blob: f2d959d3d6c8bb5d11af8a69f48a2acad892bab2 [file] [log] [blame]
/*
* 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 "SkPicturePlayback.h"
#include "SkPictureRecord.h"
#include "SkTypeface.h"
#include "SkOrderedReadBuffer.h"
#include "SkOrderedWriteBuffer.h"
#include <new>
#include "SkBBoxHierarchy.h"
#include "SkPictureStateTree.h"
#include "SkTSort.h"
template <typename T> 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(&regionBytes);
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();
if (writer.bytesWritten() == 0) {
fOpData = SkData::NewEmpty();
return;
}
fBoundingHierarchy = record.fBoundingHierarchy;
fStateTree = record.fStateTree;
SkSafeRef(fBoundingHierarchy);
SkSafeRef(fStateTree);
if (NULL != fBoundingHierarchy) {
fBoundingHierarchy->flushDeferredInserts();
}
{
size_t size = writer.bytesWritten();
void* buffer = sk_malloc_throw(size);
writer.flatten(buffer);
SkASSERT(!fOpData);
fOpData = SkData::NewFromMalloc(buffer, size);
}
// copy over the refcnt dictionary to our reader
record.fFlattenableHeap.setupPlaybacks();
fBitmaps = record.fBitmapHeap->extractBitmaps();
fMatrices = record.fMatrices.unflattenToArray();
fPaints = record.fPaints.unflattenToArray();
fRegions = record.fRegions.unflattenToArray();
fBitmapHeap.reset(SkSafeRef(record.fBitmapHeap));
fPathHeap.reset(SkSafeRef(record.fPathHeap));
// ensure that the paths bounds are pre-computed
if (fPathHeap.get()) {
for (int i = 0; i < fPathHeap->count(); i++) {
(*fPathHeap)[i].updateBoundsCache();
}
}
const SkTDArray<SkPicture* >& 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(&regionBytes);
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()));
fMatrices = SkSafeRef(src.fMatrices);
fRegions = SkSafeRef(src.fRegions);
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<SkBitmap>::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,
&SkFlattenObjectProc<SkPaint>);
} 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<SkPaint>::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),
&SkUnflattenObjectProc<SkPaint>,
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;
fMatrices = NULL;
fPaints = NULL;
fPictureRefs = NULL;
fRegions = NULL;
fPictureCount = 0;
fOpData = NULL;
fFactoryPlayback = NULL;
fBoundingHierarchy = NULL;
fStateTree = NULL;
}
SkPicturePlayback::~SkPicturePlayback() {
fOpData->unref();
SkSafeUnref(fBitmaps);
SkSafeUnref(fMatrices);
SkSafeUnref(fPaints);
SkSafeUnref(fRegions);
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] matrices=%d [%d] paints=%d [%d] paths=%d regions=%d\n",
fOpData->size(),
SafeCount(fBitmaps), SafeCount(fBitmaps) * sizeof(SkBitmap),
SafeCount(fMatrices), SafeCount(fMatrices) * sizeof(SkMatrix),
SafeCount(fPaints), SafeCount(fPaints) * sizeof(SkPaint),
SafeCount(fPathHeap.get()),
SafeCount(fRegions));
}
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;
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
#define PICT_READER_TAG SkSetFourByteTag('r', 'e', 'a', 'd')
#define PICT_FACTORY_TAG SkSetFourByteTag('f', 'a', 'c', 't')
#define PICT_TYPEFACE_TAG SkSetFourByteTag('t', 'p', 'f', 'c')
#define PICT_PICTURE_TAG SkSetFourByteTag('p', 'c', 't', 'r')
// This tag specifies the size of the ReadBuffer, needed for the following tags
#define PICT_BUFFER_SIZE_TAG SkSetFourByteTag('a', 'r', 'a', 'y')
// these are all inside the ARRAYS tag
#define PICT_BITMAP_BUFFER_TAG SkSetFourByteTag('b', 't', 'm', 'p')
#define PICT_MATRIX_BUFFER_TAG SkSetFourByteTag('m', 't', 'r', 'x')
#define PICT_PAINT_BUFFER_TAG SkSetFourByteTag('p', 'n', 't', ' ')
#define PICT_PATH_BUFFER_TAG SkSetFourByteTag('p', 't', 'h', ' ')
#define PICT_REGION_BUFFER_TAG SkSetFourByteTag('r', 'g', 'n', ' ')
// Always write this guy last (with no length field afterwards)
#define PICT_EOF_TAG SkSetFourByteTag('e', 'o', 'f', ' ')
#include "SkStream.h"
static void writeTagSize(SkOrderedWriteBuffer& buffer, uint32_t tag,
uint32_t size) {
buffer.writeUInt(tag);
buffer.writeUInt(size);
}
static void writeTagSize(SkWStream* stream, uint32_t tag,
uint32_t size) {
stream->write32(tag);
stream->write32(size);
}
static void writeFactories(SkWStream* stream, const SkFactorySet& rec) {
int count = rec.count();
writeTagSize(stream, PICT_FACTORY_TAG, count);
SkAutoSTMalloc<16, SkFlattenable::Factory> storage(count);
SkFlattenable::Factory* array = (SkFlattenable::Factory*)storage.get();
rec.copyToArray(array);
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);
}
}
}
static void writeTypefaces(SkWStream* stream, const SkRefCntSet& rec) {
int count = rec.count();
writeTagSize(stream, 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(SkOrderedWriteBuffer& buffer) const {
int i, n;
if ((n = SafeCount(fBitmaps)) > 0) {
writeTagSize(buffer, PICT_BITMAP_BUFFER_TAG, n);
for (i = 0; i < n; i++) {
buffer.writeBitmap((*fBitmaps)[i]);
}
}
if ((n = SafeCount(fMatrices)) > 0) {
writeTagSize(buffer, PICT_MATRIX_BUFFER_TAG, n);
for (i = 0; i < n; i++) {
buffer.writeMatrix((*fMatrices)[i]);
}
}
if ((n = SafeCount(fPaints)) > 0) {
writeTagSize(buffer, PICT_PAINT_BUFFER_TAG, n);
for (i = 0; i < n; i++) {
buffer.writePaint((*fPaints)[i]);
}
}
if ((n = SafeCount(fPathHeap.get())) > 0) {
writeTagSize(buffer, PICT_PATH_BUFFER_TAG, n);
fPathHeap->flatten(buffer);
}
if ((n = SafeCount(fRegions)) > 0) {
writeTagSize(buffer, PICT_REGION_BUFFER_TAG, n);
for (i = 0; i < n; i++) {
buffer.writeRegion((*fRegions)[i]);
}
}
}
void SkPicturePlayback::serialize(SkWStream* stream,
SkPicture::EncodeBitmap encoder) const {
writeTagSize(stream, PICT_READER_TAG, fOpData->size());
stream->write(fOpData->bytes(), fOpData->size());
if (fPictureCount > 0) {
writeTagSize(stream, 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;
SkOrderedWriteBuffer buffer(1024);
buffer.setFlags(SkFlattenableWriteBuffer::kCrossProcess_Flag);
buffer.setTypefaceRecorder(&typefaceSet);
buffer.setFactoryRecorder(&factSet);
buffer.setBitmapEncoder(encoder);
this->flattenToBuffer(buffer);
// We have to write these to sets into the stream *before* we write
// the buffer, since parsing that buffer will require that we already
// have these sets available to use.
writeFactories(stream, factSet);
writeTypefaces(stream, typefaceSet);
writeTagSize(stream, PICT_BUFFER_SIZE_TAG, buffer.size());
buffer.writeToStream(stream);
}
stream->write32(PICT_EOF_TAG);
}
///////////////////////////////////////////////////////////////////////////////
/**
* Return the corresponding SkFlattenableReadBuffer 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, SkFlattenableReadBuffer::kCrossProcess_Flag },
{ SkPictInfo::kScalarIsFloat_Flag, SkFlattenableReadBuffer::kScalarIsFloat_Flag },
{ SkPictInfo::kPtrIs64Bit_Flag, SkFlattenableReadBuffer::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 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 PICT_FACTORY_TAG: {
SkASSERT(!haveBuffer);
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 PICT_TYPEFACE_TAG: {
SkASSERT(!haveBuffer);
fTFPlayback.setCount(size);
for (size_t i = 0; i < size; i++) {
SkAutoTUnref<SkTypeface> 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 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 PICT_BUFFER_SIZE_TAG: {
SkAutoMalloc storage(size);
if (stream->read(storage.get(), size) != size) {
return false;
}
SkOrderedReadBuffer 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(SkOrderedReadBuffer& buffer,
uint32_t tag, size_t size) {
switch (tag) {
case PICT_BITMAP_BUFFER_TAG: {
fBitmaps = SkTRefArray<SkBitmap>::Create(size);
for (size_t i = 0; i < size; ++i) {
SkBitmap* bm = &fBitmaps->writableAt(i);
buffer.readBitmap(bm);
bm->setImmutable();
}
} break;
case PICT_MATRIX_BUFFER_TAG:
fMatrices = SkTRefArray<SkMatrix>::Create(size);
for (size_t i = 0; i < size; ++i) {
buffer.readMatrix(&fMatrices->writableAt(i));
}
break;
case PICT_PAINT_BUFFER_TAG: {
fPaints = SkTRefArray<SkPaint>::Create(size);
for (size_t i = 0; i < size; ++i) {
buffer.readPaint(&fPaints->writableAt(i));
}
} break;
case PICT_PATH_BUFFER_TAG:
if (size > 0) {
fPathHeap.reset(SkNEW_ARGS(SkPathHeap, (buffer)));
}
break;
case PICT_REGION_BUFFER_TAG: {
fRegions = SkTRefArray<SkRegion>::Create(size);
for (size_t i = 0; i < size; ++i) {
buffer.readRegion(&fRegions->writableAt(i));
}
} break;
default:
// The tag was invalid.
return false;
}
return true; // success
}
SkPicturePlayback* SkPicturePlayback::CreateFromStream(SkStream* stream,
const SkPictInfo& info,
SkPicture::InstallPixelRefProc proc) {
SkAutoTDelete<SkPicturePlayback> playback(SkNEW(SkPicturePlayback));
if (!playback->parseStream(stream, info, proc)) {
return NULL;
}
return playback.detach();
}
bool SkPicturePlayback::parseStream(SkStream* stream, const SkPictInfo& info,
SkPicture::InstallPixelRefProc proc) {
for (;;) {
uint32_t tag = stream->readU32();
if (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;
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
#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;
}
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;
#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<void*> results;
if (NULL != fStateTree && NULL != fBoundingHierarchy) {
SkRect clipBounds;
if (canvas.getClipBounds(&clipBounds)) {
SkIRect query;
clipBounds.roundOut(&query);
fBoundingHierarchy->search(query, &results);
if (results.count() == 0) {
return;
}
SkTQSort<SkPictureStateTree::Draw>(
reinterpret_cast<SkPictureStateTree::Draw**>(results.begin()),
reinterpret_cast<SkPictureStateTree::Draw**>(results.end()-1));
}
}
SkPictureStateTree::Iterator it = (NULL == fStateTree) ?
SkPictureStateTree::Iterator() :
fStateTree->getIterator(results, &canvas);
if (it.isValid()) {
uint32_t skipTo = it.draw();
if (kDrawComplete == skipTo) {
return;
}
reader.setOffset(skipTo);
}
// 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
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());
if (!canvas.clipPath(path, regionOp, doAA) && offsetToRestore) {
#ifdef SPEW_CLIP_SKIPPING
skipPath.recordSkip(offsetToRestore - reader.offset());
#endif
reader.setOffset(offsetToRestore);
}
} break;
case CLIP_REGION: {
const SkRegion& region = getRegion(reader);
uint32_t packed = reader.readInt();
SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
size_t offsetToRestore = reader.readInt();
SkASSERT(!offsetToRestore || \
offsetToRestore >= reader.offset());
if (!canvas.clipRegion(region, regionOp) && offsetToRestore) {
#ifdef SPEW_CLIP_SKIPPING
skipRegion.recordSkip(offsetToRestore - reader.offset());
#endif
reader.setOffset(offsetToRestore);
}
} break;
case CLIP_RECT: {
const SkRect& rect = reader.skipT<SkRect>();
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());
if (!canvas.clipRect(rect, regionOp, doAA) && 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());
if (!canvas.clipRRect(rrect, regionOp, doAA) && offsetToRestore) {
#ifdef SPEW_CLIP_SKIPPING
skipRRect.recordSkip(offsetToRestore - reader.offset());
#endif
reader.setOffset(offsetToRestore);
}
} break;
case CONCAT:
canvas.concat(*getMatrix(reader));
break;
case DRAW_BITMAP: {
const SkPaint* paint = getPaint(reader);
const SkBitmap& bitmap = getBitmap(reader);
const SkPoint& loc = reader.skipT<SkPoint>();
canvas.drawBitmap(bitmap, loc.fX, loc.fY, paint);
} break;
case DRAW_BITMAP_RECT_TO_RECT: {
const SkPaint* paint = getPaint(reader);
const SkBitmap& bitmap = getBitmap(reader);
const SkRect* src = this->getRectPtr(reader); // may be null
const SkRect& dst = reader.skipT<SkRect>(); // required
SkCanvas::DrawBitmapRectFlags flags;
#ifndef DELETE_THIS_CODE_WHEN_SKPS_ARE_REBUILT_AT_V13_AND_ALL_OTHER_INSTANCES_TOO
flags = SkCanvas::kNone_DrawBitmapRectFlag;
// TODO: remove this backwards compatibility code once the .skps are
// regenerated
SkASSERT(32 == size || 48 == size || // old sizes
36 == size || 52 == size); // new sizes
if (36 == size || 52 == size) {
#endif
flags = (SkCanvas::DrawBitmapRectFlags) reader.readInt();
#ifndef DELETE_THIS_CODE_WHEN_SKPS_ARE_REBUILT_AT_V13_AND_ALL_OTHER_INSTANCES_TOO
}
#endif
canvas.drawBitmapRectToRect(bitmap, src, dst, paint, flags);
} break;
case DRAW_BITMAP_MATRIX: {
const SkPaint* paint = getPaint(reader);
const SkBitmap& bitmap = getBitmap(reader);
const SkMatrix* matrix = getMatrix(reader);
canvas.drawBitmapMatrix(bitmap, *matrix, paint);
} break;
case DRAW_BITMAP_NINE: {
const SkPaint* paint = getPaint(reader);
const SkBitmap& bitmap = getBitmap(reader);
const SkIRect& src = reader.skipT<SkIRect>();
const SkRect& dst = reader.skipT<SkRect>();
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 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 = *getPaint(reader);
canvas.drawOval(reader.skipT<SkRect>(), paint);
} break;
case DRAW_PAINT:
canvas.drawPaint(*getPaint(reader));
break;
case DRAW_PATH: {
const SkPaint& paint = *getPaint(reader);
canvas.drawPath(getPath(reader), paint);
} break;
case DRAW_PICTURE:
canvas.drawPicture(getPicture(reader));
break;
case DRAW_POINTS: {
const SkPaint& paint = *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 = *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 = *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 = *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 = *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 = *getPaint(reader);
canvas.drawRect(reader.skipT<SkRect>(), paint);
} break;
case DRAW_RRECT: {
const SkPaint& paint = *getPaint(reader);
SkRRect rrect;
canvas.drawRRect(*reader.readRRect(&rrect), paint);
} break;
case DRAW_SPRITE: {
const SkPaint* paint = getPaint(reader);
const SkBitmap& bitmap = getBitmap(reader);
int left = reader.readInt();
int top = reader.readInt();
canvas.drawSprite(bitmap, left, top, paint);
} break;
case DRAW_TEXT: {
const SkPaint& paint = *getPaint(reader);
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 = *getPaint(reader);
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 = *getPaint(reader);
getText(reader, &text);
const SkPath& path = getPath(reader);
const SkMatrix* matrix = getMatrix(reader);
canvas.drawTextOnPath(text.text(), text.length(), path,
matrix, paint);
} break;
case DRAW_VERTICES: {
const SkPaint& paint = *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));
}
canvas.drawVertices(vmode, vCount, verts, texs, colors, NULL,
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 = getRectPtr(reader);
const SkPaint* paint = 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;
matrix.setConcat(initialMatrix, *getMatrix(reader));
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;
SkDebugf("--- Clip skips %d%% rect:%d rrect:%d path:%d rgn:%d\n",
size * 100 / reader.offset(), skipRect.fCount, skipRRect.fCount,
skipPath.fCount, skipRegion.fCount);
}
#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;
}
int SkPicturePlayback::regions(size_t* size) {
size_t result = 0;
for (int index = 0; index < fRegionCount; index++) {
// const SkRegion& region = fRegions[index];
result += sizeof(SkRegion); // region->size();
}
*size = result;
return fRegionCount;
}
#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}, ", SkFractToFloat(perspX));
SkScalar perspY = matrix.getPerspY();
if (perspY != defaultMatrix.getPerspY())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"{kPerspY, %g}, ", SkFractToFloat(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_PTR(SkRegion, &getRegion());
DUMP_INT(SkRegion::Op);
DUMP_INT(offsetToRestore);
} break;
case CLIP_RECT: {
DUMP_RECT(rect);
DUMP_INT(SkRegion::Op);
DUMP_INT(offsetToRestore);
} break;
case CONCAT:
DUMP_PTR(SkMatrix, getMatrix());
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());
DUMP_PTR(SkMatrix, getMatrix());
} 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 (fMatrixCount > 0)
SkDebugf("// matrices (%d)\n", fMatrixCount);
for (index = 0; index < fMatrixCount; index++) {
const SkMatrix& matrix = fMatrices[index];
dumpMatrix(matrix);
}
bufferPtr = pBuffer;
if (fMatrixCount > 0)
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"Matrices matrices = {");
for (index = 0; index < fMatrixCount; index++)
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"matrix%p, ", &fMatrices[index]);
if (fMatrixCount > 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);
for (index = 0; index < fRegionCount; index++) {
const SkRegion& region = fRegions[index];
dumpRegion(region);
}
bufferPtr = pBuffer;
if (fRegionCount > 0)
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"Regions regions = {");
for (index = 0; index < fRegionCount; index++)
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"region%p, ", &fRegions[index]);
if (fRegionCount > 0)
SkDebugf("%s0};\n", pBuffer);
const_cast<SkPicturePlayback*>(this)->dumpStream();
}
#endif