap.height(); |
| 1936 | |
| 1937 | SkIRect c = center; |
| 1938 | // pin center to the bounds of the bitmap |
| 1939 | c.fLeft = SkMax32(0, center.fLeft); |
| 1940 | c.fTop = SkMax32(0, center.fTop); |
| 1941 | c.fRight = SkPin32(center.fRight, c.fLeft, w); |
| 1942 | c.fBottom = SkPin32(center.fBottom, c.fTop, h); |
| 1943 | |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1944 | const SkScalar srcX[4] = { |
rmistry@google.com | 7d474f8 | 2013-01-02 22:03:54 +0000 | [diff] [blame] | 1945 | 0, SkIntToScalar(c.fLeft), SkIntToScalar(c.fRight), SkIntToScalar(w) |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1946 | }; |
| 1947 | const SkScalar srcY[4] = { |
rmistry@google.com | 7d474f8 | 2013-01-02 22:03:54 +0000 | [diff] [blame] | 1948 | 0, SkIntToScalar(c.fTop), SkIntToScalar(c.fBottom), SkIntToScalar(h) |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1949 | }; |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1950 | SkScalar dstX[4] = { |
| 1951 | dst.fLeft, dst.fLeft + SkIntToScalar(c.fLeft), |
| 1952 | dst.fRight - SkIntToScalar(w - c.fRight), dst.fRight |
| 1953 | }; |
| 1954 | SkScalar dstY[4] = { |
| 1955 | dst.fTop, dst.fTop + SkIntToScalar(c.fTop), |
| 1956 | dst.fBottom - SkIntToScalar(h - c.fBottom), dst.fBottom |
| 1957 | }; |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 1958 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1959 | if (dstX[1] > dstX[2]) { |
| 1960 | dstX[1] = dstX[0] + (dstX[3] - dstX[0]) * c.fLeft / (w - c.width()); |
| 1961 | dstX[2] = dstX[1]; |
| 1962 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 1963 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1964 | if (dstY[1] > dstY[2]) { |
| 1965 | dstY[1] = dstY[0] + (dstY[3] - dstY[0]) * c.fTop / (h - c.height()); |
| 1966 | dstY[2] = dstY[1]; |
| 1967 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 1968 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1969 | for (int y = 0; y < 3; y++) { |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1970 | SkRect s, d; |
| 1971 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1972 | s.fTop = srcY[y]; |
| 1973 | s.fBottom = srcY[y+1]; |
| 1974 | d.fTop = dstY[y]; |
| 1975 | d.fBottom = dstY[y+1]; |
| 1976 | for (int x = 0; x < 3; x++) { |
| 1977 | s.fLeft = srcX[x]; |
| 1978 | s.fRight = srcX[x+1]; |
| 1979 | d.fLeft = dstX[x]; |
| 1980 | d.fRight = dstX[x+1]; |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1981 | this->internalDrawBitmapRect(bitmap, &s, d, paint, |
robertphillips@google.com | 31acc11 | 2013-08-20 12:13:48 +0000 | [diff] [blame] | 1982 | kNone_DrawBitmapRectFlag); |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1983 | } |
| 1984 | } |
| 1985 | } |
| 1986 | |
| 1987 | void SkCanvas::drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, |
| 1988 | const SkRect& dst, const SkPaint* paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 1989 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawBitmapNine()"); |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1990 | SkDEBUGCODE(bitmap.validate();) |
| 1991 | |
| 1992 | // Need a device entry-point, so gpu can use a mesh |
| 1993 | this->internalDrawBitmapNine(bitmap, center, dst, paint); |
| 1994 | } |
| 1995 | |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 1996 | class SkDeviceFilteredPaint { |
| 1997 | public: |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1998 | SkDeviceFilteredPaint(SkBaseDevice* device, const SkPaint& paint) { |
fmalita | 112e7e2 | 2014-11-13 14:05:58 -0800 | [diff] [blame] | 1999 | uint32_t filteredFlags = device->filterTextFlags(paint); |
| 2000 | if (filteredFlags != paint.getFlags()) { |
reed@google.com | a076e9b | 2011-04-06 20:17:29 +0000 | [diff] [blame] | 2001 | SkPaint* newPaint = fLazy.set(paint); |
fmalita | 112e7e2 | 2014-11-13 14:05:58 -0800 | [diff] [blame] | 2002 | newPaint->setFlags(filteredFlags); |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2003 | fPaint = newPaint; |
| 2004 | } else { |
| 2005 | fPaint = &paint; |
| 2006 | } |
| 2007 | } |
| 2008 | |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2009 | const SkPaint& paint() const { return *fPaint; } |
| 2010 | |
| 2011 | private: |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 2012 | const SkPaint* fPaint; |
| 2013 | SkLazyPaint fLazy; |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2014 | }; |
| 2015 | |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2016 | void SkCanvas::DrawRect(const SkDraw& draw, const SkPaint& paint, |
| 2017 | const SkRect& r, SkScalar textSize) { |
epoger@google.com | 17b7894 | 2011-08-26 14:40:38 +0000 | [diff] [blame] | 2018 | if (paint.getStyle() == SkPaint::kFill_Style) { |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2019 | draw.fDevice->drawRect(draw, r, paint); |
| 2020 | } else { |
| 2021 | SkPaint p(paint); |
epoger@google.com | 17b7894 | 2011-08-26 14:40:38 +0000 | [diff] [blame] | 2022 | p.setStrokeWidth(SkScalarMul(textSize, paint.getStrokeWidth())); |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2023 | draw.fDevice->drawRect(draw, r, p); |
| 2024 | } |
| 2025 | } |
| 2026 | |
| 2027 | void SkCanvas::DrawTextDecorations(const SkDraw& draw, const SkPaint& paint, |
| 2028 | const char text[], size_t byteLength, |
| 2029 | SkScalar x, SkScalar y) { |
| 2030 | SkASSERT(byteLength == 0 || text != NULL); |
| 2031 | |
| 2032 | // nothing to draw |
| 2033 | if (text == NULL || byteLength == 0 || |
| 2034 | draw.fClip->isEmpty() || |
| 2035 | (paint.getAlpha() == 0 && paint.getXfermode() == NULL)) { |
| 2036 | return; |
| 2037 | } |
| 2038 | |
| 2039 | SkScalar width = 0; |
| 2040 | SkPoint start; |
| 2041 | |
| 2042 | start.set(0, 0); // to avoid warning |
| 2043 | if (paint.getFlags() & (SkPaint::kUnderlineText_Flag | |
| 2044 | SkPaint::kStrikeThruText_Flag)) { |
| 2045 | width = paint.measureText(text, byteLength); |
| 2046 | |
| 2047 | SkScalar offsetX = 0; |
| 2048 | if (paint.getTextAlign() == SkPaint::kCenter_Align) { |
| 2049 | offsetX = SkScalarHalf(width); |
| 2050 | } else if (paint.getTextAlign() == SkPaint::kRight_Align) { |
| 2051 | offsetX = width; |
| 2052 | } |
| 2053 | start.set(x - offsetX, y); |
| 2054 | } |
| 2055 | |
| 2056 | if (0 == width) { |
| 2057 | return; |
| 2058 | } |
| 2059 | |
| 2060 | uint32_t flags = paint.getFlags(); |
| 2061 | |
| 2062 | if (flags & (SkPaint::kUnderlineText_Flag | |
| 2063 | SkPaint::kStrikeThruText_Flag)) { |
| 2064 | SkScalar textSize = paint.getTextSize(); |
| 2065 | SkScalar height = SkScalarMul(textSize, kStdUnderline_Thickness); |
| 2066 | SkRect r; |
| 2067 | |
| 2068 | r.fLeft = start.fX; |
| 2069 | r.fRight = start.fX + width; |
| 2070 | |
| 2071 | if (flags & SkPaint::kUnderlineText_Flag) { |
| 2072 | SkScalar offset = SkScalarMulAdd(textSize, kStdUnderline_Offset, |
| 2073 | start.fY); |
| 2074 | r.fTop = offset; |
| 2075 | r.fBottom = offset + height; |
| 2076 | DrawRect(draw, paint, r, textSize); |
| 2077 | } |
| 2078 | if (flags & SkPaint::kStrikeThruText_Flag) { |
| 2079 | SkScalar offset = SkScalarMulAdd(textSize, kStdStrikeThru_Offset, |
| 2080 | start.fY); |
| 2081 | r.fTop = offset; |
| 2082 | r.fBottom = offset + height; |
| 2083 | DrawRect(draw, paint, r, textSize); |
| 2084 | } |
| 2085 | } |
| 2086 | } |
| 2087 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2088 | void SkCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| 2089 | const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2090 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2091 | |
| 2092 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2093 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2094 | iter.fDevice->drawText(iter, text, byteLength, x, y, dfp.paint()); |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2095 | DrawTextDecorations(iter, dfp.paint(), |
| 2096 | static_cast<const char*>(text), byteLength, x, y); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2097 | } |
| 2098 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2099 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2100 | } |
| 2101 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2102 | void SkCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| 2103 | const SkPaint& paint) { |
fmalita | 05c4a43 | 2014-09-29 06:29:53 -0700 | [diff] [blame] | 2104 | SkPoint textOffset = SkPoint::Make(0, 0); |
| 2105 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2106 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 2107 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2108 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2109 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
fmalita | 05c4a43 | 2014-09-29 06:29:53 -0700 | [diff] [blame] | 2110 | iter.fDevice->drawPosText(iter, text, byteLength, &pos->fX, 2, textOffset, |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2111 | dfp.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2112 | } |
skia.committer@gmail.com | b0430d0 | 2014-04-24 03:05:07 +0000 | [diff] [blame] | 2113 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2114 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2115 | } |
| 2116 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2117 | void SkCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| 2118 | SkScalar constY, const SkPaint& paint) { |
fmalita | 05c4a43 | 2014-09-29 06:29:53 -0700 | [diff] [blame] | 2119 | |
| 2120 | SkPoint textOffset = SkPoint::Make(0, constY); |
| 2121 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2122 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 2123 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2124 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2125 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
fmalita | 05c4a43 | 2014-09-29 06:29:53 -0700 | [diff] [blame] | 2126 | iter.fDevice->drawPosText(iter, text, byteLength, xpos, 1, textOffset, |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2127 | dfp.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2128 | } |
skia.committer@gmail.com | b0430d0 | 2014-04-24 03:05:07 +0000 | [diff] [blame] | 2129 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2130 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2131 | } |
| 2132 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2133 | void SkCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| 2134 | const SkMatrix* matrix, const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2135 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 2136 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2137 | while (iter.next()) { |
| 2138 | iter.fDevice->drawTextOnPath(iter, text, byteLength, path, |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2139 | matrix, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2140 | } |
skia.committer@gmail.com | b0430d0 | 2014-04-24 03:05:07 +0000 | [diff] [blame] | 2141 | |
commit-bot@chromium.org | 945ec3a | 2014-04-22 20:07:30 +0000 | [diff] [blame] | 2142 | LOOPER_END |
commit-bot@chromium.org | 4325d11 | 2014-04-22 19:03:02 +0000 | [diff] [blame] | 2143 | } |
| 2144 | |
fmalita | 00d5c2c | 2014-08-21 08:53:26 -0700 | [diff] [blame] | 2145 | void SkCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| 2146 | const SkPaint& paint) { |
fmalita | 7ba7aa7 | 2014-08-29 09:46:36 -0700 | [diff] [blame] | 2147 | |
fmalita | 19653d1 | 2014-10-16 11:53:30 -0700 | [diff] [blame] | 2148 | if (paint.canComputeFastBounds()) { |
fmalita | 7ba7aa7 | 2014-08-29 09:46:36 -0700 | [diff] [blame] | 2149 | SkRect storage; |
| 2150 | |
| 2151 | if (this->quickReject(paint.computeFastBounds(blob->bounds().makeOffset(x, y), &storage))) { |
| 2152 | return; |
| 2153 | } |
| 2154 | } |
| 2155 | |
fmalita | aa1b912 | 2014-08-28 14:32:24 -0700 | [diff] [blame] | 2156 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
fmalita | 00d5c2c | 2014-08-21 08:53:26 -0700 | [diff] [blame] | 2157 | |
fmalita | aa1b912 | 2014-08-28 14:32:24 -0700 | [diff] [blame] | 2158 | while (iter.next()) { |
| 2159 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
| 2160 | iter.fDevice->drawTextBlob(iter, blob, x, y, dfp.paint()); |
fmalita | 00d5c2c | 2014-08-21 08:53:26 -0700 | [diff] [blame] | 2161 | } |
| 2162 | |
fmalita | aa1b912 | 2014-08-28 14:32:24 -0700 | [diff] [blame] | 2163 | LOOPER_END |
fmalita | 00d5c2c | 2014-08-21 08:53:26 -0700 | [diff] [blame] | 2164 | } |
| 2165 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2166 | // These will become non-virtual, so they always call the (virtual) onDraw... method |
| 2167 | void SkCanvas::drawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| 2168 | const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2169 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawText()"); |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2170 | this->onDrawText(text, byteLength, x, y, paint); |
| 2171 | } |
| 2172 | void SkCanvas::drawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| 2173 | const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2174 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawPosText()"); |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2175 | this->onDrawPosText(text, byteLength, pos, paint); |
| 2176 | } |
| 2177 | void SkCanvas::drawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| 2178 | SkScalar constY, const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2179 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawPosTextH()"); |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2180 | this->onDrawPosTextH(text, byteLength, xpos, constY, paint); |
| 2181 | } |
| 2182 | void SkCanvas::drawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| 2183 | const SkMatrix* matrix, const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2184 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawTextOnPath()"); |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2185 | this->onDrawTextOnPath(text, byteLength, path, matrix, paint); |
| 2186 | } |
fmalita | 00d5c2c | 2014-08-21 08:53:26 -0700 | [diff] [blame] | 2187 | void SkCanvas::drawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| 2188 | const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2189 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawTextBlob()"); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2190 | if (blob) { |
fmalita | 00d5c2c | 2014-08-21 08:53:26 -0700 | [diff] [blame] | 2191 | this->onDrawTextBlob(blob, x, y, paint); |
| 2192 | } |
| 2193 | } |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2194 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2195 | void SkCanvas::drawVertices(VertexMode vmode, int vertexCount, |
| 2196 | const SkPoint verts[], const SkPoint texs[], |
| 2197 | const SkColor colors[], SkXfermode* xmode, |
| 2198 | const uint16_t indices[], int indexCount, |
| 2199 | const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2200 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawVertices()"); |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2201 | LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, NULL) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2202 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2203 | while (iter.next()) { |
| 2204 | iter.fDevice->drawVertices(iter, vmode, vertexCount, verts, texs, |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2205 | colors, xmode, indices, indexCount, |
| 2206 | looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2207 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2208 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2209 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2210 | } |
| 2211 | |
dandov | b3c9d1c | 2014-08-12 08:34:29 -0700 | [diff] [blame] | 2212 | void SkCanvas::drawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| 2213 | const SkPoint texCoords[4], SkXfermode* xmode, const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2214 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawPatch()"); |
dandov | b3c9d1c | 2014-08-12 08:34:29 -0700 | [diff] [blame] | 2215 | if (NULL == cubics) { |
| 2216 | return; |
| 2217 | } |
mtklein | 6cfa73a | 2014-08-13 13:33:49 -0700 | [diff] [blame] | 2218 | |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame] | 2219 | // Since a patch is always within the convex hull of the control points, we discard it when its |
| 2220 | // bounding rectangle is completely outside the current clip. |
| 2221 | SkRect bounds; |
dandov | b3c9d1c | 2014-08-12 08:34:29 -0700 | [diff] [blame] | 2222 | bounds.set(cubics, SkPatchUtils::kNumCtrlPts); |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame] | 2223 | if (this->quickReject(bounds)) { |
| 2224 | return; |
| 2225 | } |
mtklein | 6cfa73a | 2014-08-13 13:33:49 -0700 | [diff] [blame] | 2226 | |
dandov | b3c9d1c | 2014-08-12 08:34:29 -0700 | [diff] [blame] | 2227 | this->onDrawPatch(cubics, colors, texCoords, xmode, paint); |
| 2228 | } |
| 2229 | |
| 2230 | void SkCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| 2231 | const SkPoint texCoords[4], SkXfermode* xmode, const SkPaint& paint) { |
| 2232 | |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame] | 2233 | LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, NULL) |
mtklein | 6cfa73a | 2014-08-13 13:33:49 -0700 | [diff] [blame] | 2234 | |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame] | 2235 | while (iter.next()) { |
dandov | b3c9d1c | 2014-08-12 08:34:29 -0700 | [diff] [blame] | 2236 | iter.fDevice->drawPatch(iter, cubics, colors, texCoords, xmode, paint); |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame] | 2237 | } |
mtklein | 6cfa73a | 2014-08-13 13:33:49 -0700 | [diff] [blame] | 2238 | |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame] | 2239 | LOOPER_END |
| 2240 | } |
| 2241 | |
reed | 6a070dc | 2014-11-11 19:36:09 -0800 | [diff] [blame] | 2242 | void SkCanvas::EXPERIMENTAL_drawDrawable(SkCanvasDrawable* dr) { |
reed | 6be2aa9 | 2014-11-18 11:08:05 -0800 | [diff] [blame] | 2243 | if (dr && !this->quickReject(dr->getBounds())) { |
| 2244 | this->onDrawDrawable(dr); |
reed | 6a070dc | 2014-11-11 19:36:09 -0800 | [diff] [blame] | 2245 | } |
| 2246 | } |
| 2247 | |
| 2248 | void SkCanvas::onDrawDrawable(SkCanvasDrawable* dr) { |
| 2249 | dr->draw(this); |
| 2250 | } |
| 2251 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2252 | ////////////////////////////////////////////////////////////////////////////// |
| 2253 | // These methods are NOT virtual, and therefore must call back into virtual |
| 2254 | // methods, rather than actually drawing themselves. |
| 2255 | ////////////////////////////////////////////////////////////////////////////// |
| 2256 | |
| 2257 | void SkCanvas::drawARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b, |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2258 | SkXfermode::Mode mode) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2259 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawARGB()"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2260 | SkPaint paint; |
| 2261 | |
| 2262 | paint.setARGB(a, r, g, b); |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2263 | if (SkXfermode::kSrcOver_Mode != mode) { |
reed@android.com | 0baf193 | 2009-06-24 12:41:42 +0000 | [diff] [blame] | 2264 | paint.setXfermodeMode(mode); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2265 | } |
| 2266 | this->drawPaint(paint); |
| 2267 | } |
| 2268 | |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2269 | void SkCanvas::drawColor(SkColor c, SkXfermode::Mode mode) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2270 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawColor()"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2271 | SkPaint paint; |
| 2272 | |
| 2273 | paint.setColor(c); |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2274 | if (SkXfermode::kSrcOver_Mode != mode) { |
reed@android.com | 0baf193 | 2009-06-24 12:41:42 +0000 | [diff] [blame] | 2275 | paint.setXfermodeMode(mode); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2276 | } |
| 2277 | this->drawPaint(paint); |
| 2278 | } |
| 2279 | |
| 2280 | void SkCanvas::drawPoint(SkScalar x, SkScalar y, const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2281 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawPoint(SkPaint)"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2282 | SkPoint pt; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2283 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2284 | pt.set(x, y); |
| 2285 | this->drawPoints(kPoints_PointMode, 1, &pt, paint); |
| 2286 | } |
| 2287 | |
| 2288 | void SkCanvas::drawPoint(SkScalar x, SkScalar y, SkColor color) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2289 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawPoint(SkColor)"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2290 | SkPoint pt; |
| 2291 | SkPaint paint; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2292 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2293 | pt.set(x, y); |
| 2294 | paint.setColor(color); |
| 2295 | this->drawPoints(kPoints_PointMode, 1, &pt, paint); |
| 2296 | } |
| 2297 | |
| 2298 | void SkCanvas::drawLine(SkScalar x0, SkScalar y0, SkScalar x1, SkScalar y1, |
| 2299 | const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2300 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawLine()"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2301 | SkPoint pts[2]; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2302 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2303 | pts[0].set(x0, y0); |
| 2304 | pts[1].set(x1, y1); |
| 2305 | this->drawPoints(kLines_PointMode, 2, pts, paint); |
| 2306 | } |
| 2307 | |
| 2308 | void SkCanvas::drawRectCoords(SkScalar left, SkScalar top, |
| 2309 | SkScalar right, SkScalar bottom, |
| 2310 | const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2311 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawRectCoords()"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2312 | SkRect r; |
| 2313 | |
| 2314 | r.set(left, top, right, bottom); |
| 2315 | this->drawRect(r, paint); |
| 2316 | } |
| 2317 | |
| 2318 | void SkCanvas::drawCircle(SkScalar cx, SkScalar cy, SkScalar radius, |
| 2319 | const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2320 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawCircle()"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2321 | if (radius < 0) { |
| 2322 | radius = 0; |
| 2323 | } |
| 2324 | |
| 2325 | SkRect r; |
| 2326 | r.set(cx - radius, cy - radius, cx + radius, cy + radius); |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2327 | this->drawOval(r, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2328 | } |
| 2329 | |
| 2330 | void SkCanvas::drawRoundRect(const SkRect& r, SkScalar rx, SkScalar ry, |
| 2331 | const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2332 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawRoundRect()"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2333 | if (rx > 0 && ry > 0) { |
| 2334 | if (paint.canComputeFastBounds()) { |
| 2335 | SkRect storage; |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 2336 | if (this->quickReject(paint.computeFastBounds(r, &storage))) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2337 | return; |
| 2338 | } |
| 2339 | } |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2340 | SkRRect rrect; |
| 2341 | rrect.setRectXY(r, rx, ry); |
| 2342 | this->drawRRect(rrect, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2343 | } else { |
| 2344 | this->drawRect(r, paint); |
| 2345 | } |
| 2346 | } |
| 2347 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2348 | void SkCanvas::drawArc(const SkRect& oval, SkScalar startAngle, |
| 2349 | SkScalar sweepAngle, bool useCenter, |
| 2350 | const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2351 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawArc()"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2352 | if (SkScalarAbs(sweepAngle) >= SkIntToScalar(360)) { |
| 2353 | this->drawOval(oval, paint); |
| 2354 | } else { |
| 2355 | SkPath path; |
| 2356 | if (useCenter) { |
| 2357 | path.moveTo(oval.centerX(), oval.centerY()); |
| 2358 | } |
| 2359 | path.arcTo(oval, startAngle, sweepAngle, !useCenter); |
| 2360 | if (useCenter) { |
| 2361 | path.close(); |
| 2362 | } |
| 2363 | this->drawPath(path, paint); |
| 2364 | } |
| 2365 | } |
| 2366 | |
| 2367 | void SkCanvas::drawTextOnPathHV(const void* text, size_t byteLength, |
| 2368 | const SkPath& path, SkScalar hOffset, |
| 2369 | SkScalar vOffset, const SkPaint& paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2370 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawTextOnPathHV()"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2371 | SkMatrix matrix; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2372 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2373 | matrix.setTranslate(hOffset, vOffset); |
| 2374 | this->drawTextOnPath(text, byteLength, path, &matrix, paint); |
| 2375 | } |
| 2376 | |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 2377 | /////////////////////////////////////////////////////////////////////////////// |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 2378 | void SkCanvas::drawPicture(const SkPicture* picture) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2379 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawPicture()"); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2380 | if (picture) { |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2381 | this->onDrawPicture(picture, NULL, NULL); |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 2382 | } |
| 2383 | } |
| 2384 | |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2385 | void SkCanvas::drawPicture(const SkPicture* picture, const SkMatrix* matrix, const SkPaint* paint) { |
danakj | 9881d63 | 2014-11-26 12:41:06 -0800 | [diff] [blame] | 2386 | TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawPicture(SkMatrix, SkPaint)"); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2387 | if (picture) { |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2388 | if (matrix && matrix->isIdentity()) { |
| 2389 | matrix = NULL; |
| 2390 | } |
| 2391 | this->onDrawPicture(picture, matrix, paint); |
| 2392 | } |
| 2393 | } |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 2394 | |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2395 | void SkCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix, |
| 2396 | const SkPaint* paint) { |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2397 | SkBaseDevice* device = this->getTopDevice(); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2398 | if (device) { |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2399 | // Canvas has to first give the device the opportunity to render |
| 2400 | // the picture itself. |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2401 | if (device->EXPERIMENTAL_drawPicture(this, picture, matrix, paint)) { |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2402 | return; // the device has rendered the entire picture |
| 2403 | } |
| 2404 | } |
| 2405 | |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 2406 | SkAutoCanvasMatrixPaint acmp(this, matrix, paint, picture->cullRect()); |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2407 | |
robertphillips | c5ba71d | 2014-09-04 08:42:50 -0700 | [diff] [blame] | 2408 | picture->playback(this); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2409 | } |
| 2410 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2411 | /////////////////////////////////////////////////////////////////////////////// |
| 2412 | /////////////////////////////////////////////////////////////////////////////// |
| 2413 | |
| 2414 | SkCanvas::LayerIter::LayerIter(SkCanvas* canvas, bool skipEmptyClips) { |
reed@google.com | d642329 | 2010-12-20 20:53:13 +0000 | [diff] [blame] | 2415 | SK_COMPILE_ASSERT(sizeof(fStorage) >= sizeof(SkDrawIter), fStorage_too_small); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2416 | |
| 2417 | SkASSERT(canvas); |
| 2418 | |
| 2419 | fImpl = new (fStorage) SkDrawIter(canvas, skipEmptyClips); |
| 2420 | fDone = !fImpl->next(); |
| 2421 | } |
| 2422 | |
| 2423 | SkCanvas::LayerIter::~LayerIter() { |
| 2424 | fImpl->~SkDrawIter(); |
| 2425 | } |
| 2426 | |
| 2427 | void SkCanvas::LayerIter::next() { |
| 2428 | fDone = !fImpl->next(); |
| 2429 | } |
| 2430 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 2431 | SkBaseDevice* SkCanvas::LayerIter::device() const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2432 | return fImpl->getDevice(); |
| 2433 | } |
| 2434 | |
| 2435 | const SkMatrix& SkCanvas::LayerIter::matrix() const { |
| 2436 | return fImpl->getMatrix(); |
| 2437 | } |
| 2438 | |
| 2439 | const SkPaint& SkCanvas::LayerIter::paint() const { |
| 2440 | const SkPaint* paint = fImpl->getPaint(); |
| 2441 | if (NULL == paint) { |
| 2442 | paint = &fDefaultPaint; |
| 2443 | } |
| 2444 | return *paint; |
| 2445 | } |
| 2446 | |
| 2447 | const SkRegion& SkCanvas::LayerIter::clip() const { return fImpl->getClip(); } |
| 2448 | int SkCanvas::LayerIter::x() const { return fImpl->getX(); } |
| 2449 | int SkCanvas::LayerIter::y() const { return fImpl->getY(); } |
justinlin@google.com | 20a550c | 2012-07-27 17:37:12 +0000 | [diff] [blame] | 2450 | |
| 2451 | /////////////////////////////////////////////////////////////////////////////// |
| 2452 | |
fmalita | c3b589a | 2014-06-05 12:40:07 -0700 | [diff] [blame] | 2453 | SkCanvasClipVisitor::~SkCanvasClipVisitor() { } |
commit-bot@chromium.org | 3107b6a | 2014-02-27 20:32:51 +0000 | [diff] [blame] | 2454 | |
| 2455 | /////////////////////////////////////////////////////////////////////////////// |
| 2456 | |
| 2457 | static bool supported_for_raster_canvas(const SkImageInfo& info) { |
| 2458 | switch (info.alphaType()) { |
| 2459 | case kPremul_SkAlphaType: |
| 2460 | case kOpaque_SkAlphaType: |
| 2461 | break; |
| 2462 | default: |
| 2463 | return false; |
| 2464 | } |
| 2465 | |
| 2466 | switch (info.colorType()) { |
| 2467 | case kAlpha_8_SkColorType: |
| 2468 | case kRGB_565_SkColorType: |
commit-bot@chromium.org | 28fcae2 | 2014-04-11 17:15:40 +0000 | [diff] [blame] | 2469 | case kN32_SkColorType: |
commit-bot@chromium.org | 3107b6a | 2014-02-27 20:32:51 +0000 | [diff] [blame] | 2470 | break; |
| 2471 | default: |
| 2472 | return false; |
| 2473 | } |
| 2474 | |
| 2475 | return true; |
| 2476 | } |
| 2477 | |
commit-bot@chromium.org | 42b0893 | 2014-03-17 02:13:07 +0000 | [diff] [blame] | 2478 | SkCanvas* SkCanvas::NewRasterDirect(const SkImageInfo& info, void* pixels, size_t rowBytes) { |
| 2479 | if (!supported_for_raster_canvas(info)) { |
| 2480 | return NULL; |
| 2481 | } |
skia.committer@gmail.com | eb849e5 | 2014-03-17 03:02:17 +0000 | [diff] [blame] | 2482 | |
commit-bot@chromium.org | 42b0893 | 2014-03-17 02:13:07 +0000 | [diff] [blame] | 2483 | SkBitmap bitmap; |
| 2484 | if (!bitmap.installPixels(info, pixels, rowBytes)) { |
| 2485 | return NULL; |
| 2486 | } |
commit-bot@chromium.org | 42b0893 | 2014-03-17 02:13:07 +0000 | [diff] [blame] | 2487 | return SkNEW_ARGS(SkCanvas, (bitmap)); |
| 2488 | } |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2489 | |
| 2490 | /////////////////////////////////////////////////////////////////////////////// |
| 2491 | |
| 2492 | SkAutoCanvasMatrixPaint::SkAutoCanvasMatrixPaint(SkCanvas* canvas, const SkMatrix* matrix, |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 2493 | const SkPaint* paint, const SkRect& bounds) |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2494 | : fCanvas(canvas) |
| 2495 | , fSaveCount(canvas->getSaveCount()) |
| 2496 | { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2497 | if (paint) { |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 2498 | SkRect newBounds = bounds; |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2499 | if (matrix) { |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 2500 | matrix->mapRect(&newBounds); |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2501 | } |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 2502 | canvas->saveLayer(&newBounds, paint); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2503 | } else if (matrix) { |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2504 | canvas->save(); |
| 2505 | } |
mtklein | 6cfa73a | 2014-08-13 13:33:49 -0700 | [diff] [blame] | 2506 | |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2507 | if (matrix) { |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2508 | canvas->concat(*matrix); |
| 2509 | } |
| 2510 | } |
| 2511 | |
| 2512 | SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() { |
| 2513 | fCanvas->restoreToCount(fSaveCount); |
| 2514 | } |