diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/core/SkPicturePlayback.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gfx/skia/trunk/src/core/SkPicturePlayback.cpp Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,1768 @@ + +/* + * Copyright 2011 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ +#include +#include "SkBBoxHierarchy.h" +#include "SkOffsetTable.h" +#include "SkPicturePlayback.h" +#include "SkPictureRecord.h" +#include "SkPictureStateTree.h" +#include "SkReadBuffer.h" +#include "SkTypeface.h" +#include "SkTSort.h" +#include "SkWriteBuffer.h" + +template int SafeCount(const T* obj) { + return obj ? obj->count() : 0; +} + +/* Define this to spew out a debug statement whenever we skip the remainder of + a save/restore block because a clip... command returned false (empty). + */ +#define SPEW_CLIP_SKIPPINGx + +SkPicturePlayback::SkPicturePlayback() { + this->init(); +} + +SkPicturePlayback::SkPicturePlayback(const SkPictureRecord& record, bool deepCopy) { +#ifdef SK_DEBUG_SIZE + size_t overallBytes, bitmapBytes, matricesBytes, + paintBytes, pathBytes, pictureBytes, regionBytes; + int bitmaps = record.bitmaps(&bitmapBytes); + int matrices = record.matrices(&matricesBytes); + int paints = record.paints(&paintBytes); + int paths = record.paths(&pathBytes); + int pictures = record.pictures(&pictureBytes); + int regions = record.regions(®ionBytes); + SkDebugf("picture record mem used %zd (stream %zd) ", record.size(), + record.streamlen()); + if (bitmaps != 0) + SkDebugf("bitmaps size %zd (bitmaps:%d) ", bitmapBytes, bitmaps); + if (matrices != 0) + SkDebugf("matrices size %zd (matrices:%d) ", matricesBytes, matrices); + if (paints != 0) + SkDebugf("paints size %zd (paints:%d) ", paintBytes, paints); + if (paths != 0) + SkDebugf("paths size %zd (paths:%d) ", pathBytes, paths); + if (pictures != 0) + SkDebugf("pictures size %zd (pictures:%d) ", pictureBytes, pictures); + if (regions != 0) + SkDebugf("regions size %zd (regions:%d) ", regionBytes, regions); + if (record.fPointWrites != 0) + SkDebugf("points size %zd (points:%d) ", record.fPointBytes, record.fPointWrites); + if (record.fRectWrites != 0) + SkDebugf("rects size %zd (rects:%d) ", record.fRectBytes, record.fRectWrites); + if (record.fTextWrites != 0) + SkDebugf("text size %zd (text strings:%d) ", record.fTextBytes, record.fTextWrites); + + SkDebugf("\n"); +#endif +#ifdef SK_DEBUG_DUMP + record.dumpMatrices(); + record.dumpPaints(); +#endif + + record.validate(record.writeStream().bytesWritten(), 0); + const SkWriter32& writer = record.writeStream(); + init(); + SkASSERT(!fOpData); + if (writer.bytesWritten() == 0) { + fOpData = SkData::NewEmpty(); + return; + } + fOpData = writer.snapshotAsData(); + + fBoundingHierarchy = record.fBoundingHierarchy; + fStateTree = record.fStateTree; + + SkSafeRef(fBoundingHierarchy); + SkSafeRef(fStateTree); + + if (NULL != fBoundingHierarchy) { + fBoundingHierarchy->flushDeferredInserts(); + } + + // copy over the refcnt dictionary to our reader + record.fFlattenableHeap.setupPlaybacks(); + + fBitmaps = record.fBitmapHeap->extractBitmaps(); + fPaints = record.fPaints.unflattenToArray(); + + fBitmapHeap.reset(SkSafeRef(record.fBitmapHeap)); + fPathHeap.reset(SkSafeRef(record.fPathHeap)); + + fBitmapUseOffsets.reset(SkSafeRef(record.fBitmapUseOffsets.get())); + + // ensure that the paths bounds are pre-computed + if (fPathHeap.get()) { + for (int i = 0; i < fPathHeap->count(); i++) { + (*fPathHeap)[i].updateBoundsCache(); + } + } + + const SkTDArray& pictures = record.getPictureRefs(); + fPictureCount = pictures.count(); + if (fPictureCount > 0) { + fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount); + for (int i = 0; i < fPictureCount; i++) { + if (deepCopy) { + fPictureRefs[i] = pictures[i]->clone(); + } else { + fPictureRefs[i] = pictures[i]; + fPictureRefs[i]->ref(); + } + } + } + +#ifdef SK_DEBUG_SIZE + int overall = fPlayback->size(&overallBytes); + bitmaps = fPlayback->bitmaps(&bitmapBytes); + paints = fPlayback->paints(&paintBytes); + paths = fPlayback->paths(&pathBytes); + pictures = fPlayback->pictures(&pictureBytes); + regions = fPlayback->regions(®ionBytes); + SkDebugf("playback size %zd (objects:%d) ", overallBytes, overall); + if (bitmaps != 0) + SkDebugf("bitmaps size %zd (bitmaps:%d) ", bitmapBytes, bitmaps); + if (paints != 0) + SkDebugf("paints size %zd (paints:%d) ", paintBytes, paints); + if (paths != 0) + SkDebugf("paths size %zd (paths:%d) ", pathBytes, paths); + if (pictures != 0) + SkDebugf("pictures size %zd (pictures:%d) ", pictureBytes, pictures); + if (regions != 0) + SkDebugf("regions size %zd (regions:%d) ", regionBytes, regions); + SkDebugf("\n"); +#endif +} + +static bool needs_deep_copy(const SkPaint& paint) { + /* + * These fields are known to be immutable, and so can be shallow-copied + * + * getTypeface() + * getAnnotation() + * paint.getColorFilter() + * getXfermode() + */ + + return paint.getPathEffect() || + paint.getShader() || + paint.getMaskFilter() || + paint.getRasterizer() || + paint.getLooper() || + paint.getImageFilter(); +} + +SkPicturePlayback::SkPicturePlayback(const SkPicturePlayback& src, SkPictCopyInfo* deepCopyInfo) { + this->init(); + + fBitmapHeap.reset(SkSafeRef(src.fBitmapHeap.get())); + fPathHeap.reset(SkSafeRef(src.fPathHeap.get())); + + fOpData = SkSafeRef(src.fOpData); + + fBoundingHierarchy = src.fBoundingHierarchy; + fStateTree = src.fStateTree; + + SkSafeRef(fBoundingHierarchy); + SkSafeRef(fStateTree); + + if (deepCopyInfo) { + int paintCount = SafeCount(src.fPaints); + + if (src.fBitmaps) { + fBitmaps = SkTRefArray::Create(src.fBitmaps->begin(), src.fBitmaps->count()); + } + + if (!deepCopyInfo->initialized) { + /* The alternative to doing this is to have a clone method on the paint and have it make + * the deep copy of its internal structures as needed. The holdup to doing that is at + * this point we would need to pass the SkBitmapHeap so that we don't unnecessarily + * flatten the pixels in a bitmap shader. + */ + deepCopyInfo->paintData.setCount(paintCount); + + /* Use an SkBitmapHeap to avoid flattening bitmaps in shaders. If there already is one, + * use it. If this SkPicturePlayback was created from a stream, fBitmapHeap will be + * NULL, so create a new one. + */ + if (fBitmapHeap.get() == NULL) { + // FIXME: Put this on the stack inside SkPicture::clone. Further, is it possible to + // do the rest of this initialization in SkPicture::clone as well? + SkBitmapHeap* heap = SkNEW(SkBitmapHeap); + deepCopyInfo->controller.setBitmapStorage(heap); + heap->unref(); + } else { + deepCopyInfo->controller.setBitmapStorage(fBitmapHeap); + } + + SkDEBUGCODE(int heapSize = SafeCount(fBitmapHeap.get());) + for (int i = 0; i < paintCount; i++) { + if (needs_deep_copy(src.fPaints->at(i))) { + deepCopyInfo->paintData[i] = + SkFlatData::Create(&deepCopyInfo->controller, + src.fPaints->at(i), 0); + + } else { + // this is our sentinel, which we use in the unflatten loop + deepCopyInfo->paintData[i] = NULL; + } + } + SkASSERT(SafeCount(fBitmapHeap.get()) == heapSize); + + // needed to create typeface playback + deepCopyInfo->controller.setupPlaybacks(); + deepCopyInfo->initialized = true; + } + + fPaints = SkTRefArray::Create(paintCount); + SkASSERT(deepCopyInfo->paintData.count() == paintCount); + SkBitmapHeap* bmHeap = deepCopyInfo->controller.getBitmapHeap(); + SkTypefacePlayback* tfPlayback = deepCopyInfo->controller.getTypefacePlayback(); + for (int i = 0; i < paintCount; i++) { + if (deepCopyInfo->paintData[i]) { + deepCopyInfo->paintData[i]->unflatten( + &fPaints->writableAt(i), bmHeap, tfPlayback); + } else { + // needs_deep_copy was false, so just need to assign + fPaints->writableAt(i) = src.fPaints->at(i); + } + } + + } else { + fBitmaps = SkSafeRef(src.fBitmaps); + fPaints = SkSafeRef(src.fPaints); + } + + fPictureCount = src.fPictureCount; + fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount); + for (int i = 0; i < fPictureCount; i++) { + if (deepCopyInfo) { + fPictureRefs[i] = src.fPictureRefs[i]->clone(); + } else { + fPictureRefs[i] = src.fPictureRefs[i]; + fPictureRefs[i]->ref(); + } + } +} + +void SkPicturePlayback::init() { + fBitmaps = NULL; + fPaints = NULL; + fPictureRefs = NULL; + fPictureCount = 0; + fOpData = NULL; + fFactoryPlayback = NULL; + fBoundingHierarchy = NULL; + fStateTree = NULL; +} + +SkPicturePlayback::~SkPicturePlayback() { + SkSafeUnref(fOpData); + + SkSafeUnref(fBitmaps); + SkSafeUnref(fPaints); + SkSafeUnref(fBoundingHierarchy); + SkSafeUnref(fStateTree); + + for (int i = 0; i < fPictureCount; i++) { + fPictureRefs[i]->unref(); + } + SkDELETE_ARRAY(fPictureRefs); + + SkDELETE(fFactoryPlayback); +} + +void SkPicturePlayback::dumpSize() const { + SkDebugf("--- picture size: ops=%d bitmaps=%d [%d] paints=%d [%d] paths=%d\n", + fOpData->size(), + SafeCount(fBitmaps), SafeCount(fBitmaps) * sizeof(SkBitmap), + SafeCount(fPaints), SafeCount(fPaints) * sizeof(SkPaint), + SafeCount(fPathHeap.get())); +} + +bool SkPicturePlayback::containsBitmaps() const { + if (fBitmaps && fBitmaps->count() > 0) { + return true; + } + for (int i = 0; i < fPictureCount; ++i) { + if (fPictureRefs[i]->willPlayBackBitmaps()) { + return true; + } + } + return false; +} + +/////////////////////////////////////////////////////////////////////////////// +/////////////////////////////////////////////////////////////////////////////// + +#include "SkStream.h" + +static void write_tag_size(SkWriteBuffer& buffer, uint32_t tag, uint32_t size) { + buffer.writeUInt(tag); + buffer.writeUInt(size); +} + +static void write_tag_size(SkWStream* stream, uint32_t tag, uint32_t size) { + stream->write32(tag); + stream->write32(size); +} + +static size_t compute_chunk_size(SkFlattenable::Factory* array, int count) { + size_t size = 4; // for 'count' + + for (int i = 0; i < count; i++) { + const char* name = SkFlattenable::FactoryToName(array[i]); + if (NULL == name || 0 == *name) { + size += SkWStream::SizeOfPackedUInt(0); + } else { + size_t len = strlen(name); + size += SkWStream::SizeOfPackedUInt(len); + size += len; + } + } + + return size; +} + +static void write_factories(SkWStream* stream, const SkFactorySet& rec) { + int count = rec.count(); + + SkAutoSTMalloc<16, SkFlattenable::Factory> storage(count); + SkFlattenable::Factory* array = (SkFlattenable::Factory*)storage.get(); + rec.copyToArray(array); + + size_t size = compute_chunk_size(array, count); + + // TODO: write_tag_size should really take a size_t + write_tag_size(stream, SK_PICT_FACTORY_TAG, (uint32_t) size); + SkDEBUGCODE(size_t start = stream->bytesWritten()); + stream->write32(count); + + for (int i = 0; i < count; i++) { + const char* name = SkFlattenable::FactoryToName(array[i]); +// SkDebugf("---- write factories [%d] %p <%s>\n", i, array[i], name); + if (NULL == name || 0 == *name) { + stream->writePackedUInt(0); + } else { + uint32_t len = strlen(name); + stream->writePackedUInt(len); + stream->write(name, len); + } + } + + SkASSERT(size == (stream->bytesWritten() - start)); +} + +static void write_typefaces(SkWStream* stream, const SkRefCntSet& rec) { + int count = rec.count(); + + write_tag_size(stream, SK_PICT_TYPEFACE_TAG, count); + + SkAutoSTMalloc<16, SkTypeface*> storage(count); + SkTypeface** array = (SkTypeface**)storage.get(); + rec.copyToArray((SkRefCnt**)array); + + for (int i = 0; i < count; i++) { + array[i]->serialize(stream); + } +} + +void SkPicturePlayback::flattenToBuffer(SkWriteBuffer& buffer) const { + int i, n; + + if ((n = SafeCount(fBitmaps)) > 0) { + write_tag_size(buffer, SK_PICT_BITMAP_BUFFER_TAG, n); + for (i = 0; i < n; i++) { + buffer.writeBitmap((*fBitmaps)[i]); + } + } + + if ((n = SafeCount(fPaints)) > 0) { + write_tag_size(buffer, SK_PICT_PAINT_BUFFER_TAG, n); + for (i = 0; i < n; i++) { + buffer.writePaint((*fPaints)[i]); + } + } + + if ((n = SafeCount(fPathHeap.get())) > 0) { + write_tag_size(buffer, SK_PICT_PATH_BUFFER_TAG, n); + fPathHeap->flatten(buffer); + } +} + +void SkPicturePlayback::serialize(SkWStream* stream, + SkPicture::EncodeBitmap encoder) const { + write_tag_size(stream, SK_PICT_READER_TAG, fOpData->size()); + stream->write(fOpData->bytes(), fOpData->size()); + + if (fPictureCount > 0) { + write_tag_size(stream, SK_PICT_PICTURE_TAG, fPictureCount); + for (int i = 0; i < fPictureCount; i++) { + fPictureRefs[i]->serialize(stream, encoder); + } + } + + // Write some of our data into a writebuffer, and then serialize that + // into our stream + { + SkRefCntSet typefaceSet; + SkFactorySet factSet; + + SkWriteBuffer buffer(SkWriteBuffer::kCrossProcess_Flag); + buffer.setTypefaceRecorder(&typefaceSet); + buffer.setFactoryRecorder(&factSet); + buffer.setBitmapEncoder(encoder); + + this->flattenToBuffer(buffer); + + // We have to write these two sets into the stream *before* we write + // the buffer, since parsing that buffer will require that we already + // have these sets available to use. + write_factories(stream, factSet); + write_typefaces(stream, typefaceSet); + + write_tag_size(stream, SK_PICT_BUFFER_SIZE_TAG, buffer.bytesWritten()); + buffer.writeToStream(stream); + } + + stream->write32(SK_PICT_EOF_TAG); +} + +void SkPicturePlayback::flatten(SkWriteBuffer& buffer) const { + write_tag_size(buffer, SK_PICT_READER_TAG, fOpData->size()); + buffer.writeByteArray(fOpData->bytes(), fOpData->size()); + + if (fPictureCount > 0) { + write_tag_size(buffer, SK_PICT_PICTURE_TAG, fPictureCount); + for (int i = 0; i < fPictureCount; i++) { + fPictureRefs[i]->flatten(buffer); + } + } + + // Write this picture playback's data into a writebuffer + this->flattenToBuffer(buffer); + buffer.write32(SK_PICT_EOF_TAG); +} + +/////////////////////////////////////////////////////////////////////////////// + +/** + * Return the corresponding SkReadBuffer flags, given a set of + * SkPictInfo flags. + */ +static uint32_t pictInfoFlagsToReadBufferFlags(uint32_t pictInfoFlags) { + static const struct { + uint32_t fSrc; + uint32_t fDst; + } gSD[] = { + { SkPictInfo::kCrossProcess_Flag, SkReadBuffer::kCrossProcess_Flag }, + { SkPictInfo::kScalarIsFloat_Flag, SkReadBuffer::kScalarIsFloat_Flag }, + { SkPictInfo::kPtrIs64Bit_Flag, SkReadBuffer::kPtrIs64Bit_Flag }, + }; + + uint32_t rbMask = 0; + for (size_t i = 0; i < SK_ARRAY_COUNT(gSD); ++i) { + if (pictInfoFlags & gSD[i].fSrc) { + rbMask |= gSD[i].fDst; + } + } + return rbMask; +} + +bool SkPicturePlayback::parseStreamTag(SkStream* stream, const SkPictInfo& info, uint32_t tag, + size_t size, SkPicture::InstallPixelRefProc proc) { + /* + * By the time we encounter BUFFER_SIZE_TAG, we need to have already seen + * its dependents: FACTORY_TAG and TYPEFACE_TAG. These two are not required + * but if they are present, they need to have been seen before the buffer. + * + * We assert that if/when we see either of these, that we have not yet seen + * the buffer tag, because if we have, then its too-late to deal with the + * factories or typefaces. + */ + SkDEBUGCODE(bool haveBuffer = false;) + + switch (tag) { + case SK_PICT_READER_TAG: { + SkAutoMalloc storage(size); + if (stream->read(storage.get(), size) != size) { + return false; + } + SkASSERT(NULL == fOpData); + fOpData = SkData::NewFromMalloc(storage.detach(), size); + } break; + case SK_PICT_FACTORY_TAG: { + SkASSERT(!haveBuffer); + // Remove this code when v21 and below are no longer supported. At the + // same time add a new 'count' variable and use it rather then reusing 'size'. +#ifndef DISABLE_V21_COMPATIBILITY_CODE + if (info.fVersion >= 22) { + // in v22 this tag's size represents the size of the chunk in bytes + // and the number of factory strings is written out separately +#endif + size = stream->readU32(); +#ifndef DISABLE_V21_COMPATIBILITY_CODE + } +#endif + fFactoryPlayback = SkNEW_ARGS(SkFactoryPlayback, (size)); + for (size_t i = 0; i < size; i++) { + SkString str; + const size_t len = stream->readPackedUInt(); + str.resize(len); + if (stream->read(str.writable_str(), len) != len) { + return false; + } + fFactoryPlayback->base()[i] = SkFlattenable::NameToFactory(str.c_str()); + } + } break; + case SK_PICT_TYPEFACE_TAG: { + SkASSERT(!haveBuffer); + fTFPlayback.setCount(size); + for (size_t i = 0; i < size; i++) { + SkAutoTUnref tf(SkTypeface::Deserialize(stream)); + if (!tf.get()) { // failed to deserialize + // fTFPlayback asserts it never has a null, so we plop in + // the default here. + tf.reset(SkTypeface::RefDefault()); + } + fTFPlayback.set(i, tf); + } + } break; + case SK_PICT_PICTURE_TAG: { + fPictureCount = size; + fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount); + bool success = true; + int i = 0; + for ( ; i < fPictureCount; i++) { + fPictureRefs[i] = SkPicture::CreateFromStream(stream, proc); + if (NULL == fPictureRefs[i]) { + success = false; + break; + } + } + if (!success) { + // Delete all of the pictures that were already created (up to but excluding i): + for (int j = 0; j < i; j++) { + fPictureRefs[j]->unref(); + } + // Delete the array + SkDELETE_ARRAY(fPictureRefs); + fPictureCount = 0; + return false; + } + } break; + case SK_PICT_BUFFER_SIZE_TAG: { + SkAutoMalloc storage(size); + if (stream->read(storage.get(), size) != size) { + return false; + } + + SkReadBuffer buffer(storage.get(), size); + buffer.setFlags(pictInfoFlagsToReadBufferFlags(info.fFlags)); + + fFactoryPlayback->setupBuffer(buffer); + fTFPlayback.setupBuffer(buffer); + buffer.setBitmapDecoder(proc); + + while (!buffer.eof()) { + tag = buffer.readUInt(); + size = buffer.readUInt(); + if (!this->parseBufferTag(buffer, tag, size)) { + return false; + } + } + SkDEBUGCODE(haveBuffer = true;) + } break; + } + return true; // success +} + +bool SkPicturePlayback::parseBufferTag(SkReadBuffer& buffer, + uint32_t tag, size_t size) { + switch (tag) { + case SK_PICT_BITMAP_BUFFER_TAG: { + fBitmaps = SkTRefArray::Create(size); + for (size_t i = 0; i < size; ++i) { + SkBitmap* bm = &fBitmaps->writableAt(i); + buffer.readBitmap(bm); + bm->setImmutable(); + } + } break; + case SK_PICT_PAINT_BUFFER_TAG: { + fPaints = SkTRefArray::Create(size); + for (size_t i = 0; i < size; ++i) { + buffer.readPaint(&fPaints->writableAt(i)); + } + } break; + case SK_PICT_PATH_BUFFER_TAG: + if (size > 0) { + fPathHeap.reset(SkNEW_ARGS(SkPathHeap, (buffer))); + } + break; + case SK_PICT_READER_TAG: { + SkAutoMalloc storage(size); + if (!buffer.readByteArray(storage.get(), size) || + !buffer.validate(NULL == fOpData)) { + return false; + } + SkASSERT(NULL == fOpData); + fOpData = SkData::NewFromMalloc(storage.detach(), size); + } break; + case SK_PICT_PICTURE_TAG: { + if (!buffer.validate((0 == fPictureCount) && (NULL == fPictureRefs))) { + return false; + } + fPictureCount = size; + fPictureRefs = SkNEW_ARRAY(SkPicture*, fPictureCount); + bool success = true; + int i = 0; + for ( ; i < fPictureCount; i++) { + fPictureRefs[i] = SkPicture::CreateFromBuffer(buffer); + if (NULL == fPictureRefs[i]) { + success = false; + break; + } + } + if (!success) { + // Delete all of the pictures that were already created (up to but excluding i): + for (int j = 0; j < i; j++) { + fPictureRefs[j]->unref(); + } + // Delete the array + SkDELETE_ARRAY(fPictureRefs); + fPictureCount = 0; + return false; + } + } break; + default: + // The tag was invalid. + return false; + } + return true; // success +} + +SkPicturePlayback* SkPicturePlayback::CreateFromStream(SkStream* stream, + const SkPictInfo& info, + SkPicture::InstallPixelRefProc proc) { + SkAutoTDelete playback(SkNEW(SkPicturePlayback)); + + if (!playback->parseStream(stream, info, proc)) { + return NULL; + } + return playback.detach(); +} + +SkPicturePlayback* SkPicturePlayback::CreateFromBuffer(SkReadBuffer& buffer) { + SkAutoTDelete playback(SkNEW(SkPicturePlayback)); + + if (!playback->parseBuffer(buffer)) { + return NULL; + } + return playback.detach(); +} + +bool SkPicturePlayback::parseStream(SkStream* stream, const SkPictInfo& info, + SkPicture::InstallPixelRefProc proc) { + for (;;) { + uint32_t tag = stream->readU32(); + if (SK_PICT_EOF_TAG == tag) { + break; + } + + uint32_t size = stream->readU32(); + if (!this->parseStreamTag(stream, info, tag, size, proc)) { + return false; // we're invalid + } + } + return true; +} + +bool SkPicturePlayback::parseBuffer(SkReadBuffer& buffer) { + for (;;) { + uint32_t tag = buffer.readUInt(); + if (SK_PICT_EOF_TAG == tag) { + break; + } + + uint32_t size = buffer.readUInt(); + if (!this->parseBufferTag(buffer, tag, size)) { + return false; // we're invalid + } + } + return true; +} + +/////////////////////////////////////////////////////////////////////////////// +/////////////////////////////////////////////////////////////////////////////// + +#ifdef SPEW_CLIP_SKIPPING +struct SkipClipRec { + int fCount; + size_t fSize; + + SkipClipRec() { + fCount = 0; + fSize = 0; + } + + void recordSkip(size_t bytes) { + fCount += 1; + fSize += bytes; + } +}; +#endif + +#ifdef SK_DEVELOPER +bool SkPicturePlayback::preDraw(int opIndex, int type) { + return false; +} + +void SkPicturePlayback::postDraw(int opIndex) { +} +#endif + +/* + * Read the next op code and chunk size from 'reader'. The returned size + * is the entire size of the chunk (including the opcode). Thus, the + * offset just prior to calling read_op_and_size + 'size' is the offset + * to the next chunk's op code. This also means that the size of a chunk + * with no arguments (just an opcode) will be 4. + */ +static DrawType read_op_and_size(SkReader32* reader, uint32_t* size) { + uint32_t temp = reader->readInt(); + uint32_t op; + if (((uint8_t) temp) == temp) { + // old skp file - no size information + op = temp; + *size = 0; + } else { + UNPACK_8_24(temp, op, *size); + if (MASK_24 == *size) { + *size = reader->readInt(); + } + } + return (DrawType) op; +} + +// The activeOps parameter is actually "const SkTDArray&". +// It represents the operations about to be drawn, as generated by some spatial +// subdivision helper class. It should already be in 'fOffset' sorted order. +void SkPicturePlayback::preLoadBitmaps(const SkTDArray& activeOps) { + if (0 == activeOps.count() || NULL == fBitmapUseOffsets) { + return; + } + + SkTDArray active; + + SkAutoTDeleteArray needToCheck(new bool[fBitmapUseOffsets->numIDs()]); + for (int i = 0; i < fBitmapUseOffsets->numIDs(); ++i) { + needToCheck.get()[i] = true; + } + + uint32_t max = ((SkPictureStateTree::Draw*)activeOps[activeOps.count()-1])->fOffset; + + for (int i = 0; i < activeOps.count(); ++i) { + SkPictureStateTree::Draw* draw = (SkPictureStateTree::Draw*) activeOps[i]; + + for (int j = 0; j < fBitmapUseOffsets->numIDs(); ++j) { + if (!needToCheck.get()[j]) { + continue; + } + + if (!fBitmapUseOffsets->overlap(j, draw->fOffset, max)) { + needToCheck.get()[j] = false; + continue; + } + + if (!fBitmapUseOffsets->includes(j, draw->fOffset)) { + continue; + } + + *active.append() = j; + needToCheck.get()[j] = false; + } + } + + for (int i = 0; i < active.count(); ++i) { + SkDebugf("preload texture %d\n", active[i]); + } +} + +void SkPicturePlayback::draw(SkCanvas& canvas, SkDrawPictureCallback* callback) { +#ifdef ENABLE_TIME_DRAW + SkAutoTime at("SkPicture::draw", 50); +#endif + +#ifdef SPEW_CLIP_SKIPPING + SkipClipRec skipRect, skipRRect, skipRegion, skipPath, skipCull; + int opCount = 0; +#endif + +#ifdef SK_BUILD_FOR_ANDROID + SkAutoMutexAcquire autoMutex(fDrawMutex); +#endif + + // kDrawComplete will be the signal that we have reached the end of + // the command stream + static const uint32_t kDrawComplete = SK_MaxU32; + + SkReader32 reader(fOpData->bytes(), fOpData->size()); + TextContainer text; + SkTDArray activeOps; + + if (NULL != fStateTree && NULL != fBoundingHierarchy) { + SkRect clipBounds; + if (canvas.getClipBounds(&clipBounds)) { + SkIRect query; + clipBounds.roundOut(&query); + fBoundingHierarchy->search(query, &activeOps); + if (activeOps.count() == 0) { + return; + } + SkTQSort( + reinterpret_cast(activeOps.begin()), + reinterpret_cast(activeOps.end()-1)); + } + } + + SkPictureStateTree::Iterator it = (NULL == fStateTree) ? + SkPictureStateTree::Iterator() : + fStateTree->getIterator(activeOps, &canvas); + + if (it.isValid()) { + uint32_t skipTo = it.draw(); + if (kDrawComplete == skipTo) { + return; + } + reader.setOffset(skipTo); + } + + this->preLoadBitmaps(activeOps); + + // Record this, so we can concat w/ it if we encounter a setMatrix() + SkMatrix initialMatrix = canvas.getTotalMatrix(); + int originalSaveCount = canvas.getSaveCount(); + +#ifdef SK_BUILD_FOR_ANDROID + fAbortCurrentPlayback = false; +#endif + +#ifdef SK_DEVELOPER + int opIndex = -1; +#endif + + while (!reader.eof()) { + if (callback && callback->abortDrawing()) { + canvas.restoreToCount(originalSaveCount); + return; + } +#ifdef SK_BUILD_FOR_ANDROID + if (fAbortCurrentPlayback) { + return; + } +#endif + +#ifdef SPEW_CLIP_SKIPPING + opCount++; +#endif + + size_t curOffset = reader.offset(); + uint32_t size; + DrawType op = read_op_and_size(&reader, &size); + size_t skipTo = 0; + if (NOOP == op) { + // NOOPs are to be ignored - do not propagate them any further + skipTo = curOffset + size; +#ifdef SK_DEVELOPER + } else { + opIndex++; + if (this->preDraw(opIndex, op)) { + skipTo = curOffset + size; + } +#endif + } + + if (0 != skipTo) { + if (it.isValid()) { + // If using a bounding box hierarchy, advance the state tree + // iterator until at or after skipTo + uint32_t adjustedSkipTo; + do { + adjustedSkipTo = it.draw(); + } while (adjustedSkipTo < skipTo); + skipTo = adjustedSkipTo; + } + if (kDrawComplete == skipTo) { + break; + } + reader.setOffset(skipTo); + continue; + } + + switch (op) { + case CLIP_PATH: { + const SkPath& path = getPath(reader); + uint32_t packed = reader.readInt(); + SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); + bool doAA = ClipParams_unpackDoAA(packed); + size_t offsetToRestore = reader.readInt(); + SkASSERT(!offsetToRestore || \ + offsetToRestore >= reader.offset()); + canvas.clipPath(path, regionOp, doAA); + if (canvas.isClipEmpty() && offsetToRestore) { +#ifdef SPEW_CLIP_SKIPPING + skipPath.recordSkip(offsetToRestore - reader.offset()); +#endif + reader.setOffset(offsetToRestore); + } + } break; + case CLIP_REGION: { + SkRegion region; + this->getRegion(reader, ®ion); + uint32_t packed = reader.readInt(); + SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); + size_t offsetToRestore = reader.readInt(); + SkASSERT(!offsetToRestore || \ + offsetToRestore >= reader.offset()); + canvas.clipRegion(region, regionOp); + if (canvas.isClipEmpty() && offsetToRestore) { +#ifdef SPEW_CLIP_SKIPPING + skipRegion.recordSkip(offsetToRestore - reader.offset()); +#endif + reader.setOffset(offsetToRestore); + } + } break; + case CLIP_RECT: { + const SkRect& rect = reader.skipT(); + uint32_t packed = reader.readInt(); + SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); + bool doAA = ClipParams_unpackDoAA(packed); + size_t offsetToRestore = reader.readInt(); + SkASSERT(!offsetToRestore || \ + offsetToRestore >= reader.offset()); + canvas.clipRect(rect, regionOp, doAA); + if (canvas.isClipEmpty() && offsetToRestore) { +#ifdef SPEW_CLIP_SKIPPING + skipRect.recordSkip(offsetToRestore - reader.offset()); +#endif + reader.setOffset(offsetToRestore); + } + } break; + case CLIP_RRECT: { + SkRRect rrect; + reader.readRRect(&rrect); + uint32_t packed = reader.readInt(); + SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed); + bool doAA = ClipParams_unpackDoAA(packed); + size_t offsetToRestore = reader.readInt(); + SkASSERT(!offsetToRestore || \ + offsetToRestore >= reader.offset()); + canvas.clipRRect(rrect, regionOp, doAA); + if (canvas.isClipEmpty() && offsetToRestore) { +#ifdef SPEW_CLIP_SKIPPING + skipRRect.recordSkip(offsetToRestore - reader.offset()); +#endif + reader.setOffset(offsetToRestore); + } + } break; + case PUSH_CULL: { + const SkRect& cullRect = reader.skipT(); + size_t offsetToRestore = reader.readInt(); + if (offsetToRestore && canvas.quickReject(cullRect)) { +#ifdef SPEW_CLIP_SKIPPING + skipCull.recordSkip(offsetToRestore - reader.offset()); +#endif + reader.setOffset(offsetToRestore); + } else { + canvas.pushCull(cullRect); + } + } break; + case POP_CULL: + canvas.popCull(); + break; + case CONCAT: { + SkMatrix matrix; + this->getMatrix(reader, &matrix); + canvas.concat(matrix); + break; + } + case DRAW_BITMAP: { + const SkPaint* paint = this->getPaint(reader); + const SkBitmap& bitmap = this->getBitmap(reader); + const SkPoint& loc = reader.skipT(); + canvas.drawBitmap(bitmap, loc.fX, loc.fY, paint); + } break; + case DRAW_BITMAP_RECT_TO_RECT: { + const SkPaint* paint = this->getPaint(reader); + const SkBitmap& bitmap = this->getBitmap(reader); + const SkRect* src = this->getRectPtr(reader); // may be null + const SkRect& dst = reader.skipT(); // required + SkCanvas::DrawBitmapRectFlags flags; + flags = (SkCanvas::DrawBitmapRectFlags) reader.readInt(); + canvas.drawBitmapRectToRect(bitmap, src, dst, paint, flags); + } break; + case DRAW_BITMAP_MATRIX: { + const SkPaint* paint = this->getPaint(reader); + const SkBitmap& bitmap = this->getBitmap(reader); + SkMatrix matrix; + this->getMatrix(reader, &matrix); + canvas.drawBitmapMatrix(bitmap, matrix, paint); + } break; + case DRAW_BITMAP_NINE: { + const SkPaint* paint = this->getPaint(reader); + const SkBitmap& bitmap = this->getBitmap(reader); + const SkIRect& src = reader.skipT(); + const SkRect& dst = reader.skipT(); + canvas.drawBitmapNine(bitmap, src, dst, paint); + } break; + case DRAW_CLEAR: + canvas.clear(reader.readInt()); + break; + case DRAW_DATA: { + size_t length = reader.readInt(); + canvas.drawData(reader.skip(length), length); + // skip handles padding the read out to a multiple of 4 + } break; + case DRAW_DRRECT: { + const SkPaint& paint = *this->getPaint(reader); + SkRRect outer, inner; + reader.readRRect(&outer); + reader.readRRect(&inner); + canvas.drawDRRect(outer, inner, paint); + } break; + case BEGIN_COMMENT_GROUP: { + const char* desc = reader.readString(); + canvas.beginCommentGroup(desc); + } break; + case COMMENT: { + const char* kywd = reader.readString(); + const char* value = reader.readString(); + canvas.addComment(kywd, value); + } break; + case END_COMMENT_GROUP: { + canvas.endCommentGroup(); + } break; + case DRAW_OVAL: { + const SkPaint& paint = *this->getPaint(reader); + canvas.drawOval(reader.skipT(), paint); + } break; + case DRAW_PAINT: + canvas.drawPaint(*this->getPaint(reader)); + break; + case DRAW_PATH: { + const SkPaint& paint = *this->getPaint(reader); + canvas.drawPath(getPath(reader), paint); + } break; + case DRAW_PICTURE: + canvas.drawPicture(this->getPicture(reader)); + break; + case DRAW_POINTS: { + const SkPaint& paint = *this->getPaint(reader); + SkCanvas::PointMode mode = (SkCanvas::PointMode)reader.readInt(); + size_t count = reader.readInt(); + const SkPoint* pts = (const SkPoint*)reader.skip(sizeof(SkPoint) * count); + canvas.drawPoints(mode, count, pts, paint); + } break; + case DRAW_POS_TEXT: { + const SkPaint& paint = *this->getPaint(reader); + getText(reader, &text); + size_t points = reader.readInt(); + const SkPoint* pos = (const SkPoint*)reader.skip(points * sizeof(SkPoint)); + canvas.drawPosText(text.text(), text.length(), pos, paint); + } break; + case DRAW_POS_TEXT_TOP_BOTTOM: { + const SkPaint& paint = *this->getPaint(reader); + getText(reader, &text); + size_t points = reader.readInt(); + const SkPoint* pos = (const SkPoint*)reader.skip(points * sizeof(SkPoint)); + const SkScalar top = reader.readScalar(); + const SkScalar bottom = reader.readScalar(); + if (!canvas.quickRejectY(top, bottom)) { + canvas.drawPosText(text.text(), text.length(), pos, paint); + } + } break; + case DRAW_POS_TEXT_H: { + const SkPaint& paint = *this->getPaint(reader); + getText(reader, &text); + size_t xCount = reader.readInt(); + const SkScalar constY = reader.readScalar(); + const SkScalar* xpos = (const SkScalar*)reader.skip(xCount * sizeof(SkScalar)); + canvas.drawPosTextH(text.text(), text.length(), xpos, constY, + paint); + } break; + case DRAW_POS_TEXT_H_TOP_BOTTOM: { + const SkPaint& paint = *this->getPaint(reader); + getText(reader, &text); + size_t xCount = reader.readInt(); + const SkScalar* xpos = (const SkScalar*)reader.skip((3 + xCount) * sizeof(SkScalar)); + const SkScalar top = *xpos++; + const SkScalar bottom = *xpos++; + const SkScalar constY = *xpos++; + if (!canvas.quickRejectY(top, bottom)) { + canvas.drawPosTextH(text.text(), text.length(), xpos, + constY, paint); + } + } break; + case DRAW_RECT: { + const SkPaint& paint = *this->getPaint(reader); + canvas.drawRect(reader.skipT(), paint); + } break; + case DRAW_RRECT: { + const SkPaint& paint = *this->getPaint(reader); + SkRRect rrect; + reader.readRRect(&rrect); + canvas.drawRRect(rrect, paint); + } break; + case DRAW_SPRITE: { + const SkPaint* paint = this->getPaint(reader); + const SkBitmap& bitmap = this->getBitmap(reader); + int left = reader.readInt(); + int top = reader.readInt(); + canvas.drawSprite(bitmap, left, top, paint); + } break; + case DRAW_TEXT: { + const SkPaint& paint = *this->getPaint(reader); + this->getText(reader, &text); + SkScalar x = reader.readScalar(); + SkScalar y = reader.readScalar(); + canvas.drawText(text.text(), text.length(), x, y, paint); + } break; + case DRAW_TEXT_TOP_BOTTOM: { + const SkPaint& paint = *this->getPaint(reader); + this->getText(reader, &text); + const SkScalar* ptr = (const SkScalar*)reader.skip(4 * sizeof(SkScalar)); + // ptr[0] == x + // ptr[1] == y + // ptr[2] == top + // ptr[3] == bottom + if (!canvas.quickRejectY(ptr[2], ptr[3])) { + canvas.drawText(text.text(), text.length(), ptr[0], ptr[1], + paint); + } + } break; + case DRAW_TEXT_ON_PATH: { + const SkPaint& paint = *this->getPaint(reader); + getText(reader, &text); + const SkPath& path = this->getPath(reader); + SkMatrix matrix; + this->getMatrix(reader, &matrix); + canvas.drawTextOnPath(text.text(), text.length(), path, &matrix, paint); + } break; + case DRAW_VERTICES: { + SkAutoTUnref xfer; + const SkPaint& paint = *this->getPaint(reader); + DrawVertexFlags flags = (DrawVertexFlags)reader.readInt(); + SkCanvas::VertexMode vmode = (SkCanvas::VertexMode)reader.readInt(); + int vCount = reader.readInt(); + const SkPoint* verts = (const SkPoint*)reader.skip( + vCount * sizeof(SkPoint)); + const SkPoint* texs = NULL; + const SkColor* colors = NULL; + const uint16_t* indices = NULL; + int iCount = 0; + if (flags & DRAW_VERTICES_HAS_TEXS) { + texs = (const SkPoint*)reader.skip( + vCount * sizeof(SkPoint)); + } + if (flags & DRAW_VERTICES_HAS_COLORS) { + colors = (const SkColor*)reader.skip( + vCount * sizeof(SkColor)); + } + if (flags & DRAW_VERTICES_HAS_INDICES) { + iCount = reader.readInt(); + indices = (const uint16_t*)reader.skip( + iCount * sizeof(uint16_t)); + } + if (flags & DRAW_VERTICES_HAS_XFER) { + int mode = reader.readInt(); + if (mode < 0 || mode > SkXfermode::kLastMode) { + mode = SkXfermode::kModulate_Mode; + } + xfer.reset(SkXfermode::Create((SkXfermode::Mode)mode)); + } + canvas.drawVertices(vmode, vCount, verts, texs, colors, xfer, + indices, iCount, paint); + } break; + case RESTORE: + canvas.restore(); + break; + case ROTATE: + canvas.rotate(reader.readScalar()); + break; + case SAVE: + canvas.save((SkCanvas::SaveFlags) reader.readInt()); + break; + case SAVE_LAYER: { + const SkRect* boundsPtr = this->getRectPtr(reader); + const SkPaint* paint = this->getPaint(reader); + canvas.saveLayer(boundsPtr, paint, (SkCanvas::SaveFlags) reader.readInt()); + } break; + case SCALE: { + SkScalar sx = reader.readScalar(); + SkScalar sy = reader.readScalar(); + canvas.scale(sx, sy); + } break; + case SET_MATRIX: { + SkMatrix matrix; + this->getMatrix(reader, &matrix); + matrix.postConcat(initialMatrix); + canvas.setMatrix(matrix); + } break; + case SKEW: { + SkScalar sx = reader.readScalar(); + SkScalar sy = reader.readScalar(); + canvas.skew(sx, sy); + } break; + case TRANSLATE: { + SkScalar dx = reader.readScalar(); + SkScalar dy = reader.readScalar(); + canvas.translate(dx, dy); + } break; + default: + SkASSERT(0); + } + +#ifdef SK_DEVELOPER + this->postDraw(opIndex); +#endif + + if (it.isValid()) { + uint32_t skipTo = it.draw(); + if (kDrawComplete == skipTo) { + break; + } + reader.setOffset(skipTo); + } + } + +#ifdef SPEW_CLIP_SKIPPING + { + size_t size = skipRect.fSize + skipRRect.fSize + skipPath.fSize + skipRegion.fSize + + skipCull.fSize; + SkDebugf("--- Clip skips %d%% rect:%d rrect:%d path:%d rgn:%d cull:%d\n", + size * 100 / reader.offset(), skipRect.fCount, skipRRect.fCount, + skipPath.fCount, skipRegion.fCount, skipCull.fCount); + SkDebugf("--- Total ops: %d\n", opCount); + } +#endif +// this->dumpSize(); +} + +/////////////////////////////////////////////////////////////////////////////// + +#ifdef SK_DEBUG_SIZE +int SkPicturePlayback::size(size_t* sizePtr) { + int objects = bitmaps(sizePtr); + objects += paints(sizePtr); + objects += paths(sizePtr); + objects += pictures(sizePtr); + objects += regions(sizePtr); + *sizePtr = fOpData.size(); + return objects; +} + +int SkPicturePlayback::bitmaps(size_t* size) { + size_t result = 0; + for (int index = 0; index < fBitmapCount; index++) { + // const SkBitmap& bitmap = fBitmaps[index]; + result += sizeof(SkBitmap); // bitmap->size(); + } + *size = result; + return fBitmapCount; +} + +int SkPicturePlayback::paints(size_t* size) { + size_t result = 0; + for (int index = 0; index < fPaintCount; index++) { + // const SkPaint& paint = fPaints[index]; + result += sizeof(SkPaint); // paint->size(); + } + *size = result; + return fPaintCount; +} + +int SkPicturePlayback::paths(size_t* size) { + size_t result = 0; + for (int index = 0; index < fPathCount; index++) { + const SkPath& path = fPaths[index]; + result += path.flatten(NULL); + } + *size = result; + return fPathCount; +} +#endif + +#ifdef SK_DEBUG_DUMP +void SkPicturePlayback::dumpBitmap(const SkBitmap& bitmap) const { + char pBuffer[DUMP_BUFFER_SIZE]; + char* bufferPtr = pBuffer; + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "BitmapData bitmap%p = {", &bitmap); + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kWidth, %d}, ", bitmap.width()); + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kHeight, %d}, ", bitmap.height()); + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kRowBytes, %d}, ", bitmap.rowBytes()); +// start here; + SkDebugf("%s{0}};\n", pBuffer); +} + +void dumpMatrix(const SkMatrix& matrix) const { + SkMatrix defaultMatrix; + defaultMatrix.reset(); + char pBuffer[DUMP_BUFFER_SIZE]; + char* bufferPtr = pBuffer; + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "MatrixData matrix%p = {", &matrix); + SkScalar scaleX = matrix.getScaleX(); + if (scaleX != defaultMatrix.getScaleX()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kScaleX, %g}, ", SkScalarToFloat(scaleX)); + SkScalar scaleY = matrix.getScaleY(); + if (scaleY != defaultMatrix.getScaleY()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kScaleY, %g}, ", SkScalarToFloat(scaleY)); + SkScalar skewX = matrix.getSkewX(); + if (skewX != defaultMatrix.getSkewX()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kSkewX, %g}, ", SkScalarToFloat(skewX)); + SkScalar skewY = matrix.getSkewY(); + if (skewY != defaultMatrix.getSkewY()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kSkewY, %g}, ", SkScalarToFloat(skewY)); + SkScalar translateX = matrix.getTranslateX(); + if (translateX != defaultMatrix.getTranslateX()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kTranslateX, %g}, ", SkScalarToFloat(translateX)); + SkScalar translateY = matrix.getTranslateY(); + if (translateY != defaultMatrix.getTranslateY()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kTranslateY, %g}, ", SkScalarToFloat(translateY)); + SkScalar perspX = matrix.getPerspX(); + if (perspX != defaultMatrix.getPerspX()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kPerspX, %g}, ", perspX); + SkScalar perspY = matrix.getPerspY(); + if (perspY != defaultMatrix.getPerspY()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kPerspY, %g}, ", perspY); + SkDebugf("%s{0}};\n", pBuffer); +} + +void dumpPaint(const SkPaint& paint) const { + SkPaint defaultPaint; + char pBuffer[DUMP_BUFFER_SIZE]; + char* bufferPtr = pBuffer; + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "PaintPointers paintPtrs%p = {", &paint); + const SkTypeface* typeface = paint.getTypeface(); + if (typeface != defaultPaint.getTypeface()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kTypeface, %p}, ", typeface); + const SkPathEffect* pathEffect = paint.getPathEffect(); + if (pathEffect != defaultPaint.getPathEffect()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kPathEffect, %p}, ", pathEffect); + const SkShader* shader = paint.getShader(); + if (shader != defaultPaint.getShader()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kShader, %p}, ", shader); + const SkXfermode* xfermode = paint.getXfermode(); + if (xfermode != defaultPaint.getXfermode()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kXfermode, %p}, ", xfermode); + const SkMaskFilter* maskFilter = paint.getMaskFilter(); + if (maskFilter != defaultPaint.getMaskFilter()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kMaskFilter, %p}, ", maskFilter); + const SkColorFilter* colorFilter = paint.getColorFilter(); + if (colorFilter != defaultPaint.getColorFilter()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kColorFilter, %p}, ", colorFilter); + const SkRasterizer* rasterizer = paint.getRasterizer(); + if (rasterizer != defaultPaint.getRasterizer()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kRasterizer, %p}, ", rasterizer); + const SkDrawLooper* drawLooper = paint.getLooper(); + if (drawLooper != defaultPaint.getLooper()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kDrawLooper, %p}, ", drawLooper); + SkDebugf("%s{0}};\n", pBuffer); + bufferPtr = pBuffer; + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "PaintScalars paintScalars%p = {", &paint); + SkScalar textSize = paint.getTextSize(); + if (textSize != defaultPaint.getTextSize()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kTextSize, %g}, ", SkScalarToFloat(textSize)); + SkScalar textScaleX = paint.getTextScaleX(); + if (textScaleX != defaultPaint.getTextScaleX()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kTextScaleX, %g}, ", SkScalarToFloat(textScaleX)); + SkScalar textSkewX = paint.getTextSkewX(); + if (textSkewX != defaultPaint.getTextSkewX()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kTextSkewX, %g}, ", SkScalarToFloat(textSkewX)); + SkScalar strokeWidth = paint.getStrokeWidth(); + if (strokeWidth != defaultPaint.getStrokeWidth()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kStrokeWidth, %g}, ", SkScalarToFloat(strokeWidth)); + SkScalar strokeMiter = paint.getStrokeMiter(); + if (strokeMiter != defaultPaint.getStrokeMiter()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kStrokeMiter, %g}, ", SkScalarToFloat(strokeMiter)); + SkDebugf("%s{0}};\n", pBuffer); + bufferPtr = pBuffer; + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "PaintInts = paintInts%p = {", &paint); + unsigned color = paint.getColor(); + if (color != defaultPaint.getColor()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kColor, 0x%x}, ", color); + unsigned flags = paint.getFlags(); + if (flags != defaultPaint.getFlags()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kFlags, 0x%x}, ", flags); + int align = paint.getTextAlign(); + if (align != defaultPaint.getTextAlign()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kAlign, 0x%x}, ", align); + int strokeCap = paint.getStrokeCap(); + if (strokeCap != defaultPaint.getStrokeCap()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kStrokeCap, 0x%x}, ", strokeCap); + int strokeJoin = paint.getStrokeJoin(); + if (strokeJoin != defaultPaint.getStrokeJoin()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kAlign, 0x%x}, ", strokeJoin); + int style = paint.getStyle(); + if (style != defaultPaint.getStyle()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kStyle, 0x%x}, ", style); + int textEncoding = paint.getTextEncoding(); + if (textEncoding != defaultPaint.getTextEncoding()) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "{kTextEncoding, 0x%x}, ", textEncoding); + SkDebugf("%s{0}};\n", pBuffer); + + SkDebugf("PaintData paint%p = {paintPtrs%p, paintScalars%p, paintInts%p};\n", + &paint, &paint, &paint, &paint); +} + +void SkPicturePlayback::dumpPath(const SkPath& path) const { + SkDebugf("path dump unimplemented\n"); +} + +void SkPicturePlayback::dumpPicture(const SkPicture& picture) const { + SkDebugf("picture dump unimplemented\n"); +} + +void SkPicturePlayback::dumpRegion(const SkRegion& region) const { + SkDebugf("region dump unimplemented\n"); +} + +int SkPicturePlayback::dumpDrawType(char* bufferPtr, char* buffer, DrawType drawType) { + return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), + "k%s, ", DrawTypeToString(drawType)); +} + +int SkPicturePlayback::dumpInt(char* bufferPtr, char* buffer, char* name) { + return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), + "%s:%d, ", name, getInt()); +} + +int SkPicturePlayback::dumpRect(char* bufferPtr, char* buffer, char* name) { + const SkRect* rect = fReader.skipRect(); + return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), + "%s:{l:%g t:%g r:%g b:%g}, ", name, SkScalarToFloat(rect.fLeft), + SkScalarToFloat(rect.fTop), + SkScalarToFloat(rect.fRight), SkScalarToFloat(rect.fBottom)); +} + +int SkPicturePlayback::dumpPoint(char* bufferPtr, char* buffer, char* name) { + SkPoint pt; + getPoint(&pt); + return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), + "%s:{x:%g y:%g}, ", name, SkScalarToFloat(pt.fX), + SkScalarToFloat(pt.fY)); +} + +void SkPicturePlayback::dumpPointArray(char** bufferPtrPtr, char* buffer, int count) { + char* bufferPtr = *bufferPtrPtr; + const SkPoint* pts = (const SkPoint*)fReadStream.getAtPos(); + fReadStream.skip(sizeof(SkPoint) * count); + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), + "count:%d {", count); + for (int index = 0; index < count; index++) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), + "{x:%g y:%g}, ", SkScalarToFloat(pts[index].fX), + SkScalarToFloat(pts[index].fY)); + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), + "} "); + *bufferPtrPtr = bufferPtr; +} + +int SkPicturePlayback::dumpPtr(char* bufferPtr, char* buffer, char* name, void* ptr) { + return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), + "%s:%p, ", name, ptr); +} + +int SkPicturePlayback::dumpRectPtr(char* bufferPtr, char* buffer, char* name) { + char result; + fReadStream.read(&result, sizeof(result)); + if (result) + return dumpRect(bufferPtr, buffer, name); + else + return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), + "%s:NULL, ", name); +} + +int SkPicturePlayback::dumpScalar(char* bufferPtr, char* buffer, char* name) { + return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer), + "%s:%d, ", name, getScalar()); +} + +void SkPicturePlayback::dumpText(char** bufferPtrPtr, char* buffer) { + char* bufferPtr = *bufferPtrPtr; + int length = getInt(); + bufferPtr += dumpDrawType(bufferPtr, buffer); + fReadStream.skipToAlign4(); + char* text = (char*) fReadStream.getAtPos(); + fReadStream.skip(length); + bufferPtr += dumpInt(bufferPtr, buffer, "length"); + int limit = DUMP_BUFFER_SIZE - (bufferPtr - buffer) - 2; + length >>= 1; + if (limit > length) + limit = length; + if (limit > 0) { + *bufferPtr++ = '"'; + for (int index = 0; index < limit; index++) { + *bufferPtr++ = *(unsigned short*) text; + text += sizeof(unsigned short); + } + *bufferPtr++ = '"'; + } + *bufferPtrPtr = bufferPtr; +} + +#define DUMP_DRAWTYPE(drawType) \ + bufferPtr += dumpDrawType(bufferPtr, buffer, drawType) + +#define DUMP_INT(name) \ + bufferPtr += dumpInt(bufferPtr, buffer, #name) + +#define DUMP_RECT_PTR(name) \ + bufferPtr += dumpRectPtr(bufferPtr, buffer, #name) + +#define DUMP_POINT(name) \ + bufferPtr += dumpRect(bufferPtr, buffer, #name) + +#define DUMP_RECT(name) \ + bufferPtr += dumpRect(bufferPtr, buffer, #name) + +#define DUMP_POINT_ARRAY(count) \ + dumpPointArray(&bufferPtr, buffer, count) + +#define DUMP_PTR(name, ptr) \ + bufferPtr += dumpPtr(bufferPtr, buffer, #name, (void*) ptr) + +#define DUMP_SCALAR(name) \ + bufferPtr += dumpScalar(bufferPtr, buffer, #name) + +#define DUMP_TEXT() \ + dumpText(&bufferPtr, buffer) + +void SkPicturePlayback::dumpStream() { + SkDebugf("RecordStream stream = {\n"); + DrawType drawType; + TextContainer text; + fReadStream.rewind(); + char buffer[DUMP_BUFFER_SIZE], * bufferPtr; + while (fReadStream.read(&drawType, sizeof(drawType))) { + bufferPtr = buffer; + DUMP_DRAWTYPE(drawType); + switch (drawType) { + case CLIP_PATH: { + DUMP_PTR(SkPath, &getPath()); + DUMP_INT(SkRegion::Op); + DUMP_INT(offsetToRestore); + } break; + case CLIP_REGION: { + DUMP_INT(SkRegion::Op); + DUMP_INT(offsetToRestore); + } break; + case CLIP_RECT: { + DUMP_RECT(rect); + DUMP_INT(SkRegion::Op); + DUMP_INT(offsetToRestore); + } break; + case CONCAT: + break; + case DRAW_BITMAP: { + DUMP_PTR(SkPaint, getPaint()); + DUMP_PTR(SkBitmap, &getBitmap()); + DUMP_SCALAR(left); + DUMP_SCALAR(top); + } break; + case DRAW_PAINT: + DUMP_PTR(SkPaint, getPaint()); + break; + case DRAW_PATH: { + DUMP_PTR(SkPaint, getPaint()); + DUMP_PTR(SkPath, &getPath()); + } break; + case DRAW_PICTURE: { + DUMP_PTR(SkPicture, &getPicture()); + } break; + case DRAW_POINTS: { + DUMP_PTR(SkPaint, getPaint()); + (void)getInt(); // PointMode + size_t count = getInt(); + fReadStream.skipToAlign4(); + DUMP_POINT_ARRAY(count); + } break; + case DRAW_POS_TEXT: { + DUMP_PTR(SkPaint, getPaint()); + DUMP_TEXT(); + size_t points = getInt(); + fReadStream.skipToAlign4(); + DUMP_POINT_ARRAY(points); + } break; + case DRAW_POS_TEXT_H: { + DUMP_PTR(SkPaint, getPaint()); + DUMP_TEXT(); + size_t points = getInt(); + fReadStream.skipToAlign4(); + DUMP_SCALAR(top); + DUMP_SCALAR(bottom); + DUMP_SCALAR(constY); + DUMP_POINT_ARRAY(points); + } break; + case DRAW_RECT: { + DUMP_PTR(SkPaint, getPaint()); + DUMP_RECT(rect); + } break; + case DRAW_SPRITE: { + DUMP_PTR(SkPaint, getPaint()); + DUMP_PTR(SkBitmap, &getBitmap()); + DUMP_SCALAR(left); + DUMP_SCALAR(top); + } break; + case DRAW_TEXT: { + DUMP_PTR(SkPaint, getPaint()); + DUMP_TEXT(); + DUMP_SCALAR(x); + DUMP_SCALAR(y); + } break; + case DRAW_TEXT_ON_PATH: { + DUMP_PTR(SkPaint, getPaint()); + DUMP_TEXT(); + DUMP_PTR(SkPath, &getPath()); + } break; + case RESTORE: + break; + case ROTATE: + DUMP_SCALAR(rotate); + break; + case SAVE: + DUMP_INT(SkCanvas::SaveFlags); + break; + case SAVE_LAYER: { + DUMP_RECT_PTR(layer); + DUMP_PTR(SkPaint, getPaint()); + DUMP_INT(SkCanvas::SaveFlags); + } break; + case SCALE: { + DUMP_SCALAR(sx); + DUMP_SCALAR(sy); + } break; + case SKEW: { + DUMP_SCALAR(sx); + DUMP_SCALAR(sy); + } break; + case TRANSLATE: { + DUMP_SCALAR(dx); + DUMP_SCALAR(dy); + } break; + default: + SkASSERT(0); + } + SkDebugf("%s\n", buffer); + } +} + +void SkPicturePlayback::dump() const { + char pBuffer[DUMP_BUFFER_SIZE]; + char* bufferPtr = pBuffer; + int index; + if (fBitmapCount > 0) + SkDebugf("// bitmaps (%d)\n", fBitmapCount); + for (index = 0; index < fBitmapCount; index++) { + const SkBitmap& bitmap = fBitmaps[index]; + dumpBitmap(bitmap); + } + if (fBitmapCount > 0) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "Bitmaps bitmaps = {"); + for (index = 0; index < fBitmapCount; index++) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "bitmap%p, ", &fBitmaps[index]); + if (fBitmapCount > 0) + SkDebugf("%s0};\n", pBuffer); + + + if (fPaintCount > 0) + SkDebugf("// paints (%d)\n", fPaintCount); + for (index = 0; index < fPaintCount; index++) { + const SkPaint& paint = fPaints[index]; + dumpPaint(paint); + } + bufferPtr = pBuffer; + if (fPaintCount > 0) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "Paints paints = {"); + for (index = 0; index < fPaintCount; index++) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "paint%p, ", &fPaints[index]); + if (fPaintCount > 0) + SkDebugf("%s0};\n", pBuffer); + + for (index = 0; index < fPathCount; index++) { + const SkPath& path = fPaths[index]; + dumpPath(path); + } + bufferPtr = pBuffer; + if (fPathCount > 0) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "Paths paths = {"); + for (index = 0; index < fPathCount; index++) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "path%p, ", &fPaths[index]); + if (fPathCount > 0) + SkDebugf("%s0};\n", pBuffer); + + for (index = 0; index < fPictureCount; index++) { + dumpPicture(*fPictureRefs[index]); + } + bufferPtr = pBuffer; + if (fPictureCount > 0) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "Pictures pictures = {"); + for (index = 0; index < fPictureCount; index++) + bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), + "picture%p, ", fPictureRefs[index]); + if (fPictureCount > 0) + SkDebugf("%s0};\n", pBuffer); + + const_cast(this)->dumpStream(); +} + +#endif