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" |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 10 | #include "SkBitmapDevice.h" |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 11 | #include "SkDeviceImageFilterProxy.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 12 | #include "SkDraw.h" |
| 13 | #include "SkDrawFilter.h" |
| 14 | #include "SkDrawLooper.h" |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 15 | #include "SkMetaData.h" |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 16 | #include "SkPathOps.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 17 | #include "SkPicture.h" |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 18 | #include "SkRasterClip.h" |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 19 | #include "SkRRect.h" |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 20 | #include "SkSmallAllocator.h" |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 21 | #include "SkSurface_Base.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 22 | #include "SkTemplates.h" |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 23 | #include "SkTextFormatParams.h" |
reed@google.com | a076e9b | 2011-04-06 20:17:29 +0000 | [diff] [blame] | 24 | #include "SkTLazy.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 25 | #include "SkUtils.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 26 | |
commit-bot@chromium.org | 644629c | 2013-11-21 06:21:58 +0000 | [diff] [blame] | 27 | #if SK_SUPPORT_GPU |
| 28 | #include "GrRenderTarget.h" |
| 29 | #endif |
| 30 | |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 31 | // experimental for faster tiled drawing... |
| 32 | //#define SK_ENABLE_CLIP_QUICKREJECT |
robertphillips@google.com | 15e9d3e | 2012-06-21 20:25:03 +0000 | [diff] [blame] | 33 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 34 | //#define SK_TRACE_SAVERESTORE |
| 35 | |
| 36 | #ifdef SK_TRACE_SAVERESTORE |
| 37 | static int gLayerCounter; |
| 38 | static void inc_layer() { ++gLayerCounter; printf("----- inc layer %d\n", gLayerCounter); } |
| 39 | static void dec_layer() { --gLayerCounter; printf("----- dec layer %d\n", gLayerCounter); } |
| 40 | |
| 41 | static int gRecCounter; |
| 42 | static void inc_rec() { ++gRecCounter; printf("----- inc rec %d\n", gRecCounter); } |
| 43 | static void dec_rec() { --gRecCounter; printf("----- dec rec %d\n", gRecCounter); } |
| 44 | |
| 45 | static int gCanvasCounter; |
| 46 | static void inc_canvas() { ++gCanvasCounter; printf("----- inc canvas %d\n", gCanvasCounter); } |
| 47 | static void dec_canvas() { --gCanvasCounter; printf("----- dec canvas %d\n", gCanvasCounter); } |
| 48 | #else |
| 49 | #define inc_layer() |
| 50 | #define dec_layer() |
| 51 | #define inc_rec() |
| 52 | #define dec_rec() |
| 53 | #define inc_canvas() |
| 54 | #define dec_canvas() |
| 55 | #endif |
| 56 | |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 57 | typedef SkTLazy<SkPaint> SkLazyPaint; |
| 58 | |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 59 | void SkCanvas::predrawNotify() { |
| 60 | if (fSurfaceBase) { |
commit-bot@chromium.org | c4c9870 | 2013-04-22 14:28:01 +0000 | [diff] [blame] | 61 | fSurfaceBase->aboutToDraw(SkSurface::kRetain_ContentChangeMode); |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 62 | } |
| 63 | } |
| 64 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 65 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 66 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 67 | /* 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] | 68 | The clip/matrix/proc are fields that reflect the top of the save/restore |
| 69 | stack. Whenever the canvas changes, it marks a dirty flag, and then before |
| 70 | these are used (assuming we're not on a layer) we rebuild these cache |
| 71 | values: they reflect the top of the save stack, but translated and clipped |
| 72 | by the device's XY offset and bitmap-bounds. |
| 73 | */ |
| 74 | struct DeviceCM { |
| 75 | DeviceCM* fNext; |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 76 | SkBaseDevice* fDevice; |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 77 | SkRasterClip fClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 78 | const SkMatrix* fMatrix; |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 79 | SkPaint* fPaint; // may be null (in the future) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 80 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 81 | DeviceCM(SkBaseDevice* device, int x, int y, const SkPaint* paint, SkCanvas* canvas) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 82 | : fNext(NULL) { |
| 83 | if (NULL != device) { |
| 84 | device->ref(); |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 85 | device->onAttachToCanvas(canvas); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 86 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 87 | fDevice = device; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 88 | fPaint = paint ? SkNEW_ARGS(SkPaint, (*paint)) : NULL; |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 89 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 90 | |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 91 | ~DeviceCM() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 92 | if (NULL != fDevice) { |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 93 | fDevice->onDetachFromCanvas(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 94 | fDevice->unref(); |
| 95 | } |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 96 | SkDELETE(fPaint); |
| 97 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 98 | |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 99 | void updateMC(const SkMatrix& totalMatrix, const SkRasterClip& totalClip, |
| 100 | const SkClipStack& clipStack, SkRasterClip* updateClip) { |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 101 | int x = fDevice->getOrigin().x(); |
| 102 | int y = fDevice->getOrigin().y(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 103 | int width = fDevice->width(); |
| 104 | int height = fDevice->height(); |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 105 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 106 | if ((x | y) == 0) { |
| 107 | fMatrix = &totalMatrix; |
| 108 | fClip = totalClip; |
| 109 | } else { |
| 110 | fMatrixStorage = totalMatrix; |
| 111 | fMatrixStorage.postTranslate(SkIntToScalar(-x), |
| 112 | SkIntToScalar(-y)); |
| 113 | fMatrix = &fMatrixStorage; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 114 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 115 | totalClip.translate(-x, -y, &fClip); |
| 116 | } |
| 117 | |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 118 | fClip.op(SkIRect::MakeWH(width, height), SkRegion::kIntersect_Op); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 119 | |
| 120 | // intersect clip, but don't translate it (yet) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 121 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 122 | if (updateClip) { |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 123 | updateClip->op(SkIRect::MakeXYWH(x, y, width, height), |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 124 | SkRegion::kDifference_Op); |
| 125 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 126 | |
robertphillips@google.com | 3fffb2e | 2012-10-09 22:30:18 +0000 | [diff] [blame] | 127 | fDevice->setMatrixClip(*fMatrix, fClip.forceGetBW(), clipStack); |
| 128 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 129 | #ifdef SK_DEBUG |
| 130 | if (!fClip.isEmpty()) { |
| 131 | SkIRect deviceR; |
| 132 | deviceR.set(0, 0, width, height); |
| 133 | SkASSERT(deviceR.contains(fClip.getBounds())); |
| 134 | } |
| 135 | #endif |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 136 | } |
| 137 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 138 | private: |
bsalomon@google.com | 0e354aa | 2012-10-08 20:44:25 +0000 | [diff] [blame] | 139 | SkMatrix fMatrixStorage; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 140 | }; |
| 141 | |
| 142 | /* This is the record we keep for each save/restore level in the stack. |
| 143 | Since a level optionally copies the matrix and/or stack, we have pointers |
| 144 | for these fields. If the value is copied for this level, the copy is |
| 145 | stored in the ...Storage field, and the pointer points to that. If the |
| 146 | value is not copied for this level, we ignore ...Storage, and just point |
| 147 | at the corresponding value in the previous level in the stack. |
| 148 | */ |
| 149 | class SkCanvas::MCRec { |
| 150 | public: |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 151 | SkMatrix fMatrix; |
| 152 | SkRasterClip fRasterClip; |
| 153 | SkDrawFilter* fFilter; // the current filter (or null) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 154 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 155 | DeviceCM* fLayer; |
| 156 | /* If there are any layers in the stack, this points to the top-most |
| 157 | one that is at or below this level in the stack (so we know what |
| 158 | bitmap/device to draw into from this level. This value is NOT |
| 159 | reference counted, since the real owner is either our fLayer field, |
| 160 | or a previous one in a lower level.) |
| 161 | */ |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 162 | DeviceCM* fTopLayer; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 163 | |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 164 | MCRec(const MCRec* prev) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 165 | if (NULL != prev) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 166 | fMatrix = prev->fMatrix; |
| 167 | fRasterClip = prev->fRasterClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 168 | |
| 169 | fFilter = prev->fFilter; |
reed@google.com | 82065d6 | 2011-02-07 15:30:46 +0000 | [diff] [blame] | 170 | SkSafeRef(fFilter); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 171 | |
| 172 | fTopLayer = prev->fTopLayer; |
| 173 | } else { // no prev |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 174 | fMatrix.reset(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 175 | fFilter = NULL; |
| 176 | fTopLayer = NULL; |
| 177 | } |
| 178 | fLayer = NULL; |
| 179 | |
| 180 | // don't bother initializing fNext |
| 181 | inc_rec(); |
| 182 | } |
| 183 | ~MCRec() { |
reed@google.com | 82065d6 | 2011-02-07 15:30:46 +0000 | [diff] [blame] | 184 | SkSafeUnref(fFilter); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 185 | SkDELETE(fLayer); |
| 186 | dec_rec(); |
| 187 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 188 | }; |
| 189 | |
| 190 | class SkDrawIter : public SkDraw { |
| 191 | public: |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 192 | SkDrawIter(SkCanvas* canvas, bool skipEmptyClips = true) { |
junov@google.com | 4370aed | 2012-01-18 16:21:08 +0000 | [diff] [blame] | 193 | canvas = canvas->canvasForDrawIter(); |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 194 | fCanvas = canvas; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 195 | canvas->updateDeviceCMCache(); |
| 196 | |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 197 | fClipStack = &canvas->fClipStack; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 198 | fCurrLayer = canvas->fMCRec->fTopLayer; |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 199 | fSkipEmptyClips = skipEmptyClips; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 200 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 201 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 202 | bool next() { |
| 203 | // skip over recs with empty clips |
| 204 | if (fSkipEmptyClips) { |
| 205 | while (fCurrLayer && fCurrLayer->fClip.isEmpty()) { |
| 206 | fCurrLayer = fCurrLayer->fNext; |
| 207 | } |
| 208 | } |
| 209 | |
reed@google.com | f68c5e2 | 2012-02-24 16:38:58 +0000 | [diff] [blame] | 210 | const DeviceCM* rec = fCurrLayer; |
| 211 | if (rec && rec->fDevice) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 212 | |
| 213 | fMatrix = rec->fMatrix; |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 214 | fClip = &((SkRasterClip*)&rec->fClip)->forceGetBW(); |
| 215 | fRC = &rec->fClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 216 | fDevice = rec->fDevice; |
| 217 | fBitmap = &fDevice->accessBitmap(true); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 218 | fPaint = rec->fPaint; |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 219 | SkDEBUGCODE(this->validate();) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 220 | |
| 221 | fCurrLayer = rec->fNext; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 222 | // fCurrLayer may be NULL now |
reed@android.com | 199f108 | 2009-06-10 02:12:47 +0000 | [diff] [blame] | 223 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 224 | return true; |
| 225 | } |
| 226 | return false; |
| 227 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 228 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 229 | SkBaseDevice* getDevice() const { return fDevice; } |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 230 | int getX() const { return fDevice->getOrigin().x(); } |
| 231 | int getY() const { return fDevice->getOrigin().y(); } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 232 | const SkMatrix& getMatrix() const { return *fMatrix; } |
| 233 | const SkRegion& getClip() const { return *fClip; } |
| 234 | const SkPaint* getPaint() const { return fPaint; } |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 235 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 236 | private: |
| 237 | SkCanvas* fCanvas; |
| 238 | const DeviceCM* fCurrLayer; |
| 239 | const SkPaint* fPaint; // May be null. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 240 | SkBool8 fSkipEmptyClips; |
| 241 | |
| 242 | typedef SkDraw INHERITED; |
| 243 | }; |
| 244 | |
| 245 | ///////////////////////////////////////////////////////////////////////////// |
| 246 | |
| 247 | class AutoDrawLooper { |
| 248 | public: |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 249 | AutoDrawLooper(SkCanvas* canvas, const SkPaint& paint, |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 250 | bool skipLayerForImageFilter = false, |
| 251 | const SkRect* bounds = NULL) : fOrigPaint(paint) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 252 | fCanvas = canvas; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 253 | fFilter = canvas->getDrawFilter(); |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 254 | fPaint = NULL; |
| 255 | fSaveCount = canvas->getSaveCount(); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 256 | fDoClearImageFilter = false; |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 257 | fDone = false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 258 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 259 | if (!skipLayerForImageFilter && fOrigPaint.getImageFilter()) { |
| 260 | SkPaint tmp; |
| 261 | tmp.setImageFilter(fOrigPaint.getImageFilter()); |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 262 | (void)canvas->internalSaveLayer(bounds, &tmp, SkCanvas::kARGB_ClipLayer_SaveFlag, |
| 263 | true, SkCanvas::kFullLayer_SaveLayerStrategy); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 264 | // we'll clear the imageFilter for the actual draws in next(), so |
| 265 | // it will only be applied during the restore(). |
| 266 | fDoClearImageFilter = true; |
| 267 | } |
| 268 | |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 269 | if (SkDrawLooper* looper = paint.getLooper()) { |
| 270 | void* buffer = fLooperContextAllocator.reserveT<SkDrawLooper::Context>( |
| 271 | looper->contextSize()); |
| 272 | fLooperContext = looper->createContext(canvas, buffer); |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 273 | fIsSimple = false; |
| 274 | } else { |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 275 | fLooperContext = NULL; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 276 | // can we be marked as simple? |
| 277 | fIsSimple = !fFilter && !fDoClearImageFilter; |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 278 | } |
| 279 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 280 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 281 | ~AutoDrawLooper() { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 282 | if (fDoClearImageFilter) { |
| 283 | fCanvas->internalRestore(); |
| 284 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 285 | SkASSERT(fCanvas->getSaveCount() == fSaveCount); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 286 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 287 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 288 | const SkPaint& paint() const { |
| 289 | SkASSERT(fPaint); |
| 290 | return *fPaint; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 291 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 292 | |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 293 | bool next(SkDrawFilter::Type drawType) { |
| 294 | if (fDone) { |
| 295 | return false; |
| 296 | } else if (fIsSimple) { |
| 297 | fDone = true; |
| 298 | fPaint = &fOrigPaint; |
| 299 | return !fPaint->nothingToDraw(); |
| 300 | } else { |
| 301 | return this->doNext(drawType); |
| 302 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 303 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 304 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 305 | private: |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 306 | SkLazyPaint fLazyPaint; |
| 307 | SkCanvas* fCanvas; |
| 308 | const SkPaint& fOrigPaint; |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 309 | SkDrawFilter* fFilter; |
| 310 | const SkPaint* fPaint; |
| 311 | int fSaveCount; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 312 | bool fDoClearImageFilter; |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 313 | bool fDone; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 314 | bool fIsSimple; |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 315 | SkDrawLooper::Context* fLooperContext; |
| 316 | SkSmallAllocator<1, 32> fLooperContextAllocator; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 317 | |
| 318 | bool doNext(SkDrawFilter::Type drawType); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 319 | }; |
| 320 | |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 321 | bool AutoDrawLooper::doNext(SkDrawFilter::Type drawType) { |
reed@google.com | 632e1a2 | 2011-10-06 12:37:00 +0000 | [diff] [blame] | 322 | fPaint = NULL; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 323 | SkASSERT(!fIsSimple); |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 324 | SkASSERT(fLooperContext || fFilter || fDoClearImageFilter); |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 325 | |
| 326 | SkPaint* paint = fLazyPaint.set(fOrigPaint); |
| 327 | |
| 328 | if (fDoClearImageFilter) { |
| 329 | paint->setImageFilter(NULL); |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 330 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 331 | |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 332 | if (fLooperContext && !fLooperContext->next(fCanvas, paint)) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 333 | fDone = true; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 334 | return false; |
| 335 | } |
| 336 | if (fFilter) { |
reed@google.com | 971aca7 | 2012-11-26 20:26:54 +0000 | [diff] [blame] | 337 | if (!fFilter->filter(paint, drawType)) { |
| 338 | fDone = true; |
| 339 | return false; |
| 340 | } |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 341 | if (NULL == fLooperContext) { |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 342 | // no looper means we only draw once |
| 343 | fDone = true; |
| 344 | } |
| 345 | } |
| 346 | fPaint = paint; |
| 347 | |
| 348 | // 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] | 349 | if (!fLooperContext && !fFilter) { |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 350 | fDone = true; |
reed@google.com | 632e1a2 | 2011-10-06 12:37:00 +0000 | [diff] [blame] | 351 | } |
| 352 | |
| 353 | // call this after any possible paint modifiers |
| 354 | if (fPaint->nothingToDraw()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 355 | fPaint = NULL; |
| 356 | return false; |
| 357 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 358 | return true; |
| 359 | } |
| 360 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 361 | #include "SkColorPriv.h" |
| 362 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 363 | ////////// macros to place around the internal draw calls ////////////////// |
| 364 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 365 | #define LOOPER_BEGIN_DRAWDEVICE(paint, type) \ |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 366 | this->predrawNotify(); \ |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 367 | AutoDrawLooper looper(this, paint, true); \ |
| 368 | while (looper.next(type)) { \ |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 369 | SkDrawIter iter(this); |
| 370 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 371 | #define LOOPER_BEGIN(paint, type, bounds) \ |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 372 | this->predrawNotify(); \ |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 373 | AutoDrawLooper looper(this, paint, false, bounds); \ |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 374 | while (looper.next(type)) { \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 375 | SkDrawIter iter(this); |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 376 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 377 | #define LOOPER_END } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 378 | |
| 379 | //////////////////////////////////////////////////////////////////////////// |
| 380 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 381 | SkBaseDevice* SkCanvas::init(SkBaseDevice* device) { |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 382 | fCachedLocalClipBounds.setEmpty(); |
| 383 | fCachedLocalClipBoundsDirty = true; |
caryclark@google.com | 8f0a7b8 | 2012-11-07 14:54:49 +0000 | [diff] [blame] | 384 | fAllowSoftClip = true; |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 385 | fAllowSimplifyClip = false; |
agl@chromium.org | 447bcfa | 2009-12-12 00:06:17 +0000 | [diff] [blame] | 386 | fDeviceCMDirty = false; |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 387 | fSaveLayerCount = 0; |
commit-bot@chromium.org | 210ae2a | 2014-02-27 17:40:13 +0000 | [diff] [blame] | 388 | fCullCount = 0; |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 389 | fMetaData = NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 390 | |
| 391 | fMCRec = (MCRec*)fMCStack.push_back(); |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 392 | new (fMCRec) MCRec(NULL); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 393 | |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 394 | fMCRec->fLayer = SkNEW_ARGS(DeviceCM, (NULL, 0, 0, NULL, NULL)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 395 | fMCRec->fTopLayer = fMCRec->fLayer; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 396 | |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 397 | fSurfaceBase = NULL; |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 398 | |
commit-bot@chromium.org | 403f8d7 | 2014-02-17 15:24:26 +0000 | [diff] [blame] | 399 | return this->setRootDevice(device); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 400 | } |
| 401 | |
reed@google.com | cde9211 | 2011-07-06 20:00:52 +0000 | [diff] [blame] | 402 | SkCanvas::SkCanvas() |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 403 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 404 | { |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 405 | inc_canvas(); |
skia.committer@gmail.com | ba12448 | 2014-02-01 03:01:57 +0000 | [diff] [blame] | 406 | |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 407 | this->init(NULL); |
| 408 | } |
| 409 | |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 410 | SkCanvas::SkCanvas(int width, int height) |
| 411 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 412 | { |
| 413 | inc_canvas(); |
skia.committer@gmail.com | ba12448 | 2014-02-01 03:01:57 +0000 | [diff] [blame] | 414 | |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 415 | SkBitmap bitmap; |
commit-bot@chromium.org | a3264e5 | 2014-05-30 13:26:10 +0000 | [diff] [blame] | 416 | bitmap.setInfo(SkImageInfo::MakeUnknown(width, height)); |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 417 | this->init(SkNEW_ARGS(SkBitmapDevice, (bitmap)))->unref(); |
| 418 | } |
| 419 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 420 | SkCanvas::SkCanvas(SkBaseDevice* device) |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 421 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 422 | { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 423 | inc_canvas(); |
| 424 | |
| 425 | this->init(device); |
| 426 | } |
| 427 | |
| 428 | SkCanvas::SkCanvas(const SkBitmap& bitmap) |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 429 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 430 | { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 431 | inc_canvas(); |
| 432 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 433 | this->init(SkNEW_ARGS(SkBitmapDevice, (bitmap)))->unref(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 434 | } |
| 435 | |
| 436 | SkCanvas::~SkCanvas() { |
| 437 | // free up the contents of our deque |
| 438 | this->restoreToCount(1); // restore everything but the last |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 439 | SkASSERT(0 == fSaveLayerCount); |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 440 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 441 | this->internalRestore(); // restore the last, since we're going away |
| 442 | |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 443 | SkDELETE(fMetaData); |
vandebo@chromium.org | b70ae31 | 2010-10-15 18:58:19 +0000 | [diff] [blame] | 444 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 445 | dec_canvas(); |
| 446 | } |
| 447 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 448 | SkDrawFilter* SkCanvas::getDrawFilter() const { |
| 449 | return fMCRec->fFilter; |
| 450 | } |
| 451 | |
| 452 | SkDrawFilter* SkCanvas::setDrawFilter(SkDrawFilter* filter) { |
| 453 | SkRefCnt_SafeAssign(fMCRec->fFilter, filter); |
| 454 | return filter; |
| 455 | } |
| 456 | |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 457 | SkMetaData& SkCanvas::getMetaData() { |
| 458 | // metadata users are rare, so we lazily allocate it. If that changes we |
| 459 | // can decide to just make it a field in the device (rather than a ptr) |
| 460 | if (NULL == fMetaData) { |
| 461 | fMetaData = new SkMetaData; |
| 462 | } |
| 463 | return *fMetaData; |
| 464 | } |
| 465 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 466 | /////////////////////////////////////////////////////////////////////////////// |
| 467 | |
junov@chromium.org | bf6c1e4 | 2012-01-30 14:53:22 +0000 | [diff] [blame] | 468 | void SkCanvas::flush() { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 469 | SkBaseDevice* device = this->getDevice(); |
junov@chromium.org | bf6c1e4 | 2012-01-30 14:53:22 +0000 | [diff] [blame] | 470 | if (device) { |
| 471 | device->flush(); |
| 472 | } |
| 473 | } |
| 474 | |
bsalomon@google.com | 4ebe382 | 2014-02-26 20:22:32 +0000 | [diff] [blame] | 475 | SkISize SkCanvas::getTopLayerSize() const { |
| 476 | SkBaseDevice* d = this->getTopDevice(); |
| 477 | return d ? SkISize::Make(d->width(), d->height()) : SkISize::Make(0, 0); |
| 478 | } |
| 479 | |
| 480 | SkIPoint SkCanvas::getTopLayerOrigin() const { |
| 481 | SkBaseDevice* d = this->getTopDevice(); |
| 482 | return d ? d->getOrigin() : SkIPoint::Make(0, 0); |
| 483 | } |
| 484 | |
| 485 | SkISize SkCanvas::getBaseLayerSize() const { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 486 | SkBaseDevice* d = this->getDevice(); |
reed@google.com | 210ce00 | 2011-11-01 14:24:23 +0000 | [diff] [blame] | 487 | return d ? SkISize::Make(d->width(), d->height()) : SkISize::Make(0, 0); |
| 488 | } |
| 489 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 490 | SkBaseDevice* SkCanvas::getDevice() const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 491 | // return root device |
robertphillips@google.com | c029062 | 2012-07-16 21:20:03 +0000 | [diff] [blame] | 492 | MCRec* rec = (MCRec*) fMCStack.front(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 493 | SkASSERT(rec && rec->fLayer); |
| 494 | return rec->fLayer->fDevice; |
| 495 | } |
| 496 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 497 | SkBaseDevice* SkCanvas::getTopDevice(bool updateMatrixClip) const { |
reed@google.com | 0b53d59 | 2012-03-19 18:26:34 +0000 | [diff] [blame] | 498 | if (updateMatrixClip) { |
| 499 | const_cast<SkCanvas*>(this)->updateDeviceCMCache(); |
| 500 | } |
reed@google.com | 9266fed | 2011-03-30 00:18:03 +0000 | [diff] [blame] | 501 | return fMCRec->fTopLayer->fDevice; |
| 502 | } |
| 503 | |
commit-bot@chromium.org | 403f8d7 | 2014-02-17 15:24:26 +0000 | [diff] [blame] | 504 | SkBaseDevice* SkCanvas::setRootDevice(SkBaseDevice* device) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 505 | // return root device |
reed@google.com | 4c09d5c | 2011-02-22 13:16:38 +0000 | [diff] [blame] | 506 | SkDeque::F2BIter iter(fMCStack); |
| 507 | MCRec* rec = (MCRec*)iter.next(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 508 | SkASSERT(rec && rec->fLayer); |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 509 | SkBaseDevice* rootDevice = rec->fLayer->fDevice; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 510 | |
| 511 | if (rootDevice == device) { |
| 512 | return device; |
| 513 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 514 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 515 | if (device) { |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 516 | device->onAttachToCanvas(this); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 517 | } |
| 518 | if (rootDevice) { |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 519 | rootDevice->onDetachFromCanvas(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 520 | } |
| 521 | |
| 522 | SkRefCnt_SafeAssign(rec->fLayer->fDevice, device); |
| 523 | rootDevice = device; |
| 524 | |
| 525 | fDeviceCMDirty = true; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 526 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 527 | /* Now we update our initial region to have the bounds of the new device, |
| 528 | and then intersect all of the clips in our stack with these bounds, |
| 529 | to ensure that we can't draw outside of the device's bounds (and trash |
| 530 | memory). |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 531 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 532 | NOTE: this is only a partial-fix, since if the new device is larger than |
| 533 | 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] | 534 | so drawing may be artificially restricted. Without keeping a history of |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 535 | all calls to canvas->clipRect() and canvas->clipPath(), we can't exactly |
| 536 | reconstruct the correct clips, so this approximation will have to do. |
| 537 | The caller really needs to restore() back to the base if they want to |
| 538 | accurately take advantage of the new device bounds. |
| 539 | */ |
| 540 | |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 541 | SkIRect bounds; |
| 542 | if (device) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 543 | bounds.set(0, 0, device->width(), device->height()); |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 544 | } else { |
| 545 | bounds.setEmpty(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 546 | } |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 547 | // 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] | 548 | rec->fRasterClip.setRect(bounds); |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 549 | while ((rec = (MCRec*)iter.next()) != NULL) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 550 | (void)rec->fRasterClip.op(bounds, SkRegion::kIntersect_Op); |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 551 | } |
| 552 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 553 | return device; |
| 554 | } |
| 555 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 556 | bool SkCanvas::readPixels(SkBitmap* bitmap, int x, int y) { |
| 557 | if (kUnknown_SkColorType == bitmap->colorType() || bitmap->getTexture()) { |
| 558 | return false; |
| 559 | } |
| 560 | |
| 561 | bool weAllocated = false; |
| 562 | if (NULL == bitmap->pixelRef()) { |
| 563 | if (!bitmap->allocPixels()) { |
| 564 | return false; |
| 565 | } |
| 566 | weAllocated = true; |
| 567 | } |
| 568 | |
| 569 | SkBitmap bm(*bitmap); |
| 570 | bm.lockPixels(); |
| 571 | if (bm.getPixels() && this->readPixels(bm.info(), bm.getPixels(), bm.rowBytes(), x, y)) { |
| 572 | return true; |
| 573 | } |
| 574 | |
| 575 | if (weAllocated) { |
| 576 | bitmap->setPixelRef(NULL); |
| 577 | } |
| 578 | return false; |
| 579 | } |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 580 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 581 | bool SkCanvas::readPixels(const SkIRect& srcRect, SkBitmap* bitmap) { |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 582 | SkIRect r = srcRect; |
| 583 | const SkISize size = this->getBaseLayerSize(); |
| 584 | if (!r.intersect(0, 0, size.width(), size.height())) { |
| 585 | bitmap->reset(); |
| 586 | return false; |
| 587 | } |
| 588 | |
| 589 | if (!bitmap->allocN32Pixels(r.width(), r.height())) { |
| 590 | // bitmap will already be reset. |
| 591 | return false; |
| 592 | } |
| 593 | if (!this->readPixels(bitmap->info(), bitmap->getPixels(), bitmap->rowBytes(), r.x(), r.y())) { |
| 594 | bitmap->reset(); |
| 595 | return false; |
| 596 | } |
| 597 | return true; |
| 598 | } |
| 599 | |
| 600 | bool SkCanvas::readPixels(const SkImageInfo& origInfo, void* dstP, size_t rowBytes, int x, int y) { |
| 601 | switch (origInfo.colorType()) { |
| 602 | case kUnknown_SkColorType: |
| 603 | case kIndex_8_SkColorType: |
| 604 | return false; |
| 605 | default: |
| 606 | break; |
| 607 | } |
| 608 | if (NULL == dstP || rowBytes < origInfo.minRowBytes()) { |
| 609 | return false; |
| 610 | } |
| 611 | if (0 == origInfo.width() || 0 == origInfo.height()) { |
| 612 | return false; |
| 613 | } |
| 614 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 615 | SkBaseDevice* device = this->getDevice(); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 616 | if (!device) { |
| 617 | return false; |
| 618 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 619 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 620 | const SkISize size = this->getBaseLayerSize(); |
| 621 | SkIRect srcR = SkIRect::MakeXYWH(x, y, origInfo.width(), origInfo.height()); |
| 622 | if (!srcR.intersect(0, 0, size.width(), size.height())) { |
bsalomon@google.com | daba14b | 2011-11-02 20:10:48 +0000 | [diff] [blame] | 623 | return false; |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 624 | } |
skia.committer@gmail.com | db0c875 | 2014-03-18 03:02:11 +0000 | [diff] [blame] | 625 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 626 | SkImageInfo info = origInfo; |
| 627 | // the intersect may have shrunk info's logical size |
| 628 | info.fWidth = srcR.width(); |
| 629 | info.fHeight = srcR.height(); |
skia.committer@gmail.com | db0c875 | 2014-03-18 03:02:11 +0000 | [diff] [blame] | 630 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 631 | // if x or y are negative, then we have to adjust pixels |
| 632 | if (x > 0) { |
| 633 | x = 0; |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 634 | } |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 635 | if (y > 0) { |
| 636 | y = 0; |
| 637 | } |
| 638 | // here x,y are either 0 or negative |
| 639 | dstP = ((char*)dstP - y * rowBytes - x * info.bytesPerPixel()); |
skia.committer@gmail.com | db0c875 | 2014-03-18 03:02:11 +0000 | [diff] [blame] | 640 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 641 | // The device can assert that the requested area is always contained in its bounds |
| 642 | return device->readPixels(info, dstP, rowBytes, srcR.x(), srcR.y()); |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 643 | } |
| 644 | |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 645 | bool SkCanvas::writePixels(const SkBitmap& bitmap, int x, int y) { |
| 646 | if (bitmap.getTexture()) { |
| 647 | return false; |
| 648 | } |
| 649 | SkBitmap bm(bitmap); |
| 650 | bm.lockPixels(); |
| 651 | if (bm.getPixels()) { |
| 652 | return this->writePixels(bm.info(), bm.getPixels(), bm.rowBytes(), x, y); |
| 653 | } |
| 654 | return false; |
| 655 | } |
| 656 | |
| 657 | bool SkCanvas::writePixels(const SkImageInfo& origInfo, const void* pixels, size_t rowBytes, |
| 658 | int x, int y) { |
| 659 | switch (origInfo.colorType()) { |
| 660 | case kUnknown_SkColorType: |
| 661 | case kIndex_8_SkColorType: |
| 662 | return false; |
| 663 | default: |
| 664 | break; |
| 665 | } |
| 666 | if (NULL == pixels || rowBytes < origInfo.minRowBytes()) { |
| 667 | return false; |
| 668 | } |
| 669 | |
| 670 | const SkISize size = this->getBaseLayerSize(); |
| 671 | SkIRect target = SkIRect::MakeXYWH(x, y, origInfo.width(), origInfo.height()); |
| 672 | if (!target.intersect(0, 0, size.width(), size.height())) { |
| 673 | return false; |
| 674 | } |
| 675 | |
| 676 | SkBaseDevice* device = this->getDevice(); |
| 677 | if (!device) { |
| 678 | return false; |
| 679 | } |
| 680 | |
| 681 | SkImageInfo info = origInfo; |
| 682 | // the intersect may have shrunk info's logical size |
| 683 | info.fWidth = target.width(); |
| 684 | info.fHeight = target.height(); |
| 685 | |
| 686 | // if x or y are negative, then we have to adjust pixels |
| 687 | if (x > 0) { |
| 688 | x = 0; |
| 689 | } |
| 690 | if (y > 0) { |
| 691 | y = 0; |
| 692 | } |
| 693 | // here x,y are either 0 or negative |
| 694 | pixels = ((const char*)pixels - y * rowBytes - x * info.bytesPerPixel()); |
| 695 | |
reed | 4af35f3 | 2014-06-27 17:47:49 -0700 | [diff] [blame] | 696 | // Tell our owning surface to bump its generation ID |
| 697 | this->predrawNotify(); |
| 698 | |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 699 | // 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] | 700 | return device->writePixels(info, pixels, rowBytes, target.x(), target.y()); |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 701 | } |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 702 | |
junov@google.com | 4370aed | 2012-01-18 16:21:08 +0000 | [diff] [blame] | 703 | SkCanvas* SkCanvas::canvasForDrawIter() { |
| 704 | return this; |
| 705 | } |
| 706 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 707 | ////////////////////////////////////////////////////////////////////////////// |
| 708 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 709 | void SkCanvas::updateDeviceCMCache() { |
| 710 | if (fDeviceCMDirty) { |
| 711 | const SkMatrix& totalMatrix = this->getTotalMatrix(); |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 712 | const SkRasterClip& totalClip = fMCRec->fRasterClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 713 | DeviceCM* layer = fMCRec->fTopLayer; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 714 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 715 | if (NULL == layer->fNext) { // only one layer |
reed@google.com | 46799cd | 2011-02-22 20:56:26 +0000 | [diff] [blame] | 716 | layer->updateMC(totalMatrix, totalClip, fClipStack, NULL); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 717 | } else { |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 718 | SkRasterClip clip(totalClip); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 719 | do { |
reed@google.com | 46799cd | 2011-02-22 20:56:26 +0000 | [diff] [blame] | 720 | layer->updateMC(totalMatrix, clip, fClipStack, &clip); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 721 | } while ((layer = layer->fNext) != NULL); |
| 722 | } |
| 723 | fDeviceCMDirty = false; |
| 724 | } |
| 725 | } |
| 726 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 727 | /////////////////////////////////////////////////////////////////////////////// |
| 728 | |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 729 | int SkCanvas::internalSave() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 730 | int saveCount = this->getSaveCount(); // record this before the actual save |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 731 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 732 | MCRec* newTop = (MCRec*)fMCStack.push_back(); |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 733 | new (newTop) MCRec(fMCRec); // balanced in restore() |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 734 | fMCRec = newTop; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 735 | |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 736 | fClipStack.save(); |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 737 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 738 | return saveCount; |
| 739 | } |
| 740 | |
commit-bot@chromium.org | d70fa20 | 2014-04-24 21:51:58 +0000 | [diff] [blame] | 741 | int SkCanvas::save() { |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 742 | this->willSave(); |
| 743 | return this->internalSave(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 744 | } |
| 745 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 746 | static bool bounds_affects_clip(SkCanvas::SaveFlags flags) { |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 747 | #ifdef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 748 | return (flags & SkCanvas::kClipToLayer_SaveFlag) != 0; |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 749 | #else |
| 750 | return true; |
| 751 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 752 | } |
| 753 | |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 754 | bool SkCanvas::clipRectBounds(const SkRect* bounds, SaveFlags flags, |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 755 | SkIRect* intersection, const SkImageFilter* imageFilter) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 756 | SkIRect clipBounds; |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 757 | SkRegion::Op op = SkRegion::kIntersect_Op; |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 758 | if (!this->getClipDeviceBounds(&clipBounds)) { |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 759 | return false; |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 760 | } |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 761 | |
| 762 | if (imageFilter) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 763 | imageFilter->filterBounds(clipBounds, fMCRec->fMatrix, &clipBounds); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 764 | // Filters may grow the bounds beyond the device bounds. |
| 765 | op = SkRegion::kReplace_Op; |
| 766 | } |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 767 | SkIRect ir; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 768 | if (NULL != bounds) { |
| 769 | SkRect r; |
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 | this->getTotalMatrix().mapRect(&r, *bounds); |
| 772 | r.roundOut(&ir); |
| 773 | // early exit if the layer's bounds are clipped out |
| 774 | if (!ir.intersect(clipBounds)) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 775 | if (bounds_affects_clip(flags)) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 776 | fMCRec->fRasterClip.setEmpty(); |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 777 | } |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 778 | return false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 779 | } |
| 780 | } else { // no user bounds, so just use the clip |
| 781 | ir = clipBounds; |
| 782 | } |
| 783 | |
senorblanco@chromium.org | 89f077c | 2014-02-24 15:16:42 +0000 | [diff] [blame] | 784 | if (bounds_affects_clip(flags)) { |
| 785 | fClipStack.clipDevRect(ir, op); |
| 786 | // early exit if the clip is now empty |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 787 | if (!fMCRec->fRasterClip.op(ir, op)) { |
senorblanco@chromium.org | 89f077c | 2014-02-24 15:16:42 +0000 | [diff] [blame] | 788 | return false; |
| 789 | } |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 790 | } |
| 791 | |
| 792 | if (intersection) { |
| 793 | *intersection = ir; |
| 794 | } |
| 795 | return true; |
| 796 | } |
| 797 | |
commit-bot@chromium.org | d70fa20 | 2014-04-24 21:51:58 +0000 | [diff] [blame] | 798 | int SkCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint) { |
| 799 | SaveLayerStrategy strategy = this->willSaveLayer(bounds, paint, kARGB_ClipLayer_SaveFlag); |
| 800 | return this->internalSaveLayer(bounds, paint, kARGB_ClipLayer_SaveFlag, false, strategy); |
| 801 | } |
| 802 | |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 803 | int SkCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint, |
| 804 | SaveFlags flags) { |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 805 | SaveLayerStrategy strategy = this->willSaveLayer(bounds, paint, flags); |
| 806 | return this->internalSaveLayer(bounds, paint, flags, false, strategy); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 807 | } |
| 808 | |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 809 | int SkCanvas::internalSaveLayer(const SkRect* bounds, const SkPaint* paint, SaveFlags flags, |
| 810 | bool justForImageFilter, SaveLayerStrategy strategy) { |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 811 | #ifndef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG |
commit-bot@chromium.org | 2a5cd60 | 2014-05-30 20:41:20 +0000 | [diff] [blame] | 812 | flags |= kClipToLayer_SaveFlag; |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 813 | #endif |
| 814 | |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 815 | // do this before we create the layer. We don't call the public save() since |
| 816 | // that would invoke a possibly overridden virtual |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 817 | int count = this->internalSave(); |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 818 | |
| 819 | fDeviceCMDirty = true; |
| 820 | |
| 821 | SkIRect ir; |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 822 | if (!this->clipRectBounds(bounds, flags, &ir, paint ? paint->getImageFilter() : NULL)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 823 | return count; |
| 824 | } |
| 825 | |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 826 | // FIXME: do willSaveLayer() overriders returning kNoLayer_SaveLayerStrategy really care about |
| 827 | // the clipRectBounds() call above? |
| 828 | if (kNoLayer_SaveLayerStrategy == strategy) { |
| 829 | return count; |
| 830 | } |
| 831 | |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 832 | // Kill the imagefilter if our device doesn't allow it |
| 833 | SkLazyPaint lazyP; |
| 834 | if (paint && paint->getImageFilter()) { |
| 835 | if (!this->getTopDevice()->allowImageFilter(paint->getImageFilter())) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 836 | if (justForImageFilter) { |
| 837 | // early exit if the layer was just for the imageFilter |
| 838 | return count; |
| 839 | } |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 840 | SkPaint* p = lazyP.set(*paint); |
| 841 | p->setImageFilter(NULL); |
| 842 | paint = p; |
| 843 | } |
| 844 | } |
| 845 | |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 846 | bool isOpaque = !SkToBool(flags & kHasAlphaLayer_SaveFlag); |
| 847 | SkImageInfo info = SkImageInfo::MakeN32(ir.width(), ir.height(), |
| 848 | isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 849 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 850 | SkBaseDevice* device; |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 851 | if (paint && paint->getImageFilter()) { |
reed | 52d9ac6 | 2014-06-30 09:05:34 -0700 | [diff] [blame] | 852 | device = this->getDevice(); |
| 853 | if (device) { |
| 854 | device = device->createCompatibleDevice(info); |
| 855 | } |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 856 | } else { |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 857 | device = this->createLayerDevice(info); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 858 | } |
bungeman@google.com | e25c684 | 2011-08-17 14:53:54 +0000 | [diff] [blame] | 859 | if (NULL == device) { |
| 860 | SkDebugf("Unable to create device for layer."); |
| 861 | return count; |
| 862 | } |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 863 | |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 864 | device->setOrigin(ir.fLeft, ir.fTop); |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 865 | DeviceCM* layer = SkNEW_ARGS(DeviceCM, (device, ir.fLeft, ir.fTop, paint, this)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 866 | device->unref(); |
| 867 | |
| 868 | layer->fNext = fMCRec->fTopLayer; |
| 869 | fMCRec->fLayer = layer; |
| 870 | fMCRec->fTopLayer = layer; // this field is NOT an owner of layer |
| 871 | |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 872 | fSaveLayerCount += 1; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 873 | return count; |
| 874 | } |
| 875 | |
commit-bot@chromium.org | d70fa20 | 2014-04-24 21:51:58 +0000 | [diff] [blame] | 876 | int SkCanvas::saveLayerAlpha(const SkRect* bounds, U8CPU alpha) { |
| 877 | return this->saveLayerAlpha(bounds, alpha, kARGB_ClipLayer_SaveFlag); |
| 878 | } |
| 879 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 880 | int SkCanvas::saveLayerAlpha(const SkRect* bounds, U8CPU alpha, |
| 881 | SaveFlags flags) { |
| 882 | if (0xFF == alpha) { |
| 883 | return this->saveLayer(bounds, NULL, flags); |
| 884 | } else { |
| 885 | SkPaint tmpPaint; |
| 886 | tmpPaint.setAlpha(alpha); |
| 887 | return this->saveLayer(bounds, &tmpPaint, flags); |
| 888 | } |
| 889 | } |
| 890 | |
| 891 | void SkCanvas::restore() { |
| 892 | // check for underflow |
| 893 | if (fMCStack.count() > 1) { |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 894 | this->willRestore(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 895 | this->internalRestore(); |
| 896 | } |
| 897 | } |
| 898 | |
| 899 | void SkCanvas::internalRestore() { |
| 900 | SkASSERT(fMCStack.count() != 0); |
| 901 | |
| 902 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 903 | fCachedLocalClipBoundsDirty = true; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 904 | |
Florin Malita | 5f6102d | 2014-06-30 10:13:28 -0400 | [diff] [blame] | 905 | fClipStack.restore(); |
commit-bot@chromium.org | 6c15764 | 2013-08-16 00:53:34 +0000 | [diff] [blame] | 906 | |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 907 | // reserve our layer (if any) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 908 | DeviceCM* layer = fMCRec->fLayer; // may be null |
| 909 | // now detach it from fMCRec so we can pop(). Gets freed after its drawn |
| 910 | fMCRec->fLayer = NULL; |
| 911 | |
| 912 | // now do the normal restore() |
| 913 | fMCRec->~MCRec(); // balanced in save() |
| 914 | fMCStack.pop_back(); |
| 915 | fMCRec = (MCRec*)fMCStack.back(); |
| 916 | |
| 917 | /* Time to draw the layer's offscreen. We can't call the public drawSprite, |
| 918 | since if we're being recorded, we don't want to record this (the |
| 919 | recorder will have already recorded the restore). |
| 920 | */ |
| 921 | if (NULL != layer) { |
| 922 | if (layer->fNext) { |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 923 | const SkIPoint& origin = layer->fDevice->getOrigin(); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 924 | this->internalDrawDevice(layer->fDevice, origin.x(), origin.y(), |
| 925 | layer->fPaint); |
| 926 | // reset this, since internalDrawDevice will have set it to true |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 927 | fDeviceCMDirty = true; |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 928 | |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 929 | SkASSERT(fSaveLayerCount > 0); |
| 930 | fSaveLayerCount -= 1; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 931 | } |
| 932 | SkDELETE(layer); |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 933 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 934 | } |
| 935 | |
| 936 | int SkCanvas::getSaveCount() const { |
| 937 | return fMCStack.count(); |
| 938 | } |
| 939 | |
| 940 | void SkCanvas::restoreToCount(int count) { |
| 941 | // sanity check |
| 942 | if (count < 1) { |
| 943 | count = 1; |
| 944 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 945 | |
reed@google.com | b9d1c6a | 2011-11-28 16:09:24 +0000 | [diff] [blame] | 946 | int n = this->getSaveCount() - count; |
| 947 | for (int i = 0; i < n; ++i) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 948 | this->restore(); |
| 949 | } |
| 950 | } |
| 951 | |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 952 | bool SkCanvas::isDrawingToLayer() const { |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 953 | return fSaveLayerCount > 0; |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 954 | } |
| 955 | |
reed@google.com | 76f10a3 | 2014-02-05 15:32:21 +0000 | [diff] [blame] | 956 | SkSurface* SkCanvas::newSurface(const SkImageInfo& info) { |
| 957 | return this->onNewSurface(info); |
| 958 | } |
| 959 | |
| 960 | SkSurface* SkCanvas::onNewSurface(const SkImageInfo& info) { |
| 961 | SkBaseDevice* dev = this->getDevice(); |
| 962 | return dev ? dev->newSurface(info) : NULL; |
| 963 | } |
| 964 | |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 965 | SkImageInfo SkCanvas::imageInfo() const { |
| 966 | SkBaseDevice* dev = this->getDevice(); |
| 967 | if (dev) { |
| 968 | return dev->imageInfo(); |
| 969 | } else { |
reed@google.com | 900ecf2 | 2014-02-20 20:55:37 +0000 | [diff] [blame] | 970 | return SkImageInfo::MakeUnknown(0, 0); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 971 | } |
| 972 | } |
| 973 | |
| 974 | const void* SkCanvas::peekPixels(SkImageInfo* info, size_t* rowBytes) { |
| 975 | return this->onPeekPixels(info, rowBytes); |
| 976 | } |
| 977 | |
| 978 | const void* SkCanvas::onPeekPixels(SkImageInfo* info, size_t* rowBytes) { |
| 979 | SkBaseDevice* dev = this->getDevice(); |
| 980 | return dev ? dev->peekPixels(info, rowBytes) : NULL; |
| 981 | } |
| 982 | |
commit-bot@chromium.org | 6b4aaa7 | 2014-04-21 21:09:38 +0000 | [diff] [blame] | 983 | void* SkCanvas::accessTopLayerPixels(SkImageInfo* info, size_t* rowBytes, SkIPoint* origin) { |
| 984 | void* pixels = this->onAccessTopLayerPixels(info, rowBytes); |
| 985 | if (pixels && origin) { |
| 986 | *origin = this->getTopDevice(false)->getOrigin(); |
| 987 | } |
| 988 | return pixels; |
reed@google.com | 9c135db | 2014-03-12 18:28:35 +0000 | [diff] [blame] | 989 | } |
| 990 | |
| 991 | void* SkCanvas::onAccessTopLayerPixels(SkImageInfo* info, size_t* rowBytes) { |
| 992 | SkBaseDevice* dev = this->getTopDevice(); |
| 993 | return dev ? dev->accessPixels(info, rowBytes) : NULL; |
| 994 | } |
| 995 | |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 996 | SkAutoROCanvasPixels::SkAutoROCanvasPixels(SkCanvas* canvas) { |
| 997 | fAddr = canvas->peekPixels(&fInfo, &fRowBytes); |
| 998 | if (NULL == fAddr) { |
| 999 | fInfo = canvas->imageInfo(); |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 1000 | if (kUnknown_SkColorType == fInfo.colorType() || !fBitmap.allocPixels(fInfo)) { |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1001 | return; // failure, fAddr is NULL |
| 1002 | } |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1003 | if (!canvas->readPixels(&fBitmap, 0, 0)) { |
| 1004 | return; // failure, fAddr is NULL |
| 1005 | } |
| 1006 | fAddr = fBitmap.getPixels(); |
| 1007 | fRowBytes = fBitmap.rowBytes(); |
| 1008 | } |
| 1009 | SkASSERT(fAddr); // success |
| 1010 | } |
| 1011 | |
| 1012 | bool SkAutoROCanvasPixels::asROBitmap(SkBitmap* bitmap) const { |
| 1013 | if (fAddr) { |
commit-bot@chromium.org | 00f8d6c | 2014-05-29 15:57:20 +0000 | [diff] [blame] | 1014 | return bitmap->installPixels(fInfo, const_cast<void*>(fAddr), fRowBytes); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1015 | } else { |
| 1016 | bitmap->reset(); |
| 1017 | return false; |
| 1018 | } |
| 1019 | } |
| 1020 | |
commit-bot@chromium.org | 210ae2a | 2014-02-27 17:40:13 +0000 | [diff] [blame] | 1021 | void SkCanvas::onPushCull(const SkRect& cullRect) { |
| 1022 | // do nothing. Subclasses may do something |
| 1023 | } |
| 1024 | |
| 1025 | void SkCanvas::onPopCull() { |
| 1026 | // do nothing. Subclasses may do something |
| 1027 | } |
| 1028 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1029 | ///////////////////////////////////////////////////////////////////////////// |
commit-bot@chromium.org | 520cf8b | 2014-03-20 20:25:14 +0000 | [diff] [blame] | 1030 | #ifdef SK_DEBUG |
| 1031 | // Ensure that cull rects are monotonically nested in device space. |
| 1032 | void SkCanvas::validateCull(const SkIRect& devCull) { |
| 1033 | if (fCullStack.isEmpty() |
| 1034 | || devCull.isEmpty() |
| 1035 | || fCullStack.top().contains(devCull)) { |
| 1036 | return; |
| 1037 | } |
| 1038 | |
| 1039 | SkDEBUGF(("Invalid cull: [%d %d %d %d] (previous cull: [%d %d %d %d])\n", |
| 1040 | devCull.x(), devCull.y(), devCull.right(), devCull.bottom(), |
| 1041 | fCullStack.top().x(), fCullStack.top().y(), |
| 1042 | fCullStack.top().right(), fCullStack.top().bottom())); |
| 1043 | |
| 1044 | #ifdef ASSERT_NESTED_CULLING |
| 1045 | SkDEBUGFAIL("Invalid cull."); |
| 1046 | #endif |
| 1047 | } |
| 1048 | #endif |
| 1049 | |
| 1050 | void SkCanvas::pushCull(const SkRect& cullRect) { |
| 1051 | ++fCullCount; |
| 1052 | this->onPushCull(cullRect); |
| 1053 | |
| 1054 | #ifdef SK_DEBUG |
| 1055 | // Map the cull rect into device space. |
| 1056 | SkRect mappedCull; |
| 1057 | this->getTotalMatrix().mapRect(&mappedCull, cullRect); |
| 1058 | |
| 1059 | // Take clipping into account. |
| 1060 | SkIRect devClip, devCull; |
| 1061 | mappedCull.roundOut(&devCull); |
| 1062 | this->getClipDeviceBounds(&devClip); |
| 1063 | if (!devCull.intersect(devClip)) { |
| 1064 | devCull.setEmpty(); |
| 1065 | } |
| 1066 | |
| 1067 | this->validateCull(devCull); |
| 1068 | fCullStack.push(devCull); // balanced in popCull |
| 1069 | #endif |
| 1070 | } |
| 1071 | |
| 1072 | void SkCanvas::popCull() { |
| 1073 | SkASSERT(fCullStack.count() == fCullCount); |
| 1074 | |
| 1075 | if (fCullCount > 0) { |
| 1076 | --fCullCount; |
| 1077 | this->onPopCull(); |
| 1078 | |
| 1079 | SkDEBUGCODE(fCullStack.pop()); |
| 1080 | } |
| 1081 | } |
| 1082 | |
| 1083 | ///////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1084 | |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1085 | void SkCanvas::internalDrawBitmap(const SkBitmap& bitmap, |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1086 | const SkMatrix& matrix, const SkPaint* paint) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1087 | if (bitmap.drawsNothing()) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1088 | return; |
| 1089 | } |
| 1090 | |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 1091 | SkLazyPaint lazy; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1092 | if (NULL == paint) { |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 1093 | paint = lazy.init(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1094 | } |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1095 | |
| 1096 | SkDEBUGCODE(bitmap.validate();) |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1097 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1098 | SkRect storage; |
| 1099 | const SkRect* bounds = NULL; |
| 1100 | if (paint && paint->canComputeFastBounds()) { |
| 1101 | bitmap.getBounds(&storage); |
| 1102 | matrix.mapRect(&storage); |
| 1103 | bounds = &paint->computeFastBounds(storage, &storage); |
| 1104 | } |
| 1105 | |
| 1106 | LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, bounds) |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1107 | |
| 1108 | while (iter.next()) { |
| 1109 | iter.fDevice->drawBitmap(iter, bitmap, matrix, looper.paint()); |
| 1110 | } |
| 1111 | |
| 1112 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1113 | } |
| 1114 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1115 | void SkCanvas::internalDrawDevice(SkBaseDevice* srcDev, int x, int y, |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1116 | const SkPaint* paint) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1117 | SkPaint tmp; |
| 1118 | if (NULL == paint) { |
| 1119 | tmp.setDither(true); |
| 1120 | paint = &tmp; |
| 1121 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1122 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1123 | LOOPER_BEGIN_DRAWDEVICE(*paint, SkDrawFilter::kBitmap_Type) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1124 | while (iter.next()) { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1125 | SkBaseDevice* dstDev = iter.fDevice; |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1126 | paint = &looper.paint(); |
| 1127 | SkImageFilter* filter = paint->getImageFilter(); |
| 1128 | SkIPoint pos = { x - iter.getX(), y - iter.getY() }; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1129 | if (filter && !dstDev->canHandleImageFilter(filter)) { |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 1130 | SkDeviceImageFilterProxy proxy(dstDev); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1131 | SkBitmap dst; |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1132 | SkIPoint offset = SkIPoint::Make(0, 0); |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 1133 | const SkBitmap& src = srcDev->accessBitmap(false); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1134 | SkMatrix matrix = *iter.fMatrix; |
senorblanco@chromium.org | d5424a4 | 2014-04-02 19:20:05 +0000 | [diff] [blame] | 1135 | matrix.postTranslate(SkIntToScalar(-pos.x()), SkIntToScalar(-pos.y())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1136 | SkIRect clipBounds = SkIRect::MakeWH(srcDev->width(), srcDev->height()); |
senorblanco | 55b6d8b | 2014-07-30 11:26:46 -0700 | [diff] [blame] | 1137 | SkAutoTUnref<SkImageFilter::UniqueIDCache> cache(dstDev->getImageFilterCache()); |
| 1138 | SkImageFilter::Context ctx(matrix, clipBounds, cache.get()); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1139 | if (filter->filterImage(&proxy, src, ctx, &dst, &offset)) { |
tomhudson@google.com | 5efe0cb | 2012-04-10 19:14:48 +0000 | [diff] [blame] | 1140 | SkPaint tmpUnfiltered(*paint); |
| 1141 | tmpUnfiltered.setImageFilter(NULL); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1142 | dstDev->drawSprite(iter, dst, pos.x() + offset.x(), pos.y() + offset.y(), |
| 1143 | tmpUnfiltered); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1144 | } |
| 1145 | } else { |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 1146 | dstDev->drawDevice(iter, srcDev, pos.x(), pos.y(), *paint); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1147 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1148 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1149 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1150 | } |
| 1151 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1152 | void SkCanvas::drawSprite(const SkBitmap& bitmap, int x, int y, |
| 1153 | const SkPaint* paint) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1154 | if (bitmap.drawsNothing()) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1155 | return; |
| 1156 | } |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1157 | SkDEBUGCODE(bitmap.validate();) |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1158 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1159 | SkPaint tmp; |
| 1160 | if (NULL == paint) { |
| 1161 | paint = &tmp; |
| 1162 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +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) |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1165 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1166 | while (iter.next()) { |
| 1167 | paint = &looper.paint(); |
| 1168 | SkImageFilter* filter = paint->getImageFilter(); |
| 1169 | SkIPoint pos = { x - iter.getX(), y - iter.getY() }; |
| 1170 | if (filter && !iter.fDevice->canHandleImageFilter(filter)) { |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 1171 | SkDeviceImageFilterProxy proxy(iter.fDevice); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +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); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1174 | SkMatrix matrix = *iter.fMatrix; |
senorblanco@chromium.org | d5424a4 | 2014-04-02 19:20:05 +0000 | [diff] [blame] | 1175 | matrix.postTranslate(SkIntToScalar(-pos.x()), SkIntToScalar(-pos.y())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1176 | SkIRect clipBounds = SkIRect::MakeWH(bitmap.width(), bitmap.height()); |
senorblanco | 55b6d8b | 2014-07-30 11:26:46 -0700 | [diff] [blame] | 1177 | SkAutoTUnref<SkImageFilter::UniqueIDCache> cache(iter.fDevice->getImageFilterCache()); |
| 1178 | SkImageFilter::Context ctx(matrix, clipBounds, cache.get()); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1179 | if (filter->filterImage(&proxy, bitmap, ctx, &dst, &offset)) { |
tomhudson@google.com | 5efe0cb | 2012-04-10 19:14:48 +0000 | [diff] [blame] | 1180 | SkPaint tmpUnfiltered(*paint); |
| 1181 | tmpUnfiltered.setImageFilter(NULL); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1182 | 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] | 1183 | tmpUnfiltered); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1184 | } |
| 1185 | } else { |
| 1186 | iter.fDevice->drawSprite(iter, bitmap, pos.x(), pos.y(), *paint); |
| 1187 | } |
| 1188 | } |
| 1189 | LOOPER_END |
| 1190 | } |
| 1191 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1192 | ///////////////////////////////////////////////////////////////////////////// |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1193 | void SkCanvas::translate(SkScalar dx, SkScalar dy) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1194 | SkMatrix m; |
| 1195 | m.setTranslate(dx, dy); |
| 1196 | this->concat(m); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1197 | } |
| 1198 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1199 | void SkCanvas::scale(SkScalar sx, SkScalar sy) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1200 | SkMatrix m; |
| 1201 | m.setScale(sx, sy); |
| 1202 | this->concat(m); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1203 | } |
| 1204 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1205 | void SkCanvas::rotate(SkScalar degrees) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1206 | SkMatrix m; |
| 1207 | m.setRotate(degrees); |
| 1208 | this->concat(m); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1209 | } |
| 1210 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1211 | void SkCanvas::skew(SkScalar sx, SkScalar sy) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1212 | SkMatrix m; |
| 1213 | m.setSkew(sx, sy); |
| 1214 | this->concat(m); |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1215 | } |
| 1216 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1217 | void SkCanvas::concat(const SkMatrix& matrix) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1218 | if (matrix.isIdentity()) { |
| 1219 | return; |
| 1220 | } |
| 1221 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1222 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1223 | fCachedLocalClipBoundsDirty = true; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1224 | fMCRec->fMatrix.preConcat(matrix); |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1225 | |
| 1226 | this->didConcat(matrix); |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1227 | } |
| 1228 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1229 | void SkCanvas::setMatrix(const SkMatrix& matrix) { |
| 1230 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1231 | fCachedLocalClipBoundsDirty = true; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1232 | fMCRec->fMatrix = matrix; |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1233 | this->didSetMatrix(matrix); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1234 | } |
| 1235 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1236 | void SkCanvas::resetMatrix() { |
| 1237 | SkMatrix matrix; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1238 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1239 | matrix.reset(); |
| 1240 | this->setMatrix(matrix); |
| 1241 | } |
| 1242 | |
| 1243 | ////////////////////////////////////////////////////////////////////////////// |
| 1244 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1245 | void SkCanvas::clipRect(const SkRect& rect, SkRegion::Op op, bool doAA) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1246 | ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle; |
| 1247 | this->onClipRect(rect, op, edgeStyle); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1248 | } |
| 1249 | |
| 1250 | void SkCanvas::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1251 | #ifdef SK_ENABLE_CLIP_QUICKREJECT |
| 1252 | if (SkRegion::kIntersect_Op == op) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1253 | if (fMCRec->fRasterClip.isEmpty()) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1254 | return false; |
| 1255 | } |
| 1256 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1257 | if (this->quickReject(rect)) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1258 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1259 | fCachedLocalClipBoundsDirty = true; |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1260 | |
| 1261 | fClipStack.clipEmpty(); |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1262 | return fMCRec->fRasterClip.setEmpty(); |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1263 | } |
| 1264 | } |
| 1265 | #endif |
| 1266 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1267 | AutoValidateClip avc(this); |
| 1268 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1269 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1270 | fCachedLocalClipBoundsDirty = true; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1271 | if (!fAllowSoftClip) { |
| 1272 | edgeStyle = kHard_ClipEdgeStyle; |
| 1273 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1274 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1275 | if (fMCRec->fMatrix.rectStaysRect()) { |
robertphillips@google.com | 1236719 | 2013-10-20 13:11:16 +0000 | [diff] [blame] | 1276 | // 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] | 1277 | // the matrix. This means we don't have to a) make a path, and b) tell |
| 1278 | // the region code to scan-convert the path, only to discover that it |
| 1279 | // is really just a rect. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1280 | SkRect r; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1281 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1282 | fMCRec->fMatrix.mapRect(&r, rect); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1283 | fClipStack.clipDevRect(r, op, kSoft_ClipEdgeStyle == edgeStyle); |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1284 | fMCRec->fRasterClip.op(r, op, kSoft_ClipEdgeStyle == edgeStyle); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1285 | } else { |
robertphillips@google.com | 1236719 | 2013-10-20 13:11:16 +0000 | [diff] [blame] | 1286 | // 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] | 1287 | // and clip against that, since it can handle any matrix. However, to |
| 1288 | // avoid recursion in the case where we are subclassed (e.g. Pictures) |
| 1289 | // we explicitly call "our" version of clipPath. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1290 | SkPath path; |
| 1291 | |
| 1292 | path.addRect(rect); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1293 | this->SkCanvas::onClipPath(path, op, edgeStyle); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1294 | } |
| 1295 | } |
| 1296 | |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1297 | static void clip_path_helper(const SkCanvas* canvas, SkRasterClip* currClip, |
| 1298 | const SkPath& devPath, SkRegion::Op op, bool doAA) { |
reed@google.com | 759876a | 2011-03-03 14:32:51 +0000 | [diff] [blame] | 1299 | // base is used to limit the size (and therefore memory allocation) of the |
| 1300 | // region that results from scan converting devPath. |
| 1301 | SkRegion base; |
| 1302 | |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1303 | if (SkRegion::kIntersect_Op == op) { |
reed@google.com | 759876a | 2011-03-03 14:32:51 +0000 | [diff] [blame] | 1304 | // since we are intersect, we can do better (tighter) with currRgn's |
| 1305 | // bounds, than just using the device. However, if currRgn is complex, |
| 1306 | // our region blitter may hork, so we do that case in two steps. |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 1307 | if (currClip->isRect()) { |
commit-bot@chromium.org | b446fc7 | 2013-07-10 20:55:39 +0000 | [diff] [blame] | 1308 | // FIXME: we should also be able to do this when currClip->isBW(), |
| 1309 | // but relaxing the test above triggers GM asserts in |
| 1310 | // SkRgnBuilder::blitH(). We need to investigate what's going on. |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1311 | currClip->setPath(devPath, currClip->bwRgn(), doAA); |
reed@google.com | 759876a | 2011-03-03 14:32:51 +0000 | [diff] [blame] | 1312 | } else { |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 1313 | base.setRect(currClip->getBounds()); |
| 1314 | SkRasterClip clip; |
| 1315 | clip.setPath(devPath, base, doAA); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1316 | currClip->op(clip, op); |
reed@google.com | 759876a | 2011-03-03 14:32:51 +0000 | [diff] [blame] | 1317 | } |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1318 | } else { |
reed | 52d9ac6 | 2014-06-30 09:05:34 -0700 | [diff] [blame] | 1319 | const SkISize size = canvas->getBaseLayerSize(); |
| 1320 | base.setRect(0, 0, size.width(), size.height()); |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1321 | |
| 1322 | if (SkRegion::kReplace_Op == op) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1323 | currClip->setPath(devPath, base, doAA); |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1324 | } else { |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 1325 | SkRasterClip clip; |
| 1326 | clip.setPath(devPath, base, doAA); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1327 | currClip->op(clip, op); |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1328 | } |
| 1329 | } |
| 1330 | } |
| 1331 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1332 | void SkCanvas::clipRRect(const SkRRect& rrect, SkRegion::Op op, bool doAA) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1333 | ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1334 | if (rrect.isRect()) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1335 | this->onClipRect(rrect.getBounds(), op, edgeStyle); |
| 1336 | } else { |
| 1337 | this->onClipRRect(rrect, op, edgeStyle); |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1338 | } |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1339 | } |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1340 | |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1341 | 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] | 1342 | SkRRect transformedRRect; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1343 | if (rrect.transform(fMCRec->fMatrix, &transformedRRect)) { |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1344 | AutoValidateClip avc(this); |
| 1345 | |
| 1346 | fDeviceCMDirty = true; |
| 1347 | fCachedLocalClipBoundsDirty = true; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1348 | if (!fAllowSoftClip) { |
| 1349 | edgeStyle = kHard_ClipEdgeStyle; |
| 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 | fClipStack.clipDevRRect(transformedRRect, op, kSoft_ClipEdgeStyle == edgeStyle); |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1353 | |
| 1354 | SkPath devPath; |
| 1355 | devPath.addRRect(transformedRRect); |
| 1356 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1357 | clip_path_helper(this, &fMCRec->fRasterClip, devPath, op, kSoft_ClipEdgeStyle == edgeStyle); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1358 | return; |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1359 | } |
| 1360 | |
| 1361 | SkPath path; |
| 1362 | path.addRRect(rrect); |
| 1363 | // call the non-virtual version |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1364 | this->SkCanvas::onClipPath(path, op, edgeStyle); |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1365 | } |
| 1366 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1367 | void SkCanvas::clipPath(const SkPath& path, SkRegion::Op op, bool doAA) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1368 | ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle; |
| 1369 | SkRect r; |
| 1370 | if (!path.isInverseFillType() && path.isRect(&r)) { |
| 1371 | this->onClipRect(r, op, edgeStyle); |
| 1372 | } else { |
| 1373 | this->onClipPath(path, op, edgeStyle); |
| 1374 | } |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1375 | } |
| 1376 | |
| 1377 | void SkCanvas::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1378 | #ifdef SK_ENABLE_CLIP_QUICKREJECT |
| 1379 | if (SkRegion::kIntersect_Op == op && !path.isInverseFillType()) { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1380 | if (fMCRec->fRasterClip.isEmpty()) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1381 | return false; |
| 1382 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1383 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1384 | if (this->quickReject(path.getBounds())) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1385 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1386 | fCachedLocalClipBoundsDirty = true; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1387 | |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1388 | fClipStack.clipEmpty(); |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1389 | return fMCRec->fRasterClip.setEmpty(); |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1390 | } |
| 1391 | } |
| 1392 | #endif |
| 1393 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1394 | AutoValidateClip avc(this); |
| 1395 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1396 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1397 | fCachedLocalClipBoundsDirty = true; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1398 | if (!fAllowSoftClip) { |
| 1399 | edgeStyle = kHard_ClipEdgeStyle; |
| 1400 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1401 | |
| 1402 | SkPath devPath; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1403 | path.transform(fMCRec->fMatrix, &devPath); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1404 | |
reed@google.com | fe70112 | 2011-11-08 19:41:23 +0000 | [diff] [blame] | 1405 | // Check if the transfomation, or the original path itself |
| 1406 | // made us empty. Note this can also happen if we contained NaN |
| 1407 | // values. computing the bounds detects this, and will set our |
| 1408 | // bounds to empty if that is the case. (see SkRect::set(pts, count)) |
| 1409 | if (devPath.getBounds().isEmpty()) { |
| 1410 | // resetting the path will remove any NaN or other wanky values |
| 1411 | // that might upset our scan converter. |
| 1412 | devPath.reset(); |
| 1413 | } |
| 1414 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1415 | // 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] | 1416 | fClipStack.clipDevPath(devPath, op, kSoft_ClipEdgeStyle == edgeStyle); |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1417 | |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1418 | if (fAllowSimplifyClip) { |
| 1419 | devPath.reset(); |
| 1420 | devPath.setFillType(SkPath::kInverseEvenOdd_FillType); |
| 1421 | const SkClipStack* clipStack = getClipStack(); |
| 1422 | SkClipStack::Iter iter(*clipStack, SkClipStack::Iter::kBottom_IterStart); |
| 1423 | const SkClipStack::Element* element; |
| 1424 | while ((element = iter.next())) { |
| 1425 | SkClipStack::Element::Type type = element->getType(); |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1426 | SkPath operand; |
commit-bot@chromium.org | 2a67e12 | 2014-05-19 13:53:10 +0000 | [diff] [blame] | 1427 | if (type != SkClipStack::Element::kEmpty_Type) { |
| 1428 | element->asPath(&operand); |
| 1429 | } |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1430 | SkRegion::Op elementOp = element->getOp(); |
| 1431 | if (elementOp == SkRegion::kReplace_Op) { |
| 1432 | devPath = operand; |
| 1433 | } else { |
| 1434 | Op(devPath, operand, (SkPathOp) elementOp, &devPath); |
| 1435 | } |
caryclark@google.com | 96fd344 | 2013-05-07 19:48:31 +0000 | [diff] [blame] | 1436 | // if the prev and curr clips disagree about aa -vs- not, favor the aa request. |
| 1437 | // perhaps we need an API change to avoid this sort of mixed-signals about |
| 1438 | // clipping. |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1439 | if (element->isAA()) { |
| 1440 | edgeStyle = kSoft_ClipEdgeStyle; |
| 1441 | } |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1442 | } |
| 1443 | op = SkRegion::kReplace_Op; |
| 1444 | } |
| 1445 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1446 | clip_path_helper(this, &fMCRec->fRasterClip, devPath, op, edgeStyle); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1447 | } |
| 1448 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1449 | void SkCanvas::updateClipConservativelyUsingBounds(const SkRect& bounds, SkRegion::Op op, |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1450 | bool inverseFilled) { |
| 1451 | // This is for updating the clip conservatively using only bounds |
| 1452 | // information. |
| 1453 | // Contract: |
| 1454 | // The current clip must contain the true clip. The true |
| 1455 | // clip is the clip that would have normally been computed |
| 1456 | // by calls to clipPath and clipRRect |
| 1457 | // Objective: |
| 1458 | // Keep the current clip as small as possible without |
| 1459 | // breaking the contract, using only clip bounding rectangles |
| 1460 | // (for performance). |
| 1461 | |
| 1462 | // N.B.: This *never* calls back through a virtual on canvas, so subclasses |
| 1463 | // don't have to worry about getting caught in a loop. Thus anywhere |
| 1464 | // we call a virtual method, we explicitly prefix it with |
| 1465 | // SkCanvas:: to be sure to call the base-class. |
skia.committer@gmail.com | a5d3e77 | 2013-05-30 07:01:29 +0000 | [diff] [blame] | 1466 | |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1467 | if (inverseFilled) { |
| 1468 | switch (op) { |
| 1469 | case SkRegion::kIntersect_Op: |
| 1470 | case SkRegion::kDifference_Op: |
| 1471 | // These ops can only shrink the current clip. So leaving |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1472 | // the clip unchanged conservatively respects the contract. |
| 1473 | break; |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1474 | case SkRegion::kUnion_Op: |
| 1475 | case SkRegion::kReplace_Op: |
| 1476 | case SkRegion::kReverseDifference_Op: |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1477 | case SkRegion::kXOR_Op: { |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1478 | // These ops can grow the current clip up to the extents of |
| 1479 | // the input clip, which is inverse filled, so we just set |
| 1480 | // the current clip to the device bounds. |
| 1481 | SkRect deviceBounds; |
| 1482 | SkIRect deviceIBounds; |
| 1483 | this->getDevice()->getGlobalBounds(&deviceIBounds); |
reed@google.com | 4469938 | 2013-10-31 17:28:30 +0000 | [diff] [blame] | 1484 | deviceBounds = SkRect::Make(deviceIBounds); |
commit-bot@chromium.org | 091a594 | 2014-04-18 14:19:31 +0000 | [diff] [blame] | 1485 | |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1486 | // set the clip in device space |
commit-bot@chromium.org | 091a594 | 2014-04-18 14:19:31 +0000 | [diff] [blame] | 1487 | SkMatrix savedMatrix = this->getTotalMatrix(); |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1488 | this->SkCanvas::setMatrix(SkMatrix::I()); |
skia.committer@gmail.com | 370a899 | 2014-03-01 03:02:09 +0000 | [diff] [blame] | 1489 | this->SkCanvas::onClipRect(deviceBounds, SkRegion::kReplace_Op, |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1490 | kHard_ClipEdgeStyle); |
commit-bot@chromium.org | 091a594 | 2014-04-18 14:19:31 +0000 | [diff] [blame] | 1491 | this->setMatrix(savedMatrix); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1492 | break; |
| 1493 | } |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1494 | default: |
| 1495 | SkASSERT(0); // unhandled op? |
| 1496 | } |
| 1497 | } else { |
| 1498 | // Not inverse filled |
| 1499 | switch (op) { |
| 1500 | case SkRegion::kIntersect_Op: |
| 1501 | case SkRegion::kUnion_Op: |
| 1502 | case SkRegion::kReplace_Op: |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1503 | this->SkCanvas::onClipRect(bounds, op, kHard_ClipEdgeStyle); |
| 1504 | break; |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1505 | case SkRegion::kDifference_Op: |
| 1506 | // Difference can only shrink the current clip. |
| 1507 | // Leaving clip unchanged conservatively fullfills the contract. |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1508 | break; |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1509 | case SkRegion::kReverseDifference_Op: |
| 1510 | // To reverse, we swap in the bounds with a replace op. |
| 1511 | // As with difference, leave it unchanged. |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1512 | this->SkCanvas::onClipRect(bounds, SkRegion::kReplace_Op, kHard_ClipEdgeStyle); |
| 1513 | break; |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1514 | case SkRegion::kXOR_Op: |
| 1515 | // Be conservative, based on (A XOR B) always included in (A union B), |
| 1516 | // which is always included in (bounds(A) union bounds(B)) |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1517 | this->SkCanvas::onClipRect(bounds, SkRegion::kUnion_Op, kHard_ClipEdgeStyle); |
| 1518 | break; |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1519 | default: |
| 1520 | SkASSERT(0); // unhandled op? |
| 1521 | } |
| 1522 | } |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1523 | } |
| 1524 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1525 | void SkCanvas::clipRegion(const SkRegion& rgn, SkRegion::Op op) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1526 | this->onClipRegion(rgn, op); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1527 | } |
| 1528 | |
| 1529 | void SkCanvas::onClipRegion(const SkRegion& rgn, SkRegion::Op op) { |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1530 | AutoValidateClip avc(this); |
| 1531 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1532 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1533 | fCachedLocalClipBoundsDirty = true; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1534 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1535 | // todo: signal fClipStack that we have a region, and therefore (I guess) |
| 1536 | // we have to ignore it, and use the region directly? |
reed@google.com | 115d931 | 2012-05-16 18:50:40 +0000 | [diff] [blame] | 1537 | fClipStack.clipDevRect(rgn.getBounds(), op); |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1538 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1539 | fMCRec->fRasterClip.op(rgn, op); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1540 | } |
| 1541 | |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1542 | #ifdef SK_DEBUG |
| 1543 | void SkCanvas::validateClip() const { |
| 1544 | // construct clipRgn from the clipstack |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1545 | const SkBaseDevice* device = this->getDevice(); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 1546 | if (!device) { |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1547 | SkASSERT(this->isClipEmpty()); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 1548 | return; |
| 1549 | } |
| 1550 | |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1551 | SkIRect ir; |
| 1552 | ir.set(0, 0, device->width(), device->height()); |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 1553 | SkRasterClip tmpClip(ir); |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1554 | |
robertphillips@google.com | 80214e2 | 2012-07-20 15:33:18 +0000 | [diff] [blame] | 1555 | SkClipStack::B2TIter iter(fClipStack); |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1556 | const SkClipStack::Element* element; |
| 1557 | while ((element = iter.next()) != NULL) { |
| 1558 | switch (element->getType()) { |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1559 | case SkClipStack::Element::kRect_Type: |
| 1560 | element->getRect().round(&ir); |
| 1561 | tmpClip.op(ir, element->getOp()); |
| 1562 | break; |
| 1563 | case SkClipStack::Element::kEmpty_Type: |
| 1564 | tmpClip.setEmpty(); |
| 1565 | break; |
commit-bot@chromium.org | 9cb671a | 2014-02-16 14:45:45 +0000 | [diff] [blame] | 1566 | default: { |
| 1567 | SkPath path; |
| 1568 | element->asPath(&path); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1569 | clip_path_helper(this, &tmpClip, path, element->getOp(), element->isAA()); |
commit-bot@chromium.org | 9cb671a | 2014-02-16 14:45:45 +0000 | [diff] [blame] | 1570 | break; |
| 1571 | } |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1572 | } |
| 1573 | } |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1574 | } |
| 1575 | #endif |
| 1576 | |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 1577 | void SkCanvas::replayClips(ClipVisitor* visitor) const { |
robertphillips@google.com | 80214e2 | 2012-07-20 15:33:18 +0000 | [diff] [blame] | 1578 | SkClipStack::B2TIter iter(fClipStack); |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1579 | const SkClipStack::Element* element; |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 1580 | |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1581 | while ((element = iter.next()) != NULL) { |
fmalita | c3b589a | 2014-06-05 12:40:07 -0700 | [diff] [blame] | 1582 | element->replay(visitor); |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 1583 | } |
| 1584 | } |
| 1585 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1586 | /////////////////////////////////////////////////////////////////////////////// |
| 1587 | |
reed@google.com | 754de5f | 2014-02-24 19:38:20 +0000 | [diff] [blame] | 1588 | bool SkCanvas::isClipEmpty() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1589 | return fMCRec->fRasterClip.isEmpty(); |
reed@google.com | 754de5f | 2014-02-24 19:38:20 +0000 | [diff] [blame] | 1590 | } |
| 1591 | |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1592 | bool SkCanvas::isClipRect() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1593 | return fMCRec->fRasterClip.isRect(); |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1594 | } |
| 1595 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1596 | bool SkCanvas::quickReject(const SkRect& rect) const { |
wjmaclean@chromium.org | 116b2bc | 2011-02-07 17:48:37 +0000 | [diff] [blame] | 1597 | |
reed@google.com | 1607863 | 2011-12-06 18:56:37 +0000 | [diff] [blame] | 1598 | if (!rect.isFinite()) |
wjmaclean@chromium.org | 116b2bc | 2011-02-07 17:48:37 +0000 | [diff] [blame] | 1599 | return true; |
| 1600 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1601 | if (fMCRec->fRasterClip.isEmpty()) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1602 | return true; |
| 1603 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1604 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1605 | if (fMCRec->fMatrix.hasPerspective()) { |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1606 | SkRect dst; |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1607 | fMCRec->fMatrix.mapRect(&dst, rect); |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1608 | SkIRect idst; |
| 1609 | dst.roundOut(&idst); |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1610 | return !SkIRect::Intersects(idst, fMCRec->fRasterClip.getBounds()); |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1611 | } else { |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1612 | const SkRect& clipR = this->getLocalClipBounds(); |
reed@android.com | d252db0 | 2009-04-01 18:31:44 +0000 | [diff] [blame] | 1613 | |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1614 | // for speed, do the most likely reject compares first |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1615 | // TODO: should we use | instead, or compare all 4 at once? |
| 1616 | if (rect.fTop >= clipR.fBottom || rect.fBottom <= clipR.fTop) { |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1617 | return true; |
| 1618 | } |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1619 | if (rect.fLeft >= clipR.fRight || rect.fRight <= clipR.fLeft) { |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1620 | return true; |
| 1621 | } |
| 1622 | return false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1623 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1624 | } |
| 1625 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1626 | bool SkCanvas::quickReject(const SkPath& path) const { |
| 1627 | return path.isEmpty() || this->quickReject(path.getBounds()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1628 | } |
| 1629 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1630 | bool SkCanvas::getClipBounds(SkRect* bounds) const { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1631 | SkIRect ibounds; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1632 | if (!this->getClipDeviceBounds(&ibounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1633 | return false; |
| 1634 | } |
| 1635 | |
reed@android.com | d9c0f0b | 2009-02-06 22:39:37 +0000 | [diff] [blame] | 1636 | SkMatrix inverse; |
| 1637 | // 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] | 1638 | if (!fMCRec->fMatrix.invert(&inverse)) { |
reed@android.com | 72dcd3a | 2009-05-18 15:46:29 +0000 | [diff] [blame] | 1639 | if (bounds) { |
| 1640 | bounds->setEmpty(); |
| 1641 | } |
reed@android.com | d9c0f0b | 2009-02-06 22:39:37 +0000 | [diff] [blame] | 1642 | return false; |
| 1643 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1644 | |
reed@android.com | d9c0f0b | 2009-02-06 22:39:37 +0000 | [diff] [blame] | 1645 | if (NULL != bounds) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1646 | SkRect r; |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1647 | // adjust it outwards in case we are antialiasing |
| 1648 | const int inset = 1; |
reed@google.com | fa4d5bd | 2012-01-30 17:36:27 +0000 | [diff] [blame] | 1649 | |
reed@google.com | 8f4d230 | 2013-12-17 16:44:46 +0000 | [diff] [blame] | 1650 | r.iset(ibounds.fLeft - inset, ibounds.fTop - inset, |
| 1651 | ibounds.fRight + inset, ibounds.fBottom + inset); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1652 | inverse.mapRect(bounds, r); |
| 1653 | } |
| 1654 | return true; |
| 1655 | } |
| 1656 | |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1657 | bool SkCanvas::getClipDeviceBounds(SkIRect* bounds) const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1658 | const SkRasterClip& clip = fMCRec->fRasterClip; |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1659 | if (clip.isEmpty()) { |
| 1660 | if (bounds) { |
| 1661 | bounds->setEmpty(); |
| 1662 | } |
| 1663 | return false; |
| 1664 | } |
| 1665 | |
| 1666 | if (NULL != bounds) { |
| 1667 | *bounds = clip.getBounds(); |
| 1668 | } |
| 1669 | return true; |
| 1670 | } |
| 1671 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1672 | const SkMatrix& SkCanvas::getTotalMatrix() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1673 | return fMCRec->fMatrix; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1674 | } |
| 1675 | |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1676 | #ifdef SK_SUPPORT_LEGACY_GETCLIPTYPE |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1677 | SkCanvas::ClipType SkCanvas::getClipType() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1678 | if (fMCRec->fRasterClip.isEmpty()) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1679 | return kEmpty_ClipType; |
| 1680 | } |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1681 | if (fMCRec->fRasterClip.isRect()) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1682 | return kRect_ClipType; |
| 1683 | } |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1684 | return kComplex_ClipType; |
| 1685 | } |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1686 | #endif |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1687 | |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1688 | const SkRegion& SkCanvas::internal_private_getTotalClip() const { |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1689 | return fMCRec->fRasterClip.forceGetBW(); |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1690 | } |
| 1691 | |
| 1692 | void SkCanvas::internal_private_getTotalClipAsPath(SkPath* path) const { |
| 1693 | path->reset(); |
| 1694 | |
reed | 1f836ee | 2014-07-07 07:49:34 -0700 | [diff] [blame] | 1695 | const SkRegion& rgn = fMCRec->fRasterClip.forceGetBW(); |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1696 | if (rgn.isEmpty()) { |
| 1697 | return; |
| 1698 | } |
| 1699 | (void)rgn.getBoundaryPath(path); |
| 1700 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1701 | |
reed@google.com | 9c135db | 2014-03-12 18:28:35 +0000 | [diff] [blame] | 1702 | GrRenderTarget* SkCanvas::internal_private_accessTopLayerRenderTarget() { |
| 1703 | SkBaseDevice* dev = this->getTopDevice(); |
| 1704 | return dev ? dev->accessRenderTarget() : NULL; |
| 1705 | } |
| 1706 | |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 1707 | SkBaseDevice* SkCanvas::createLayerDevice(const SkImageInfo& info) { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1708 | SkBaseDevice* device = this->getTopDevice(); |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 1709 | return device ? device->createCompatibleDeviceForSaveLayer(info) : NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1710 | } |
| 1711 | |
commit-bot@chromium.org | 644629c | 2013-11-21 06:21:58 +0000 | [diff] [blame] | 1712 | GrContext* SkCanvas::getGrContext() { |
| 1713 | #if SK_SUPPORT_GPU |
| 1714 | SkBaseDevice* device = this->getTopDevice(); |
| 1715 | if (NULL != device) { |
| 1716 | GrRenderTarget* renderTarget = device->accessRenderTarget(); |
| 1717 | if (NULL != renderTarget) { |
| 1718 | return renderTarget->getContext(); |
| 1719 | } |
| 1720 | } |
| 1721 | #endif |
| 1722 | |
| 1723 | return NULL; |
| 1724 | |
| 1725 | } |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 1726 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1727 | void SkCanvas::drawDRRect(const SkRRect& outer, const SkRRect& inner, |
| 1728 | const SkPaint& paint) { |
| 1729 | if (outer.isEmpty()) { |
| 1730 | return; |
| 1731 | } |
| 1732 | if (inner.isEmpty()) { |
| 1733 | this->drawRRect(outer, paint); |
| 1734 | return; |
| 1735 | } |
| 1736 | |
| 1737 | // We don't have this method (yet), but technically this is what we should |
| 1738 | // be able to assert... |
| 1739 | // SkASSERT(outer.contains(inner)); |
| 1740 | // |
| 1741 | // For now at least check for containment of bounds |
| 1742 | SkASSERT(outer.getBounds().contains(inner.getBounds())); |
| 1743 | |
| 1744 | this->onDrawDRRect(outer, inner, paint); |
| 1745 | } |
| 1746 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1747 | ////////////////////////////////////////////////////////////////////////////// |
| 1748 | // These are the virtual drawing methods |
| 1749 | ////////////////////////////////////////////////////////////////////////////// |
| 1750 | |
reed@google.com | 2a98181 | 2011-04-14 18:59:28 +0000 | [diff] [blame] | 1751 | void SkCanvas::clear(SkColor color) { |
| 1752 | SkDrawIter iter(this); |
junov@chromium.org | 995beb6 | 2013-03-28 13:49:22 +0000 | [diff] [blame] | 1753 | this->predrawNotify(); |
reed@google.com | 2a98181 | 2011-04-14 18:59:28 +0000 | [diff] [blame] | 1754 | while (iter.next()) { |
| 1755 | iter.fDevice->clear(color); |
| 1756 | } |
| 1757 | } |
| 1758 | |
commit-bot@chromium.org | 28361fa | 2014-03-28 16:08:05 +0000 | [diff] [blame] | 1759 | void SkCanvas::onDiscard() { |
| 1760 | if (NULL != fSurfaceBase) { |
| 1761 | fSurfaceBase->aboutToDraw(SkSurface::kDiscard_ContentChangeMode); |
| 1762 | } |
| 1763 | } |
| 1764 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1765 | void SkCanvas::drawPaint(const SkPaint& paint) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1766 | this->internalDrawPaint(paint); |
| 1767 | } |
| 1768 | |
| 1769 | void SkCanvas::internalDrawPaint(const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1770 | LOOPER_BEGIN(paint, SkDrawFilter::kPaint_Type, NULL) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1771 | |
| 1772 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1773 | iter.fDevice->drawPaint(iter, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1774 | } |
| 1775 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1776 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1777 | } |
| 1778 | |
| 1779 | void SkCanvas::drawPoints(PointMode mode, size_t count, const SkPoint pts[], |
| 1780 | const SkPaint& paint) { |
| 1781 | if ((long)count <= 0) { |
| 1782 | return; |
| 1783 | } |
| 1784 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1785 | SkRect r, storage; |
| 1786 | const SkRect* bounds = NULL; |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1787 | if (paint.canComputeFastBounds()) { |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1788 | // special-case 2 points (common for drawing a single line) |
| 1789 | if (2 == count) { |
| 1790 | r.set(pts[0], pts[1]); |
| 1791 | } else { |
commit-bot@chromium.org | a8c7f77 | 2014-01-24 21:46:29 +0000 | [diff] [blame] | 1792 | r.set(pts, SkToInt(count)); |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1793 | } |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1794 | bounds = &paint.computeFastStrokeBounds(r, &storage); |
| 1795 | if (this->quickReject(*bounds)) { |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1796 | return; |
| 1797 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1798 | } |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1799 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1800 | SkASSERT(pts != NULL); |
| 1801 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1802 | LOOPER_BEGIN(paint, SkDrawFilter::kPoint_Type, bounds) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1803 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1804 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1805 | iter.fDevice->drawPoints(iter, mode, count, pts, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1806 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1807 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1808 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1809 | } |
| 1810 | |
bsalomon@google.com | 7ce564c | 2013-10-22 16:54:15 +0000 | [diff] [blame] | 1811 | void SkCanvas::drawRect(const SkRect& r, const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1812 | SkRect storage; |
| 1813 | const SkRect* bounds = NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1814 | if (paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1815 | bounds = &paint.computeFastBounds(r, &storage); |
| 1816 | if (this->quickReject(*bounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1817 | return; |
| 1818 | } |
| 1819 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1820 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1821 | LOOPER_BEGIN(paint, SkDrawFilter::kRect_Type, bounds) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1822 | |
| 1823 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1824 | iter.fDevice->drawRect(iter, r, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1825 | } |
| 1826 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1827 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1828 | } |
| 1829 | |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1830 | void SkCanvas::drawOval(const SkRect& oval, const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1831 | SkRect storage; |
| 1832 | const SkRect* bounds = NULL; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1833 | if (paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1834 | bounds = &paint.computeFastBounds(oval, &storage); |
| 1835 | if (this->quickReject(*bounds)) { |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1836 | return; |
| 1837 | } |
| 1838 | } |
skia.committer@gmail.com | 306ab9d | 2012-12-13 02:01:33 +0000 | [diff] [blame] | 1839 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1840 | LOOPER_BEGIN(paint, SkDrawFilter::kOval_Type, bounds) |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 1841 | |
| 1842 | while (iter.next()) { |
| 1843 | iter.fDevice->drawOval(iter, oval, looper.paint()); |
| 1844 | } |
| 1845 | |
| 1846 | LOOPER_END |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1847 | } |
| 1848 | |
| 1849 | void SkCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1850 | SkRect storage; |
| 1851 | const SkRect* bounds = NULL; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1852 | if (paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1853 | bounds = &paint.computeFastBounds(rrect.getBounds(), &storage); |
| 1854 | if (this->quickReject(*bounds)) { |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1855 | return; |
| 1856 | } |
| 1857 | } |
| 1858 | |
| 1859 | if (rrect.isRect()) { |
| 1860 | // call the non-virtual version |
| 1861 | this->SkCanvas::drawRect(rrect.getBounds(), paint); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1862 | return; |
| 1863 | } else if (rrect.isOval()) { |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1864 | // call the non-virtual version |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1865 | this->SkCanvas::drawOval(rrect.getBounds(), paint); |
| 1866 | return; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1867 | } |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1868 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1869 | LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, bounds) |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 1870 | |
| 1871 | while (iter.next()) { |
| 1872 | iter.fDevice->drawRRect(iter, rrect, looper.paint()); |
| 1873 | } |
| 1874 | |
| 1875 | LOOPER_END |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1876 | } |
| 1877 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1878 | void SkCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, |
| 1879 | const SkPaint& paint) { |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1880 | SkRect storage; |
| 1881 | const SkRect* bounds = NULL; |
| 1882 | if (paint.canComputeFastBounds()) { |
| 1883 | bounds = &paint.computeFastBounds(outer.getBounds(), &storage); |
| 1884 | if (this->quickReject(*bounds)) { |
| 1885 | return; |
| 1886 | } |
| 1887 | } |
skia.committer@gmail.com | 25c7127 | 2014-02-21 03:02:02 +0000 | [diff] [blame] | 1888 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1889 | LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, bounds) |
skia.committer@gmail.com | 25c7127 | 2014-02-21 03:02:02 +0000 | [diff] [blame] | 1890 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1891 | while (iter.next()) { |
| 1892 | iter.fDevice->drawDRRect(iter, outer, inner, looper.paint()); |
| 1893 | } |
skia.committer@gmail.com | 25c7127 | 2014-02-21 03:02:02 +0000 | [diff] [blame] | 1894 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1895 | LOOPER_END |
| 1896 | } |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1897 | |
bsalomon@google.com | 7ce564c | 2013-10-22 16:54:15 +0000 | [diff] [blame] | 1898 | void SkCanvas::drawPath(const SkPath& path, const SkPaint& paint) { |
reed@google.com | 9364511 | 2012-07-26 16:11:47 +0000 | [diff] [blame] | 1899 | if (!path.isFinite()) { |
| 1900 | return; |
| 1901 | } |
| 1902 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1903 | SkRect storage; |
| 1904 | const SkRect* bounds = NULL; |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1905 | if (!path.isInverseFillType() && paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1906 | const SkRect& pathBounds = path.getBounds(); |
| 1907 | bounds = &paint.computeFastBounds(pathBounds, &storage); |
| 1908 | if (this->quickReject(*bounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1909 | return; |
| 1910 | } |
| 1911 | } |
commit-bot@chromium.org | 0b45dc4 | 2014-02-21 05:42:57 +0000 | [diff] [blame] | 1912 | |
| 1913 | const SkRect& r = path.getBounds(); |
| 1914 | if (r.width() <= 0 && r.height() <= 0) { |
commit-bot@chromium.org | 6803c21 | 2014-05-04 18:08:27 +0000 | [diff] [blame] | 1915 | if (path.isInverseFillType()) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1916 | this->internalDrawPaint(paint); |
| 1917 | } |
| 1918 | return; |
| 1919 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1920 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1921 | LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, bounds) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1922 | |
| 1923 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1924 | iter.fDevice->drawPath(iter, path, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1925 | } |
| 1926 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1927 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1928 | } |
| 1929 | |
| 1930 | void SkCanvas::drawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y, |
| 1931 | const SkPaint* paint) { |
| 1932 | SkDEBUGCODE(bitmap.validate();) |
| 1933 | |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1934 | if (NULL == paint || paint->canComputeFastBounds()) { |
reed@google.com | 9efd9a0 | 2012-01-30 15:41:43 +0000 | [diff] [blame] | 1935 | SkRect bounds = { |
| 1936 | x, y, |
| 1937 | x + SkIntToScalar(bitmap.width()), |
| 1938 | y + SkIntToScalar(bitmap.height()) |
| 1939 | }; |
| 1940 | if (paint) { |
| 1941 | (void)paint->computeFastBounds(bounds, &bounds); |
| 1942 | } |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1943 | if (this->quickReject(bounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1944 | return; |
| 1945 | } |
| 1946 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1947 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1948 | SkMatrix matrix; |
| 1949 | matrix.setTranslate(x, y); |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1950 | this->internalDrawBitmap(bitmap, matrix, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1951 | } |
| 1952 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1953 | // 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] | 1954 | void SkCanvas::internalDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1955 | const SkRect& dst, const SkPaint* paint, |
| 1956 | DrawBitmapRectFlags flags) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1957 | if (bitmap.drawsNothing() || dst.isEmpty()) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1958 | return; |
| 1959 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 1960 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1961 | SkRect storage; |
| 1962 | const SkRect* bounds = &dst; |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1963 | if (NULL == paint || paint->canComputeFastBounds()) { |
reed@google.com | 9efd9a0 | 2012-01-30 15:41:43 +0000 | [diff] [blame] | 1964 | if (paint) { |
| 1965 | bounds = &paint->computeFastBounds(dst, &storage); |
| 1966 | } |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1967 | if (this->quickReject(*bounds)) { |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1968 | return; |
| 1969 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1970 | } |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 1971 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1972 | SkLazyPaint lazy; |
| 1973 | if (NULL == paint) { |
| 1974 | paint = lazy.init(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1975 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 1976 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1977 | LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, bounds) |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 1978 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1979 | while (iter.next()) { |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1980 | iter.fDevice->drawBitmapRect(iter, bitmap, src, dst, looper.paint(), flags); |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 1981 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 1982 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 1983 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1984 | } |
| 1985 | |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1986 | void SkCanvas::drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1987 | const SkRect& dst, const SkPaint* paint, |
| 1988 | DrawBitmapRectFlags flags) { |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1989 | SkDEBUGCODE(bitmap.validate();) |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 1990 | this->internalDrawBitmapRect(bitmap, src, dst, paint, flags); |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1991 | } |
| 1992 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1993 | void SkCanvas::drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& matrix, |
| 1994 | const SkPaint* paint) { |
| 1995 | SkDEBUGCODE(bitmap.validate();) |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1996 | this->internalDrawBitmap(bitmap, matrix, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1997 | } |
| 1998 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 1999 | void SkCanvas::internalDrawBitmapNine(const SkBitmap& bitmap, |
| 2000 | const SkIRect& center, const SkRect& dst, |
| 2001 | const SkPaint* paint) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 2002 | if (bitmap.drawsNothing()) { |
| 2003 | return; |
| 2004 | } |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 2005 | if (NULL == paint || paint->canComputeFastBounds()) { |
djsollen@google.com | 60abb07 | 2012-02-15 18:49:15 +0000 | [diff] [blame] | 2006 | SkRect storage; |
| 2007 | const SkRect* bounds = &dst; |
| 2008 | if (paint) { |
| 2009 | bounds = &paint->computeFastBounds(dst, &storage); |
| 2010 | } |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 2011 | if (this->quickReject(*bounds)) { |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 2012 | return; |
| 2013 | } |
| 2014 | } |
| 2015 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2016 | const int32_t w = bitmap.width(); |
| 2017 | const int32_t h = bitmap.height(); |
| 2018 | |
| 2019 | SkIRect c = center; |
| 2020 | // pin center to the bounds of the bitmap |
| 2021 | c.fLeft = SkMax32(0, center.fLeft); |
| 2022 | c.fTop = SkMax32(0, center.fTop); |
| 2023 | c.fRight = SkPin32(center.fRight, c.fLeft, w); |
| 2024 | c.fBottom = SkPin32(center.fBottom, c.fTop, h); |
| 2025 | |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 2026 | const SkScalar srcX[4] = { |
rmistry@google.com | 7d474f8 | 2013-01-02 22:03:54 +0000 | [diff] [blame] | 2027 | 0, SkIntToScalar(c.fLeft), SkIntToScalar(c.fRight), SkIntToScalar(w) |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 2028 | }; |
| 2029 | const SkScalar srcY[4] = { |
rmistry@google.com | 7d474f8 | 2013-01-02 22:03:54 +0000 | [diff] [blame] | 2030 | 0, SkIntToScalar(c.fTop), SkIntToScalar(c.fBottom), SkIntToScalar(h) |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 2031 | }; |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2032 | SkScalar dstX[4] = { |
| 2033 | dst.fLeft, dst.fLeft + SkIntToScalar(c.fLeft), |
| 2034 | dst.fRight - SkIntToScalar(w - c.fRight), dst.fRight |
| 2035 | }; |
| 2036 | SkScalar dstY[4] = { |
| 2037 | dst.fTop, dst.fTop + SkIntToScalar(c.fTop), |
| 2038 | dst.fBottom - SkIntToScalar(h - c.fBottom), dst.fBottom |
| 2039 | }; |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 2040 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2041 | if (dstX[1] > dstX[2]) { |
| 2042 | dstX[1] = dstX[0] + (dstX[3] - dstX[0]) * c.fLeft / (w - c.width()); |
| 2043 | dstX[2] = dstX[1]; |
| 2044 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 2045 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2046 | if (dstY[1] > dstY[2]) { |
| 2047 | dstY[1] = dstY[0] + (dstY[3] - dstY[0]) * c.fTop / (h - c.height()); |
| 2048 | dstY[2] = dstY[1]; |
| 2049 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 2050 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2051 | for (int y = 0; y < 3; y++) { |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 2052 | SkRect s, d; |
| 2053 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2054 | s.fTop = srcY[y]; |
| 2055 | s.fBottom = srcY[y+1]; |
| 2056 | d.fTop = dstY[y]; |
| 2057 | d.fBottom = dstY[y+1]; |
| 2058 | for (int x = 0; x < 3; x++) { |
| 2059 | s.fLeft = srcX[x]; |
| 2060 | s.fRight = srcX[x+1]; |
| 2061 | d.fLeft = dstX[x]; |
| 2062 | d.fRight = dstX[x+1]; |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 2063 | this->internalDrawBitmapRect(bitmap, &s, d, paint, |
robertphillips@google.com | 31acc11 | 2013-08-20 12:13:48 +0000 | [diff] [blame] | 2064 | kNone_DrawBitmapRectFlag); |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2065 | } |
| 2066 | } |
| 2067 | } |
| 2068 | |
| 2069 | void SkCanvas::drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, |
| 2070 | const SkRect& dst, const SkPaint* paint) { |
| 2071 | SkDEBUGCODE(bitmap.validate();) |
| 2072 | |
| 2073 | // Need a device entry-point, so gpu can use a mesh |
| 2074 | this->internalDrawBitmapNine(bitmap, center, dst, paint); |
| 2075 | } |
| 2076 | |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2077 | class SkDeviceFilteredPaint { |
| 2078 | public: |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 2079 | SkDeviceFilteredPaint(SkBaseDevice* device, const SkPaint& paint) { |
| 2080 | SkBaseDevice::TextFlags flags; |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2081 | if (device->filterTextFlags(paint, &flags)) { |
reed@google.com | a076e9b | 2011-04-06 20:17:29 +0000 | [diff] [blame] | 2082 | SkPaint* newPaint = fLazy.set(paint); |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2083 | newPaint->setFlags(flags.fFlags); |
| 2084 | newPaint->setHinting(flags.fHinting); |
| 2085 | fPaint = newPaint; |
| 2086 | } else { |
| 2087 | fPaint = &paint; |
| 2088 | } |
| 2089 | } |
| 2090 | |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2091 | const SkPaint& paint() const { return *fPaint; } |
| 2092 | |
| 2093 | private: |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 2094 | const SkPaint* fPaint; |
| 2095 | SkLazyPaint fLazy; |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2096 | }; |
| 2097 | |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2098 | void SkCanvas::DrawRect(const SkDraw& draw, const SkPaint& paint, |
| 2099 | const SkRect& r, SkScalar textSize) { |
epoger@google.com | 17b7894 | 2011-08-26 14:40:38 +0000 | [diff] [blame] | 2100 | if (paint.getStyle() == SkPaint::kFill_Style) { |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2101 | draw.fDevice->drawRect(draw, r, paint); |
| 2102 | } else { |
| 2103 | SkPaint p(paint); |
epoger@google.com | 17b7894 | 2011-08-26 14:40:38 +0000 | [diff] [blame] | 2104 | p.setStrokeWidth(SkScalarMul(textSize, paint.getStrokeWidth())); |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2105 | draw.fDevice->drawRect(draw, r, p); |
| 2106 | } |
| 2107 | } |
| 2108 | |
| 2109 | void SkCanvas::DrawTextDecorations(const SkDraw& draw, const SkPaint& paint, |
| 2110 | const char text[], size_t byteLength, |
| 2111 | SkScalar x, SkScalar y) { |
| 2112 | SkASSERT(byteLength == 0 || text != NULL); |
| 2113 | |
| 2114 | // nothing to draw |
| 2115 | if (text == NULL || byteLength == 0 || |
| 2116 | draw.fClip->isEmpty() || |
| 2117 | (paint.getAlpha() == 0 && paint.getXfermode() == NULL)) { |
| 2118 | return; |
| 2119 | } |
| 2120 | |
| 2121 | SkScalar width = 0; |
| 2122 | SkPoint start; |
| 2123 | |
| 2124 | start.set(0, 0); // to avoid warning |
| 2125 | if (paint.getFlags() & (SkPaint::kUnderlineText_Flag | |
| 2126 | SkPaint::kStrikeThruText_Flag)) { |
| 2127 | width = paint.measureText(text, byteLength); |
| 2128 | |
| 2129 | SkScalar offsetX = 0; |
| 2130 | if (paint.getTextAlign() == SkPaint::kCenter_Align) { |
| 2131 | offsetX = SkScalarHalf(width); |
| 2132 | } else if (paint.getTextAlign() == SkPaint::kRight_Align) { |
| 2133 | offsetX = width; |
| 2134 | } |
| 2135 | start.set(x - offsetX, y); |
| 2136 | } |
| 2137 | |
| 2138 | if (0 == width) { |
| 2139 | return; |
| 2140 | } |
| 2141 | |
| 2142 | uint32_t flags = paint.getFlags(); |
| 2143 | |
| 2144 | if (flags & (SkPaint::kUnderlineText_Flag | |
| 2145 | SkPaint::kStrikeThruText_Flag)) { |
| 2146 | SkScalar textSize = paint.getTextSize(); |
| 2147 | SkScalar height = SkScalarMul(textSize, kStdUnderline_Thickness); |
| 2148 | SkRect r; |
| 2149 | |
| 2150 | r.fLeft = start.fX; |
| 2151 | r.fRight = start.fX + width; |
| 2152 | |
| 2153 | if (flags & SkPaint::kUnderlineText_Flag) { |
| 2154 | SkScalar offset = SkScalarMulAdd(textSize, kStdUnderline_Offset, |
| 2155 | start.fY); |
| 2156 | r.fTop = offset; |
| 2157 | r.fBottom = offset + height; |
| 2158 | DrawRect(draw, paint, r, textSize); |
| 2159 | } |
| 2160 | if (flags & SkPaint::kStrikeThruText_Flag) { |
| 2161 | SkScalar offset = SkScalarMulAdd(textSize, kStdStrikeThru_Offset, |
| 2162 | start.fY); |
| 2163 | r.fTop = offset; |
| 2164 | r.fBottom = offset + height; |
| 2165 | DrawRect(draw, paint, r, textSize); |
| 2166 | } |
| 2167 | } |
| 2168 | } |
| 2169 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2170 | void SkCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| 2171 | const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2172 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2173 | |
| 2174 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2175 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2176 | iter.fDevice->drawText(iter, text, byteLength, x, y, dfp.paint()); |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2177 | DrawTextDecorations(iter, dfp.paint(), |
| 2178 | static_cast<const char*>(text), byteLength, x, y); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2179 | } |
| 2180 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2181 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2182 | } |
| 2183 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2184 | void SkCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| 2185 | const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2186 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 2187 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2188 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2189 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2190 | iter.fDevice->drawPosText(iter, text, byteLength, &pos->fX, 0, 2, |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2191 | dfp.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2192 | } |
skia.committer@gmail.com | b0430d0 | 2014-04-24 03:05:07 +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 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2197 | void SkCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| 2198 | SkScalar constY, const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2199 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 2200 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2201 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2202 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2203 | iter.fDevice->drawPosText(iter, text, byteLength, xpos, constY, 1, |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2204 | dfp.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2205 | } |
skia.committer@gmail.com | b0430d0 | 2014-04-24 03:05:07 +0000 | [diff] [blame] | 2206 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2207 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2208 | } |
| 2209 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2210 | void SkCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| 2211 | const SkMatrix* matrix, const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2212 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
commit-bot@chromium.org | 87fcd95 | 2014-04-23 19:10:51 +0000 | [diff] [blame] | 2213 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2214 | while (iter.next()) { |
| 2215 | iter.fDevice->drawTextOnPath(iter, text, byteLength, path, |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2216 | matrix, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2217 | } |
skia.committer@gmail.com | b0430d0 | 2014-04-24 03:05:07 +0000 | [diff] [blame] | 2218 | |
commit-bot@chromium.org | 945ec3a | 2014-04-22 20:07:30 +0000 | [diff] [blame] | 2219 | LOOPER_END |
commit-bot@chromium.org | 4325d11 | 2014-04-22 19:03:02 +0000 | [diff] [blame] | 2220 | } |
| 2221 | |
reed@google.com | e0d9ce8 | 2014-04-23 04:00:17 +0000 | [diff] [blame] | 2222 | // These will become non-virtual, so they always call the (virtual) onDraw... method |
| 2223 | void SkCanvas::drawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| 2224 | const SkPaint& paint) { |
| 2225 | this->onDrawText(text, byteLength, x, y, paint); |
| 2226 | } |
| 2227 | void SkCanvas::drawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| 2228 | const SkPaint& paint) { |
| 2229 | this->onDrawPosText(text, byteLength, pos, paint); |
| 2230 | } |
| 2231 | void SkCanvas::drawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| 2232 | SkScalar constY, const SkPaint& paint) { |
| 2233 | this->onDrawPosTextH(text, byteLength, xpos, constY, paint); |
| 2234 | } |
| 2235 | void SkCanvas::drawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| 2236 | const SkMatrix* matrix, const SkPaint& paint) { |
| 2237 | this->onDrawTextOnPath(text, byteLength, path, matrix, paint); |
| 2238 | } |
| 2239 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2240 | void SkCanvas::drawVertices(VertexMode vmode, int vertexCount, |
| 2241 | const SkPoint verts[], const SkPoint texs[], |
| 2242 | const SkColor colors[], SkXfermode* xmode, |
| 2243 | const uint16_t indices[], int indexCount, |
| 2244 | const SkPaint& paint) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2245 | LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, NULL) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2246 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2247 | while (iter.next()) { |
| 2248 | iter.fDevice->drawVertices(iter, vmode, vertexCount, verts, texs, |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2249 | colors, xmode, indices, indexCount, |
| 2250 | looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2251 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2252 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2253 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2254 | } |
| 2255 | |
dandov | ecfff21 | 2014-08-04 10:02:00 -0700 | [diff] [blame^] | 2256 | void SkCanvas::drawPatch(const SkPatch& patch, const SkPaint& paint) { |
| 2257 | |
| 2258 | // Since a patch is always within the convex hull of the control points, we discard it when its |
| 2259 | // bounding rectangle is completely outside the current clip. |
| 2260 | SkRect bounds; |
| 2261 | bounds.set(patch.getControlPoints(), 12); |
| 2262 | if (this->quickReject(bounds)) { |
| 2263 | return; |
| 2264 | } |
| 2265 | |
| 2266 | LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, NULL) |
| 2267 | |
| 2268 | while (iter.next()) { |
| 2269 | iter.fDevice->drawPatch(iter, patch, paint); |
| 2270 | } |
| 2271 | |
| 2272 | LOOPER_END |
| 2273 | } |
| 2274 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2275 | ////////////////////////////////////////////////////////////////////////////// |
| 2276 | // These methods are NOT virtual, and therefore must call back into virtual |
| 2277 | // methods, rather than actually drawing themselves. |
| 2278 | ////////////////////////////////////////////////////////////////////////////// |
| 2279 | |
| 2280 | void SkCanvas::drawARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b, |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2281 | SkXfermode::Mode mode) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2282 | SkPaint paint; |
| 2283 | |
| 2284 | paint.setARGB(a, r, g, b); |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2285 | if (SkXfermode::kSrcOver_Mode != mode) { |
reed@android.com | 0baf193 | 2009-06-24 12:41:42 +0000 | [diff] [blame] | 2286 | paint.setXfermodeMode(mode); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2287 | } |
| 2288 | this->drawPaint(paint); |
| 2289 | } |
| 2290 | |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2291 | void SkCanvas::drawColor(SkColor c, SkXfermode::Mode mode) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2292 | SkPaint paint; |
| 2293 | |
| 2294 | paint.setColor(c); |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2295 | if (SkXfermode::kSrcOver_Mode != mode) { |
reed@android.com | 0baf193 | 2009-06-24 12:41:42 +0000 | [diff] [blame] | 2296 | paint.setXfermodeMode(mode); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2297 | } |
| 2298 | this->drawPaint(paint); |
| 2299 | } |
| 2300 | |
| 2301 | void SkCanvas::drawPoint(SkScalar x, SkScalar y, const SkPaint& paint) { |
| 2302 | SkPoint pt; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2303 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2304 | pt.set(x, y); |
| 2305 | this->drawPoints(kPoints_PointMode, 1, &pt, paint); |
| 2306 | } |
| 2307 | |
| 2308 | void SkCanvas::drawPoint(SkScalar x, SkScalar y, SkColor color) { |
| 2309 | SkPoint pt; |
| 2310 | SkPaint paint; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2311 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2312 | pt.set(x, y); |
| 2313 | paint.setColor(color); |
| 2314 | this->drawPoints(kPoints_PointMode, 1, &pt, paint); |
| 2315 | } |
| 2316 | |
| 2317 | void SkCanvas::drawLine(SkScalar x0, SkScalar y0, SkScalar x1, SkScalar y1, |
| 2318 | const SkPaint& paint) { |
| 2319 | SkPoint pts[2]; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2320 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2321 | pts[0].set(x0, y0); |
| 2322 | pts[1].set(x1, y1); |
| 2323 | this->drawPoints(kLines_PointMode, 2, pts, paint); |
| 2324 | } |
| 2325 | |
| 2326 | void SkCanvas::drawRectCoords(SkScalar left, SkScalar top, |
| 2327 | SkScalar right, SkScalar bottom, |
| 2328 | const SkPaint& paint) { |
| 2329 | SkRect r; |
| 2330 | |
| 2331 | r.set(left, top, right, bottom); |
| 2332 | this->drawRect(r, paint); |
| 2333 | } |
| 2334 | |
| 2335 | void SkCanvas::drawCircle(SkScalar cx, SkScalar cy, SkScalar radius, |
| 2336 | const SkPaint& paint) { |
| 2337 | if (radius < 0) { |
| 2338 | radius = 0; |
| 2339 | } |
| 2340 | |
| 2341 | SkRect r; |
| 2342 | r.set(cx - radius, cy - radius, cx + radius, cy + radius); |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2343 | this->drawOval(r, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2344 | } |
| 2345 | |
| 2346 | void SkCanvas::drawRoundRect(const SkRect& r, SkScalar rx, SkScalar ry, |
| 2347 | const SkPaint& paint) { |
| 2348 | if (rx > 0 && ry > 0) { |
| 2349 | if (paint.canComputeFastBounds()) { |
| 2350 | SkRect storage; |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 2351 | if (this->quickReject(paint.computeFastBounds(r, &storage))) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2352 | return; |
| 2353 | } |
| 2354 | } |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2355 | SkRRect rrect; |
| 2356 | rrect.setRectXY(r, rx, ry); |
| 2357 | this->drawRRect(rrect, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2358 | } else { |
| 2359 | this->drawRect(r, paint); |
| 2360 | } |
| 2361 | } |
| 2362 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2363 | void SkCanvas::drawArc(const SkRect& oval, SkScalar startAngle, |
| 2364 | SkScalar sweepAngle, bool useCenter, |
| 2365 | const SkPaint& paint) { |
| 2366 | if (SkScalarAbs(sweepAngle) >= SkIntToScalar(360)) { |
| 2367 | this->drawOval(oval, paint); |
| 2368 | } else { |
| 2369 | SkPath path; |
| 2370 | if (useCenter) { |
| 2371 | path.moveTo(oval.centerX(), oval.centerY()); |
| 2372 | } |
| 2373 | path.arcTo(oval, startAngle, sweepAngle, !useCenter); |
| 2374 | if (useCenter) { |
| 2375 | path.close(); |
| 2376 | } |
| 2377 | this->drawPath(path, paint); |
| 2378 | } |
| 2379 | } |
| 2380 | |
| 2381 | void SkCanvas::drawTextOnPathHV(const void* text, size_t byteLength, |
| 2382 | const SkPath& path, SkScalar hOffset, |
| 2383 | SkScalar vOffset, const SkPaint& paint) { |
| 2384 | SkMatrix matrix; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2385 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2386 | matrix.setTranslate(hOffset, vOffset); |
| 2387 | this->drawTextOnPath(text, byteLength, path, &matrix, paint); |
| 2388 | } |
| 2389 | |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 2390 | /////////////////////////////////////////////////////////////////////////////// |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 2391 | void SkCanvas::EXPERIMENTAL_optimize(const SkPicture* picture) { |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2392 | SkBaseDevice* device = this->getDevice(); |
| 2393 | if (NULL != device) { |
| 2394 | device->EXPERIMENTAL_optimize(picture); |
| 2395 | } |
| 2396 | } |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 2397 | |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 2398 | void SkCanvas::drawPicture(const SkPicture* picture) { |
| 2399 | if (NULL != picture) { |
| 2400 | this->onDrawPicture(picture); |
| 2401 | } |
| 2402 | } |
| 2403 | |
| 2404 | void SkCanvas::onDrawPicture(const SkPicture* picture) { |
| 2405 | SkASSERT(NULL != picture); |
| 2406 | |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2407 | SkBaseDevice* device = this->getTopDevice(); |
| 2408 | if (NULL != device) { |
| 2409 | // Canvas has to first give the device the opportunity to render |
| 2410 | // the picture itself. |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 2411 | if (device->EXPERIMENTAL_drawPicture(this, picture)) { |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2412 | return; // the device has rendered the entire picture |
| 2413 | } |
| 2414 | } |
| 2415 | |
robertphillips | 9b14f26 | 2014-06-04 05:40:44 -0700 | [diff] [blame] | 2416 | picture->draw(this); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2417 | } |
| 2418 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2419 | /////////////////////////////////////////////////////////////////////////////// |
| 2420 | /////////////////////////////////////////////////////////////////////////////// |
| 2421 | |
| 2422 | SkCanvas::LayerIter::LayerIter(SkCanvas* canvas, bool skipEmptyClips) { |
reed@google.com | d642329 | 2010-12-20 20:53:13 +0000 | [diff] [blame] | 2423 | SK_COMPILE_ASSERT(sizeof(fStorage) >= sizeof(SkDrawIter), fStorage_too_small); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2424 | |
| 2425 | SkASSERT(canvas); |
| 2426 | |
| 2427 | fImpl = new (fStorage) SkDrawIter(canvas, skipEmptyClips); |
| 2428 | fDone = !fImpl->next(); |
| 2429 | } |
| 2430 | |
| 2431 | SkCanvas::LayerIter::~LayerIter() { |
| 2432 | fImpl->~SkDrawIter(); |
| 2433 | } |
| 2434 | |
| 2435 | void SkCanvas::LayerIter::next() { |
| 2436 | fDone = !fImpl->next(); |
| 2437 | } |
| 2438 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 2439 | SkBaseDevice* SkCanvas::LayerIter::device() const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2440 | return fImpl->getDevice(); |
| 2441 | } |
| 2442 | |
| 2443 | const SkMatrix& SkCanvas::LayerIter::matrix() const { |
| 2444 | return fImpl->getMatrix(); |
| 2445 | } |
| 2446 | |
| 2447 | const SkPaint& SkCanvas::LayerIter::paint() const { |
| 2448 | const SkPaint* paint = fImpl->getPaint(); |
| 2449 | if (NULL == paint) { |
| 2450 | paint = &fDefaultPaint; |
| 2451 | } |
| 2452 | return *paint; |
| 2453 | } |
| 2454 | |
| 2455 | const SkRegion& SkCanvas::LayerIter::clip() const { return fImpl->getClip(); } |
| 2456 | int SkCanvas::LayerIter::x() const { return fImpl->getX(); } |
| 2457 | int SkCanvas::LayerIter::y() const { return fImpl->getY(); } |
justinlin@google.com | 20a550c | 2012-07-27 17:37:12 +0000 | [diff] [blame] | 2458 | |
| 2459 | /////////////////////////////////////////////////////////////////////////////// |
| 2460 | |
fmalita | c3b589a | 2014-06-05 12:40:07 -0700 | [diff] [blame] | 2461 | SkCanvasClipVisitor::~SkCanvasClipVisitor() { } |
commit-bot@chromium.org | 3107b6a | 2014-02-27 20:32:51 +0000 | [diff] [blame] | 2462 | |
| 2463 | /////////////////////////////////////////////////////////////////////////////// |
| 2464 | |
| 2465 | static bool supported_for_raster_canvas(const SkImageInfo& info) { |
| 2466 | switch (info.alphaType()) { |
| 2467 | case kPremul_SkAlphaType: |
| 2468 | case kOpaque_SkAlphaType: |
| 2469 | break; |
| 2470 | default: |
| 2471 | return false; |
| 2472 | } |
| 2473 | |
| 2474 | switch (info.colorType()) { |
| 2475 | case kAlpha_8_SkColorType: |
| 2476 | case kRGB_565_SkColorType: |
commit-bot@chromium.org | 28fcae2 | 2014-04-11 17:15:40 +0000 | [diff] [blame] | 2477 | case kN32_SkColorType: |
commit-bot@chromium.org | 3107b6a | 2014-02-27 20:32:51 +0000 | [diff] [blame] | 2478 | break; |
| 2479 | default: |
| 2480 | return false; |
| 2481 | } |
| 2482 | |
| 2483 | return true; |
| 2484 | } |
| 2485 | |
| 2486 | SkCanvas* SkCanvas::NewRaster(const SkImageInfo& info) { |
| 2487 | if (!supported_for_raster_canvas(info)) { |
| 2488 | return NULL; |
| 2489 | } |
| 2490 | |
| 2491 | SkBitmap bitmap; |
| 2492 | if (!bitmap.allocPixels(info)) { |
| 2493 | return NULL; |
| 2494 | } |
| 2495 | |
| 2496 | // should this functionality be moved into allocPixels()? |
| 2497 | if (!bitmap.info().isOpaque()) { |
| 2498 | bitmap.eraseColor(0); |
| 2499 | } |
| 2500 | return SkNEW_ARGS(SkCanvas, (bitmap)); |
| 2501 | } |
commit-bot@chromium.org | 42b0893 | 2014-03-17 02:13:07 +0000 | [diff] [blame] | 2502 | |
| 2503 | SkCanvas* SkCanvas::NewRasterDirect(const SkImageInfo& info, void* pixels, size_t rowBytes) { |
| 2504 | if (!supported_for_raster_canvas(info)) { |
| 2505 | return NULL; |
| 2506 | } |
skia.committer@gmail.com | eb849e5 | 2014-03-17 03:02:17 +0000 | [diff] [blame] | 2507 | |
commit-bot@chromium.org | 42b0893 | 2014-03-17 02:13:07 +0000 | [diff] [blame] | 2508 | SkBitmap bitmap; |
| 2509 | if (!bitmap.installPixels(info, pixels, rowBytes)) { |
| 2510 | return NULL; |
| 2511 | } |
commit-bot@chromium.org | 42b0893 | 2014-03-17 02:13:07 +0000 | [diff] [blame] | 2512 | return SkNEW_ARGS(SkCanvas, (bitmap)); |
| 2513 | } |