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 | |
reed | 9f01471 | 2014-06-18 15:51:20 -0700 | [diff] [blame] | 8 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 9 | #include "SkCanvas.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" |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 16 | #include "SkMetaData.h" |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 17 | #include "SkPathOps.h" |
dandov | b3c9d1c | 2014-08-12 08:34:29 -0700 | [diff] [blame] | 18 | #include "SkPatchUtils.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 19 | #include "SkPicture.h" |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 20 | #include "SkRasterClip.h" |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 21 | #include "SkRRect.h" |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 22 | #include "SkSmallAllocator.h" |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 23 | #include "SkSurface_Base.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 24 | #include "SkTemplates.h" |
fmalita | 7ba7aa7 | 2014-08-29 09:46:36 -0700 | [diff] [blame] | 25 | #include "SkTextBlob.h" |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 26 | #include "SkTextFormatParams.h" |
reed@google.com | a076e9b | 2011-04-06 20:17:29 +0000 | [diff] [blame] | 27 | #include "SkTLazy.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 28 | #include "SkUtils.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 29 | |
commit-bot@chromium.org | 644629c | 2013-11-21 06:21:58 +0000 | [diff] [blame] | 30 | #if SK_SUPPORT_GPU |
| 31 | #include "GrRenderTarget.h" |
| 32 | #endif |
| 33 | |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 34 | // experimental for faster tiled drawing... |
| 35 | //#define SK_ENABLE_CLIP_QUICKREJECT |
robertphillips@google.com | 15e9d3e | 2012-06-21 20:25:03 +0000 | [diff] [blame] | 36 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 37 | //#define SK_TRACE_SAVERESTORE |
| 38 | |
| 39 | #ifdef SK_TRACE_SAVERESTORE |
| 40 | static int gLayerCounter; |
| 41 | static void inc_layer() { ++gLayerCounter; printf("----- inc layer %d\n", gLayerCounter); } |
| 42 | static void dec_layer() { --gLayerCounter; printf("----- dec layer %d\n", gLayerCounter); } |
| 43 | |
| 44 | static int gRecCounter; |
| 45 | static void inc_rec() { ++gRecCounter; printf("----- inc rec %d\n", gRecCounter); } |
| 46 | static void dec_rec() { --gRecCounter; printf("----- dec rec %d\n", gRecCounter); } |
| 47 | |
| 48 | static int gCanvasCounter; |
| 49 | static void inc_canvas() { ++gCanvasCounter; printf("----- inc canvas %d\n", gCanvasCounter); } |
| 50 | static void dec_canvas() { --gCanvasCounter; printf("----- dec canvas %d\n", gCanvasCounter); } |
| 51 | #else |
| 52 | #define inc_layer() |
| 53 | #define dec_layer() |
| 54 | #define inc_rec() |
| 55 | #define dec_rec() |
| 56 | #define inc_canvas() |
| 57 | #define dec_canvas() |
| 58 | #endif |
| 59 | |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 60 | typedef SkTLazy<SkPaint> SkLazyPaint; |
| 61 | |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 62 | void SkCanvas::predrawNotify() { |
| 63 | if (fSurfaceBase) { |
commit-bot@chromium.org | c4c9870 | 2013-04-22 14:28:01 +0000 | [diff] [blame] | 64 | fSurfaceBase->aboutToDraw(SkSurface::kRetain_ContentChangeMode); |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 65 | } |
| 66 | } |
| 67 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 68 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 69 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 70 | /* 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] | 71 | The clip/matrix/proc are fields that reflect the top of the save/restore |
| 72 | stack. Whenever the canvas changes, it marks a dirty flag, and then before |
| 73 | these are used (assuming we're not on a layer) we rebuild these cache |
| 74 | values: they reflect the top of the save stack, but translated and clipped |
| 75 | by the device's XY offset and bitmap-bounds. |
| 76 | */ |
| 77 | struct DeviceCM { |
| 78 | DeviceCM* fNext; |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 79 | SkBaseDevice* fDevice; |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 80 | SkRasterClip fClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 81 | const SkMatrix* fMatrix; |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 82 | SkPaint* fPaint; // may be null (in the future) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 83 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 84 | DeviceCM(SkBaseDevice* device, int x, int y, const SkPaint* paint, SkCanvas* canvas, |
| 85 | bool conservativeRasterClip) |
| 86 | : fNext(NULL) |
| 87 | , fClip(conservativeRasterClip) |
| 88 | { |
| 89 | if (NULL != device) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 90 | device->ref(); |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 91 | device->onAttachToCanvas(canvas); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 92 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 93 | fDevice = device; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 94 | fPaint = paint ? SkNEW_ARGS(SkPaint, (*paint)) : NULL; |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 95 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 96 | |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 97 | ~DeviceCM() { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 98 | if (fDevice) { |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 99 | fDevice->onDetachFromCanvas(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 100 | fDevice->unref(); |
| 101 | } |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 102 | SkDELETE(fPaint); |
| 103 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 104 | |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 105 | void updateMC(const SkMatrix& totalMatrix, const SkRasterClip& totalClip, |
| 106 | const SkClipStack& clipStack, SkRasterClip* updateClip) { |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 107 | int x = fDevice->getOrigin().x(); |
| 108 | int y = fDevice->getOrigin().y(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 109 | int width = fDevice->width(); |
| 110 | int height = fDevice->height(); |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 111 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 112 | if ((x | y) == 0) { |
| 113 | fMatrix = &totalMatrix; |
| 114 | fClip = totalClip; |
| 115 | } else { |
| 116 | fMatrixStorage = totalMatrix; |
| 117 | fMatrixStorage.postTranslate(SkIntToScalar(-x), |
| 118 | SkIntToScalar(-y)); |
| 119 | fMatrix = &fMatrixStorage; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 120 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 121 | totalClip.translate(-x, -y, &fClip); |
| 122 | } |
| 123 | |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 124 | fClip.op(SkIRect::MakeWH(width, height), SkRegion::kIntersect_Op); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 125 | |
| 126 | // intersect clip, but don't translate it (yet) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 127 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 128 | if (updateClip) { |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 129 | updateClip->op(SkIRect::MakeXYWH(x, y, width, height), |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 130 | SkRegion::kDifference_Op); |
| 131 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 132 | |
robertphillips@google.com | 3fffb2e | 2012-10-09 22:30:18 +0000 | [diff] [blame] | 133 | fDevice->setMatrixClip(*fMatrix, fClip.forceGetBW(), clipStack); |
| 134 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 135 | #ifdef SK_DEBUG |
| 136 | if (!fClip.isEmpty()) { |
| 137 | SkIRect deviceR; |
| 138 | deviceR.set(0, 0, width, height); |
| 139 | SkASSERT(deviceR.contains(fClip.getBounds())); |
| 140 | } |
| 141 | #endif |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 142 | } |
| 143 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 144 | private: |
bsalomon@google.com | 0e354aa | 2012-10-08 20:44:25 +0000 | [diff] [blame] | 145 | SkMatrix fMatrixStorage; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 146 | }; |
| 147 | |
| 148 | /* This is the record we keep for each save/restore level in the stack. |
| 149 | Since a level optionally copies the matrix and/or stack, we have pointers |
| 150 | for these fields. If the value is copied for this level, the copy is |
| 151 | stored in the ...Storage field, and the pointer points to that. If the |
| 152 | value is not copied for this level, we ignore ...Storage, and just point |
| 153 | at the corresponding value in the previous level in the stack. |
| 154 | */ |
| 155 | class SkCanvas::MCRec { |
| 156 | public: |
reed | 6f09709 | 2014-09-09 12:51:10 -0700 | [diff] [blame] | 157 | SkRasterClip fRasterClip; |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 158 | SkMatrix fMatrix; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 159 | SkDrawFilter* fFilter; // the current filter (or null) |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 160 | DeviceCM* fLayer; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 161 | /* If there are any layers in the stack, this points to the top-most |
| 162 | one that is at or below this level in the stack (so we know what |
| 163 | bitmap/device to draw into from this level. This value is NOT |
| 164 | reference counted, since the real owner is either our fLayer field, |
| 165 | or a previous one in a lower level.) |
| 166 | */ |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 167 | DeviceCM* fTopLayer; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 168 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 169 | MCRec(bool conservativeRasterClip) : fRasterClip(conservativeRasterClip) { |
| 170 | fMatrix.reset(); |
| 171 | fFilter = NULL; |
| 172 | fLayer = NULL; |
| 173 | fTopLayer = NULL; |
| 174 | |
| 175 | // don't bother initializing fNext |
| 176 | inc_rec(); |
| 177 | } |
| 178 | MCRec(const MCRec& prev) : fRasterClip(prev.fRasterClip) { |
| 179 | fMatrix = prev.fMatrix; |
| 180 | fFilter = SkSafeRef(prev.fFilter); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 181 | fLayer = NULL; |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 182 | fTopLayer = prev.fTopLayer; |
| 183 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 184 | // don't bother initializing fNext |
| 185 | inc_rec(); |
| 186 | } |
| 187 | ~MCRec() { |
reed@google.com | 82065d6 | 2011-02-07 15:30:46 +0000 | [diff] [blame] | 188 | SkSafeUnref(fFilter); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 189 | SkDELETE(fLayer); |
| 190 | dec_rec(); |
| 191 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 192 | }; |
| 193 | |
| 194 | class SkDrawIter : public SkDraw { |
| 195 | public: |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 196 | SkDrawIter(SkCanvas* canvas, bool skipEmptyClips = true) { |
junov@google.com | 4370aed | 2012-01-18 16:21:08 +0000 | [diff] [blame] | 197 | canvas = canvas->canvasForDrawIter(); |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 198 | fCanvas = canvas; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 199 | canvas->updateDeviceCMCache(); |
| 200 | |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 201 | fClipStack = &canvas->fClipStack; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 202 | fCurrLayer = canvas->fMCRec->fTopLayer; |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 203 | fSkipEmptyClips = skipEmptyClips; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 204 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 205 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 206 | bool next() { |
| 207 | // skip over recs with empty clips |
| 208 | if (fSkipEmptyClips) { |
| 209 | while (fCurrLayer && fCurrLayer->fClip.isEmpty()) { |
| 210 | fCurrLayer = fCurrLayer->fNext; |
| 211 | } |
| 212 | } |
| 213 | |
reed@google.com | f68c5e2 | 2012-02-24 16:38:58 +0000 | [diff] [blame] | 214 | const DeviceCM* rec = fCurrLayer; |
| 215 | if (rec && rec->fDevice) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 216 | |
| 217 | fMatrix = rec->fMatrix; |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 218 | fClip = &((SkRasterClip*)&rec->fClip)->forceGetBW(); |
| 219 | fRC = &rec->fClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 220 | fDevice = rec->fDevice; |
| 221 | fBitmap = &fDevice->accessBitmap(true); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 222 | fPaint = rec->fPaint; |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 223 | SkDEBUGCODE(this->validate();) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 224 | |
| 225 | fCurrLayer = rec->fNext; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 226 | // fCurrLayer may be NULL now |
reed@android.com | 199f108 | 2009-06-10 02:12:47 +0000 | [diff] [blame] | 227 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 228 | return true; |
| 229 | } |
| 230 | return false; |
| 231 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 232 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 233 | SkBaseDevice* getDevice() const { return fDevice; } |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 234 | int getX() const { return fDevice->getOrigin().x(); } |
| 235 | int getY() const { return fDevice->getOrigin().y(); } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 236 | const SkMatrix& getMatrix() const { return *fMatrix; } |
| 237 | const SkRegion& getClip() const { return *fClip; } |
| 238 | const SkPaint* getPaint() const { return fPaint; } |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 239 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 240 | private: |
| 241 | SkCanvas* fCanvas; |
| 242 | const DeviceCM* fCurrLayer; |
| 243 | const SkPaint* fPaint; // May be null. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 244 | SkBool8 fSkipEmptyClips; |
| 245 | |
| 246 | typedef SkDraw INHERITED; |
| 247 | }; |
| 248 | |
| 249 | ///////////////////////////////////////////////////////////////////////////// |
| 250 | |
| 251 | class AutoDrawLooper { |
| 252 | public: |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 253 | AutoDrawLooper(SkCanvas* canvas, const SkPaint& paint, |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 254 | bool skipLayerForImageFilter = false, |
| 255 | const SkRect* bounds = NULL) : fOrigPaint(paint) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 256 | fCanvas = canvas; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 257 | fFilter = canvas->getDrawFilter(); |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 258 | fPaint = NULL; |
| 259 | fSaveCount = canvas->getSaveCount(); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 260 | fDoClearImageFilter = false; |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 261 | fDone = false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 262 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 263 | if (!skipLayerForImageFilter && fOrigPaint.getImageFilter()) { |
| 264 | SkPaint tmp; |
| 265 | tmp.setImageFilter(fOrigPaint.getImageFilter()); |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 266 | (void)canvas->internalSaveLayer(bounds, &tmp, SkCanvas::kARGB_ClipLayer_SaveFlag, |
| 267 | true, SkCanvas::kFullLayer_SaveLayerStrategy); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 268 | // we'll clear the imageFilter for the actual draws in next(), so |
| 269 | // it will only be applied during the restore(). |
| 270 | fDoClearImageFilter = true; |
| 271 | } |
| 272 | |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 273 | if (SkDrawLooper* looper = paint.getLooper()) { |
| 274 | void* buffer = fLooperContextAllocator.reserveT<SkDrawLooper::Context>( |
| 275 | looper->contextSize()); |
| 276 | fLooperContext = looper->createContext(canvas, buffer); |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 277 | fIsSimple = false; |
| 278 | } else { |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 279 | fLooperContext = NULL; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 280 | // can we be marked as simple? |
| 281 | fIsSimple = !fFilter && !fDoClearImageFilter; |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 282 | } |
| 283 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 284 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 285 | ~AutoDrawLooper() { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 286 | if (fDoClearImageFilter) { |
| 287 | fCanvas->internalRestore(); |
| 288 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 289 | SkASSERT(fCanvas->getSaveCount() == fSaveCount); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 290 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 291 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 292 | const SkPaint& paint() const { |
| 293 | SkASSERT(fPaint); |
| 294 | return *fPaint; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 295 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 296 | |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 297 | bool next(SkDrawFilter::Type drawType) { |
| 298 | if (fDone) { |
| 299 | return false; |
| 300 | } else if (fIsSimple) { |
| 301 | fDone = true; |
| 302 | fPaint = &fOrigPaint; |
| 303 | return !fPaint->nothingToDraw(); |
| 304 | } else { |
| 305 | return this->doNext(drawType); |
| 306 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 307 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 308 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 309 | private: |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 310 | SkLazyPaint fLazyPaint; |
| 311 | SkCanvas* fCanvas; |
| 312 | const SkPaint& fOrigPaint; |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 313 | SkDrawFilter* fFilter; |
| 314 | const SkPaint* fPaint; |
| 315 | int fSaveCount; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 316 | bool fDoClearImageFilter; |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 317 | bool fDone; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 318 | bool fIsSimple; |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 319 | SkDrawLooper::Context* fLooperContext; |
| 320 | SkSmallAllocator<1, 32> fLooperContextAllocator; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 321 | |
| 322 | bool doNext(SkDrawFilter::Type drawType); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 323 | }; |
| 324 | |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 325 | bool AutoDrawLooper::doNext(SkDrawFilter::Type drawType) { |
reed@google.com | 632e1a2 | 2011-10-06 12:37:00 +0000 | [diff] [blame] | 326 | fPaint = NULL; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 327 | SkASSERT(!fIsSimple); |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 328 | SkASSERT(fLooperContext || fFilter || fDoClearImageFilter); |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 329 | |
| 330 | SkPaint* paint = fLazyPaint.set(fOrigPaint); |
| 331 | |
| 332 | if (fDoClearImageFilter) { |
| 333 | paint->setImageFilter(NULL); |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 334 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 335 | |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 336 | if (fLooperContext && !fLooperContext->next(fCanvas, paint)) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 337 | fDone = true; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 338 | return false; |
| 339 | } |
| 340 | if (fFilter) { |
reed@google.com | 971aca7 | 2012-11-26 20:26:54 +0000 | [diff] [blame] | 341 | if (!fFilter->filter(paint, drawType)) { |
| 342 | fDone = true; |
| 343 | return false; |
| 344 | } |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 345 | if (NULL == fLooperContext) { |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 346 | // no looper means we only draw once |
| 347 | fDone = true; |
| 348 | } |
| 349 | } |
| 350 | fPaint = paint; |
| 351 | |
| 352 | // 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] | 353 | if (!fLooperContext && !fFilter) { |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 354 | fDone = true; |
reed@google.com | 632e1a2 | 2011-10-06 12:37:00 +0000 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | // call this after any possible paint modifiers |
| 358 | if (fPaint->nothingToDraw()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 359 | fPaint = NULL; |
| 360 | return false; |
| 361 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 362 | return true; |
| 363 | } |
| 364 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 365 | #include "SkColorPriv.h" |
| 366 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 367 | ////////// macros to place around the internal draw calls ////////////////// |
| 368 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 369 | #define LOOPER_BEGIN_DRAWDEVICE(paint, type) \ |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 370 | this->predrawNotify(); \ |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 371 | AutoDrawLooper looper(this, paint, true); \ |
| 372 | while (looper.next(type)) { \ |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 373 | SkDrawIter iter(this); |
| 374 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 375 | #define LOOPER_BEGIN(paint, type, bounds) \ |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 376 | this->predrawNotify(); \ |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 377 | AutoDrawLooper looper(this, paint, false, bounds); \ |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 378 | while (looper.next(type)) { \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 379 | SkDrawIter iter(this); |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 380 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 381 | #define LOOPER_END } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 382 | |
| 383 | //////////////////////////////////////////////////////////////////////////// |
| 384 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 385 | SkBaseDevice* SkCanvas::init(SkBaseDevice* device, InitFlags flags) { |
| 386 | fConservativeRasterClip = SkToBool(flags & kConservativeRasterClip_InitFlag); |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 387 | fCachedLocalClipBounds.setEmpty(); |
| 388 | fCachedLocalClipBoundsDirty = true; |
caryclark@google.com | 8f0a7b8 | 2012-11-07 14:54:49 +0000 | [diff] [blame] | 389 | fAllowSoftClip = true; |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 390 | fAllowSimplifyClip = false; |
reed | f92c866 | 2014-08-18 08:02:43 -0700 | [diff] [blame] | 391 | fDeviceCMDirty = true; |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 392 | fSaveLayerCount = 0; |
commit-bot@chromium.org | 210ae2a | 2014-02-27 17:40:13 +0000 | [diff] [blame] | 393 | fCullCount = 0; |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 394 | fMetaData = NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 395 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 396 | if (device && device->forceConservativeRasterClip()) { |
| 397 | fConservativeRasterClip = true; |
| 398 | } |
| 399 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 400 | fMCRec = (MCRec*)fMCStack.push_back(); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 401 | new (fMCRec) MCRec(fConservativeRasterClip); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 402 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 403 | fMCRec->fLayer = SkNEW_ARGS(DeviceCM, (NULL, 0, 0, NULL, NULL, fConservativeRasterClip)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 404 | fMCRec->fTopLayer = fMCRec->fLayer; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 405 | |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 406 | fSurfaceBase = NULL; |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 407 | |
reed | f92c866 | 2014-08-18 08:02:43 -0700 | [diff] [blame] | 408 | if (device) { |
| 409 | device->onAttachToCanvas(this); |
| 410 | fMCRec->fLayer->fDevice = SkRef(device); |
| 411 | fMCRec->fRasterClip.setRect(SkIRect::MakeWH(device->width(), device->height())); |
| 412 | } |
| 413 | return device; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 414 | } |
| 415 | |
reed@google.com | cde9211 | 2011-07-06 20:00:52 +0000 | [diff] [blame] | 416 | SkCanvas::SkCanvas() |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 417 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 418 | { |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 419 | inc_canvas(); |
skia.committer@gmail.com | ba12448 | 2014-02-01 03:01:57 +0000 | [diff] [blame] | 420 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 421 | this->init(NULL, kDefault_InitFlags); |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 422 | } |
| 423 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 424 | static SkBitmap make_nopixels(int width, int height) { |
| 425 | SkBitmap bitmap; |
| 426 | bitmap.setInfo(SkImageInfo::MakeUnknown(width, height)); |
| 427 | return bitmap; |
| 428 | } |
| 429 | |
| 430 | class SkNoPixelsBitmapDevice : public SkBitmapDevice { |
| 431 | public: |
| 432 | SkNoPixelsBitmapDevice(int width, int height) : INHERITED(make_nopixels(width, height)) {} |
| 433 | |
| 434 | private: |
| 435 | |
| 436 | typedef SkBitmapDevice INHERITED; |
| 437 | }; |
| 438 | |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 439 | SkCanvas::SkCanvas(int width, int height) |
| 440 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 441 | { |
| 442 | inc_canvas(); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 443 | |
| 444 | this->init(SkNEW_ARGS(SkNoPixelsBitmapDevice, (width, height)), kDefault_InitFlags)->unref(); |
| 445 | } |
skia.committer@gmail.com | ba12448 | 2014-02-01 03:01:57 +0000 | [diff] [blame] | 446 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 447 | SkCanvas::SkCanvas(int width, int height, InitFlags flags) |
| 448 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 449 | { |
| 450 | inc_canvas(); |
| 451 | |
| 452 | this->init(SkNEW_ARGS(SkNoPixelsBitmapDevice, (width, height)), flags)->unref(); |
| 453 | } |
| 454 | |
| 455 | SkCanvas::SkCanvas(SkBaseDevice* device, InitFlags flags) |
| 456 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 457 | { |
| 458 | inc_canvas(); |
| 459 | |
| 460 | this->init(device, flags); |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 461 | } |
| 462 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 463 | SkCanvas::SkCanvas(SkBaseDevice* device) |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 464 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 465 | { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 466 | inc_canvas(); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 467 | |
| 468 | this->init(device, kDefault_InitFlags); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | SkCanvas::SkCanvas(const SkBitmap& bitmap) |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 472 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 473 | { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 474 | inc_canvas(); |
| 475 | |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 476 | this->init(SkNEW_ARGS(SkBitmapDevice, (bitmap)), kDefault_InitFlags)->unref(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 477 | } |
| 478 | |
| 479 | SkCanvas::~SkCanvas() { |
| 480 | // free up the contents of our deque |
| 481 | this->restoreToCount(1); // restore everything but the last |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 482 | SkASSERT(0 == fSaveLayerCount); |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 483 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 484 | this->internalRestore(); // restore the last, since we're going away |
| 485 | |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 486 | SkDELETE(fMetaData); |
vandebo@chromium.org | b70ae31 | 2010-10-15 18:58:19 +0000 | [diff] [blame] | 487 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 488 | dec_canvas(); |
| 489 | } |
| 490 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 491 | SkDrawFilter* SkCanvas::getDrawFilter() const { |
| 492 | return fMCRec->fFilter; |
| 493 | } |
| 494 | |
| 495 | SkDrawFilter* SkCanvas::setDrawFilter(SkDrawFilter* filter) { |
| 496 | SkRefCnt_SafeAssign(fMCRec->fFilter, filter); |
| 497 | return filter; |
| 498 | } |
| 499 | |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 500 | SkMetaData& SkCanvas::getMetaData() { |
| 501 | // metadata users are rare, so we lazily allocate it. If that changes we |
| 502 | // can decide to just make it a field in the device (rather than a ptr) |
| 503 | if (NULL == fMetaData) { |
| 504 | fMetaData = new SkMetaData; |
| 505 | } |
| 506 | return *fMetaData; |
| 507 | } |
| 508 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 509 | /////////////////////////////////////////////////////////////////////////////// |
| 510 | |
junov@chromium.org | bf6c1e4 | 2012-01-30 14:53:22 +0000 | [diff] [blame] | 511 | void SkCanvas::flush() { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 512 | SkBaseDevice* device = this->getDevice(); |
junov@chromium.org | bf6c1e4 | 2012-01-30 14:53:22 +0000 | [diff] [blame] | 513 | if (device) { |
| 514 | device->flush(); |
| 515 | } |
| 516 | } |
| 517 | |
bsalomon@google.com | 4ebe382 | 2014-02-26 20:22:32 +0000 | [diff] [blame] | 518 | SkISize SkCanvas::getTopLayerSize() const { |
| 519 | SkBaseDevice* d = this->getTopDevice(); |
| 520 | return d ? SkISize::Make(d->width(), d->height()) : SkISize::Make(0, 0); |
| 521 | } |
| 522 | |
| 523 | SkIPoint SkCanvas::getTopLayerOrigin() const { |
| 524 | SkBaseDevice* d = this->getTopDevice(); |
| 525 | return d ? d->getOrigin() : SkIPoint::Make(0, 0); |
| 526 | } |
| 527 | |
| 528 | SkISize SkCanvas::getBaseLayerSize() const { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 529 | SkBaseDevice* d = this->getDevice(); |
reed@google.com | 210ce00 | 2011-11-01 14:24:23 +0000 | [diff] [blame] | 530 | return d ? SkISize::Make(d->width(), d->height()) : SkISize::Make(0, 0); |
| 531 | } |
| 532 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 533 | SkBaseDevice* SkCanvas::getDevice() const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 534 | // return root device |
robertphillips@google.com | c029062 | 2012-07-16 21:20:03 +0000 | [diff] [blame] | 535 | MCRec* rec = (MCRec*) fMCStack.front(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 536 | SkASSERT(rec && rec->fLayer); |
| 537 | return rec->fLayer->fDevice; |
| 538 | } |
| 539 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 540 | SkBaseDevice* SkCanvas::getTopDevice(bool updateMatrixClip) const { |
reed@google.com | 0b53d59 | 2012-03-19 18:26:34 +0000 | [diff] [blame] | 541 | if (updateMatrixClip) { |
| 542 | const_cast<SkCanvas*>(this)->updateDeviceCMCache(); |
| 543 | } |
reed@google.com | 9266fed | 2011-03-30 00:18:03 +0000 | [diff] [blame] | 544 | return fMCRec->fTopLayer->fDevice; |
| 545 | } |
| 546 | |
commit-bot@chromium.org | 403f8d7 | 2014-02-17 15:24:26 +0000 | [diff] [blame] | 547 | SkBaseDevice* SkCanvas::setRootDevice(SkBaseDevice* device) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 548 | // return root device |
reed@google.com | 4c09d5c | 2011-02-22 13:16:38 +0000 | [diff] [blame] | 549 | SkDeque::F2BIter iter(fMCStack); |
| 550 | MCRec* rec = (MCRec*)iter.next(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 551 | SkASSERT(rec && rec->fLayer); |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 552 | SkBaseDevice* rootDevice = rec->fLayer->fDevice; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 553 | |
| 554 | if (rootDevice == device) { |
| 555 | return device; |
| 556 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 557 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 558 | if (device) { |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 559 | device->onAttachToCanvas(this); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 560 | } |
| 561 | if (rootDevice) { |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 562 | rootDevice->onDetachFromCanvas(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 563 | } |
| 564 | |
| 565 | SkRefCnt_SafeAssign(rec->fLayer->fDevice, device); |
| 566 | rootDevice = device; |
| 567 | |
| 568 | fDeviceCMDirty = true; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 569 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 570 | /* Now we update our initial region to have the bounds of the new device, |
| 571 | and then intersect all of the clips in our stack with these bounds, |
| 572 | to ensure that we can't draw outside of the device's bounds (and trash |
| 573 | memory). |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 574 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 575 | NOTE: this is only a partial-fix, since if the new device is larger than |
| 576 | 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] | 577 | so drawing may be artificially restricted. Without keeping a history of |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 578 | all calls to canvas->clipRect() and canvas->clipPath(), we can't exactly |
| 579 | reconstruct the correct clips, so this approximation will have to do. |
| 580 | The caller really needs to restore() back to the base if they want to |
| 581 | accurately take advantage of the new device bounds. |
| 582 | */ |
| 583 | |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 584 | SkIRect bounds; |
| 585 | if (device) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 586 | bounds.set(0, 0, device->width(), device->height()); |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 587 | } else { |
| 588 | bounds.setEmpty(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 589 | } |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 590 | // 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] | 591 | rec->fRasterClip.setRect(bounds); |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 592 | while ((rec = (MCRec*)iter.next()) != NULL) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 593 | (void)rec->fRasterClip.op(bounds, SkRegion::kIntersect_Op); |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 594 | } |
| 595 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 596 | return device; |
| 597 | } |
| 598 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 599 | bool SkCanvas::readPixels(SkBitmap* bitmap, int x, int y) { |
| 600 | if (kUnknown_SkColorType == bitmap->colorType() || bitmap->getTexture()) { |
| 601 | return false; |
| 602 | } |
| 603 | |
| 604 | bool weAllocated = false; |
| 605 | if (NULL == bitmap->pixelRef()) { |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 606 | if (!bitmap->tryAllocPixels()) { |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 607 | return false; |
| 608 | } |
| 609 | weAllocated = true; |
| 610 | } |
| 611 | |
| 612 | SkBitmap bm(*bitmap); |
| 613 | bm.lockPixels(); |
| 614 | if (bm.getPixels() && this->readPixels(bm.info(), bm.getPixels(), bm.rowBytes(), x, y)) { |
| 615 | return true; |
| 616 | } |
| 617 | |
| 618 | if (weAllocated) { |
| 619 | bitmap->setPixelRef(NULL); |
| 620 | } |
| 621 | return false; |
| 622 | } |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 623 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 624 | bool SkCanvas::readPixels(const SkIRect& srcRect, SkBitmap* bitmap) { |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 625 | SkIRect r = srcRect; |
| 626 | const SkISize size = this->getBaseLayerSize(); |
| 627 | if (!r.intersect(0, 0, size.width(), size.height())) { |
| 628 | bitmap->reset(); |
| 629 | return false; |
| 630 | } |
| 631 | |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 632 | if (!bitmap->tryAllocN32Pixels(r.width(), r.height())) { |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 633 | // bitmap will already be reset. |
| 634 | return false; |
| 635 | } |
| 636 | if (!this->readPixels(bitmap->info(), bitmap->getPixels(), bitmap->rowBytes(), r.x(), r.y())) { |
| 637 | bitmap->reset(); |
| 638 | return false; |
| 639 | } |
| 640 | return true; |
| 641 | } |
| 642 | |
| 643 | bool SkCanvas::readPixels(const SkImageInfo& origInfo, void* dstP, size_t rowBytes, int x, int y) { |
| 644 | switch (origInfo.colorType()) { |
| 645 | case kUnknown_SkColorType: |
| 646 | case kIndex_8_SkColorType: |
| 647 | return false; |
| 648 | default: |
| 649 | break; |
| 650 | } |
| 651 | if (NULL == dstP || rowBytes < origInfo.minRowBytes()) { |
| 652 | return false; |
| 653 | } |
| 654 | if (0 == origInfo.width() || 0 == origInfo.height()) { |
| 655 | return false; |
| 656 | } |
| 657 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 658 | SkBaseDevice* device = this->getDevice(); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 659 | if (!device) { |
| 660 | return false; |
| 661 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 662 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 663 | const SkISize size = this->getBaseLayerSize(); |
| 664 | SkIRect srcR = SkIRect::MakeXYWH(x, y, origInfo.width(), origInfo.height()); |
| 665 | if (!srcR.intersect(0, 0, size.width(), size.height())) { |
bsalomon@google.com | daba14b | 2011-11-02 20:10:48 +0000 | [diff] [blame] | 666 | return false; |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 667 | } |
skia.committer@gmail.com | db0c875 | 2014-03-18 03:02:11 +0000 | [diff] [blame] | 668 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 669 | // the intersect may have shrunk info's logical size |
reed | e5ea500 | 2014-09-03 11:54:58 -0700 | [diff] [blame] | 670 | const SkImageInfo info = origInfo.makeWH(srcR.width(), srcR.height()); |
skia.committer@gmail.com | db0c875 | 2014-03-18 03:02:11 +0000 | [diff] [blame] | 671 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 672 | // if x or y are negative, then we have to adjust pixels |
| 673 | if (x > 0) { |
| 674 | x = 0; |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 675 | } |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 676 | if (y > 0) { |
| 677 | y = 0; |
| 678 | } |
| 679 | // here x,y are either 0 or negative |
| 680 | dstP = ((char*)dstP - y * rowBytes - x * info.bytesPerPixel()); |
skia.committer@gmail.com | db0c875 | 2014-03-18 03:02:11 +0000 | [diff] [blame] | 681 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 682 | // The device can assert that the requested area is always contained in its bounds |
| 683 | return device->readPixels(info, dstP, rowBytes, srcR.x(), srcR.y()); |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 684 | } |
| 685 | |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 686 | bool SkCanvas::writePixels(const SkBitmap& bitmap, int x, int y) { |
| 687 | if (bitmap.getTexture()) { |
| 688 | return false; |
| 689 | } |
| 690 | SkBitmap bm(bitmap); |
| 691 | bm.lockPixels(); |
| 692 | if (bm.getPixels()) { |
| 693 | return this->writePixels(bm.info(), bm.getPixels(), bm.rowBytes(), x, y); |
| 694 | } |
| 695 | return false; |
| 696 | } |
| 697 | |
| 698 | bool SkCanvas::writePixels(const SkImageInfo& origInfo, const void* pixels, size_t rowBytes, |
| 699 | int x, int y) { |
| 700 | switch (origInfo.colorType()) { |
| 701 | case kUnknown_SkColorType: |
| 702 | case kIndex_8_SkColorType: |
| 703 | return false; |
| 704 | default: |
| 705 | break; |
| 706 | } |
| 707 | if (NULL == pixels || rowBytes < origInfo.minRowBytes()) { |
| 708 | return false; |
| 709 | } |
| 710 | |
| 711 | const SkISize size = this->getBaseLayerSize(); |
| 712 | SkIRect target = SkIRect::MakeXYWH(x, y, origInfo.width(), origInfo.height()); |
| 713 | if (!target.intersect(0, 0, size.width(), size.height())) { |
| 714 | return false; |
| 715 | } |
| 716 | |
| 717 | SkBaseDevice* device = this->getDevice(); |
| 718 | if (!device) { |
| 719 | return false; |
| 720 | } |
| 721 | |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 722 | // the intersect may have shrunk info's logical size |
reed | e5ea500 | 2014-09-03 11:54:58 -0700 | [diff] [blame] | 723 | const SkImageInfo info = origInfo.makeWH(target.width(), target.height()); |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 724 | |
| 725 | // if x or y are negative, then we have to adjust pixels |
| 726 | if (x > 0) { |
| 727 | x = 0; |
| 728 | } |
| 729 | if (y > 0) { |
| 730 | y = 0; |
| 731 | } |
| 732 | // here x,y are either 0 or negative |
| 733 | pixels = ((const char*)pixels - y * rowBytes - x * info.bytesPerPixel()); |
| 734 | |
reed | 4af35f3 | 2014-06-27 17:47:49 -0700 | [diff] [blame] | 735 | // Tell our owning surface to bump its generation ID |
| 736 | this->predrawNotify(); |
| 737 | |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 738 | // 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] | 739 | return device->writePixels(info, pixels, rowBytes, target.x(), target.y()); |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 740 | } |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 741 | |
junov@google.com | 4370aed | 2012-01-18 16:21:08 +0000 | [diff] [blame] | 742 | SkCanvas* SkCanvas::canvasForDrawIter() { |
| 743 | return this; |
| 744 | } |
| 745 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 746 | ////////////////////////////////////////////////////////////////////////////// |
| 747 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 748 | void SkCanvas::updateDeviceCMCache() { |
| 749 | if (fDeviceCMDirty) { |
| 750 | const SkMatrix& totalMatrix = this->getTotalMatrix(); |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 751 | const SkRasterClip& totalClip = fMCRec->fRasterClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 752 | DeviceCM* layer = fMCRec->fTopLayer; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 753 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 754 | if (NULL == layer->fNext) { // only one layer |
reed@google.com | 46799cd | 2011-02-22 20:56:26 +0000 | [diff] [blame] | 755 | layer->updateMC(totalMatrix, totalClip, fClipStack, NULL); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 756 | } else { |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 757 | SkRasterClip clip(totalClip); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 758 | do { |
reed@google.com | 46799cd | 2011-02-22 20:56:26 +0000 | [diff] [blame] | 759 | layer->updateMC(totalMatrix, clip, fClipStack, &clip); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 760 | } while ((layer = layer->fNext) != NULL); |
| 761 | } |
| 762 | fDeviceCMDirty = false; |
| 763 | } |
| 764 | } |
| 765 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 766 | /////////////////////////////////////////////////////////////////////////////// |
| 767 | |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 768 | int SkCanvas::internalSave() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 769 | int saveCount = this->getSaveCount(); // record this before the actual save |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 770 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 771 | MCRec* newTop = (MCRec*)fMCStack.push_back(); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 772 | new (newTop) MCRec(*fMCRec); // balanced in restore() |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 773 | fMCRec = newTop; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 774 | |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 775 | fClipStack.save(); |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 776 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 777 | return saveCount; |
| 778 | } |
| 779 | |
commit-bot@chromium.org | d70fa20 | 2014-04-24 21:51:58 +0000 | [diff] [blame] | 780 | int SkCanvas::save() { |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 781 | this->willSave(); |
| 782 | return this->internalSave(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 783 | } |
| 784 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 785 | static bool bounds_affects_clip(SkCanvas::SaveFlags flags) { |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 786 | #ifdef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 787 | return (flags & SkCanvas::kClipToLayer_SaveFlag) != 0; |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 788 | #else |
| 789 | return true; |
| 790 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 791 | } |
| 792 | |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 793 | bool SkCanvas::clipRectBounds(const SkRect* bounds, SaveFlags flags, |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 794 | SkIRect* intersection, const SkImageFilter* imageFilter) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 795 | SkIRect clipBounds; |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 796 | SkRegion::Op op = SkRegion::kIntersect_Op; |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 797 | if (!this->getClipDeviceBounds(&clipBounds)) { |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 798 | return false; |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 799 | } |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 800 | |
| 801 | if (imageFilter) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 802 | imageFilter->filterBounds(clipBounds, fMCRec->fMatrix, &clipBounds); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 803 | // Filters may grow the bounds beyond the device bounds. |
| 804 | op = SkRegion::kReplace_Op; |
| 805 | } |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 806 | SkIRect ir; |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 807 | if (bounds) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 808 | SkRect r; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 809 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 810 | this->getTotalMatrix().mapRect(&r, *bounds); |
| 811 | r.roundOut(&ir); |
| 812 | // early exit if the layer's bounds are clipped out |
| 813 | if (!ir.intersect(clipBounds)) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 814 | if (bounds_affects_clip(flags)) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 815 | fMCRec->fRasterClip.setEmpty(); |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 816 | } |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 817 | return false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 818 | } |
| 819 | } else { // no user bounds, so just use the clip |
| 820 | ir = clipBounds; |
| 821 | } |
| 822 | |
senorblanco@chromium.org | 89f077c | 2014-02-24 15:16:42 +0000 | [diff] [blame] | 823 | if (bounds_affects_clip(flags)) { |
| 824 | fClipStack.clipDevRect(ir, op); |
| 825 | // early exit if the clip is now empty |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 826 | if (!fMCRec->fRasterClip.op(ir, op)) { |
senorblanco@chromium.org | 89f077c | 2014-02-24 15:16:42 +0000 | [diff] [blame] | 827 | return false; |
| 828 | } |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 829 | } |
| 830 | |
| 831 | if (intersection) { |
| 832 | *intersection = ir; |
| 833 | } |
| 834 | return true; |
| 835 | } |
| 836 | |
commit-bot@chromium.org | d70fa20 | 2014-04-24 21:51:58 +0000 | [diff] [blame] | 837 | int SkCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint) { |
| 838 | SaveLayerStrategy strategy = this->willSaveLayer(bounds, paint, kARGB_ClipLayer_SaveFlag); |
| 839 | return this->internalSaveLayer(bounds, paint, kARGB_ClipLayer_SaveFlag, false, strategy); |
| 840 | } |
| 841 | |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 842 | int SkCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint, |
| 843 | SaveFlags flags) { |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 844 | SaveLayerStrategy strategy = this->willSaveLayer(bounds, paint, flags); |
| 845 | return this->internalSaveLayer(bounds, paint, flags, false, strategy); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 846 | } |
| 847 | |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 848 | int SkCanvas::internalSaveLayer(const SkRect* bounds, const SkPaint* paint, SaveFlags flags, |
| 849 | bool justForImageFilter, SaveLayerStrategy strategy) { |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 850 | #ifndef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG |
commit-bot@chromium.org | 2a5cd60 | 2014-05-30 20:41:20 +0000 | [diff] [blame] | 851 | flags |= kClipToLayer_SaveFlag; |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 852 | #endif |
| 853 | |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 854 | // do this before we create the layer. We don't call the public save() since |
| 855 | // that would invoke a possibly overridden virtual |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 856 | int count = this->internalSave(); |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 857 | |
| 858 | fDeviceCMDirty = true; |
| 859 | |
| 860 | SkIRect ir; |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 861 | if (!this->clipRectBounds(bounds, flags, &ir, paint ? paint->getImageFilter() : NULL)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 862 | return count; |
| 863 | } |
| 864 | |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 865 | // FIXME: do willSaveLayer() overriders returning kNoLayer_SaveLayerStrategy really care about |
| 866 | // the clipRectBounds() call above? |
| 867 | if (kNoLayer_SaveLayerStrategy == strategy) { |
| 868 | return count; |
| 869 | } |
| 870 | |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 871 | // Kill the imagefilter if our device doesn't allow it |
| 872 | SkLazyPaint lazyP; |
| 873 | if (paint && paint->getImageFilter()) { |
| 874 | if (!this->getTopDevice()->allowImageFilter(paint->getImageFilter())) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 875 | if (justForImageFilter) { |
| 876 | // early exit if the layer was just for the imageFilter |
| 877 | return count; |
| 878 | } |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 879 | SkPaint* p = lazyP.set(*paint); |
| 880 | p->setImageFilter(NULL); |
| 881 | paint = p; |
| 882 | } |
| 883 | } |
| 884 | |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 885 | bool isOpaque = !SkToBool(flags & kHasAlphaLayer_SaveFlag); |
| 886 | SkImageInfo info = SkImageInfo::MakeN32(ir.width(), ir.height(), |
| 887 | isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 888 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 889 | SkBaseDevice* device; |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 890 | if (paint && paint->getImageFilter()) { |
reed | 52d9ac6 | 2014-06-30 09:05:34 -0700 | [diff] [blame] | 891 | device = this->getDevice(); |
| 892 | if (device) { |
| 893 | device = device->createCompatibleDevice(info); |
| 894 | } |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 895 | } else { |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 896 | device = this->createLayerDevice(info); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 897 | } |
bungeman@google.com | e25c684 | 2011-08-17 14:53:54 +0000 | [diff] [blame] | 898 | if (NULL == device) { |
| 899 | SkDebugf("Unable to create device for layer."); |
| 900 | return count; |
| 901 | } |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 902 | |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 903 | device->setOrigin(ir.fLeft, ir.fTop); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 904 | DeviceCM* layer = SkNEW_ARGS(DeviceCM, |
| 905 | (device, ir.fLeft, ir.fTop, paint, this, fConservativeRasterClip)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 906 | device->unref(); |
| 907 | |
| 908 | layer->fNext = fMCRec->fTopLayer; |
| 909 | fMCRec->fLayer = layer; |
| 910 | fMCRec->fTopLayer = layer; // this field is NOT an owner of layer |
| 911 | |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 912 | fSaveLayerCount += 1; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 913 | return count; |
| 914 | } |
| 915 | |
commit-bot@chromium.org | d70fa20 | 2014-04-24 21:51:58 +0000 | [diff] [blame] | 916 | int SkCanvas::saveLayerAlpha(const SkRect* bounds, U8CPU alpha) { |
| 917 | return this->saveLayerAlpha(bounds, alpha, kARGB_ClipLayer_SaveFlag); |
| 918 | } |
| 919 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 920 | int SkCanvas::saveLayerAlpha(const SkRect* bounds, U8CPU alpha, |
| 921 | SaveFlags flags) { |
| 922 | if (0xFF == alpha) { |
| 923 | return this->saveLayer(bounds, NULL, flags); |
| 924 | } else { |
| 925 | SkPaint tmpPaint; |
| 926 | tmpPaint.setAlpha(alpha); |
| 927 | return this->saveLayer(bounds, &tmpPaint, flags); |
| 928 | } |
| 929 | } |
| 930 | |
| 931 | void SkCanvas::restore() { |
| 932 | // check for underflow |
| 933 | if (fMCStack.count() > 1) { |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 934 | this->willRestore(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 935 | this->internalRestore(); |
mtklein | 6cfa73a | 2014-08-13 13:33:49 -0700 | [diff] [blame] | 936 | this->didRestore(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 937 | } |
| 938 | } |
| 939 | |
| 940 | void SkCanvas::internalRestore() { |
| 941 | SkASSERT(fMCStack.count() != 0); |
| 942 | |
| 943 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 944 | fCachedLocalClipBoundsDirty = true; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 945 | |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 946 | fClipStack.restore(); |
commit-bot@chromium.org | 6c15764 | 2013-08-16 00:53:34 +0000 | [diff] [blame] | 947 | |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 948 | // reserve our layer (if any) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 949 | DeviceCM* layer = fMCRec->fLayer; // may be null |
| 950 | // now detach it from fMCRec so we can pop(). Gets freed after its drawn |
| 951 | fMCRec->fLayer = NULL; |
| 952 | |
| 953 | // now do the normal restore() |
| 954 | fMCRec->~MCRec(); // balanced in save() |
| 955 | fMCStack.pop_back(); |
| 956 | fMCRec = (MCRec*)fMCStack.back(); |
| 957 | |
| 958 | /* Time to draw the layer's offscreen. We can't call the public drawSprite, |
| 959 | since if we're being recorded, we don't want to record this (the |
| 960 | recorder will have already recorded the restore). |
| 961 | */ |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 962 | if (layer) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 963 | if (layer->fNext) { |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 964 | const SkIPoint& origin = layer->fDevice->getOrigin(); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 965 | this->internalDrawDevice(layer->fDevice, origin.x(), origin.y(), |
| 966 | layer->fPaint); |
| 967 | // reset this, since internalDrawDevice will have set it to true |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 968 | fDeviceCMDirty = true; |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 969 | |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 970 | SkASSERT(fSaveLayerCount > 0); |
| 971 | fSaveLayerCount -= 1; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 972 | } |
| 973 | SkDELETE(layer); |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 974 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 975 | } |
| 976 | |
| 977 | int SkCanvas::getSaveCount() const { |
| 978 | return fMCStack.count(); |
| 979 | } |
| 980 | |
| 981 | void SkCanvas::restoreToCount(int count) { |
| 982 | // sanity check |
| 983 | if (count < 1) { |
| 984 | count = 1; |
| 985 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 986 | |
reed@google.com | b9d1c6a | 2011-11-28 16:09:24 +0000 | [diff] [blame] | 987 | int n = this->getSaveCount() - count; |
| 988 | for (int i = 0; i < n; ++i) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 989 | this->restore(); |
| 990 | } |
| 991 | } |
| 992 | |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 993 | bool SkCanvas::isDrawingToLayer() const { |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 994 | return fSaveLayerCount > 0; |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 995 | } |
| 996 | |
reed@google.com | 76f10a3 | 2014-02-05 15:32:21 +0000 | [diff] [blame] | 997 | SkSurface* SkCanvas::newSurface(const SkImageInfo& info) { |
| 998 | return this->onNewSurface(info); |
| 999 | } |
| 1000 | |
| 1001 | SkSurface* SkCanvas::onNewSurface(const SkImageInfo& info) { |
| 1002 | SkBaseDevice* dev = this->getDevice(); |
| 1003 | return dev ? dev->newSurface(info) : NULL; |
| 1004 | } |
| 1005 | |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1006 | SkImageInfo SkCanvas::imageInfo() const { |
| 1007 | SkBaseDevice* dev = this->getDevice(); |
| 1008 | if (dev) { |
| 1009 | return dev->imageInfo(); |
| 1010 | } else { |
reed@google.com | 900ecf2 | 2014-02-20 20:55:37 +0000 | [diff] [blame] | 1011 | return SkImageInfo::MakeUnknown(0, 0); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1012 | } |
| 1013 | } |
| 1014 | |
| 1015 | const void* SkCanvas::peekPixels(SkImageInfo* info, size_t* rowBytes) { |
| 1016 | return this->onPeekPixels(info, rowBytes); |
| 1017 | } |
| 1018 | |
| 1019 | const void* SkCanvas::onPeekPixels(SkImageInfo* info, size_t* rowBytes) { |
| 1020 | SkBaseDevice* dev = this->getDevice(); |
| 1021 | return dev ? dev->peekPixels(info, rowBytes) : NULL; |
| 1022 | } |
| 1023 | |
commit-bot@chromium.org | 6b4aaa7 | 2014-04-21 21:09:38 +0000 | [diff] [blame] | 1024 | void* SkCanvas::accessTopLayerPixels(SkImageInfo* info, size_t* rowBytes, SkIPoint* origin) { |
| 1025 | void* pixels = this->onAccessTopLayerPixels(info, rowBytes); |
| 1026 | if (pixels && origin) { |
| 1027 | *origin = this->getTopDevice(false)->getOrigin(); |
| 1028 | } |
| 1029 | return pixels; |
reed@google.com | 9c135db | 2014-03-12 18:28:35 +0000 | [diff] [blame] | 1030 | } |
| 1031 | |
| 1032 | void* SkCanvas::onAccessTopLayerPixels(SkImageInfo* info, size_t* rowBytes) { |
| 1033 | SkBaseDevice* dev = this->getTopDevice(); |
| 1034 | return dev ? dev->accessPixels(info, rowBytes) : NULL; |
| 1035 | } |
| 1036 | |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1037 | SkAutoROCanvasPixels::SkAutoROCanvasPixels(SkCanvas* canvas) { |
| 1038 | fAddr = canvas->peekPixels(&fInfo, &fRowBytes); |
| 1039 | if (NULL == fAddr) { |
| 1040 | fInfo = canvas->imageInfo(); |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 1041 | if (kUnknown_SkColorType == fInfo.colorType() || !fBitmap.tryAllocPixels(fInfo)) { |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1042 | return; // failure, fAddr is NULL |
| 1043 | } |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1044 | if (!canvas->readPixels(&fBitmap, 0, 0)) { |
| 1045 | return; // failure, fAddr is NULL |
| 1046 | } |
| 1047 | fAddr = fBitmap.getPixels(); |
| 1048 | fRowBytes = fBitmap.rowBytes(); |
| 1049 | } |
| 1050 | SkASSERT(fAddr); // success |
| 1051 | } |
| 1052 | |
| 1053 | bool SkAutoROCanvasPixels::asROBitmap(SkBitmap* bitmap) const { |
| 1054 | if (fAddr) { |
commit-bot@chromium.org | 00f8d6c | 2014-05-29 15:57:20 +0000 | [diff] [blame] | 1055 | return bitmap->installPixels(fInfo, const_cast<void*>(fAddr), fRowBytes); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1056 | } else { |
| 1057 | bitmap->reset(); |
| 1058 | return false; |
| 1059 | } |
| 1060 | } |
| 1061 | |
commit-bot@chromium.org | 210ae2a | 2014-02-27 17:40:13 +0000 | [diff] [blame] | 1062 | void SkCanvas::onPushCull(const SkRect& cullRect) { |
| 1063 | // do nothing. Subclasses may do something |
| 1064 | } |
| 1065 | |
| 1066 | void SkCanvas::onPopCull() { |
| 1067 | // do nothing. Subclasses may do something |
| 1068 | } |
| 1069 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1070 | ///////////////////////////////////////////////////////////////////////////// |
commit-bot@chromium.org | 520cf8b | 2014-03-20 20:25:14 +0000 | [diff] [blame] | 1071 | #ifdef SK_DEBUG |
| 1072 | // Ensure that cull rects are monotonically nested in device space. |
| 1073 | void SkCanvas::validateCull(const SkIRect& devCull) { |
| 1074 | if (fCullStack.isEmpty() |
| 1075 | || devCull.isEmpty() |
| 1076 | || fCullStack.top().contains(devCull)) { |
| 1077 | return; |
| 1078 | } |
| 1079 | |
| 1080 | SkDEBUGF(("Invalid cull: [%d %d %d %d] (previous cull: [%d %d %d %d])\n", |
| 1081 | devCull.x(), devCull.y(), devCull.right(), devCull.bottom(), |
| 1082 | fCullStack.top().x(), fCullStack.top().y(), |
| 1083 | fCullStack.top().right(), fCullStack.top().bottom())); |
| 1084 | |
| 1085 | #ifdef ASSERT_NESTED_CULLING |
| 1086 | SkDEBUGFAIL("Invalid cull."); |
| 1087 | #endif |
| 1088 | } |
| 1089 | #endif |
| 1090 | |
| 1091 | void SkCanvas::pushCull(const SkRect& cullRect) { |
| 1092 | ++fCullCount; |
| 1093 | this->onPushCull(cullRect); |
| 1094 | |
| 1095 | #ifdef SK_DEBUG |
| 1096 | // Map the cull rect into device space. |
| 1097 | SkRect mappedCull; |
| 1098 | this->getTotalMatrix().mapRect(&mappedCull, cullRect); |
| 1099 | |
| 1100 | // Take clipping into account. |
| 1101 | SkIRect devClip, devCull; |
| 1102 | mappedCull.roundOut(&devCull); |
| 1103 | this->getClipDeviceBounds(&devClip); |
| 1104 | if (!devCull.intersect(devClip)) { |
| 1105 | devCull.setEmpty(); |
| 1106 | } |
| 1107 | |
| 1108 | this->validateCull(devCull); |
| 1109 | fCullStack.push(devCull); // balanced in popCull |
| 1110 | #endif |
| 1111 | } |
| 1112 | |
| 1113 | void SkCanvas::popCull() { |
| 1114 | SkASSERT(fCullStack.count() == fCullCount); |
| 1115 | |
| 1116 | if (fCullCount > 0) { |
| 1117 | --fCullCount; |
| 1118 | this->onPopCull(); |
| 1119 | |
| 1120 | SkDEBUGCODE(fCullStack.pop()); |
| 1121 | } |
| 1122 | } |
| 1123 | |
| 1124 | ///////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1125 | |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1126 | void SkCanvas::internalDrawBitmap(const SkBitmap& bitmap, |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1127 | const SkMatrix& matrix, const SkPaint* paint) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1128 | if (bitmap.drawsNothing()) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1129 | return; |
| 1130 | } |
| 1131 | |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 1132 | SkLazyPaint lazy; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1133 | if (NULL == paint) { |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 1134 | paint = lazy.init(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1135 | } |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1136 | |
| 1137 | SkDEBUGCODE(bitmap.validate();) |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1138 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1139 | SkRect storage; |
| 1140 | const SkRect* bounds = NULL; |
| 1141 | if (paint && paint->canComputeFastBounds()) { |
| 1142 | bitmap.getBounds(&storage); |
| 1143 | matrix.mapRect(&storage); |
| 1144 | bounds = &paint->computeFastBounds(storage, &storage); |
| 1145 | } |
| 1146 | |
| 1147 | LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, bounds) |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1148 | |
| 1149 | while (iter.next()) { |
| 1150 | iter.fDevice->drawBitmap(iter, bitmap, matrix, looper.paint()); |
| 1151 | } |
| 1152 | |
| 1153 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1154 | } |
| 1155 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1156 | void SkCanvas::internalDrawDevice(SkBaseDevice* srcDev, int x, int y, |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1157 | const SkPaint* paint) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1158 | SkPaint tmp; |
| 1159 | if (NULL == paint) { |
| 1160 | tmp.setDither(true); |
| 1161 | paint = &tmp; |
| 1162 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1163 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1164 | LOOPER_BEGIN_DRAWDEVICE(*paint, SkDrawFilter::kBitmap_Type) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1165 | while (iter.next()) { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1166 | SkBaseDevice* dstDev = iter.fDevice; |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1167 | paint = &looper.paint(); |
| 1168 | SkImageFilter* filter = paint->getImageFilter(); |
| 1169 | SkIPoint pos = { x - iter.getX(), y - iter.getY() }; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1170 | if (filter && !dstDev->canHandleImageFilter(filter)) { |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 1171 | SkDeviceImageFilterProxy proxy(dstDev); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1172 | SkBitmap dst; |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1173 | SkIPoint offset = SkIPoint::Make(0, 0); |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 1174 | const SkBitmap& src = srcDev->accessBitmap(false); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1175 | SkMatrix matrix = *iter.fMatrix; |
senorblanco@chromium.org | d5424a4 | 2014-04-02 19:20:05 +0000 | [diff] [blame] | 1176 | matrix.postTranslate(SkIntToScalar(-pos.x()), SkIntToScalar(-pos.y())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1177 | SkIRect clipBounds = SkIRect::MakeWH(srcDev->width(), srcDev->height()); |
senorblanco | be129b2 | 2014-08-08 07:14:35 -0700 | [diff] [blame] | 1178 | SkAutoTUnref<SkImageFilter::Cache> cache(dstDev->getImageFilterCache()); |
senorblanco | 55b6d8b | 2014-07-30 11:26:46 -0700 | [diff] [blame] | 1179 | SkImageFilter::Context ctx(matrix, clipBounds, cache.get()); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1180 | if (filter->filterImage(&proxy, src, ctx, &dst, &offset)) { |
tomhudson@google.com | 5efe0cb | 2012-04-10 19:14:48 +0000 | [diff] [blame] | 1181 | SkPaint tmpUnfiltered(*paint); |
| 1182 | tmpUnfiltered.setImageFilter(NULL); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1183 | dstDev->drawSprite(iter, dst, pos.x() + offset.x(), pos.y() + offset.y(), |
| 1184 | tmpUnfiltered); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1185 | } |
| 1186 | } else { |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 1187 | dstDev->drawDevice(iter, srcDev, pos.x(), pos.y(), *paint); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1188 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1189 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1190 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1191 | } |
| 1192 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1193 | void SkCanvas::drawSprite(const SkBitmap& bitmap, int x, int y, |
| 1194 | const SkPaint* paint) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1195 | if (bitmap.drawsNothing()) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1196 | return; |
| 1197 | } |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1198 | SkDEBUGCODE(bitmap.validate();) |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1199 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1200 | SkPaint tmp; |
| 1201 | if (NULL == paint) { |
| 1202 | paint = &tmp; |
| 1203 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1204 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1205 | LOOPER_BEGIN_DRAWDEVICE(*paint, SkDrawFilter::kBitmap_Type) |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1206 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1207 | while (iter.next()) { |
| 1208 | paint = &looper.paint(); |
| 1209 | SkImageFilter* filter = paint->getImageFilter(); |
| 1210 | SkIPoint pos = { x - iter.getX(), y - iter.getY() }; |
| 1211 | if (filter && !iter.fDevice->canHandleImageFilter(filter)) { |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 1212 | SkDeviceImageFilterProxy proxy(iter.fDevice); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1213 | SkBitmap dst; |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1214 | SkIPoint offset = SkIPoint::Make(0, 0); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1215 | SkMatrix matrix = *iter.fMatrix; |
senorblanco@chromium.org | d5424a4 | 2014-04-02 19:20:05 +0000 | [diff] [blame] | 1216 | matrix.postTranslate(SkIntToScalar(-pos.x()), SkIntToScalar(-pos.y())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1217 | SkIRect clipBounds = SkIRect::MakeWH(bitmap.width(), bitmap.height()); |
senorblanco | be129b2 | 2014-08-08 07:14:35 -0700 | [diff] [blame] | 1218 | SkAutoTUnref<SkImageFilter::Cache> cache(iter.fDevice->getImageFilterCache()); |
senorblanco | 55b6d8b | 2014-07-30 11:26:46 -0700 | [diff] [blame] | 1219 | SkImageFilter::Context ctx(matrix, clipBounds, cache.get()); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1220 | if (filter->filterImage(&proxy, bitmap, ctx, &dst, &offset)) { |
tomhudson@google.com | 5efe0cb | 2012-04-10 19:14:48 +0000 | [diff] [blame] | 1221 | SkPaint tmpUnfiltered(*paint); |
| 1222 | tmpUnfiltered.setImageFilter(NULL); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1223 | 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] | 1224 | tmpUnfiltered); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1225 | } |
| 1226 | } else { |
| 1227 | iter.fDevice->drawSprite(iter, bitmap, pos.x(), pos.y(), *paint); |
| 1228 | } |
| 1229 | } |
| 1230 | LOOPER_END |
| 1231 | } |
| 1232 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1233 | ///////////////////////////////////////////////////////////////////////////// |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1234 | void SkCanvas::translate(SkScalar dx, SkScalar dy) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1235 | SkMatrix m; |
| 1236 | m.setTranslate(dx, dy); |
| 1237 | this->concat(m); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1238 | } |
| 1239 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1240 | void SkCanvas::scale(SkScalar sx, SkScalar sy) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1241 | SkMatrix m; |
| 1242 | m.setScale(sx, sy); |
| 1243 | this->concat(m); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1244 | } |
| 1245 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1246 | void SkCanvas::rotate(SkScalar degrees) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1247 | SkMatrix m; |
| 1248 | m.setRotate(degrees); |
| 1249 | this->concat(m); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1250 | } |
| 1251 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1252 | void SkCanvas::skew(SkScalar sx, SkScalar sy) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1253 | SkMatrix m; |
| 1254 | m.setSkew(sx, sy); |
| 1255 | this->concat(m); |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1256 | } |
| 1257 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1258 | void SkCanvas::concat(const SkMatrix& matrix) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1259 | if (matrix.isIdentity()) { |
| 1260 | return; |
| 1261 | } |
| 1262 | |
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) { |
| 1271 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1272 | fCachedLocalClipBoundsDirty = true; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1273 | fMCRec->fMatrix = matrix; |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1274 | this->didSetMatrix(matrix); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1275 | } |
| 1276 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1277 | void SkCanvas::resetMatrix() { |
| 1278 | SkMatrix matrix; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1279 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1280 | matrix.reset(); |
| 1281 | this->setMatrix(matrix); |
| 1282 | } |
| 1283 | |
| 1284 | ////////////////////////////////////////////////////////////////////////////// |
| 1285 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1286 | void SkCanvas::clipRect(const SkRect& rect, SkRegion::Op op, bool doAA) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1287 | ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle; |
| 1288 | this->onClipRect(rect, op, edgeStyle); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1289 | } |
| 1290 | |
| 1291 | void SkCanvas::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1292 | #ifdef SK_ENABLE_CLIP_QUICKREJECT |
| 1293 | if (SkRegion::kIntersect_Op == op) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1294 | if (fMCRec->fRasterClip.isEmpty()) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1295 | return false; |
| 1296 | } |
| 1297 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1298 | if (this->quickReject(rect)) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1299 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1300 | fCachedLocalClipBoundsDirty = true; |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1301 | |
| 1302 | fClipStack.clipEmpty(); |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1303 | return fMCRec->fRasterClip.setEmpty(); |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1304 | } |
| 1305 | } |
| 1306 | #endif |
| 1307 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1308 | AutoValidateClip avc(this); |
| 1309 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1310 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1311 | fCachedLocalClipBoundsDirty = true; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1312 | if (!fAllowSoftClip) { |
| 1313 | edgeStyle = kHard_ClipEdgeStyle; |
| 1314 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1315 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1316 | if (fMCRec->fMatrix.rectStaysRect()) { |
robertphillips@google.com | 1236719 | 2013-10-20 13:11:16 +0000 | [diff] [blame] | 1317 | // 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] | 1318 | // the matrix. This means we don't have to a) make a path, and b) tell |
| 1319 | // the region code to scan-convert the path, only to discover that it |
| 1320 | // is really just a rect. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1321 | SkRect r; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1322 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1323 | fMCRec->fMatrix.mapRect(&r, rect); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1324 | fClipStack.clipDevRect(r, op, kSoft_ClipEdgeStyle == edgeStyle); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 1325 | fMCRec->fRasterClip.op(r, this->getBaseLayerSize(), op, kSoft_ClipEdgeStyle == edgeStyle); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1326 | } else { |
robertphillips@google.com | 1236719 | 2013-10-20 13:11:16 +0000 | [diff] [blame] | 1327 | // 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] | 1328 | // and clip against that, since it can handle any matrix. However, to |
| 1329 | // avoid recursion in the case where we are subclassed (e.g. Pictures) |
| 1330 | // we explicitly call "our" version of clipPath. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1331 | SkPath path; |
| 1332 | |
| 1333 | path.addRect(rect); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1334 | this->SkCanvas::onClipPath(path, op, edgeStyle); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1335 | } |
| 1336 | } |
| 1337 | |
reed | 73e714e | 2014-09-04 09:02:23 -0700 | [diff] [blame] | 1338 | static void rasterclip_path(SkRasterClip* rc, const SkCanvas* canvas, const SkPath& devPath, |
| 1339 | SkRegion::Op op, bool doAA) { |
reed | d64c948 | 2014-09-05 17:37:38 -0700 | [diff] [blame] | 1340 | rc->op(devPath, canvas->getBaseLayerSize(), op, doAA); |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1341 | } |
| 1342 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1343 | void SkCanvas::clipRRect(const SkRRect& rrect, SkRegion::Op op, bool doAA) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1344 | ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1345 | if (rrect.isRect()) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1346 | this->onClipRect(rrect.getBounds(), op, edgeStyle); |
| 1347 | } else { |
| 1348 | this->onClipRRect(rrect, op, edgeStyle); |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1349 | } |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1350 | } |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1351 | |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1352 | 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] | 1353 | SkRRect transformedRRect; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1354 | if (rrect.transform(fMCRec->fMatrix, &transformedRRect)) { |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1355 | AutoValidateClip avc(this); |
| 1356 | |
| 1357 | fDeviceCMDirty = true; |
| 1358 | fCachedLocalClipBoundsDirty = true; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1359 | if (!fAllowSoftClip) { |
| 1360 | edgeStyle = kHard_ClipEdgeStyle; |
| 1361 | } |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1362 | |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1363 | fClipStack.clipDevRRect(transformedRRect, op, kSoft_ClipEdgeStyle == edgeStyle); |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1364 | |
| 1365 | SkPath devPath; |
| 1366 | devPath.addRRect(transformedRRect); |
| 1367 | |
reed | 73e714e | 2014-09-04 09:02:23 -0700 | [diff] [blame] | 1368 | rasterclip_path(&fMCRec->fRasterClip, this, devPath, op, kSoft_ClipEdgeStyle == edgeStyle); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1369 | return; |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1370 | } |
| 1371 | |
| 1372 | SkPath path; |
| 1373 | path.addRRect(rrect); |
| 1374 | // call the non-virtual version |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1375 | this->SkCanvas::onClipPath(path, op, edgeStyle); |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1376 | } |
| 1377 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1378 | void SkCanvas::clipPath(const SkPath& path, SkRegion::Op op, bool doAA) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1379 | ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle; |
| 1380 | SkRect r; |
| 1381 | if (!path.isInverseFillType() && path.isRect(&r)) { |
| 1382 | this->onClipRect(r, op, edgeStyle); |
| 1383 | } else { |
| 1384 | this->onClipPath(path, op, edgeStyle); |
| 1385 | } |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1386 | } |
| 1387 | |
| 1388 | void SkCanvas::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1389 | #ifdef SK_ENABLE_CLIP_QUICKREJECT |
| 1390 | if (SkRegion::kIntersect_Op == op && !path.isInverseFillType()) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1391 | if (fMCRec->fRasterClip.isEmpty()) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1392 | return false; |
| 1393 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1394 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1395 | if (this->quickReject(path.getBounds())) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1396 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1397 | fCachedLocalClipBoundsDirty = true; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1398 | |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1399 | fClipStack.clipEmpty(); |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1400 | return fMCRec->fRasterClip.setEmpty(); |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1401 | } |
| 1402 | } |
| 1403 | #endif |
| 1404 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1405 | AutoValidateClip avc(this); |
| 1406 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1407 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1408 | fCachedLocalClipBoundsDirty = true; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1409 | if (!fAllowSoftClip) { |
| 1410 | edgeStyle = kHard_ClipEdgeStyle; |
| 1411 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1412 | |
| 1413 | SkPath devPath; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1414 | path.transform(fMCRec->fMatrix, &devPath); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1415 | |
reed@google.com | fe70112 | 2011-11-08 19:41:23 +0000 | [diff] [blame] | 1416 | // Check if the transfomation, or the original path itself |
| 1417 | // made us empty. Note this can also happen if we contained NaN |
| 1418 | // values. computing the bounds detects this, and will set our |
| 1419 | // bounds to empty if that is the case. (see SkRect::set(pts, count)) |
| 1420 | if (devPath.getBounds().isEmpty()) { |
| 1421 | // resetting the path will remove any NaN or other wanky values |
| 1422 | // that might upset our scan converter. |
| 1423 | devPath.reset(); |
| 1424 | } |
| 1425 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1426 | // 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] | 1427 | fClipStack.clipDevPath(devPath, op, kSoft_ClipEdgeStyle == edgeStyle); |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1428 | |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1429 | if (fAllowSimplifyClip) { |
| 1430 | devPath.reset(); |
| 1431 | devPath.setFillType(SkPath::kInverseEvenOdd_FillType); |
| 1432 | const SkClipStack* clipStack = getClipStack(); |
| 1433 | SkClipStack::Iter iter(*clipStack, SkClipStack::Iter::kBottom_IterStart); |
| 1434 | const SkClipStack::Element* element; |
| 1435 | while ((element = iter.next())) { |
| 1436 | SkClipStack::Element::Type type = element->getType(); |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1437 | SkPath operand; |
commit-bot@chromium.org | 2a67e12 | 2014-05-19 13:53:10 +0000 | [diff] [blame] | 1438 | if (type != SkClipStack::Element::kEmpty_Type) { |
| 1439 | element->asPath(&operand); |
| 1440 | } |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1441 | SkRegion::Op elementOp = element->getOp(); |
| 1442 | if (elementOp == SkRegion::kReplace_Op) { |
| 1443 | devPath = operand; |
| 1444 | } else { |
| 1445 | Op(devPath, operand, (SkPathOp) elementOp, &devPath); |
| 1446 | } |
caryclark@google.com | 96fd344 | 2013-05-07 19:48:31 +0000 | [diff] [blame] | 1447 | // if the prev and curr clips disagree about aa -vs- not, favor the aa request. |
| 1448 | // perhaps we need an API change to avoid this sort of mixed-signals about |
| 1449 | // clipping. |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1450 | if (element->isAA()) { |
| 1451 | edgeStyle = kSoft_ClipEdgeStyle; |
| 1452 | } |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1453 | } |
| 1454 | op = SkRegion::kReplace_Op; |
| 1455 | } |
| 1456 | |
reed | 73e714e | 2014-09-04 09:02:23 -0700 | [diff] [blame] | 1457 | rasterclip_path(&fMCRec->fRasterClip, this, devPath, op, edgeStyle); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1458 | } |
| 1459 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1460 | void SkCanvas::clipRegion(const SkRegion& rgn, SkRegion::Op op) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1461 | this->onClipRegion(rgn, op); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1462 | } |
| 1463 | |
| 1464 | void SkCanvas::onClipRegion(const SkRegion& rgn, SkRegion::Op op) { |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1465 | AutoValidateClip avc(this); |
| 1466 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1467 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1468 | fCachedLocalClipBoundsDirty = true; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1469 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1470 | // todo: signal fClipStack that we have a region, and therefore (I guess) |
| 1471 | // we have to ignore it, and use the region directly? |
reed@google.com | 115d931 | 2012-05-16 18:50:40 +0000 | [diff] [blame] | 1472 | fClipStack.clipDevRect(rgn.getBounds(), op); |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1473 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1474 | fMCRec->fRasterClip.op(rgn, op); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1475 | } |
| 1476 | |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1477 | #ifdef SK_DEBUG |
| 1478 | void SkCanvas::validateClip() const { |
| 1479 | // construct clipRgn from the clipstack |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1480 | const SkBaseDevice* device = this->getDevice(); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 1481 | if (!device) { |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1482 | SkASSERT(this->isClipEmpty()); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 1483 | return; |
| 1484 | } |
| 1485 | |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1486 | SkIRect ir; |
| 1487 | ir.set(0, 0, device->width(), device->height()); |
reed | d954498 | 2014-09-09 18:46:22 -0700 | [diff] [blame^] | 1488 | SkRasterClip tmpClip(ir, fConservativeRasterClip); |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1489 | |
robertphillips@google.com | 80214e2 | 2012-07-20 15:33:18 +0000 | [diff] [blame] | 1490 | SkClipStack::B2TIter iter(fClipStack); |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1491 | const SkClipStack::Element* element; |
| 1492 | while ((element = iter.next()) != NULL) { |
| 1493 | switch (element->getType()) { |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1494 | case SkClipStack::Element::kRect_Type: |
| 1495 | element->getRect().round(&ir); |
| 1496 | tmpClip.op(ir, element->getOp()); |
| 1497 | break; |
| 1498 | case SkClipStack::Element::kEmpty_Type: |
| 1499 | tmpClip.setEmpty(); |
| 1500 | break; |
commit-bot@chromium.org | 9cb671a | 2014-02-16 14:45:45 +0000 | [diff] [blame] | 1501 | default: { |
| 1502 | SkPath path; |
| 1503 | element->asPath(&path); |
reed | 73e714e | 2014-09-04 09:02:23 -0700 | [diff] [blame] | 1504 | rasterclip_path(&tmpClip, this, path, element->getOp(), element->isAA()); |
commit-bot@chromium.org | 9cb671a | 2014-02-16 14:45:45 +0000 | [diff] [blame] | 1505 | break; |
| 1506 | } |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1507 | } |
| 1508 | } |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1509 | } |
| 1510 | #endif |
| 1511 | |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 1512 | void SkCanvas::replayClips(ClipVisitor* visitor) const { |
robertphillips@google.com | 80214e2 | 2012-07-20 15:33:18 +0000 | [diff] [blame] | 1513 | SkClipStack::B2TIter iter(fClipStack); |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1514 | const SkClipStack::Element* element; |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 1515 | |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1516 | while ((element = iter.next()) != NULL) { |
fmalita | c3b589a | 2014-06-05 12:40:07 -0700 | [diff] [blame] | 1517 | element->replay(visitor); |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 1518 | } |
| 1519 | } |
| 1520 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1521 | /////////////////////////////////////////////////////////////////////////////// |
| 1522 | |
reed@google.com | 754de5f | 2014-02-24 19:38:20 +0000 | [diff] [blame] | 1523 | bool SkCanvas::isClipEmpty() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1524 | return fMCRec->fRasterClip.isEmpty(); |
reed@google.com | 754de5f | 2014-02-24 19:38:20 +0000 | [diff] [blame] | 1525 | } |
| 1526 | |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1527 | bool SkCanvas::isClipRect() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1528 | return fMCRec->fRasterClip.isRect(); |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1529 | } |
| 1530 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1531 | bool SkCanvas::quickReject(const SkRect& rect) const { |
reed@google.com | 1607863 | 2011-12-06 18:56:37 +0000 | [diff] [blame] | 1532 | if (!rect.isFinite()) |
wjmaclean@chromium.org | 116b2bc | 2011-02-07 17:48:37 +0000 | [diff] [blame] | 1533 | return true; |
| 1534 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1535 | if (fMCRec->fRasterClip.isEmpty()) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1536 | return true; |
| 1537 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1538 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1539 | if (fMCRec->fMatrix.hasPerspective()) { |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1540 | SkRect dst; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1541 | fMCRec->fMatrix.mapRect(&dst, rect); |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1542 | SkIRect idst; |
| 1543 | dst.roundOut(&idst); |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1544 | return !SkIRect::Intersects(idst, fMCRec->fRasterClip.getBounds()); |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1545 | } else { |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1546 | const SkRect& clipR = this->getLocalClipBounds(); |
reed@android.com | d252db0 | 2009-04-01 18:31:44 +0000 | [diff] [blame] | 1547 | |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1548 | // for speed, do the most likely reject compares first |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1549 | // TODO: should we use | instead, or compare all 4 at once? |
| 1550 | if (rect.fTop >= clipR.fBottom || rect.fBottom <= clipR.fTop) { |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1551 | return true; |
| 1552 | } |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1553 | if (rect.fLeft >= clipR.fRight || rect.fRight <= clipR.fLeft) { |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1554 | return true; |
| 1555 | } |
| 1556 | return false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1557 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1558 | } |
| 1559 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1560 | bool SkCanvas::quickReject(const SkPath& path) const { |
| 1561 | return path.isEmpty() || this->quickReject(path.getBounds()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1562 | } |
| 1563 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1564 | bool SkCanvas::getClipBounds(SkRect* bounds) const { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1565 | SkIRect ibounds; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1566 | if (!this->getClipDeviceBounds(&ibounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1567 | return false; |
| 1568 | } |
| 1569 | |
reed@android.com | d9c0f0b | 2009-02-06 22:39:37 +0000 | [diff] [blame] | 1570 | SkMatrix inverse; |
| 1571 | // 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] | 1572 | if (!fMCRec->fMatrix.invert(&inverse)) { |
reed@android.com | 72dcd3a | 2009-05-18 15:46:29 +0000 | [diff] [blame] | 1573 | if (bounds) { |
| 1574 | bounds->setEmpty(); |
| 1575 | } |
reed@android.com | d9c0f0b | 2009-02-06 22:39:37 +0000 | [diff] [blame] | 1576 | return false; |
| 1577 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1578 | |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 1579 | if (bounds) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1580 | SkRect r; |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1581 | // adjust it outwards in case we are antialiasing |
| 1582 | const int inset = 1; |
reed@google.com | fa4d5bd | 2012-01-30 17:36:27 +0000 | [diff] [blame] | 1583 | |
reed@google.com | 8f4d230 | 2013-12-17 16:44:46 +0000 | [diff] [blame] | 1584 | r.iset(ibounds.fLeft - inset, ibounds.fTop - inset, |
| 1585 | ibounds.fRight + inset, ibounds.fBottom + inset); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1586 | inverse.mapRect(bounds, r); |
| 1587 | } |
| 1588 | return true; |
| 1589 | } |
| 1590 | |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1591 | bool SkCanvas::getClipDeviceBounds(SkIRect* bounds) const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1592 | const SkRasterClip& clip = fMCRec->fRasterClip; |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1593 | if (clip.isEmpty()) { |
| 1594 | if (bounds) { |
| 1595 | bounds->setEmpty(); |
| 1596 | } |
| 1597 | return false; |
| 1598 | } |
| 1599 | |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 1600 | if (bounds) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1601 | *bounds = clip.getBounds(); |
| 1602 | } |
| 1603 | return true; |
| 1604 | } |
| 1605 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1606 | const SkMatrix& SkCanvas::getTotalMatrix() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1607 | return fMCRec->fMatrix; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1608 | } |
| 1609 | |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1610 | const SkRegion& SkCanvas::internal_private_getTotalClip() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1611 | return fMCRec->fRasterClip.forceGetBW(); |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1612 | } |
| 1613 | |
reed@google.com | 9c135db | 2014-03-12 18:28:35 +0000 | [diff] [blame] | 1614 | GrRenderTarget* SkCanvas::internal_private_accessTopLayerRenderTarget() { |
| 1615 | SkBaseDevice* dev = this->getTopDevice(); |
| 1616 | return dev ? dev->accessRenderTarget() : NULL; |
| 1617 | } |
| 1618 | |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 1619 | SkBaseDevice* SkCanvas::createLayerDevice(const SkImageInfo& info) { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1620 | SkBaseDevice* device = this->getTopDevice(); |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 1621 | return device ? device->createCompatibleDeviceForSaveLayer(info) : NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1622 | } |
| 1623 | |
commit-bot@chromium.org | 644629c | 2013-11-21 06:21:58 +0000 | [diff] [blame] | 1624 | GrContext* SkCanvas::getGrContext() { |
| 1625 | #if SK_SUPPORT_GPU |
| 1626 | SkBaseDevice* device = this->getTopDevice(); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 1627 | if (device) { |
commit-bot@chromium.org | 644629c | 2013-11-21 06:21:58 +0000 | [diff] [blame] | 1628 | GrRenderTarget* renderTarget = device->accessRenderTarget(); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 1629 | if (renderTarget) { |
commit-bot@chromium.org | 644629c | 2013-11-21 06:21:58 +0000 | [diff] [blame] | 1630 | return renderTarget->getContext(); |
| 1631 | } |
| 1632 | } |
| 1633 | #endif |
| 1634 | |
| 1635 | return NULL; |
| 1636 | |
| 1637 | } |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 1638 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1639 | void SkCanvas::drawDRRect(const SkRRect& outer, const SkRRect& inner, |
| 1640 | const SkPaint& paint) { |
| 1641 | if (outer.isEmpty()) { |
| 1642 | return; |
| 1643 | } |
| 1644 | if (inner.isEmpty()) { |
| 1645 | this->drawRRect(outer, paint); |
| 1646 | return; |
| 1647 | } |
| 1648 | |
| 1649 | // We don't have this method (yet), but technically this is what we should |
| 1650 | // be able to assert... |
| 1651 | // SkASSERT(outer.contains(inner)); |
| 1652 | // |
| 1653 | // For now at least check for containment of bounds |
| 1654 | SkASSERT(outer.getBounds().contains(inner.getBounds())); |
| 1655 | |
| 1656 | this->onDrawDRRect(outer, inner, paint); |
| 1657 | } |
| 1658 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1659 | ////////////////////////////////////////////////////////////////////////////// |
| 1660 | // These are the virtual drawing methods |
| 1661 | ////////////////////////////////////////////////////////////////////////////// |
| 1662 | |
reed@google.com | 2a98181 | 2011-04-14 18:59:28 +0000 | [diff] [blame] | 1663 | void SkCanvas::clear(SkColor color) { |
| 1664 | SkDrawIter iter(this); |
junov@chromium.org | 995beb6 | 2013-03-28 13:49:22 +0000 | [diff] [blame] | 1665 | this->predrawNotify(); |
reed@google.com | 2a98181 | 2011-04-14 18:59:28 +0000 | [diff] [blame] | 1666 | while (iter.next()) { |
| 1667 | iter.fDevice->clear(color); |
| 1668 | } |
| 1669 | } |
| 1670 | |
commit-bot@chromium.org | 28361fa | 2014-03-28 16:08:05 +0000 | [diff] [blame] | 1671 | void SkCanvas::onDiscard() { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 1672 | if (fSurfaceBase) { |
commit-bot@chromium.org | 28361fa | 2014-03-28 16:08:05 +0000 | [diff] [blame] | 1673 | fSurfaceBase->aboutToDraw(SkSurface::kDiscard_ContentChangeMode); |
| 1674 | } |
| 1675 | } |
| 1676 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1677 | void SkCanvas::drawPaint(const SkPaint& paint) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1678 | this->internalDrawPaint(paint); |
| 1679 | } |
| 1680 | |
| 1681 | void SkCanvas::internalDrawPaint(const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1682 | LOOPER_BEGIN(paint, SkDrawFilter::kPaint_Type, NULL) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1683 | |
| 1684 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1685 | iter.fDevice->drawPaint(iter, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1686 | } |
| 1687 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1688 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1689 | } |
| 1690 | |
| 1691 | void SkCanvas::drawPoints(PointMode mode, size_t count, const SkPoint pts[], |
| 1692 | const SkPaint& paint) { |
| 1693 | if ((long)count <= 0) { |
| 1694 | return; |
| 1695 | } |
| 1696 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1697 | SkRect r, storage; |
| 1698 | const SkRect* bounds = NULL; |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1699 | if (paint.canComputeFastBounds()) { |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1700 | // special-case 2 points (common for drawing a single line) |
| 1701 | if (2 == count) { |
| 1702 | r.set(pts[0], pts[1]); |
| 1703 | } else { |
commit-bot@chromium.org | a8c7f77 | 2014-01-24 21:46:29 +0000 | [diff] [blame] | 1704 | r.set(pts, SkToInt(count)); |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1705 | } |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1706 | bounds = &paint.computeFastStrokeBounds(r, &storage); |
| 1707 | if (this->quickReject(*bounds)) { |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1708 | return; |
| 1709 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1710 | } |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1711 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1712 | SkASSERT(pts != NULL); |
| 1713 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1714 | LOOPER_BEGIN(paint, SkDrawFilter::kPoint_Type, bounds) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1715 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1716 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1717 | iter.fDevice->drawPoints(iter, mode, count, pts, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1718 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1719 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1720 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1721 | } |
| 1722 | |
bsalomon@google.com | 7ce564c | 2013-10-22 16:54:15 +0000 | [diff] [blame] | 1723 | void SkCanvas::drawRect(const SkRect& r, const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1724 | SkRect storage; |
| 1725 | const SkRect* bounds = NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1726 | if (paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1727 | bounds = &paint.computeFastBounds(r, &storage); |
| 1728 | if (this->quickReject(*bounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1729 | return; |
| 1730 | } |
| 1731 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1732 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1733 | LOOPER_BEGIN(paint, SkDrawFilter::kRect_Type, bounds) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1734 | |
| 1735 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1736 | iter.fDevice->drawRect(iter, r, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1737 | } |
| 1738 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1739 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1740 | } |
| 1741 | |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1742 | void SkCanvas::drawOval(const SkRect& oval, const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1743 | SkRect storage; |
| 1744 | const SkRect* bounds = NULL; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1745 | if (paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1746 | bounds = &paint.computeFastBounds(oval, &storage); |
| 1747 | if (this->quickReject(*bounds)) { |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1748 | return; |
| 1749 | } |
| 1750 | } |
skia.committer@gmail.com | 306ab9d | 2012-12-13 02:01:33 +0000 | [diff] [blame] | 1751 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1752 | LOOPER_BEGIN(paint, SkDrawFilter::kOval_Type, bounds) |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1753 | |
| 1754 | while (iter.next()) { |
| 1755 | iter.fDevice->drawOval(iter, oval, looper.paint()); |
| 1756 | } |
| 1757 | |
| 1758 | LOOPER_END |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1759 | } |
| 1760 | |
| 1761 | void SkCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1762 | SkRect storage; |
| 1763 | const SkRect* bounds = NULL; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1764 | if (paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1765 | bounds = &paint.computeFastBounds(rrect.getBounds(), &storage); |
| 1766 | if (this->quickReject(*bounds)) { |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1767 | return; |
| 1768 | } |
| 1769 | } |
| 1770 | |
| 1771 | if (rrect.isRect()) { |
| 1772 | // call the non-virtual version |
| 1773 | this->SkCanvas::drawRect(rrect.getBounds(), paint); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1774 | return; |
| 1775 | } else if (rrect.isOval()) { |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1776 | // call the non-virtual version |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1777 | this->SkCanvas::drawOval(rrect.getBounds(), paint); |
| 1778 | return; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1779 | } |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1780 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1781 | LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, bounds) |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1782 | |
| 1783 | while (iter.next()) { |
| 1784 | iter.fDevice->drawRRect(iter, rrect, looper.paint()); |
| 1785 | } |
| 1786 | |
| 1787 | LOOPER_END |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1788 | } |
| 1789 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1790 | void SkCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, |
| 1791 | const SkPaint& paint) { |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1792 | SkRect storage; |
| 1793 | const SkRect* bounds = NULL; |
| 1794 | if (paint.canComputeFastBounds()) { |
| 1795 | bounds = &paint.computeFastBounds(outer.getBounds(), &storage); |
| 1796 | if (this->quickReject(*bounds)) { |
| 1797 | return; |
| 1798 | } |
| 1799 | } |
skia.committer@gmail.com | 25c7127 | 2014-02-21 03:02:02 +0000 | [diff] [blame] | 1800 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1801 | LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, bounds) |
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 | while (iter.next()) { |
| 1804 | iter.fDevice->drawDRRect(iter, outer, inner, looper.paint()); |
| 1805 | } |
skia.committer@gmail.com | 25c7127 | 2014-02-21 03:02:02 +0000 | [diff] [blame] | 1806 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1807 | LOOPER_END |
| 1808 | } |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1809 | |
bsalomon@google.com | 7ce564c | 2013-10-22 16:54:15 +0000 | [diff] [blame] | 1810 | void SkCanvas::drawPath(const SkPath& path, const SkPaint& paint) { |
reed@google.com | 9364511 | 2012-07-26 16:11:47 +0000 | [diff] [blame] | 1811 | if (!path.isFinite()) { |
| 1812 | return; |
| 1813 | } |
| 1814 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1815 | SkRect storage; |
| 1816 | const SkRect* bounds = NULL; |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1817 | if (!path.isInverseFillType() && paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1818 | const SkRect& pathBounds = path.getBounds(); |
| 1819 | bounds = &paint.computeFastBounds(pathBounds, &storage); |
| 1820 | if (this->quickReject(*bounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1821 | return; |
| 1822 | } |
| 1823 | } |
commit-bot@chromium.org | 0b45dc4 | 2014-02-21 05:42:57 +0000 | [diff] [blame] | 1824 | |
| 1825 | const SkRect& r = path.getBounds(); |
| 1826 | if (r.width() <= 0 && r.height() <= 0) { |
commit-bot@chromium.org | 6803c21 | 2014-05-04 18:08:27 +0000 | [diff] [blame] | 1827 | if (path.isInverseFillType()) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1828 | this->internalDrawPaint(paint); |
| 1829 | } |
| 1830 | return; |
| 1831 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1832 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1833 | LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, bounds) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1834 | |
| 1835 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1836 | iter.fDevice->drawPath(iter, path, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1837 | } |
| 1838 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1839 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1840 | } |
| 1841 | |
| 1842 | void SkCanvas::drawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y, |
| 1843 | const SkPaint* paint) { |
| 1844 | SkDEBUGCODE(bitmap.validate();) |
| 1845 | |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1846 | if (NULL == paint || paint->canComputeFastBounds()) { |
reed@google.com | 9efd9a0 | 2012-01-30 15:41:43 +0000 | [diff] [blame] | 1847 | SkRect bounds = { |
| 1848 | x, y, |
| 1849 | x + SkIntToScalar(bitmap.width()), |
| 1850 | y + SkIntToScalar(bitmap.height()) |
| 1851 | }; |
| 1852 | if (paint) { |
| 1853 | (void)paint->computeFastBounds(bounds, &bounds); |
| 1854 | } |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1855 | if (this->quickReject(bounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1856 | return; |
| 1857 | } |
| 1858 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1859 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1860 | SkMatrix matrix; |
| 1861 | matrix.setTranslate(x, y); |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1862 | this->internalDrawBitmap(bitmap, matrix, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1863 | } |
| 1864 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1865 | // 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] | 1866 | void SkCanvas::internalDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1867 | const SkRect& dst, const SkPaint* paint, |
| 1868 | DrawBitmapRectFlags flags) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1869 | if (bitmap.drawsNothing() || dst.isEmpty()) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1870 | return; |
| 1871 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 1872 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1873 | SkRect storage; |
| 1874 | const SkRect* bounds = &dst; |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1875 | if (NULL == paint || paint->canComputeFastBounds()) { |
reed@google.com | 9efd9a0 | 2012-01-30 15:41:43 +0000 | [diff] [blame] | 1876 | if (paint) { |
| 1877 | bounds = &paint->computeFastBounds(dst, &storage); |
| 1878 | } |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1879 | if (this->quickReject(*bounds)) { |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1880 | return; |
| 1881 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1882 | } |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1883 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1884 | SkLazyPaint lazy; |
| 1885 | if (NULL == paint) { |
| 1886 | paint = lazy.init(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1887 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 1888 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1889 | LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, bounds) |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 1890 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1891 | while (iter.next()) { |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1892 | iter.fDevice->drawBitmapRect(iter, bitmap, src, dst, looper.paint(), flags); |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 1893 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 1894 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1895 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1896 | } |
| 1897 | |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1898 | void SkCanvas::drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1899 | const SkRect& dst, const SkPaint* paint, |
| 1900 | DrawBitmapRectFlags flags) { |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1901 | SkDEBUGCODE(bitmap.validate();) |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1902 | this->internalDrawBitmapRect(bitmap, src, dst, paint, flags); |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1903 | } |
| 1904 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1905 | void SkCanvas::drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& matrix, |
| 1906 | const SkPaint* paint) { |
| 1907 | SkDEBUGCODE(bitmap.validate();) |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1908 | this->internalDrawBitmap(bitmap, matrix, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1909 | } |
| 1910 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1911 | void SkCanvas::internalDrawBitmapNine(const SkBitmap& bitmap, |
| 1912 | const SkIRect& center, const SkRect& dst, |
| 1913 | const SkPaint* paint) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1914 | if (bitmap.drawsNothing()) { |
| 1915 | return; |
| 1916 | } |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1917 | if (NULL == paint || paint->canComputeFastBounds()) { |
djsollen@google.com | 60abb07 | 2012-02-15 18:49:15 +0000 | [diff] [blame] | 1918 | SkRect storage; |
| 1919 | const SkRect* bounds = &dst; |
| 1920 | if (paint) { |
| 1921 | bounds = &paint->computeFastBounds(dst, &storage); |
| 1922 | } |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1923 | if (this->quickReject(*bounds)) { |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1924 | return; |
| 1925 | } |
| 1926 | } |
| 1927 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1928 | const int32_t w = bitmap.width(); |
| 1929 | const int32_t h = bitmap.height(); |
| 1930 | |
| 1931 | SkIRect c = center; |
| 1932 | // pin center to the bounds of the bitmap |
| 1933 | c.fLeft = SkMax32(0, center.fLeft); |
| 1934 | c.fTop = SkMax32(0, center.fTop); |
| 1935 | c.fRight = SkPin32(center.fRight, c.fLeft, w); |
| 1936 | c.fBottom = SkPin32(center.fBottom, c.fTop, h); |
| 1937 | |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1938 | const SkScalar srcX[4] = { |
rmistry@google.com | 7d474f8 | 2013-01-02 22:03:54 +0000 | [diff] [blame] | 1939 | 0, SkIntToScalar(c.fLeft), SkIntToScalar(c.fRight), SkIntToScalar(w) |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1940 | }; |
| 1941 | const SkScalar srcY[4] = { |
rmistry@google.com | 7d474f8 | 2013-01-02 22:03:54 +0000 | [diff] [blame] | 1942 | 0, SkIntToScalar(c.fTop), SkIntToScalar(c.fBottom), SkIntToScalar(h) |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1943 | }; |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1944 | SkScalar dstX[4] = { |
| 1945 | dst.fLeft, dst.fLeft + SkIntToScalar(c.fLeft), |
| 1946 | dst.fRight - SkIntToScalar(w - c.fRight), dst.fRight |
| 1947 | }; |
| 1948 | SkScalar dstY[4] = { |
| 1949 | dst.fTop, dst.fTop + SkIntToScalar(c.fTop), |
| 1950 | dst.fBottom - SkIntToScalar(h - c.fBottom), dst.fBottom |
| 1951 | }; |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 1952 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1953 | if (dstX[1] > dstX[2]) { |
| 1954 | dstX[1] = dstX[0] + (dstX[3] - dstX[0]) * c.fLeft / (w - c.width()); |
| 1955 | dstX[2] = dstX[1]; |
| 1956 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 1957 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1958 | if (dstY[1] > dstY[2]) { |
| 1959 | dstY[1] = dstY[0] + (dstY[3] - dstY[0]) * c.fTop / (h - c.height()); |
| 1960 | dstY[2] = dstY[1]; |
| 1961 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 1962 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1963 | for (int y = 0; y < 3; y++) { |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1964 | SkRect s, d; |
| 1965 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1966 | s.fTop = srcY[y]; |
| 1967 | s.fBottom = srcY[y+1]; |
| 1968 | d.fTop = dstY[y]; |
| 1969 | d.fBottom = dstY[y+1]; |
| 1970 | for (int x = 0; x < 3; x++) { |
| 1971 | s.fLeft = srcX[x]; |
| 1972 | s.fRight = srcX[x+1]; |
| 1973 | d.fLeft = dstX[x]; |
| 1974 | d.fRight = dstX[x+1]; |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1975 | this->internalDrawBitmapRect(bitmap, &s, d, paint, |
robertphillips@google.com | 31acc11 | 2013-08-20 12:13:48 +0000 | [diff] [blame] | 1976 | kNone_DrawBitmapRectFlag); |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1977 | } |
| 1978 | } |
| 1979 | } |
| 1980 | |
| 1981 | void SkCanvas::drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, |
| 1982 | const SkRect& dst, const SkPaint* paint) { |
| 1983 | SkDEBUGCODE(bitmap.validate();) |
| 1984 | |
| 1985 | // Need a device entry-point, so gpu can use a mesh |
| 1986 | this->internalDrawBitmapNine(bitmap, center, dst, paint); |
| 1987 | } |
| 1988 | |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 1989 | class SkDeviceFilteredPaint { |
| 1990 | public: |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1991 | SkDeviceFilteredPaint(SkBaseDevice* device, const SkPaint& paint) { |
| 1992 | SkBaseDevice::TextFlags flags; |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 1993 | if (device->filterTextFlags(paint, &flags)) { |
reed@google.com | a076e9b | 2011-04-06 20:17:29 +0000 | [diff] [blame] | 1994 | SkPaint* newPaint = fLazy.set(paint); |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 1995 | newPaint->setFlags(flags.fFlags); |
| 1996 | newPaint->setHinting(flags.fHinting); |
| 1997 | fPaint = newPaint; |
| 1998 | } else { |
| 1999 | fPaint = &paint; |
| 2000 | } |
| 2001 | } |
| 2002 | |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2003 | const SkPaint& paint() const { return *fPaint; } |
| 2004 | |
| 2005 | private: |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 2006 | const SkPaint* fPaint; |
| 2007 | SkLazyPaint fLazy; |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2008 | }; |
| 2009 | |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2010 | void SkCanvas::DrawRect(const SkDraw& draw, const SkPaint& paint, |
| 2011 | const SkRect& r, SkScalar textSize) { |
epoger@google.com | 17b7894 | 2011-08-26 14:40:38 +0000 | [diff] [blame] | 2012 | if (paint.getStyle() == SkPaint::kFill_Style) { |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2013 | draw.fDevice->drawRect(draw, r, paint); |
| 2014 | } else { |
| 2015 | SkPaint p(paint); |
epoger@google.com | 17b7894 | 2011-08-26 14:40:38 +0000 | [diff] [blame] | 2016 | p.setStrokeWidth(SkScalarMul(textSize, paint.getStrokeWidth())); |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2017 | draw.fDevice->drawRect(draw, r, p); |
| 2018 | } |
| 2019 | } |
| 2020 | |
| 2021 | void SkCanvas::DrawTextDecorations(const SkDraw& draw, const SkPaint& paint, |
| 2022 | const char text[], size_t byteLength, |
| 2023 | SkScalar x, SkScalar y) { |
| 2024 | SkASSERT(byteLength == 0 || text != NULL); |
| 2025 | |
| 2026 | // nothing to draw |
| 2027 | if (text == NULL || byteLength == 0 || |
| 2028 | draw.fClip->isEmpty() || |
| 2029 | (paint.getAlpha() == 0 && paint.getXfermode() == NULL)) { |
| 2030 | return; |
| 2031 | } |
| 2032 | |
| 2033 | SkScalar width = 0; |
| 2034 | SkPoint start; |
| 2035 | |
| 2036 | start.set(0, 0); // to avoid warning |
| 2037 | if (paint.getFlags() & (SkPaint::kUnderlineText_Flag | |
| 2038 | SkPaint::kStrikeThruText_Flag)) { |
| 2039 | width = paint.measureText(text, byteLength); |
| 2040 | |
| 2041 | SkScalar offsetX = 0; |
| 2042 | if (paint.getTextAlign() == SkPaint::kCenter_Align) { |
| 2043 | offsetX = SkScalarHalf(width); |
| 2044 | } else if (paint.getTextAlign() == SkPaint::kRight_Align) { |
| 2045 | offsetX = width; |
| 2046 | } |
| 2047 | start.set(x - offsetX, y); |
| 2048 | } |
| 2049 | |
| 2050 | if (0 == width) { |
| 2051 | return; |
| 2052 | } |
| 2053 | |
| 2054 | uint32_t flags = paint.getFlags(); |
| 2055 | |
| 2056 | if (flags & (SkPaint::kUnderlineText_Flag | |
| 2057 | SkPaint::kStrikeThruText_Flag)) { |
| 2058 | SkScalar textSize = paint.getTextSize(); |
| 2059 | SkScalar height = SkScalarMul(textSize, kStdUnderline_Thickness); |
| 2060 | SkRect r; |
| 2061 | |
| 2062 | r.fLeft = start.fX; |
| 2063 | r.fRight = start.fX + width; |
| 2064 | |
| 2065 | if (flags & SkPaint::kUnderlineText_Flag) { |
| 2066 | SkScalar offset = SkScalarMulAdd(textSize, kStdUnderline_Offset, |
| 2067 | start.fY); |
| 2068 | r.fTop = offset; |
| 2069 | r.fBottom = offset + height; |
| 2070 | DrawRect(draw, paint, r, textSize); |
| 2071 | } |
| 2072 | if (flags & SkPaint::kStrikeThruText_Flag) { |
| 2073 | SkScalar offset = SkScalarMulAdd(textSize, kStdStrikeThru_Offset, |
| 2074 | start.fY); |
| 2075 | r.fTop = offset; |
| 2076 | r.fBottom = offset + height; |
| 2077 | DrawRect(draw, paint, r, textSize); |
| 2078 | } |
| 2079 | } |
| 2080 | } |
| 2081 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2082 | void SkCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| 2083 | const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2084 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2085 | |
| 2086 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2087 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2088 | iter.fDevice->drawText(iter, text, byteLength, x, y, dfp.paint()); |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2089 | DrawTextDecorations(iter, dfp.paint(), |
| 2090 | static_cast<const char*>(text), byteLength, x, y); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2091 | } |
| 2092 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2093 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2094 | } |
| 2095 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2096 | void SkCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| 2097 | const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2098 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 2099 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2100 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2101 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2102 | iter.fDevice->drawPosText(iter, text, byteLength, &pos->fX, 0, 2, |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2103 | dfp.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2104 | } |
skia.committer@gmail.com | b0430d0 | 2014-04-24 03:05:07 +0000 | [diff] [blame] | 2105 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2106 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2107 | } |
| 2108 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2109 | void SkCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| 2110 | SkScalar constY, const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2111 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 2112 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2113 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2114 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2115 | iter.fDevice->drawPosText(iter, text, byteLength, xpos, constY, 1, |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2116 | dfp.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2117 | } |
skia.committer@gmail.com | b0430d0 | 2014-04-24 03:05:07 +0000 | [diff] [blame] | 2118 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2119 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2120 | } |
| 2121 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2122 | void SkCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| 2123 | const SkMatrix* matrix, const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2124 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 2125 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2126 | while (iter.next()) { |
| 2127 | iter.fDevice->drawTextOnPath(iter, text, byteLength, path, |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2128 | matrix, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2129 | } |
skia.committer@gmail.com | b0430d0 | 2014-04-24 03:05:07 +0000 | [diff] [blame] | 2130 | |
commit-bot@chromium.org | 945ec3a | 2014-04-22 20:07:30 +0000 | [diff] [blame] | 2131 | LOOPER_END |
commit-bot@chromium.org | 4325d11 | 2014-04-22 19:03:02 +0000 | [diff] [blame] | 2132 | } |
| 2133 | |
fmalita | 00d5c2c | 2014-08-21 08:53:26 -0700 | [diff] [blame] | 2134 | void SkCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| 2135 | const SkPaint& paint) { |
fmalita | 7ba7aa7 | 2014-08-29 09:46:36 -0700 | [diff] [blame] | 2136 | |
| 2137 | // FIXME: temporarily disable quickreject for empty bounds, |
| 2138 | // pending implicit blob bounds implementation. |
| 2139 | if (!blob->bounds().isEmpty() && paint.canComputeFastBounds()) { |
| 2140 | SkRect storage; |
| 2141 | |
| 2142 | if (this->quickReject(paint.computeFastBounds(blob->bounds().makeOffset(x, y), &storage))) { |
| 2143 | return; |
| 2144 | } |
| 2145 | } |
| 2146 | |
fmalita | aa1b912 | 2014-08-28 14:32:24 -0700 | [diff] [blame] | 2147 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
fmalita | 00d5c2c | 2014-08-21 08:53:26 -0700 | [diff] [blame] | 2148 | |
fmalita | aa1b912 | 2014-08-28 14:32:24 -0700 | [diff] [blame] | 2149 | while (iter.next()) { |
| 2150 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
| 2151 | iter.fDevice->drawTextBlob(iter, blob, x, y, dfp.paint()); |
fmalita | 00d5c2c | 2014-08-21 08:53:26 -0700 | [diff] [blame] | 2152 | } |
| 2153 | |
fmalita | aa1b912 | 2014-08-28 14:32:24 -0700 | [diff] [blame] | 2154 | LOOPER_END |
fmalita | 00d5c2c | 2014-08-21 08:53:26 -0700 | [diff] [blame] | 2155 | } |
| 2156 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2157 | // These will become non-virtual, so they always call the (virtual) onDraw... method |
| 2158 | void SkCanvas::drawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| 2159 | const SkPaint& paint) { |
| 2160 | this->onDrawText(text, byteLength, x, y, paint); |
| 2161 | } |
| 2162 | void SkCanvas::drawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| 2163 | const SkPaint& paint) { |
| 2164 | this->onDrawPosText(text, byteLength, pos, paint); |
| 2165 | } |
| 2166 | void SkCanvas::drawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| 2167 | SkScalar constY, const SkPaint& paint) { |
| 2168 | this->onDrawPosTextH(text, byteLength, xpos, constY, paint); |
| 2169 | } |
| 2170 | void SkCanvas::drawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| 2171 | const SkMatrix* matrix, const SkPaint& paint) { |
| 2172 | this->onDrawTextOnPath(text, byteLength, path, matrix, paint); |
| 2173 | } |
fmalita | 00d5c2c | 2014-08-21 08:53:26 -0700 | [diff] [blame] | 2174 | void SkCanvas::drawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| 2175 | const SkPaint& paint) { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2176 | if (blob) { |
fmalita | 00d5c2c | 2014-08-21 08:53:26 -0700 | [diff] [blame] | 2177 | this->onDrawTextBlob(blob, x, y, paint); |
| 2178 | } |
| 2179 | } |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2180 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2181 | void SkCanvas::drawVertices(VertexMode vmode, int vertexCount, |
| 2182 | const SkPoint verts[], const SkPoint texs[], |
| 2183 | const SkColor colors[], SkXfermode* xmode, |
| 2184 | const uint16_t indices[], int indexCount, |
| 2185 | const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2186 | LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, NULL) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2187 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2188 | while (iter.next()) { |
| 2189 | iter.fDevice->drawVertices(iter, vmode, vertexCount, verts, texs, |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2190 | colors, xmode, indices, indexCount, |
| 2191 | looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2192 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2193 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2194 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2195 | } |
| 2196 | |
dandov | b3c9d1c | 2014-08-12 08:34:29 -0700 | [diff] [blame] | 2197 | void SkCanvas::drawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| 2198 | const SkPoint texCoords[4], SkXfermode* xmode, const SkPaint& paint) { |
| 2199 | if (NULL == cubics) { |
| 2200 | return; |
| 2201 | } |
mtklein | 6cfa73a | 2014-08-13 13:33:49 -0700 | [diff] [blame] | 2202 | |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame] | 2203 | // Since a patch is always within the convex hull of the control points, we discard it when its |
| 2204 | // bounding rectangle is completely outside the current clip. |
| 2205 | SkRect bounds; |
dandov | b3c9d1c | 2014-08-12 08:34:29 -0700 | [diff] [blame] | 2206 | bounds.set(cubics, SkPatchUtils::kNumCtrlPts); |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame] | 2207 | if (this->quickReject(bounds)) { |
| 2208 | return; |
| 2209 | } |
mtklein | 6cfa73a | 2014-08-13 13:33:49 -0700 | [diff] [blame] | 2210 | |
dandov | b3c9d1c | 2014-08-12 08:34:29 -0700 | [diff] [blame] | 2211 | this->onDrawPatch(cubics, colors, texCoords, xmode, paint); |
| 2212 | } |
| 2213 | |
| 2214 | void SkCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| 2215 | const SkPoint texCoords[4], SkXfermode* xmode, const SkPaint& paint) { |
| 2216 | |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame] | 2217 | LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, NULL) |
mtklein | 6cfa73a | 2014-08-13 13:33:49 -0700 | [diff] [blame] | 2218 | |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame] | 2219 | while (iter.next()) { |
dandov | b3c9d1c | 2014-08-12 08:34:29 -0700 | [diff] [blame] | 2220 | iter.fDevice->drawPatch(iter, cubics, colors, texCoords, xmode, paint); |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame] | 2221 | } |
mtklein | 6cfa73a | 2014-08-13 13:33:49 -0700 | [diff] [blame] | 2222 | |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame] | 2223 | LOOPER_END |
| 2224 | } |
| 2225 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2226 | ////////////////////////////////////////////////////////////////////////////// |
| 2227 | // These methods are NOT virtual, and therefore must call back into virtual |
| 2228 | // methods, rather than actually drawing themselves. |
| 2229 | ////////////////////////////////////////////////////////////////////////////// |
| 2230 | |
| 2231 | void SkCanvas::drawARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b, |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2232 | SkXfermode::Mode mode) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2233 | SkPaint paint; |
| 2234 | |
| 2235 | paint.setARGB(a, r, g, b); |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2236 | if (SkXfermode::kSrcOver_Mode != mode) { |
reed@android.com | 0baf193 | 2009-06-24 12:41:42 +0000 | [diff] [blame] | 2237 | paint.setXfermodeMode(mode); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2238 | } |
| 2239 | this->drawPaint(paint); |
| 2240 | } |
| 2241 | |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2242 | void SkCanvas::drawColor(SkColor c, SkXfermode::Mode mode) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2243 | SkPaint paint; |
| 2244 | |
| 2245 | paint.setColor(c); |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2246 | if (SkXfermode::kSrcOver_Mode != mode) { |
reed@android.com | 0baf193 | 2009-06-24 12:41:42 +0000 | [diff] [blame] | 2247 | paint.setXfermodeMode(mode); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2248 | } |
| 2249 | this->drawPaint(paint); |
| 2250 | } |
| 2251 | |
| 2252 | void SkCanvas::drawPoint(SkScalar x, SkScalar y, const SkPaint& paint) { |
| 2253 | SkPoint pt; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2254 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2255 | pt.set(x, y); |
| 2256 | this->drawPoints(kPoints_PointMode, 1, &pt, paint); |
| 2257 | } |
| 2258 | |
| 2259 | void SkCanvas::drawPoint(SkScalar x, SkScalar y, SkColor color) { |
| 2260 | SkPoint pt; |
| 2261 | SkPaint paint; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2262 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2263 | pt.set(x, y); |
| 2264 | paint.setColor(color); |
| 2265 | this->drawPoints(kPoints_PointMode, 1, &pt, paint); |
| 2266 | } |
| 2267 | |
| 2268 | void SkCanvas::drawLine(SkScalar x0, SkScalar y0, SkScalar x1, SkScalar y1, |
| 2269 | const SkPaint& paint) { |
| 2270 | SkPoint pts[2]; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2271 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2272 | pts[0].set(x0, y0); |
| 2273 | pts[1].set(x1, y1); |
| 2274 | this->drawPoints(kLines_PointMode, 2, pts, paint); |
| 2275 | } |
| 2276 | |
| 2277 | void SkCanvas::drawRectCoords(SkScalar left, SkScalar top, |
| 2278 | SkScalar right, SkScalar bottom, |
| 2279 | const SkPaint& paint) { |
| 2280 | SkRect r; |
| 2281 | |
| 2282 | r.set(left, top, right, bottom); |
| 2283 | this->drawRect(r, paint); |
| 2284 | } |
| 2285 | |
| 2286 | void SkCanvas::drawCircle(SkScalar cx, SkScalar cy, SkScalar radius, |
| 2287 | const SkPaint& paint) { |
| 2288 | if (radius < 0) { |
| 2289 | radius = 0; |
| 2290 | } |
| 2291 | |
| 2292 | SkRect r; |
| 2293 | r.set(cx - radius, cy - radius, cx + radius, cy + radius); |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2294 | this->drawOval(r, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2295 | } |
| 2296 | |
| 2297 | void SkCanvas::drawRoundRect(const SkRect& r, SkScalar rx, SkScalar ry, |
| 2298 | const SkPaint& paint) { |
| 2299 | if (rx > 0 && ry > 0) { |
| 2300 | if (paint.canComputeFastBounds()) { |
| 2301 | SkRect storage; |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 2302 | if (this->quickReject(paint.computeFastBounds(r, &storage))) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2303 | return; |
| 2304 | } |
| 2305 | } |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2306 | SkRRect rrect; |
| 2307 | rrect.setRectXY(r, rx, ry); |
| 2308 | this->drawRRect(rrect, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2309 | } else { |
| 2310 | this->drawRect(r, paint); |
| 2311 | } |
| 2312 | } |
| 2313 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2314 | void SkCanvas::drawArc(const SkRect& oval, SkScalar startAngle, |
| 2315 | SkScalar sweepAngle, bool useCenter, |
| 2316 | const SkPaint& paint) { |
| 2317 | if (SkScalarAbs(sweepAngle) >= SkIntToScalar(360)) { |
| 2318 | this->drawOval(oval, paint); |
| 2319 | } else { |
| 2320 | SkPath path; |
| 2321 | if (useCenter) { |
| 2322 | path.moveTo(oval.centerX(), oval.centerY()); |
| 2323 | } |
| 2324 | path.arcTo(oval, startAngle, sweepAngle, !useCenter); |
| 2325 | if (useCenter) { |
| 2326 | path.close(); |
| 2327 | } |
| 2328 | this->drawPath(path, paint); |
| 2329 | } |
| 2330 | } |
| 2331 | |
| 2332 | void SkCanvas::drawTextOnPathHV(const void* text, size_t byteLength, |
| 2333 | const SkPath& path, SkScalar hOffset, |
| 2334 | SkScalar vOffset, const SkPaint& paint) { |
| 2335 | SkMatrix matrix; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2336 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2337 | matrix.setTranslate(hOffset, vOffset); |
| 2338 | this->drawTextOnPath(text, byteLength, path, &matrix, paint); |
| 2339 | } |
| 2340 | |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 2341 | /////////////////////////////////////////////////////////////////////////////// |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 2342 | void SkCanvas::EXPERIMENTAL_optimize(const SkPicture* picture) { |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2343 | SkBaseDevice* device = this->getDevice(); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2344 | if (device) { |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2345 | device->EXPERIMENTAL_optimize(picture); |
| 2346 | } |
| 2347 | } |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 2348 | |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 2349 | void SkCanvas::drawPicture(const SkPicture* picture) { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2350 | if (picture) { |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2351 | this->onDrawPicture(picture, NULL, NULL); |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 2352 | } |
| 2353 | } |
| 2354 | |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2355 | void SkCanvas::drawPicture(const SkPicture* picture, const SkMatrix* matrix, const SkPaint* paint) { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2356 | if (picture) { |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2357 | if (matrix && matrix->isIdentity()) { |
| 2358 | matrix = NULL; |
| 2359 | } |
| 2360 | this->onDrawPicture(picture, matrix, paint); |
| 2361 | } |
| 2362 | } |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 2363 | |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2364 | void SkCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix, |
| 2365 | const SkPaint* paint) { |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2366 | SkBaseDevice* device = this->getTopDevice(); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2367 | if (device) { |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2368 | // Canvas has to first give the device the opportunity to render |
| 2369 | // the picture itself. |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2370 | if (device->EXPERIMENTAL_drawPicture(this, picture, matrix, paint)) { |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2371 | return; // the device has rendered the entire picture |
| 2372 | } |
| 2373 | } |
| 2374 | |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 2375 | SkAutoCanvasMatrixPaint acmp(this, matrix, paint, picture->cullRect()); |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2376 | |
robertphillips | c5ba71d | 2014-09-04 08:42:50 -0700 | [diff] [blame] | 2377 | picture->playback(this); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2378 | } |
| 2379 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2380 | /////////////////////////////////////////////////////////////////////////////// |
| 2381 | /////////////////////////////////////////////////////////////////////////////// |
| 2382 | |
| 2383 | SkCanvas::LayerIter::LayerIter(SkCanvas* canvas, bool skipEmptyClips) { |
reed@google.com | d642329 | 2010-12-20 20:53:13 +0000 | [diff] [blame] | 2384 | SK_COMPILE_ASSERT(sizeof(fStorage) >= sizeof(SkDrawIter), fStorage_too_small); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2385 | |
| 2386 | SkASSERT(canvas); |
| 2387 | |
| 2388 | fImpl = new (fStorage) SkDrawIter(canvas, skipEmptyClips); |
| 2389 | fDone = !fImpl->next(); |
| 2390 | } |
| 2391 | |
| 2392 | SkCanvas::LayerIter::~LayerIter() { |
| 2393 | fImpl->~SkDrawIter(); |
| 2394 | } |
| 2395 | |
| 2396 | void SkCanvas::LayerIter::next() { |
| 2397 | fDone = !fImpl->next(); |
| 2398 | } |
| 2399 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 2400 | SkBaseDevice* SkCanvas::LayerIter::device() const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2401 | return fImpl->getDevice(); |
| 2402 | } |
| 2403 | |
| 2404 | const SkMatrix& SkCanvas::LayerIter::matrix() const { |
| 2405 | return fImpl->getMatrix(); |
| 2406 | } |
| 2407 | |
| 2408 | const SkPaint& SkCanvas::LayerIter::paint() const { |
| 2409 | const SkPaint* paint = fImpl->getPaint(); |
| 2410 | if (NULL == paint) { |
| 2411 | paint = &fDefaultPaint; |
| 2412 | } |
| 2413 | return *paint; |
| 2414 | } |
| 2415 | |
| 2416 | const SkRegion& SkCanvas::LayerIter::clip() const { return fImpl->getClip(); } |
| 2417 | int SkCanvas::LayerIter::x() const { return fImpl->getX(); } |
| 2418 | int SkCanvas::LayerIter::y() const { return fImpl->getY(); } |
justinlin@google.com | 20a550c | 2012-07-27 17:37:12 +0000 | [diff] [blame] | 2419 | |
| 2420 | /////////////////////////////////////////////////////////////////////////////// |
| 2421 | |
fmalita | c3b589a | 2014-06-05 12:40:07 -0700 | [diff] [blame] | 2422 | SkCanvasClipVisitor::~SkCanvasClipVisitor() { } |
commit-bot@chromium.org | 3107b6a | 2014-02-27 20:32:51 +0000 | [diff] [blame] | 2423 | |
| 2424 | /////////////////////////////////////////////////////////////////////////////// |
| 2425 | |
| 2426 | static bool supported_for_raster_canvas(const SkImageInfo& info) { |
| 2427 | switch (info.alphaType()) { |
| 2428 | case kPremul_SkAlphaType: |
| 2429 | case kOpaque_SkAlphaType: |
| 2430 | break; |
| 2431 | default: |
| 2432 | return false; |
| 2433 | } |
| 2434 | |
| 2435 | switch (info.colorType()) { |
| 2436 | case kAlpha_8_SkColorType: |
| 2437 | case kRGB_565_SkColorType: |
commit-bot@chromium.org | 28fcae2 | 2014-04-11 17:15:40 +0000 | [diff] [blame] | 2438 | case kN32_SkColorType: |
commit-bot@chromium.org | 3107b6a | 2014-02-27 20:32:51 +0000 | [diff] [blame] | 2439 | break; |
| 2440 | default: |
| 2441 | return false; |
| 2442 | } |
| 2443 | |
| 2444 | return true; |
| 2445 | } |
| 2446 | |
| 2447 | SkCanvas* SkCanvas::NewRaster(const SkImageInfo& info) { |
| 2448 | if (!supported_for_raster_canvas(info)) { |
| 2449 | return NULL; |
| 2450 | } |
| 2451 | |
| 2452 | SkBitmap bitmap; |
reed | 8482504 | 2014-09-02 12:50:45 -0700 | [diff] [blame] | 2453 | if (!bitmap.tryAllocPixels(info)) { |
commit-bot@chromium.org | 3107b6a | 2014-02-27 20:32:51 +0000 | [diff] [blame] | 2454 | return NULL; |
| 2455 | } |
| 2456 | |
| 2457 | // should this functionality be moved into allocPixels()? |
| 2458 | if (!bitmap.info().isOpaque()) { |
| 2459 | bitmap.eraseColor(0); |
| 2460 | } |
| 2461 | return SkNEW_ARGS(SkCanvas, (bitmap)); |
| 2462 | } |
commit-bot@chromium.org | 42b0893 | 2014-03-17 02:13:07 +0000 | [diff] [blame] | 2463 | |
| 2464 | SkCanvas* SkCanvas::NewRasterDirect(const SkImageInfo& info, void* pixels, size_t rowBytes) { |
| 2465 | if (!supported_for_raster_canvas(info)) { |
| 2466 | return NULL; |
| 2467 | } |
skia.committer@gmail.com | eb849e5 | 2014-03-17 03:02:17 +0000 | [diff] [blame] | 2468 | |
commit-bot@chromium.org | 42b0893 | 2014-03-17 02:13:07 +0000 | [diff] [blame] | 2469 | SkBitmap bitmap; |
| 2470 | if (!bitmap.installPixels(info, pixels, rowBytes)) { |
| 2471 | return NULL; |
| 2472 | } |
commit-bot@chromium.org | 42b0893 | 2014-03-17 02:13:07 +0000 | [diff] [blame] | 2473 | return SkNEW_ARGS(SkCanvas, (bitmap)); |
| 2474 | } |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2475 | |
| 2476 | /////////////////////////////////////////////////////////////////////////////// |
| 2477 | |
| 2478 | SkAutoCanvasMatrixPaint::SkAutoCanvasMatrixPaint(SkCanvas* canvas, const SkMatrix* matrix, |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 2479 | const SkPaint* paint, const SkRect& bounds) |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2480 | : fCanvas(canvas) |
| 2481 | , fSaveCount(canvas->getSaveCount()) |
| 2482 | { |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2483 | if (paint) { |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 2484 | SkRect newBounds = bounds; |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2485 | if (matrix) { |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 2486 | matrix->mapRect(&newBounds); |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2487 | } |
robertphillips | a8d7f0b | 2014-08-29 08:03:56 -0700 | [diff] [blame] | 2488 | canvas->saveLayer(&newBounds, paint); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2489 | } else if (matrix) { |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2490 | canvas->save(); |
| 2491 | } |
mtklein | 6cfa73a | 2014-08-13 13:33:49 -0700 | [diff] [blame] | 2492 | |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 2493 | if (matrix) { |
reed | d5fa1a4 | 2014-08-09 11:08:05 -0700 | [diff] [blame] | 2494 | canvas->concat(*matrix); |
| 2495 | } |
| 2496 | } |
| 2497 | |
| 2498 | SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() { |
| 2499 | fCanvas->restoreToCount(fSaveCount); |
| 2500 | } |