SkPicturePlayback.cpp revision 8b0e8ac5f582de80356019406e2975079bf0829d
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 "SkReadBuffer.h" 12#include "SkWriteBuffer.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().bytesWritten(), 0); 70 const SkWriter32& writer = record.writeStream(); 71 init(); 72 if (writer.bytesWritten() == 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.bytesWritten(); 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 fPaints = record.fPaints.unflattenToArray(); 100 101 fBitmapHeap.reset(SkSafeRef(record.fBitmapHeap)); 102 fPathHeap.reset(SkSafeRef(record.fPathHeap)); 103 104 // ensure that the paths bounds are pre-computed 105 if (fPathHeap.get()) { 106 for (int i = 0; i < fPathHeap->count(); i++) { 107 (*fPathHeap)[i].updateBoundsCache(); 108 } 109 } 110 111 const SkTDArray<SkPicture* >& pictures = record.getPictureRefs(); 112 fPictureCount = pictures.count(); 113 if (fPictureCount > 0) { 114 fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount); 115 for (int i = 0; i < fPictureCount; i++) { 116 if (deepCopy) { 117 fPictureRefs[i] = pictures[i]->clone(); 118 } else { 119 fPictureRefs[i] = pictures[i]; 120 fPictureRefs[i]->ref(); 121 } 122 } 123 } 124 125#ifdef SK_DEBUG_SIZE 126 int overall = fPlayback->size(&overallBytes); 127 bitmaps = fPlayback->bitmaps(&bitmapBytes); 128 paints = fPlayback->paints(&paintBytes); 129 paths = fPlayback->paths(&pathBytes); 130 pictures = fPlayback->pictures(&pictureBytes); 131 regions = fPlayback->regions(®ionBytes); 132 SkDebugf("playback size %zd (objects:%d) ", overallBytes, overall); 133 if (bitmaps != 0) 134 SkDebugf("bitmaps size %zd (bitmaps:%d) ", bitmapBytes, bitmaps); 135 if (paints != 0) 136 SkDebugf("paints size %zd (paints:%d) ", paintBytes, paints); 137 if (paths != 0) 138 SkDebugf("paths size %zd (paths:%d) ", pathBytes, paths); 139 if (pictures != 0) 140 SkDebugf("pictures size %zd (pictures:%d) ", pictureBytes, pictures); 141 if (regions != 0) 142 SkDebugf("regions size %zd (regions:%d) ", regionBytes, regions); 143 SkDebugf("\n"); 144#endif 145} 146 147static bool needs_deep_copy(const SkPaint& paint) { 148 /* 149 * These fields are known to be immutable, and so can be shallow-copied 150 * 151 * getTypeface() 152 * getAnnotation() 153 * paint.getColorFilter() 154 * getXfermode() 155 */ 156 157 return paint.getPathEffect() || 158 paint.getShader() || 159 paint.getMaskFilter() || 160 paint.getRasterizer() || 161 paint.getLooper() || 162 paint.getImageFilter(); 163} 164 165SkPicturePlayback::SkPicturePlayback(const SkPicturePlayback& src, SkPictCopyInfo* deepCopyInfo) { 166 this->init(); 167 168 fBitmapHeap.reset(SkSafeRef(src.fBitmapHeap.get())); 169 fPathHeap.reset(SkSafeRef(src.fPathHeap.get())); 170 171 fOpData = SkSafeRef(src.fOpData); 172 173 fBoundingHierarchy = src.fBoundingHierarchy; 174 fStateTree = src.fStateTree; 175 176 SkSafeRef(fBoundingHierarchy); 177 SkSafeRef(fStateTree); 178 179 if (deepCopyInfo) { 180 int paintCount = SafeCount(src.fPaints); 181 182 if (src.fBitmaps) { 183 fBitmaps = SkTRefArray<SkBitmap>::Create(src.fBitmaps->begin(), src.fBitmaps->count()); 184 } 185 186 if (!deepCopyInfo->initialized) { 187 /* The alternative to doing this is to have a clone method on the paint and have it make 188 * the deep copy of its internal structures as needed. The holdup to doing that is at 189 * this point we would need to pass the SkBitmapHeap so that we don't unnecessarily 190 * flatten the pixels in a bitmap shader. 191 */ 192 deepCopyInfo->paintData.setCount(paintCount); 193 194 /* Use an SkBitmapHeap to avoid flattening bitmaps in shaders. If there already is one, 195 * use it. If this SkPicturePlayback was created from a stream, fBitmapHeap will be 196 * NULL, so create a new one. 197 */ 198 if (fBitmapHeap.get() == NULL) { 199 // FIXME: Put this on the stack inside SkPicture::clone. Further, is it possible to 200 // do the rest of this initialization in SkPicture::clone as well? 201 SkBitmapHeap* heap = SkNEW(SkBitmapHeap); 202 deepCopyInfo->controller.setBitmapStorage(heap); 203 heap->unref(); 204 } else { 205 deepCopyInfo->controller.setBitmapStorage(fBitmapHeap); 206 } 207 208 SkDEBUGCODE(int heapSize = SafeCount(fBitmapHeap.get());) 209 for (int i = 0; i < paintCount; i++) { 210 if (needs_deep_copy(src.fPaints->at(i))) { 211 deepCopyInfo->paintData[i] = 212 SkFlatData::Create<SkPaintTraits>(&deepCopyInfo->controller, 213 src.fPaints->at(i), 0); 214 215 } else { 216 // this is our sentinel, which we use in the unflatten loop 217 deepCopyInfo->paintData[i] = NULL; 218 } 219 } 220 SkASSERT(SafeCount(fBitmapHeap.get()) == heapSize); 221 222 // needed to create typeface playback 223 deepCopyInfo->controller.setupPlaybacks(); 224 deepCopyInfo->initialized = true; 225 } 226 227 fPaints = SkTRefArray<SkPaint>::Create(paintCount); 228 SkASSERT(deepCopyInfo->paintData.count() == paintCount); 229 SkBitmapHeap* bmHeap = deepCopyInfo->controller.getBitmapHeap(); 230 SkTypefacePlayback* tfPlayback = deepCopyInfo->controller.getTypefacePlayback(); 231 for (int i = 0; i < paintCount; i++) { 232 if (deepCopyInfo->paintData[i]) { 233 deepCopyInfo->paintData[i]->unflatten<SkPaintTraits>(&fPaints->writableAt(i), 234 bmHeap, tfPlayback); 235 } else { 236 // needs_deep_copy was false, so just need to assign 237 fPaints->writableAt(i) = src.fPaints->at(i); 238 } 239 } 240 241 } else { 242 fBitmaps = SkSafeRef(src.fBitmaps); 243 fPaints = SkSafeRef(src.fPaints); 244 } 245 246 fPictureCount = src.fPictureCount; 247 fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount); 248 for (int i = 0; i < fPictureCount; i++) { 249 if (deepCopyInfo) { 250 fPictureRefs[i] = src.fPictureRefs[i]->clone(); 251 } else { 252 fPictureRefs[i] = src.fPictureRefs[i]; 253 fPictureRefs[i]->ref(); 254 } 255 } 256} 257 258void SkPicturePlayback::init() { 259 fBitmaps = NULL; 260 fPaints = NULL; 261 fPictureRefs = NULL; 262 fPictureCount = 0; 263 fOpData = NULL; 264 fFactoryPlayback = NULL; 265 fBoundingHierarchy = NULL; 266 fStateTree = NULL; 267} 268 269SkPicturePlayback::~SkPicturePlayback() { 270 fOpData->unref(); 271 272 SkSafeUnref(fBitmaps); 273 SkSafeUnref(fPaints); 274 SkSafeUnref(fBoundingHierarchy); 275 SkSafeUnref(fStateTree); 276 277 for (int i = 0; i < fPictureCount; i++) { 278 fPictureRefs[i]->unref(); 279 } 280 SkDELETE_ARRAY(fPictureRefs); 281 282 SkDELETE(fFactoryPlayback); 283} 284 285void SkPicturePlayback::dumpSize() const { 286 SkDebugf("--- picture size: ops=%d bitmaps=%d [%d] paints=%d [%d] paths=%d\n", 287 fOpData->size(), 288 SafeCount(fBitmaps), SafeCount(fBitmaps) * sizeof(SkBitmap), 289 SafeCount(fPaints), SafeCount(fPaints) * sizeof(SkPaint), 290 SafeCount(fPathHeap.get())); 291} 292 293bool SkPicturePlayback::containsBitmaps() const { 294 if (fBitmaps && fBitmaps->count() > 0) { 295 return true; 296 } 297 for (int i = 0; i < fPictureCount; ++i) { 298 if (fPictureRefs[i]->willPlayBackBitmaps()) { 299 return true; 300 } 301 } 302 return false; 303} 304 305/////////////////////////////////////////////////////////////////////////////// 306/////////////////////////////////////////////////////////////////////////////// 307 308#define PICT_READER_TAG SkSetFourByteTag('r', 'e', 'a', 'd') 309#define PICT_FACTORY_TAG SkSetFourByteTag('f', 'a', 'c', 't') 310#define PICT_TYPEFACE_TAG SkSetFourByteTag('t', 'p', 'f', 'c') 311#define PICT_PICTURE_TAG SkSetFourByteTag('p', 'c', 't', 'r') 312 313// This tag specifies the size of the ReadBuffer, needed for the following tags 314#define PICT_BUFFER_SIZE_TAG SkSetFourByteTag('a', 'r', 'a', 'y') 315// these are all inside the ARRAYS tag 316#define PICT_BITMAP_BUFFER_TAG SkSetFourByteTag('b', 't', 'm', 'p') 317#define PICT_PAINT_BUFFER_TAG SkSetFourByteTag('p', 'n', 't', ' ') 318#define PICT_PATH_BUFFER_TAG SkSetFourByteTag('p', 't', 'h', ' ') 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(SkWriteBuffer& 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(SkWriteBuffer& 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(fPaints)) > 0) { 384 writeTagSize(buffer, PICT_PAINT_BUFFER_TAG, n); 385 for (i = 0; i < n; i++) { 386 buffer.writePaint((*fPaints)[i]); 387 } 388 } 389 390 if ((n = SafeCount(fPathHeap.get())) > 0) { 391 writeTagSize(buffer, PICT_PATH_BUFFER_TAG, n); 392 fPathHeap->flatten(buffer); 393 } 394} 395 396void SkPicturePlayback::serialize(SkWStream* stream, 397 SkPicture::EncodeBitmap encoder) const { 398 writeTagSize(stream, PICT_READER_TAG, fOpData->size()); 399 stream->write(fOpData->bytes(), fOpData->size()); 400 401 if (fPictureCount > 0) { 402 writeTagSize(stream, PICT_PICTURE_TAG, fPictureCount); 403 for (int i = 0; i < fPictureCount; i++) { 404 fPictureRefs[i]->serialize(stream, encoder); 405 } 406 } 407 408 // Write some of our data into a writebuffer, and then serialize that 409 // into our stream 410 { 411 SkRefCntSet typefaceSet; 412 SkFactorySet factSet; 413 414 SkWriteBuffer buffer; 415 buffer.setFlags(SkWriteBuffer::kCrossProcess_Flag); 416 buffer.setTypefaceRecorder(&typefaceSet); 417 buffer.setFactoryRecorder(&factSet); 418 buffer.setBitmapEncoder(encoder); 419 420 this->flattenToBuffer(buffer); 421 422 // We have to write these to sets into the stream *before* we write 423 // the buffer, since parsing that buffer will require that we already 424 // have these sets available to use. 425 writeFactories(stream, factSet); 426 writeTypefaces(stream, typefaceSet); 427 428 writeTagSize(stream, PICT_BUFFER_SIZE_TAG, buffer.bytesWritten()); 429 buffer.writeToStream(stream); 430 } 431 432 stream->write32(PICT_EOF_TAG); 433} 434 435/////////////////////////////////////////////////////////////////////////////// 436 437/** 438 * Return the corresponding SkReadBuffer flags, given a set of 439 * SkPictInfo flags. 440 */ 441static uint32_t pictInfoFlagsToReadBufferFlags(uint32_t pictInfoFlags) { 442 static const struct { 443 uint32_t fSrc; 444 uint32_t fDst; 445 } gSD[] = { 446 { SkPictInfo::kCrossProcess_Flag, SkReadBuffer::kCrossProcess_Flag }, 447 { SkPictInfo::kScalarIsFloat_Flag, SkReadBuffer::kScalarIsFloat_Flag }, 448 { SkPictInfo::kPtrIs64Bit_Flag, SkReadBuffer::kPtrIs64Bit_Flag }, 449 }; 450 451 uint32_t rbMask = 0; 452 for (size_t i = 0; i < SK_ARRAY_COUNT(gSD); ++i) { 453 if (pictInfoFlags & gSD[i].fSrc) { 454 rbMask |= gSD[i].fDst; 455 } 456 } 457 return rbMask; 458} 459 460bool SkPicturePlayback::parseStreamTag(SkStream* stream, const SkPictInfo& info, uint32_t tag, 461 size_t size, SkPicture::InstallPixelRefProc proc) { 462 /* 463 * By the time we encounter BUFFER_SIZE_TAG, we need to have already seen 464 * its dependents: FACTORY_TAG and TYPEFACE_TAG. These two are not required 465 * but if they are present, they need to have been seen before the buffer. 466 * 467 * We assert that if/when we see either of these, that we have not yet seen 468 * the buffer tag, because if we have, then its too-late to deal with the 469 * factories or typefaces. 470 */ 471 SkDEBUGCODE(bool haveBuffer = false;) 472 473 switch (tag) { 474 case PICT_READER_TAG: { 475 SkAutoMalloc storage(size); 476 if (stream->read(storage.get(), size) != size) { 477 return false; 478 } 479 SkASSERT(NULL == fOpData); 480 fOpData = SkData::NewFromMalloc(storage.detach(), size); 481 } break; 482 case PICT_FACTORY_TAG: { 483 SkASSERT(!haveBuffer); 484 fFactoryPlayback = SkNEW_ARGS(SkFactoryPlayback, (size)); 485 for (size_t i = 0; i < size; i++) { 486 SkString str; 487 const size_t len = stream->readPackedUInt(); 488 str.resize(len); 489 if (stream->read(str.writable_str(), len) != len) { 490 return false; 491 } 492 fFactoryPlayback->base()[i] = SkFlattenable::NameToFactory(str.c_str()); 493 } 494 } break; 495 case PICT_TYPEFACE_TAG: { 496 SkASSERT(!haveBuffer); 497 fTFPlayback.setCount(size); 498 for (size_t i = 0; i < size; i++) { 499 SkAutoTUnref<SkTypeface> tf(SkTypeface::Deserialize(stream)); 500 if (!tf.get()) { // failed to deserialize 501 // fTFPlayback asserts it never has a null, so we plop in 502 // the default here. 503 tf.reset(SkTypeface::RefDefault()); 504 } 505 fTFPlayback.set(i, tf); 506 } 507 } break; 508 case PICT_PICTURE_TAG: { 509 fPictureCount = size; 510 fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount); 511 bool success = true; 512 int i = 0; 513 for ( ; i < fPictureCount; i++) { 514 fPictureRefs[i] = SkPicture::CreateFromStream(stream, proc); 515 if (NULL == fPictureRefs[i]) { 516 success = false; 517 break; 518 } 519 } 520 if (!success) { 521 // Delete all of the pictures that were already created (up to but excluding i): 522 for (int j = 0; j < i; j++) { 523 fPictureRefs[j]->unref(); 524 } 525 // Delete the array 526 SkDELETE_ARRAY(fPictureRefs); 527 fPictureCount = 0; 528 return false; 529 } 530 } break; 531 case PICT_BUFFER_SIZE_TAG: { 532 SkAutoMalloc storage(size); 533 if (stream->read(storage.get(), size) != size) { 534 return false; 535 } 536 537 SkReadBuffer buffer(storage.get(), size); 538 buffer.setFlags(pictInfoFlagsToReadBufferFlags(info.fFlags)); 539 540 fFactoryPlayback->setupBuffer(buffer); 541 fTFPlayback.setupBuffer(buffer); 542 buffer.setBitmapDecoder(proc); 543 544 while (!buffer.eof()) { 545 tag = buffer.readUInt(); 546 size = buffer.readUInt(); 547 if (!this->parseBufferTag(buffer, tag, size)) { 548 return false; 549 } 550 } 551 SkDEBUGCODE(haveBuffer = true;) 552 } break; 553 } 554 return true; // success 555} 556 557bool SkPicturePlayback::parseBufferTag(SkReadBuffer& buffer, 558 uint32_t tag, size_t size) { 559 switch (tag) { 560 case PICT_BITMAP_BUFFER_TAG: { 561 fBitmaps = SkTRefArray<SkBitmap>::Create(size); 562 for (size_t i = 0; i < size; ++i) { 563 SkBitmap* bm = &fBitmaps->writableAt(i); 564 buffer.readBitmap(bm); 565 bm->setImmutable(); 566 } 567 } break; 568 case PICT_PAINT_BUFFER_TAG: { 569 fPaints = SkTRefArray<SkPaint>::Create(size); 570 for (size_t i = 0; i < size; ++i) { 571 buffer.readPaint(&fPaints->writableAt(i)); 572 } 573 } break; 574 case PICT_PATH_BUFFER_TAG: 575 if (size > 0) { 576 fPathHeap.reset(SkNEW_ARGS(SkPathHeap, (buffer))); 577 } 578 break; 579 default: 580 // The tag was invalid. 581 return false; 582 } 583 return true; // success 584} 585 586SkPicturePlayback* SkPicturePlayback::CreateFromStream(SkStream* stream, 587 const SkPictInfo& info, 588 SkPicture::InstallPixelRefProc proc) { 589 SkAutoTDelete<SkPicturePlayback> playback(SkNEW(SkPicturePlayback)); 590 591 if (!playback->parseStream(stream, info, proc)) { 592 return NULL; 593 } 594 return playback.detach(); 595} 596 597bool SkPicturePlayback::parseStream(SkStream* stream, const SkPictInfo& info, 598 SkPicture::InstallPixelRefProc proc) { 599 for (;;) { 600 uint32_t tag = stream->readU32(); 601 if (PICT_EOF_TAG == tag) { 602 break; 603 } 604 605 uint32_t size = stream->readU32(); 606 if (!this->parseStreamTag(stream, info, tag, size, proc)) { 607 return false; // we're invalid 608 } 609 } 610 return true; 611} 612 613/////////////////////////////////////////////////////////////////////////////// 614/////////////////////////////////////////////////////////////////////////////// 615 616#ifdef SPEW_CLIP_SKIPPING 617struct SkipClipRec { 618 int fCount; 619 size_t fSize; 620 621 SkipClipRec() { 622 fCount = 0; 623 fSize = 0; 624 } 625 626 void recordSkip(size_t bytes) { 627 fCount += 1; 628 fSize += bytes; 629 } 630}; 631#endif 632 633#ifdef SK_DEVELOPER 634bool SkPicturePlayback::preDraw(int opIndex, int type) { 635 return false; 636} 637 638void SkPicturePlayback::postDraw(int opIndex) { 639} 640#endif 641 642/* 643 * Read the next op code and chunk size from 'reader'. The returned size 644 * is the entire size of the chunk (including the opcode). Thus, the 645 * offset just prior to calling read_op_and_size + 'size' is the offset 646 * to the next chunk's op code. This also means that the size of a chunk 647 * with no arguments (just an opcode) will be 4. 648 */ 649static DrawType read_op_and_size(SkReader32* reader, uint32_t* size) { 650 uint32_t temp = reader->readInt(); 651 uint32_t op; 652 if (((uint8_t) temp) == temp) { 653 // old skp file - no size information 654 op = temp; 655 *size = 0; 656 } else { 657 UNPACK_8_24(temp, op, *size); 658 if (MASK_24 == *size) { 659 *size = reader->readInt(); 660 } 661 } 662 return (DrawType) op; 663} 664 665void SkPicturePlayback::draw(SkCanvas& canvas, SkDrawPictureCallback* callback) { 666#ifdef ENABLE_TIME_DRAW 667 SkAutoTime at("SkPicture::draw", 50); 668#endif 669 670#ifdef SPEW_CLIP_SKIPPING 671 SkipClipRec skipRect, skipRRect, skipRegion, skipPath; 672#endif 673 674#ifdef SK_BUILD_FOR_ANDROID 675 SkAutoMutexAcquire autoMutex(fDrawMutex); 676#endif 677 678 // kDrawComplete will be the signal that we have reached the end of 679 // the command stream 680 static const uint32_t kDrawComplete = SK_MaxU32; 681 682 SkReader32 reader(fOpData->bytes(), fOpData->size()); 683 TextContainer text; 684 SkTDArray<void*> results; 685 686 if (NULL != fStateTree && NULL != fBoundingHierarchy) { 687 SkRect clipBounds; 688 if (canvas.getClipBounds(&clipBounds)) { 689 SkIRect query; 690 clipBounds.roundOut(&query); 691 fBoundingHierarchy->search(query, &results); 692 if (results.count() == 0) { 693 return; 694 } 695 SkTQSort<SkPictureStateTree::Draw>( 696 reinterpret_cast<SkPictureStateTree::Draw**>(results.begin()), 697 reinterpret_cast<SkPictureStateTree::Draw**>(results.end()-1)); 698 } 699 } 700 701 SkPictureStateTree::Iterator it = (NULL == fStateTree) ? 702 SkPictureStateTree::Iterator() : 703 fStateTree->getIterator(results, &canvas); 704 705 if (it.isValid()) { 706 uint32_t skipTo = it.draw(); 707 if (kDrawComplete == skipTo) { 708 return; 709 } 710 reader.setOffset(skipTo); 711 } 712 713 // Record this, so we can concat w/ it if we encounter a setMatrix() 714 SkMatrix initialMatrix = canvas.getTotalMatrix(); 715 int originalSaveCount = canvas.getSaveCount(); 716 717#ifdef SK_BUILD_FOR_ANDROID 718 fAbortCurrentPlayback = false; 719#endif 720 721#ifdef SK_DEVELOPER 722 int opIndex = -1; 723#endif 724 725 while (!reader.eof()) { 726 if (callback && callback->abortDrawing()) { 727 canvas.restoreToCount(originalSaveCount); 728 return; 729 } 730#ifdef SK_BUILD_FOR_ANDROID 731 if (fAbortCurrentPlayback) { 732 return; 733 } 734#endif 735 736 size_t curOffset = reader.offset(); 737 uint32_t size; 738 DrawType op = read_op_and_size(&reader, &size); 739 size_t skipTo = 0; 740 if (NOOP == op) { 741 // NOOPs are to be ignored - do not propagate them any further 742 skipTo = curOffset + size; 743#ifdef SK_DEVELOPER 744 } else { 745 opIndex++; 746 if (this->preDraw(opIndex, op)) { 747 skipTo = curOffset + size; 748 } 749#endif 750 } 751 752 if (0 != skipTo) { 753 if (it.isValid()) { 754 // If using a bounding box hierarchy, advance the state tree 755 // iterator until at or after skipTo 756 uint32_t adjustedSkipTo; 757 do { 758 adjustedSkipTo = it.draw(); 759 } while (adjustedSkipTo < skipTo); 760 skipTo = adjustedSkipTo; 761 } 762 if (kDrawComplete == skipTo) { 763 break; 764 } 765 reader.setOffset(skipTo); 766 continue; 767 } 768 769 switch (op) { 770 case CLIP_PATH: { 771 const SkPath& path = getPath(reader); 772 uint32_t packed = reader.readInt(); 773 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); 774 bool doAA = ClipParams_unpackDoAA(packed); 775 size_t offsetToRestore = reader.readInt(); 776 SkASSERT(!offsetToRestore || \ 777 offsetToRestore >= reader.offset()); 778 if (!canvas.clipPath(path, regionOp, doAA) && offsetToRestore) { 779#ifdef SPEW_CLIP_SKIPPING 780 skipPath.recordSkip(offsetToRestore - reader.offset()); 781#endif 782 reader.setOffset(offsetToRestore); 783 } 784 } break; 785 case CLIP_REGION: { 786 SkRegion region; 787 this->getRegion(reader, ®ion); 788 uint32_t packed = reader.readInt(); 789 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); 790 size_t offsetToRestore = reader.readInt(); 791 SkASSERT(!offsetToRestore || \ 792 offsetToRestore >= reader.offset()); 793 if (!canvas.clipRegion(region, regionOp) && offsetToRestore) { 794#ifdef SPEW_CLIP_SKIPPING 795 skipRegion.recordSkip(offsetToRestore - reader.offset()); 796#endif 797 reader.setOffset(offsetToRestore); 798 } 799 } break; 800 case CLIP_RECT: { 801 const SkRect& rect = reader.skipT<SkRect>(); 802 uint32_t packed = reader.readInt(); 803 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); 804 bool doAA = ClipParams_unpackDoAA(packed); 805 size_t offsetToRestore = reader.readInt(); 806 SkASSERT(!offsetToRestore || \ 807 offsetToRestore >= reader.offset()); 808 if (!canvas.clipRect(rect, regionOp, doAA) && offsetToRestore) { 809#ifdef SPEW_CLIP_SKIPPING 810 skipRect.recordSkip(offsetToRestore - reader.offset()); 811#endif 812 reader.setOffset(offsetToRestore); 813 } 814 } break; 815 case CLIP_RRECT: { 816 SkRRect rrect; 817 reader.readRRect(&rrect); 818 uint32_t packed = reader.readInt(); 819 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); 820 bool doAA = ClipParams_unpackDoAA(packed); 821 size_t offsetToRestore = reader.readInt(); 822 SkASSERT(!offsetToRestore || \ 823 offsetToRestore >= reader.offset()); 824 if (!canvas.clipRRect(rrect, regionOp, doAA) && offsetToRestore) { 825#ifdef SPEW_CLIP_SKIPPING 826 skipRRect.recordSkip(offsetToRestore - reader.offset()); 827#endif 828 reader.setOffset(offsetToRestore); 829 } 830 } break; 831 case CONCAT: { 832 SkMatrix matrix; 833 this->getMatrix(reader, &matrix); 834 canvas.concat(matrix); 835 break; 836 } 837 case DRAW_BITMAP: { 838 const SkPaint* paint = getPaint(reader); 839 const SkBitmap& bitmap = getBitmap(reader); 840 const SkPoint& loc = reader.skipT<SkPoint>(); 841 canvas.drawBitmap(bitmap, loc.fX, loc.fY, paint); 842 } break; 843 case DRAW_BITMAP_RECT_TO_RECT: { 844 const SkPaint* paint = getPaint(reader); 845 const SkBitmap& bitmap = getBitmap(reader); 846 const SkRect* src = this->getRectPtr(reader); // may be null 847 const SkRect& dst = reader.skipT<SkRect>(); // required 848 SkCanvas::DrawBitmapRectFlags flags; 849 flags = (SkCanvas::DrawBitmapRectFlags) reader.readInt(); 850 canvas.drawBitmapRectToRect(bitmap, src, dst, paint, flags); 851 } break; 852 case DRAW_BITMAP_MATRIX: { 853 const SkPaint* paint = getPaint(reader); 854 const SkBitmap& bitmap = getBitmap(reader); 855 SkMatrix matrix; 856 this->getMatrix(reader, &matrix); 857 canvas.drawBitmapMatrix(bitmap, matrix, paint); 858 } break; 859 case DRAW_BITMAP_NINE: { 860 const SkPaint* paint = getPaint(reader); 861 const SkBitmap& bitmap = getBitmap(reader); 862 const SkIRect& src = reader.skipT<SkIRect>(); 863 const SkRect& dst = reader.skipT<SkRect>(); 864 canvas.drawBitmapNine(bitmap, src, dst, paint); 865 } break; 866 case DRAW_CLEAR: 867 canvas.clear(reader.readInt()); 868 break; 869 case DRAW_DATA: { 870 size_t length = reader.readInt(); 871 canvas.drawData(reader.skip(length), length); 872 // skip handles padding the read out to a multiple of 4 873 } break; 874 case BEGIN_COMMENT_GROUP: { 875 const char* desc = reader.readString(); 876 canvas.beginCommentGroup(desc); 877 } break; 878 case COMMENT: { 879 const char* kywd = reader.readString(); 880 const char* value = reader.readString(); 881 canvas.addComment(kywd, value); 882 } break; 883 case END_COMMENT_GROUP: { 884 canvas.endCommentGroup(); 885 } break; 886 case DRAW_OVAL: { 887 const SkPaint& paint = *getPaint(reader); 888 canvas.drawOval(reader.skipT<SkRect>(), paint); 889 } break; 890 case DRAW_PAINT: 891 canvas.drawPaint(*getPaint(reader)); 892 break; 893 case DRAW_PATH: { 894 const SkPaint& paint = *getPaint(reader); 895 canvas.drawPath(getPath(reader), paint); 896 } break; 897 case DRAW_PICTURE: 898 canvas.drawPicture(getPicture(reader)); 899 break; 900 case DRAW_POINTS: { 901 const SkPaint& paint = *getPaint(reader); 902 SkCanvas::PointMode mode = (SkCanvas::PointMode)reader.readInt(); 903 size_t count = reader.readInt(); 904 const SkPoint* pts = (const SkPoint*)reader.skip(sizeof(SkPoint) * count); 905 canvas.drawPoints(mode, count, pts, paint); 906 } break; 907 case DRAW_POS_TEXT: { 908 const SkPaint& paint = *getPaint(reader); 909 getText(reader, &text); 910 size_t points = reader.readInt(); 911 const SkPoint* pos = (const SkPoint*)reader.skip(points * sizeof(SkPoint)); 912 canvas.drawPosText(text.text(), text.length(), pos, paint); 913 } break; 914 case DRAW_POS_TEXT_TOP_BOTTOM: { 915 const SkPaint& paint = *getPaint(reader); 916 getText(reader, &text); 917 size_t points = reader.readInt(); 918 const SkPoint* pos = (const SkPoint*)reader.skip(points * sizeof(SkPoint)); 919 const SkScalar top = reader.readScalar(); 920 const SkScalar bottom = reader.readScalar(); 921 if (!canvas.quickRejectY(top, bottom)) { 922 canvas.drawPosText(text.text(), text.length(), pos, paint); 923 } 924 } break; 925 case DRAW_POS_TEXT_H: { 926 const SkPaint& paint = *getPaint(reader); 927 getText(reader, &text); 928 size_t xCount = reader.readInt(); 929 const SkScalar constY = reader.readScalar(); 930 const SkScalar* xpos = (const SkScalar*)reader.skip(xCount * sizeof(SkScalar)); 931 canvas.drawPosTextH(text.text(), text.length(), xpos, constY, 932 paint); 933 } break; 934 case DRAW_POS_TEXT_H_TOP_BOTTOM: { 935 const SkPaint& paint = *getPaint(reader); 936 getText(reader, &text); 937 size_t xCount = reader.readInt(); 938 const SkScalar* xpos = (const SkScalar*)reader.skip((3 + xCount) * sizeof(SkScalar)); 939 const SkScalar top = *xpos++; 940 const SkScalar bottom = *xpos++; 941 const SkScalar constY = *xpos++; 942 if (!canvas.quickRejectY(top, bottom)) { 943 canvas.drawPosTextH(text.text(), text.length(), xpos, 944 constY, paint); 945 } 946 } break; 947 case DRAW_RECT: { 948 const SkPaint& paint = *getPaint(reader); 949 canvas.drawRect(reader.skipT<SkRect>(), paint); 950 } break; 951 case DRAW_RRECT: { 952 const SkPaint& paint = *getPaint(reader); 953 SkRRect rrect; 954 reader.readRRect(&rrect); 955 canvas.drawRRect(rrect, paint); 956 } break; 957 case DRAW_SPRITE: { 958 const SkPaint* paint = getPaint(reader); 959 const SkBitmap& bitmap = getBitmap(reader); 960 int left = reader.readInt(); 961 int top = reader.readInt(); 962 canvas.drawSprite(bitmap, left, top, paint); 963 } break; 964 case DRAW_TEXT: { 965 const SkPaint& paint = *getPaint(reader); 966 getText(reader, &text); 967 SkScalar x = reader.readScalar(); 968 SkScalar y = reader.readScalar(); 969 canvas.drawText(text.text(), text.length(), x, y, paint); 970 } break; 971 case DRAW_TEXT_TOP_BOTTOM: { 972 const SkPaint& paint = *getPaint(reader); 973 getText(reader, &text); 974 const SkScalar* ptr = (const SkScalar*)reader.skip(4 * sizeof(SkScalar)); 975 // ptr[0] == x 976 // ptr[1] == y 977 // ptr[2] == top 978 // ptr[3] == bottom 979 if (!canvas.quickRejectY(ptr[2], ptr[3])) { 980 canvas.drawText(text.text(), text.length(), ptr[0], ptr[1], 981 paint); 982 } 983 } break; 984 case DRAW_TEXT_ON_PATH: { 985 const SkPaint& paint = *getPaint(reader); 986 getText(reader, &text); 987 const SkPath& path = getPath(reader); 988 SkMatrix matrix; 989 this->getMatrix(reader, &matrix); 990 canvas.drawTextOnPath(text.text(), text.length(), path, &matrix, paint); 991 } break; 992 case DRAW_VERTICES: { 993 SkAutoTUnref<SkXfermode> xfer; 994 const SkPaint& paint = *getPaint(reader); 995 DrawVertexFlags flags = (DrawVertexFlags)reader.readInt(); 996 SkCanvas::VertexMode vmode = (SkCanvas::VertexMode)reader.readInt(); 997 int vCount = reader.readInt(); 998 const SkPoint* verts = (const SkPoint*)reader.skip( 999 vCount * sizeof(SkPoint)); 1000 const SkPoint* texs = NULL; 1001 const SkColor* colors = NULL; 1002 const uint16_t* indices = NULL; 1003 int iCount = 0; 1004 if (flags & DRAW_VERTICES_HAS_TEXS) { 1005 texs = (const SkPoint*)reader.skip( 1006 vCount * sizeof(SkPoint)); 1007 } 1008 if (flags & DRAW_VERTICES_HAS_COLORS) { 1009 colors = (const SkColor*)reader.skip( 1010 vCount * sizeof(SkColor)); 1011 } 1012 if (flags & DRAW_VERTICES_HAS_INDICES) { 1013 iCount = reader.readInt(); 1014 indices = (const uint16_t*)reader.skip( 1015 iCount * sizeof(uint16_t)); 1016 } 1017 if (flags & DRAW_VERTICES_HAS_XFER) { 1018 int mode = reader.readInt(); 1019 if (mode < 0 || mode > SkXfermode::kLastMode) { 1020 mode = SkXfermode::kModulate_Mode; 1021 } 1022 xfer.reset(SkXfermode::Create((SkXfermode::Mode)mode)); 1023 } 1024 canvas.drawVertices(vmode, vCount, verts, texs, colors, xfer, 1025 indices, iCount, paint); 1026 } break; 1027 case RESTORE: 1028 canvas.restore(); 1029 break; 1030 case ROTATE: 1031 canvas.rotate(reader.readScalar()); 1032 break; 1033 case SAVE: 1034 canvas.save((SkCanvas::SaveFlags) reader.readInt()); 1035 break; 1036 case SAVE_LAYER: { 1037 const SkRect* boundsPtr = getRectPtr(reader); 1038 const SkPaint* paint = getPaint(reader); 1039 canvas.saveLayer(boundsPtr, paint, (SkCanvas::SaveFlags) reader.readInt()); 1040 } break; 1041 case SCALE: { 1042 SkScalar sx = reader.readScalar(); 1043 SkScalar sy = reader.readScalar(); 1044 canvas.scale(sx, sy); 1045 } break; 1046 case SET_MATRIX: { 1047 SkMatrix matrix; 1048 this->getMatrix(reader, &matrix); 1049 matrix.postConcat(initialMatrix); 1050 canvas.setMatrix(matrix); 1051 } break; 1052 case SKEW: { 1053 SkScalar sx = reader.readScalar(); 1054 SkScalar sy = reader.readScalar(); 1055 canvas.skew(sx, sy); 1056 } break; 1057 case TRANSLATE: { 1058 SkScalar dx = reader.readScalar(); 1059 SkScalar dy = reader.readScalar(); 1060 canvas.translate(dx, dy); 1061 } break; 1062 default: 1063 SkASSERT(0); 1064 } 1065 1066#ifdef SK_DEVELOPER 1067 this->postDraw(opIndex); 1068#endif 1069 1070 if (it.isValid()) { 1071 uint32_t skipTo = it.draw(); 1072 if (kDrawComplete == skipTo) { 1073 break; 1074 } 1075 reader.setOffset(skipTo); 1076 } 1077 } 1078 1079#ifdef SPEW_CLIP_SKIPPING 1080 { 1081 size_t size = skipRect.fSize + skipRRect.fSize + skipPath.fSize + skipRegion.fSize; 1082 SkDebugf("--- Clip skips %d%% rect:%d rrect:%d path:%d rgn:%d\n", 1083 size * 100 / reader.offset(), skipRect.fCount, skipRRect.fCount, 1084 skipPath.fCount, skipRegion.fCount); 1085 } 1086#endif 1087// this->dumpSize(); 1088} 1089 1090/////////////////////////////////////////////////////////////////////////////// 1091 1092#ifdef SK_DEBUG_SIZE 1093int SkPicturePlayback::size(size_t* sizePtr) { 1094 int objects = bitmaps(sizePtr); 1095 objects += paints(sizePtr); 1096 objects += paths(sizePtr); 1097 objects += pictures(sizePtr); 1098 objects += regions(sizePtr); 1099 *sizePtr = fOpData.size(); 1100 return objects; 1101} 1102 1103int SkPicturePlayback::bitmaps(size_t* size) { 1104 size_t result = 0; 1105 for (int index = 0; index < fBitmapCount; index++) { 1106 // const SkBitmap& bitmap = fBitmaps[index]; 1107 result += sizeof(SkBitmap); // bitmap->size(); 1108 } 1109 *size = result; 1110 return fBitmapCount; 1111} 1112 1113int SkPicturePlayback::paints(size_t* size) { 1114 size_t result = 0; 1115 for (int index = 0; index < fPaintCount; index++) { 1116 // const SkPaint& paint = fPaints[index]; 1117 result += sizeof(SkPaint); // paint->size(); 1118 } 1119 *size = result; 1120 return fPaintCount; 1121} 1122 1123int SkPicturePlayback::paths(size_t* size) { 1124 size_t result = 0; 1125 for (int index = 0; index < fPathCount; index++) { 1126 const SkPath& path = fPaths[index]; 1127 result += path.flatten(NULL); 1128 } 1129 *size = result; 1130 return fPathCount; 1131} 1132#endif 1133 1134#ifdef SK_DEBUG_DUMP 1135void SkPicturePlayback::dumpBitmap(const SkBitmap& bitmap) const { 1136 char pBuffer[DUMP_BUFFER_SIZE]; 1137 char* bufferPtr = pBuffer; 1138 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1139 "BitmapData bitmap%p = {", &bitmap); 1140 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1141 "{kWidth, %d}, ", bitmap.width()); 1142 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1143 "{kHeight, %d}, ", bitmap.height()); 1144 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1145 "{kRowBytes, %d}, ", bitmap.rowBytes()); 1146// start here; 1147 SkDebugf("%s{0}};\n", pBuffer); 1148} 1149 1150void dumpMatrix(const SkMatrix& matrix) const { 1151 SkMatrix defaultMatrix; 1152 defaultMatrix.reset(); 1153 char pBuffer[DUMP_BUFFER_SIZE]; 1154 char* bufferPtr = pBuffer; 1155 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1156 "MatrixData matrix%p = {", &matrix); 1157 SkScalar scaleX = matrix.getScaleX(); 1158 if (scaleX != defaultMatrix.getScaleX()) 1159 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1160 "{kScaleX, %g}, ", SkScalarToFloat(scaleX)); 1161 SkScalar scaleY = matrix.getScaleY(); 1162 if (scaleY != defaultMatrix.getScaleY()) 1163 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1164 "{kScaleY, %g}, ", SkScalarToFloat(scaleY)); 1165 SkScalar skewX = matrix.getSkewX(); 1166 if (skewX != defaultMatrix.getSkewX()) 1167 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1168 "{kSkewX, %g}, ", SkScalarToFloat(skewX)); 1169 SkScalar skewY = matrix.getSkewY(); 1170 if (skewY != defaultMatrix.getSkewY()) 1171 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1172 "{kSkewY, %g}, ", SkScalarToFloat(skewY)); 1173 SkScalar translateX = matrix.getTranslateX(); 1174 if (translateX != defaultMatrix.getTranslateX()) 1175 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1176 "{kTranslateX, %g}, ", SkScalarToFloat(translateX)); 1177 SkScalar translateY = matrix.getTranslateY(); 1178 if (translateY != defaultMatrix.getTranslateY()) 1179 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1180 "{kTranslateY, %g}, ", SkScalarToFloat(translateY)); 1181 SkScalar perspX = matrix.getPerspX(); 1182 if (perspX != defaultMatrix.getPerspX()) 1183 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1184 "{kPerspX, %g}, ", perspX); 1185 SkScalar perspY = matrix.getPerspY(); 1186 if (perspY != defaultMatrix.getPerspY()) 1187 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1188 "{kPerspY, %g}, ", perspY); 1189 SkDebugf("%s{0}};\n", pBuffer); 1190} 1191 1192void dumpPaint(const SkPaint& paint) const { 1193 SkPaint defaultPaint; 1194 char pBuffer[DUMP_BUFFER_SIZE]; 1195 char* bufferPtr = pBuffer; 1196 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1197 "PaintPointers paintPtrs%p = {", &paint); 1198 const SkTypeface* typeface = paint.getTypeface(); 1199 if (typeface != defaultPaint.getTypeface()) 1200 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1201 "{kTypeface, %p}, ", typeface); 1202 const SkPathEffect* pathEffect = paint.getPathEffect(); 1203 if (pathEffect != defaultPaint.getPathEffect()) 1204 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1205 "{kPathEffect, %p}, ", pathEffect); 1206 const SkShader* shader = paint.getShader(); 1207 if (shader != defaultPaint.getShader()) 1208 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1209 "{kShader, %p}, ", shader); 1210 const SkXfermode* xfermode = paint.getXfermode(); 1211 if (xfermode != defaultPaint.getXfermode()) 1212 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1213 "{kXfermode, %p}, ", xfermode); 1214 const SkMaskFilter* maskFilter = paint.getMaskFilter(); 1215 if (maskFilter != defaultPaint.getMaskFilter()) 1216 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1217 "{kMaskFilter, %p}, ", maskFilter); 1218 const SkColorFilter* colorFilter = paint.getColorFilter(); 1219 if (colorFilter != defaultPaint.getColorFilter()) 1220 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1221 "{kColorFilter, %p}, ", colorFilter); 1222 const SkRasterizer* rasterizer = paint.getRasterizer(); 1223 if (rasterizer != defaultPaint.getRasterizer()) 1224 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1225 "{kRasterizer, %p}, ", rasterizer); 1226 const SkDrawLooper* drawLooper = paint.getLooper(); 1227 if (drawLooper != defaultPaint.getLooper()) 1228 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1229 "{kDrawLooper, %p}, ", drawLooper); 1230 SkDebugf("%s{0}};\n", pBuffer); 1231 bufferPtr = pBuffer; 1232 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1233 "PaintScalars paintScalars%p = {", &paint); 1234 SkScalar textSize = paint.getTextSize(); 1235 if (textSize != defaultPaint.getTextSize()) 1236 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1237 "{kTextSize, %g}, ", SkScalarToFloat(textSize)); 1238 SkScalar textScaleX = paint.getTextScaleX(); 1239 if (textScaleX != defaultPaint.getTextScaleX()) 1240 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1241 "{kTextScaleX, %g}, ", SkScalarToFloat(textScaleX)); 1242 SkScalar textSkewX = paint.getTextSkewX(); 1243 if (textSkewX != defaultPaint.getTextSkewX()) 1244 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1245 "{kTextSkewX, %g}, ", SkScalarToFloat(textSkewX)); 1246 SkScalar strokeWidth = paint.getStrokeWidth(); 1247 if (strokeWidth != defaultPaint.getStrokeWidth()) 1248 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1249 "{kStrokeWidth, %g}, ", SkScalarToFloat(strokeWidth)); 1250 SkScalar strokeMiter = paint.getStrokeMiter(); 1251 if (strokeMiter != defaultPaint.getStrokeMiter()) 1252 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1253 "{kStrokeMiter, %g}, ", SkScalarToFloat(strokeMiter)); 1254 SkDebugf("%s{0}};\n", pBuffer); 1255 bufferPtr = pBuffer; 1256 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1257 "PaintInts = paintInts%p = {", &paint); 1258 unsigned color = paint.getColor(); 1259 if (color != defaultPaint.getColor()) 1260 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1261 "{kColor, 0x%x}, ", color); 1262 unsigned flags = paint.getFlags(); 1263 if (flags != defaultPaint.getFlags()) 1264 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1265 "{kFlags, 0x%x}, ", flags); 1266 int align = paint.getTextAlign(); 1267 if (align != defaultPaint.getTextAlign()) 1268 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1269 "{kAlign, 0x%x}, ", align); 1270 int strokeCap = paint.getStrokeCap(); 1271 if (strokeCap != defaultPaint.getStrokeCap()) 1272 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1273 "{kStrokeCap, 0x%x}, ", strokeCap); 1274 int strokeJoin = paint.getStrokeJoin(); 1275 if (strokeJoin != defaultPaint.getStrokeJoin()) 1276 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1277 "{kAlign, 0x%x}, ", strokeJoin); 1278 int style = paint.getStyle(); 1279 if (style != defaultPaint.getStyle()) 1280 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1281 "{kStyle, 0x%x}, ", style); 1282 int textEncoding = paint.getTextEncoding(); 1283 if (textEncoding != defaultPaint.getTextEncoding()) 1284 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1285 "{kTextEncoding, 0x%x}, ", textEncoding); 1286 SkDebugf("%s{0}};\n", pBuffer); 1287 1288 SkDebugf("PaintData paint%p = {paintPtrs%p, paintScalars%p, paintInts%p};\n", 1289 &paint, &paint, &paint, &paint); 1290} 1291 1292void SkPicturePlayback::dumpPath(const SkPath& path) const { 1293 SkDebugf("path dump unimplemented\n"); 1294} 1295 1296void SkPicturePlayback::dumpPicture(const SkPicture& picture) const { 1297 SkDebugf("picture dump unimplemented\n"); 1298} 1299 1300void SkPicturePlayback::dumpRegion(const SkRegion& region) const { 1301 SkDebugf("region dump unimplemented\n"); 1302} 1303 1304int SkPicturePlayback::dumpDrawType(char* bufferPtr, char* buffer, DrawType drawType) { 1305 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1306 "k%s, ", DrawTypeToString(drawType)); 1307} 1308 1309int SkPicturePlayback::dumpInt(char* bufferPtr, char* buffer, char* name) { 1310 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1311 "%s:%d, ", name, getInt()); 1312} 1313 1314int SkPicturePlayback::dumpRect(char* bufferPtr, char* buffer, char* name) { 1315 const SkRect* rect = fReader.skipRect(); 1316 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1317 "%s:{l:%g t:%g r:%g b:%g}, ", name, SkScalarToFloat(rect.fLeft), 1318 SkScalarToFloat(rect.fTop), 1319 SkScalarToFloat(rect.fRight), SkScalarToFloat(rect.fBottom)); 1320} 1321 1322int SkPicturePlayback::dumpPoint(char* bufferPtr, char* buffer, char* name) { 1323 SkPoint pt; 1324 getPoint(&pt); 1325 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1326 "%s:{x:%g y:%g}, ", name, SkScalarToFloat(pt.fX), 1327 SkScalarToFloat(pt.fY)); 1328} 1329 1330void SkPicturePlayback::dumpPointArray(char** bufferPtrPtr, char* buffer, int count) { 1331 char* bufferPtr = *bufferPtrPtr; 1332 const SkPoint* pts = (const SkPoint*)fReadStream.getAtPos(); 1333 fReadStream.skip(sizeof(SkPoint) * count); 1334 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1335 "count:%d {", count); 1336 for (int index = 0; index < count; index++) 1337 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1338 "{x:%g y:%g}, ", SkScalarToFloat(pts[index].fX), 1339 SkScalarToFloat(pts[index].fY)); 1340 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1341 "} "); 1342 *bufferPtrPtr = bufferPtr; 1343} 1344 1345int SkPicturePlayback::dumpPtr(char* bufferPtr, char* buffer, char* name, void* ptr) { 1346 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1347 "%s:%p, ", name, ptr); 1348} 1349 1350int SkPicturePlayback::dumpRectPtr(char* bufferPtr, char* buffer, char* name) { 1351 char result; 1352 fReadStream.read(&result, sizeof(result)); 1353 if (result) 1354 return dumpRect(bufferPtr, buffer, name); 1355 else 1356 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1357 "%s:NULL, ", name); 1358} 1359 1360int SkPicturePlayback::dumpScalar(char* bufferPtr, char* buffer, char* name) { 1361 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1362 "%s:%d, ", name, getScalar()); 1363} 1364 1365void SkPicturePlayback::dumpText(char** bufferPtrPtr, char* buffer) { 1366 char* bufferPtr = *bufferPtrPtr; 1367 int length = getInt(); 1368 bufferPtr += dumpDrawType(bufferPtr, buffer); 1369 fReadStream.skipToAlign4(); 1370 char* text = (char*) fReadStream.getAtPos(); 1371 fReadStream.skip(length); 1372 bufferPtr += dumpInt(bufferPtr, buffer, "length"); 1373 int limit = DUMP_BUFFER_SIZE - (bufferPtr - buffer) - 2; 1374 length >>= 1; 1375 if (limit > length) 1376 limit = length; 1377 if (limit > 0) { 1378 *bufferPtr++ = '"'; 1379 for (int index = 0; index < limit; index++) { 1380 *bufferPtr++ = *(unsigned short*) text; 1381 text += sizeof(unsigned short); 1382 } 1383 *bufferPtr++ = '"'; 1384 } 1385 *bufferPtrPtr = bufferPtr; 1386} 1387 1388#define DUMP_DRAWTYPE(drawType) \ 1389 bufferPtr += dumpDrawType(bufferPtr, buffer, drawType) 1390 1391#define DUMP_INT(name) \ 1392 bufferPtr += dumpInt(bufferPtr, buffer, #name) 1393 1394#define DUMP_RECT_PTR(name) \ 1395 bufferPtr += dumpRectPtr(bufferPtr, buffer, #name) 1396 1397#define DUMP_POINT(name) \ 1398 bufferPtr += dumpRect(bufferPtr, buffer, #name) 1399 1400#define DUMP_RECT(name) \ 1401 bufferPtr += dumpRect(bufferPtr, buffer, #name) 1402 1403#define DUMP_POINT_ARRAY(count) \ 1404 dumpPointArray(&bufferPtr, buffer, count) 1405 1406#define DUMP_PTR(name, ptr) \ 1407 bufferPtr += dumpPtr(bufferPtr, buffer, #name, (void*) ptr) 1408 1409#define DUMP_SCALAR(name) \ 1410 bufferPtr += dumpScalar(bufferPtr, buffer, #name) 1411 1412#define DUMP_TEXT() \ 1413 dumpText(&bufferPtr, buffer) 1414 1415void SkPicturePlayback::dumpStream() { 1416 SkDebugf("RecordStream stream = {\n"); 1417 DrawType drawType; 1418 TextContainer text; 1419 fReadStream.rewind(); 1420 char buffer[DUMP_BUFFER_SIZE], * bufferPtr; 1421 while (fReadStream.read(&drawType, sizeof(drawType))) { 1422 bufferPtr = buffer; 1423 DUMP_DRAWTYPE(drawType); 1424 switch (drawType) { 1425 case CLIP_PATH: { 1426 DUMP_PTR(SkPath, &getPath()); 1427 DUMP_INT(SkRegion::Op); 1428 DUMP_INT(offsetToRestore); 1429 } break; 1430 case CLIP_REGION: { 1431 DUMP_INT(SkRegion::Op); 1432 DUMP_INT(offsetToRestore); 1433 } break; 1434 case CLIP_RECT: { 1435 DUMP_RECT(rect); 1436 DUMP_INT(SkRegion::Op); 1437 DUMP_INT(offsetToRestore); 1438 } break; 1439 case CONCAT: 1440 break; 1441 case DRAW_BITMAP: { 1442 DUMP_PTR(SkPaint, getPaint()); 1443 DUMP_PTR(SkBitmap, &getBitmap()); 1444 DUMP_SCALAR(left); 1445 DUMP_SCALAR(top); 1446 } break; 1447 case DRAW_PAINT: 1448 DUMP_PTR(SkPaint, getPaint()); 1449 break; 1450 case DRAW_PATH: { 1451 DUMP_PTR(SkPaint, getPaint()); 1452 DUMP_PTR(SkPath, &getPath()); 1453 } break; 1454 case DRAW_PICTURE: { 1455 DUMP_PTR(SkPicture, &getPicture()); 1456 } break; 1457 case DRAW_POINTS: { 1458 DUMP_PTR(SkPaint, getPaint()); 1459 (void)getInt(); // PointMode 1460 size_t count = getInt(); 1461 fReadStream.skipToAlign4(); 1462 DUMP_POINT_ARRAY(count); 1463 } break; 1464 case DRAW_POS_TEXT: { 1465 DUMP_PTR(SkPaint, getPaint()); 1466 DUMP_TEXT(); 1467 size_t points = getInt(); 1468 fReadStream.skipToAlign4(); 1469 DUMP_POINT_ARRAY(points); 1470 } break; 1471 case DRAW_POS_TEXT_H: { 1472 DUMP_PTR(SkPaint, getPaint()); 1473 DUMP_TEXT(); 1474 size_t points = getInt(); 1475 fReadStream.skipToAlign4(); 1476 DUMP_SCALAR(top); 1477 DUMP_SCALAR(bottom); 1478 DUMP_SCALAR(constY); 1479 DUMP_POINT_ARRAY(points); 1480 } break; 1481 case DRAW_RECT: { 1482 DUMP_PTR(SkPaint, getPaint()); 1483 DUMP_RECT(rect); 1484 } break; 1485 case DRAW_SPRITE: { 1486 DUMP_PTR(SkPaint, getPaint()); 1487 DUMP_PTR(SkBitmap, &getBitmap()); 1488 DUMP_SCALAR(left); 1489 DUMP_SCALAR(top); 1490 } break; 1491 case DRAW_TEXT: { 1492 DUMP_PTR(SkPaint, getPaint()); 1493 DUMP_TEXT(); 1494 DUMP_SCALAR(x); 1495 DUMP_SCALAR(y); 1496 } break; 1497 case DRAW_TEXT_ON_PATH: { 1498 DUMP_PTR(SkPaint, getPaint()); 1499 DUMP_TEXT(); 1500 DUMP_PTR(SkPath, &getPath()); 1501 } break; 1502 case RESTORE: 1503 break; 1504 case ROTATE: 1505 DUMP_SCALAR(rotate); 1506 break; 1507 case SAVE: 1508 DUMP_INT(SkCanvas::SaveFlags); 1509 break; 1510 case SAVE_LAYER: { 1511 DUMP_RECT_PTR(layer); 1512 DUMP_PTR(SkPaint, getPaint()); 1513 DUMP_INT(SkCanvas::SaveFlags); 1514 } break; 1515 case SCALE: { 1516 DUMP_SCALAR(sx); 1517 DUMP_SCALAR(sy); 1518 } break; 1519 case SKEW: { 1520 DUMP_SCALAR(sx); 1521 DUMP_SCALAR(sy); 1522 } break; 1523 case TRANSLATE: { 1524 DUMP_SCALAR(dx); 1525 DUMP_SCALAR(dy); 1526 } break; 1527 default: 1528 SkASSERT(0); 1529 } 1530 SkDebugf("%s\n", buffer); 1531 } 1532} 1533 1534void SkPicturePlayback::dump() const { 1535 char pBuffer[DUMP_BUFFER_SIZE]; 1536 char* bufferPtr = pBuffer; 1537 int index; 1538 if (fBitmapCount > 0) 1539 SkDebugf("// bitmaps (%d)\n", fBitmapCount); 1540 for (index = 0; index < fBitmapCount; index++) { 1541 const SkBitmap& bitmap = fBitmaps[index]; 1542 dumpBitmap(bitmap); 1543 } 1544 if (fBitmapCount > 0) 1545 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1546 "Bitmaps bitmaps = {"); 1547 for (index = 0; index < fBitmapCount; index++) 1548 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1549 "bitmap%p, ", &fBitmaps[index]); 1550 if (fBitmapCount > 0) 1551 SkDebugf("%s0};\n", pBuffer); 1552 1553 1554 if (fPaintCount > 0) 1555 SkDebugf("// paints (%d)\n", fPaintCount); 1556 for (index = 0; index < fPaintCount; index++) { 1557 const SkPaint& paint = fPaints[index]; 1558 dumpPaint(paint); 1559 } 1560 bufferPtr = pBuffer; 1561 if (fPaintCount > 0) 1562 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1563 "Paints paints = {"); 1564 for (index = 0; index < fPaintCount; index++) 1565 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1566 "paint%p, ", &fPaints[index]); 1567 if (fPaintCount > 0) 1568 SkDebugf("%s0};\n", pBuffer); 1569 1570 for (index = 0; index < fPathCount; index++) { 1571 const SkPath& path = fPaths[index]; 1572 dumpPath(path); 1573 } 1574 bufferPtr = pBuffer; 1575 if (fPathCount > 0) 1576 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1577 "Paths paths = {"); 1578 for (index = 0; index < fPathCount; index++) 1579 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1580 "path%p, ", &fPaths[index]); 1581 if (fPathCount > 0) 1582 SkDebugf("%s0};\n", pBuffer); 1583 1584 for (index = 0; index < fPictureCount; index++) { 1585 dumpPicture(*fPictureRefs[index]); 1586 } 1587 bufferPtr = pBuffer; 1588 if (fPictureCount > 0) 1589 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1590 "Pictures pictures = {"); 1591 for (index = 0; index < fPictureCount; index++) 1592 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1593 "picture%p, ", fPictureRefs[index]); 1594 if (fPictureCount > 0) 1595 SkDebugf("%s0};\n", pBuffer); 1596 1597 const_cast<SkPicturePlayback*>(this)->dumpStream(); 1598} 1599 1600#endif 1601