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android / platform / external / chromium_org / third_party / skia / src / 338284fad5ff161d407434493f7b57e7e5a1a86f / . / core / SkPicture.cpp
blob: b2c19e8e9cdc4d61767a642d93585faff2364936 [file] [log] [blame]
epoger@google.com685cfc02011-07-28 14:26:00 +0000[diff] [blame]1
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]2/*
epoger@google.com685cfc02011-07-28 14:26:00 +0000[diff] [blame]3 * Copyright 2007 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
scroggo@google.com8b854502013-05-07 14:45:40 +0000[diff] [blame]9
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]10#include "SkPictureFlat.h"
11#include "SkPicturePlayback.h"
12#include "SkPictureRecord.h"
13
robertphillips@google.com2fd23902013-08-29 11:54:56 +0000[diff] [blame]14#include "SkBitmapDevice.h"
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]15#include "SkCanvas.h"
16#include "SkChunkAlloc.h"
17#include "SkPicture.h"
18#include "SkRegion.h"
19#include "SkStream.h"
20#include "SkTDArray.h"
21#include "SkTSearch.h"
22#include "SkTime.h"
23
24#include "SkReader32.h"
25#include "SkWriter32.h"
rileya@google.com7fb3d2f2012-09-13 21:41:51 +0000[diff] [blame]26#include "SkRTree.h"
27#include "SkBBoxHierarchyRecord.h"
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]28
29#define DUMP_BUFFER_SIZE 65536
30
31//#define ENABLE_TIME_DRAW // dumps milliseconds for each draw
32
33
34#ifdef SK_DEBUG
reed@google.com91911482011-02-07 15:30:46 +0000[diff] [blame]35// enable SK_DEBUG_TRACE to trace DrawType elements when
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]36// recorded and played back
37// #define SK_DEBUG_TRACE
38// enable SK_DEBUG_SIZE to see the size of picture components
39// #define SK_DEBUG_SIZE
40// enable SK_DEBUG_DUMP to see the contents of recorded elements
41// #define SK_DEBUG_DUMP
42// enable SK_DEBUG_VALIDATE to check internal structures for consistency
43// #define SK_DEBUG_VALIDATE
44#endif
45
46#if defined SK_DEBUG_TRACE || defined SK_DEBUG_DUMP
47const char* DrawTypeToString(DrawType drawType) {
48 switch (drawType) {
49 case UNUSED: SkDebugf("DrawType UNUSED\n"); SkASSERT(0); break;
50 case CLIP_PATH: return "CLIP_PATH";
51 case CLIP_REGION: return "CLIP_REGION";
52 case CLIP_RECT: return "CLIP_RECT";
robertphillips@google.come7189be2013-02-15 17:19:15 +0000[diff] [blame]53 case CLIP_RRECT: return "CLIP_RRECT";
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]54 case CONCAT: return "CONCAT";
55 case DRAW_BITMAP: return "DRAW_BITMAP";
56 case DRAW_BITMAP_MATRIX: return "DRAW_BITMAP_MATRIX";
robertphillips@google.come7189be2013-02-15 17:19:15 +0000[diff] [blame]57 case DRAW_BITMAP_NINE: return "DRAW_BITMAP_NINE";
58 case DRAW_BITMAP_RECT_TO_RECT: return "DRAW_BITMAP_RECT_TO_RECT";
59 case DRAW_CLEAR: return "DRAW_CLEAR";
60 case DRAW_DATA: return "DRAW_DATA";
61 case DRAW_OVAL: return "DRAW_OVAL";
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]62 case DRAW_PAINT: return "DRAW_PAINT";
63 case DRAW_PATH: return "DRAW_PATH";
64 case DRAW_PICTURE: return "DRAW_PICTURE";
65 case DRAW_POINTS: return "DRAW_POINTS";
66 case DRAW_POS_TEXT: return "DRAW_POS_TEXT";
robertphillips@google.come7189be2013-02-15 17:19:15 +0000[diff] [blame]67 case DRAW_POS_TEXT_TOP_BOTTOM: return "DRAW_POS_TEXT_TOP_BOTTOM";
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]68 case DRAW_POS_TEXT_H: return "DRAW_POS_TEXT_H";
robertphillips@google.come7189be2013-02-15 17:19:15 +0000[diff] [blame]69 case DRAW_POS_TEXT_H_TOP_BOTTOM: return "DRAW_POS_TEXT_H_TOP_BOTTOM";
70 case DRAW_RECT: return "DRAW_RECT";
71 case DRAW_RRECT: return "DRAW_RRECT";
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]72 case DRAW_SPRITE: return "DRAW_SPRITE";
73 case DRAW_TEXT: return "DRAW_TEXT";
74 case DRAW_TEXT_ON_PATH: return "DRAW_TEXT_ON_PATH";
robertphillips@google.come7189be2013-02-15 17:19:15 +0000[diff] [blame]75 case DRAW_TEXT_TOP_BOTTOM: return "DRAW_TEXT_TOP_BOTTOM";
76 case DRAW_VERTICES: return "DRAW_VERTICES";
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]77 case RESTORE: return "RESTORE";
78 case ROTATE: return "ROTATE";
79 case SAVE: return "SAVE";
80 case SAVE_LAYER: return "SAVE_LAYER";
81 case SCALE: return "SCALE";
robertphillips@google.come7189be2013-02-15 17:19:15 +0000[diff] [blame]82 case SET_MATRIX: return "SET_MATRIX";
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]83 case SKEW: return "SKEW";
84 case TRANSLATE: return "TRANSLATE";
robertphillips@google.come7189be2013-02-15 17:19:15 +0000[diff] [blame]85 case NOOP: return "NOOP";
reed@google.com91911482011-02-07 15:30:46 +0000[diff] [blame]86 default:
87 SkDebugf("DrawType error 0x%08x\n", drawType);
88 SkASSERT(0);
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]89 break;
90 }
reed@google.com91911482011-02-07 15:30:46 +0000[diff] [blame]91 SkASSERT(0);
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]92 return NULL;
93}
94#endif
95
96#ifdef SK_DEBUG_VALIDATE
97static void validateMatrix(const SkMatrix* matrix) {
98 SkScalar scaleX = matrix->getScaleX();
99 SkScalar scaleY = matrix->getScaleY();
100 SkScalar skewX = matrix->getSkewX();
101 SkScalar skewY = matrix->getSkewY();
102 SkScalar perspX = matrix->getPerspX();
103 SkScalar perspY = matrix->getPerspY();
104 if (scaleX != 0 && skewX != 0)
105 SkDebugf("scaleX != 0 && skewX != 0\n");
106 SkASSERT(scaleX == 0 || skewX == 0);
107 SkASSERT(scaleY == 0 || skewY == 0);
108 SkASSERT(perspX == 0);
109 SkASSERT(perspY == 0);
110}
111#endif
112
113
114///////////////////////////////////////////////////////////////////////////////
115
116SkPicture::SkPicture() {
117 fRecord = NULL;
118 fPlayback = NULL;
119 fWidth = fHeight = 0;
120}
121
commit-bot@chromium.orgd069f9a2013-07-23 11:13:56 +0000[diff] [blame]122SkPicture::SkPicture(const SkPicture& src) : INHERITED() {
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]123 fWidth = src.fWidth;
124 fHeight = src.fHeight;
125 fRecord = NULL;
126
127 /* We want to copy the src's playback. However, if that hasn't been built
128 yet, we need to fake a call to endRecording() without actually calling
129 it (since it is destructive, and we don't want to change src).
130 */
131 if (src.fPlayback) {
132 fPlayback = SkNEW_ARGS(SkPicturePlayback, (*src.fPlayback));
133 } else if (src.fRecord) {
134 // here we do a fake src.endRecording()
135 fPlayback = SkNEW_ARGS(SkPicturePlayback, (*src.fRecord));
136 } else {
137 fPlayback = NULL;
138 }
139}
140
141SkPicture::~SkPicture() {
reed@google.com91911482011-02-07 15:30:46 +0000[diff] [blame]142 SkSafeUnref(fRecord);
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]143 SkDELETE(fPlayback);
144}
145
146void SkPicture::swap(SkPicture& other) {
147 SkTSwap(fRecord, other.fRecord);
148 SkTSwap(fPlayback, other.fPlayback);
149 SkTSwap(fWidth, other.fWidth);
150 SkTSwap(fHeight, other.fHeight);
151}
152
djsollen@google.com3855f872012-08-29 18:52:07 +0000[diff] [blame]153SkPicture* SkPicture::clone() const {
154 SkPicture* clonedPicture = SkNEW(SkPicture);
155 clone(clonedPicture, 1);
156 return clonedPicture;
157}
158
159void SkPicture::clone(SkPicture* pictures, int count) const {
160 SkPictCopyInfo copyInfo;
161
162 for (int i = 0; i < count; i++) {
163 SkPicture* clone = &pictures[i];
164
165 clone->fWidth = fWidth;
166 clone->fHeight = fHeight;
commit-bot@chromium.orgefea6992014-02-14 17:27:10 +0000[diff] [blame]167 SkSafeSetNull(clone->fRecord);
scroggo@google.coma0dd4332012-11-02 20:51:19 +0000[diff] [blame]168 SkDELETE(clone->fPlayback);
169
djsollen@google.com3855f872012-08-29 18:52:07 +0000[diff] [blame]170 /* We want to copy the src's playback. However, if that hasn't been built
171 yet, we need to fake a call to endRecording() without actually calling
172 it (since it is destructive, and we don't want to change src).
173 */
174 if (fPlayback) {
175 clone->fPlayback = SkNEW_ARGS(SkPicturePlayback, (*fPlayback, &copyInfo));
176 } else if (fRecord) {
177 // here we do a fake src.endRecording()
178 clone->fPlayback = SkNEW_ARGS(SkPicturePlayback, (*fRecord, true));
179 } else {
180 clone->fPlayback = NULL;
181 }
182 }
183}
184
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]185///////////////////////////////////////////////////////////////////////////////
186
reed@android.comc4a55d72009-02-13 14:56:09 +0000[diff] [blame]187SkCanvas* SkPicture::beginRecording(int width, int height,
188 uint32_t recordingFlags) {
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]189 if (fPlayback) {
190 SkDELETE(fPlayback);
191 fPlayback = NULL;
192 }
193
commit-bot@chromium.orgefea6992014-02-14 17:27:10 +0000[diff] [blame]194 SkSafeSetNull(fRecord);
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]195
junov@chromium.orgbb78c442012-11-01 17:10:32 +0000[diff] [blame]196 // Must be set before calling createBBoxHierarchy
197 fWidth = width;
198 fHeight = height;
199
commit-bot@chromium.orgca101d62014-02-17 15:28:00 +0000[diff] [blame]200 const SkISize size = SkISize::Make(width, height);
201
rileya@google.com7fb3d2f2012-09-13 21:41:51 +0000[diff] [blame]202 if (recordingFlags & kOptimizeForClippedPlayback_RecordingFlag) {
junov@chromium.orgbb78c442012-11-01 17:10:32 +0000[diff] [blame]203 SkBBoxHierarchy* tree = this->createBBoxHierarchy();
rileya@google.com7fb3d2f2012-09-13 21:41:51 +0000[diff] [blame]204 SkASSERT(NULL != tree);
commit-bot@chromium.orgca101d62014-02-17 15:28:00 +0000[diff] [blame]205 fRecord = SkNEW_ARGS(SkBBoxHierarchyRecord, (size, recordingFlags, tree));
rileya@google.com7fb3d2f2012-09-13 21:41:51 +0000[diff] [blame]206 tree->unref();
207 } else {
commit-bot@chromium.orgca101d62014-02-17 15:28:00 +0000[diff] [blame]208 fRecord = SkNEW_ARGS(SkPictureRecord, (size, recordingFlags));
rileya@google.com7fb3d2f2012-09-13 21:41:51 +0000[diff] [blame]209 }
reed@google.com118a6d02012-09-27 20:31:31 +0000[diff] [blame]210 fRecord->beginRecording();
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]211
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]212 return fRecord;
213}
214
junov@chromium.orgbb78c442012-11-01 17:10:32 +0000[diff] [blame]215SkBBoxHierarchy* SkPicture::createBBoxHierarchy() const {
skia.committer@gmail.com8d230dd2012-11-02 02:01:24 +0000[diff] [blame]216 // These values were empirically determined to produce reasonable
junov@chromium.orgbb78c442012-11-01 17:10:32 +0000[diff] [blame]217 // performance in most cases.
218 static const int kRTreeMinChildren = 6;
219 static const int kRTreeMaxChildren = 11;
220
221 SkScalar aspectRatio = SkScalarDiv(SkIntToScalar(fWidth),
222 SkIntToScalar(fHeight));
sglez@google.com9baab6f2013-08-30 17:27:47 +0000[diff] [blame]223 bool sortDraws = false; // Do not sort draw calls when bulk loading.
224
junov@chromium.orgbb78c442012-11-01 17:10:32 +0000[diff] [blame]225 return SkRTree::Create(kRTreeMinChildren, kRTreeMaxChildren,
sglez@google.com9baab6f2013-08-30 17:27:47 +0000[diff] [blame]226 aspectRatio, sortDraws);
junov@chromium.orgbb78c442012-11-01 17:10:32 +0000[diff] [blame]227}
228
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]229SkCanvas* SkPicture::getRecordingCanvas() const {
230 // will be null if we are not recording
231 return fRecord;
232}
233
234void SkPicture::endRecording() {
235 if (NULL == fPlayback) {
236 if (NULL != fRecord) {
junov@chromium.org9aa18db2012-07-12 17:47:34 +0000[diff] [blame]237 fRecord->endRecording();
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]238 fPlayback = SkNEW_ARGS(SkPicturePlayback, (*fRecord));
commit-bot@chromium.orgefea6992014-02-14 17:27:10 +0000[diff] [blame]239 SkSafeSetNull(fRecord);
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]240 }
241 }
242 SkASSERT(NULL == fRecord);
243}
244
reed@google.com2b3a5082013-05-20 17:02:41 +0000[diff] [blame]245void SkPicture::draw(SkCanvas* surface, SkDrawPictureCallback* callback) {
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]246 this->endRecording();
247 if (fPlayback) {
reed@google.com2b3a5082013-05-20 17:02:41 +0000[diff] [blame]248 fPlayback->draw(*surface, callback);
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]249 }
250}
251
252///////////////////////////////////////////////////////////////////////////////
253
254#include "SkStream.h"
255
rmistry@google.com8793ad72013-12-02 13:50:38 +0000[diff] [blame]256static const char kMagic[] = { 's', 'k', 'i', 'a', 'p', 'i', 'c', 't' };
commit-bot@chromium.org7183ff62014-02-07 12:20:04 +0000[diff] [blame]257static const size_t kHeaderSize = sizeof(kMagic) + sizeof(SkPictInfo);
rmistry@google.com8793ad72013-12-02 13:50:38 +0000[diff] [blame]258
scroggo@google.com3b990302013-06-28 21:32:00 +0000[diff] [blame]259bool SkPicture::StreamIsSKP(SkStream* stream, SkPictInfo* pInfo) {
260 if (NULL == stream) {
261 return false;
borenet@google.com30dda202012-09-17 18:26:06 +0000[diff] [blame]262 }
reed@google.com4bca7f62012-06-22 15:38:39 +0000[diff] [blame]263
rmistry@google.com8793ad72013-12-02 13:50:38 +0000[diff] [blame]264 // Check magic bytes.
265 char magic[sizeof(kMagic)];
commit-bot@chromium.org7183ff62014-02-07 12:20:04 +0000[diff] [blame]266 if (!stream->read(magic, sizeof(kMagic)) ||
267 (0 != memcmp(magic, kMagic, sizeof(kMagic)))) {
rmistry@google.com8793ad72013-12-02 13:50:38 +0000[diff] [blame]268 return false;
269 }
270
reed@google.com4bca7f62012-06-22 15:38:39 +0000[diff] [blame]271 SkPictInfo info;
scroggo@google.com3b990302013-06-28 21:32:00 +0000[diff] [blame]272 if (!stream->read(&info, sizeof(SkPictInfo))) {
273 return false;
reed@google.com4bca7f62012-06-22 15:38:39 +0000[diff] [blame]274 }
robertphillips@google.com264d90f2013-12-03 19:46:58 +0000[diff] [blame]275
commit-bot@chromium.org338284f2014-02-25 02:16:10 +0000[diff] [blame^]276 if (info.fVersion < MIN_PICTURE_VERSION || info.fVersion > CURRENT_PICTURE_VERSION) {
scroggo@google.com3b990302013-06-28 21:32:00 +0000[diff] [blame]277 return false;
reed@google.com4bca7f62012-06-22 15:38:39 +0000[diff] [blame]278 }
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]279
scroggo@google.com3b990302013-06-28 21:32:00 +0000[diff] [blame]280 if (pInfo != NULL) {
281 *pInfo = info;
282 }
283 return true;
284}
285
commit-bot@chromium.org7183ff62014-02-07 12:20:04 +0000[diff] [blame]286bool SkPicture::BufferIsSKP(SkReadBuffer& buffer, SkPictInfo* pInfo) {
287 // Check magic bytes.
288 char magic[sizeof(kMagic)];
289
290 if (!buffer.readByteArray(magic, sizeof(kMagic)) ||
291 (0 != memcmp(magic, kMagic, sizeof(kMagic)))) {
292 return false;
293 }
294
295 SkPictInfo info;
296 if (!buffer.readByteArray(&info, sizeof(SkPictInfo))) {
297 return false;
298 }
299
commit-bot@chromium.org338284f2014-02-25 02:16:10 +0000[diff] [blame^]300 if (info.fVersion < MIN_PICTURE_VERSION || info.fVersion > CURRENT_PICTURE_VERSION) {
commit-bot@chromium.org7183ff62014-02-07 12:20:04 +0000[diff] [blame]301 return false;
302 }
303
304 if (pInfo != NULL) {
305 *pInfo = info;
306 }
307 return true;
308}
309
scroggo@google.com3b990302013-06-28 21:32:00 +0000[diff] [blame]310SkPicture::SkPicture(SkPicturePlayback* playback, int width, int height)
311 : fPlayback(playback)
312 , fRecord(NULL)
313 , fWidth(width)
314 , fHeight(height) {}
315
316SkPicture* SkPicture::CreateFromStream(SkStream* stream, InstallPixelRefProc proc) {
317 SkPictInfo info;
318
319 if (!StreamIsSKP(stream, &info)) {
320 return NULL;
321 }
322
323 SkPicturePlayback* playback;
324 // Check to see if there is a playback to recreate.
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]325 if (stream->readBool()) {
scroggo@google.com3b7431c2013-10-01 15:30:46 +0000[diff] [blame]326 playback = SkPicturePlayback::CreateFromStream(stream, info, proc);
327 if (NULL == playback) {
328 return NULL;
329 }
scroggo@google.com3b990302013-06-28 21:32:00 +0000[diff] [blame]330 } else {
331 playback = NULL;
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]332 }
reed@google.com4bca7f62012-06-22 15:38:39 +0000[diff] [blame]333
scroggo@google.com3b990302013-06-28 21:32:00 +0000[diff] [blame]334 return SkNEW_ARGS(SkPicture, (playback, info.fWidth, info.fHeight));
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]335}
336
commit-bot@chromium.org7183ff62014-02-07 12:20:04 +0000[diff] [blame]337SkPicture* SkPicture::CreateFromBuffer(SkReadBuffer& buffer) {
338 SkPictInfo info;
339
340 if (!BufferIsSKP(buffer, &info)) {
341 return NULL;
342 }
343
344 SkPicturePlayback* playback;
345 // Check to see if there is a playback to recreate.
346 if (buffer.readBool()) {
347 playback = SkPicturePlayback::CreateFromBuffer(buffer);
348 if (NULL == playback) {
349 return NULL;
350 }
351 } else {
352 playback = NULL;
353 }
354
355 return SkNEW_ARGS(SkPicture, (playback, info.fWidth, info.fHeight));
356}
357
358void SkPicture::createHeader(void* header) const {
359 // Copy magic bytes at the beginning of the header
360 SkASSERT(sizeof(kMagic) == 8);
361 memcpy(header, kMagic, sizeof(kMagic));
362
363 // Set piture info after magic bytes in the header
364 SkPictInfo* info = (SkPictInfo*)(((char*)header) + sizeof(kMagic));
commit-bot@chromium.org338284f2014-02-25 02:16:10 +0000[diff] [blame^]365 info->fVersion = CURRENT_PICTURE_VERSION;
commit-bot@chromium.org7183ff62014-02-07 12:20:04 +0000[diff] [blame]366 info->fWidth = fWidth;
367 info->fHeight = fHeight;
368 info->fFlags = SkPictInfo::kCrossProcess_Flag;
369 // TODO: remove this flag, since we're always float (now)
370 info->fFlags |= SkPictInfo::kScalarIsFloat_Flag;
371
372 if (8 == sizeof(void*)) {
373 info->fFlags |= SkPictInfo::kPtrIs64Bit_Flag;
374 }
375}
376
scroggo@google.com2e727312013-02-22 22:04:19 +0000[diff] [blame]377void SkPicture::serialize(SkWStream* stream, EncodeBitmap encoder) const {
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]378 SkPicturePlayback* playback = fPlayback;
reed@google.com91911482011-02-07 15:30:46 +0000[diff] [blame]379
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]380 if (NULL == playback && fRecord) {
381 playback = SkNEW_ARGS(SkPicturePlayback, (*fRecord));
382 }
383
commit-bot@chromium.org7183ff62014-02-07 12:20:04 +0000[diff] [blame]384 char header[kHeaderSize];
385 createHeader(&header);
386 stream->write(header, kHeaderSize);
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]387 if (playback) {
388 stream->writeBool(true);
scroggo@google.com6ff73172012-10-04 21:46:08 +0000[diff] [blame]389 playback->serialize(stream, encoder);
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]390 // delete playback if it is a local version (i.e. cons'd up just now)
391 if (playback != fPlayback) {
392 SkDELETE(playback);
393 }
394 } else {
395 stream->writeBool(false);
396 }
397}
398
commit-bot@chromium.org7183ff62014-02-07 12:20:04 +0000[diff] [blame]399void SkPicture::flatten(SkWriteBuffer& buffer) const {
400 SkPicturePlayback* playback = fPlayback;
401
402 if (NULL == playback && fRecord) {
403 playback = SkNEW_ARGS(SkPicturePlayback, (*fRecord));
404 }
405
406 char header[kHeaderSize];
407 createHeader(&header);
408 buffer.writeByteArray(header, kHeaderSize);
409 if (playback) {
410 buffer.writeBool(true);
411 playback->flatten(buffer);
412 // delete playback if it is a local version (i.e. cons'd up just now)
413 if (playback != fPlayback) {
414 SkDELETE(playback);
415 }
416 } else {
417 buffer.writeBool(false);
418 }
419}
420
tomhudson@google.comc7941702013-10-24 11:12:47 +0000[diff] [blame]421bool SkPicture::willPlayBackBitmaps() const {
422 if (!fPlayback) return false;
423 return fPlayback->containsBitmaps();
424}
425
djsollen@google.com6789a342013-02-01 16:18:09 +0000[diff] [blame]426#ifdef SK_BUILD_FOR_ANDROID
reed@android.combcd4d5a2008-12-17 15:59:43 +0000[diff] [blame]427void SkPicture::abortPlayback() {
428 if (NULL == fPlayback) {
429 return;
430 }
431 fPlayback->abort();
432}
djsollen@google.com6789a342013-02-01 16:18:09 +0000[diff] [blame]433#endif