epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 3 | * Copyright 2008 The Android Open Source Project |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 4 | * |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 9 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 10 | #include "SkCanvas.h" |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 11 | #include "SkBitmapDevice.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 12 | #include "SkBounder.h" |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 13 | #include "SkDeviceImageFilterProxy.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 14 | #include "SkDraw.h" |
| 15 | #include "SkDrawFilter.h" |
| 16 | #include "SkDrawLooper.h" |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 17 | #include "SkMetaData.h" |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 18 | #include "SkPathOps.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 19 | #include "SkPicture.h" |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 20 | #include "SkRasterClip.h" |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 21 | #include "SkRRect.h" |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 22 | #include "SkSmallAllocator.h" |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 23 | #include "SkSurface_Base.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 24 | #include "SkTemplates.h" |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 25 | #include "SkTextFormatParams.h" |
reed@google.com | a076e9b | 2011-04-06 20:17:29 +0000 | [diff] [blame] | 26 | #include "SkTLazy.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 27 | #include "SkUtils.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 28 | |
commit-bot@chromium.org | 644629c | 2013-11-21 06:21:58 +0000 | [diff] [blame] | 29 | #if SK_SUPPORT_GPU |
| 30 | #include "GrRenderTarget.h" |
| 31 | #endif |
| 32 | |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 33 | // experimental for faster tiled drawing... |
| 34 | //#define SK_ENABLE_CLIP_QUICKREJECT |
robertphillips@google.com | 15e9d3e | 2012-06-21 20:25:03 +0000 | [diff] [blame] | 35 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 36 | //#define SK_TRACE_SAVERESTORE |
| 37 | |
| 38 | #ifdef SK_TRACE_SAVERESTORE |
| 39 | static int gLayerCounter; |
| 40 | static void inc_layer() { ++gLayerCounter; printf("----- inc layer %d\n", gLayerCounter); } |
| 41 | static void dec_layer() { --gLayerCounter; printf("----- dec layer %d\n", gLayerCounter); } |
| 42 | |
| 43 | static int gRecCounter; |
| 44 | static void inc_rec() { ++gRecCounter; printf("----- inc rec %d\n", gRecCounter); } |
| 45 | static void dec_rec() { --gRecCounter; printf("----- dec rec %d\n", gRecCounter); } |
| 46 | |
| 47 | static int gCanvasCounter; |
| 48 | static void inc_canvas() { ++gCanvasCounter; printf("----- inc canvas %d\n", gCanvasCounter); } |
| 49 | static void dec_canvas() { --gCanvasCounter; printf("----- dec canvas %d\n", gCanvasCounter); } |
| 50 | #else |
| 51 | #define inc_layer() |
| 52 | #define dec_layer() |
| 53 | #define inc_rec() |
| 54 | #define dec_rec() |
| 55 | #define inc_canvas() |
| 56 | #define dec_canvas() |
| 57 | #endif |
| 58 | |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 59 | #ifdef SK_DEBUG |
| 60 | #include "SkPixelRef.h" |
| 61 | |
reed@google.com | f53d0a9 | 2013-01-30 13:17:32 +0000 | [diff] [blame] | 62 | /* |
| 63 | * Some pixelref subclasses can support being "locked" from another thread |
| 64 | * during the lock-scope of skia calling them. In these instances, this balance |
| 65 | * check will fail, but may not be indicative of a problem, so we allow a build |
| 66 | * flag to disable this check. |
| 67 | * |
| 68 | * Potentially another fix would be to have a (debug-only) virtual or flag on |
| 69 | * pixelref, which could tell us at runtime if this check is valid. That would |
| 70 | * eliminate the need for this heavy-handed build check. |
| 71 | */ |
| 72 | #ifdef SK_DISABLE_PIXELREF_LOCKCOUNT_BALANCE_CHECK |
| 73 | class AutoCheckLockCountBalance { |
| 74 | public: |
| 75 | AutoCheckLockCountBalance(const SkBitmap&) { /* do nothing */ } |
| 76 | }; |
| 77 | #else |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 78 | class AutoCheckLockCountBalance { |
| 79 | public: |
| 80 | AutoCheckLockCountBalance(const SkBitmap& bm) : fPixelRef(bm.pixelRef()) { |
| 81 | fLockCount = fPixelRef ? fPixelRef->getLockCount() : 0; |
| 82 | } |
| 83 | ~AutoCheckLockCountBalance() { |
| 84 | const int count = fPixelRef ? fPixelRef->getLockCount() : 0; |
| 85 | SkASSERT(count == fLockCount); |
| 86 | } |
| 87 | |
| 88 | private: |
| 89 | const SkPixelRef* fPixelRef; |
| 90 | int fLockCount; |
| 91 | }; |
reed@google.com | f53d0a9 | 2013-01-30 13:17:32 +0000 | [diff] [blame] | 92 | #endif |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 93 | |
| 94 | class AutoCheckNoSetContext { |
| 95 | public: |
| 96 | AutoCheckNoSetContext(const SkPaint& paint) : fPaint(paint) { |
| 97 | this->assertNoSetContext(fPaint); |
| 98 | } |
| 99 | ~AutoCheckNoSetContext() { |
| 100 | this->assertNoSetContext(fPaint); |
| 101 | } |
| 102 | |
| 103 | private: |
| 104 | const SkPaint& fPaint; |
| 105 | |
| 106 | void assertNoSetContext(const SkPaint& paint) { |
| 107 | SkShader* s = paint.getShader(); |
| 108 | if (s) { |
| 109 | SkASSERT(!s->setContextHasBeenCalled()); |
| 110 | } |
| 111 | } |
| 112 | }; |
| 113 | |
| 114 | #define CHECK_LOCKCOUNT_BALANCE(bitmap) AutoCheckLockCountBalance clcb(bitmap) |
| 115 | #define CHECK_SHADER_NOSETCONTEXT(paint) AutoCheckNoSetContext cshsc(paint) |
| 116 | |
| 117 | #else |
| 118 | #define CHECK_LOCKCOUNT_BALANCE(bitmap) |
| 119 | #define CHECK_SHADER_NOSETCONTEXT(paint) |
| 120 | #endif |
| 121 | |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 122 | typedef SkTLazy<SkPaint> SkLazyPaint; |
| 123 | |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 124 | void SkCanvas::predrawNotify() { |
| 125 | if (fSurfaceBase) { |
commit-bot@chromium.org | c4c9870 | 2013-04-22 14:28:01 +0000 | [diff] [blame] | 126 | fSurfaceBase->aboutToDraw(SkSurface::kRetain_ContentChangeMode); |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 127 | } |
| 128 | } |
| 129 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 130 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 131 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 132 | /* 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] | 133 | The clip/matrix/proc are fields that reflect the top of the save/restore |
| 134 | stack. Whenever the canvas changes, it marks a dirty flag, and then before |
| 135 | these are used (assuming we're not on a layer) we rebuild these cache |
| 136 | values: they reflect the top of the save stack, but translated and clipped |
| 137 | by the device's XY offset and bitmap-bounds. |
| 138 | */ |
| 139 | struct DeviceCM { |
| 140 | DeviceCM* fNext; |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 141 | SkBaseDevice* fDevice; |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 142 | SkRasterClip fClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 143 | const SkMatrix* fMatrix; |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 144 | SkPaint* fPaint; // may be null (in the future) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 145 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 146 | 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] | 147 | : fNext(NULL) { |
| 148 | if (NULL != device) { |
| 149 | device->ref(); |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 150 | device->onAttachToCanvas(canvas); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 151 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 152 | fDevice = device; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 153 | fPaint = paint ? SkNEW_ARGS(SkPaint, (*paint)) : NULL; |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 154 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 155 | |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 156 | ~DeviceCM() { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 157 | if (NULL != fDevice) { |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 158 | fDevice->onDetachFromCanvas(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 159 | fDevice->unref(); |
| 160 | } |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 161 | SkDELETE(fPaint); |
| 162 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 163 | |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 164 | void updateMC(const SkMatrix& totalMatrix, const SkRasterClip& totalClip, |
| 165 | const SkClipStack& clipStack, SkRasterClip* updateClip) { |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 166 | int x = fDevice->getOrigin().x(); |
| 167 | int y = fDevice->getOrigin().y(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 168 | int width = fDevice->width(); |
| 169 | int height = fDevice->height(); |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 170 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 171 | if ((x | y) == 0) { |
| 172 | fMatrix = &totalMatrix; |
| 173 | fClip = totalClip; |
| 174 | } else { |
| 175 | fMatrixStorage = totalMatrix; |
| 176 | fMatrixStorage.postTranslate(SkIntToScalar(-x), |
| 177 | SkIntToScalar(-y)); |
| 178 | fMatrix = &fMatrixStorage; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 179 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 180 | totalClip.translate(-x, -y, &fClip); |
| 181 | } |
| 182 | |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 183 | fClip.op(SkIRect::MakeWH(width, height), SkRegion::kIntersect_Op); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 184 | |
| 185 | // intersect clip, but don't translate it (yet) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 186 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 187 | if (updateClip) { |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 188 | updateClip->op(SkIRect::MakeXYWH(x, y, width, height), |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 189 | SkRegion::kDifference_Op); |
| 190 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 191 | |
robertphillips@google.com | 3fffb2e | 2012-10-09 22:30:18 +0000 | [diff] [blame] | 192 | fDevice->setMatrixClip(*fMatrix, fClip.forceGetBW(), clipStack); |
| 193 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 194 | #ifdef SK_DEBUG |
| 195 | if (!fClip.isEmpty()) { |
| 196 | SkIRect deviceR; |
| 197 | deviceR.set(0, 0, width, height); |
| 198 | SkASSERT(deviceR.contains(fClip.getBounds())); |
| 199 | } |
| 200 | #endif |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 201 | } |
| 202 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 203 | private: |
bsalomon@google.com | 0e354aa | 2012-10-08 20:44:25 +0000 | [diff] [blame] | 204 | SkMatrix fMatrixStorage; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 205 | }; |
| 206 | |
| 207 | /* This is the record we keep for each save/restore level in the stack. |
| 208 | Since a level optionally copies the matrix and/or stack, we have pointers |
| 209 | for these fields. If the value is copied for this level, the copy is |
| 210 | stored in the ...Storage field, and the pointer points to that. If the |
| 211 | value is not copied for this level, we ignore ...Storage, and just point |
| 212 | at the corresponding value in the previous level in the stack. |
| 213 | */ |
| 214 | class SkCanvas::MCRec { |
| 215 | public: |
commit-bot@chromium.org | 6c15764 | 2013-08-16 00:53:34 +0000 | [diff] [blame] | 216 | int fFlags; |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 217 | SkMatrix* fMatrix; // points to either fMatrixStorage or prev MCRec |
| 218 | SkRasterClip* fRasterClip; // points to either fRegionStorage or prev MCRec |
| 219 | SkDrawFilter* fFilter; // the current filter (or null) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 220 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 221 | DeviceCM* fLayer; |
| 222 | /* If there are any layers in the stack, this points to the top-most |
| 223 | one that is at or below this level in the stack (so we know what |
| 224 | bitmap/device to draw into from this level. This value is NOT |
| 225 | reference counted, since the real owner is either our fLayer field, |
| 226 | or a previous one in a lower level.) |
| 227 | */ |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 228 | DeviceCM* fTopLayer; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 229 | |
commit-bot@chromium.org | 6c15764 | 2013-08-16 00:53:34 +0000 | [diff] [blame] | 230 | MCRec(const MCRec* prev, int flags) : fFlags(flags) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 231 | if (NULL != prev) { |
| 232 | if (flags & SkCanvas::kMatrix_SaveFlag) { |
| 233 | fMatrixStorage = *prev->fMatrix; |
| 234 | fMatrix = &fMatrixStorage; |
| 235 | } else { |
| 236 | fMatrix = prev->fMatrix; |
| 237 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 238 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 239 | if (flags & SkCanvas::kClip_SaveFlag) { |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 240 | fRasterClipStorage = *prev->fRasterClip; |
| 241 | fRasterClip = &fRasterClipStorage; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 242 | } else { |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 243 | fRasterClip = prev->fRasterClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 244 | } |
| 245 | |
| 246 | fFilter = prev->fFilter; |
reed@google.com | 82065d6 | 2011-02-07 15:30:46 +0000 | [diff] [blame] | 247 | SkSafeRef(fFilter); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 248 | |
| 249 | fTopLayer = prev->fTopLayer; |
| 250 | } else { // no prev |
| 251 | fMatrixStorage.reset(); |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 252 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 253 | fMatrix = &fMatrixStorage; |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 254 | fRasterClip = &fRasterClipStorage; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 255 | fFilter = NULL; |
| 256 | fTopLayer = NULL; |
| 257 | } |
| 258 | fLayer = NULL; |
| 259 | |
| 260 | // don't bother initializing fNext |
| 261 | inc_rec(); |
| 262 | } |
| 263 | ~MCRec() { |
reed@google.com | 82065d6 | 2011-02-07 15:30:46 +0000 | [diff] [blame] | 264 | SkSafeUnref(fFilter); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 265 | SkDELETE(fLayer); |
| 266 | dec_rec(); |
| 267 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 268 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 269 | private: |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 270 | SkMatrix fMatrixStorage; |
| 271 | SkRasterClip fRasterClipStorage; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 272 | }; |
| 273 | |
| 274 | class SkDrawIter : public SkDraw { |
| 275 | public: |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 276 | SkDrawIter(SkCanvas* canvas, bool skipEmptyClips = true) { |
junov@google.com | 4370aed | 2012-01-18 16:21:08 +0000 | [diff] [blame] | 277 | canvas = canvas->canvasForDrawIter(); |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 278 | fCanvas = canvas; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 279 | canvas->updateDeviceCMCache(); |
| 280 | |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 281 | fClipStack = &canvas->fClipStack; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 282 | fBounder = canvas->getBounder(); |
| 283 | fCurrLayer = canvas->fMCRec->fTopLayer; |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 284 | fSkipEmptyClips = skipEmptyClips; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 285 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 286 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 287 | bool next() { |
| 288 | // skip over recs with empty clips |
| 289 | if (fSkipEmptyClips) { |
| 290 | while (fCurrLayer && fCurrLayer->fClip.isEmpty()) { |
| 291 | fCurrLayer = fCurrLayer->fNext; |
| 292 | } |
| 293 | } |
| 294 | |
reed@google.com | f68c5e2 | 2012-02-24 16:38:58 +0000 | [diff] [blame] | 295 | const DeviceCM* rec = fCurrLayer; |
| 296 | if (rec && rec->fDevice) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 297 | |
| 298 | fMatrix = rec->fMatrix; |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 299 | fClip = &((SkRasterClip*)&rec->fClip)->forceGetBW(); |
| 300 | fRC = &rec->fClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 301 | fDevice = rec->fDevice; |
| 302 | fBitmap = &fDevice->accessBitmap(true); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 303 | fPaint = rec->fPaint; |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 304 | SkDEBUGCODE(this->validate();) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 305 | |
| 306 | fCurrLayer = rec->fNext; |
| 307 | if (fBounder) { |
| 308 | fBounder->setClip(fClip); |
| 309 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 310 | // fCurrLayer may be NULL now |
reed@android.com | 199f108 | 2009-06-10 02:12:47 +0000 | [diff] [blame] | 311 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 312 | return true; |
| 313 | } |
| 314 | return false; |
| 315 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 316 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 317 | SkBaseDevice* getDevice() const { return fDevice; } |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 318 | int getX() const { return fDevice->getOrigin().x(); } |
| 319 | int getY() const { return fDevice->getOrigin().y(); } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 320 | const SkMatrix& getMatrix() const { return *fMatrix; } |
| 321 | const SkRegion& getClip() const { return *fClip; } |
| 322 | const SkPaint* getPaint() const { return fPaint; } |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 323 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 324 | private: |
| 325 | SkCanvas* fCanvas; |
| 326 | const DeviceCM* fCurrLayer; |
| 327 | const SkPaint* fPaint; // May be null. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 328 | SkBool8 fSkipEmptyClips; |
| 329 | |
| 330 | typedef SkDraw INHERITED; |
| 331 | }; |
| 332 | |
| 333 | ///////////////////////////////////////////////////////////////////////////// |
| 334 | |
| 335 | class AutoDrawLooper { |
| 336 | public: |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 337 | AutoDrawLooper(SkCanvas* canvas, const SkPaint& paint, |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 338 | bool skipLayerForImageFilter = false, |
| 339 | const SkRect* bounds = NULL) : fOrigPaint(paint) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 340 | fCanvas = canvas; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 341 | fFilter = canvas->getDrawFilter(); |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 342 | fPaint = NULL; |
| 343 | fSaveCount = canvas->getSaveCount(); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 344 | fDoClearImageFilter = false; |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 345 | fDone = false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 346 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 347 | if (!skipLayerForImageFilter && fOrigPaint.getImageFilter()) { |
| 348 | SkPaint tmp; |
| 349 | tmp.setImageFilter(fOrigPaint.getImageFilter()); |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 350 | (void)canvas->internalSaveLayer(bounds, &tmp, SkCanvas::kARGB_ClipLayer_SaveFlag, |
| 351 | true, SkCanvas::kFullLayer_SaveLayerStrategy); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 352 | // we'll clear the imageFilter for the actual draws in next(), so |
| 353 | // it will only be applied during the restore(). |
| 354 | fDoClearImageFilter = true; |
| 355 | } |
| 356 | |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 357 | if (SkDrawLooper* looper = paint.getLooper()) { |
| 358 | void* buffer = fLooperContextAllocator.reserveT<SkDrawLooper::Context>( |
| 359 | looper->contextSize()); |
| 360 | fLooperContext = looper->createContext(canvas, buffer); |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 361 | fIsSimple = false; |
| 362 | } else { |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 363 | fLooperContext = NULL; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 364 | // can we be marked as simple? |
| 365 | fIsSimple = !fFilter && !fDoClearImageFilter; |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 366 | } |
| 367 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 368 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 369 | ~AutoDrawLooper() { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 370 | if (fDoClearImageFilter) { |
| 371 | fCanvas->internalRestore(); |
| 372 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 373 | SkASSERT(fCanvas->getSaveCount() == fSaveCount); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 374 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 375 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 376 | const SkPaint& paint() const { |
| 377 | SkASSERT(fPaint); |
| 378 | return *fPaint; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 379 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 380 | |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 381 | bool next(SkDrawFilter::Type drawType) { |
| 382 | if (fDone) { |
| 383 | return false; |
| 384 | } else if (fIsSimple) { |
| 385 | fDone = true; |
| 386 | fPaint = &fOrigPaint; |
| 387 | return !fPaint->nothingToDraw(); |
| 388 | } else { |
| 389 | return this->doNext(drawType); |
| 390 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 391 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 392 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 393 | private: |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 394 | SkLazyPaint fLazyPaint; |
| 395 | SkCanvas* fCanvas; |
| 396 | const SkPaint& fOrigPaint; |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 397 | SkDrawFilter* fFilter; |
| 398 | const SkPaint* fPaint; |
| 399 | int fSaveCount; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 400 | bool fDoClearImageFilter; |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 401 | bool fDone; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 402 | bool fIsSimple; |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 403 | SkDrawLooper::Context* fLooperContext; |
| 404 | SkSmallAllocator<1, 32> fLooperContextAllocator; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 405 | |
| 406 | bool doNext(SkDrawFilter::Type drawType); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 407 | }; |
| 408 | |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 409 | bool AutoDrawLooper::doNext(SkDrawFilter::Type drawType) { |
reed@google.com | 632e1a2 | 2011-10-06 12:37:00 +0000 | [diff] [blame] | 410 | fPaint = NULL; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 411 | SkASSERT(!fIsSimple); |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 412 | SkASSERT(fLooperContext || fFilter || fDoClearImageFilter); |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 413 | |
| 414 | SkPaint* paint = fLazyPaint.set(fOrigPaint); |
| 415 | |
| 416 | if (fDoClearImageFilter) { |
| 417 | paint->setImageFilter(NULL); |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 418 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 419 | |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 420 | if (fLooperContext && !fLooperContext->next(fCanvas, paint)) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 421 | fDone = true; |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 422 | return false; |
| 423 | } |
| 424 | if (fFilter) { |
reed@google.com | 971aca7 | 2012-11-26 20:26:54 +0000 | [diff] [blame] | 425 | if (!fFilter->filter(paint, drawType)) { |
| 426 | fDone = true; |
| 427 | return false; |
| 428 | } |
commit-bot@chromium.org | 79fbb40 | 2014-03-12 09:42:01 +0000 | [diff] [blame] | 429 | if (NULL == fLooperContext) { |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 430 | // no looper means we only draw once |
| 431 | fDone = true; |
| 432 | } |
| 433 | } |
| 434 | fPaint = paint; |
| 435 | |
| 436 | // 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] | 437 | if (!fLooperContext && !fFilter) { |
reed@google.com | 129ec22 | 2012-05-15 13:24:09 +0000 | [diff] [blame] | 438 | fDone = true; |
reed@google.com | 632e1a2 | 2011-10-06 12:37:00 +0000 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | // call this after any possible paint modifiers |
| 442 | if (fPaint->nothingToDraw()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 443 | fPaint = NULL; |
| 444 | return false; |
| 445 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 446 | return true; |
| 447 | } |
| 448 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 449 | /* Stack helper for managing a SkBounder. In the destructor, if we were |
| 450 | given a bounder, we call its commit() method, signifying that we are |
| 451 | done accumulating bounds for that draw. |
| 452 | */ |
| 453 | class SkAutoBounderCommit { |
| 454 | public: |
| 455 | SkAutoBounderCommit(SkBounder* bounder) : fBounder(bounder) {} |
| 456 | ~SkAutoBounderCommit() { |
| 457 | if (NULL != fBounder) { |
| 458 | fBounder->commit(); |
| 459 | } |
| 460 | } |
| 461 | private: |
| 462 | SkBounder* fBounder; |
| 463 | }; |
commit-bot@chromium.org | e61a86c | 2013-11-18 16:03:59 +0000 | [diff] [blame] | 464 | #define SkAutoBounderCommit(...) SK_REQUIRE_LOCAL_VAR(SkAutoBounderCommit) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 465 | |
| 466 | #include "SkColorPriv.h" |
| 467 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 468 | ////////// macros to place around the internal draw calls ////////////////// |
| 469 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 470 | #define LOOPER_BEGIN_DRAWDEVICE(paint, type) \ |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 471 | this->predrawNotify(); \ |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 472 | AutoDrawLooper looper(this, paint, true); \ |
| 473 | while (looper.next(type)) { \ |
| 474 | SkAutoBounderCommit ac(fBounder); \ |
| 475 | SkDrawIter iter(this); |
| 476 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 477 | #define LOOPER_BEGIN(paint, type, bounds) \ |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 478 | this->predrawNotify(); \ |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 479 | AutoDrawLooper looper(this, paint, false, bounds); \ |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 480 | while (looper.next(type)) { \ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 481 | SkAutoBounderCommit ac(fBounder); \ |
| 482 | SkDrawIter iter(this); |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 483 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 484 | #define LOOPER_END } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 485 | |
| 486 | //////////////////////////////////////////////////////////////////////////// |
| 487 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 488 | SkBaseDevice* SkCanvas::init(SkBaseDevice* device) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 489 | fBounder = NULL; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 490 | fCachedLocalClipBounds.setEmpty(); |
| 491 | fCachedLocalClipBoundsDirty = true; |
caryclark@google.com | 8f0a7b8 | 2012-11-07 14:54:49 +0000 | [diff] [blame] | 492 | fAllowSoftClip = true; |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 493 | fAllowSimplifyClip = false; |
agl@chromium.org | 447bcfa | 2009-12-12 00:06:17 +0000 | [diff] [blame] | 494 | fDeviceCMDirty = false; |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 495 | fSaveLayerCount = 0; |
commit-bot@chromium.org | 210ae2a | 2014-02-27 17:40:13 +0000 | [diff] [blame] | 496 | fCullCount = 0; |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 497 | fMetaData = NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 498 | |
| 499 | fMCRec = (MCRec*)fMCStack.push_back(); |
| 500 | new (fMCRec) MCRec(NULL, 0); |
| 501 | |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 502 | fMCRec->fLayer = SkNEW_ARGS(DeviceCM, (NULL, 0, 0, NULL, NULL)); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 503 | fMCRec->fTopLayer = fMCRec->fLayer; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 504 | |
reed@google.com | 97af1a6 | 2012-08-28 12:19:02 +0000 | [diff] [blame] | 505 | fSurfaceBase = NULL; |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 506 | |
commit-bot@chromium.org | 403f8d7 | 2014-02-17 15:24:26 +0000 | [diff] [blame] | 507 | return this->setRootDevice(device); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 508 | } |
| 509 | |
reed@google.com | cde9211 | 2011-07-06 20:00:52 +0000 | [diff] [blame] | 510 | SkCanvas::SkCanvas() |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 511 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 512 | { |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 513 | inc_canvas(); |
skia.committer@gmail.com | ba12448 | 2014-02-01 03:01:57 +0000 | [diff] [blame] | 514 | |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 515 | this->init(NULL); |
| 516 | } |
| 517 | |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 518 | SkCanvas::SkCanvas(int width, int height) |
| 519 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 520 | { |
| 521 | inc_canvas(); |
skia.committer@gmail.com | ba12448 | 2014-02-01 03:01:57 +0000 | [diff] [blame] | 522 | |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 523 | SkBitmap bitmap; |
reed@google.com | 900ecf2 | 2014-02-20 20:55:37 +0000 | [diff] [blame] | 524 | bitmap.setConfig(SkImageInfo::MakeUnknown(width, height)); |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 525 | this->init(SkNEW_ARGS(SkBitmapDevice, (bitmap)))->unref(); |
| 526 | } |
| 527 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 528 | SkCanvas::SkCanvas(SkBaseDevice* device) |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 529 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 530 | { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 531 | inc_canvas(); |
| 532 | |
| 533 | this->init(device); |
| 534 | } |
| 535 | |
| 536 | SkCanvas::SkCanvas(const SkBitmap& bitmap) |
commit-bot@chromium.org | e254310 | 2014-01-31 19:42:58 +0000 | [diff] [blame] | 537 | : fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) |
| 538 | { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 539 | inc_canvas(); |
| 540 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 541 | this->init(SkNEW_ARGS(SkBitmapDevice, (bitmap)))->unref(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 542 | } |
| 543 | |
| 544 | SkCanvas::~SkCanvas() { |
| 545 | // free up the contents of our deque |
| 546 | this->restoreToCount(1); // restore everything but the last |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 547 | SkASSERT(0 == fSaveLayerCount); |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 548 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 549 | this->internalRestore(); // restore the last, since we're going away |
| 550 | |
vandebo@chromium.org | 8d84fac | 2010-10-13 22:13:05 +0000 | [diff] [blame] | 551 | SkSafeUnref(fBounder); |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 552 | SkDELETE(fMetaData); |
vandebo@chromium.org | b70ae31 | 2010-10-15 18:58:19 +0000 | [diff] [blame] | 553 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 554 | dec_canvas(); |
| 555 | } |
| 556 | |
| 557 | SkBounder* SkCanvas::setBounder(SkBounder* bounder) { |
| 558 | SkRefCnt_SafeAssign(fBounder, bounder); |
| 559 | return bounder; |
| 560 | } |
| 561 | |
| 562 | SkDrawFilter* SkCanvas::getDrawFilter() const { |
| 563 | return fMCRec->fFilter; |
| 564 | } |
| 565 | |
| 566 | SkDrawFilter* SkCanvas::setDrawFilter(SkDrawFilter* filter) { |
| 567 | SkRefCnt_SafeAssign(fMCRec->fFilter, filter); |
| 568 | return filter; |
| 569 | } |
| 570 | |
mike@reedtribe.org | 74bb77e | 2012-09-26 02:24:45 +0000 | [diff] [blame] | 571 | SkMetaData& SkCanvas::getMetaData() { |
| 572 | // metadata users are rare, so we lazily allocate it. If that changes we |
| 573 | // can decide to just make it a field in the device (rather than a ptr) |
| 574 | if (NULL == fMetaData) { |
| 575 | fMetaData = new SkMetaData; |
| 576 | } |
| 577 | return *fMetaData; |
| 578 | } |
| 579 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 580 | /////////////////////////////////////////////////////////////////////////////// |
| 581 | |
junov@chromium.org | bf6c1e4 | 2012-01-30 14:53:22 +0000 | [diff] [blame] | 582 | void SkCanvas::flush() { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 583 | SkBaseDevice* device = this->getDevice(); |
junov@chromium.org | bf6c1e4 | 2012-01-30 14:53:22 +0000 | [diff] [blame] | 584 | if (device) { |
| 585 | device->flush(); |
| 586 | } |
| 587 | } |
| 588 | |
bsalomon@google.com | 4ebe382 | 2014-02-26 20:22:32 +0000 | [diff] [blame] | 589 | SkISize SkCanvas::getTopLayerSize() const { |
| 590 | SkBaseDevice* d = this->getTopDevice(); |
| 591 | return d ? SkISize::Make(d->width(), d->height()) : SkISize::Make(0, 0); |
| 592 | } |
| 593 | |
| 594 | SkIPoint SkCanvas::getTopLayerOrigin() const { |
| 595 | SkBaseDevice* d = this->getTopDevice(); |
| 596 | return d ? d->getOrigin() : SkIPoint::Make(0, 0); |
| 597 | } |
| 598 | |
| 599 | SkISize SkCanvas::getBaseLayerSize() const { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 600 | SkBaseDevice* d = this->getDevice(); |
reed@google.com | 210ce00 | 2011-11-01 14:24:23 +0000 | [diff] [blame] | 601 | return d ? SkISize::Make(d->width(), d->height()) : SkISize::Make(0, 0); |
| 602 | } |
| 603 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 604 | SkBaseDevice* SkCanvas::getDevice() const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 605 | // return root device |
robertphillips@google.com | c029062 | 2012-07-16 21:20:03 +0000 | [diff] [blame] | 606 | MCRec* rec = (MCRec*) fMCStack.front(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 607 | SkASSERT(rec && rec->fLayer); |
| 608 | return rec->fLayer->fDevice; |
| 609 | } |
| 610 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 611 | SkBaseDevice* SkCanvas::getTopDevice(bool updateMatrixClip) const { |
reed@google.com | 0b53d59 | 2012-03-19 18:26:34 +0000 | [diff] [blame] | 612 | if (updateMatrixClip) { |
| 613 | const_cast<SkCanvas*>(this)->updateDeviceCMCache(); |
| 614 | } |
reed@google.com | 9266fed | 2011-03-30 00:18:03 +0000 | [diff] [blame] | 615 | return fMCRec->fTopLayer->fDevice; |
| 616 | } |
| 617 | |
commit-bot@chromium.org | 403f8d7 | 2014-02-17 15:24:26 +0000 | [diff] [blame] | 618 | SkBaseDevice* SkCanvas::setRootDevice(SkBaseDevice* device) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 619 | // return root device |
reed@google.com | 4c09d5c | 2011-02-22 13:16:38 +0000 | [diff] [blame] | 620 | SkDeque::F2BIter iter(fMCStack); |
| 621 | MCRec* rec = (MCRec*)iter.next(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 622 | SkASSERT(rec && rec->fLayer); |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 623 | SkBaseDevice* rootDevice = rec->fLayer->fDevice; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 624 | |
| 625 | if (rootDevice == device) { |
| 626 | return device; |
| 627 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 628 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 629 | if (device) { |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 630 | device->onAttachToCanvas(this); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 631 | } |
| 632 | if (rootDevice) { |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 633 | rootDevice->onDetachFromCanvas(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 634 | } |
| 635 | |
| 636 | SkRefCnt_SafeAssign(rec->fLayer->fDevice, device); |
| 637 | rootDevice = device; |
| 638 | |
| 639 | fDeviceCMDirty = true; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 640 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 641 | /* Now we update our initial region to have the bounds of the new device, |
| 642 | and then intersect all of the clips in our stack with these bounds, |
| 643 | to ensure that we can't draw outside of the device's bounds (and trash |
| 644 | memory). |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 645 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 646 | NOTE: this is only a partial-fix, since if the new device is larger than |
| 647 | 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] | 648 | so drawing may be artificially restricted. Without keeping a history of |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 649 | all calls to canvas->clipRect() and canvas->clipPath(), we can't exactly |
| 650 | reconstruct the correct clips, so this approximation will have to do. |
| 651 | The caller really needs to restore() back to the base if they want to |
| 652 | accurately take advantage of the new device bounds. |
| 653 | */ |
| 654 | |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 655 | SkIRect bounds; |
| 656 | if (device) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 657 | bounds.set(0, 0, device->width(), device->height()); |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 658 | } else { |
| 659 | bounds.setEmpty(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 660 | } |
reed@google.com | 42aea28 | 2012-03-28 16:19:15 +0000 | [diff] [blame] | 661 | // now jam our 1st clip to be bounds, and intersect the rest with that |
| 662 | rec->fRasterClip->setRect(bounds); |
| 663 | while ((rec = (MCRec*)iter.next()) != NULL) { |
| 664 | (void)rec->fRasterClip->op(bounds, SkRegion::kIntersect_Op); |
| 665 | } |
| 666 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 667 | return device; |
| 668 | } |
| 669 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 670 | bool SkCanvas::readPixels(SkBitmap* bitmap, int x, int y) { |
| 671 | if (kUnknown_SkColorType == bitmap->colorType() || bitmap->getTexture()) { |
| 672 | return false; |
| 673 | } |
| 674 | |
| 675 | bool weAllocated = false; |
| 676 | if (NULL == bitmap->pixelRef()) { |
| 677 | if (!bitmap->allocPixels()) { |
| 678 | return false; |
| 679 | } |
| 680 | weAllocated = true; |
| 681 | } |
| 682 | |
| 683 | SkBitmap bm(*bitmap); |
| 684 | bm.lockPixels(); |
| 685 | if (bm.getPixels() && this->readPixels(bm.info(), bm.getPixels(), bm.rowBytes(), x, y)) { |
| 686 | return true; |
| 687 | } |
| 688 | |
| 689 | if (weAllocated) { |
| 690 | bitmap->setPixelRef(NULL); |
| 691 | } |
| 692 | return false; |
| 693 | } |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 694 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 695 | bool SkCanvas::readPixels(const SkIRect& srcRect, SkBitmap* bitmap) { |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 696 | SkIRect r = srcRect; |
| 697 | const SkISize size = this->getBaseLayerSize(); |
| 698 | if (!r.intersect(0, 0, size.width(), size.height())) { |
| 699 | bitmap->reset(); |
| 700 | return false; |
| 701 | } |
| 702 | |
| 703 | if (!bitmap->allocN32Pixels(r.width(), r.height())) { |
| 704 | // bitmap will already be reset. |
| 705 | return false; |
| 706 | } |
| 707 | if (!this->readPixels(bitmap->info(), bitmap->getPixels(), bitmap->rowBytes(), r.x(), r.y())) { |
| 708 | bitmap->reset(); |
| 709 | return false; |
| 710 | } |
| 711 | return true; |
| 712 | } |
| 713 | |
| 714 | bool SkCanvas::readPixels(const SkImageInfo& origInfo, void* dstP, size_t rowBytes, int x, int y) { |
| 715 | switch (origInfo.colorType()) { |
| 716 | case kUnknown_SkColorType: |
| 717 | case kIndex_8_SkColorType: |
| 718 | return false; |
| 719 | default: |
| 720 | break; |
| 721 | } |
| 722 | if (NULL == dstP || rowBytes < origInfo.minRowBytes()) { |
| 723 | return false; |
| 724 | } |
| 725 | if (0 == origInfo.width() || 0 == origInfo.height()) { |
| 726 | return false; |
| 727 | } |
| 728 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 729 | SkBaseDevice* device = this->getDevice(); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 730 | if (!device) { |
| 731 | return false; |
| 732 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 733 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 734 | const SkISize size = this->getBaseLayerSize(); |
| 735 | SkIRect srcR = SkIRect::MakeXYWH(x, y, origInfo.width(), origInfo.height()); |
| 736 | if (!srcR.intersect(0, 0, size.width(), size.height())) { |
bsalomon@google.com | daba14b | 2011-11-02 20:10:48 +0000 | [diff] [blame] | 737 | return false; |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 738 | } |
skia.committer@gmail.com | db0c875 | 2014-03-18 03:02:11 +0000 | [diff] [blame] | 739 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 740 | SkImageInfo info = origInfo; |
| 741 | // the intersect may have shrunk info's logical size |
| 742 | info.fWidth = srcR.width(); |
| 743 | info.fHeight = srcR.height(); |
skia.committer@gmail.com | db0c875 | 2014-03-18 03:02:11 +0000 | [diff] [blame] | 744 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 745 | // if x or y are negative, then we have to adjust pixels |
| 746 | if (x > 0) { |
| 747 | x = 0; |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 748 | } |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 749 | if (y > 0) { |
| 750 | y = 0; |
| 751 | } |
| 752 | // here x,y are either 0 or negative |
| 753 | dstP = ((char*)dstP - y * rowBytes - x * info.bytesPerPixel()); |
skia.committer@gmail.com | db0c875 | 2014-03-18 03:02:11 +0000 | [diff] [blame] | 754 | |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 755 | // The device can assert that the requested area is always contained in its bounds |
| 756 | return device->readPixels(info, dstP, rowBytes, srcR.x(), srcR.y()); |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 757 | } |
| 758 | |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 759 | bool SkCanvas::writePixels(const SkBitmap& bitmap, int x, int y) { |
| 760 | if (bitmap.getTexture()) { |
| 761 | return false; |
| 762 | } |
| 763 | SkBitmap bm(bitmap); |
| 764 | bm.lockPixels(); |
| 765 | if (bm.getPixels()) { |
| 766 | return this->writePixels(bm.info(), bm.getPixels(), bm.rowBytes(), x, y); |
| 767 | } |
| 768 | return false; |
| 769 | } |
| 770 | |
| 771 | bool SkCanvas::writePixels(const SkImageInfo& origInfo, const void* pixels, size_t rowBytes, |
| 772 | int x, int y) { |
| 773 | switch (origInfo.colorType()) { |
| 774 | case kUnknown_SkColorType: |
| 775 | case kIndex_8_SkColorType: |
| 776 | return false; |
| 777 | default: |
| 778 | break; |
| 779 | } |
| 780 | if (NULL == pixels || rowBytes < origInfo.minRowBytes()) { |
| 781 | return false; |
| 782 | } |
| 783 | |
| 784 | const SkISize size = this->getBaseLayerSize(); |
| 785 | SkIRect target = SkIRect::MakeXYWH(x, y, origInfo.width(), origInfo.height()); |
| 786 | if (!target.intersect(0, 0, size.width(), size.height())) { |
| 787 | return false; |
| 788 | } |
| 789 | |
| 790 | SkBaseDevice* device = this->getDevice(); |
| 791 | if (!device) { |
| 792 | return false; |
| 793 | } |
| 794 | |
| 795 | SkImageInfo info = origInfo; |
| 796 | // the intersect may have shrunk info's logical size |
| 797 | info.fWidth = target.width(); |
| 798 | info.fHeight = target.height(); |
| 799 | |
| 800 | // if x or y are negative, then we have to adjust pixels |
| 801 | if (x > 0) { |
| 802 | x = 0; |
| 803 | } |
| 804 | if (y > 0) { |
| 805 | y = 0; |
| 806 | } |
| 807 | // here x,y are either 0 or negative |
| 808 | pixels = ((const char*)pixels - y * rowBytes - x * info.bytesPerPixel()); |
| 809 | |
| 810 | // 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] | 811 | return device->writePixels(info, pixels, rowBytes, target.x(), target.y()); |
commit-bot@chromium.org | 4cd9e21 | 2014-03-07 03:25:16 +0000 | [diff] [blame] | 812 | } |
reed@google.com | 51df9e3 | 2010-12-23 19:29:18 +0000 | [diff] [blame] | 813 | |
junov@google.com | 4370aed | 2012-01-18 16:21:08 +0000 | [diff] [blame] | 814 | SkCanvas* SkCanvas::canvasForDrawIter() { |
| 815 | return this; |
| 816 | } |
| 817 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 818 | ////////////////////////////////////////////////////////////////////////////// |
| 819 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 820 | void SkCanvas::updateDeviceCMCache() { |
| 821 | if (fDeviceCMDirty) { |
| 822 | const SkMatrix& totalMatrix = this->getTotalMatrix(); |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 823 | const SkRasterClip& totalClip = *fMCRec->fRasterClip; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 824 | DeviceCM* layer = fMCRec->fTopLayer; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 825 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 826 | if (NULL == layer->fNext) { // only one layer |
reed@google.com | 46799cd | 2011-02-22 20:56:26 +0000 | [diff] [blame] | 827 | layer->updateMC(totalMatrix, totalClip, fClipStack, NULL); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 828 | } else { |
reed@google.com | 045e62d | 2011-10-24 12:19:46 +0000 | [diff] [blame] | 829 | SkRasterClip clip(totalClip); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 830 | do { |
reed@google.com | 46799cd | 2011-02-22 20:56:26 +0000 | [diff] [blame] | 831 | layer->updateMC(totalMatrix, clip, fClipStack, &clip); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 832 | } while ((layer = layer->fNext) != NULL); |
| 833 | } |
| 834 | fDeviceCMDirty = false; |
| 835 | } |
| 836 | } |
| 837 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 838 | /////////////////////////////////////////////////////////////////////////////// |
| 839 | |
| 840 | int SkCanvas::internalSave(SaveFlags flags) { |
| 841 | int saveCount = this->getSaveCount(); // record this before the actual save |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 842 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 843 | MCRec* newTop = (MCRec*)fMCStack.push_back(); |
| 844 | new (newTop) MCRec(fMCRec, flags); // balanced in restore() |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 845 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 846 | fMCRec = newTop; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 847 | |
commit-bot@chromium.org | 6c15764 | 2013-08-16 00:53:34 +0000 | [diff] [blame] | 848 | if (SkCanvas::kClip_SaveFlag & flags) { |
| 849 | fClipStack.save(); |
| 850 | } |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 851 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 852 | return saveCount; |
| 853 | } |
| 854 | |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 855 | void SkCanvas::willSave(SaveFlags) { |
| 856 | // Do nothing. Subclasses may do something. |
| 857 | } |
| 858 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 859 | int SkCanvas::save(SaveFlags flags) { |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 860 | this->willSave(flags); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 861 | // call shared impl |
| 862 | return this->internalSave(flags); |
| 863 | } |
| 864 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 865 | static bool bounds_affects_clip(SkCanvas::SaveFlags flags) { |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 866 | #ifdef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 867 | return (flags & SkCanvas::kClipToLayer_SaveFlag) != 0; |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 868 | #else |
| 869 | return true; |
| 870 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 871 | } |
| 872 | |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 873 | bool SkCanvas::clipRectBounds(const SkRect* bounds, SaveFlags flags, |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 874 | SkIRect* intersection, const SkImageFilter* imageFilter) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 875 | SkIRect clipBounds; |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 876 | SkRegion::Op op = SkRegion::kIntersect_Op; |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 877 | if (!this->getClipDeviceBounds(&clipBounds)) { |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 878 | return false; |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 879 | } |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 880 | |
| 881 | if (imageFilter) { |
| 882 | imageFilter->filterBounds(clipBounds, *fMCRec->fMatrix, &clipBounds); |
| 883 | // Filters may grow the bounds beyond the device bounds. |
| 884 | op = SkRegion::kReplace_Op; |
| 885 | } |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 886 | SkIRect ir; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 887 | if (NULL != bounds) { |
| 888 | SkRect r; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 889 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 890 | this->getTotalMatrix().mapRect(&r, *bounds); |
| 891 | r.roundOut(&ir); |
| 892 | // early exit if the layer's bounds are clipped out |
| 893 | if (!ir.intersect(clipBounds)) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 894 | if (bounds_affects_clip(flags)) { |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 895 | fMCRec->fRasterClip->setEmpty(); |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 896 | } |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 897 | return false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 898 | } |
| 899 | } else { // no user bounds, so just use the clip |
| 900 | ir = clipBounds; |
| 901 | } |
| 902 | |
senorblanco@chromium.org | 89f077c | 2014-02-24 15:16:42 +0000 | [diff] [blame] | 903 | if (bounds_affects_clip(flags)) { |
| 904 | fClipStack.clipDevRect(ir, op); |
| 905 | // early exit if the clip is now empty |
| 906 | if (!fMCRec->fRasterClip->op(ir, op)) { |
| 907 | return false; |
| 908 | } |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 909 | } |
| 910 | |
| 911 | if (intersection) { |
| 912 | *intersection = ir; |
| 913 | } |
| 914 | return true; |
| 915 | } |
| 916 | |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 917 | SkCanvas::SaveLayerStrategy SkCanvas::willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) { |
| 918 | |
| 919 | // Do nothing. Subclasses may do something. |
| 920 | return kFullLayer_SaveLayerStrategy; |
| 921 | } |
| 922 | |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 923 | int SkCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint, |
| 924 | SaveFlags flags) { |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 925 | // Overriding classes may return false to signal that we don't need to create a layer. |
| 926 | SaveLayerStrategy strategy = this->willSaveLayer(bounds, paint, flags); |
| 927 | return this->internalSaveLayer(bounds, paint, flags, false, strategy); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 928 | } |
| 929 | |
commit-bot@chromium.org | 2b290ce | 2014-03-25 23:29:53 +0000 | [diff] [blame] | 930 | static SkBaseDevice* create_compatible_device(SkCanvas* canvas, |
| 931 | const SkImageInfo& info) { |
reed@google.com | 76f10a3 | 2014-02-05 15:32:21 +0000 | [diff] [blame] | 932 | SkBaseDevice* device = canvas->getDevice(); |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 933 | return device ? device->createCompatibleDevice(info) : NULL; |
reed@google.com | 76f10a3 | 2014-02-05 15:32:21 +0000 | [diff] [blame] | 934 | } |
| 935 | |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 936 | int SkCanvas::internalSaveLayer(const SkRect* bounds, const SkPaint* paint, SaveFlags flags, |
| 937 | bool justForImageFilter, SaveLayerStrategy strategy) { |
reed@google.com | b93ba45 | 2014-03-10 19:47:58 +0000 | [diff] [blame] | 938 | #ifndef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG |
| 939 | flags = (SaveFlags)(flags | kClipToLayer_SaveFlag); |
| 940 | #endif |
| 941 | |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 942 | // do this before we create the layer. We don't call the public save() since |
| 943 | // that would invoke a possibly overridden virtual |
| 944 | int count = this->internalSave(flags); |
| 945 | |
| 946 | fDeviceCMDirty = true; |
| 947 | |
| 948 | SkIRect ir; |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 949 | if (!this->clipRectBounds(bounds, flags, &ir, paint ? paint->getImageFilter() : NULL)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 950 | return count; |
| 951 | } |
| 952 | |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 953 | // FIXME: do willSaveLayer() overriders returning kNoLayer_SaveLayerStrategy really care about |
| 954 | // the clipRectBounds() call above? |
| 955 | if (kNoLayer_SaveLayerStrategy == strategy) { |
| 956 | return count; |
| 957 | } |
| 958 | |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 959 | // Kill the imagefilter if our device doesn't allow it |
| 960 | SkLazyPaint lazyP; |
| 961 | if (paint && paint->getImageFilter()) { |
| 962 | if (!this->getTopDevice()->allowImageFilter(paint->getImageFilter())) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 963 | if (justForImageFilter) { |
| 964 | // early exit if the layer was just for the imageFilter |
| 965 | return count; |
| 966 | } |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 967 | SkPaint* p = lazyP.set(*paint); |
| 968 | p->setImageFilter(NULL); |
| 969 | paint = p; |
| 970 | } |
| 971 | } |
| 972 | |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 973 | bool isOpaque = !SkToBool(flags & kHasAlphaLayer_SaveFlag); |
| 974 | SkImageInfo info = SkImageInfo::MakeN32(ir.width(), ir.height(), |
| 975 | isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 976 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 977 | SkBaseDevice* device; |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 978 | if (paint && paint->getImageFilter()) { |
commit-bot@chromium.org | 2b290ce | 2014-03-25 23:29:53 +0000 | [diff] [blame] | 979 | device = create_compatible_device(this, info); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 980 | } else { |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 981 | device = this->createLayerDevice(info); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 982 | } |
bungeman@google.com | e25c684 | 2011-08-17 14:53:54 +0000 | [diff] [blame] | 983 | if (NULL == device) { |
| 984 | SkDebugf("Unable to create device for layer."); |
| 985 | return count; |
| 986 | } |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 987 | |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 988 | device->setOrigin(ir.fLeft, ir.fTop); |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 989 | 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] | 990 | device->unref(); |
| 991 | |
| 992 | layer->fNext = fMCRec->fTopLayer; |
| 993 | fMCRec->fLayer = layer; |
| 994 | fMCRec->fTopLayer = layer; // this field is NOT an owner of layer |
| 995 | |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 996 | fSaveLayerCount += 1; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 997 | return count; |
| 998 | } |
| 999 | |
| 1000 | int SkCanvas::saveLayerAlpha(const SkRect* bounds, U8CPU alpha, |
| 1001 | SaveFlags flags) { |
| 1002 | if (0xFF == alpha) { |
| 1003 | return this->saveLayer(bounds, NULL, flags); |
| 1004 | } else { |
| 1005 | SkPaint tmpPaint; |
| 1006 | tmpPaint.setAlpha(alpha); |
| 1007 | return this->saveLayer(bounds, &tmpPaint, flags); |
| 1008 | } |
| 1009 | } |
| 1010 | |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 1011 | void SkCanvas::willRestore() { |
| 1012 | // Do nothing. Subclasses may do something. |
| 1013 | } |
| 1014 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1015 | void SkCanvas::restore() { |
| 1016 | // check for underflow |
| 1017 | if (fMCStack.count() > 1) { |
commit-bot@chromium.org | e54a23f | 2014-03-12 20:21:48 +0000 | [diff] [blame] | 1018 | this->willRestore(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1019 | this->internalRestore(); |
| 1020 | } |
| 1021 | } |
| 1022 | |
| 1023 | void SkCanvas::internalRestore() { |
| 1024 | SkASSERT(fMCStack.count() != 0); |
| 1025 | |
| 1026 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1027 | fCachedLocalClipBoundsDirty = true; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1028 | |
commit-bot@chromium.org | 6c15764 | 2013-08-16 00:53:34 +0000 | [diff] [blame] | 1029 | if (SkCanvas::kClip_SaveFlag & fMCRec->fFlags) { |
| 1030 | fClipStack.restore(); |
| 1031 | } |
| 1032 | |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 1033 | // reserve our layer (if any) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1034 | DeviceCM* layer = fMCRec->fLayer; // may be null |
| 1035 | // now detach it from fMCRec so we can pop(). Gets freed after its drawn |
| 1036 | fMCRec->fLayer = NULL; |
| 1037 | |
| 1038 | // now do the normal restore() |
| 1039 | fMCRec->~MCRec(); // balanced in save() |
| 1040 | fMCStack.pop_back(); |
| 1041 | fMCRec = (MCRec*)fMCStack.back(); |
| 1042 | |
| 1043 | /* Time to draw the layer's offscreen. We can't call the public drawSprite, |
| 1044 | since if we're being recorded, we don't want to record this (the |
| 1045 | recorder will have already recorded the restore). |
| 1046 | */ |
| 1047 | if (NULL != layer) { |
| 1048 | if (layer->fNext) { |
reed@google.com | 6f8f292 | 2011-03-04 22:27:10 +0000 | [diff] [blame] | 1049 | const SkIPoint& origin = layer->fDevice->getOrigin(); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1050 | this->internalDrawDevice(layer->fDevice, origin.x(), origin.y(), |
| 1051 | layer->fPaint); |
| 1052 | // reset this, since internalDrawDevice will have set it to true |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1053 | fDeviceCMDirty = true; |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 1054 | |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 1055 | SkASSERT(fSaveLayerCount > 0); |
| 1056 | fSaveLayerCount -= 1; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1057 | } |
| 1058 | SkDELETE(layer); |
bungeman@google.com | 88edf1e | 2011-08-08 19:41:56 +0000 | [diff] [blame] | 1059 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1060 | } |
| 1061 | |
| 1062 | int SkCanvas::getSaveCount() const { |
| 1063 | return fMCStack.count(); |
| 1064 | } |
| 1065 | |
| 1066 | void SkCanvas::restoreToCount(int count) { |
| 1067 | // sanity check |
| 1068 | if (count < 1) { |
| 1069 | count = 1; |
| 1070 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 1071 | |
reed@google.com | b9d1c6a | 2011-11-28 16:09:24 +0000 | [diff] [blame] | 1072 | int n = this->getSaveCount() - count; |
| 1073 | for (int i = 0; i < n; ++i) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1074 | this->restore(); |
| 1075 | } |
| 1076 | } |
| 1077 | |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 1078 | bool SkCanvas::isDrawingToLayer() const { |
junov@chromium.org | b0a7ace | 2012-04-05 18:33:23 +0000 | [diff] [blame] | 1079 | return fSaveLayerCount > 0; |
reed@google.com | 7c20293 | 2011-12-14 18:48:05 +0000 | [diff] [blame] | 1080 | } |
| 1081 | |
reed@google.com | 76f10a3 | 2014-02-05 15:32:21 +0000 | [diff] [blame] | 1082 | SkSurface* SkCanvas::newSurface(const SkImageInfo& info) { |
| 1083 | return this->onNewSurface(info); |
| 1084 | } |
| 1085 | |
| 1086 | SkSurface* SkCanvas::onNewSurface(const SkImageInfo& info) { |
| 1087 | SkBaseDevice* dev = this->getDevice(); |
| 1088 | return dev ? dev->newSurface(info) : NULL; |
| 1089 | } |
| 1090 | |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1091 | SkImageInfo SkCanvas::imageInfo() const { |
| 1092 | SkBaseDevice* dev = this->getDevice(); |
| 1093 | if (dev) { |
| 1094 | return dev->imageInfo(); |
| 1095 | } else { |
reed@google.com | 900ecf2 | 2014-02-20 20:55:37 +0000 | [diff] [blame] | 1096 | return SkImageInfo::MakeUnknown(0, 0); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1097 | } |
| 1098 | } |
| 1099 | |
| 1100 | const void* SkCanvas::peekPixels(SkImageInfo* info, size_t* rowBytes) { |
| 1101 | return this->onPeekPixels(info, rowBytes); |
| 1102 | } |
| 1103 | |
| 1104 | const void* SkCanvas::onPeekPixels(SkImageInfo* info, size_t* rowBytes) { |
| 1105 | SkBaseDevice* dev = this->getDevice(); |
| 1106 | return dev ? dev->peekPixels(info, rowBytes) : NULL; |
| 1107 | } |
| 1108 | |
reed@google.com | 9c135db | 2014-03-12 18:28:35 +0000 | [diff] [blame] | 1109 | void* SkCanvas::accessTopLayerPixels(SkImageInfo* info, size_t* rowBytes) { |
| 1110 | return this->onAccessTopLayerPixels(info, rowBytes); |
| 1111 | } |
| 1112 | |
| 1113 | void* SkCanvas::onAccessTopLayerPixels(SkImageInfo* info, size_t* rowBytes) { |
| 1114 | SkBaseDevice* dev = this->getTopDevice(); |
| 1115 | return dev ? dev->accessPixels(info, rowBytes) : NULL; |
| 1116 | } |
| 1117 | |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1118 | SkAutoROCanvasPixels::SkAutoROCanvasPixels(SkCanvas* canvas) { |
| 1119 | fAddr = canvas->peekPixels(&fInfo, &fRowBytes); |
| 1120 | if (NULL == fAddr) { |
| 1121 | fInfo = canvas->imageInfo(); |
commit-bot@chromium.org | a713f9c | 2014-03-17 21:31:26 +0000 | [diff] [blame] | 1122 | if (kUnknown_SkColorType == fInfo.colorType() || !fBitmap.allocPixels(fInfo)) { |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1123 | return; // failure, fAddr is NULL |
| 1124 | } |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 1125 | if (!canvas->readPixels(&fBitmap, 0, 0)) { |
| 1126 | return; // failure, fAddr is NULL |
| 1127 | } |
| 1128 | fAddr = fBitmap.getPixels(); |
| 1129 | fRowBytes = fBitmap.rowBytes(); |
| 1130 | } |
| 1131 | SkASSERT(fAddr); // success |
| 1132 | } |
| 1133 | |
| 1134 | bool SkAutoROCanvasPixels::asROBitmap(SkBitmap* bitmap) const { |
| 1135 | if (fAddr) { |
| 1136 | return bitmap->installPixels(fInfo, const_cast<void*>(fAddr), fRowBytes, |
| 1137 | NULL, NULL); |
| 1138 | } else { |
| 1139 | bitmap->reset(); |
| 1140 | return false; |
| 1141 | } |
| 1142 | } |
| 1143 | |
commit-bot@chromium.org | 210ae2a | 2014-02-27 17:40:13 +0000 | [diff] [blame] | 1144 | void SkCanvas::onPushCull(const SkRect& cullRect) { |
| 1145 | // do nothing. Subclasses may do something |
| 1146 | } |
| 1147 | |
| 1148 | void SkCanvas::onPopCull() { |
| 1149 | // do nothing. Subclasses may do something |
| 1150 | } |
| 1151 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1152 | ///////////////////////////////////////////////////////////////////////////// |
commit-bot@chromium.org | 520cf8b | 2014-03-20 20:25:14 +0000 | [diff] [blame] | 1153 | #ifdef SK_DEBUG |
| 1154 | // Ensure that cull rects are monotonically nested in device space. |
| 1155 | void SkCanvas::validateCull(const SkIRect& devCull) { |
| 1156 | if (fCullStack.isEmpty() |
| 1157 | || devCull.isEmpty() |
| 1158 | || fCullStack.top().contains(devCull)) { |
| 1159 | return; |
| 1160 | } |
| 1161 | |
| 1162 | SkDEBUGF(("Invalid cull: [%d %d %d %d] (previous cull: [%d %d %d %d])\n", |
| 1163 | devCull.x(), devCull.y(), devCull.right(), devCull.bottom(), |
| 1164 | fCullStack.top().x(), fCullStack.top().y(), |
| 1165 | fCullStack.top().right(), fCullStack.top().bottom())); |
| 1166 | |
| 1167 | #ifdef ASSERT_NESTED_CULLING |
| 1168 | SkDEBUGFAIL("Invalid cull."); |
| 1169 | #endif |
| 1170 | } |
| 1171 | #endif |
| 1172 | |
| 1173 | void SkCanvas::pushCull(const SkRect& cullRect) { |
| 1174 | ++fCullCount; |
| 1175 | this->onPushCull(cullRect); |
| 1176 | |
| 1177 | #ifdef SK_DEBUG |
| 1178 | // Map the cull rect into device space. |
| 1179 | SkRect mappedCull; |
| 1180 | this->getTotalMatrix().mapRect(&mappedCull, cullRect); |
| 1181 | |
| 1182 | // Take clipping into account. |
| 1183 | SkIRect devClip, devCull; |
| 1184 | mappedCull.roundOut(&devCull); |
| 1185 | this->getClipDeviceBounds(&devClip); |
| 1186 | if (!devCull.intersect(devClip)) { |
| 1187 | devCull.setEmpty(); |
| 1188 | } |
| 1189 | |
| 1190 | this->validateCull(devCull); |
| 1191 | fCullStack.push(devCull); // balanced in popCull |
| 1192 | #endif |
| 1193 | } |
| 1194 | |
| 1195 | void SkCanvas::popCull() { |
| 1196 | SkASSERT(fCullStack.count() == fCullCount); |
| 1197 | |
| 1198 | if (fCullCount > 0) { |
| 1199 | --fCullCount; |
| 1200 | this->onPopCull(); |
| 1201 | |
| 1202 | SkDEBUGCODE(fCullStack.pop()); |
| 1203 | } |
| 1204 | } |
| 1205 | |
| 1206 | ///////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1207 | |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1208 | void SkCanvas::internalDrawBitmap(const SkBitmap& bitmap, |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1209 | const SkMatrix& matrix, const SkPaint* paint) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1210 | if (bitmap.drawsNothing()) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1211 | return; |
| 1212 | } |
| 1213 | |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 1214 | SkLazyPaint lazy; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1215 | if (NULL == paint) { |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 1216 | paint = lazy.init(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1217 | } |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1218 | |
| 1219 | SkDEBUGCODE(bitmap.validate();) |
| 1220 | CHECK_LOCKCOUNT_BALANCE(bitmap); |
| 1221 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1222 | SkRect storage; |
| 1223 | const SkRect* bounds = NULL; |
| 1224 | if (paint && paint->canComputeFastBounds()) { |
| 1225 | bitmap.getBounds(&storage); |
| 1226 | matrix.mapRect(&storage); |
| 1227 | bounds = &paint->computeFastBounds(storage, &storage); |
| 1228 | } |
| 1229 | |
| 1230 | LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, bounds) |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 1231 | |
| 1232 | while (iter.next()) { |
| 1233 | iter.fDevice->drawBitmap(iter, bitmap, matrix, looper.paint()); |
| 1234 | } |
| 1235 | |
| 1236 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1237 | } |
| 1238 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1239 | void SkCanvas::internalDrawDevice(SkBaseDevice* srcDev, int x, int y, |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1240 | const SkPaint* paint) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1241 | SkPaint tmp; |
| 1242 | if (NULL == paint) { |
| 1243 | tmp.setDither(true); |
| 1244 | paint = &tmp; |
| 1245 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1246 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1247 | LOOPER_BEGIN_DRAWDEVICE(*paint, SkDrawFilter::kBitmap_Type) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1248 | while (iter.next()) { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1249 | SkBaseDevice* dstDev = iter.fDevice; |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1250 | paint = &looper.paint(); |
| 1251 | SkImageFilter* filter = paint->getImageFilter(); |
| 1252 | SkIPoint pos = { x - iter.getX(), y - iter.getY() }; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1253 | if (filter && !dstDev->canHandleImageFilter(filter)) { |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 1254 | SkDeviceImageFilterProxy proxy(dstDev); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1255 | SkBitmap dst; |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1256 | SkIPoint offset = SkIPoint::Make(0, 0); |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 1257 | const SkBitmap& src = srcDev->accessBitmap(false); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1258 | SkMatrix matrix = *iter.fMatrix; |
senorblanco@chromium.org | d5424a4 | 2014-04-02 19:20:05 +0000 | [diff] [blame] | 1259 | matrix.postTranslate(SkIntToScalar(-pos.x()), SkIntToScalar(-pos.y())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1260 | SkIRect clipBounds = SkIRect::MakeWH(srcDev->width(), srcDev->height()); |
| 1261 | SkImageFilter::Context ctx(matrix, clipBounds); |
| 1262 | if (filter->filterImage(&proxy, src, ctx, &dst, &offset)) { |
tomhudson@google.com | 5efe0cb | 2012-04-10 19:14:48 +0000 | [diff] [blame] | 1263 | SkPaint tmpUnfiltered(*paint); |
| 1264 | tmpUnfiltered.setImageFilter(NULL); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1265 | dstDev->drawSprite(iter, dst, pos.x() + offset.x(), pos.y() + offset.y(), |
| 1266 | tmpUnfiltered); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1267 | } |
| 1268 | } else { |
reed@google.com | b55deeb | 2012-01-06 14:43:09 +0000 | [diff] [blame] | 1269 | dstDev->drawDevice(iter, srcDev, pos.x(), pos.y(), *paint); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 1270 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1271 | } |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1272 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1273 | } |
| 1274 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1275 | void SkCanvas::drawSprite(const SkBitmap& bitmap, int x, int y, |
| 1276 | const SkPaint* paint) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1277 | if (bitmap.drawsNothing()) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1278 | return; |
| 1279 | } |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 1280 | SkDEBUGCODE(bitmap.validate();) |
| 1281 | CHECK_LOCKCOUNT_BALANCE(bitmap); |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1282 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1283 | SkPaint tmp; |
| 1284 | if (NULL == paint) { |
| 1285 | paint = &tmp; |
| 1286 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1287 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1288 | LOOPER_BEGIN_DRAWDEVICE(*paint, SkDrawFilter::kBitmap_Type) |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1289 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1290 | while (iter.next()) { |
| 1291 | paint = &looper.paint(); |
| 1292 | SkImageFilter* filter = paint->getImageFilter(); |
| 1293 | SkIPoint pos = { x - iter.getX(), y - iter.getY() }; |
| 1294 | if (filter && !iter.fDevice->canHandleImageFilter(filter)) { |
senorblanco@chromium.org | 9c39744 | 2012-09-27 21:57:45 +0000 | [diff] [blame] | 1295 | SkDeviceImageFilterProxy proxy(iter.fDevice); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1296 | SkBitmap dst; |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1297 | SkIPoint offset = SkIPoint::Make(0, 0); |
senorblanco@chromium.org | fbaea53 | 2013-08-27 21:37:01 +0000 | [diff] [blame] | 1298 | SkMatrix matrix = *iter.fMatrix; |
senorblanco@chromium.org | d5424a4 | 2014-04-02 19:20:05 +0000 | [diff] [blame] | 1299 | matrix.postTranslate(SkIntToScalar(-pos.x()), SkIntToScalar(-pos.y())); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 1300 | SkIRect clipBounds = SkIRect::MakeWH(bitmap.width(), bitmap.height()); |
| 1301 | SkImageFilter::Context ctx(matrix, clipBounds); |
| 1302 | if (filter->filterImage(&proxy, bitmap, ctx, &dst, &offset)) { |
tomhudson@google.com | 5efe0cb | 2012-04-10 19:14:48 +0000 | [diff] [blame] | 1303 | SkPaint tmpUnfiltered(*paint); |
| 1304 | tmpUnfiltered.setImageFilter(NULL); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 1305 | 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] | 1306 | tmpUnfiltered); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1307 | } |
| 1308 | } else { |
| 1309 | iter.fDevice->drawSprite(iter, bitmap, pos.x(), pos.y(), *paint); |
| 1310 | } |
| 1311 | } |
| 1312 | LOOPER_END |
| 1313 | } |
| 1314 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1315 | ///////////////////////////////////////////////////////////////////////////// |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1316 | void SkCanvas::translate(SkScalar dx, SkScalar dy) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1317 | SkMatrix m; |
| 1318 | m.setTranslate(dx, dy); |
| 1319 | this->concat(m); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1320 | } |
| 1321 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1322 | void SkCanvas::scale(SkScalar sx, SkScalar sy) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1323 | SkMatrix m; |
| 1324 | m.setScale(sx, sy); |
| 1325 | this->concat(m); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1326 | } |
| 1327 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1328 | void SkCanvas::rotate(SkScalar degrees) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1329 | SkMatrix m; |
| 1330 | m.setRotate(degrees); |
| 1331 | this->concat(m); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1332 | } |
| 1333 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1334 | void SkCanvas::skew(SkScalar sx, SkScalar sy) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1335 | SkMatrix m; |
| 1336 | m.setSkew(sx, sy); |
| 1337 | this->concat(m); |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1338 | } |
| 1339 | |
| 1340 | void SkCanvas::didConcat(const SkMatrix&) { |
| 1341 | // Do nothing. Subclasses may do something. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1342 | } |
| 1343 | |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1344 | void SkCanvas::concat(const SkMatrix& matrix) { |
commit-bot@chromium.org | d9ea09e | 2014-03-25 17:32:26 +0000 | [diff] [blame] | 1345 | if (matrix.isIdentity()) { |
| 1346 | return; |
| 1347 | } |
| 1348 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1349 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1350 | fCachedLocalClipBoundsDirty = true; |
commit-bot@chromium.org | 9236238 | 2014-03-18 12:51:48 +0000 | [diff] [blame] | 1351 | fMCRec->fMatrix->preConcat(matrix); |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1352 | |
| 1353 | this->didConcat(matrix); |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1354 | } |
| 1355 | |
| 1356 | void SkCanvas::didSetMatrix(const SkMatrix&) { |
| 1357 | // Do nothing. Subclasses may do something. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1358 | } |
| 1359 | |
| 1360 | void SkCanvas::setMatrix(const SkMatrix& matrix) { |
| 1361 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1362 | fCachedLocalClipBoundsDirty = true; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1363 | *fMCRec->fMatrix = matrix; |
commit-bot@chromium.org | 44c48d0 | 2014-03-13 20:03:58 +0000 | [diff] [blame] | 1364 | this->didSetMatrix(matrix); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1365 | } |
| 1366 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1367 | void SkCanvas::resetMatrix() { |
| 1368 | SkMatrix matrix; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1369 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1370 | matrix.reset(); |
| 1371 | this->setMatrix(matrix); |
| 1372 | } |
| 1373 | |
| 1374 | ////////////////////////////////////////////////////////////////////////////// |
| 1375 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1376 | void SkCanvas::clipRect(const SkRect& rect, SkRegion::Op op, bool doAA) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1377 | ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle; |
| 1378 | this->onClipRect(rect, op, edgeStyle); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1379 | } |
| 1380 | |
| 1381 | void SkCanvas::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1382 | #ifdef SK_ENABLE_CLIP_QUICKREJECT |
| 1383 | if (SkRegion::kIntersect_Op == op) { |
| 1384 | if (fMCRec->fRasterClip->isEmpty()) { |
| 1385 | return false; |
| 1386 | } |
| 1387 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1388 | if (this->quickReject(rect)) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1389 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1390 | fCachedLocalClipBoundsDirty = true; |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1391 | |
| 1392 | fClipStack.clipEmpty(); |
| 1393 | return fMCRec->fRasterClip->setEmpty(); |
| 1394 | } |
| 1395 | } |
| 1396 | #endif |
| 1397 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1398 | AutoValidateClip avc(this); |
| 1399 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1400 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1401 | fCachedLocalClipBoundsDirty = true; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1402 | if (!fAllowSoftClip) { |
| 1403 | edgeStyle = kHard_ClipEdgeStyle; |
| 1404 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1405 | |
| 1406 | if (fMCRec->fMatrix->rectStaysRect()) { |
robertphillips@google.com | 1236719 | 2013-10-20 13:11:16 +0000 | [diff] [blame] | 1407 | // 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] | 1408 | // the matrix. This means we don't have to a) make a path, and b) tell |
| 1409 | // the region code to scan-convert the path, only to discover that it |
| 1410 | // is really just a rect. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1411 | SkRect r; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1412 | |
| 1413 | fMCRec->fMatrix->mapRect(&r, rect); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1414 | fClipStack.clipDevRect(r, op, kSoft_ClipEdgeStyle == edgeStyle); |
| 1415 | fMCRec->fRasterClip->op(r, op, kSoft_ClipEdgeStyle == edgeStyle); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1416 | } else { |
robertphillips@google.com | 1236719 | 2013-10-20 13:11:16 +0000 | [diff] [blame] | 1417 | // 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] | 1418 | // and clip against that, since it can handle any matrix. However, to |
| 1419 | // avoid recursion in the case where we are subclassed (e.g. Pictures) |
| 1420 | // we explicitly call "our" version of clipPath. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1421 | SkPath path; |
| 1422 | |
| 1423 | path.addRect(rect); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1424 | this->SkCanvas::onClipPath(path, op, edgeStyle); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1425 | } |
| 1426 | } |
| 1427 | |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1428 | static void clip_path_helper(const SkCanvas* canvas, SkRasterClip* currClip, |
| 1429 | const SkPath& devPath, SkRegion::Op op, bool doAA) { |
reed@google.com | 759876a | 2011-03-03 14:32:51 +0000 | [diff] [blame] | 1430 | // base is used to limit the size (and therefore memory allocation) of the |
| 1431 | // region that results from scan converting devPath. |
| 1432 | SkRegion base; |
| 1433 | |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1434 | if (SkRegion::kIntersect_Op == op) { |
reed@google.com | 759876a | 2011-03-03 14:32:51 +0000 | [diff] [blame] | 1435 | // since we are intersect, we can do better (tighter) with currRgn's |
| 1436 | // bounds, than just using the device. However, if currRgn is complex, |
| 1437 | // 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] | 1438 | if (currClip->isRect()) { |
commit-bot@chromium.org | b446fc7 | 2013-07-10 20:55:39 +0000 | [diff] [blame] | 1439 | // FIXME: we should also be able to do this when currClip->isBW(), |
| 1440 | // but relaxing the test above triggers GM asserts in |
| 1441 | // SkRgnBuilder::blitH(). We need to investigate what's going on. |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1442 | currClip->setPath(devPath, currClip->bwRgn(), doAA); |
reed@google.com | 759876a | 2011-03-03 14:32:51 +0000 | [diff] [blame] | 1443 | } else { |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 1444 | base.setRect(currClip->getBounds()); |
| 1445 | SkRasterClip clip; |
| 1446 | clip.setPath(devPath, base, doAA); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1447 | currClip->op(clip, op); |
reed@google.com | 759876a | 2011-03-03 14:32:51 +0000 | [diff] [blame] | 1448 | } |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1449 | } else { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1450 | const SkBaseDevice* device = canvas->getDevice(); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 1451 | if (!device) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1452 | currClip->setEmpty(); |
| 1453 | return; |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 1454 | } |
| 1455 | |
junov@chromium.org | a907ac3 | 2012-02-24 21:54:07 +0000 | [diff] [blame] | 1456 | base.setRect(0, 0, device->width(), device->height()); |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1457 | |
| 1458 | if (SkRegion::kReplace_Op == op) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1459 | currClip->setPath(devPath, base, doAA); |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1460 | } else { |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 1461 | SkRasterClip clip; |
| 1462 | clip.setPath(devPath, base, doAA); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1463 | currClip->op(clip, op); |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1464 | } |
| 1465 | } |
| 1466 | } |
| 1467 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1468 | void SkCanvas::clipRRect(const SkRRect& rrect, SkRegion::Op op, bool doAA) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1469 | ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1470 | if (rrect.isRect()) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1471 | this->onClipRect(rrect.getBounds(), op, edgeStyle); |
| 1472 | } else { |
| 1473 | this->onClipRRect(rrect, op, edgeStyle); |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1474 | } |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1475 | } |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1476 | |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1477 | 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] | 1478 | SkRRect transformedRRect; |
| 1479 | if (rrect.transform(*fMCRec->fMatrix, &transformedRRect)) { |
| 1480 | AutoValidateClip avc(this); |
| 1481 | |
| 1482 | fDeviceCMDirty = true; |
| 1483 | fCachedLocalClipBoundsDirty = true; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1484 | if (!fAllowSoftClip) { |
| 1485 | edgeStyle = kHard_ClipEdgeStyle; |
| 1486 | } |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1487 | |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1488 | fClipStack.clipDevRRect(transformedRRect, op, kSoft_ClipEdgeStyle == edgeStyle); |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1489 | |
| 1490 | SkPath devPath; |
| 1491 | devPath.addRRect(transformedRRect); |
| 1492 | |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1493 | clip_path_helper(this, fMCRec->fRasterClip, devPath, op, kSoft_ClipEdgeStyle == edgeStyle); |
| 1494 | return; |
commit-bot@chromium.org | 14e50ae | 2014-02-16 23:35:31 +0000 | [diff] [blame] | 1495 | } |
| 1496 | |
| 1497 | SkPath path; |
| 1498 | path.addRRect(rrect); |
| 1499 | // call the non-virtual version |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1500 | this->SkCanvas::onClipPath(path, op, edgeStyle); |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1501 | } |
| 1502 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1503 | void SkCanvas::clipPath(const SkPath& path, SkRegion::Op op, bool doAA) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1504 | ClipEdgeStyle edgeStyle = doAA ? kSoft_ClipEdgeStyle : kHard_ClipEdgeStyle; |
| 1505 | SkRect r; |
| 1506 | if (!path.isInverseFillType() && path.isRect(&r)) { |
| 1507 | this->onClipRect(r, op, edgeStyle); |
| 1508 | } else { |
| 1509 | this->onClipPath(path, op, edgeStyle); |
| 1510 | } |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1511 | } |
| 1512 | |
| 1513 | void SkCanvas::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1514 | #ifdef SK_ENABLE_CLIP_QUICKREJECT |
| 1515 | if (SkRegion::kIntersect_Op == op && !path.isInverseFillType()) { |
| 1516 | if (fMCRec->fRasterClip->isEmpty()) { |
| 1517 | return false; |
| 1518 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1519 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1520 | if (this->quickReject(path.getBounds())) { |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1521 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1522 | fCachedLocalClipBoundsDirty = true; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1523 | |
reed@google.com | da17f75 | 2012-08-16 18:27:05 +0000 | [diff] [blame] | 1524 | fClipStack.clipEmpty(); |
| 1525 | return fMCRec->fRasterClip->setEmpty(); |
| 1526 | } |
| 1527 | } |
| 1528 | #endif |
| 1529 | |
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; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1534 | if (!fAllowSoftClip) { |
| 1535 | edgeStyle = kHard_ClipEdgeStyle; |
| 1536 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1537 | |
| 1538 | SkPath devPath; |
| 1539 | path.transform(*fMCRec->fMatrix, &devPath); |
| 1540 | |
reed@google.com | fe70112 | 2011-11-08 19:41:23 +0000 | [diff] [blame] | 1541 | // Check if the transfomation, or the original path itself |
| 1542 | // made us empty. Note this can also happen if we contained NaN |
| 1543 | // values. computing the bounds detects this, and will set our |
| 1544 | // bounds to empty if that is the case. (see SkRect::set(pts, count)) |
| 1545 | if (devPath.getBounds().isEmpty()) { |
| 1546 | // resetting the path will remove any NaN or other wanky values |
| 1547 | // that might upset our scan converter. |
| 1548 | devPath.reset(); |
| 1549 | } |
| 1550 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1551 | // 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] | 1552 | fClipStack.clipDevPath(devPath, op, kSoft_ClipEdgeStyle == edgeStyle); |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1553 | |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1554 | if (fAllowSimplifyClip) { |
| 1555 | devPath.reset(); |
| 1556 | devPath.setFillType(SkPath::kInverseEvenOdd_FillType); |
| 1557 | const SkClipStack* clipStack = getClipStack(); |
| 1558 | SkClipStack::Iter iter(*clipStack, SkClipStack::Iter::kBottom_IterStart); |
| 1559 | const SkClipStack::Element* element; |
| 1560 | while ((element = iter.next())) { |
| 1561 | SkClipStack::Element::Type type = element->getType(); |
| 1562 | if (type == SkClipStack::Element::kEmpty_Type) { |
| 1563 | continue; |
| 1564 | } |
| 1565 | SkPath operand; |
commit-bot@chromium.org | e5b2af9 | 2014-02-16 13:25:24 +0000 | [diff] [blame] | 1566 | element->asPath(&operand); |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1567 | SkRegion::Op elementOp = element->getOp(); |
| 1568 | if (elementOp == SkRegion::kReplace_Op) { |
| 1569 | devPath = operand; |
| 1570 | } else { |
| 1571 | Op(devPath, operand, (SkPathOp) elementOp, &devPath); |
| 1572 | } |
caryclark@google.com | 96fd344 | 2013-05-07 19:48:31 +0000 | [diff] [blame] | 1573 | // if the prev and curr clips disagree about aa -vs- not, favor the aa request. |
| 1574 | // perhaps we need an API change to avoid this sort of mixed-signals about |
| 1575 | // clipping. |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1576 | if (element->isAA()) { |
| 1577 | edgeStyle = kSoft_ClipEdgeStyle; |
| 1578 | } |
caryclark@google.com | 45a75fb | 2013-04-25 13:34:40 +0000 | [diff] [blame] | 1579 | } |
| 1580 | op = SkRegion::kReplace_Op; |
| 1581 | } |
| 1582 | |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1583 | clip_path_helper(this, fMCRec->fRasterClip, devPath, op, edgeStyle); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1584 | } |
| 1585 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1586 | void SkCanvas::updateClipConservativelyUsingBounds(const SkRect& bounds, SkRegion::Op op, |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1587 | bool inverseFilled) { |
| 1588 | // This is for updating the clip conservatively using only bounds |
| 1589 | // information. |
| 1590 | // Contract: |
| 1591 | // The current clip must contain the true clip. The true |
| 1592 | // clip is the clip that would have normally been computed |
| 1593 | // by calls to clipPath and clipRRect |
| 1594 | // Objective: |
| 1595 | // Keep the current clip as small as possible without |
| 1596 | // breaking the contract, using only clip bounding rectangles |
| 1597 | // (for performance). |
| 1598 | |
| 1599 | // N.B.: This *never* calls back through a virtual on canvas, so subclasses |
| 1600 | // don't have to worry about getting caught in a loop. Thus anywhere |
| 1601 | // we call a virtual method, we explicitly prefix it with |
| 1602 | // SkCanvas:: to be sure to call the base-class. |
skia.committer@gmail.com | a5d3e77 | 2013-05-30 07:01:29 +0000 | [diff] [blame] | 1603 | |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1604 | if (inverseFilled) { |
| 1605 | switch (op) { |
| 1606 | case SkRegion::kIntersect_Op: |
| 1607 | case SkRegion::kDifference_Op: |
| 1608 | // These ops can only shrink the current clip. So leaving |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1609 | // the clip unchanged conservatively respects the contract. |
| 1610 | break; |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1611 | case SkRegion::kUnion_Op: |
| 1612 | case SkRegion::kReplace_Op: |
| 1613 | case SkRegion::kReverseDifference_Op: |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1614 | case SkRegion::kXOR_Op: { |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1615 | // These ops can grow the current clip up to the extents of |
| 1616 | // the input clip, which is inverse filled, so we just set |
| 1617 | // the current clip to the device bounds. |
| 1618 | SkRect deviceBounds; |
| 1619 | SkIRect deviceIBounds; |
| 1620 | this->getDevice()->getGlobalBounds(&deviceIBounds); |
reed@google.com | 4469938 | 2013-10-31 17:28:30 +0000 | [diff] [blame] | 1621 | deviceBounds = SkRect::Make(deviceIBounds); |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1622 | this->SkCanvas::save(SkCanvas::kMatrix_SaveFlag); |
| 1623 | // set the clip in device space |
| 1624 | this->SkCanvas::setMatrix(SkMatrix::I()); |
skia.committer@gmail.com | 370a899 | 2014-03-01 03:02:09 +0000 | [diff] [blame] | 1625 | this->SkCanvas::onClipRect(deviceBounds, SkRegion::kReplace_Op, |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1626 | kHard_ClipEdgeStyle); |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1627 | this->SkCanvas::restore(); //pop the matrix, but keep the clip |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1628 | break; |
| 1629 | } |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1630 | default: |
| 1631 | SkASSERT(0); // unhandled op? |
| 1632 | } |
| 1633 | } else { |
| 1634 | // Not inverse filled |
| 1635 | switch (op) { |
| 1636 | case SkRegion::kIntersect_Op: |
| 1637 | case SkRegion::kUnion_Op: |
| 1638 | case SkRegion::kReplace_Op: |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1639 | this->SkCanvas::onClipRect(bounds, op, kHard_ClipEdgeStyle); |
| 1640 | break; |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1641 | case SkRegion::kDifference_Op: |
| 1642 | // Difference can only shrink the current clip. |
| 1643 | // Leaving clip unchanged conservatively fullfills the contract. |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1644 | break; |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1645 | case SkRegion::kReverseDifference_Op: |
| 1646 | // To reverse, we swap in the bounds with a replace op. |
| 1647 | // As with difference, leave it unchanged. |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1648 | this->SkCanvas::onClipRect(bounds, SkRegion::kReplace_Op, kHard_ClipEdgeStyle); |
| 1649 | break; |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1650 | case SkRegion::kXOR_Op: |
| 1651 | // Be conservative, based on (A XOR B) always included in (A union B), |
| 1652 | // which is always included in (bounds(A) union bounds(B)) |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1653 | this->SkCanvas::onClipRect(bounds, SkRegion::kUnion_Op, kHard_ClipEdgeStyle); |
| 1654 | break; |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1655 | default: |
| 1656 | SkASSERT(0); // unhandled op? |
| 1657 | } |
| 1658 | } |
junov@chromium.org | ed8d6bb | 2013-05-29 19:09:48 +0000 | [diff] [blame] | 1659 | } |
| 1660 | |
commit-bot@chromium.org | 759cf48 | 2014-03-06 13:18:07 +0000 | [diff] [blame] | 1661 | void SkCanvas::clipRegion(const SkRegion& rgn, SkRegion::Op op) { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1662 | this->onClipRegion(rgn, op); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1663 | } |
| 1664 | |
| 1665 | void SkCanvas::onClipRegion(const SkRegion& rgn, SkRegion::Op op) { |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1666 | AutoValidateClip avc(this); |
| 1667 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1668 | fDeviceCMDirty = true; |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1669 | fCachedLocalClipBoundsDirty = true; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1670 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1671 | // todo: signal fClipStack that we have a region, and therefore (I guess) |
| 1672 | // we have to ignore it, and use the region directly? |
reed@google.com | 115d931 | 2012-05-16 18:50:40 +0000 | [diff] [blame] | 1673 | fClipStack.clipDevRect(rgn.getBounds(), op); |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1674 | |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1675 | fMCRec->fRasterClip->op(rgn, op); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1676 | } |
| 1677 | |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1678 | #ifdef SK_DEBUG |
| 1679 | void SkCanvas::validateClip() const { |
| 1680 | // construct clipRgn from the clipstack |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1681 | const SkBaseDevice* device = this->getDevice(); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 1682 | if (!device) { |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1683 | SkASSERT(this->isClipEmpty()); |
djsollen@google.com | ccfee2a | 2012-05-01 16:50:10 +0000 | [diff] [blame] | 1684 | return; |
| 1685 | } |
| 1686 | |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1687 | SkIRect ir; |
| 1688 | ir.set(0, 0, device->width(), device->height()); |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 1689 | SkRasterClip tmpClip(ir); |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1690 | |
robertphillips@google.com | 80214e2 | 2012-07-20 15:33:18 +0000 | [diff] [blame] | 1691 | SkClipStack::B2TIter iter(fClipStack); |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1692 | const SkClipStack::Element* element; |
| 1693 | while ((element = iter.next()) != NULL) { |
| 1694 | switch (element->getType()) { |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1695 | case SkClipStack::Element::kRect_Type: |
| 1696 | element->getRect().round(&ir); |
| 1697 | tmpClip.op(ir, element->getOp()); |
| 1698 | break; |
| 1699 | case SkClipStack::Element::kEmpty_Type: |
| 1700 | tmpClip.setEmpty(); |
| 1701 | break; |
commit-bot@chromium.org | 9cb671a | 2014-02-16 14:45:45 +0000 | [diff] [blame] | 1702 | default: { |
| 1703 | SkPath path; |
| 1704 | element->asPath(&path); |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1705 | clip_path_helper(this, &tmpClip, path, element->getOp(), element->isAA()); |
commit-bot@chromium.org | 9cb671a | 2014-02-16 14:45:45 +0000 | [diff] [blame] | 1706 | break; |
| 1707 | } |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1708 | } |
| 1709 | } |
reed@google.com | 819c921 | 2011-02-23 18:56:55 +0000 | [diff] [blame] | 1710 | } |
| 1711 | #endif |
| 1712 | |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 1713 | void SkCanvas::replayClips(ClipVisitor* visitor) const { |
robertphillips@google.com | 80214e2 | 2012-07-20 15:33:18 +0000 | [diff] [blame] | 1714 | SkClipStack::B2TIter iter(fClipStack); |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1715 | const SkClipStack::Element* element; |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 1716 | |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1717 | static const SkRect kEmpty = { 0, 0, 0, 0 }; |
| 1718 | while ((element = iter.next()) != NULL) { |
| 1719 | switch (element->getType()) { |
| 1720 | case SkClipStack::Element::kPath_Type: |
| 1721 | visitor->clipPath(element->getPath(), element->getOp(), element->isAA()); |
| 1722 | break; |
commit-bot@chromium.org | e5b2af9 | 2014-02-16 13:25:24 +0000 | [diff] [blame] | 1723 | case SkClipStack::Element::kRRect_Type: |
| 1724 | visitor->clipRRect(element->getRRect(), element->getOp(), element->isAA()); |
| 1725 | break; |
bsalomon@google.com | 8182fa0 | 2012-12-04 14:06:06 +0000 | [diff] [blame] | 1726 | case SkClipStack::Element::kRect_Type: |
| 1727 | visitor->clipRect(element->getRect(), element->getOp(), element->isAA()); |
| 1728 | break; |
| 1729 | case SkClipStack::Element::kEmpty_Type: |
| 1730 | visitor->clipRect(kEmpty, SkRegion::kIntersect_Op, false); |
| 1731 | break; |
reed@google.com | 90c07ea | 2012-04-13 13:50:27 +0000 | [diff] [blame] | 1732 | } |
| 1733 | } |
| 1734 | } |
| 1735 | |
reed@google.com | 5c3d147 | 2011-02-22 19:12:23 +0000 | [diff] [blame] | 1736 | /////////////////////////////////////////////////////////////////////////////// |
| 1737 | |
reed@google.com | 754de5f | 2014-02-24 19:38:20 +0000 | [diff] [blame] | 1738 | bool SkCanvas::isClipEmpty() const { |
| 1739 | return fMCRec->fRasterClip->isEmpty(); |
| 1740 | } |
| 1741 | |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1742 | bool SkCanvas::isClipRect() const { |
| 1743 | return fMCRec->fRasterClip->isRect(); |
| 1744 | } |
| 1745 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1746 | bool SkCanvas::quickReject(const SkRect& rect) const { |
wjmaclean@chromium.org | 116b2bc | 2011-02-07 17:48:37 +0000 | [diff] [blame] | 1747 | |
reed@google.com | 1607863 | 2011-12-06 18:56:37 +0000 | [diff] [blame] | 1748 | if (!rect.isFinite()) |
wjmaclean@chromium.org | 116b2bc | 2011-02-07 17:48:37 +0000 | [diff] [blame] | 1749 | return true; |
| 1750 | |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 1751 | if (fMCRec->fRasterClip->isEmpty()) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1752 | return true; |
| 1753 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1754 | |
tomhudson@google.com | 8d43018 | 2011-06-06 19:11:19 +0000 | [diff] [blame] | 1755 | if (fMCRec->fMatrix->hasPerspective()) { |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1756 | SkRect dst; |
| 1757 | fMCRec->fMatrix->mapRect(&dst, rect); |
| 1758 | SkIRect idst; |
| 1759 | dst.roundOut(&idst); |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 1760 | return !SkIRect::Intersects(idst, fMCRec->fRasterClip->getBounds()); |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1761 | } else { |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1762 | const SkRect& clipR = this->getLocalClipBounds(); |
reed@android.com | d252db0 | 2009-04-01 18:31:44 +0000 | [diff] [blame] | 1763 | |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1764 | // for speed, do the most likely reject compares first |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1765 | // TODO: should we use | instead, or compare all 4 at once? |
| 1766 | if (rect.fTop >= clipR.fBottom || rect.fBottom <= clipR.fTop) { |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1767 | return true; |
| 1768 | } |
reed@google.com | c0784db | 2013-12-13 21:16:12 +0000 | [diff] [blame] | 1769 | if (rect.fLeft >= clipR.fRight || rect.fRight <= clipR.fLeft) { |
reed@android.com | a380ae4 | 2009-07-21 01:17:02 +0000 | [diff] [blame] | 1770 | return true; |
| 1771 | } |
| 1772 | return false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1773 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1774 | } |
| 1775 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1776 | bool SkCanvas::quickReject(const SkPath& path) const { |
| 1777 | return path.isEmpty() || this->quickReject(path.getBounds()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1778 | } |
| 1779 | |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1780 | bool SkCanvas::getClipBounds(SkRect* bounds) const { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1781 | SkIRect ibounds; |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1782 | if (!this->getClipDeviceBounds(&ibounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1783 | return false; |
| 1784 | } |
| 1785 | |
reed@android.com | d9c0f0b | 2009-02-06 22:39:37 +0000 | [diff] [blame] | 1786 | SkMatrix inverse; |
| 1787 | // if we can't invert the CTM, we can't return local clip bounds |
| 1788 | if (!fMCRec->fMatrix->invert(&inverse)) { |
reed@android.com | 72dcd3a | 2009-05-18 15:46:29 +0000 | [diff] [blame] | 1789 | if (bounds) { |
| 1790 | bounds->setEmpty(); |
| 1791 | } |
reed@android.com | d9c0f0b | 2009-02-06 22:39:37 +0000 | [diff] [blame] | 1792 | return false; |
| 1793 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1794 | |
reed@android.com | d9c0f0b | 2009-02-06 22:39:37 +0000 | [diff] [blame] | 1795 | if (NULL != bounds) { |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1796 | SkRect r; |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 1797 | // adjust it outwards in case we are antialiasing |
| 1798 | const int inset = 1; |
reed@google.com | fa4d5bd | 2012-01-30 17:36:27 +0000 | [diff] [blame] | 1799 | |
reed@google.com | 8f4d230 | 2013-12-17 16:44:46 +0000 | [diff] [blame] | 1800 | r.iset(ibounds.fLeft - inset, ibounds.fTop - inset, |
| 1801 | ibounds.fRight + inset, ibounds.fBottom + inset); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1802 | inverse.mapRect(bounds, r); |
| 1803 | } |
| 1804 | return true; |
| 1805 | } |
| 1806 | |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1807 | bool SkCanvas::getClipDeviceBounds(SkIRect* bounds) const { |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 1808 | const SkRasterClip& clip = *fMCRec->fRasterClip; |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1809 | if (clip.isEmpty()) { |
| 1810 | if (bounds) { |
| 1811 | bounds->setEmpty(); |
| 1812 | } |
| 1813 | return false; |
| 1814 | } |
| 1815 | |
| 1816 | if (NULL != bounds) { |
| 1817 | *bounds = clip.getBounds(); |
| 1818 | } |
| 1819 | return true; |
| 1820 | } |
| 1821 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1822 | const SkMatrix& SkCanvas::getTotalMatrix() const { |
| 1823 | return *fMCRec->fMatrix; |
| 1824 | } |
| 1825 | |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1826 | #ifdef SK_SUPPORT_LEGACY_GETCLIPTYPE |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1827 | SkCanvas::ClipType SkCanvas::getClipType() const { |
robertphillips@google.com | 8f90a89 | 2014-02-28 18:19:39 +0000 | [diff] [blame] | 1828 | if (fMCRec->fRasterClip->isEmpty()) { |
| 1829 | return kEmpty_ClipType; |
| 1830 | } |
| 1831 | if (fMCRec->fRasterClip->isRect()) { |
| 1832 | return kRect_ClipType; |
| 1833 | } |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1834 | return kComplex_ClipType; |
| 1835 | } |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1836 | #endif |
tomhudson@google.com | bcb671c | 2011-09-13 15:07:58 +0000 | [diff] [blame] | 1837 | |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1838 | #ifdef SK_SUPPORT_LEGACY_GETTOTALCLIP |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1839 | const SkRegion& SkCanvas::getTotalClip() const { |
reed@google.com | 0017708 | 2011-10-12 14:34:30 +0000 | [diff] [blame] | 1840 | return fMCRec->fRasterClip->forceGetBW(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1841 | } |
commit-bot@chromium.org | 5c70cdc | 2014-03-08 03:57:19 +0000 | [diff] [blame] | 1842 | #endif |
| 1843 | |
| 1844 | const SkRegion& SkCanvas::internal_private_getTotalClip() const { |
| 1845 | return fMCRec->fRasterClip->forceGetBW(); |
| 1846 | } |
| 1847 | |
| 1848 | void SkCanvas::internal_private_getTotalClipAsPath(SkPath* path) const { |
| 1849 | path->reset(); |
| 1850 | |
| 1851 | const SkRegion& rgn = fMCRec->fRasterClip->forceGetBW(); |
| 1852 | if (rgn.isEmpty()) { |
| 1853 | return; |
| 1854 | } |
| 1855 | (void)rgn.getBoundaryPath(path); |
| 1856 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1857 | |
reed@google.com | 9c135db | 2014-03-12 18:28:35 +0000 | [diff] [blame] | 1858 | GrRenderTarget* SkCanvas::internal_private_accessTopLayerRenderTarget() { |
| 1859 | SkBaseDevice* dev = this->getTopDevice(); |
| 1860 | return dev ? dev->accessRenderTarget() : NULL; |
| 1861 | } |
| 1862 | |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 1863 | SkBaseDevice* SkCanvas::createLayerDevice(const SkImageInfo& info) { |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 1864 | SkBaseDevice* device = this->getTopDevice(); |
commit-bot@chromium.org | 15a1405 | 2014-02-16 00:59:25 +0000 | [diff] [blame] | 1865 | return device ? device->createCompatibleDeviceForSaveLayer(info) : NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1866 | } |
| 1867 | |
commit-bot@chromium.org | 644629c | 2013-11-21 06:21:58 +0000 | [diff] [blame] | 1868 | GrContext* SkCanvas::getGrContext() { |
| 1869 | #if SK_SUPPORT_GPU |
| 1870 | SkBaseDevice* device = this->getTopDevice(); |
| 1871 | if (NULL != device) { |
| 1872 | GrRenderTarget* renderTarget = device->accessRenderTarget(); |
| 1873 | if (NULL != renderTarget) { |
| 1874 | return renderTarget->getContext(); |
| 1875 | } |
| 1876 | } |
| 1877 | #endif |
| 1878 | |
| 1879 | return NULL; |
| 1880 | |
| 1881 | } |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 1882 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 1883 | void SkCanvas::drawDRRect(const SkRRect& outer, const SkRRect& inner, |
| 1884 | const SkPaint& paint) { |
| 1885 | if (outer.isEmpty()) { |
| 1886 | return; |
| 1887 | } |
| 1888 | if (inner.isEmpty()) { |
| 1889 | this->drawRRect(outer, paint); |
| 1890 | return; |
| 1891 | } |
| 1892 | |
| 1893 | // We don't have this method (yet), but technically this is what we should |
| 1894 | // be able to assert... |
| 1895 | // SkASSERT(outer.contains(inner)); |
| 1896 | // |
| 1897 | // For now at least check for containment of bounds |
| 1898 | SkASSERT(outer.getBounds().contains(inner.getBounds())); |
| 1899 | |
| 1900 | this->onDrawDRRect(outer, inner, paint); |
| 1901 | } |
| 1902 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1903 | ////////////////////////////////////////////////////////////////////////////// |
| 1904 | // These are the virtual drawing methods |
| 1905 | ////////////////////////////////////////////////////////////////////////////// |
| 1906 | |
reed@google.com | 2a98181 | 2011-04-14 18:59:28 +0000 | [diff] [blame] | 1907 | void SkCanvas::clear(SkColor color) { |
| 1908 | SkDrawIter iter(this); |
junov@chromium.org | 995beb6 | 2013-03-28 13:49:22 +0000 | [diff] [blame] | 1909 | this->predrawNotify(); |
reed@google.com | 2a98181 | 2011-04-14 18:59:28 +0000 | [diff] [blame] | 1910 | while (iter.next()) { |
| 1911 | iter.fDevice->clear(color); |
| 1912 | } |
| 1913 | } |
| 1914 | |
commit-bot@chromium.org | 28361fa | 2014-03-28 16:08:05 +0000 | [diff] [blame] | 1915 | void SkCanvas::onDiscard() { |
| 1916 | if (NULL != fSurfaceBase) { |
| 1917 | fSurfaceBase->aboutToDraw(SkSurface::kDiscard_ContentChangeMode); |
| 1918 | } |
| 1919 | } |
| 1920 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1921 | void SkCanvas::drawPaint(const SkPaint& paint) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 1922 | this->internalDrawPaint(paint); |
| 1923 | } |
| 1924 | |
| 1925 | void SkCanvas::internalDrawPaint(const SkPaint& paint) { |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 1926 | CHECK_SHADER_NOSETCONTEXT(paint); |
| 1927 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1928 | LOOPER_BEGIN(paint, SkDrawFilter::kPaint_Type, NULL) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1929 | |
| 1930 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1931 | iter.fDevice->drawPaint(iter, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1932 | } |
| 1933 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1934 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1935 | } |
| 1936 | |
| 1937 | void SkCanvas::drawPoints(PointMode mode, size_t count, const SkPoint pts[], |
| 1938 | const SkPaint& paint) { |
| 1939 | if ((long)count <= 0) { |
| 1940 | return; |
| 1941 | } |
| 1942 | |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 1943 | CHECK_SHADER_NOSETCONTEXT(paint); |
| 1944 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1945 | SkRect r, storage; |
| 1946 | const SkRect* bounds = NULL; |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1947 | if (paint.canComputeFastBounds()) { |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1948 | // special-case 2 points (common for drawing a single line) |
| 1949 | if (2 == count) { |
| 1950 | r.set(pts[0], pts[1]); |
| 1951 | } else { |
commit-bot@chromium.org | a8c7f77 | 2014-01-24 21:46:29 +0000 | [diff] [blame] | 1952 | r.set(pts, SkToInt(count)); |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1953 | } |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1954 | bounds = &paint.computeFastStrokeBounds(r, &storage); |
| 1955 | if (this->quickReject(*bounds)) { |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1956 | return; |
| 1957 | } |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 1958 | } |
reed@google.com | a584aed | 2012-05-16 14:06:02 +0000 | [diff] [blame] | 1959 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1960 | SkASSERT(pts != NULL); |
| 1961 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1962 | LOOPER_BEGIN(paint, SkDrawFilter::kPoint_Type, bounds) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1963 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1964 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1965 | iter.fDevice->drawPoints(iter, mode, count, pts, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1966 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1967 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1968 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1969 | } |
| 1970 | |
bsalomon@google.com | 7ce564c | 2013-10-22 16:54:15 +0000 | [diff] [blame] | 1971 | void SkCanvas::drawRect(const SkRect& r, const SkPaint& paint) { |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 1972 | CHECK_SHADER_NOSETCONTEXT(paint); |
| 1973 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1974 | SkRect storage; |
| 1975 | const SkRect* bounds = NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1976 | if (paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1977 | bounds = &paint.computeFastBounds(r, &storage); |
| 1978 | if (this->quickReject(*bounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1979 | return; |
| 1980 | } |
| 1981 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 1982 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1983 | LOOPER_BEGIN(paint, SkDrawFilter::kRect_Type, bounds) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1984 | |
| 1985 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1986 | iter.fDevice->drawRect(iter, r, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1987 | } |
| 1988 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 1989 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1990 | } |
| 1991 | |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1992 | void SkCanvas::drawOval(const SkRect& oval, const SkPaint& paint) { |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 1993 | CHECK_SHADER_NOSETCONTEXT(paint); |
| 1994 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1995 | SkRect storage; |
| 1996 | const SkRect* bounds = NULL; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 1997 | if (paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 1998 | bounds = &paint.computeFastBounds(oval, &storage); |
| 1999 | if (this->quickReject(*bounds)) { |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2000 | return; |
| 2001 | } |
| 2002 | } |
skia.committer@gmail.com | 306ab9d | 2012-12-13 02:01:33 +0000 | [diff] [blame] | 2003 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2004 | LOOPER_BEGIN(paint, SkDrawFilter::kOval_Type, bounds) |
jvanverth@google.com | 46d3d39 | 2013-01-22 13:34:01 +0000 | [diff] [blame] | 2005 | |
| 2006 | while (iter.next()) { |
| 2007 | iter.fDevice->drawOval(iter, oval, looper.paint()); |
| 2008 | } |
| 2009 | |
| 2010 | LOOPER_END |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2011 | } |
| 2012 | |
| 2013 | void SkCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) { |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 2014 | CHECK_SHADER_NOSETCONTEXT(paint); |
| 2015 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2016 | SkRect storage; |
| 2017 | const SkRect* bounds = NULL; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2018 | if (paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2019 | bounds = &paint.computeFastBounds(rrect.getBounds(), &storage); |
| 2020 | if (this->quickReject(*bounds)) { |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2021 | return; |
| 2022 | } |
| 2023 | } |
| 2024 | |
| 2025 | if (rrect.isRect()) { |
| 2026 | // call the non-virtual version |
| 2027 | this->SkCanvas::drawRect(rrect.getBounds(), paint); |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2028 | return; |
| 2029 | } else if (rrect.isOval()) { |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2030 | // call the non-virtual version |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2031 | this->SkCanvas::drawOval(rrect.getBounds(), paint); |
| 2032 | return; |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2033 | } |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2034 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2035 | LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, bounds) |
commit-bot@chromium.org | f2bfd54 | 2013-04-25 15:27:00 +0000 | [diff] [blame] | 2036 | |
| 2037 | while (iter.next()) { |
| 2038 | iter.fDevice->drawRRect(iter, rrect, looper.paint()); |
| 2039 | } |
| 2040 | |
| 2041 | LOOPER_END |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2042 | } |
| 2043 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 2044 | void SkCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, |
| 2045 | const SkPaint& paint) { |
| 2046 | CHECK_SHADER_NOSETCONTEXT(paint); |
skia.committer@gmail.com | 25c7127 | 2014-02-21 03:02:02 +0000 | [diff] [blame] | 2047 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 2048 | SkRect storage; |
| 2049 | const SkRect* bounds = NULL; |
| 2050 | if (paint.canComputeFastBounds()) { |
| 2051 | bounds = &paint.computeFastBounds(outer.getBounds(), &storage); |
| 2052 | if (this->quickReject(*bounds)) { |
| 2053 | return; |
| 2054 | } |
| 2055 | } |
skia.committer@gmail.com | 25c7127 | 2014-02-21 03:02:02 +0000 | [diff] [blame] | 2056 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 2057 | LOOPER_BEGIN(paint, SkDrawFilter::kRRect_Type, bounds) |
skia.committer@gmail.com | 25c7127 | 2014-02-21 03:02:02 +0000 | [diff] [blame] | 2058 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 2059 | while (iter.next()) { |
| 2060 | iter.fDevice->drawDRRect(iter, outer, inner, looper.paint()); |
| 2061 | } |
skia.committer@gmail.com | 25c7127 | 2014-02-21 03:02:02 +0000 | [diff] [blame] | 2062 | |
commit-bot@chromium.org | ed9806f | 2014-02-21 02:32:36 +0000 | [diff] [blame] | 2063 | LOOPER_END |
| 2064 | } |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2065 | |
bsalomon@google.com | 7ce564c | 2013-10-22 16:54:15 +0000 | [diff] [blame] | 2066 | void SkCanvas::drawPath(const SkPath& path, const SkPaint& paint) { |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 2067 | CHECK_SHADER_NOSETCONTEXT(paint); |
| 2068 | |
reed@google.com | 9364511 | 2012-07-26 16:11:47 +0000 | [diff] [blame] | 2069 | if (!path.isFinite()) { |
| 2070 | return; |
| 2071 | } |
| 2072 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2073 | SkRect storage; |
| 2074 | const SkRect* bounds = NULL; |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 2075 | if (!path.isInverseFillType() && paint.canComputeFastBounds()) { |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2076 | const SkRect& pathBounds = path.getBounds(); |
| 2077 | bounds = &paint.computeFastBounds(pathBounds, &storage); |
| 2078 | if (this->quickReject(*bounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2079 | return; |
| 2080 | } |
| 2081 | } |
commit-bot@chromium.org | 0b45dc4 | 2014-02-21 05:42:57 +0000 | [diff] [blame] | 2082 | |
| 2083 | const SkRect& r = path.getBounds(); |
| 2084 | if (r.width() <= 0 && r.height() <= 0) { |
bsalomon@google.com | fa6ac93 | 2011-10-05 19:57:55 +0000 | [diff] [blame] | 2085 | if (path.isInverseFillType()) { |
| 2086 | this->internalDrawPaint(paint); |
| 2087 | } |
| 2088 | return; |
| 2089 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2090 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2091 | LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, bounds) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2092 | |
| 2093 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2094 | iter.fDevice->drawPath(iter, path, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2095 | } |
| 2096 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2097 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2098 | } |
| 2099 | |
| 2100 | void SkCanvas::drawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y, |
| 2101 | const SkPaint* paint) { |
| 2102 | SkDEBUGCODE(bitmap.validate();) |
| 2103 | |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 2104 | if (NULL == paint || paint->canComputeFastBounds()) { |
reed@google.com | 9efd9a0 | 2012-01-30 15:41:43 +0000 | [diff] [blame] | 2105 | SkRect bounds = { |
| 2106 | x, y, |
| 2107 | x + SkIntToScalar(bitmap.width()), |
| 2108 | y + SkIntToScalar(bitmap.height()) |
| 2109 | }; |
| 2110 | if (paint) { |
| 2111 | (void)paint->computeFastBounds(bounds, &bounds); |
| 2112 | } |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 2113 | if (this->quickReject(bounds)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2114 | return; |
| 2115 | } |
| 2116 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2117 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2118 | SkMatrix matrix; |
| 2119 | matrix.setTranslate(x, y); |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 2120 | this->internalDrawBitmap(bitmap, matrix, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2121 | } |
| 2122 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2123 | // 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] | 2124 | void SkCanvas::internalDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 2125 | const SkRect& dst, const SkPaint* paint, |
| 2126 | DrawBitmapRectFlags flags) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 2127 | if (bitmap.drawsNothing() || dst.isEmpty()) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2128 | return; |
| 2129 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 2130 | |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 2131 | CHECK_LOCKCOUNT_BALANCE(bitmap); |
| 2132 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2133 | SkRect storage; |
| 2134 | const SkRect* bounds = &dst; |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 2135 | if (NULL == paint || paint->canComputeFastBounds()) { |
reed@google.com | 9efd9a0 | 2012-01-30 15:41:43 +0000 | [diff] [blame] | 2136 | if (paint) { |
| 2137 | bounds = &paint->computeFastBounds(dst, &storage); |
| 2138 | } |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 2139 | if (this->quickReject(*bounds)) { |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 2140 | return; |
| 2141 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2142 | } |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 2143 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 2144 | SkLazyPaint lazy; |
| 2145 | if (NULL == paint) { |
| 2146 | paint = lazy.init(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2147 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 2148 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2149 | LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, bounds) |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 2150 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 2151 | while (iter.next()) { |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 2152 | iter.fDevice->drawBitmapRect(iter, bitmap, src, dst, looper.paint(), flags); |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 2153 | } |
skia.committer@gmail.com | 7064e9a | 2012-09-26 02:01:18 +0000 | [diff] [blame] | 2154 | |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 2155 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2156 | } |
| 2157 | |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 2158 | void SkCanvas::drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 2159 | const SkRect& dst, const SkPaint* paint, |
| 2160 | DrawBitmapRectFlags flags) { |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2161 | SkDEBUGCODE(bitmap.validate();) |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 2162 | this->internalDrawBitmapRect(bitmap, src, dst, paint, flags); |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2163 | } |
| 2164 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2165 | void SkCanvas::drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& matrix, |
| 2166 | const SkPaint* paint) { |
| 2167 | SkDEBUGCODE(bitmap.validate();) |
robertphillips@google.com | 9bf380c | 2013-07-25 12:10:42 +0000 | [diff] [blame] | 2168 | this->internalDrawBitmap(bitmap, matrix, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2169 | } |
| 2170 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2171 | void SkCanvas::internalDrawBitmapNine(const SkBitmap& bitmap, |
| 2172 | const SkIRect& center, const SkRect& dst, |
| 2173 | const SkPaint* paint) { |
commit-bot@chromium.org | 50b393a | 2014-02-10 18:29:10 +0000 | [diff] [blame] | 2174 | if (bitmap.drawsNothing()) { |
| 2175 | return; |
| 2176 | } |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 2177 | if (NULL == paint || paint->canComputeFastBounds()) { |
djsollen@google.com | 60abb07 | 2012-02-15 18:49:15 +0000 | [diff] [blame] | 2178 | SkRect storage; |
| 2179 | const SkRect* bounds = &dst; |
| 2180 | if (paint) { |
| 2181 | bounds = &paint->computeFastBounds(dst, &storage); |
| 2182 | } |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 2183 | if (this->quickReject(*bounds)) { |
reed@google.com | 3d60812 | 2011-11-21 15:16:16 +0000 | [diff] [blame] | 2184 | return; |
| 2185 | } |
| 2186 | } |
| 2187 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2188 | const int32_t w = bitmap.width(); |
| 2189 | const int32_t h = bitmap.height(); |
| 2190 | |
| 2191 | SkIRect c = center; |
| 2192 | // pin center to the bounds of the bitmap |
| 2193 | c.fLeft = SkMax32(0, center.fLeft); |
| 2194 | c.fTop = SkMax32(0, center.fTop); |
| 2195 | c.fRight = SkPin32(center.fRight, c.fLeft, w); |
| 2196 | c.fBottom = SkPin32(center.fBottom, c.fTop, h); |
| 2197 | |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 2198 | const SkScalar srcX[4] = { |
rmistry@google.com | 7d474f8 | 2013-01-02 22:03:54 +0000 | [diff] [blame] | 2199 | 0, SkIntToScalar(c.fLeft), SkIntToScalar(c.fRight), SkIntToScalar(w) |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 2200 | }; |
| 2201 | const SkScalar srcY[4] = { |
rmistry@google.com | 7d474f8 | 2013-01-02 22:03:54 +0000 | [diff] [blame] | 2202 | 0, SkIntToScalar(c.fTop), SkIntToScalar(c.fBottom), SkIntToScalar(h) |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 2203 | }; |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2204 | SkScalar dstX[4] = { |
| 2205 | dst.fLeft, dst.fLeft + SkIntToScalar(c.fLeft), |
| 2206 | dst.fRight - SkIntToScalar(w - c.fRight), dst.fRight |
| 2207 | }; |
| 2208 | SkScalar dstY[4] = { |
| 2209 | dst.fTop, dst.fTop + SkIntToScalar(c.fTop), |
| 2210 | dst.fBottom - SkIntToScalar(h - c.fBottom), dst.fBottom |
| 2211 | }; |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 2212 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2213 | if (dstX[1] > dstX[2]) { |
| 2214 | dstX[1] = dstX[0] + (dstX[3] - dstX[0]) * c.fLeft / (w - c.width()); |
| 2215 | dstX[2] = dstX[1]; |
| 2216 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 2217 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2218 | if (dstY[1] > dstY[2]) { |
| 2219 | dstY[1] = dstY[0] + (dstY[3] - dstY[0]) * c.fTop / (h - c.height()); |
| 2220 | dstY[2] = dstY[1]; |
| 2221 | } |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 2222 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2223 | for (int y = 0; y < 3; y++) { |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 2224 | SkRect s, d; |
| 2225 | |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2226 | s.fTop = srcY[y]; |
| 2227 | s.fBottom = srcY[y+1]; |
| 2228 | d.fTop = dstY[y]; |
| 2229 | d.fBottom = dstY[y+1]; |
| 2230 | for (int x = 0; x < 3; x++) { |
| 2231 | s.fLeft = srcX[x]; |
| 2232 | s.fRight = srcX[x+1]; |
| 2233 | d.fLeft = dstX[x]; |
| 2234 | d.fRight = dstX[x+1]; |
commit-bot@chromium.org | eed779d | 2013-08-16 10:24:37 +0000 | [diff] [blame] | 2235 | this->internalDrawBitmapRect(bitmap, &s, d, paint, |
robertphillips@google.com | 31acc11 | 2013-08-20 12:13:48 +0000 | [diff] [blame] | 2236 | kNone_DrawBitmapRectFlag); |
reed@google.com | 9987ec3 | 2011-09-07 11:57:52 +0000 | [diff] [blame] | 2237 | } |
| 2238 | } |
| 2239 | } |
| 2240 | |
| 2241 | void SkCanvas::drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, |
| 2242 | const SkRect& dst, const SkPaint* paint) { |
| 2243 | SkDEBUGCODE(bitmap.validate();) |
| 2244 | |
| 2245 | // Need a device entry-point, so gpu can use a mesh |
| 2246 | this->internalDrawBitmapNine(bitmap, center, dst, paint); |
| 2247 | } |
| 2248 | |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2249 | class SkDeviceFilteredPaint { |
| 2250 | public: |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 2251 | SkDeviceFilteredPaint(SkBaseDevice* device, const SkPaint& paint) { |
| 2252 | SkBaseDevice::TextFlags flags; |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2253 | if (device->filterTextFlags(paint, &flags)) { |
reed@google.com | a076e9b | 2011-04-06 20:17:29 +0000 | [diff] [blame] | 2254 | SkPaint* newPaint = fLazy.set(paint); |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2255 | newPaint->setFlags(flags.fFlags); |
| 2256 | newPaint->setHinting(flags.fHinting); |
| 2257 | fPaint = newPaint; |
| 2258 | } else { |
| 2259 | fPaint = &paint; |
| 2260 | } |
| 2261 | } |
| 2262 | |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2263 | const SkPaint& paint() const { return *fPaint; } |
| 2264 | |
| 2265 | private: |
mike@reedtribe.org | 2c8fc5a | 2011-04-10 00:35:29 +0000 | [diff] [blame] | 2266 | const SkPaint* fPaint; |
| 2267 | SkLazyPaint fLazy; |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2268 | }; |
| 2269 | |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2270 | void SkCanvas::DrawRect(const SkDraw& draw, const SkPaint& paint, |
| 2271 | const SkRect& r, SkScalar textSize) { |
epoger@google.com | 17b7894 | 2011-08-26 14:40:38 +0000 | [diff] [blame] | 2272 | if (paint.getStyle() == SkPaint::kFill_Style) { |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2273 | draw.fDevice->drawRect(draw, r, paint); |
| 2274 | } else { |
| 2275 | SkPaint p(paint); |
epoger@google.com | 17b7894 | 2011-08-26 14:40:38 +0000 | [diff] [blame] | 2276 | p.setStrokeWidth(SkScalarMul(textSize, paint.getStrokeWidth())); |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2277 | draw.fDevice->drawRect(draw, r, p); |
| 2278 | } |
| 2279 | } |
| 2280 | |
| 2281 | void SkCanvas::DrawTextDecorations(const SkDraw& draw, const SkPaint& paint, |
| 2282 | const char text[], size_t byteLength, |
| 2283 | SkScalar x, SkScalar y) { |
| 2284 | SkASSERT(byteLength == 0 || text != NULL); |
| 2285 | |
| 2286 | // nothing to draw |
| 2287 | if (text == NULL || byteLength == 0 || |
| 2288 | draw.fClip->isEmpty() || |
| 2289 | (paint.getAlpha() == 0 && paint.getXfermode() == NULL)) { |
| 2290 | return; |
| 2291 | } |
| 2292 | |
| 2293 | SkScalar width = 0; |
| 2294 | SkPoint start; |
| 2295 | |
| 2296 | start.set(0, 0); // to avoid warning |
| 2297 | if (paint.getFlags() & (SkPaint::kUnderlineText_Flag | |
| 2298 | SkPaint::kStrikeThruText_Flag)) { |
| 2299 | width = paint.measureText(text, byteLength); |
| 2300 | |
| 2301 | SkScalar offsetX = 0; |
| 2302 | if (paint.getTextAlign() == SkPaint::kCenter_Align) { |
| 2303 | offsetX = SkScalarHalf(width); |
| 2304 | } else if (paint.getTextAlign() == SkPaint::kRight_Align) { |
| 2305 | offsetX = width; |
| 2306 | } |
| 2307 | start.set(x - offsetX, y); |
| 2308 | } |
| 2309 | |
| 2310 | if (0 == width) { |
| 2311 | return; |
| 2312 | } |
| 2313 | |
| 2314 | uint32_t flags = paint.getFlags(); |
| 2315 | |
| 2316 | if (flags & (SkPaint::kUnderlineText_Flag | |
| 2317 | SkPaint::kStrikeThruText_Flag)) { |
| 2318 | SkScalar textSize = paint.getTextSize(); |
| 2319 | SkScalar height = SkScalarMul(textSize, kStdUnderline_Thickness); |
| 2320 | SkRect r; |
| 2321 | |
| 2322 | r.fLeft = start.fX; |
| 2323 | r.fRight = start.fX + width; |
| 2324 | |
| 2325 | if (flags & SkPaint::kUnderlineText_Flag) { |
| 2326 | SkScalar offset = SkScalarMulAdd(textSize, kStdUnderline_Offset, |
| 2327 | start.fY); |
| 2328 | r.fTop = offset; |
| 2329 | r.fBottom = offset + height; |
| 2330 | DrawRect(draw, paint, r, textSize); |
| 2331 | } |
| 2332 | if (flags & SkPaint::kStrikeThruText_Flag) { |
| 2333 | SkScalar offset = SkScalarMulAdd(textSize, kStdStrikeThru_Offset, |
| 2334 | start.fY); |
| 2335 | r.fTop = offset; |
| 2336 | r.fBottom = offset + height; |
| 2337 | DrawRect(draw, paint, r, textSize); |
| 2338 | } |
| 2339 | } |
| 2340 | } |
| 2341 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2342 | void SkCanvas::drawText(const void* text, size_t byteLength, |
| 2343 | SkScalar x, SkScalar y, const SkPaint& paint) { |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 2344 | CHECK_SHADER_NOSETCONTEXT(paint); |
| 2345 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2346 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2347 | |
| 2348 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2349 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2350 | iter.fDevice->drawText(iter, text, byteLength, x, y, dfp.paint()); |
bungeman@google.com | 52c748b | 2011-08-22 21:30:43 +0000 | [diff] [blame] | 2351 | DrawTextDecorations(iter, dfp.paint(), |
| 2352 | static_cast<const char*>(text), byteLength, x, y); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2353 | } |
| 2354 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2355 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2356 | } |
| 2357 | |
| 2358 | void SkCanvas::drawPosText(const void* text, size_t byteLength, |
| 2359 | const SkPoint pos[], const SkPaint& paint) { |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 2360 | CHECK_SHADER_NOSETCONTEXT(paint); |
| 2361 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2362 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2363 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2364 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2365 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2366 | iter.fDevice->drawPosText(iter, text, byteLength, &pos->fX, 0, 2, |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2367 | dfp.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2368 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2369 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2370 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2371 | } |
| 2372 | |
| 2373 | void SkCanvas::drawPosTextH(const void* text, size_t byteLength, |
| 2374 | const SkScalar xpos[], SkScalar constY, |
| 2375 | const SkPaint& paint) { |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 2376 | CHECK_SHADER_NOSETCONTEXT(paint); |
| 2377 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2378 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2379 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2380 | while (iter.next()) { |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2381 | SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2382 | iter.fDevice->drawPosText(iter, text, byteLength, xpos, constY, 1, |
reed@google.com | f67e4cf | 2011-03-15 20:56:58 +0000 | [diff] [blame] | 2383 | dfp.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2384 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2385 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2386 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2387 | } |
| 2388 | |
| 2389 | void SkCanvas::drawTextOnPath(const void* text, size_t byteLength, |
| 2390 | const SkPath& path, const SkMatrix* matrix, |
| 2391 | const SkPaint& paint) { |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 2392 | CHECK_SHADER_NOSETCONTEXT(paint); |
| 2393 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2394 | LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2395 | |
| 2396 | while (iter.next()) { |
| 2397 | iter.fDevice->drawTextOnPath(iter, text, byteLength, path, |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2398 | matrix, looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2399 | } |
| 2400 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2401 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2402 | } |
| 2403 | |
| 2404 | void SkCanvas::drawVertices(VertexMode vmode, int vertexCount, |
| 2405 | const SkPoint verts[], const SkPoint texs[], |
| 2406 | const SkColor colors[], SkXfermode* xmode, |
| 2407 | const uint16_t indices[], int indexCount, |
| 2408 | const SkPaint& paint) { |
reed@google.com | ea03360 | 2012-12-14 13:13:55 +0000 | [diff] [blame] | 2409 | CHECK_SHADER_NOSETCONTEXT(paint); |
| 2410 | |
senorblanco@chromium.org | 78cf119 | 2014-01-28 19:22:35 +0000 | [diff] [blame] | 2411 | LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, NULL) |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2412 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2413 | while (iter.next()) { |
| 2414 | iter.fDevice->drawVertices(iter, vmode, vertexCount, verts, texs, |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2415 | colors, xmode, indices, indexCount, |
| 2416 | looper.paint()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2417 | } |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2418 | |
reed@google.com | 4e2b3d3 | 2011-04-07 14:18:59 +0000 | [diff] [blame] | 2419 | LOOPER_END |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2420 | } |
| 2421 | |
| 2422 | ////////////////////////////////////////////////////////////////////////////// |
| 2423 | // These methods are NOT virtual, and therefore must call back into virtual |
| 2424 | // methods, rather than actually drawing themselves. |
| 2425 | ////////////////////////////////////////////////////////////////////////////// |
| 2426 | |
| 2427 | void SkCanvas::drawARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b, |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2428 | SkXfermode::Mode mode) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2429 | SkPaint paint; |
| 2430 | |
| 2431 | paint.setARGB(a, r, g, b); |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2432 | if (SkXfermode::kSrcOver_Mode != mode) { |
reed@android.com | 0baf193 | 2009-06-24 12:41:42 +0000 | [diff] [blame] | 2433 | paint.setXfermodeMode(mode); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2434 | } |
| 2435 | this->drawPaint(paint); |
| 2436 | } |
| 2437 | |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2438 | void SkCanvas::drawColor(SkColor c, SkXfermode::Mode mode) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2439 | SkPaint paint; |
| 2440 | |
| 2441 | paint.setColor(c); |
reed@android.com | 845fdac | 2009-06-23 03:01:32 +0000 | [diff] [blame] | 2442 | if (SkXfermode::kSrcOver_Mode != mode) { |
reed@android.com | 0baf193 | 2009-06-24 12:41:42 +0000 | [diff] [blame] | 2443 | paint.setXfermodeMode(mode); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2444 | } |
| 2445 | this->drawPaint(paint); |
| 2446 | } |
| 2447 | |
| 2448 | void SkCanvas::drawPoint(SkScalar x, SkScalar y, const SkPaint& paint) { |
| 2449 | SkPoint pt; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2450 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2451 | pt.set(x, y); |
| 2452 | this->drawPoints(kPoints_PointMode, 1, &pt, paint); |
| 2453 | } |
| 2454 | |
| 2455 | void SkCanvas::drawPoint(SkScalar x, SkScalar y, SkColor color) { |
| 2456 | SkPoint pt; |
| 2457 | SkPaint paint; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2458 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2459 | pt.set(x, y); |
| 2460 | paint.setColor(color); |
| 2461 | this->drawPoints(kPoints_PointMode, 1, &pt, paint); |
| 2462 | } |
| 2463 | |
| 2464 | void SkCanvas::drawLine(SkScalar x0, SkScalar y0, SkScalar x1, SkScalar y1, |
| 2465 | const SkPaint& paint) { |
| 2466 | SkPoint pts[2]; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2467 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2468 | pts[0].set(x0, y0); |
| 2469 | pts[1].set(x1, y1); |
| 2470 | this->drawPoints(kLines_PointMode, 2, pts, paint); |
| 2471 | } |
| 2472 | |
| 2473 | void SkCanvas::drawRectCoords(SkScalar left, SkScalar top, |
| 2474 | SkScalar right, SkScalar bottom, |
| 2475 | const SkPaint& paint) { |
| 2476 | SkRect r; |
| 2477 | |
| 2478 | r.set(left, top, right, bottom); |
| 2479 | this->drawRect(r, paint); |
| 2480 | } |
| 2481 | |
| 2482 | void SkCanvas::drawCircle(SkScalar cx, SkScalar cy, SkScalar radius, |
| 2483 | const SkPaint& paint) { |
| 2484 | if (radius < 0) { |
| 2485 | radius = 0; |
| 2486 | } |
| 2487 | |
| 2488 | SkRect r; |
| 2489 | r.set(cx - radius, cy - radius, cx + radius, cy + radius); |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2490 | this->drawOval(r, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2491 | } |
| 2492 | |
| 2493 | void SkCanvas::drawRoundRect(const SkRect& r, SkScalar rx, SkScalar ry, |
| 2494 | const SkPaint& paint) { |
| 2495 | if (rx > 0 && ry > 0) { |
| 2496 | if (paint.canComputeFastBounds()) { |
| 2497 | SkRect storage; |
reed@google.com | 3b3e895 | 2012-08-16 20:53:31 +0000 | [diff] [blame] | 2498 | if (this->quickReject(paint.computeFastBounds(r, &storage))) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2499 | return; |
| 2500 | } |
| 2501 | } |
reed@google.com | 4ed0fb7 | 2012-12-12 20:48:18 +0000 | [diff] [blame] | 2502 | SkRRect rrect; |
| 2503 | rrect.setRectXY(r, rx, ry); |
| 2504 | this->drawRRect(rrect, paint); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2505 | } else { |
| 2506 | this->drawRect(r, paint); |
| 2507 | } |
| 2508 | } |
| 2509 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2510 | void SkCanvas::drawArc(const SkRect& oval, SkScalar startAngle, |
| 2511 | SkScalar sweepAngle, bool useCenter, |
| 2512 | const SkPaint& paint) { |
| 2513 | if (SkScalarAbs(sweepAngle) >= SkIntToScalar(360)) { |
| 2514 | this->drawOval(oval, paint); |
| 2515 | } else { |
| 2516 | SkPath path; |
| 2517 | if (useCenter) { |
| 2518 | path.moveTo(oval.centerX(), oval.centerY()); |
| 2519 | } |
| 2520 | path.arcTo(oval, startAngle, sweepAngle, !useCenter); |
| 2521 | if (useCenter) { |
| 2522 | path.close(); |
| 2523 | } |
| 2524 | this->drawPath(path, paint); |
| 2525 | } |
| 2526 | } |
| 2527 | |
| 2528 | void SkCanvas::drawTextOnPathHV(const void* text, size_t byteLength, |
| 2529 | const SkPath& path, SkScalar hOffset, |
| 2530 | SkScalar vOffset, const SkPaint& paint) { |
| 2531 | SkMatrix matrix; |
reed@google.com | 4b22602 | 2011-01-11 18:32:13 +0000 | [diff] [blame] | 2532 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2533 | matrix.setTranslate(hOffset, vOffset); |
| 2534 | this->drawTextOnPath(text, byteLength, path, &matrix, paint); |
| 2535 | } |
| 2536 | |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 2537 | /////////////////////////////////////////////////////////////////////////////// |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2538 | void SkCanvas::EXPERIMENTAL_optimize(SkPicture* picture) { |
| 2539 | SkBaseDevice* device = this->getDevice(); |
| 2540 | if (NULL != device) { |
| 2541 | device->EXPERIMENTAL_optimize(picture); |
| 2542 | } |
| 2543 | } |
reed@android.com | f76bacf | 2009-05-13 14:00:33 +0000 | [diff] [blame] | 2544 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2545 | void SkCanvas::drawPicture(SkPicture& picture) { |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2546 | SkBaseDevice* device = this->getTopDevice(); |
| 2547 | if (NULL != device) { |
| 2548 | // Canvas has to first give the device the opportunity to render |
| 2549 | // the picture itself. |
commit-bot@chromium.org | 8ddc26b | 2014-03-31 17:55:12 +0000 | [diff] [blame] | 2550 | if (device->EXPERIMENTAL_drawPicture(&picture)) { |
commit-bot@chromium.org | 145d1c0 | 2014-03-16 19:46:36 +0000 | [diff] [blame] | 2551 | return; // the device has rendered the entire picture |
| 2552 | } |
| 2553 | } |
| 2554 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2555 | picture.draw(this); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2556 | } |
| 2557 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2558 | /////////////////////////////////////////////////////////////////////////////// |
| 2559 | /////////////////////////////////////////////////////////////////////////////// |
| 2560 | |
| 2561 | SkCanvas::LayerIter::LayerIter(SkCanvas* canvas, bool skipEmptyClips) { |
reed@google.com | d642329 | 2010-12-20 20:53:13 +0000 | [diff] [blame] | 2562 | SK_COMPILE_ASSERT(sizeof(fStorage) >= sizeof(SkDrawIter), fStorage_too_small); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2563 | |
| 2564 | SkASSERT(canvas); |
| 2565 | |
| 2566 | fImpl = new (fStorage) SkDrawIter(canvas, skipEmptyClips); |
| 2567 | fDone = !fImpl->next(); |
| 2568 | } |
| 2569 | |
| 2570 | SkCanvas::LayerIter::~LayerIter() { |
| 2571 | fImpl->~SkDrawIter(); |
| 2572 | } |
| 2573 | |
| 2574 | void SkCanvas::LayerIter::next() { |
| 2575 | fDone = !fImpl->next(); |
| 2576 | } |
| 2577 | |
robertphillips@google.com | 1f2f338 | 2013-08-29 11:54:56 +0000 | [diff] [blame] | 2578 | SkBaseDevice* SkCanvas::LayerIter::device() const { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2579 | return fImpl->getDevice(); |
| 2580 | } |
| 2581 | |
| 2582 | const SkMatrix& SkCanvas::LayerIter::matrix() const { |
| 2583 | return fImpl->getMatrix(); |
| 2584 | } |
| 2585 | |
| 2586 | const SkPaint& SkCanvas::LayerIter::paint() const { |
| 2587 | const SkPaint* paint = fImpl->getPaint(); |
| 2588 | if (NULL == paint) { |
| 2589 | paint = &fDefaultPaint; |
| 2590 | } |
| 2591 | return *paint; |
| 2592 | } |
| 2593 | |
| 2594 | const SkRegion& SkCanvas::LayerIter::clip() const { return fImpl->getClip(); } |
| 2595 | int SkCanvas::LayerIter::x() const { return fImpl->getX(); } |
| 2596 | int SkCanvas::LayerIter::y() const { return fImpl->getY(); } |
justinlin@google.com | 20a550c | 2012-07-27 17:37:12 +0000 | [diff] [blame] | 2597 | |
| 2598 | /////////////////////////////////////////////////////////////////////////////// |
| 2599 | |
| 2600 | SkCanvas::ClipVisitor::~ClipVisitor() { } |
commit-bot@chromium.org | 3107b6a | 2014-02-27 20:32:51 +0000 | [diff] [blame] | 2601 | |
| 2602 | /////////////////////////////////////////////////////////////////////////////// |
| 2603 | |
| 2604 | static bool supported_for_raster_canvas(const SkImageInfo& info) { |
| 2605 | switch (info.alphaType()) { |
| 2606 | case kPremul_SkAlphaType: |
| 2607 | case kOpaque_SkAlphaType: |
| 2608 | break; |
| 2609 | default: |
| 2610 | return false; |
| 2611 | } |
| 2612 | |
| 2613 | switch (info.colorType()) { |
| 2614 | case kAlpha_8_SkColorType: |
| 2615 | case kRGB_565_SkColorType: |
commit-bot@chromium.org | 757ebd2 | 2014-04-10 22:36:34 +0000 | [diff] [blame^] | 2616 | case kPMColor_SkColorType: |
commit-bot@chromium.org | 3107b6a | 2014-02-27 20:32:51 +0000 | [diff] [blame] | 2617 | break; |
| 2618 | default: |
| 2619 | return false; |
| 2620 | } |
| 2621 | |
| 2622 | return true; |
| 2623 | } |
| 2624 | |
| 2625 | SkCanvas* SkCanvas::NewRaster(const SkImageInfo& info) { |
| 2626 | if (!supported_for_raster_canvas(info)) { |
| 2627 | return NULL; |
| 2628 | } |
| 2629 | |
| 2630 | SkBitmap bitmap; |
| 2631 | if (!bitmap.allocPixels(info)) { |
| 2632 | return NULL; |
| 2633 | } |
| 2634 | |
| 2635 | // should this functionality be moved into allocPixels()? |
| 2636 | if (!bitmap.info().isOpaque()) { |
| 2637 | bitmap.eraseColor(0); |
| 2638 | } |
| 2639 | return SkNEW_ARGS(SkCanvas, (bitmap)); |
| 2640 | } |
commit-bot@chromium.org | 42b0893 | 2014-03-17 02:13:07 +0000 | [diff] [blame] | 2641 | |
| 2642 | SkCanvas* SkCanvas::NewRasterDirect(const SkImageInfo& info, void* pixels, size_t rowBytes) { |
| 2643 | if (!supported_for_raster_canvas(info)) { |
| 2644 | return NULL; |
| 2645 | } |
skia.committer@gmail.com | eb849e5 | 2014-03-17 03:02:17 +0000 | [diff] [blame] | 2646 | |
commit-bot@chromium.org | 42b0893 | 2014-03-17 02:13:07 +0000 | [diff] [blame] | 2647 | SkBitmap bitmap; |
| 2648 | if (!bitmap.installPixels(info, pixels, rowBytes)) { |
| 2649 | return NULL; |
| 2650 | } |
skia.committer@gmail.com | eb849e5 | 2014-03-17 03:02:17 +0000 | [diff] [blame] | 2651 | |
commit-bot@chromium.org | 42b0893 | 2014-03-17 02:13:07 +0000 | [diff] [blame] | 2652 | // should this functionality be moved into allocPixels()? |
| 2653 | if (!bitmap.info().isOpaque()) { |
| 2654 | bitmap.eraseColor(0); |
| 2655 | } |
| 2656 | return SkNEW_ARGS(SkCanvas, (bitmap)); |
| 2657 | } |