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1 #include "SkPicturePlayback.h"
2 #include "SkPictureRecord.h"
3 #include "SkTypeface.h"
4 #include <new>
5 
6 /*  Define this to spew out a debug statement whenever we skip the remainder of
7     a save/restore block because a clip... command returned false (empty).
8  */
9 #define SPEW_CLIP_SKIPPINGx
10 
SkPicturePlayback()11 SkPicturePlayback::SkPicturePlayback() {
12     this->init();
13 }
14 
SkPicturePlayback(const SkPictureRecord & record)15 SkPicturePlayback::SkPicturePlayback(const SkPictureRecord& record) {
16 #ifdef SK_DEBUG_SIZE
17     size_t overallBytes, bitmapBytes, matricesBytes,
18     paintBytes, pathBytes, pictureBytes, regionBytes;
19     int bitmaps = record.bitmaps(&bitmapBytes);
20     int matrices = record.matrices(&matricesBytes);
21     int paints = record.paints(&paintBytes);
22     int paths = record.paths(&pathBytes);
23     int pictures = record.pictures(&pictureBytes);
24     int regions = record.regions(&regionBytes);
25     SkDebugf("picture record mem used %zd (stream %zd) ", record.size(),
26              record.streamlen());
27     if (bitmaps != 0)
28         SkDebugf("bitmaps size %zd (bitmaps:%d) ", bitmapBytes, bitmaps);
29     if (matrices != 0)
30         SkDebugf("matrices size %zd (matrices:%d) ", matricesBytes, matrices);
31     if (paints != 0)
32         SkDebugf("paints size %zd (paints:%d) ", paintBytes, paints);
33     if (paths != 0)
34         SkDebugf("paths size %zd (paths:%d) ", pathBytes, paths);
35     if (pictures != 0)
36         SkDebugf("pictures size %zd (pictures:%d) ", pictureBytes, pictures);
37     if (regions != 0)
38         SkDebugf("regions size %zd (regions:%d) ", regionBytes, regions);
39     if (record.fPointWrites != 0)
40         SkDebugf("points size %zd (points:%d) ", record.fPointBytes, record.fPointWrites);
41     if (record.fRectWrites != 0)
42         SkDebugf("rects size %zd (rects:%d) ", record.fRectBytes, record.fRectWrites);
43     if (record.fTextWrites != 0)
44         SkDebugf("text size %zd (text strings:%d) ", record.fTextBytes, record.fTextWrites);
45 
46     SkDebugf("\n");
47 #endif
48 #ifdef SK_DEBUG_DUMP
49     record.dumpMatrices();
50     record.dumpPaints();
51 #endif
52 
53     record.validate();
54     const SkWriter32& writer = record.writeStream();
55     init();
56     if (writer.size() == 0)
57         return;
58 
59     {
60         size_t size = writer.size();
61         void* buffer = sk_malloc_throw(size);
62         writer.flatten(buffer);
63         fReader.setMemory(buffer, size);    // fReader owns buffer now
64     }
65 
66     // copy over the refcnt dictionary to our reader
67     //
68     fRCPlayback.reset(&record.fRCRecorder);
69     fRCPlayback.setupBuffer(fReader);
70 
71     fTFPlayback.reset(&record.fTFRecorder);
72     fTFPlayback.setupBuffer(fReader);
73 
74     const SkTDArray<const SkFlatBitmap* >& bitmaps = record.getBitmaps();
75     fBitmapCount = bitmaps.count();
76     if (fBitmapCount > 0) {
77         fBitmaps = SkNEW_ARRAY(SkBitmap, fBitmapCount);
78         for (const SkFlatBitmap** flatBitmapPtr = bitmaps.begin();
79              flatBitmapPtr != bitmaps.end(); flatBitmapPtr++) {
80             const SkFlatBitmap* flatBitmap = *flatBitmapPtr;
81             int index = flatBitmap->index() - 1;
82             flatBitmap->unflatten(&fBitmaps[index], &fRCPlayback);
83         }
84     }
85 
86     const SkTDArray<const SkFlatMatrix* >& matrices = record.getMatrices();
87     fMatrixCount = matrices.count();
88     if (fMatrixCount > 0) {
89         fMatrices = SkNEW_ARRAY(SkMatrix, fMatrixCount);
90         for (const SkFlatMatrix** matrixPtr = matrices.begin();
91              matrixPtr != matrices.end(); matrixPtr++) {
92             const SkFlatMatrix* flatMatrix = *matrixPtr;
93             flatMatrix->unflatten(&fMatrices[flatMatrix->index() - 1]);
94         }
95     }
96 
97     const SkTDArray<const SkFlatPaint* >& paints = record.getPaints();
98     fPaintCount = paints.count();
99     if (fPaintCount > 0) {
100         fPaints = SkNEW_ARRAY(SkPaint, fPaintCount);
101         for (const SkFlatPaint** flatPaintPtr = paints.begin();
102              flatPaintPtr != paints.end(); flatPaintPtr++) {
103             const SkFlatPaint* flatPaint = *flatPaintPtr;
104             int index = flatPaint->index() - 1;
105             SkASSERT((unsigned)index < (unsigned)fPaintCount);
106             flatPaint->unflatten(&fPaints[index], &fRCPlayback, &fTFPlayback);
107         }
108     }
109 
110     fPathHeap = record.fPathHeap;
111     fPathHeap->safeRef();
112 
113     const SkTDArray<SkPicture* >& pictures = record.getPictureRefs();
114     fPictureCount = pictures.count();
115     if (fPictureCount > 0) {
116         fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount);
117         for (int i = 0; i < fPictureCount; i++) {
118             fPictureRefs[i] = pictures[i];
119             fPictureRefs[i]->ref();
120         }
121     }
122 
123     const SkTDArray<SkShape* >& shapes = record.getShapes();
124     fShapeCount = shapes.count();
125     if (fShapeCount > 0) {
126         fShapes = SkNEW_ARRAY(SkShape*, fShapeCount);
127         for (int i = 0; i < fShapeCount; i++) {
128             SkShape* s = shapes[i];
129             SkSafeRef(s);
130             fShapes[i] = s;
131         }
132     }
133 
134     const SkTDArray<const SkFlatRegion* >& regions = record.getRegions();
135     fRegionCount = regions.count();
136     if (fRegionCount > 0) {
137         fRegions = SkNEW_ARRAY(SkRegion, fRegionCount);
138         for (const SkFlatRegion** flatRegionPtr = regions.begin();
139              flatRegionPtr != regions.end(); flatRegionPtr++) {
140             const SkFlatRegion* flatRegion = *flatRegionPtr;
141             flatRegion->unflatten(&fRegions[flatRegion->index() - 1]);
142         }
143     }
144 
145 #ifdef SK_DEBUG_SIZE
146     int overall = fPlayback->size(&overallBytes);
147     bitmaps = fPlayback->bitmaps(&bitmapBytes);
148     paints = fPlayback->paints(&paintBytes);
149     paths = fPlayback->paths(&pathBytes);
150     pictures = fPlayback->pictures(&pictureBytes);
151     regions = fPlayback->regions(&regionBytes);
152     SkDebugf("playback size %zd (objects:%d) ", overallBytes, overall);
153     if (bitmaps != 0)
154         SkDebugf("bitmaps size %zd (bitmaps:%d) ", bitmapBytes, bitmaps);
155     if (paints != 0)
156         SkDebugf("paints size %zd (paints:%d) ", paintBytes, paints);
157     if (paths != 0)
158         SkDebugf("paths size %zd (paths:%d) ", pathBytes, paths);
159     if (pictures != 0)
160         SkDebugf("pictures size %zd (pictures:%d) ", pictureBytes, pictures);
161     if (regions != 0)
162         SkDebugf("regions size %zd (regions:%d) ", regionBytes, regions);
163     SkDebugf("\n");
164 #endif
165 }
166 
SkPicturePlayback(const SkPicturePlayback & src)167 SkPicturePlayback::SkPicturePlayback(const SkPicturePlayback& src) {
168     this->init();
169 
170     // copy the data from fReader
171     {
172         size_t size = src.fReader.size();
173         void* buffer = sk_malloc_throw(size);
174         memcpy(buffer, src.fReader.base(), size);
175         fReader.setMemory(buffer, size);
176     }
177 
178     int i;
179 
180     fBitmapCount = src.fBitmapCount;
181     fBitmaps = SkNEW_ARRAY(SkBitmap, fBitmapCount);
182     for (i = 0; i < fBitmapCount; i++) {
183         fBitmaps[i] = src.fBitmaps[i];
184     }
185 
186     fMatrixCount = src.fMatrixCount;
187     fMatrices = SkNEW_ARRAY(SkMatrix, fMatrixCount);
188     memcpy(fMatrices, src.fMatrices, fMatrixCount * sizeof(SkMatrix));
189 
190     fPaintCount = src.fPaintCount;
191     fPaints = SkNEW_ARRAY(SkPaint, fPaintCount);
192     for (i = 0; i < fPaintCount; i++) {
193         fPaints[i] = src.fPaints[i];
194     }
195 
196     fPathHeap = src.fPathHeap;
197     fPathHeap->safeRef();
198 
199     fPictureCount = src.fPictureCount;
200     fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount);
201     for (int i = 0; i < fPictureCount; i++) {
202         fPictureRefs[i] = src.fPictureRefs[i];
203         fPictureRefs[i]->ref();
204     }
205 
206     fShapeCount = src.fShapeCount;
207     fShapes = SkNEW_ARRAY(SkShape*, fShapeCount);
208     for (int i = 0; i < fShapeCount; i++) {
209         SkShape* s = src.fShapes[i];
210         SkSafeRef(s);
211         fShapes[i] = s;
212     }
213 
214     fRegionCount = src.fRegionCount;
215     fRegions = SkNEW_ARRAY(SkRegion, fRegionCount);
216     for (i = 0; i < fRegionCount; i++) {
217         fRegions[i] = src.fRegions[i];
218     }
219 }
220 
init()221 void SkPicturePlayback::init() {
222     fBitmaps = NULL;
223     fMatrices = NULL;
224     fPaints = NULL;
225     fPathHeap = NULL;
226     fPictureRefs = NULL;
227     fShapes = NULL;
228     fRegions = NULL;
229     fBitmapCount = fMatrixCount = fPaintCount = fPictureCount =
230     fRegionCount = fShapeCount = 0;
231 
232     fFactoryPlayback = NULL;
233 }
234 
~SkPicturePlayback()235 SkPicturePlayback::~SkPicturePlayback() {
236     sk_free((void*) fReader.base());
237 
238     SkDELETE_ARRAY(fBitmaps);
239     SkDELETE_ARRAY(fMatrices);
240     SkDELETE_ARRAY(fPaints);
241     SkDELETE_ARRAY(fRegions);
242 
243     fPathHeap->safeUnref();
244 
245     for (int i = 0; i < fPictureCount; i++) {
246         fPictureRefs[i]->unref();
247     }
248     SkDELETE_ARRAY(fPictureRefs);
249 
250     for (int i = 0; i < fShapeCount; i++) {
251         SkSafeUnref(fShapes[i]);
252     }
253     SkDELETE_ARRAY(fShapes);
254 
255     SkDELETE(fFactoryPlayback);
256 }
257 
dumpSize() const258 void SkPicturePlayback::dumpSize() const {
259     SkDebugf("--- picture size: ops=%d bitmaps=%d [%d] matrices=%d [%d] paints=%d [%d] paths=%d regions=%d\n",
260              fReader.size(),
261              fBitmapCount, fBitmapCount * sizeof(SkBitmap),
262              fMatrixCount, fMatrixCount * sizeof(SkMatrix),
263              fPaintCount, fPaintCount * sizeof(SkPaint),
264              fPathHeap ? fPathHeap->count() : 0,
265              fRegionCount);
266 }
267 
268 ///////////////////////////////////////////////////////////////////////////////
269 ///////////////////////////////////////////////////////////////////////////////
270 
271 // The chunks are writte/read in this order...
272 
273 #define PICT_READER_TAG     SkSetFourByteTag('r', 'e', 'a', 'd')
274 #define PICT_FACTORY_TAG    SkSetFourByteTag('f', 'a', 'c', 't')
275 #define PICT_TYPEFACE_TAG   SkSetFourByteTag('t', 'p', 'f', 'c')
276 #define PICT_PICTURE_TAG    SkSetFourByteTag('p', 'c', 't', 'r')
277 #define PICT_ARRAYS_TAG     SkSetFourByteTag('a', 'r', 'a', 'y')
278 // these are all inside the ARRAYS tag
279 #define PICT_BITMAP_TAG     SkSetFourByteTag('b', 't', 'm', 'p')
280 #define PICT_MATRIX_TAG     SkSetFourByteTag('m', 't', 'r', 'x')
281 #define PICT_PAINT_TAG      SkSetFourByteTag('p', 'n', 't', ' ')
282 #define PICT_PATH_TAG       SkSetFourByteTag('p', 't', 'h', ' ')
283 #define PICT_REGION_TAG     SkSetFourByteTag('r', 'g', 'n', ' ')
284 #define PICT_SHAPE_TAG      SkSetFourByteTag('s', 'h', 'p', ' ')
285 
286 #include "SkStream.h"
287 
writeTagSize(SkFlattenableWriteBuffer & buffer,uint32_t tag,uint32_t size)288 static void writeTagSize(SkFlattenableWriteBuffer& buffer, uint32_t tag,
289                          uint32_t size) {
290     buffer.write32(tag);
291     buffer.write32(size);
292 }
293 
writeTagSize(SkWStream * stream,uint32_t tag,uint32_t size)294 static void writeTagSize(SkWStream* stream, uint32_t tag,
295                          uint32_t size) {
296     stream->write32(tag);
297     stream->write32(size);
298 }
299 
writeFactories(SkWStream * stream,const SkFactoryRecorder & rec)300 static void writeFactories(SkWStream* stream, const SkFactoryRecorder& rec) {
301     int count = rec.count();
302 
303     writeTagSize(stream, PICT_FACTORY_TAG, count);
304 
305     SkAutoSTMalloc<16, SkFlattenable::Factory> storage(count);
306     SkFlattenable::Factory* array = (SkFlattenable::Factory*)storage.get();
307     rec.get(array);
308 
309     for (int i = 0; i < count; i++) {
310         const char* name = SkFlattenable::FactoryToName(array[i]);
311 //        SkDebugf("---- write factories [%d] %p <%s>\n", i, array[i], name);
312         if (NULL == name || 0 == *name) {
313             stream->writePackedUInt(0);
314         } else {
315             uint32_t len = strlen(name);
316             stream->writePackedUInt(len);
317             stream->write(name, len);
318         }
319     }
320 }
321 
writeTypefaces(SkWStream * stream,const SkRefCntRecorder & rec)322 static void writeTypefaces(SkWStream* stream, const SkRefCntRecorder& rec) {
323     int count = rec.count();
324 
325     writeTagSize(stream, PICT_TYPEFACE_TAG, count);
326 
327     SkAutoSTMalloc<16, SkTypeface*> storage(count);
328     SkTypeface** array = (SkTypeface**)storage.get();
329     rec.get((SkRefCnt**)array);
330 
331     for (int i = 0; i < count; i++) {
332         array[i]->serialize(stream);
333     }
334 }
335 
serialize(SkWStream * stream) const336 void SkPicturePlayback::serialize(SkWStream* stream) const {
337     writeTagSize(stream, PICT_READER_TAG, fReader.size());
338     stream->write(fReader.base(), fReader.size());
339 
340     SkRefCntRecorder  typefaceRecorder;
341     SkFactoryRecorder factRecorder;
342 
343     SkFlattenableWriteBuffer buffer(1024);
344 
345     buffer.setFlags(SkFlattenableWriteBuffer::kCrossProcess_Flag);
346     buffer.setTypefaceRecorder(&typefaceRecorder);
347     buffer.setFactoryRecorder(&factRecorder);
348 
349     int i;
350 
351     writeTagSize(buffer, PICT_BITMAP_TAG, fBitmapCount);
352     for (i = 0; i < fBitmapCount; i++) {
353         fBitmaps[i].flatten(buffer);
354     }
355 
356     writeTagSize(buffer, PICT_MATRIX_TAG, fMatrixCount);
357     buffer.writeMul4(fMatrices, fMatrixCount * sizeof(SkMatrix));
358 
359     writeTagSize(buffer, PICT_PAINT_TAG, fPaintCount);
360     for (i = 0; i < fPaintCount; i++) {
361         fPaints[i].flatten(buffer);
362     }
363 
364     {
365         int count = fPathHeap ? fPathHeap->count() : 0;
366         writeTagSize(buffer, PICT_PATH_TAG, count);
367         if (count > 0) {
368             fPathHeap->flatten(buffer);
369         }
370     }
371 
372     writeTagSize(buffer, PICT_REGION_TAG, fRegionCount);
373     for (i = 0; i < fRegionCount; i++) {
374         uint32_t size = fRegions[i].flatten(NULL);
375         buffer.write32(size);
376         SkAutoSMalloc<512> storage(size);
377         fRegions[i].flatten(storage.get());
378         buffer.writePad(storage.get(), size);
379     }
380 
381     writeTagSize(buffer, PICT_SHAPE_TAG, fShapeCount);
382     for (i = 0; i < fShapeCount; i++) {
383         buffer.writeFlattenable(fShapes[i]);
384     }
385 
386     // now we can write to the stream again
387 
388     writeFactories(stream, factRecorder);
389     writeTypefaces(stream, typefaceRecorder);
390 
391     writeTagSize(stream, PICT_PICTURE_TAG, fPictureCount);
392     for (i = 0; i < fPictureCount; i++) {
393         fPictureRefs[i]->serialize(stream);
394     }
395 
396     writeTagSize(stream, PICT_ARRAYS_TAG, buffer.size());
397     buffer.writeToStream(stream);
398 }
399 
400 ///////////////////////////////////////////////////////////////////////////////
401 
readTagSize(SkFlattenableReadBuffer & buffer,uint32_t expectedTag)402 static int readTagSize(SkFlattenableReadBuffer& buffer, uint32_t expectedTag) {
403     uint32_t tag = buffer.readU32();
404     if (tag != expectedTag) {
405         sk_throw();
406     }
407     return buffer.readU32();
408 }
409 
readTagSize(SkStream * stream,uint32_t expectedTag)410 static int readTagSize(SkStream* stream, uint32_t expectedTag) {
411     uint32_t tag = stream->readU32();
412     if (tag != expectedTag) {
413         sk_throw();
414     }
415     return stream->readU32();
416 }
417 
SkPicturePlayback(SkStream * stream)418 SkPicturePlayback::SkPicturePlayback(SkStream* stream) {
419     this->init();
420 
421     int i;
422 
423     {
424         size_t size = readTagSize(stream, PICT_READER_TAG);
425         void* storage = sk_malloc_throw(size);
426         stream->read(storage, size);
427         fReader.setMemory(storage, size);
428     }
429 
430     int factoryCount = readTagSize(stream, PICT_FACTORY_TAG);
431     fFactoryPlayback = SkNEW_ARGS(SkFactoryPlayback, (factoryCount));
432     for (i = 0; i < factoryCount; i++) {
433         SkString str;
434         int len = stream->readPackedUInt();
435         str.resize(len);
436         stream->read(str.writable_str(), len);
437 //        SkDebugf("--- factory playback [%d] <%s>\n", i, str.c_str());
438         fFactoryPlayback->base()[i] = SkFlattenable::NameToFactory(str.c_str());
439     }
440 
441     int typefaceCount = readTagSize(stream, PICT_TYPEFACE_TAG);
442     fTFPlayback.setCount(typefaceCount);
443     for (i = 0; i < typefaceCount; i++) {
444         fTFPlayback.set(i, SkTypeface::Deserialize(stream))->unref();
445     }
446 
447     fPictureCount = readTagSize(stream, PICT_PICTURE_TAG);
448     fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount);
449     for (i = 0; i < fPictureCount; i++) {
450         fPictureRefs[i] = SkNEW_ARGS(SkPicture, (stream));
451     }
452 
453     /*
454         Now read the arrays chunk, and parse using a read buffer
455     */
456     uint32_t size = readTagSize(stream, PICT_ARRAYS_TAG);
457     SkAutoMalloc storage(size);
458     stream->read(storage.get(), size);
459 
460     SkFlattenableReadBuffer buffer(storage.get(), size);
461     fFactoryPlayback->setupBuffer(buffer);
462     fTFPlayback.setupBuffer(buffer);
463 
464     fBitmapCount = readTagSize(buffer, PICT_BITMAP_TAG);
465     fBitmaps = SkNEW_ARRAY(SkBitmap, fBitmapCount);
466     for (i = 0; i < fBitmapCount; i++) {
467         fBitmaps[i].unflatten(buffer);
468     }
469 
470     fMatrixCount = readTagSize(buffer, PICT_MATRIX_TAG);
471     fMatrices = SkNEW_ARRAY(SkMatrix, fMatrixCount);
472     buffer.read(fMatrices, fMatrixCount * sizeof(SkMatrix));
473 
474     fPaintCount = readTagSize(buffer, PICT_PAINT_TAG);
475     fPaints = SkNEW_ARRAY(SkPaint, fPaintCount);
476     for (i = 0; i < fPaintCount; i++) {
477         fPaints[i].unflatten(buffer);
478     }
479 
480     {
481         int count = readTagSize(buffer, PICT_PATH_TAG);
482         if (count > 0) {
483             fPathHeap = SkNEW_ARGS(SkPathHeap, (buffer));
484         }
485     }
486 
487     fRegionCount = readTagSize(buffer, PICT_REGION_TAG);
488     fRegions = SkNEW_ARRAY(SkRegion, fRegionCount);
489     for (i = 0; i < fRegionCount; i++) {
490         uint32_t size = buffer.readU32();
491         SkDEBUGCODE(uint32_t bytes =) fRegions[i].unflatten(buffer.skip(size));
492         SkASSERT(size == bytes);
493     }
494 
495     fShapeCount = readTagSize(buffer, PICT_SHAPE_TAG);
496     fShapes = SkNEW_ARRAY(SkShape*, fShapeCount);
497     for (i = 0; i < fShapeCount; i++) {
498         fShapes[i] = reinterpret_cast<SkShape*>(buffer.readFlattenable());
499     }
500 }
501 
502 ///////////////////////////////////////////////////////////////////////////////
503 ///////////////////////////////////////////////////////////////////////////////
504 
505 #ifdef SPEW_CLIP_SKIPPING
506 struct SkipClipRec {
507     int     fCount;
508     size_t  fSize;
509 
SkipClipRecSkipClipRec510     SkipClipRec() {
511         fCount = 0;
512         fSize = 0;
513     }
514 
recordSkipSkipClipRec515     void recordSkip(size_t bytes) {
516         fCount += 1;
517         fSize += bytes;
518     }
519 };
520 #endif
521 
draw(SkCanvas & canvas)522 void SkPicturePlayback::draw(SkCanvas& canvas) {
523 #ifdef ENABLE_TIME_DRAW
524     SkAutoTime  at("SkPicture::draw", 50);
525 #endif
526 
527 #ifdef SPEW_CLIP_SKIPPING
528     SkipClipRec skipRect, skipRegion, skipPath;
529 #endif
530 
531     TextContainer text;
532     fReader.rewind();
533 
534     while (!fReader.eof()) {
535         switch (fReader.readInt()) {
536             case CLIP_PATH: {
537                 const SkPath& path = getPath();
538                 SkRegion::Op op = (SkRegion::Op) getInt();
539                 size_t offsetToRestore = getInt();
540                 // HACK (false) until I can handle op==kReplace
541                 if (!canvas.clipPath(path, op)) {
542 #ifdef SPEW_CLIP_SKIPPING
543                     skipPath.recordSkip(offsetToRestore - fReader.offset());
544 #endif
545                     fReader.setOffset(offsetToRestore);
546                 }
547             } break;
548             case CLIP_REGION: {
549                 const SkRegion& region = getRegion();
550                 SkRegion::Op op = (SkRegion::Op) getInt();
551                 size_t offsetToRestore = getInt();
552                 if (!canvas.clipRegion(region, op)) {
553 #ifdef SPEW_CLIP_SKIPPING
554                     skipRegion.recordSkip(offsetToRestore - fReader.offset());
555 #endif
556                     fReader.setOffset(offsetToRestore);
557                 }
558             } break;
559             case CLIP_RECT: {
560                 const SkRect* rect = fReader.skipRect();
561                 SkRegion::Op op = (SkRegion::Op) getInt();
562                 size_t offsetToRestore = getInt();
563                 if (!canvas.clipRect(*rect, op)) {
564 #ifdef SPEW_CLIP_SKIPPING
565                     skipRect.recordSkip(offsetToRestore - fReader.offset());
566 #endif
567                     fReader.setOffset(offsetToRestore);
568                 }
569             } break;
570             case CONCAT:
571                 canvas.concat(*getMatrix());
572                 break;
573             case DRAW_BITMAP: {
574                 const SkPaint* paint = getPaint();
575                 const SkBitmap& bitmap = getBitmap();
576                 const SkPoint* loc = fReader.skipPoint();
577                 canvas.drawBitmap(bitmap, loc->fX, loc->fY, paint);
578             } break;
579             case DRAW_BITMAP_RECT: {
580                 const SkPaint* paint = getPaint();
581                 const SkBitmap& bitmap = getBitmap();
582                 const SkIRect* src = this->getIRectPtr();   // may be null
583                 const SkRect* dst = fReader.skipRect();     // required
584                 canvas.drawBitmapRect(bitmap, src, *dst, paint);
585             } break;
586             case DRAW_BITMAP_MATRIX: {
587                 const SkPaint* paint = getPaint();
588                 const SkBitmap& bitmap = getBitmap();
589                 const SkMatrix* matrix = getMatrix();
590                 canvas.drawBitmapMatrix(bitmap, *matrix, paint);
591             } break;
592             case DRAW_DATA: {
593                 size_t length = getInt();
594                 canvas.drawData(fReader.skip(length), length);
595                 // skip handles padding the read out to a multiple of 4
596             } break;
597             case DRAW_PAINT:
598                 canvas.drawPaint(*getPaint());
599                 break;
600             case DRAW_PATH: {
601                 const SkPaint& paint = *getPaint();
602                 canvas.drawPath(getPath(), paint);
603             } break;
604             case DRAW_PICTURE:
605                 canvas.drawPicture(getPicture());
606                 break;
607             case DRAW_POINTS: {
608                 const SkPaint& paint = *getPaint();
609                 SkCanvas::PointMode mode = (SkCanvas::PointMode)getInt();
610                 size_t count = getInt();
611                 const SkPoint* pts = (const SkPoint*)fReader.skip(sizeof(SkPoint) * count);
612                 canvas.drawPoints(mode, count, pts, paint);
613             } break;
614             case DRAW_POS_TEXT: {
615                 const SkPaint& paint = *getPaint();
616                 getText(&text);
617                 size_t points = getInt();
618                 const SkPoint* pos = (const SkPoint*)fReader.skip(points * sizeof(SkPoint));
619                 canvas.drawPosText(text.text(), text.length(), pos, paint);
620             } break;
621             case DRAW_POS_TEXT_H: {
622                 const SkPaint& paint = *getPaint();
623                 getText(&text);
624                 size_t xCount = getInt();
625                 const SkScalar constY = getScalar();
626                 const SkScalar* xpos = (const SkScalar*)fReader.skip(xCount * sizeof(SkScalar));
627                 canvas.drawPosTextH(text.text(), text.length(), xpos, constY,
628                                     paint);
629             } break;
630             case DRAW_POS_TEXT_H_TOP_BOTTOM: {
631                 const SkPaint& paint = *getPaint();
632                 getText(&text);
633                 size_t xCount = getInt();
634                 const SkScalar* xpos = (const SkScalar*)fReader.skip((3 + xCount) * sizeof(SkScalar));
635                 const SkScalar top = *xpos++;
636                 const SkScalar bottom = *xpos++;
637                 const SkScalar constY = *xpos++;
638                 if (!canvas.quickRejectY(top, bottom, SkCanvas::kAA_EdgeType)) {
639                     canvas.drawPosTextH(text.text(), text.length(), xpos,
640                                         constY, paint);
641                 }
642             } break;
643             case DRAW_RECT: {
644                 const SkPaint& paint = *getPaint();
645                 canvas.drawRect(*fReader.skipRect(), paint);
646             } break;
647             case DRAW_SHAPE: {
648                 SkShape* shape = getShape();
649                 if (shape) {
650                     canvas.drawShape(shape);
651                 }
652             } break;
653             case DRAW_SPRITE: {
654                 const SkPaint* paint = getPaint();
655                 const SkBitmap& bitmap = getBitmap();
656                 int left = getInt();
657                 int top = getInt();
658                 canvas.drawSprite(bitmap, left, top, paint);
659             } break;
660             case DRAW_TEXT: {
661                 const SkPaint& paint = *getPaint();
662                 getText(&text);
663                 SkScalar x = getScalar();
664                 SkScalar y = getScalar();
665                 canvas.drawText(text.text(), text.length(), x, y, paint);
666             } break;
667             case DRAW_TEXT_TOP_BOTTOM: {
668                 const SkPaint& paint = *getPaint();
669                 getText(&text);
670                 const SkScalar* ptr = (const SkScalar*)fReader.skip(4 * sizeof(SkScalar));
671                 // ptr[0] == x
672                 // ptr[1] == y
673                 // ptr[2] == top
674                 // ptr[3] == bottom
675                 if (!canvas.quickRejectY(ptr[2], ptr[3],
676                                          SkCanvas::kAA_EdgeType)) {
677                     canvas.drawText(text.text(), text.length(), ptr[0], ptr[1],
678                                     paint);
679                 }
680             } break;
681             case DRAW_TEXT_ON_PATH: {
682                 const SkPaint& paint = *getPaint();
683                 getText(&text);
684                 const SkPath& path = getPath();
685                 const SkMatrix* matrix = getMatrix();
686                 canvas.drawTextOnPath(text.text(), text.length(), path,
687                                       matrix, paint);
688             } break;
689             case DRAW_VERTICES: {
690                 const SkPaint& paint = *getPaint();
691                 DrawVertexFlags flags = (DrawVertexFlags)getInt();
692                 SkCanvas::VertexMode vmode = (SkCanvas::VertexMode)getInt();
693                 int vCount = getInt();
694                 const SkPoint* verts = (const SkPoint*)fReader.skip(
695                                                     vCount * sizeof(SkPoint));
696                 const SkPoint* texs = NULL;
697                 const SkColor* colors = NULL;
698                 const uint16_t* indices = NULL;
699                 int iCount = 0;
700                 if (flags & DRAW_VERTICES_HAS_TEXS) {
701                     texs = (const SkPoint*)fReader.skip(
702                                                     vCount * sizeof(SkPoint));
703                 }
704                 if (flags & DRAW_VERTICES_HAS_COLORS) {
705                     colors = (const SkColor*)fReader.skip(
706                                                     vCount * sizeof(SkColor));
707                 }
708                 if (flags & DRAW_VERTICES_HAS_INDICES) {
709                     iCount = getInt();
710                     indices = (const uint16_t*)fReader.skip(
711                                                     iCount * sizeof(uint16_t));
712                 }
713                 canvas.drawVertices(vmode, vCount, verts, texs, colors, NULL,
714                                     indices, iCount, paint);
715             } break;
716             case RESTORE:
717                 canvas.restore();
718                 break;
719             case ROTATE:
720                 canvas.rotate(getScalar());
721                 break;
722             case SAVE:
723                 canvas.save((SkCanvas::SaveFlags) getInt());
724                 break;
725             case SAVE_LAYER: {
726                 const SkRect* boundsPtr = getRectPtr();
727                 const SkPaint* paint = getPaint();
728                 canvas.saveLayer(boundsPtr, paint, (SkCanvas::SaveFlags) getInt());
729                 } break;
730             case SCALE: {
731                 SkScalar sx = getScalar();
732                 SkScalar sy = getScalar();
733                 canvas.scale(sx, sy);
734             } break;
735             case SET_MATRIX:
736                 canvas.setMatrix(*getMatrix());
737                 break;
738             case SKEW: {
739                 SkScalar sx = getScalar();
740                 SkScalar sy = getScalar();
741                 canvas.skew(sx, sy);
742             } break;
743             case TRANSLATE: {
744                 SkScalar dx = getScalar();
745                 SkScalar dy = getScalar();
746                 canvas.translate(dx, dy);
747             } break;
748             default:
749                 SkASSERT(0);
750         }
751     }
752 
753 #ifdef SPEW_CLIP_SKIPPING
754     {
755         size_t size =  skipRect.fSize + skipPath.fSize + skipRegion.fSize;
756         SkDebugf("--- Clip skips %d%% rect:%d path:%d rgn:%d\n",
757              size * 100 / fReader.offset(), skipRect.fCount, skipPath.fCount,
758              skipRegion.fCount);
759     }
760 #endif
761 //    this->dumpSize();
762 }
763 
abort()764 void SkPicturePlayback::abort() {
765     fReader.skip(fReader.size() - fReader.offset());
766 }
767 
768 ///////////////////////////////////////////////////////////////////////////////
769 
770 #if 0
771 uint32_t SkPicturePlayback::flatten(void* storage) const {
772     SkWBuffer buffer(storage);
773     buffer.write32(fBitmapCount);
774     int index;
775     for (index = 0; index < fBitmapCount; index++) {
776         const SkBitmap& bitmap = fBitmaps[index];
777         uint32_t size = bitmap.flatten(NULL, true);
778         buffer.write32(size);
779         void* local = buffer.skip(size);
780         bitmap.flatten(local, true);
781     }
782     buffer.write32(fPaintCount);
783     for (index = 0; index < fPaintCount; index++) {
784         SkFlattenableWriteBuffer flatWrite;
785         const SkPaint& paint = fPaints[index];
786         SkFlatPaint::Write(&flatWrite, paint);
787         uint32_t size = flatWrite.pos();
788         buffer.write32(size);
789         void* local = buffer.skip(size);
790         flatWrite.reset(local);
791         SkFlatPaint::Write(&flatWrite, paint);
792     }
793     buffer.write32(fPathCount);
794     for (index = 0; index < fPathCount; index++) {
795         const SkPath& path = fPaths[index];
796         uint32_t size = path.flatten(NULL);
797         buffer.write32(size);
798         void* local = buffer.skip(size);
799         path.flatten(local);
800     }
801 
802 #if 0
803     buffer.write32(fPictureCount);
804     for (index = 0; index < fPictureCount; index++) {
805         const SkPicture& picture = fPictures[index];
806         uint32_t size = picture.flatten(NULL);
807         buffer.write32(size);
808         void* local = buffer.skip(size);
809         picture.flatten(local);
810     }
811 #endif
812 
813     buffer.write32(fRegionCount);
814     for (index = 0; index < fRegionCount; index++) {
815         const SkRegion& region = fRegions[index];
816         size_t size = region.computeBufferSize();
817         buffer.write32(size);
818         void* local = buffer.skip(size);
819         region.writeToBuffer(local);
820     }
821     fReader.rewind();
822     size_t length = fReader.size();
823     buffer.write32(length);
824     memcpy(buffer.skip(length), fReader.base(), length);
825     return (uint32_t) buffer.pos();
826 }
827 
828 void SkPicturePlayback::unflatten(const void* storage) {
829     SkRBuffer buffer(storage);
830     int index;
831     fBitmapCount = buffer.readU32();
832     fBitmaps = new SkBitmap[fBitmapCount];
833     for (index = 0; index < fBitmapCount; index++) {
834         uint32_t size = buffer.readU32();
835         const void* local = buffer.skip(size);
836         fBitmaps[index].unflatten(local);
837     }
838     fPaintCount = buffer.readU32();
839     fPaints = new SkPaint[fPaintCount];
840     for (index = 0; index < fPaintCount; index++) {
841         uint32_t size = buffer.readU32();
842         const void* local = buffer.skip(size);
843         SkFlatPaint::Read(local, &fPaints[index]);
844     }
845     fPathCount = buffer.readU32();
846     fPaths = new SkPath[fPathCount];
847     for (index = 0; index < fPathCount; index++) {
848         uint32_t size = buffer.readU32();
849         const void* local = buffer.skip(size);
850         fPaths[index].unflatten(local);
851     }
852 
853 #if 0
854     fPictureCount = buffer.readU32();
855     fPictures = new SkPicture[fPictureCount];
856     for (index = 0; index < fPictureCount; index++) {
857         uint32_t size = buffer.readU32();
858         const void* local = buffer.skip(size);
859         fPictures[index].unflatten(local);
860     }
861 #endif
862 
863     fRegionCount = buffer.readU32();
864     fRegions = new SkRegion[fRegionCount];
865     for (index = 0; index < fRegionCount; index++) {
866         uint32_t size = buffer.readU32();
867         const void* local = buffer.skip(size);
868         fRegions[index].readFromBuffer(local);
869     }
870     int32_t length = buffer.readS32();
871     const void* stream = buffer.skip(length);
872     fReader.setMemory(stream, length);
873 }
874 #endif
875 
876 ///////////////////////////////////////////////////////////////////////////////
877 
878 #ifdef SK_DEBUG_SIZE
size(size_t * sizePtr)879 int SkPicturePlayback::size(size_t* sizePtr) {
880     int objects = bitmaps(sizePtr);
881     objects += paints(sizePtr);
882     objects += paths(sizePtr);
883     objects += pictures(sizePtr);
884     objects += regions(sizePtr);
885     *sizePtr = fReader.size();
886     return objects;
887 }
888 
bitmaps(size_t * size)889 int SkPicturePlayback::bitmaps(size_t* size) {
890     size_t result = 0;
891     for (int index = 0; index < fBitmapCount; index++) {
892      //   const SkBitmap& bitmap = fBitmaps[index];
893         result += sizeof(SkBitmap); // bitmap->size();
894     }
895     *size = result;
896     return fBitmapCount;
897 }
898 
paints(size_t * size)899 int SkPicturePlayback::paints(size_t* size) {
900     size_t result = 0;
901     for (int index = 0; index < fPaintCount; index++) {
902     //    const SkPaint& paint = fPaints[index];
903         result += sizeof(SkPaint); // paint->size();
904     }
905     *size = result;
906     return fPaintCount;
907 }
908 
paths(size_t * size)909 int SkPicturePlayback::paths(size_t* size) {
910     size_t result = 0;
911     for (int index = 0; index < fPathCount; index++) {
912         const SkPath& path = fPaths[index];
913         result += path.flatten(NULL);
914     }
915     *size = result;
916     return fPathCount;
917 }
918 
regions(size_t * size)919 int SkPicturePlayback::regions(size_t* size) {
920     size_t result = 0;
921     for (int index = 0; index < fRegionCount; index++) {
922     //    const SkRegion& region = fRegions[index];
923         result += sizeof(SkRegion); // region->size();
924     }
925     *size = result;
926     return fRegionCount;
927 }
928 #endif
929 
930 #ifdef SK_DEBUG_DUMP
dumpBitmap(const SkBitmap & bitmap) const931 void SkPicturePlayback::dumpBitmap(const SkBitmap& bitmap) const {
932     char pBuffer[DUMP_BUFFER_SIZE];
933     char* bufferPtr = pBuffer;
934     bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
935         "BitmapData bitmap%p = {", &bitmap);
936     bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
937         "{kWidth, %d}, ", bitmap.width());
938     bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
939         "{kHeight, %d}, ", bitmap.height());
940     bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
941         "{kRowBytes, %d}, ", bitmap.rowBytes());
942 //        start here;
943     SkDebugf("%s{0}};\n", pBuffer);
944 }
945 
dumpMatrix(const SkMatrix & matrix) const946 void dumpMatrix(const SkMatrix& matrix) const {
947     SkMatrix defaultMatrix;
948     defaultMatrix.reset();
949     char pBuffer[DUMP_BUFFER_SIZE];
950     char* bufferPtr = pBuffer;
951     bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
952         "MatrixData matrix%p = {", &matrix);
953     SkScalar scaleX = matrix.getScaleX();
954     if (scaleX != defaultMatrix.getScaleX())
955         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
956             "{kScaleX, %g}, ", SkScalarToFloat(scaleX));
957     SkScalar scaleY = matrix.getScaleY();
958     if (scaleY != defaultMatrix.getScaleY())
959         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
960             "{kScaleY, %g}, ", SkScalarToFloat(scaleY));
961     SkScalar skewX = matrix.getSkewX();
962     if (skewX != defaultMatrix.getSkewX())
963         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
964             "{kSkewX, %g}, ", SkScalarToFloat(skewX));
965     SkScalar skewY = matrix.getSkewY();
966     if (skewY != defaultMatrix.getSkewY())
967         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
968             "{kSkewY, %g}, ", SkScalarToFloat(skewY));
969     SkScalar translateX = matrix.getTranslateX();
970     if (translateX != defaultMatrix.getTranslateX())
971         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
972             "{kTranslateX, %g}, ", SkScalarToFloat(translateX));
973     SkScalar translateY = matrix.getTranslateY();
974     if (translateY != defaultMatrix.getTranslateY())
975         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
976             "{kTranslateY, %g}, ", SkScalarToFloat(translateY));
977     SkScalar perspX = matrix.getPerspX();
978     if (perspX != defaultMatrix.getPerspX())
979         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
980             "{kPerspX, %g}, ", SkFractToFloat(perspX));
981     SkScalar perspY = matrix.getPerspY();
982     if (perspY != defaultMatrix.getPerspY())
983         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
984             "{kPerspY, %g}, ", SkFractToFloat(perspY));
985     SkDebugf("%s{0}};\n", pBuffer);
986 }
987 
dumpPaint(const SkPaint & paint) const988 void dumpPaint(const SkPaint& paint) const {
989     SkPaint defaultPaint;
990     char pBuffer[DUMP_BUFFER_SIZE];
991     char* bufferPtr = pBuffer;
992     bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
993         "PaintPointers paintPtrs%p = {", &paint);
994     const SkTypeface* typeface = paint.getTypeface();
995     if (typeface != defaultPaint.getTypeface())
996         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
997             "{kTypeface, %p}, ", typeface);
998     const SkPathEffect* pathEffect = paint.getPathEffect();
999     if (pathEffect != defaultPaint.getPathEffect())
1000         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1001             "{kPathEffect, %p}, ", pathEffect);
1002     const SkShader* shader = paint.getShader();
1003     if (shader != defaultPaint.getShader())
1004         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1005             "{kShader, %p}, ", shader);
1006     const SkXfermode* xfermode = paint.getXfermode();
1007     if (xfermode != defaultPaint.getXfermode())
1008         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1009             "{kXfermode, %p}, ", xfermode);
1010     const SkMaskFilter* maskFilter = paint.getMaskFilter();
1011     if (maskFilter != defaultPaint.getMaskFilter())
1012         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1013             "{kMaskFilter, %p}, ", maskFilter);
1014     const SkColorFilter* colorFilter = paint.getColorFilter();
1015     if (colorFilter != defaultPaint.getColorFilter())
1016         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1017             "{kColorFilter, %p}, ", colorFilter);
1018     const SkRasterizer* rasterizer = paint.getRasterizer();
1019     if (rasterizer != defaultPaint.getRasterizer())
1020         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1021             "{kRasterizer, %p}, ", rasterizer);
1022     const SkDrawLooper* drawLooper = paint.getLooper();
1023     if (drawLooper != defaultPaint.getLooper())
1024         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1025             "{kDrawLooper, %p}, ", drawLooper);
1026     SkDebugf("%s{0}};\n", pBuffer);
1027     bufferPtr = pBuffer;
1028     bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1029         "PaintScalars paintScalars%p = {", &paint);
1030     SkScalar textSize = paint.getTextSize();
1031     if (textSize != defaultPaint.getTextSize())
1032         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1033             "{kTextSize, %g}, ", SkScalarToFloat(textSize));
1034     SkScalar textScaleX = paint.getTextScaleX();
1035     if (textScaleX != defaultPaint.getTextScaleX())
1036         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1037             "{kTextScaleX, %g}, ", SkScalarToFloat(textScaleX));
1038     SkScalar textSkewX = paint.getTextSkewX();
1039     if (textSkewX != defaultPaint.getTextSkewX())
1040         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1041             "{kTextSkewX, %g}, ", SkScalarToFloat(textSkewX));
1042     SkScalar strokeWidth = paint.getStrokeWidth();
1043     if (strokeWidth != defaultPaint.getStrokeWidth())
1044         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1045             "{kStrokeWidth, %g}, ", SkScalarToFloat(strokeWidth));
1046     SkScalar strokeMiter = paint.getStrokeMiter();
1047     if (strokeMiter != defaultPaint.getStrokeMiter())
1048         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1049             "{kStrokeMiter, %g}, ", SkScalarToFloat(strokeMiter));
1050     SkDebugf("%s{0}};\n", pBuffer);
1051     bufferPtr = pBuffer;
1052     bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1053         "PaintInts = paintInts%p = {", &paint);
1054     unsigned color = paint.getColor();
1055     if (color != defaultPaint.getColor())
1056         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1057             "{kColor, 0x%x}, ", color);
1058     unsigned flags = paint.getFlags();
1059     if (flags != defaultPaint.getFlags())
1060         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1061             "{kFlags, 0x%x}, ", flags);
1062     int align = paint.getTextAlign();
1063     if (align != defaultPaint.getTextAlign())
1064         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1065             "{kAlign, 0x%x}, ", align);
1066     int strokeCap = paint.getStrokeCap();
1067     if (strokeCap != defaultPaint.getStrokeCap())
1068         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1069             "{kStrokeCap, 0x%x}, ", strokeCap);
1070     int strokeJoin = paint.getStrokeJoin();
1071     if (strokeJoin != defaultPaint.getStrokeJoin())
1072         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1073             "{kAlign, 0x%x}, ", strokeJoin);
1074     int style = paint.getStyle();
1075     if (style != defaultPaint.getStyle())
1076         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1077             "{kStyle, 0x%x}, ", style);
1078     int textEncoding = paint.getTextEncoding();
1079     if (textEncoding != defaultPaint.getTextEncoding())
1080         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1081             "{kTextEncoding, 0x%x}, ", textEncoding);
1082     SkDebugf("%s{0}};\n", pBuffer);
1083 
1084     SkDebugf("PaintData paint%p = {paintPtrs%p, paintScalars%p, paintInts%p};\n",
1085         &paint, &paint, &paint, &paint);
1086 }
1087 
dumpPath(const SkPath & path) const1088 void SkPicturePlayback::dumpPath(const SkPath& path) const {
1089     SkDebugf("path dump unimplemented\n");
1090 }
1091 
dumpPicture(const SkPicture & picture) const1092 void SkPicturePlayback::dumpPicture(const SkPicture& picture) const {
1093     SkDebugf("picture dump unimplemented\n");
1094 }
1095 
dumpRegion(const SkRegion & region) const1096 void SkPicturePlayback::dumpRegion(const SkRegion& region) const {
1097     SkDebugf("region dump unimplemented\n");
1098 }
1099 
dumpDrawType(char * bufferPtr,char * buffer,DrawType drawType)1100 int SkPicturePlayback::dumpDrawType(char* bufferPtr, char* buffer, DrawType drawType) {
1101     return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
1102         "k%s, ", DrawTypeToString(drawType));
1103 }
1104 
dumpInt(char * bufferPtr,char * buffer,char * name)1105 int SkPicturePlayback::dumpInt(char* bufferPtr, char* buffer, char* name) {
1106     return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
1107         "%s:%d, ", name, getInt());
1108 }
1109 
dumpRect(char * bufferPtr,char * buffer,char * name)1110 int SkPicturePlayback::dumpRect(char* bufferPtr, char* buffer, char* name) {
1111     const SkRect* rect = fReader.skipRect();
1112     return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
1113         "%s:{l:%g t:%g r:%g b:%g}, ", name, SkScalarToFloat(rect.fLeft),
1114         SkScalarToFloat(rect.fTop),
1115         SkScalarToFloat(rect.fRight), SkScalarToFloat(rect.fBottom));
1116 }
1117 
dumpPoint(char * bufferPtr,char * buffer,char * name)1118 int SkPicturePlayback::dumpPoint(char* bufferPtr, char* buffer, char* name) {
1119     SkPoint pt;
1120     getPoint(&pt);
1121     return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
1122         "%s:{x:%g y:%g}, ", name, SkScalarToFloat(pt.fX),
1123         SkScalarToFloat(pt.fY));
1124 }
1125 
dumpPointArray(char ** bufferPtrPtr,char * buffer,int count)1126 void SkPicturePlayback::dumpPointArray(char** bufferPtrPtr, char* buffer, int count) {
1127     char* bufferPtr = *bufferPtrPtr;
1128     const SkPoint* pts = (const SkPoint*)fReadStream.getAtPos();
1129     fReadStream.skip(sizeof(SkPoint) * count);
1130     bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
1131         "count:%d {", count);
1132     for (int index = 0; index < count; index++)
1133         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
1134         "{x:%g y:%g}, ", SkScalarToFloat(pts[index].fX),
1135         SkScalarToFloat(pts[index].fY));
1136     bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
1137         "} ");
1138     *bufferPtrPtr = bufferPtr;
1139 }
1140 
dumpPtr(char * bufferPtr,char * buffer,char * name,void * ptr)1141 int SkPicturePlayback::dumpPtr(char* bufferPtr, char* buffer, char* name, void* ptr) {
1142     return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
1143         "%s:%p, ", name, ptr);
1144 }
1145 
dumpRectPtr(char * bufferPtr,char * buffer,char * name)1146 int SkPicturePlayback::dumpRectPtr(char* bufferPtr, char* buffer, char* name) {
1147     char result;
1148     fReadStream.read(&result, sizeof(result));
1149     if (result)
1150         return dumpRect(bufferPtr, buffer, name);
1151     else
1152         return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
1153             "%s:NULL, ", name);
1154 }
1155 
dumpScalar(char * bufferPtr,char * buffer,char * name)1156 int SkPicturePlayback::dumpScalar(char* bufferPtr, char* buffer, char* name) {
1157     return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
1158         "%s:%d, ", name, getScalar());
1159 }
1160 
dumpText(char ** bufferPtrPtr,char * buffer)1161 void SkPicturePlayback::dumpText(char** bufferPtrPtr, char* buffer) {
1162     char* bufferPtr = *bufferPtrPtr;
1163     int length = getInt();
1164     bufferPtr += dumpDrawType(bufferPtr, buffer);
1165     fReadStream.skipToAlign4();
1166     char* text = (char*) fReadStream.getAtPos();
1167     fReadStream.skip(length);
1168     bufferPtr += dumpInt(bufferPtr, buffer, "length");
1169     int limit = DUMP_BUFFER_SIZE - (bufferPtr - buffer) - 2;
1170     length >>= 1;
1171     if (limit > length)
1172         limit = length;
1173     if (limit > 0) {
1174         *bufferPtr++ = '"';
1175         for (int index = 0; index < limit; index++) {
1176             *bufferPtr++ = *(unsigned short*) text;
1177             text += sizeof(unsigned short);
1178         }
1179         *bufferPtr++ = '"';
1180     }
1181     *bufferPtrPtr = bufferPtr;
1182 }
1183 
1184 #define DUMP_DRAWTYPE(drawType) \
1185     bufferPtr += dumpDrawType(bufferPtr, buffer, drawType)
1186 
1187 #define DUMP_INT(name) \
1188     bufferPtr += dumpInt(bufferPtr, buffer, #name)
1189 
1190 #define DUMP_RECT_PTR(name) \
1191     bufferPtr += dumpRectPtr(bufferPtr, buffer, #name)
1192 
1193 #define DUMP_POINT(name) \
1194     bufferPtr += dumpRect(bufferPtr, buffer, #name)
1195 
1196 #define DUMP_RECT(name) \
1197     bufferPtr += dumpRect(bufferPtr, buffer, #name)
1198 
1199 #define DUMP_POINT_ARRAY(count) \
1200     dumpPointArray(&bufferPtr, buffer, count)
1201 
1202 #define DUMP_PTR(name, ptr) \
1203     bufferPtr += dumpPtr(bufferPtr, buffer, #name, (void*) ptr)
1204 
1205 #define DUMP_SCALAR(name) \
1206     bufferPtr += dumpScalar(bufferPtr, buffer, #name)
1207 
1208 #define DUMP_TEXT() \
1209     dumpText(&bufferPtr, buffer)
1210 
dumpStream()1211 void SkPicturePlayback::dumpStream() {
1212     SkDebugf("RecordStream stream = {\n");
1213     DrawType drawType;
1214     TextContainer text;
1215     fReadStream.rewind();
1216     char buffer[DUMP_BUFFER_SIZE], * bufferPtr;
1217     while (fReadStream.read(&drawType, sizeof(drawType))) {
1218         bufferPtr = buffer;
1219         DUMP_DRAWTYPE(drawType);
1220         switch (drawType) {
1221             case CLIP_PATH: {
1222                 DUMP_PTR(SkPath, &getPath());
1223                 DUMP_INT(SkRegion::Op);
1224                 DUMP_INT(offsetToRestore);
1225                 } break;
1226             case CLIP_REGION: {
1227                 DUMP_PTR(SkRegion, &getRegion());
1228                 DUMP_INT(SkRegion::Op);
1229                 DUMP_INT(offsetToRestore);
1230             } break;
1231             case CLIP_RECT: {
1232                 DUMP_RECT(rect);
1233                 DUMP_INT(SkRegion::Op);
1234                 DUMP_INT(offsetToRestore);
1235                 } break;
1236             case CONCAT:
1237                 DUMP_PTR(SkMatrix, getMatrix());
1238                 break;
1239             case DRAW_BITMAP: {
1240                 DUMP_PTR(SkPaint, getPaint());
1241                 DUMP_PTR(SkBitmap, &getBitmap());
1242                 DUMP_SCALAR(left);
1243                 DUMP_SCALAR(top);
1244                 } break;
1245             case DRAW_PAINT:
1246                 DUMP_PTR(SkPaint, getPaint());
1247                 break;
1248             case DRAW_PATH: {
1249                 DUMP_PTR(SkPaint, getPaint());
1250                 DUMP_PTR(SkPath, &getPath());
1251                 } break;
1252             case DRAW_PICTURE: {
1253                 DUMP_PTR(SkPicture, &getPicture());
1254                 } break;
1255             case DRAW_POINTS: {
1256                 DUMP_PTR(SkPaint, getPaint());
1257                 (void)getInt(); // PointMode
1258                 size_t count = getInt();
1259                 fReadStream.skipToAlign4();
1260                 DUMP_POINT_ARRAY(count);
1261                 } break;
1262             case DRAW_POS_TEXT: {
1263                 DUMP_PTR(SkPaint, getPaint());
1264                 DUMP_TEXT();
1265                 size_t points = getInt();
1266                 fReadStream.skipToAlign4();
1267                 DUMP_POINT_ARRAY(points);
1268                 } break;
1269             case DRAW_POS_TEXT_H: {
1270                 DUMP_PTR(SkPaint, getPaint());
1271                 DUMP_TEXT();
1272                 size_t points = getInt();
1273                 fReadStream.skipToAlign4();
1274                 DUMP_SCALAR(top);
1275                 DUMP_SCALAR(bottom);
1276                 DUMP_SCALAR(constY);
1277                 DUMP_POINT_ARRAY(points);
1278                 } break;
1279             case DRAW_RECT: {
1280                 DUMP_PTR(SkPaint, getPaint());
1281                 DUMP_RECT(rect);
1282                 } break;
1283             case DRAW_SPRITE: {
1284                 DUMP_PTR(SkPaint, getPaint());
1285                 DUMP_PTR(SkBitmap, &getBitmap());
1286                 DUMP_SCALAR(left);
1287                 DUMP_SCALAR(top);
1288                 } break;
1289             case DRAW_TEXT: {
1290                 DUMP_PTR(SkPaint, getPaint());
1291                 DUMP_TEXT();
1292                 DUMP_SCALAR(x);
1293                 DUMP_SCALAR(y);
1294                 } break;
1295             case DRAW_TEXT_ON_PATH: {
1296                 DUMP_PTR(SkPaint, getPaint());
1297                 DUMP_TEXT();
1298                 DUMP_PTR(SkPath, &getPath());
1299                 DUMP_PTR(SkMatrix, getMatrix());
1300                 } break;
1301             case RESTORE:
1302                 break;
1303             case ROTATE:
1304                 DUMP_SCALAR(rotate);
1305                 break;
1306             case SAVE:
1307                 DUMP_INT(SkCanvas::SaveFlags);
1308                 break;
1309             case SAVE_LAYER: {
1310                 DUMP_RECT_PTR(layer);
1311                 DUMP_PTR(SkPaint, getPaint());
1312                 DUMP_INT(SkCanvas::SaveFlags);
1313                 } break;
1314             case SCALE: {
1315                 DUMP_SCALAR(sx);
1316                 DUMP_SCALAR(sy);
1317                 } break;
1318             case SKEW: {
1319                 DUMP_SCALAR(sx);
1320                 DUMP_SCALAR(sy);
1321                 } break;
1322             case TRANSLATE: {
1323                 DUMP_SCALAR(dx);
1324                 DUMP_SCALAR(dy);
1325                 } break;
1326             default:
1327                 SkASSERT(0);
1328         }
1329         SkDebugf("%s\n", buffer);
1330     }
1331 }
1332 
dump() const1333 void SkPicturePlayback::dump() const {
1334     char pBuffer[DUMP_BUFFER_SIZE];
1335     char* bufferPtr = pBuffer;
1336     int index;
1337     if (fBitmapCount > 0)
1338         SkDebugf("// bitmaps (%d)\n", fBitmapCount);
1339     for (index = 0; index < fBitmapCount; index++) {
1340         const SkBitmap& bitmap = fBitmaps[index];
1341         dumpBitmap(bitmap);
1342     }
1343     if (fBitmapCount > 0)
1344         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1345             "Bitmaps bitmaps = {");
1346     for (index = 0; index < fBitmapCount; index++)
1347         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1348             "bitmap%p, ", &fBitmaps[index]);
1349     if (fBitmapCount > 0)
1350         SkDebugf("%s0};\n", pBuffer);
1351 
1352     if (fMatrixCount > 0)
1353         SkDebugf("// matrices (%d)\n", fMatrixCount);
1354     for (index = 0; index < fMatrixCount; index++) {
1355         const SkMatrix& matrix = fMatrices[index];
1356         dumpMatrix(matrix);
1357     }
1358     bufferPtr = pBuffer;
1359     if (fMatrixCount > 0)
1360         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1361             "Matrices matrices = {");
1362     for (index = 0; index < fMatrixCount; index++)
1363         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1364             "matrix%p, ", &fMatrices[index]);
1365     if (fMatrixCount > 0)
1366         SkDebugf("%s0};\n", pBuffer);
1367 
1368     if (fPaintCount > 0)
1369         SkDebugf("// paints (%d)\n", fPaintCount);
1370     for (index = 0; index < fPaintCount; index++) {
1371         const SkPaint& paint = fPaints[index];
1372         dumpPaint(paint);
1373     }
1374     bufferPtr = pBuffer;
1375     if (fPaintCount > 0)
1376         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1377             "Paints paints = {");
1378     for (index = 0; index < fPaintCount; index++)
1379         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1380             "paint%p, ", &fPaints[index]);
1381     if (fPaintCount > 0)
1382         SkDebugf("%s0};\n", pBuffer);
1383 
1384     for (index = 0; index < fPathCount; index++) {
1385         const SkPath& path = fPaths[index];
1386         dumpPath(path);
1387     }
1388     bufferPtr = pBuffer;
1389     if (fPathCount > 0)
1390         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1391             "Paths paths = {");
1392     for (index = 0; index < fPathCount; index++)
1393         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1394             "path%p, ", &fPaths[index]);
1395     if (fPathCount > 0)
1396         SkDebugf("%s0};\n", pBuffer);
1397 
1398     for (index = 0; index < fPictureCount; index++) {
1399         dumpPicture(*fPictureRefs[index]);
1400     }
1401     bufferPtr = pBuffer;
1402     if (fPictureCount > 0)
1403         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1404             "Pictures pictures = {");
1405     for (index = 0; index < fPictureCount; index++)
1406         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1407             "picture%p, ", fPictureRefs[index]);
1408     if (fPictureCount > 0)
1409         SkDebugf("%s0};\n", pBuffer);
1410 
1411     for (index = 0; index < fRegionCount; index++) {
1412         const SkRegion& region = fRegions[index];
1413         dumpRegion(region);
1414     }
1415     bufferPtr = pBuffer;
1416     if (fRegionCount > 0)
1417         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1418             "Regions regions = {");
1419     for (index = 0; index < fRegionCount; index++)
1420         bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
1421             "region%p, ", &fRegions[index]);
1422     if (fRegionCount > 0)
1423         SkDebugf("%s0};\n", pBuffer);
1424 
1425     const_cast<SkPicturePlayback*>(this)->dumpStream();
1426 }
1427 
1428 #endif
1429