SkPicturePlayback.cpp revision 32ef131f5279da0850f865dece4935aeddddb40a
1 2/* 3 * Copyright 2011 Google Inc. 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#include "SkPicturePlayback.h" 9#include "SkPictureRecord.h" 10#include "SkTypeface.h" 11#include "SkOrderedReadBuffer.h" 12#include "SkOrderedWriteBuffer.h" 13#include <new> 14#include "SkBBoxHierarchy.h" 15#include "SkPictureStateTree.h" 16#include "SkTSort.h" 17 18template <typename T> int SafeCount(const T* obj) { 19 return obj ? obj->count() : 0; 20} 21 22/* Define this to spew out a debug statement whenever we skip the remainder of 23 a save/restore block because a clip... command returned false (empty). 24 */ 25#define SPEW_CLIP_SKIPPINGx 26 27SkPicturePlayback::SkPicturePlayback() { 28 this->init(); 29} 30 31SkPicturePlayback::SkPicturePlayback(const SkPictureRecord& record, bool deepCopy) { 32#ifdef SK_DEBUG_SIZE 33 size_t overallBytes, bitmapBytes, matricesBytes, 34 paintBytes, pathBytes, pictureBytes, regionBytes; 35 int bitmaps = record.bitmaps(&bitmapBytes); 36 int matrices = record.matrices(&matricesBytes); 37 int paints = record.paints(&paintBytes); 38 int paths = record.paths(&pathBytes); 39 int pictures = record.pictures(&pictureBytes); 40 int regions = record.regions(®ionBytes); 41 SkDebugf("picture record mem used %zd (stream %zd) ", record.size(), 42 record.streamlen()); 43 if (bitmaps != 0) 44 SkDebugf("bitmaps size %zd (bitmaps:%d) ", bitmapBytes, bitmaps); 45 if (matrices != 0) 46 SkDebugf("matrices size %zd (matrices:%d) ", matricesBytes, matrices); 47 if (paints != 0) 48 SkDebugf("paints size %zd (paints:%d) ", paintBytes, paints); 49 if (paths != 0) 50 SkDebugf("paths size %zd (paths:%d) ", pathBytes, paths); 51 if (pictures != 0) 52 SkDebugf("pictures size %zd (pictures:%d) ", pictureBytes, pictures); 53 if (regions != 0) 54 SkDebugf("regions size %zd (regions:%d) ", regionBytes, regions); 55 if (record.fPointWrites != 0) 56 SkDebugf("points size %zd (points:%d) ", record.fPointBytes, record.fPointWrites); 57 if (record.fRectWrites != 0) 58 SkDebugf("rects size %zd (rects:%d) ", record.fRectBytes, record.fRectWrites); 59 if (record.fTextWrites != 0) 60 SkDebugf("text size %zd (text strings:%d) ", record.fTextBytes, record.fTextWrites); 61 62 SkDebugf("\n"); 63#endif 64#ifdef SK_DEBUG_DUMP 65 record.dumpMatrices(); 66 record.dumpPaints(); 67#endif 68 69 record.validate(record.writeStream().size(), 0); 70 const SkWriter32& writer = record.writeStream(); 71 init(); 72 if (writer.size() == 0) { 73 fOpData = SkData::NewEmpty(); 74 return; 75 } 76 77 fBoundingHierarchy = record.fBoundingHierarchy; 78 fStateTree = record.fStateTree; 79 80 SkSafeRef(fBoundingHierarchy); 81 SkSafeRef(fStateTree); 82 83 if (NULL != fBoundingHierarchy) { 84 fBoundingHierarchy->flushDeferredInserts(); 85 } 86 87 { 88 size_t size = writer.size(); 89 void* buffer = sk_malloc_throw(size); 90 writer.flatten(buffer); 91 SkASSERT(!fOpData); 92 fOpData = SkData::NewFromMalloc(buffer, size); 93 } 94 95 // copy over the refcnt dictionary to our reader 96 record.fFlattenableHeap.setupPlaybacks(); 97 98 fBitmaps = record.fBitmapHeap->extractBitmaps(); 99 fMatrices = record.fMatrices.unflattenToArray(); 100 fPaints = record.fPaints.unflattenToArray(); 101 fRegions = record.fRegions.unflattenToArray(); 102 103 fBitmapHeap.reset(SkSafeRef(record.fBitmapHeap)); 104 fPathHeap.reset(SkSafeRef(record.fPathHeap)); 105 106 // ensure that the paths bounds are pre-computed 107 if (fPathHeap.get()) { 108 for (int i = 0; i < fPathHeap->count(); i++) { 109 (*fPathHeap)[i].updateBoundsCache(); 110 } 111 } 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 if (deepCopy) { 119 fPictureRefs[i] = pictures[i]->clone(); 120 } else { 121 fPictureRefs[i] = pictures[i]; 122 fPictureRefs[i]->ref(); 123 } 124 } 125 } 126 127#ifdef SK_DEBUG_SIZE 128 int overall = fPlayback->size(&overallBytes); 129 bitmaps = fPlayback->bitmaps(&bitmapBytes); 130 paints = fPlayback->paints(&paintBytes); 131 paths = fPlayback->paths(&pathBytes); 132 pictures = fPlayback->pictures(&pictureBytes); 133 regions = fPlayback->regions(®ionBytes); 134 SkDebugf("playback size %zd (objects:%d) ", overallBytes, overall); 135 if (bitmaps != 0) 136 SkDebugf("bitmaps size %zd (bitmaps:%d) ", bitmapBytes, bitmaps); 137 if (paints != 0) 138 SkDebugf("paints size %zd (paints:%d) ", paintBytes, paints); 139 if (paths != 0) 140 SkDebugf("paths size %zd (paths:%d) ", pathBytes, paths); 141 if (pictures != 0) 142 SkDebugf("pictures size %zd (pictures:%d) ", pictureBytes, pictures); 143 if (regions != 0) 144 SkDebugf("regions size %zd (regions:%d) ", regionBytes, regions); 145 SkDebugf("\n"); 146#endif 147} 148 149static bool needs_deep_copy(const SkPaint& paint) { 150 /* 151 * These fields are known to be immutable, and so can be shallow-copied 152 * 153 * getTypeface(); 154 * getAnnotation(); 155 */ 156 157 return paint.getPathEffect() || 158 paint.getShader() || 159 paint.getXfermode() || 160 paint.getMaskFilter() || 161 paint.getColorFilter() || 162 paint.getRasterizer() || 163 paint.getLooper() || 164 paint.getImageFilter(); 165} 166 167SkPicturePlayback::SkPicturePlayback(const SkPicturePlayback& src, SkPictCopyInfo* deepCopyInfo) { 168 this->init(); 169 170 fBitmapHeap.reset(SkSafeRef(src.fBitmapHeap.get())); 171 fPathHeap.reset(SkSafeRef(src.fPathHeap.get())); 172 173 fMatrices = SkSafeRef(src.fMatrices); 174 fRegions = SkSafeRef(src.fRegions); 175 fOpData = SkSafeRef(src.fOpData); 176 177 fBoundingHierarchy = src.fBoundingHierarchy; 178 fStateTree = src.fStateTree; 179 180 SkSafeRef(fBoundingHierarchy); 181 SkSafeRef(fStateTree); 182 183 if (deepCopyInfo) { 184 int paintCount = SafeCount(src.fPaints); 185 186 if (src.fBitmaps) { 187 fBitmaps = SkTRefArray<SkBitmap>::Create(src.fBitmaps->begin(), src.fBitmaps->count()); 188 } 189 190 if (!deepCopyInfo->initialized) { 191 /* The alternative to doing this is to have a clone method on the paint and have it make 192 * the deep copy of its internal structures as needed. The holdup to doing that is at 193 * this point we would need to pass the SkBitmapHeap so that we don't unnecessarily 194 * flatten the pixels in a bitmap shader. 195 */ 196 deepCopyInfo->paintData.setCount(paintCount); 197 198 /* Use an SkBitmapHeap to avoid flattening bitmaps in shaders. If there already is one, 199 * use it. If this SkPicturePlayback was created from a stream, fBitmapHeap will be 200 * NULL, so create a new one. 201 */ 202 if (fBitmapHeap.get() == NULL) { 203 // FIXME: Put this on the stack inside SkPicture::clone. Further, is it possible to 204 // do the rest of this initialization in SkPicture::clone as well? 205 SkBitmapHeap* heap = SkNEW(SkBitmapHeap); 206 deepCopyInfo->controller.setBitmapStorage(heap); 207 heap->unref(); 208 } else { 209 deepCopyInfo->controller.setBitmapStorage(fBitmapHeap); 210 } 211 212 SkDEBUGCODE(int heapSize = SafeCount(fBitmapHeap.get());) 213 for (int i = 0; i < paintCount; i++) { 214 if (needs_deep_copy(src.fPaints->at(i))) { 215 deepCopyInfo->paintData[i] = SkFlatData::Create(&deepCopyInfo->controller, 216 &src.fPaints->at(i), 0, 217 &SkFlattenObjectProc<SkPaint>); 218 } else { 219 // this is our sentinel, which we use in the unflatten loop 220 deepCopyInfo->paintData[i] = NULL; 221 } 222 } 223 SkASSERT(SafeCount(fBitmapHeap.get()) == heapSize); 224 225 // needed to create typeface playback 226 deepCopyInfo->controller.setupPlaybacks(); 227 deepCopyInfo->initialized = true; 228 } 229 230 fPaints = SkTRefArray<SkPaint>::Create(paintCount); 231 SkASSERT(deepCopyInfo->paintData.count() == paintCount); 232 SkBitmapHeap* bmHeap = deepCopyInfo->controller.getBitmapHeap(); 233 SkTypefacePlayback* tfPlayback = deepCopyInfo->controller.getTypefacePlayback(); 234 for (int i = 0; i < paintCount; i++) { 235 if (deepCopyInfo->paintData[i]) { 236 deepCopyInfo->paintData[i]->unflatten(&fPaints->writableAt(i), 237 &SkUnflattenObjectProc<SkPaint>, 238 bmHeap, tfPlayback); 239 } else { 240 // needs_deep_copy was false, so just need to assign 241 fPaints->writableAt(i) = src.fPaints->at(i); 242 } 243 } 244 245 } else { 246 fBitmaps = SkSafeRef(src.fBitmaps); 247 fPaints = SkSafeRef(src.fPaints); 248 } 249 250 fPictureCount = src.fPictureCount; 251 fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount); 252 for (int i = 0; i < fPictureCount; i++) { 253 if (deepCopyInfo) { 254 fPictureRefs[i] = src.fPictureRefs[i]->clone(); 255 } else { 256 fPictureRefs[i] = src.fPictureRefs[i]; 257 fPictureRefs[i]->ref(); 258 } 259 } 260} 261 262void SkPicturePlayback::init() { 263 fBitmaps = NULL; 264 fMatrices = NULL; 265 fPaints = NULL; 266 fPictureRefs = NULL; 267 fRegions = NULL; 268 fPictureCount = 0; 269 fOpData = NULL; 270 fFactoryPlayback = NULL; 271 fBoundingHierarchy = NULL; 272 fStateTree = NULL; 273} 274 275SkPicturePlayback::~SkPicturePlayback() { 276 fOpData->unref(); 277 278 SkSafeUnref(fBitmaps); 279 SkSafeUnref(fMatrices); 280 SkSafeUnref(fPaints); 281 SkSafeUnref(fRegions); 282 SkSafeUnref(fBoundingHierarchy); 283 SkSafeUnref(fStateTree); 284 285 for (int i = 0; i < fPictureCount; i++) { 286 fPictureRefs[i]->unref(); 287 } 288 SkDELETE_ARRAY(fPictureRefs); 289 290 SkDELETE(fFactoryPlayback); 291} 292 293void SkPicturePlayback::dumpSize() const { 294 SkDebugf("--- picture size: ops=%d bitmaps=%d [%d] matrices=%d [%d] paints=%d [%d] paths=%d regions=%d\n", 295 fOpData->size(), 296 SafeCount(fBitmaps), SafeCount(fBitmaps) * sizeof(SkBitmap), 297 SafeCount(fMatrices), SafeCount(fMatrices) * sizeof(SkMatrix), 298 SafeCount(fPaints), SafeCount(fPaints) * sizeof(SkPaint), 299 SafeCount(fPathHeap.get()), 300 SafeCount(fRegions)); 301} 302 303/////////////////////////////////////////////////////////////////////////////// 304/////////////////////////////////////////////////////////////////////////////// 305 306#define PICT_READER_TAG SkSetFourByteTag('r', 'e', 'a', 'd') 307#define PICT_FACTORY_TAG SkSetFourByteTag('f', 'a', 'c', 't') 308#define PICT_TYPEFACE_TAG SkSetFourByteTag('t', 'p', 'f', 'c') 309#define PICT_PICTURE_TAG SkSetFourByteTag('p', 'c', 't', 'r') 310 311// This tag specifies the size of the ReadBuffer, needed for the following tags 312#define PICT_BUFFER_SIZE_TAG SkSetFourByteTag('a', 'r', 'a', 'y') 313// these are all inside the ARRAYS tag 314#define PICT_BITMAP_BUFFER_TAG SkSetFourByteTag('b', 't', 'm', 'p') 315#define PICT_MATRIX_BUFFER_TAG SkSetFourByteTag('m', 't', 'r', 'x') 316#define PICT_PAINT_BUFFER_TAG SkSetFourByteTag('p', 'n', 't', ' ') 317#define PICT_PATH_BUFFER_TAG SkSetFourByteTag('p', 't', 'h', ' ') 318#define PICT_REGION_BUFFER_TAG SkSetFourByteTag('r', 'g', 'n', ' ') 319 320// Always write this guy last (with no length field afterwards) 321#define PICT_EOF_TAG SkSetFourByteTag('e', 'o', 'f', ' ') 322 323#include "SkStream.h" 324 325static void writeTagSize(SkOrderedWriteBuffer& buffer, uint32_t tag, 326 uint32_t size) { 327 buffer.writeUInt(tag); 328 buffer.writeUInt(size); 329} 330 331static void writeTagSize(SkWStream* stream, uint32_t tag, 332 uint32_t size) { 333 stream->write32(tag); 334 stream->write32(size); 335} 336 337static void writeFactories(SkWStream* stream, const SkFactorySet& rec) { 338 int count = rec.count(); 339 340 writeTagSize(stream, PICT_FACTORY_TAG, count); 341 342 SkAutoSTMalloc<16, SkFlattenable::Factory> storage(count); 343 SkFlattenable::Factory* array = (SkFlattenable::Factory*)storage.get(); 344 rec.copyToArray(array); 345 346 for (int i = 0; i < count; i++) { 347 const char* name = SkFlattenable::FactoryToName(array[i]); 348// SkDebugf("---- write factories [%d] %p <%s>\n", i, array[i], name); 349 if (NULL == name || 0 == *name) { 350 stream->writePackedUInt(0); 351 } else { 352 uint32_t len = strlen(name); 353 stream->writePackedUInt(len); 354 stream->write(name, len); 355 } 356 } 357} 358 359static void writeTypefaces(SkWStream* stream, const SkRefCntSet& rec) { 360 int count = rec.count(); 361 362 writeTagSize(stream, PICT_TYPEFACE_TAG, count); 363 364 SkAutoSTMalloc<16, SkTypeface*> storage(count); 365 SkTypeface** array = (SkTypeface**)storage.get(); 366 rec.copyToArray((SkRefCnt**)array); 367 368 for (int i = 0; i < count; i++) { 369 array[i]->serialize(stream); 370 } 371} 372 373void SkPicturePlayback::flattenToBuffer(SkOrderedWriteBuffer& buffer) const { 374 int i, n; 375 376 if ((n = SafeCount(fBitmaps)) > 0) { 377 writeTagSize(buffer, PICT_BITMAP_BUFFER_TAG, n); 378 for (i = 0; i < n; i++) { 379 buffer.writeBitmap((*fBitmaps)[i]); 380 } 381 } 382 383 if ((n = SafeCount(fMatrices)) > 0) { 384 writeTagSize(buffer, PICT_MATRIX_BUFFER_TAG, n); 385 for (i = 0; i < n; i++) { 386 buffer.writeMatrix((*fMatrices)[i]); 387 } 388 389 } 390 391 if ((n = SafeCount(fPaints)) > 0) { 392 writeTagSize(buffer, PICT_PAINT_BUFFER_TAG, n); 393 for (i = 0; i < n; i++) { 394 buffer.writePaint((*fPaints)[i]); 395 } 396 } 397 398 if ((n = SafeCount(fPathHeap.get())) > 0) { 399 writeTagSize(buffer, PICT_PATH_BUFFER_TAG, n); 400 fPathHeap->flatten(buffer); 401 } 402 403 if ((n = SafeCount(fRegions)) > 0) { 404 writeTagSize(buffer, PICT_REGION_BUFFER_TAG, n); 405 for (i = 0; i < n; i++) { 406 buffer.writeRegion((*fRegions)[i]); 407 } 408 } 409} 410 411void SkPicturePlayback::serialize(SkWStream* stream, 412 SkPicture::EncodeBitmap encoder) const { 413 writeTagSize(stream, PICT_READER_TAG, fOpData->size()); 414 stream->write(fOpData->bytes(), fOpData->size()); 415 416 if (fPictureCount > 0) { 417 writeTagSize(stream, PICT_PICTURE_TAG, fPictureCount); 418 for (int i = 0; i < fPictureCount; i++) { 419 fPictureRefs[i]->serialize(stream, encoder); 420 } 421 } 422 423 // Write some of our data into a writebuffer, and then serialize that 424 // into our stream 425 { 426 SkRefCntSet typefaceSet; 427 SkFactorySet factSet; 428 429 SkOrderedWriteBuffer buffer(1024); 430 431 buffer.setFlags(SkFlattenableWriteBuffer::kCrossProcess_Flag); 432 buffer.setTypefaceRecorder(&typefaceSet); 433 buffer.setFactoryRecorder(&factSet); 434 buffer.setBitmapEncoder(encoder); 435 436 this->flattenToBuffer(buffer); 437 438 // We have to write these to sets into the stream *before* we write 439 // the buffer, since parsing that buffer will require that we already 440 // have these sets available to use. 441 writeFactories(stream, factSet); 442 writeTypefaces(stream, typefaceSet); 443 444 writeTagSize(stream, PICT_BUFFER_SIZE_TAG, buffer.size()); 445 buffer.writeToStream(stream); 446 } 447 448 stream->write32(PICT_EOF_TAG); 449} 450 451/////////////////////////////////////////////////////////////////////////////// 452 453/** 454 * Return the corresponding SkFlattenableReadBuffer flags, given a set of 455 * SkPictInfo flags. 456 */ 457static uint32_t pictInfoFlagsToReadBufferFlags(uint32_t pictInfoFlags) { 458 static const struct { 459 uint32_t fSrc; 460 uint32_t fDst; 461 } gSD[] = { 462 { SkPictInfo::kCrossProcess_Flag, SkFlattenableReadBuffer::kCrossProcess_Flag }, 463 { SkPictInfo::kScalarIsFloat_Flag, SkFlattenableReadBuffer::kScalarIsFloat_Flag }, 464 { SkPictInfo::kPtrIs64Bit_Flag, SkFlattenableReadBuffer::kPtrIs64Bit_Flag }, 465 }; 466 467 uint32_t rbMask = 0; 468 for (size_t i = 0; i < SK_ARRAY_COUNT(gSD); ++i) { 469 if (pictInfoFlags & gSD[i].fSrc) { 470 rbMask |= gSD[i].fDst; 471 } 472 } 473 return rbMask; 474} 475 476bool SkPicturePlayback::parseStreamTag(SkStream* stream, const SkPictInfo& info, uint32_t tag, 477 size_t size, SkPicture::InstallPixelRefProc proc) { 478 /* 479 * By the time we encounter BUFFER_SIZE_TAG, we need to have already seen 480 * its dependents: FACTORY_TAG and TYPEFACE_TAG. These two are not required 481 * but if they are present, they need to have been seen before the buffer. 482 * 483 * We assert that if/when we see either of these, that we have not yet seen 484 * the buffer tag, because if we have, then its too-late to deal with the 485 * factories or typefaces. 486 */ 487 SkDEBUGCODE(bool haveBuffer = false;) 488 489 switch (tag) { 490 case PICT_READER_TAG: { 491 void* storage = sk_malloc_throw(size); 492 stream->read(storage, size); 493 SkASSERT(NULL == fOpData); 494 fOpData = SkData::NewFromMalloc(storage, size); 495 } break; 496 case PICT_FACTORY_TAG: { 497 SkASSERT(!haveBuffer); 498 fFactoryPlayback = SkNEW_ARGS(SkFactoryPlayback, (size)); 499 for (size_t i = 0; i < size; i++) { 500 SkString str; 501 int len = stream->readPackedUInt(); 502 str.resize(len); 503 stream->read(str.writable_str(), len); 504 fFactoryPlayback->base()[i] = SkFlattenable::NameToFactory(str.c_str()); 505 } 506 } break; 507 case PICT_TYPEFACE_TAG: { 508 SkASSERT(!haveBuffer); 509 fTFPlayback.setCount(size); 510 for (size_t i = 0; i < size; i++) { 511 SkSafeUnref(fTFPlayback.set(i, SkTypeface::Deserialize(stream))); 512 } 513 } break; 514 case PICT_PICTURE_TAG: { 515 fPictureCount = size; 516 fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount); 517 bool success = true; 518 int i = 0; 519 for ( ; i < fPictureCount; i++) { 520 fPictureRefs[i] = SkNEW_ARGS(SkPicture, (stream, &success, proc)); 521 if (!success) { 522 break; 523 } 524 } 525 if (!success) { 526 // Delete all of the pictures that were already created (up through i): 527 for (int j = 0; j <= i; j++) { 528 fPictureRefs[j]->unref(); 529 } 530 // Delete the array 531 SkDELETE_ARRAY(fPictureRefs); 532 fPictureCount = 0; 533 return false; 534 } 535 } break; 536 case PICT_BUFFER_SIZE_TAG: { 537 SkAutoMalloc storage(size); 538 stream->read(storage.get(), size); 539 540 SkOrderedReadBuffer buffer(storage.get(), size); 541 buffer.setFlags(pictInfoFlagsToReadBufferFlags(info.fFlags)); 542 543 fFactoryPlayback->setupBuffer(buffer); 544 fTFPlayback.setupBuffer(buffer); 545 buffer.setBitmapDecoder(proc); 546 547 while (!buffer.eof()) { 548 tag = buffer.readUInt(); 549 size = buffer.readUInt(); 550 if (!this->parseBufferTag(buffer, tag, size)) { 551 return false; 552 } 553 } 554 SkDEBUGCODE(haveBuffer = true;) 555 } break; 556 } 557 return true; // success 558} 559 560bool SkPicturePlayback::parseBufferTag(SkOrderedReadBuffer& buffer, 561 uint32_t tag, size_t size) { 562 switch (tag) { 563 case PICT_BITMAP_BUFFER_TAG: { 564 fBitmaps = SkTRefArray<SkBitmap>::Create(size); 565 for (size_t i = 0; i < size; ++i) { 566 SkBitmap* bm = &fBitmaps->writableAt(i); 567 buffer.readBitmap(bm); 568 bm->setImmutable(); 569 } 570 } break; 571 case PICT_MATRIX_BUFFER_TAG: 572 fMatrices = SkTRefArray<SkMatrix>::Create(size); 573 for (size_t i = 0; i < size; ++i) { 574 buffer.readMatrix(&fMatrices->writableAt(i)); 575 } 576 break; 577 case PICT_PAINT_BUFFER_TAG: { 578 fPaints = SkTRefArray<SkPaint>::Create(size); 579 for (size_t i = 0; i < size; ++i) { 580 buffer.readPaint(&fPaints->writableAt(i)); 581 } 582 } break; 583 case PICT_PATH_BUFFER_TAG: 584 if (size > 0) { 585 fPathHeap.reset(SkNEW_ARGS(SkPathHeap, (buffer))); 586 } 587 break; 588 case PICT_REGION_BUFFER_TAG: { 589 fRegions = SkTRefArray<SkRegion>::Create(size); 590 for (size_t i = 0; i < size; ++i) { 591 buffer.readRegion(&fRegions->writableAt(i)); 592 } 593 } break; 594 } 595 return true; // success 596} 597 598SkPicturePlayback::SkPicturePlayback(SkStream* stream, const SkPictInfo& info, bool* isValid, 599 SkPicture::InstallPixelRefProc proc) { 600 this->init(); 601 602 *isValid = false; // wait until we're done parsing to mark as true 603 for (;;) { 604 uint32_t tag = stream->readU32(); 605 if (PICT_EOF_TAG == tag) { 606 break; 607 } 608 609 uint32_t size = stream->readU32(); 610 if (!this->parseStreamTag(stream, info, tag, size, proc)) { 611 return; // we're invalid 612 } 613 } 614 *isValid = true; 615} 616 617/////////////////////////////////////////////////////////////////////////////// 618/////////////////////////////////////////////////////////////////////////////// 619 620#ifdef SPEW_CLIP_SKIPPING 621struct SkipClipRec { 622 int fCount; 623 size_t fSize; 624 625 SkipClipRec() { 626 fCount = 0; 627 fSize = 0; 628 } 629 630 void recordSkip(size_t bytes) { 631 fCount += 1; 632 fSize += bytes; 633 } 634}; 635#endif 636 637#ifdef SK_DEVELOPER 638size_t SkPicturePlayback::preDraw(size_t offset, int type) { 639 return 0; 640} 641 642void SkPicturePlayback::postDraw(size_t offset) { 643} 644#endif 645 646/* 647 * Read the next op code and chunk size from 'reader'. The returned size 648 * is the entire size of the chunk (including the opcode). Thus, the 649 * offset just prior to calling read_op_and_size + 'size' is the offset 650 * to the next chunk's op code. This also means that the size of a chunk 651 * with no arguments (just an opcode) will be 4. 652 */ 653static DrawType read_op_and_size(SkReader32* reader, uint32_t* size) { 654 uint32_t temp = reader->readInt(); 655 uint32_t op; 656 if (((uint8_t) temp) == temp) { 657 // old skp file - no size information 658 op = temp; 659 *size = 0; 660 } else { 661 UNPACK_8_24(temp, op, *size); 662 if (MASK_24 == *size) { 663 *size = reader->readInt(); 664 } 665 } 666 return (DrawType) op; 667} 668 669void SkPicturePlayback::draw(SkCanvas& canvas) { 670#ifdef ENABLE_TIME_DRAW 671 SkAutoTime at("SkPicture::draw", 50); 672#endif 673 674#ifdef SPEW_CLIP_SKIPPING 675 SkipClipRec skipRect, skipRRect, skipRegion, skipPath; 676#endif 677 678#ifdef SK_BUILD_FOR_ANDROID 679 SkAutoMutexAcquire autoMutex(fDrawMutex); 680#endif 681 682 // kDrawComplete will be the signal that we have reached the end of 683 // the command stream 684 static const uint32_t kDrawComplete = SK_MaxU32; 685 686 SkReader32 reader(fOpData->bytes(), fOpData->size()); 687 TextContainer text; 688 SkTDArray<void*> results; 689 690 if (NULL != fStateTree && NULL != fBoundingHierarchy) { 691 SkRect clipBounds; 692 if (canvas.getClipBounds(&clipBounds)) { 693 SkIRect query; 694 clipBounds.roundOut(&query); 695 fBoundingHierarchy->search(query, &results); 696 if (results.count() == 0) { 697 return; 698 } 699 SkTQSort<SkPictureStateTree::Draw>( 700 reinterpret_cast<SkPictureStateTree::Draw**>(results.begin()), 701 reinterpret_cast<SkPictureStateTree::Draw**>(results.end()-1)); 702 } 703 } 704 705 SkPictureStateTree::Iterator it = (NULL == fStateTree) ? 706 SkPictureStateTree::Iterator() : 707 fStateTree->getIterator(results, &canvas); 708 709 if (it.isValid()) { 710 uint32_t skipTo = it.draw(); 711 if (kDrawComplete == skipTo) { 712 return; 713 } 714 reader.setOffset(skipTo); 715 } 716 717 // Record this, so we can concat w/ it if we encounter a setMatrix() 718 SkMatrix initialMatrix = canvas.getTotalMatrix(); 719 720#ifdef SK_BUILD_FOR_ANDROID 721 fAbortCurrentPlayback = false; 722#endif 723 724 while (!reader.eof()) { 725#ifdef SK_BUILD_FOR_ANDROID 726 if (fAbortCurrentPlayback) { 727 return; 728 } 729#endif 730 731 size_t curOffset = reader.offset(); 732 uint32_t size; 733 DrawType op = read_op_and_size(&reader, &size); 734 if (NOOP == op) { 735 // NOOPs are to be ignored - do not propagate them any further 736 reader.setOffset(curOffset+size); 737 continue; 738 } 739 740#ifdef SK_DEVELOPER 741 // TODO: once chunk sizes are in all .skps just use "curOffset + size" 742 size_t skipTo = this->preDraw(curOffset, op); 743 if (0 != skipTo) { 744 if (kDrawComplete == skipTo) { 745 break; 746 } 747 reader.setOffset(skipTo); 748 continue; 749 } 750#endif 751 switch (op) { 752 case CLIP_PATH: { 753 const SkPath& path = getPath(reader); 754 uint32_t packed = reader.readInt(); 755 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); 756 bool doAA = ClipParams_unpackDoAA(packed); 757 size_t offsetToRestore = reader.readInt(); 758 SkASSERT(!offsetToRestore || \ 759 offsetToRestore >= reader.offset()); 760 if (!canvas.clipPath(path, regionOp, doAA) && offsetToRestore) { 761#ifdef SPEW_CLIP_SKIPPING 762 skipPath.recordSkip(offsetToRestore - reader.offset()); 763#endif 764 reader.setOffset(offsetToRestore); 765 } 766 } break; 767 case CLIP_REGION: { 768 const SkRegion& region = getRegion(reader); 769 uint32_t packed = reader.readInt(); 770 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); 771 size_t offsetToRestore = reader.readInt(); 772 SkASSERT(!offsetToRestore || \ 773 offsetToRestore >= reader.offset()); 774 if (!canvas.clipRegion(region, regionOp) && offsetToRestore) { 775#ifdef SPEW_CLIP_SKIPPING 776 skipRegion.recordSkip(offsetToRestore - reader.offset()); 777#endif 778 reader.setOffset(offsetToRestore); 779 } 780 } break; 781 case CLIP_RECT: { 782 const SkRect& rect = reader.skipT<SkRect>(); 783 uint32_t packed = reader.readInt(); 784 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); 785 bool doAA = ClipParams_unpackDoAA(packed); 786 size_t offsetToRestore = reader.readInt(); 787 SkASSERT(!offsetToRestore || \ 788 offsetToRestore >= reader.offset()); 789 if (!canvas.clipRect(rect, regionOp, doAA) && offsetToRestore) { 790#ifdef SPEW_CLIP_SKIPPING 791 skipRect.recordSkip(offsetToRestore - reader.offset()); 792#endif 793 reader.setOffset(offsetToRestore); 794 } 795 } break; 796 case CLIP_RRECT: { 797 SkRRect rrect; 798 reader.readRRect(&rrect); 799 uint32_t packed = reader.readInt(); 800 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); 801 bool doAA = ClipParams_unpackDoAA(packed); 802 size_t offsetToRestore = reader.readInt(); 803 SkASSERT(!offsetToRestore || \ 804 offsetToRestore >= reader.offset()); 805 if (!canvas.clipRRect(rrect, regionOp, doAA) && offsetToRestore) { 806#ifdef SPEW_CLIP_SKIPPING 807 skipRRect.recordSkip(offsetToRestore - reader.offset()); 808#endif 809 reader.setOffset(offsetToRestore); 810 } 811 } break; 812 case CONCAT: 813 canvas.concat(*getMatrix(reader)); 814 break; 815 case DRAW_BITMAP: { 816 const SkPaint* paint = getPaint(reader); 817 const SkBitmap& bitmap = getBitmap(reader); 818 const SkPoint& loc = reader.skipT<SkPoint>(); 819 canvas.drawBitmap(bitmap, loc.fX, loc.fY, paint); 820 } break; 821 case DRAW_BITMAP_RECT_TO_RECT: { 822 const SkPaint* paint = getPaint(reader); 823 const SkBitmap& bitmap = getBitmap(reader); 824 const SkRect* src = this->getRectPtr(reader); // may be null 825 const SkRect& dst = reader.skipT<SkRect>(); // required 826 canvas.drawBitmapRectToRect(bitmap, src, dst, paint); 827 } break; 828 case DRAW_BITMAP_MATRIX: { 829 const SkPaint* paint = getPaint(reader); 830 const SkBitmap& bitmap = getBitmap(reader); 831 const SkMatrix* matrix = getMatrix(reader); 832 canvas.drawBitmapMatrix(bitmap, *matrix, paint); 833 } break; 834 case DRAW_BITMAP_NINE: { 835 const SkPaint* paint = getPaint(reader); 836 const SkBitmap& bitmap = getBitmap(reader); 837 const SkIRect& src = reader.skipT<SkIRect>(); 838 const SkRect& dst = reader.skipT<SkRect>(); 839 canvas.drawBitmapNine(bitmap, src, dst, paint); 840 } break; 841 case DRAW_CLEAR: 842 canvas.clear(reader.readInt()); 843 break; 844 case DRAW_DATA: { 845 size_t length = reader.readInt(); 846 canvas.drawData(reader.skip(length), length); 847 // skip handles padding the read out to a multiple of 4 848 } break; 849 case DRAW_OVAL: { 850 const SkPaint& paint = *getPaint(reader); 851 canvas.drawOval(reader.skipT<SkRect>(), paint); 852 } break; 853 case DRAW_PAINT: 854 canvas.drawPaint(*getPaint(reader)); 855 break; 856 case DRAW_PATH: { 857 const SkPaint& paint = *getPaint(reader); 858 canvas.drawPath(getPath(reader), paint); 859 } break; 860 case DRAW_PICTURE: 861 canvas.drawPicture(getPicture(reader)); 862 break; 863 case DRAW_POINTS: { 864 const SkPaint& paint = *getPaint(reader); 865 SkCanvas::PointMode mode = (SkCanvas::PointMode)reader.readInt(); 866 size_t count = reader.readInt(); 867 const SkPoint* pts = (const SkPoint*)reader.skip(sizeof(SkPoint) * count); 868 canvas.drawPoints(mode, count, pts, paint); 869 } break; 870 case DRAW_POS_TEXT: { 871 const SkPaint& paint = *getPaint(reader); 872 getText(reader, &text); 873 size_t points = reader.readInt(); 874 const SkPoint* pos = (const SkPoint*)reader.skip(points * sizeof(SkPoint)); 875 canvas.drawPosText(text.text(), text.length(), pos, paint); 876 } break; 877 case DRAW_POS_TEXT_TOP_BOTTOM: { 878 const SkPaint& paint = *getPaint(reader); 879 getText(reader, &text); 880 size_t points = reader.readInt(); 881 const SkPoint* pos = (const SkPoint*)reader.skip(points * sizeof(SkPoint)); 882 const SkScalar top = reader.readScalar(); 883 const SkScalar bottom = reader.readScalar(); 884 if (!canvas.quickRejectY(top, bottom)) { 885 canvas.drawPosText(text.text(), text.length(), pos, paint); 886 } 887 } break; 888 case DRAW_POS_TEXT_H: { 889 const SkPaint& paint = *getPaint(reader); 890 getText(reader, &text); 891 size_t xCount = reader.readInt(); 892 const SkScalar constY = reader.readScalar(); 893 const SkScalar* xpos = (const SkScalar*)reader.skip(xCount * sizeof(SkScalar)); 894 canvas.drawPosTextH(text.text(), text.length(), xpos, constY, 895 paint); 896 } break; 897 case DRAW_POS_TEXT_H_TOP_BOTTOM: { 898 const SkPaint& paint = *getPaint(reader); 899 getText(reader, &text); 900 size_t xCount = reader.readInt(); 901 const SkScalar* xpos = (const SkScalar*)reader.skip((3 + xCount) * sizeof(SkScalar)); 902 const SkScalar top = *xpos++; 903 const SkScalar bottom = *xpos++; 904 const SkScalar constY = *xpos++; 905 if (!canvas.quickRejectY(top, bottom)) { 906 canvas.drawPosTextH(text.text(), text.length(), xpos, 907 constY, paint); 908 } 909 } break; 910 case DRAW_RECT: { 911 const SkPaint& paint = *getPaint(reader); 912 canvas.drawRect(reader.skipT<SkRect>(), paint); 913 } break; 914 case DRAW_RRECT: { 915 const SkPaint& paint = *getPaint(reader); 916 SkRRect rrect; 917 canvas.drawRRect(*reader.readRRect(&rrect), paint); 918 } break; 919 case DRAW_SPRITE: { 920 const SkPaint* paint = getPaint(reader); 921 const SkBitmap& bitmap = getBitmap(reader); 922 int left = reader.readInt(); 923 int top = reader.readInt(); 924 canvas.drawSprite(bitmap, left, top, paint); 925 } break; 926 case DRAW_TEXT: { 927 const SkPaint& paint = *getPaint(reader); 928 getText(reader, &text); 929 SkScalar x = reader.readScalar(); 930 SkScalar y = reader.readScalar(); 931 canvas.drawText(text.text(), text.length(), x, y, paint); 932 } break; 933 case DRAW_TEXT_TOP_BOTTOM: { 934 const SkPaint& paint = *getPaint(reader); 935 getText(reader, &text); 936 const SkScalar* ptr = (const SkScalar*)reader.skip(4 * sizeof(SkScalar)); 937 // ptr[0] == x 938 // ptr[1] == y 939 // ptr[2] == top 940 // ptr[3] == bottom 941 if (!canvas.quickRejectY(ptr[2], ptr[3])) { 942 canvas.drawText(text.text(), text.length(), ptr[0], ptr[1], 943 paint); 944 } 945 } break; 946 case DRAW_TEXT_ON_PATH: { 947 const SkPaint& paint = *getPaint(reader); 948 getText(reader, &text); 949 const SkPath& path = getPath(reader); 950 const SkMatrix* matrix = getMatrix(reader); 951 canvas.drawTextOnPath(text.text(), text.length(), path, 952 matrix, paint); 953 } break; 954 case DRAW_VERTICES: { 955 const SkPaint& paint = *getPaint(reader); 956 DrawVertexFlags flags = (DrawVertexFlags)reader.readInt(); 957 SkCanvas::VertexMode vmode = (SkCanvas::VertexMode)reader.readInt(); 958 int vCount = reader.readInt(); 959 const SkPoint* verts = (const SkPoint*)reader.skip( 960 vCount * sizeof(SkPoint)); 961 const SkPoint* texs = NULL; 962 const SkColor* colors = NULL; 963 const uint16_t* indices = NULL; 964 int iCount = 0; 965 if (flags & DRAW_VERTICES_HAS_TEXS) { 966 texs = (const SkPoint*)reader.skip( 967 vCount * sizeof(SkPoint)); 968 } 969 if (flags & DRAW_VERTICES_HAS_COLORS) { 970 colors = (const SkColor*)reader.skip( 971 vCount * sizeof(SkColor)); 972 } 973 if (flags & DRAW_VERTICES_HAS_INDICES) { 974 iCount = reader.readInt(); 975 indices = (const uint16_t*)reader.skip( 976 iCount * sizeof(uint16_t)); 977 } 978 canvas.drawVertices(vmode, vCount, verts, texs, colors, NULL, 979 indices, iCount, paint); 980 } break; 981 case RESTORE: 982 canvas.restore(); 983 break; 984 case ROTATE: 985 canvas.rotate(reader.readScalar()); 986 break; 987 case SAVE: 988 canvas.save((SkCanvas::SaveFlags) reader.readInt()); 989 break; 990 case SAVE_LAYER: { 991 const SkRect* boundsPtr = getRectPtr(reader); 992 const SkPaint* paint = getPaint(reader); 993 canvas.saveLayer(boundsPtr, paint, (SkCanvas::SaveFlags) reader.readInt()); 994 } break; 995 case SCALE: { 996 SkScalar sx = reader.readScalar(); 997 SkScalar sy = reader.readScalar(); 998 canvas.scale(sx, sy); 999 } break; 1000 case SET_MATRIX: { 1001 SkMatrix matrix; 1002 matrix.setConcat(initialMatrix, *getMatrix(reader)); 1003 canvas.setMatrix(matrix); 1004 } break; 1005 case SKEW: { 1006 SkScalar sx = reader.readScalar(); 1007 SkScalar sy = reader.readScalar(); 1008 canvas.skew(sx, sy); 1009 } break; 1010 case TRANSLATE: { 1011 SkScalar dx = reader.readScalar(); 1012 SkScalar dy = reader.readScalar(); 1013 canvas.translate(dx, dy); 1014 } break; 1015 default: 1016 SkASSERT(0); 1017 } 1018 1019#ifdef SK_DEVELOPER 1020 this->postDraw(curOffset); 1021#endif 1022 1023 if (it.isValid()) { 1024 uint32_t skipTo = it.draw(); 1025 if (kDrawComplete == skipTo) { 1026 break; 1027 } 1028 reader.setOffset(skipTo); 1029 } 1030 } 1031 1032#ifdef SPEW_CLIP_SKIPPING 1033 { 1034 size_t size = skipRect.fSize + skipRRect.fSize + skipPath.fSize + skipRegion.fSize; 1035 SkDebugf("--- Clip skips %d%% rect:%d rrect:%d path:%d rgn:%d\n", 1036 size * 100 / reader.offset(), skipRect.fCount, skipRRect.fCount, 1037 skipPath.fCount, skipRegion.fCount); 1038 } 1039#endif 1040// this->dumpSize(); 1041} 1042 1043/////////////////////////////////////////////////////////////////////////////// 1044 1045#ifdef SK_DEBUG_SIZE 1046int SkPicturePlayback::size(size_t* sizePtr) { 1047 int objects = bitmaps(sizePtr); 1048 objects += paints(sizePtr); 1049 objects += paths(sizePtr); 1050 objects += pictures(sizePtr); 1051 objects += regions(sizePtr); 1052 *sizePtr = fOpData.size(); 1053 return objects; 1054} 1055 1056int SkPicturePlayback::bitmaps(size_t* size) { 1057 size_t result = 0; 1058 for (int index = 0; index < fBitmapCount; index++) { 1059 // const SkBitmap& bitmap = fBitmaps[index]; 1060 result += sizeof(SkBitmap); // bitmap->size(); 1061 } 1062 *size = result; 1063 return fBitmapCount; 1064} 1065 1066int SkPicturePlayback::paints(size_t* size) { 1067 size_t result = 0; 1068 for (int index = 0; index < fPaintCount; index++) { 1069 // const SkPaint& paint = fPaints[index]; 1070 result += sizeof(SkPaint); // paint->size(); 1071 } 1072 *size = result; 1073 return fPaintCount; 1074} 1075 1076int SkPicturePlayback::paths(size_t* size) { 1077 size_t result = 0; 1078 for (int index = 0; index < fPathCount; index++) { 1079 const SkPath& path = fPaths[index]; 1080 result += path.flatten(NULL); 1081 } 1082 *size = result; 1083 return fPathCount; 1084} 1085 1086int SkPicturePlayback::regions(size_t* size) { 1087 size_t result = 0; 1088 for (int index = 0; index < fRegionCount; index++) { 1089 // const SkRegion& region = fRegions[index]; 1090 result += sizeof(SkRegion); // region->size(); 1091 } 1092 *size = result; 1093 return fRegionCount; 1094} 1095#endif 1096 1097#ifdef SK_DEBUG_DUMP 1098void SkPicturePlayback::dumpBitmap(const SkBitmap& bitmap) const { 1099 char pBuffer[DUMP_BUFFER_SIZE]; 1100 char* bufferPtr = pBuffer; 1101 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1102 "BitmapData bitmap%p = {", &bitmap); 1103 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1104 "{kWidth, %d}, ", bitmap.width()); 1105 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1106 "{kHeight, %d}, ", bitmap.height()); 1107 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1108 "{kRowBytes, %d}, ", bitmap.rowBytes()); 1109// start here; 1110 SkDebugf("%s{0}};\n", pBuffer); 1111} 1112 1113void dumpMatrix(const SkMatrix& matrix) const { 1114 SkMatrix defaultMatrix; 1115 defaultMatrix.reset(); 1116 char pBuffer[DUMP_BUFFER_SIZE]; 1117 char* bufferPtr = pBuffer; 1118 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1119 "MatrixData matrix%p = {", &matrix); 1120 SkScalar scaleX = matrix.getScaleX(); 1121 if (scaleX != defaultMatrix.getScaleX()) 1122 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1123 "{kScaleX, %g}, ", SkScalarToFloat(scaleX)); 1124 SkScalar scaleY = matrix.getScaleY(); 1125 if (scaleY != defaultMatrix.getScaleY()) 1126 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1127 "{kScaleY, %g}, ", SkScalarToFloat(scaleY)); 1128 SkScalar skewX = matrix.getSkewX(); 1129 if (skewX != defaultMatrix.getSkewX()) 1130 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1131 "{kSkewX, %g}, ", SkScalarToFloat(skewX)); 1132 SkScalar skewY = matrix.getSkewY(); 1133 if (skewY != defaultMatrix.getSkewY()) 1134 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1135 "{kSkewY, %g}, ", SkScalarToFloat(skewY)); 1136 SkScalar translateX = matrix.getTranslateX(); 1137 if (translateX != defaultMatrix.getTranslateX()) 1138 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1139 "{kTranslateX, %g}, ", SkScalarToFloat(translateX)); 1140 SkScalar translateY = matrix.getTranslateY(); 1141 if (translateY != defaultMatrix.getTranslateY()) 1142 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1143 "{kTranslateY, %g}, ", SkScalarToFloat(translateY)); 1144 SkScalar perspX = matrix.getPerspX(); 1145 if (perspX != defaultMatrix.getPerspX()) 1146 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1147 "{kPerspX, %g}, ", SkFractToFloat(perspX)); 1148 SkScalar perspY = matrix.getPerspY(); 1149 if (perspY != defaultMatrix.getPerspY()) 1150 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1151 "{kPerspY, %g}, ", SkFractToFloat(perspY)); 1152 SkDebugf("%s{0}};\n", pBuffer); 1153} 1154 1155void dumpPaint(const SkPaint& paint) const { 1156 SkPaint defaultPaint; 1157 char pBuffer[DUMP_BUFFER_SIZE]; 1158 char* bufferPtr = pBuffer; 1159 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1160 "PaintPointers paintPtrs%p = {", &paint); 1161 const SkTypeface* typeface = paint.getTypeface(); 1162 if (typeface != defaultPaint.getTypeface()) 1163 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1164 "{kTypeface, %p}, ", typeface); 1165 const SkPathEffect* pathEffect = paint.getPathEffect(); 1166 if (pathEffect != defaultPaint.getPathEffect()) 1167 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1168 "{kPathEffect, %p}, ", pathEffect); 1169 const SkShader* shader = paint.getShader(); 1170 if (shader != defaultPaint.getShader()) 1171 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1172 "{kShader, %p}, ", shader); 1173 const SkXfermode* xfermode = paint.getXfermode(); 1174 if (xfermode != defaultPaint.getXfermode()) 1175 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1176 "{kXfermode, %p}, ", xfermode); 1177 const SkMaskFilter* maskFilter = paint.getMaskFilter(); 1178 if (maskFilter != defaultPaint.getMaskFilter()) 1179 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1180 "{kMaskFilter, %p}, ", maskFilter); 1181 const SkColorFilter* colorFilter = paint.getColorFilter(); 1182 if (colorFilter != defaultPaint.getColorFilter()) 1183 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1184 "{kColorFilter, %p}, ", colorFilter); 1185 const SkRasterizer* rasterizer = paint.getRasterizer(); 1186 if (rasterizer != defaultPaint.getRasterizer()) 1187 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1188 "{kRasterizer, %p}, ", rasterizer); 1189 const SkDrawLooper* drawLooper = paint.getLooper(); 1190 if (drawLooper != defaultPaint.getLooper()) 1191 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1192 "{kDrawLooper, %p}, ", drawLooper); 1193 SkDebugf("%s{0}};\n", pBuffer); 1194 bufferPtr = pBuffer; 1195 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1196 "PaintScalars paintScalars%p = {", &paint); 1197 SkScalar textSize = paint.getTextSize(); 1198 if (textSize != defaultPaint.getTextSize()) 1199 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1200 "{kTextSize, %g}, ", SkScalarToFloat(textSize)); 1201 SkScalar textScaleX = paint.getTextScaleX(); 1202 if (textScaleX != defaultPaint.getTextScaleX()) 1203 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1204 "{kTextScaleX, %g}, ", SkScalarToFloat(textScaleX)); 1205 SkScalar textSkewX = paint.getTextSkewX(); 1206 if (textSkewX != defaultPaint.getTextSkewX()) 1207 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1208 "{kTextSkewX, %g}, ", SkScalarToFloat(textSkewX)); 1209 SkScalar strokeWidth = paint.getStrokeWidth(); 1210 if (strokeWidth != defaultPaint.getStrokeWidth()) 1211 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1212 "{kStrokeWidth, %g}, ", SkScalarToFloat(strokeWidth)); 1213 SkScalar strokeMiter = paint.getStrokeMiter(); 1214 if (strokeMiter != defaultPaint.getStrokeMiter()) 1215 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1216 "{kStrokeMiter, %g}, ", SkScalarToFloat(strokeMiter)); 1217 SkDebugf("%s{0}};\n", pBuffer); 1218 bufferPtr = pBuffer; 1219 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1220 "PaintInts = paintInts%p = {", &paint); 1221 unsigned color = paint.getColor(); 1222 if (color != defaultPaint.getColor()) 1223 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1224 "{kColor, 0x%x}, ", color); 1225 unsigned flags = paint.getFlags(); 1226 if (flags != defaultPaint.getFlags()) 1227 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1228 "{kFlags, 0x%x}, ", flags); 1229 int align = paint.getTextAlign(); 1230 if (align != defaultPaint.getTextAlign()) 1231 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1232 "{kAlign, 0x%x}, ", align); 1233 int strokeCap = paint.getStrokeCap(); 1234 if (strokeCap != defaultPaint.getStrokeCap()) 1235 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1236 "{kStrokeCap, 0x%x}, ", strokeCap); 1237 int strokeJoin = paint.getStrokeJoin(); 1238 if (strokeJoin != defaultPaint.getStrokeJoin()) 1239 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1240 "{kAlign, 0x%x}, ", strokeJoin); 1241 int style = paint.getStyle(); 1242 if (style != defaultPaint.getStyle()) 1243 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1244 "{kStyle, 0x%x}, ", style); 1245 int textEncoding = paint.getTextEncoding(); 1246 if (textEncoding != defaultPaint.getTextEncoding()) 1247 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1248 "{kTextEncoding, 0x%x}, ", textEncoding); 1249 SkDebugf("%s{0}};\n", pBuffer); 1250 1251 SkDebugf("PaintData paint%p = {paintPtrs%p, paintScalars%p, paintInts%p};\n", 1252 &paint, &paint, &paint, &paint); 1253} 1254 1255void SkPicturePlayback::dumpPath(const SkPath& path) const { 1256 SkDebugf("path dump unimplemented\n"); 1257} 1258 1259void SkPicturePlayback::dumpPicture(const SkPicture& picture) const { 1260 SkDebugf("picture dump unimplemented\n"); 1261} 1262 1263void SkPicturePlayback::dumpRegion(const SkRegion& region) const { 1264 SkDebugf("region dump unimplemented\n"); 1265} 1266 1267int SkPicturePlayback::dumpDrawType(char* bufferPtr, char* buffer, DrawType drawType) { 1268 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1269 "k%s, ", DrawTypeToString(drawType)); 1270} 1271 1272int SkPicturePlayback::dumpInt(char* bufferPtr, char* buffer, char* name) { 1273 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1274 "%s:%d, ", name, getInt()); 1275} 1276 1277int SkPicturePlayback::dumpRect(char* bufferPtr, char* buffer, char* name) { 1278 const SkRect* rect = fReader.skipRect(); 1279 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1280 "%s:{l:%g t:%g r:%g b:%g}, ", name, SkScalarToFloat(rect.fLeft), 1281 SkScalarToFloat(rect.fTop), 1282 SkScalarToFloat(rect.fRight), SkScalarToFloat(rect.fBottom)); 1283} 1284 1285int SkPicturePlayback::dumpPoint(char* bufferPtr, char* buffer, char* name) { 1286 SkPoint pt; 1287 getPoint(&pt); 1288 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1289 "%s:{x:%g y:%g}, ", name, SkScalarToFloat(pt.fX), 1290 SkScalarToFloat(pt.fY)); 1291} 1292 1293void SkPicturePlayback::dumpPointArray(char** bufferPtrPtr, char* buffer, int count) { 1294 char* bufferPtr = *bufferPtrPtr; 1295 const SkPoint* pts = (const SkPoint*)fReadStream.getAtPos(); 1296 fReadStream.skip(sizeof(SkPoint) * count); 1297 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1298 "count:%d {", count); 1299 for (int index = 0; index < count; index++) 1300 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1301 "{x:%g y:%g}, ", SkScalarToFloat(pts[index].fX), 1302 SkScalarToFloat(pts[index].fY)); 1303 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1304 "} "); 1305 *bufferPtrPtr = bufferPtr; 1306} 1307 1308int SkPicturePlayback::dumpPtr(char* bufferPtr, char* buffer, char* name, void* ptr) { 1309 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1310 "%s:%p, ", name, ptr); 1311} 1312 1313int SkPicturePlayback::dumpRectPtr(char* bufferPtr, char* buffer, char* name) { 1314 char result; 1315 fReadStream.read(&result, sizeof(result)); 1316 if (result) 1317 return dumpRect(bufferPtr, buffer, name); 1318 else 1319 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1320 "%s:NULL, ", name); 1321} 1322 1323int SkPicturePlayback::dumpScalar(char* bufferPtr, char* buffer, char* name) { 1324 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1325 "%s:%d, ", name, getScalar()); 1326} 1327 1328void SkPicturePlayback::dumpText(char** bufferPtrPtr, char* buffer) { 1329 char* bufferPtr = *bufferPtrPtr; 1330 int length = getInt(); 1331 bufferPtr += dumpDrawType(bufferPtr, buffer); 1332 fReadStream.skipToAlign4(); 1333 char* text = (char*) fReadStream.getAtPos(); 1334 fReadStream.skip(length); 1335 bufferPtr += dumpInt(bufferPtr, buffer, "length"); 1336 int limit = DUMP_BUFFER_SIZE - (bufferPtr - buffer) - 2; 1337 length >>= 1; 1338 if (limit > length) 1339 limit = length; 1340 if (limit > 0) { 1341 *bufferPtr++ = '"'; 1342 for (int index = 0; index < limit; index++) { 1343 *bufferPtr++ = *(unsigned short*) text; 1344 text += sizeof(unsigned short); 1345 } 1346 *bufferPtr++ = '"'; 1347 } 1348 *bufferPtrPtr = bufferPtr; 1349} 1350 1351#define DUMP_DRAWTYPE(drawType) \ 1352 bufferPtr += dumpDrawType(bufferPtr, buffer, drawType) 1353 1354#define DUMP_INT(name) \ 1355 bufferPtr += dumpInt(bufferPtr, buffer, #name) 1356 1357#define DUMP_RECT_PTR(name) \ 1358 bufferPtr += dumpRectPtr(bufferPtr, buffer, #name) 1359 1360#define DUMP_POINT(name) \ 1361 bufferPtr += dumpRect(bufferPtr, buffer, #name) 1362 1363#define DUMP_RECT(name) \ 1364 bufferPtr += dumpRect(bufferPtr, buffer, #name) 1365 1366#define DUMP_POINT_ARRAY(count) \ 1367 dumpPointArray(&bufferPtr, buffer, count) 1368 1369#define DUMP_PTR(name, ptr) \ 1370 bufferPtr += dumpPtr(bufferPtr, buffer, #name, (void*) ptr) 1371 1372#define DUMP_SCALAR(name) \ 1373 bufferPtr += dumpScalar(bufferPtr, buffer, #name) 1374 1375#define DUMP_TEXT() \ 1376 dumpText(&bufferPtr, buffer) 1377 1378void SkPicturePlayback::dumpStream() { 1379 SkDebugf("RecordStream stream = {\n"); 1380 DrawType drawType; 1381 TextContainer text; 1382 fReadStream.rewind(); 1383 char buffer[DUMP_BUFFER_SIZE], * bufferPtr; 1384 while (fReadStream.read(&drawType, sizeof(drawType))) { 1385 bufferPtr = buffer; 1386 DUMP_DRAWTYPE(drawType); 1387 switch (drawType) { 1388 case CLIP_PATH: { 1389 DUMP_PTR(SkPath, &getPath()); 1390 DUMP_INT(SkRegion::Op); 1391 DUMP_INT(offsetToRestore); 1392 } break; 1393 case CLIP_REGION: { 1394 DUMP_PTR(SkRegion, &getRegion()); 1395 DUMP_INT(SkRegion::Op); 1396 DUMP_INT(offsetToRestore); 1397 } break; 1398 case CLIP_RECT: { 1399 DUMP_RECT(rect); 1400 DUMP_INT(SkRegion::Op); 1401 DUMP_INT(offsetToRestore); 1402 } break; 1403 case CONCAT: 1404 DUMP_PTR(SkMatrix, getMatrix()); 1405 break; 1406 case DRAW_BITMAP: { 1407 DUMP_PTR(SkPaint, getPaint()); 1408 DUMP_PTR(SkBitmap, &getBitmap()); 1409 DUMP_SCALAR(left); 1410 DUMP_SCALAR(top); 1411 } break; 1412 case DRAW_PAINT: 1413 DUMP_PTR(SkPaint, getPaint()); 1414 break; 1415 case DRAW_PATH: { 1416 DUMP_PTR(SkPaint, getPaint()); 1417 DUMP_PTR(SkPath, &getPath()); 1418 } break; 1419 case DRAW_PICTURE: { 1420 DUMP_PTR(SkPicture, &getPicture()); 1421 } break; 1422 case DRAW_POINTS: { 1423 DUMP_PTR(SkPaint, getPaint()); 1424 (void)getInt(); // PointMode 1425 size_t count = getInt(); 1426 fReadStream.skipToAlign4(); 1427 DUMP_POINT_ARRAY(count); 1428 } break; 1429 case DRAW_POS_TEXT: { 1430 DUMP_PTR(SkPaint, getPaint()); 1431 DUMP_TEXT(); 1432 size_t points = getInt(); 1433 fReadStream.skipToAlign4(); 1434 DUMP_POINT_ARRAY(points); 1435 } break; 1436 case DRAW_POS_TEXT_H: { 1437 DUMP_PTR(SkPaint, getPaint()); 1438 DUMP_TEXT(); 1439 size_t points = getInt(); 1440 fReadStream.skipToAlign4(); 1441 DUMP_SCALAR(top); 1442 DUMP_SCALAR(bottom); 1443 DUMP_SCALAR(constY); 1444 DUMP_POINT_ARRAY(points); 1445 } break; 1446 case DRAW_RECT: { 1447 DUMP_PTR(SkPaint, getPaint()); 1448 DUMP_RECT(rect); 1449 } break; 1450 case DRAW_SPRITE: { 1451 DUMP_PTR(SkPaint, getPaint()); 1452 DUMP_PTR(SkBitmap, &getBitmap()); 1453 DUMP_SCALAR(left); 1454 DUMP_SCALAR(top); 1455 } break; 1456 case DRAW_TEXT: { 1457 DUMP_PTR(SkPaint, getPaint()); 1458 DUMP_TEXT(); 1459 DUMP_SCALAR(x); 1460 DUMP_SCALAR(y); 1461 } break; 1462 case DRAW_TEXT_ON_PATH: { 1463 DUMP_PTR(SkPaint, getPaint()); 1464 DUMP_TEXT(); 1465 DUMP_PTR(SkPath, &getPath()); 1466 DUMP_PTR(SkMatrix, getMatrix()); 1467 } break; 1468 case RESTORE: 1469 break; 1470 case ROTATE: 1471 DUMP_SCALAR(rotate); 1472 break; 1473 case SAVE: 1474 DUMP_INT(SkCanvas::SaveFlags); 1475 break; 1476 case SAVE_LAYER: { 1477 DUMP_RECT_PTR(layer); 1478 DUMP_PTR(SkPaint, getPaint()); 1479 DUMP_INT(SkCanvas::SaveFlags); 1480 } break; 1481 case SCALE: { 1482 DUMP_SCALAR(sx); 1483 DUMP_SCALAR(sy); 1484 } break; 1485 case SKEW: { 1486 DUMP_SCALAR(sx); 1487 DUMP_SCALAR(sy); 1488 } break; 1489 case TRANSLATE: { 1490 DUMP_SCALAR(dx); 1491 DUMP_SCALAR(dy); 1492 } break; 1493 default: 1494 SkASSERT(0); 1495 } 1496 SkDebugf("%s\n", buffer); 1497 } 1498} 1499 1500void SkPicturePlayback::dump() const { 1501 char pBuffer[DUMP_BUFFER_SIZE]; 1502 char* bufferPtr = pBuffer; 1503 int index; 1504 if (fBitmapCount > 0) 1505 SkDebugf("// bitmaps (%d)\n", fBitmapCount); 1506 for (index = 0; index < fBitmapCount; index++) { 1507 const SkBitmap& bitmap = fBitmaps[index]; 1508 dumpBitmap(bitmap); 1509 } 1510 if (fBitmapCount > 0) 1511 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1512 "Bitmaps bitmaps = {"); 1513 for (index = 0; index < fBitmapCount; index++) 1514 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1515 "bitmap%p, ", &fBitmaps[index]); 1516 if (fBitmapCount > 0) 1517 SkDebugf("%s0};\n", pBuffer); 1518 1519 if (fMatrixCount > 0) 1520 SkDebugf("// matrices (%d)\n", fMatrixCount); 1521 for (index = 0; index < fMatrixCount; index++) { 1522 const SkMatrix& matrix = fMatrices[index]; 1523 dumpMatrix(matrix); 1524 } 1525 bufferPtr = pBuffer; 1526 if (fMatrixCount > 0) 1527 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1528 "Matrices matrices = {"); 1529 for (index = 0; index < fMatrixCount; index++) 1530 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1531 "matrix%p, ", &fMatrices[index]); 1532 if (fMatrixCount > 0) 1533 SkDebugf("%s0};\n", pBuffer); 1534 1535 if (fPaintCount > 0) 1536 SkDebugf("// paints (%d)\n", fPaintCount); 1537 for (index = 0; index < fPaintCount; index++) { 1538 const SkPaint& paint = fPaints[index]; 1539 dumpPaint(paint); 1540 } 1541 bufferPtr = pBuffer; 1542 if (fPaintCount > 0) 1543 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1544 "Paints paints = {"); 1545 for (index = 0; index < fPaintCount; index++) 1546 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1547 "paint%p, ", &fPaints[index]); 1548 if (fPaintCount > 0) 1549 SkDebugf("%s0};\n", pBuffer); 1550 1551 for (index = 0; index < fPathCount; index++) { 1552 const SkPath& path = fPaths[index]; 1553 dumpPath(path); 1554 } 1555 bufferPtr = pBuffer; 1556 if (fPathCount > 0) 1557 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1558 "Paths paths = {"); 1559 for (index = 0; index < fPathCount; index++) 1560 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1561 "path%p, ", &fPaths[index]); 1562 if (fPathCount > 0) 1563 SkDebugf("%s0};\n", pBuffer); 1564 1565 for (index = 0; index < fPictureCount; index++) { 1566 dumpPicture(*fPictureRefs[index]); 1567 } 1568 bufferPtr = pBuffer; 1569 if (fPictureCount > 0) 1570 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1571 "Pictures pictures = {"); 1572 for (index = 0; index < fPictureCount; index++) 1573 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1574 "picture%p, ", fPictureRefs[index]); 1575 if (fPictureCount > 0) 1576 SkDebugf("%s0};\n", pBuffer); 1577 1578 for (index = 0; index < fRegionCount; index++) { 1579 const SkRegion& region = fRegions[index]; 1580 dumpRegion(region); 1581 } 1582 bufferPtr = pBuffer; 1583 if (fRegionCount > 0) 1584 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1585 "Regions regions = {"); 1586 for (index = 0; index < fRegionCount; index++) 1587 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1588 "region%p, ", &fRegions[index]); 1589 if (fRegionCount > 0) 1590 SkDebugf("%s0};\n", pBuffer); 1591 1592 const_cast<SkPicturePlayback*>(this)->dumpStream(); 1593} 1594 1595#endif 1596