SkPicturePlayback.cpp revision 0cb7df97185d5fc8780e225c912e2bc99a26aa8d
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 476void 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 SkAutoTUnref<SkTypeface> tf(SkTypeface::Deserialize(stream)); 512 if (!tf.get()) { // failed to deserialize 513 // fTFPlayback asserts it never has a null, so we plop in 514 // the default here. 515 tf.reset(SkTypeface::RefDefault()); 516 } 517 fTFPlayback.set(i, tf); 518 } 519 } break; 520 case PICT_PICTURE_TAG: { 521 fPictureCount = size; 522 fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount); 523 bool success; 524 for (int i = 0; i < fPictureCount; i++) { 525 fPictureRefs[i] = SkNEW_ARGS(SkPicture, (stream, &success, proc)); 526 // Success can only be false if PICTURE_VERSION does not match 527 // (which should never happen from here, since a sub picture will 528 // have the same PICTURE_VERSION as its parent) or if stream->read 529 // returns 0. In the latter case, we have a bug when writing the 530 // picture to begin with, which will be alerted to here. 531 SkASSERT(success); 532 } 533 } break; 534 case PICT_BUFFER_SIZE_TAG: { 535 SkAutoMalloc storage(size); 536 stream->read(storage.get(), size); 537 538 SkOrderedReadBuffer buffer(storage.get(), size); 539 buffer.setFlags(pictInfoFlagsToReadBufferFlags(info.fFlags)); 540 buffer.setPictureVersion(info.fVersion); 541 542 fFactoryPlayback->setupBuffer(buffer); 543 fTFPlayback.setupBuffer(buffer); 544 buffer.setBitmapDecoder(proc); 545 546 while (!buffer.eof()) { 547 tag = buffer.readUInt(); 548 size = buffer.readUInt(); 549 this->parseBufferTag(buffer, tag, size); 550 } 551 SkDEBUGCODE(haveBuffer = true;) 552 } break; 553 } 554} 555 556void SkPicturePlayback::parseBufferTag(SkOrderedReadBuffer& buffer, 557 uint32_t tag, size_t size) { 558 switch (tag) { 559 case PICT_BITMAP_BUFFER_TAG: { 560 fBitmaps = SkTRefArray<SkBitmap>::Create(size); 561 for (size_t i = 0; i < size; ++i) { 562 SkBitmap* bm = &fBitmaps->writableAt(i); 563 buffer.readBitmap(bm); 564 bm->setImmutable(); 565 } 566 } break; 567 case PICT_MATRIX_BUFFER_TAG: 568 fMatrices = SkTRefArray<SkMatrix>::Create(size); 569 for (size_t i = 0; i < size; ++i) { 570 buffer.readMatrix(&fMatrices->writableAt(i)); 571 } 572 break; 573 case PICT_PAINT_BUFFER_TAG: { 574 fPaints = SkTRefArray<SkPaint>::Create(size); 575 for (size_t i = 0; i < size; ++i) { 576 buffer.readPaint(&fPaints->writableAt(i)); 577 } 578 } break; 579 case PICT_PATH_BUFFER_TAG: 580 if (size > 0) { 581 fPathHeap.reset(SkNEW_ARGS(SkPathHeap, (buffer))); 582 } 583 break; 584 case PICT_REGION_BUFFER_TAG: { 585 fRegions = SkTRefArray<SkRegion>::Create(size); 586 for (size_t i = 0; i < size; ++i) { 587 buffer.readRegion(&fRegions->writableAt(i)); 588 } 589 } break; 590 } 591} 592 593SkPicturePlayback::SkPicturePlayback(SkStream* stream, const SkPictInfo& info, 594 SkPicture::InstallPixelRefProc proc) { 595 this->init(); 596 597 for (;;) { 598 uint32_t tag = stream->readU32(); 599 if (PICT_EOF_TAG == tag) { 600 break; 601 } 602 603 uint32_t size = stream->readU32(); 604 this->parseStreamTag(stream, info, tag, size, proc); 605 } 606} 607 608/////////////////////////////////////////////////////////////////////////////// 609/////////////////////////////////////////////////////////////////////////////// 610 611#ifdef SPEW_CLIP_SKIPPING 612struct SkipClipRec { 613 int fCount; 614 size_t fSize; 615 616 SkipClipRec() { 617 fCount = 0; 618 fSize = 0; 619 } 620 621 void recordSkip(size_t bytes) { 622 fCount += 1; 623 fSize += bytes; 624 } 625}; 626#endif 627 628#ifdef SK_DEVELOPER 629size_t SkPicturePlayback::preDraw(size_t offset, int type) { 630 return 0; 631} 632 633void SkPicturePlayback::postDraw(size_t offset) { 634} 635#endif 636 637/* 638 * Read the next op code and chunk size from 'reader'. The returned size 639 * is the entire size of the chunk (including the opcode). Thus, the 640 * offset just prior to calling read_op_and_size + 'size' is the offset 641 * to the next chunk's op code. This also means that the size of a chunk 642 * with no arguments (just an opcode) will be 4. 643 */ 644static DrawType read_op_and_size(SkReader32* reader, uint32_t* size) { 645 uint32_t temp = reader->readInt(); 646 uint32_t op; 647 if (((uint8_t) temp) == temp) { 648 // old skp file - no size information 649 op = temp; 650 *size = 0; 651 } else { 652 UNPACK_8_24(temp, op, *size); 653 if (MASK_24 == *size) { 654 *size = reader->readInt(); 655 } 656 } 657 return (DrawType) op; 658} 659 660void SkPicturePlayback::draw(SkCanvas& canvas) { 661#ifdef ENABLE_TIME_DRAW 662 SkAutoTime at("SkPicture::draw", 50); 663#endif 664 665#ifdef SPEW_CLIP_SKIPPING 666 SkipClipRec skipRect, skipRRect, skipRegion, skipPath; 667#endif 668 669#ifdef SK_BUILD_FOR_ANDROID 670 SkAutoMutexAcquire autoMutex(fDrawMutex); 671#endif 672 673 // kDrawComplete will be the signal that we have reached the end of 674 // the command stream 675 static const uint32_t kDrawComplete = SK_MaxU32; 676 677 SkReader32 reader(fOpData->bytes(), fOpData->size()); 678 TextContainer text; 679 SkTDArray<void*> results; 680 681 if (NULL != fStateTree && NULL != fBoundingHierarchy) { 682 SkRect clipBounds; 683 if (canvas.getClipBounds(&clipBounds)) { 684 SkIRect query; 685 clipBounds.roundOut(&query); 686 fBoundingHierarchy->search(query, &results); 687 if (results.count() == 0) { 688 return; 689 } 690 SkTQSort<SkPictureStateTree::Draw>( 691 reinterpret_cast<SkPictureStateTree::Draw**>(results.begin()), 692 reinterpret_cast<SkPictureStateTree::Draw**>(results.end()-1)); 693 } 694 } 695 696 SkPictureStateTree::Iterator it = (NULL == fStateTree) ? 697 SkPictureStateTree::Iterator() : 698 fStateTree->getIterator(results, &canvas); 699 700 if (it.isValid()) { 701 uint32_t skipTo = it.draw(); 702 if (kDrawComplete == skipTo) { 703 return; 704 } 705 reader.setOffset(skipTo); 706 } 707 708 // Record this, so we can concat w/ it if we encounter a setMatrix() 709 SkMatrix initialMatrix = canvas.getTotalMatrix(); 710 711#ifdef SK_BUILD_FOR_ANDROID 712 fAbortCurrentPlayback = false; 713#endif 714 715 while (!reader.eof()) { 716#ifdef SK_BUILD_FOR_ANDROID 717 if (fAbortCurrentPlayback) { 718 return; 719 } 720#endif 721 722 size_t curOffset = reader.offset(); 723 uint32_t size; 724 DrawType op = read_op_and_size(&reader, &size); 725 size_t skipTo = 0; 726#ifdef SK_DEVELOPER 727 // TODO: once chunk sizes are in all .skps just use 728 // "curOffset + size" 729 skipTo = this->preDraw(curOffset, op); 730#endif 731 if (0 == skipTo && NOOP == op) { 732 // NOOPs are to be ignored - do not propagate them any further 733 skipTo = curOffset + size; 734 } 735 736 if (0 != skipTo) { 737 if (it.isValid()) { 738 // If using a bounding box hierarchy, advance the state tree 739 // iterator until at or after skipTo 740 uint32_t adjustedSkipTo; 741 do { 742 adjustedSkipTo = it.draw(); 743 } while (adjustedSkipTo < skipTo); 744 skipTo = adjustedSkipTo; 745 } 746 if (kDrawComplete == skipTo) { 747 break; 748 } 749 reader.setOffset(skipTo); 750 continue; 751 } 752 753 switch (op) { 754 case CLIP_PATH: { 755 const SkPath& path = getPath(reader); 756 uint32_t packed = reader.readInt(); 757 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); 758 bool doAA = ClipParams_unpackDoAA(packed); 759 size_t offsetToRestore = reader.readInt(); 760 SkASSERT(!offsetToRestore || \ 761 offsetToRestore >= reader.offset()); 762 if (!canvas.clipPath(path, regionOp, doAA) && offsetToRestore) { 763#ifdef SPEW_CLIP_SKIPPING 764 skipPath.recordSkip(offsetToRestore - reader.offset()); 765#endif 766 reader.setOffset(offsetToRestore); 767 } 768 } break; 769 case CLIP_REGION: { 770 const SkRegion& region = getRegion(reader); 771 uint32_t packed = reader.readInt(); 772 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); 773 size_t offsetToRestore = reader.readInt(); 774 SkASSERT(!offsetToRestore || \ 775 offsetToRestore >= reader.offset()); 776 if (!canvas.clipRegion(region, regionOp) && offsetToRestore) { 777#ifdef SPEW_CLIP_SKIPPING 778 skipRegion.recordSkip(offsetToRestore - reader.offset()); 779#endif 780 reader.setOffset(offsetToRestore); 781 } 782 } break; 783 case CLIP_RECT: { 784 const SkRect& rect = reader.skipT<SkRect>(); 785 uint32_t packed = reader.readInt(); 786 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); 787 bool doAA = ClipParams_unpackDoAA(packed); 788 size_t offsetToRestore = reader.readInt(); 789 SkASSERT(!offsetToRestore || \ 790 offsetToRestore >= reader.offset()); 791 if (!canvas.clipRect(rect, regionOp, doAA) && offsetToRestore) { 792#ifdef SPEW_CLIP_SKIPPING 793 skipRect.recordSkip(offsetToRestore - reader.offset()); 794#endif 795 reader.setOffset(offsetToRestore); 796 } 797 } break; 798 case CLIP_RRECT: { 799 SkRRect rrect; 800 reader.readRRect(&rrect); 801 uint32_t packed = reader.readInt(); 802 SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); 803 bool doAA = ClipParams_unpackDoAA(packed); 804 size_t offsetToRestore = reader.readInt(); 805 SkASSERT(!offsetToRestore || \ 806 offsetToRestore >= reader.offset()); 807 if (!canvas.clipRRect(rrect, regionOp, doAA) && offsetToRestore) { 808#ifdef SPEW_CLIP_SKIPPING 809 skipRRect.recordSkip(offsetToRestore - reader.offset()); 810#endif 811 reader.setOffset(offsetToRestore); 812 } 813 } break; 814 case CONCAT: 815 canvas.concat(*getMatrix(reader)); 816 break; 817 case DRAW_BITMAP: { 818 const SkPaint* paint = getPaint(reader); 819 const SkBitmap& bitmap = getBitmap(reader); 820 const SkPoint& loc = reader.skipT<SkPoint>(); 821 canvas.drawBitmap(bitmap, loc.fX, loc.fY, paint); 822 } break; 823 case DRAW_BITMAP_RECT_TO_RECT: { 824 const SkPaint* paint = getPaint(reader); 825 const SkBitmap& bitmap = getBitmap(reader); 826 const SkRect* src = this->getRectPtr(reader); // may be null 827 const SkRect& dst = reader.skipT<SkRect>(); // required 828 canvas.drawBitmapRectToRect(bitmap, src, dst, paint); 829 } break; 830 case DRAW_BITMAP_MATRIX: { 831 const SkPaint* paint = getPaint(reader); 832 const SkBitmap& bitmap = getBitmap(reader); 833 const SkMatrix* matrix = getMatrix(reader); 834 canvas.drawBitmapMatrix(bitmap, *matrix, paint); 835 } break; 836 case DRAW_BITMAP_NINE: { 837 const SkPaint* paint = getPaint(reader); 838 const SkBitmap& bitmap = getBitmap(reader); 839 const SkIRect& src = reader.skipT<SkIRect>(); 840 const SkRect& dst = reader.skipT<SkRect>(); 841 canvas.drawBitmapNine(bitmap, src, dst, paint); 842 } break; 843 case DRAW_CLEAR: 844 canvas.clear(reader.readInt()); 845 break; 846 case DRAW_DATA: { 847 size_t length = reader.readInt(); 848 canvas.drawData(reader.skip(length), length); 849 // skip handles padding the read out to a multiple of 4 850 } break; 851 case DRAW_OVAL: { 852 const SkPaint& paint = *getPaint(reader); 853 canvas.drawOval(reader.skipT<SkRect>(), paint); 854 } break; 855 case DRAW_PAINT: 856 canvas.drawPaint(*getPaint(reader)); 857 break; 858 case DRAW_PATH: { 859 const SkPaint& paint = *getPaint(reader); 860 canvas.drawPath(getPath(reader), paint); 861 } break; 862 case DRAW_PICTURE: 863 canvas.drawPicture(getPicture(reader)); 864 break; 865 case DRAW_POINTS: { 866 const SkPaint& paint = *getPaint(reader); 867 SkCanvas::PointMode mode = (SkCanvas::PointMode)reader.readInt(); 868 size_t count = reader.readInt(); 869 const SkPoint* pts = (const SkPoint*)reader.skip(sizeof(SkPoint) * count); 870 canvas.drawPoints(mode, count, pts, paint); 871 } break; 872 case DRAW_POS_TEXT: { 873 const SkPaint& paint = *getPaint(reader); 874 getText(reader, &text); 875 size_t points = reader.readInt(); 876 const SkPoint* pos = (const SkPoint*)reader.skip(points * sizeof(SkPoint)); 877 canvas.drawPosText(text.text(), text.length(), pos, paint); 878 } break; 879 case DRAW_POS_TEXT_TOP_BOTTOM: { 880 const SkPaint& paint = *getPaint(reader); 881 getText(reader, &text); 882 size_t points = reader.readInt(); 883 const SkPoint* pos = (const SkPoint*)reader.skip(points * sizeof(SkPoint)); 884 const SkScalar top = reader.readScalar(); 885 const SkScalar bottom = reader.readScalar(); 886 if (!canvas.quickRejectY(top, bottom)) { 887 canvas.drawPosText(text.text(), text.length(), pos, paint); 888 } 889 } break; 890 case DRAW_POS_TEXT_H: { 891 const SkPaint& paint = *getPaint(reader); 892 getText(reader, &text); 893 size_t xCount = reader.readInt(); 894 const SkScalar constY = reader.readScalar(); 895 const SkScalar* xpos = (const SkScalar*)reader.skip(xCount * sizeof(SkScalar)); 896 canvas.drawPosTextH(text.text(), text.length(), xpos, constY, 897 paint); 898 } break; 899 case DRAW_POS_TEXT_H_TOP_BOTTOM: { 900 const SkPaint& paint = *getPaint(reader); 901 getText(reader, &text); 902 size_t xCount = reader.readInt(); 903 const SkScalar* xpos = (const SkScalar*)reader.skip((3 + xCount) * sizeof(SkScalar)); 904 const SkScalar top = *xpos++; 905 const SkScalar bottom = *xpos++; 906 const SkScalar constY = *xpos++; 907 if (!canvas.quickRejectY(top, bottom)) { 908 canvas.drawPosTextH(text.text(), text.length(), xpos, 909 constY, paint); 910 } 911 } break; 912 case DRAW_RECT: { 913 const SkPaint& paint = *getPaint(reader); 914 canvas.drawRect(reader.skipT<SkRect>(), paint); 915 } break; 916 case DRAW_RRECT: { 917 const SkPaint& paint = *getPaint(reader); 918 SkRRect rrect; 919 canvas.drawRRect(*reader.readRRect(&rrect), paint); 920 } break; 921 case DRAW_SPRITE: { 922 const SkPaint* paint = getPaint(reader); 923 const SkBitmap& bitmap = getBitmap(reader); 924 int left = reader.readInt(); 925 int top = reader.readInt(); 926 canvas.drawSprite(bitmap, left, top, paint); 927 } break; 928 case DRAW_TEXT: { 929 const SkPaint& paint = *getPaint(reader); 930 getText(reader, &text); 931 SkScalar x = reader.readScalar(); 932 SkScalar y = reader.readScalar(); 933 canvas.drawText(text.text(), text.length(), x, y, paint); 934 } break; 935 case DRAW_TEXT_TOP_BOTTOM: { 936 const SkPaint& paint = *getPaint(reader); 937 getText(reader, &text); 938 const SkScalar* ptr = (const SkScalar*)reader.skip(4 * sizeof(SkScalar)); 939 // ptr[0] == x 940 // ptr[1] == y 941 // ptr[2] == top 942 // ptr[3] == bottom 943 if (!canvas.quickRejectY(ptr[2], ptr[3])) { 944 canvas.drawText(text.text(), text.length(), ptr[0], ptr[1], 945 paint); 946 } 947 } break; 948 case DRAW_TEXT_ON_PATH: { 949 const SkPaint& paint = *getPaint(reader); 950 getText(reader, &text); 951 const SkPath& path = getPath(reader); 952 const SkMatrix* matrix = getMatrix(reader); 953 canvas.drawTextOnPath(text.text(), text.length(), path, 954 matrix, paint); 955 } break; 956 case DRAW_VERTICES: { 957 const SkPaint& paint = *getPaint(reader); 958 DrawVertexFlags flags = (DrawVertexFlags)reader.readInt(); 959 SkCanvas::VertexMode vmode = (SkCanvas::VertexMode)reader.readInt(); 960 int vCount = reader.readInt(); 961 const SkPoint* verts = (const SkPoint*)reader.skip( 962 vCount * sizeof(SkPoint)); 963 const SkPoint* texs = NULL; 964 const SkColor* colors = NULL; 965 const uint16_t* indices = NULL; 966 int iCount = 0; 967 if (flags & DRAW_VERTICES_HAS_TEXS) { 968 texs = (const SkPoint*)reader.skip( 969 vCount * sizeof(SkPoint)); 970 } 971 if (flags & DRAW_VERTICES_HAS_COLORS) { 972 colors = (const SkColor*)reader.skip( 973 vCount * sizeof(SkColor)); 974 } 975 if (flags & DRAW_VERTICES_HAS_INDICES) { 976 iCount = reader.readInt(); 977 indices = (const uint16_t*)reader.skip( 978 iCount * sizeof(uint16_t)); 979 } 980 canvas.drawVertices(vmode, vCount, verts, texs, colors, NULL, 981 indices, iCount, paint); 982 } break; 983 case RESTORE: 984 canvas.restore(); 985 break; 986 case ROTATE: 987 canvas.rotate(reader.readScalar()); 988 break; 989 case SAVE: 990 canvas.save((SkCanvas::SaveFlags) reader.readInt()); 991 break; 992 case SAVE_LAYER: { 993 const SkRect* boundsPtr = getRectPtr(reader); 994 const SkPaint* paint = getPaint(reader); 995 canvas.saveLayer(boundsPtr, paint, (SkCanvas::SaveFlags) reader.readInt()); 996 } break; 997 case SCALE: { 998 SkScalar sx = reader.readScalar(); 999 SkScalar sy = reader.readScalar(); 1000 canvas.scale(sx, sy); 1001 } break; 1002 case SET_MATRIX: { 1003 SkMatrix matrix; 1004 matrix.setConcat(initialMatrix, *getMatrix(reader)); 1005 canvas.setMatrix(matrix); 1006 } break; 1007 case SKEW: { 1008 SkScalar sx = reader.readScalar(); 1009 SkScalar sy = reader.readScalar(); 1010 canvas.skew(sx, sy); 1011 } break; 1012 case TRANSLATE: { 1013 SkScalar dx = reader.readScalar(); 1014 SkScalar dy = reader.readScalar(); 1015 canvas.translate(dx, dy); 1016 } break; 1017 default: 1018 SkASSERT(0); 1019 } 1020 1021#ifdef SK_DEVELOPER 1022 this->postDraw(curOffset); 1023#endif 1024 1025 if (it.isValid()) { 1026 uint32_t skipTo = it.draw(); 1027 if (kDrawComplete == skipTo) { 1028 break; 1029 } 1030 reader.setOffset(skipTo); 1031 } 1032 } 1033 1034#ifdef SPEW_CLIP_SKIPPING 1035 { 1036 size_t size = skipRect.fSize + skipRRect.fSize + skipPath.fSize + skipRegion.fSize; 1037 SkDebugf("--- Clip skips %d%% rect:%d rrect:%d path:%d rgn:%d\n", 1038 size * 100 / reader.offset(), skipRect.fCount, skipRRect.fCount, 1039 skipPath.fCount, skipRegion.fCount); 1040 } 1041#endif 1042// this->dumpSize(); 1043} 1044 1045/////////////////////////////////////////////////////////////////////////////// 1046 1047#ifdef SK_DEBUG_SIZE 1048int SkPicturePlayback::size(size_t* sizePtr) { 1049 int objects = bitmaps(sizePtr); 1050 objects += paints(sizePtr); 1051 objects += paths(sizePtr); 1052 objects += pictures(sizePtr); 1053 objects += regions(sizePtr); 1054 *sizePtr = fOpData.size(); 1055 return objects; 1056} 1057 1058int SkPicturePlayback::bitmaps(size_t* size) { 1059 size_t result = 0; 1060 for (int index = 0; index < fBitmapCount; index++) { 1061 // const SkBitmap& bitmap = fBitmaps[index]; 1062 result += sizeof(SkBitmap); // bitmap->size(); 1063 } 1064 *size = result; 1065 return fBitmapCount; 1066} 1067 1068int SkPicturePlayback::paints(size_t* size) { 1069 size_t result = 0; 1070 for (int index = 0; index < fPaintCount; index++) { 1071 // const SkPaint& paint = fPaints[index]; 1072 result += sizeof(SkPaint); // paint->size(); 1073 } 1074 *size = result; 1075 return fPaintCount; 1076} 1077 1078int SkPicturePlayback::paths(size_t* size) { 1079 size_t result = 0; 1080 for (int index = 0; index < fPathCount; index++) { 1081 const SkPath& path = fPaths[index]; 1082 result += path.flatten(NULL); 1083 } 1084 *size = result; 1085 return fPathCount; 1086} 1087 1088int SkPicturePlayback::regions(size_t* size) { 1089 size_t result = 0; 1090 for (int index = 0; index < fRegionCount; index++) { 1091 // const SkRegion& region = fRegions[index]; 1092 result += sizeof(SkRegion); // region->size(); 1093 } 1094 *size = result; 1095 return fRegionCount; 1096} 1097#endif 1098 1099#ifdef SK_DEBUG_DUMP 1100void SkPicturePlayback::dumpBitmap(const SkBitmap& bitmap) const { 1101 char pBuffer[DUMP_BUFFER_SIZE]; 1102 char* bufferPtr = pBuffer; 1103 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1104 "BitmapData bitmap%p = {", &bitmap); 1105 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1106 "{kWidth, %d}, ", bitmap.width()); 1107 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1108 "{kHeight, %d}, ", bitmap.height()); 1109 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1110 "{kRowBytes, %d}, ", bitmap.rowBytes()); 1111// start here; 1112 SkDebugf("%s{0}};\n", pBuffer); 1113} 1114 1115void dumpMatrix(const SkMatrix& matrix) const { 1116 SkMatrix defaultMatrix; 1117 defaultMatrix.reset(); 1118 char pBuffer[DUMP_BUFFER_SIZE]; 1119 char* bufferPtr = pBuffer; 1120 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1121 "MatrixData matrix%p = {", &matrix); 1122 SkScalar scaleX = matrix.getScaleX(); 1123 if (scaleX != defaultMatrix.getScaleX()) 1124 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1125 "{kScaleX, %g}, ", SkScalarToFloat(scaleX)); 1126 SkScalar scaleY = matrix.getScaleY(); 1127 if (scaleY != defaultMatrix.getScaleY()) 1128 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1129 "{kScaleY, %g}, ", SkScalarToFloat(scaleY)); 1130 SkScalar skewX = matrix.getSkewX(); 1131 if (skewX != defaultMatrix.getSkewX()) 1132 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1133 "{kSkewX, %g}, ", SkScalarToFloat(skewX)); 1134 SkScalar skewY = matrix.getSkewY(); 1135 if (skewY != defaultMatrix.getSkewY()) 1136 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1137 "{kSkewY, %g}, ", SkScalarToFloat(skewY)); 1138 SkScalar translateX = matrix.getTranslateX(); 1139 if (translateX != defaultMatrix.getTranslateX()) 1140 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1141 "{kTranslateX, %g}, ", SkScalarToFloat(translateX)); 1142 SkScalar translateY = matrix.getTranslateY(); 1143 if (translateY != defaultMatrix.getTranslateY()) 1144 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1145 "{kTranslateY, %g}, ", SkScalarToFloat(translateY)); 1146 SkScalar perspX = matrix.getPerspX(); 1147 if (perspX != defaultMatrix.getPerspX()) 1148 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1149 "{kPerspX, %g}, ", SkFractToFloat(perspX)); 1150 SkScalar perspY = matrix.getPerspY(); 1151 if (perspY != defaultMatrix.getPerspY()) 1152 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1153 "{kPerspY, %g}, ", SkFractToFloat(perspY)); 1154 SkDebugf("%s{0}};\n", pBuffer); 1155} 1156 1157void dumpPaint(const SkPaint& paint) const { 1158 SkPaint defaultPaint; 1159 char pBuffer[DUMP_BUFFER_SIZE]; 1160 char* bufferPtr = pBuffer; 1161 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1162 "PaintPointers paintPtrs%p = {", &paint); 1163 const SkTypeface* typeface = paint.getTypeface(); 1164 if (typeface != defaultPaint.getTypeface()) 1165 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1166 "{kTypeface, %p}, ", typeface); 1167 const SkPathEffect* pathEffect = paint.getPathEffect(); 1168 if (pathEffect != defaultPaint.getPathEffect()) 1169 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1170 "{kPathEffect, %p}, ", pathEffect); 1171 const SkShader* shader = paint.getShader(); 1172 if (shader != defaultPaint.getShader()) 1173 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1174 "{kShader, %p}, ", shader); 1175 const SkXfermode* xfermode = paint.getXfermode(); 1176 if (xfermode != defaultPaint.getXfermode()) 1177 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1178 "{kXfermode, %p}, ", xfermode); 1179 const SkMaskFilter* maskFilter = paint.getMaskFilter(); 1180 if (maskFilter != defaultPaint.getMaskFilter()) 1181 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1182 "{kMaskFilter, %p}, ", maskFilter); 1183 const SkColorFilter* colorFilter = paint.getColorFilter(); 1184 if (colorFilter != defaultPaint.getColorFilter()) 1185 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1186 "{kColorFilter, %p}, ", colorFilter); 1187 const SkRasterizer* rasterizer = paint.getRasterizer(); 1188 if (rasterizer != defaultPaint.getRasterizer()) 1189 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1190 "{kRasterizer, %p}, ", rasterizer); 1191 const SkDrawLooper* drawLooper = paint.getLooper(); 1192 if (drawLooper != defaultPaint.getLooper()) 1193 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1194 "{kDrawLooper, %p}, ", drawLooper); 1195 SkDebugf("%s{0}};\n", pBuffer); 1196 bufferPtr = pBuffer; 1197 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1198 "PaintScalars paintScalars%p = {", &paint); 1199 SkScalar textSize = paint.getTextSize(); 1200 if (textSize != defaultPaint.getTextSize()) 1201 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1202 "{kTextSize, %g}, ", SkScalarToFloat(textSize)); 1203 SkScalar textScaleX = paint.getTextScaleX(); 1204 if (textScaleX != defaultPaint.getTextScaleX()) 1205 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1206 "{kTextScaleX, %g}, ", SkScalarToFloat(textScaleX)); 1207 SkScalar textSkewX = paint.getTextSkewX(); 1208 if (textSkewX != defaultPaint.getTextSkewX()) 1209 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1210 "{kTextSkewX, %g}, ", SkScalarToFloat(textSkewX)); 1211 SkScalar strokeWidth = paint.getStrokeWidth(); 1212 if (strokeWidth != defaultPaint.getStrokeWidth()) 1213 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1214 "{kStrokeWidth, %g}, ", SkScalarToFloat(strokeWidth)); 1215 SkScalar strokeMiter = paint.getStrokeMiter(); 1216 if (strokeMiter != defaultPaint.getStrokeMiter()) 1217 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1218 "{kStrokeMiter, %g}, ", SkScalarToFloat(strokeMiter)); 1219 SkDebugf("%s{0}};\n", pBuffer); 1220 bufferPtr = pBuffer; 1221 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1222 "PaintInts = paintInts%p = {", &paint); 1223 unsigned color = paint.getColor(); 1224 if (color != defaultPaint.getColor()) 1225 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1226 "{kColor, 0x%x}, ", color); 1227 unsigned flags = paint.getFlags(); 1228 if (flags != defaultPaint.getFlags()) 1229 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1230 "{kFlags, 0x%x}, ", flags); 1231 int align = paint.getTextAlign(); 1232 if (align != defaultPaint.getTextAlign()) 1233 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1234 "{kAlign, 0x%x}, ", align); 1235 int strokeCap = paint.getStrokeCap(); 1236 if (strokeCap != defaultPaint.getStrokeCap()) 1237 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1238 "{kStrokeCap, 0x%x}, ", strokeCap); 1239 int strokeJoin = paint.getStrokeJoin(); 1240 if (strokeJoin != defaultPaint.getStrokeJoin()) 1241 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1242 "{kAlign, 0x%x}, ", strokeJoin); 1243 int style = paint.getStyle(); 1244 if (style != defaultPaint.getStyle()) 1245 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1246 "{kStyle, 0x%x}, ", style); 1247 int textEncoding = paint.getTextEncoding(); 1248 if (textEncoding != defaultPaint.getTextEncoding()) 1249 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1250 "{kTextEncoding, 0x%x}, ", textEncoding); 1251 SkDebugf("%s{0}};\n", pBuffer); 1252 1253 SkDebugf("PaintData paint%p = {paintPtrs%p, paintScalars%p, paintInts%p};\n", 1254 &paint, &paint, &paint, &paint); 1255} 1256 1257void SkPicturePlayback::dumpPath(const SkPath& path) const { 1258 SkDebugf("path dump unimplemented\n"); 1259} 1260 1261void SkPicturePlayback::dumpPicture(const SkPicture& picture) const { 1262 SkDebugf("picture dump unimplemented\n"); 1263} 1264 1265void SkPicturePlayback::dumpRegion(const SkRegion& region) const { 1266 SkDebugf("region dump unimplemented\n"); 1267} 1268 1269int SkPicturePlayback::dumpDrawType(char* bufferPtr, char* buffer, DrawType drawType) { 1270 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1271 "k%s, ", DrawTypeToString(drawType)); 1272} 1273 1274int SkPicturePlayback::dumpInt(char* bufferPtr, char* buffer, char* name) { 1275 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1276 "%s:%d, ", name, getInt()); 1277} 1278 1279int SkPicturePlayback::dumpRect(char* bufferPtr, char* buffer, char* name) { 1280 const SkRect* rect = fReader.skipRect(); 1281 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1282 "%s:{l:%g t:%g r:%g b:%g}, ", name, SkScalarToFloat(rect.fLeft), 1283 SkScalarToFloat(rect.fTop), 1284 SkScalarToFloat(rect.fRight), SkScalarToFloat(rect.fBottom)); 1285} 1286 1287int SkPicturePlayback::dumpPoint(char* bufferPtr, char* buffer, char* name) { 1288 SkPoint pt; 1289 getPoint(&pt); 1290 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1291 "%s:{x:%g y:%g}, ", name, SkScalarToFloat(pt.fX), 1292 SkScalarToFloat(pt.fY)); 1293} 1294 1295void SkPicturePlayback::dumpPointArray(char** bufferPtrPtr, char* buffer, int count) { 1296 char* bufferPtr = *bufferPtrPtr; 1297 const SkPoint* pts = (const SkPoint*)fReadStream.getAtPos(); 1298 fReadStream.skip(sizeof(SkPoint) * count); 1299 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1300 "count:%d {", count); 1301 for (int index = 0; index < count; index++) 1302 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1303 "{x:%g y:%g}, ", SkScalarToFloat(pts[index].fX), 1304 SkScalarToFloat(pts[index].fY)); 1305 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1306 "} "); 1307 *bufferPtrPtr = bufferPtr; 1308} 1309 1310int SkPicturePlayback::dumpPtr(char* bufferPtr, char* buffer, char* name, void* ptr) { 1311 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1312 "%s:%p, ", name, ptr); 1313} 1314 1315int SkPicturePlayback::dumpRectPtr(char* bufferPtr, char* buffer, char* name) { 1316 char result; 1317 fReadStream.read(&result, sizeof(result)); 1318 if (result) 1319 return dumpRect(bufferPtr, buffer, name); 1320 else 1321 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1322 "%s:NULL, ", name); 1323} 1324 1325int SkPicturePlayback::dumpScalar(char* bufferPtr, char* buffer, char* name) { 1326 return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), 1327 "%s:%d, ", name, getScalar()); 1328} 1329 1330void SkPicturePlayback::dumpText(char** bufferPtrPtr, char* buffer) { 1331 char* bufferPtr = *bufferPtrPtr; 1332 int length = getInt(); 1333 bufferPtr += dumpDrawType(bufferPtr, buffer); 1334 fReadStream.skipToAlign4(); 1335 char* text = (char*) fReadStream.getAtPos(); 1336 fReadStream.skip(length); 1337 bufferPtr += dumpInt(bufferPtr, buffer, "length"); 1338 int limit = DUMP_BUFFER_SIZE - (bufferPtr - buffer) - 2; 1339 length >>= 1; 1340 if (limit > length) 1341 limit = length; 1342 if (limit > 0) { 1343 *bufferPtr++ = '"'; 1344 for (int index = 0; index < limit; index++) { 1345 *bufferPtr++ = *(unsigned short*) text; 1346 text += sizeof(unsigned short); 1347 } 1348 *bufferPtr++ = '"'; 1349 } 1350 *bufferPtrPtr = bufferPtr; 1351} 1352 1353#define DUMP_DRAWTYPE(drawType) \ 1354 bufferPtr += dumpDrawType(bufferPtr, buffer, drawType) 1355 1356#define DUMP_INT(name) \ 1357 bufferPtr += dumpInt(bufferPtr, buffer, #name) 1358 1359#define DUMP_RECT_PTR(name) \ 1360 bufferPtr += dumpRectPtr(bufferPtr, buffer, #name) 1361 1362#define DUMP_POINT(name) \ 1363 bufferPtr += dumpRect(bufferPtr, buffer, #name) 1364 1365#define DUMP_RECT(name) \ 1366 bufferPtr += dumpRect(bufferPtr, buffer, #name) 1367 1368#define DUMP_POINT_ARRAY(count) \ 1369 dumpPointArray(&bufferPtr, buffer, count) 1370 1371#define DUMP_PTR(name, ptr) \ 1372 bufferPtr += dumpPtr(bufferPtr, buffer, #name, (void*) ptr) 1373 1374#define DUMP_SCALAR(name) \ 1375 bufferPtr += dumpScalar(bufferPtr, buffer, #name) 1376 1377#define DUMP_TEXT() \ 1378 dumpText(&bufferPtr, buffer) 1379 1380void SkPicturePlayback::dumpStream() { 1381 SkDebugf("RecordStream stream = {\n"); 1382 DrawType drawType; 1383 TextContainer text; 1384 fReadStream.rewind(); 1385 char buffer[DUMP_BUFFER_SIZE], * bufferPtr; 1386 while (fReadStream.read(&drawType, sizeof(drawType))) { 1387 bufferPtr = buffer; 1388 DUMP_DRAWTYPE(drawType); 1389 switch (drawType) { 1390 case CLIP_PATH: { 1391 DUMP_PTR(SkPath, &getPath()); 1392 DUMP_INT(SkRegion::Op); 1393 DUMP_INT(offsetToRestore); 1394 } break; 1395 case CLIP_REGION: { 1396 DUMP_PTR(SkRegion, &getRegion()); 1397 DUMP_INT(SkRegion::Op); 1398 DUMP_INT(offsetToRestore); 1399 } break; 1400 case CLIP_RECT: { 1401 DUMP_RECT(rect); 1402 DUMP_INT(SkRegion::Op); 1403 DUMP_INT(offsetToRestore); 1404 } break; 1405 case CONCAT: 1406 DUMP_PTR(SkMatrix, getMatrix()); 1407 break; 1408 case DRAW_BITMAP: { 1409 DUMP_PTR(SkPaint, getPaint()); 1410 DUMP_PTR(SkBitmap, &getBitmap()); 1411 DUMP_SCALAR(left); 1412 DUMP_SCALAR(top); 1413 } break; 1414 case DRAW_PAINT: 1415 DUMP_PTR(SkPaint, getPaint()); 1416 break; 1417 case DRAW_PATH: { 1418 DUMP_PTR(SkPaint, getPaint()); 1419 DUMP_PTR(SkPath, &getPath()); 1420 } break; 1421 case DRAW_PICTURE: { 1422 DUMP_PTR(SkPicture, &getPicture()); 1423 } break; 1424 case DRAW_POINTS: { 1425 DUMP_PTR(SkPaint, getPaint()); 1426 (void)getInt(); // PointMode 1427 size_t count = getInt(); 1428 fReadStream.skipToAlign4(); 1429 DUMP_POINT_ARRAY(count); 1430 } break; 1431 case DRAW_POS_TEXT: { 1432 DUMP_PTR(SkPaint, getPaint()); 1433 DUMP_TEXT(); 1434 size_t points = getInt(); 1435 fReadStream.skipToAlign4(); 1436 DUMP_POINT_ARRAY(points); 1437 } break; 1438 case DRAW_POS_TEXT_H: { 1439 DUMP_PTR(SkPaint, getPaint()); 1440 DUMP_TEXT(); 1441 size_t points = getInt(); 1442 fReadStream.skipToAlign4(); 1443 DUMP_SCALAR(top); 1444 DUMP_SCALAR(bottom); 1445 DUMP_SCALAR(constY); 1446 DUMP_POINT_ARRAY(points); 1447 } break; 1448 case DRAW_RECT: { 1449 DUMP_PTR(SkPaint, getPaint()); 1450 DUMP_RECT(rect); 1451 } break; 1452 case DRAW_SPRITE: { 1453 DUMP_PTR(SkPaint, getPaint()); 1454 DUMP_PTR(SkBitmap, &getBitmap()); 1455 DUMP_SCALAR(left); 1456 DUMP_SCALAR(top); 1457 } break; 1458 case DRAW_TEXT: { 1459 DUMP_PTR(SkPaint, getPaint()); 1460 DUMP_TEXT(); 1461 DUMP_SCALAR(x); 1462 DUMP_SCALAR(y); 1463 } break; 1464 case DRAW_TEXT_ON_PATH: { 1465 DUMP_PTR(SkPaint, getPaint()); 1466 DUMP_TEXT(); 1467 DUMP_PTR(SkPath, &getPath()); 1468 DUMP_PTR(SkMatrix, getMatrix()); 1469 } break; 1470 case RESTORE: 1471 break; 1472 case ROTATE: 1473 DUMP_SCALAR(rotate); 1474 break; 1475 case SAVE: 1476 DUMP_INT(SkCanvas::SaveFlags); 1477 break; 1478 case SAVE_LAYER: { 1479 DUMP_RECT_PTR(layer); 1480 DUMP_PTR(SkPaint, getPaint()); 1481 DUMP_INT(SkCanvas::SaveFlags); 1482 } break; 1483 case SCALE: { 1484 DUMP_SCALAR(sx); 1485 DUMP_SCALAR(sy); 1486 } break; 1487 case SKEW: { 1488 DUMP_SCALAR(sx); 1489 DUMP_SCALAR(sy); 1490 } break; 1491 case TRANSLATE: { 1492 DUMP_SCALAR(dx); 1493 DUMP_SCALAR(dy); 1494 } break; 1495 default: 1496 SkASSERT(0); 1497 } 1498 SkDebugf("%s\n", buffer); 1499 } 1500} 1501 1502void SkPicturePlayback::dump() const { 1503 char pBuffer[DUMP_BUFFER_SIZE]; 1504 char* bufferPtr = pBuffer; 1505 int index; 1506 if (fBitmapCount > 0) 1507 SkDebugf("// bitmaps (%d)\n", fBitmapCount); 1508 for (index = 0; index < fBitmapCount; index++) { 1509 const SkBitmap& bitmap = fBitmaps[index]; 1510 dumpBitmap(bitmap); 1511 } 1512 if (fBitmapCount > 0) 1513 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1514 "Bitmaps bitmaps = {"); 1515 for (index = 0; index < fBitmapCount; index++) 1516 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1517 "bitmap%p, ", &fBitmaps[index]); 1518 if (fBitmapCount > 0) 1519 SkDebugf("%s0};\n", pBuffer); 1520 1521 if (fMatrixCount > 0) 1522 SkDebugf("// matrices (%d)\n", fMatrixCount); 1523 for (index = 0; index < fMatrixCount; index++) { 1524 const SkMatrix& matrix = fMatrices[index]; 1525 dumpMatrix(matrix); 1526 } 1527 bufferPtr = pBuffer; 1528 if (fMatrixCount > 0) 1529 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1530 "Matrices matrices = {"); 1531 for (index = 0; index < fMatrixCount; index++) 1532 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1533 "matrix%p, ", &fMatrices[index]); 1534 if (fMatrixCount > 0) 1535 SkDebugf("%s0};\n", pBuffer); 1536 1537 if (fPaintCount > 0) 1538 SkDebugf("// paints (%d)\n", fPaintCount); 1539 for (index = 0; index < fPaintCount; index++) { 1540 const SkPaint& paint = fPaints[index]; 1541 dumpPaint(paint); 1542 } 1543 bufferPtr = pBuffer; 1544 if (fPaintCount > 0) 1545 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1546 "Paints paints = {"); 1547 for (index = 0; index < fPaintCount; index++) 1548 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1549 "paint%p, ", &fPaints[index]); 1550 if (fPaintCount > 0) 1551 SkDebugf("%s0};\n", pBuffer); 1552 1553 for (index = 0; index < fPathCount; index++) { 1554 const SkPath& path = fPaths[index]; 1555 dumpPath(path); 1556 } 1557 bufferPtr = pBuffer; 1558 if (fPathCount > 0) 1559 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1560 "Paths paths = {"); 1561 for (index = 0; index < fPathCount; index++) 1562 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1563 "path%p, ", &fPaths[index]); 1564 if (fPathCount > 0) 1565 SkDebugf("%s0};\n", pBuffer); 1566 1567 for (index = 0; index < fPictureCount; index++) { 1568 dumpPicture(*fPictureRefs[index]); 1569 } 1570 bufferPtr = pBuffer; 1571 if (fPictureCount > 0) 1572 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1573 "Pictures pictures = {"); 1574 for (index = 0; index < fPictureCount; index++) 1575 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1576 "picture%p, ", fPictureRefs[index]); 1577 if (fPictureCount > 0) 1578 SkDebugf("%s0};\n", pBuffer); 1579 1580 for (index = 0; index < fRegionCount; index++) { 1581 const SkRegion& region = fRegions[index]; 1582 dumpRegion(region); 1583 } 1584 bufferPtr = pBuffer; 1585 if (fRegionCount > 0) 1586 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1587 "Regions regions = {"); 1588 for (index = 0; index < fRegionCount; index++) 1589 bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 1590 "region%p, ", &fRegions[index]); 1591 if (fRegionCount > 0) 1592 SkDebugf("%s0};\n", pBuffer); 1593 1594 const_cast<SkPicturePlayback*>(this)->dumpStream(); 1595} 1596 1597#endif 1598