/*
 * 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 <new>
#include "SkBBoxHierarchy.h"
#include "SkDrawPictureCallback.h"
#include "SkPictureData.h"
#include "SkPictureRecord.h"
#include "SkPictureStateTree.h"
#include "SkReadBuffer.h"
#include "SkTypeface.h"
#include "SkTSort.h"
#include "SkWriteBuffer.h"

#if SK_SUPPORT_GPU
#include "GrContext.h"
#endif

template <typename T> int SafeCount(const T* obj) {
    return obj ? obj->count() : 0;
}

SkPictureData::SkPictureData(const SkPictInfo& info)
    : fInfo(info) {
    this->init();
}

void SkPictureData::initForPlayback() const {
    // ensure that the paths bounds are pre-computed
    if (NULL != fPathHeap.get()) {
        for (int i = 0; i < fPathHeap->count(); i++) {
            (*fPathHeap.get())[i].updateBoundsCache();
        }
    }
}

SkPictureData::SkPictureData(const SkPictureRecord& record,
                                     const SkPictInfo& info,
                                     bool deepCopyOps)
    : fInfo(info) {
#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

    this->init();

    fOpData = record.opData(deepCopyOps);

    fBoundingHierarchy = record.fBoundingHierarchy;
    fStateTree = record.fStateTree;

    SkSafeRef(fBoundingHierarchy);
    SkSafeRef(fStateTree);
    fContentInfo.set(record.fContentInfo);

    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.pathHeap()));

    this->initForPlayback();

    const SkTDArray<const SkPicture* >& pictures = record.getPictureRefs();
    fPictureCount = pictures.count();
    if (fPictureCount > 0) {
        fPictureRefs = SkNEW_ARRAY(const SkPicture*, fPictureCount);
        for (int i = 0; i < fPictureCount; i++) {
            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
}

#ifdef SK_SUPPORT_LEGACY_PICTURE_CLONE
SkPictureData::SkPictureData(const SkPictureData& src, SkPictCopyInfo* deepCopyInfo)
    : fInfo(src.fInfo) {
    this->init();

    fBitmapHeap.reset(SkSafeRef(src.fBitmapHeap.get()));
    fPathHeap.reset(SkSafeRef(src.fPathHeap.get()));

    fOpData = SkSafeRef(src.fOpData);

    fBoundingHierarchy = src.fBoundingHierarchy;
    fStateTree = src.fStateTree;
    fContentInfo.set(src.fContentInfo);

    SkSafeRef(fBoundingHierarchy);
    SkSafeRef(fStateTree);

    if (deepCopyInfo) {
        SkASSERT(deepCopyInfo->initialized);

        int paintCount = SafeCount(src.fPaints);

        if (src.fBitmaps) {
            fBitmaps = SkTRefArray<SkBitmap>::Create(src.fBitmaps->begin(), src.fBitmaps->count());
        }

        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<SkPaint::FlatteningTraits>(
                    &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(const 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();
        }
    }
}
#else
SkPictureData::SkPictureData(const SkPictureData& src) : fInfo(src.fInfo) {
    this->init();

    fBitmapHeap.reset(SkSafeRef(src.fBitmapHeap.get()));
    fPathHeap.reset(SkSafeRef(src.fPathHeap.get()));

    fOpData = SkSafeRef(src.fOpData);

    fBoundingHierarchy = src.fBoundingHierarchy;
    fStateTree = src.fStateTree;
    fContentInfo.set(src.fContentInfo);

    SkSafeRef(fBoundingHierarchy);
    SkSafeRef(fStateTree);

    fBitmaps = SkSafeRef(src.fBitmaps);
    fPaints = SkSafeRef(src.fPaints);

    fPictureCount = src.fPictureCount;
    fPictureRefs = SkNEW_ARRAY(const SkPicture*, fPictureCount);
    for (int i = 0; i < fPictureCount; i++) {
        fPictureRefs[i] = SkRef(src.fPictureRefs[i]);
    }
}
#endif//SK_SUPPORT_LEGACY_PICTURE_CLONE

void SkPictureData::init() {
    fBitmaps = NULL;
    fPaints = NULL;
    fPictureRefs = NULL;
    fPictureCount = 0;
    fOpData = NULL;
    fFactoryPlayback = NULL;
    fBoundingHierarchy = NULL;
    fStateTree = NULL;
}

SkPictureData::~SkPictureData() {
    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 SkPictureData::dumpSize() const {
    SkDebugf("--- picture size: ops=%d bitmaps=%d [%d] paints=%d [%d]\n",
             fOpData->size(),
             SafeCount(fBitmaps), SafeCount(fBitmaps) * sizeof(SkBitmap),
             SafeCount(fPaints), SafeCount(fPaints) * sizeof(SkPaint));
    SkDebugf("--- picture size: paths=%d\n",
             SafeCount(fPathHeap.get()));
}

bool SkPictureData::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 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;
}

void SkPictureData::WriteFactories(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
    SkPicture::WriteTagSize(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 {
            size_t len = strlen(name);
            stream->writePackedUInt(len);
            stream->write(name, len);
        }
    }

    SkASSERT(size == (stream->bytesWritten() - start));
}

void SkPictureData::WriteTypefaces(SkWStream* stream, const SkRefCntSet& rec) {
    int count = rec.count();

    SkPicture::WriteTagSize(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 SkPictureData::flattenToBuffer(SkWriteBuffer& buffer) const {
    int i, n;

    if ((n = SafeCount(fBitmaps)) > 0) {
        SkPicture::WriteTagSize(buffer, SK_PICT_BITMAP_BUFFER_TAG, n);
        for (i = 0; i < n; i++) {
            buffer.writeBitmap((*fBitmaps)[i]);
        }
    }

    if ((n = SafeCount(fPaints)) > 0) {
        SkPicture::WriteTagSize(buffer, SK_PICT_PAINT_BUFFER_TAG, n);
        for (i = 0; i < n; i++) {
            buffer.writePaint((*fPaints)[i]);
        }
    }

    if ((n = SafeCount(fPathHeap.get())) > 0) {
        SkPicture::WriteTagSize(buffer, SK_PICT_PATH_BUFFER_TAG, n);
        fPathHeap->flatten(buffer);
    }
}

void SkPictureData::serialize(SkWStream* stream,
                                  SkPicture::EncodeBitmap encoder) const {
    SkPicture::WriteTagSize(stream, SK_PICT_READER_TAG, fOpData->size());
    stream->write(fOpData->bytes(), fOpData->size());

    if (fPictureCount > 0) {
        SkPicture::WriteTagSize(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.
        WriteFactories(stream, factSet);
        WriteTypefaces(stream, typefaceSet);

        SkPicture::WriteTagSize(stream, SK_PICT_BUFFER_SIZE_TAG, buffer.bytesWritten());
        buffer.writeToStream(stream);
    }

    stream->write32(SK_PICT_EOF_TAG);
}

void SkPictureData::flatten(SkWriteBuffer& buffer) const {
    SkPicture::WriteTagSize(buffer, SK_PICT_READER_TAG, fOpData->size());
    buffer.writeByteArray(fOpData->bytes(), fOpData->size());

    if (fPictureCount > 0) {
        SkPicture::WriteTagSize(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 SkPictureData::parseStreamTag(SkStream* stream,
                                   uint32_t tag,
                                   uint32_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 (fInfo.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);
            const int count = SkToInt(size);
            fTFPlayback.setCount(count);
            for (int i = 0; i < count; 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 SK_PICT_PICTURE_TAG: {
            fPictureCount = size;
            fPictureRefs = SkNEW_ARRAY(const 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(fInfo.fFlags));
            buffer.setVersion(fInfo.fVersion);

            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 SkPictureData::parseBufferTag(SkReadBuffer& buffer,
                                   uint32_t tag, uint32_t size) {
    switch (tag) {
        case SK_PICT_BITMAP_BUFFER_TAG: {
            const int count = SkToInt(size);
            fBitmaps = SkTRefArray<SkBitmap>::Create(size);
            for (int i = 0; i < count; ++i) {
                SkBitmap* bm = &fBitmaps->writableAt(i);
                buffer.readBitmap(bm);
                bm->setImmutable();
            }
        } break;
        case SK_PICT_PAINT_BUFFER_TAG: {
            const int count = SkToInt(size);
            fPaints = SkTRefArray<SkPaint>::Create(size);
            for (int i = 0; i < count; ++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(const 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
}

SkPictureData* SkPictureData::CreateFromStream(SkStream* stream,
                                               const SkPictInfo& info,
                                               SkPicture::InstallPixelRefProc proc) {
    SkAutoTDelete<SkPictureData> data(SkNEW_ARGS(SkPictureData, (info)));

    if (!data->parseStream(stream, proc)) {
        return NULL;
    }
    return data.detach();
}

SkPictureData* SkPictureData::CreateFromBuffer(SkReadBuffer& buffer,
                                               const SkPictInfo& info) {
    SkAutoTDelete<SkPictureData> data(SkNEW_ARGS(SkPictureData, (info)));
    buffer.setVersion(info.fVersion);

    if (!data->parseBuffer(buffer)) {
        return NULL;
    }
    return data.detach();
}

bool SkPictureData::parseStream(SkStream* stream,
                                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, tag, size, proc)) {
            return false; // we're invalid
        }
    }
    return true;
}

bool SkPictureData::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;
}

///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////

const SkPicture::OperationList* SkPictureData::getActiveOps(const SkIRect& query) const {
    if (NULL == fStateTree || NULL == fBoundingHierarchy) {
        return NULL;
    }

    SkPicture::OperationList* activeOps = SkNEW(SkPicture::OperationList);

    fBoundingHierarchy->search(query, &(activeOps->fOps));
    if (0 != activeOps->fOps.count()) {
        SkTQSort<SkPictureStateTree::Draw>(
            reinterpret_cast<SkPictureStateTree::Draw**>(activeOps->fOps.begin()),
            reinterpret_cast<SkPictureStateTree::Draw**>(activeOps->fOps.end()-1));
    }

    return activeOps;
}

#if SK_SUPPORT_GPU
bool SkPictureData::suitableForGpuRasterization(GrContext* context, const char **reason,
                                                    int sampleCount) const {
    // TODO: the heuristic used here needs to be refined
    static const int kNumPaintWithPathEffectUsesTol = 1;
    static const int kNumAAConcavePaths = 5;

    SkASSERT(fContentInfo.numAAHairlineConcavePaths() <= fContentInfo.numAAConcavePaths());

    int numNonDashedPathEffects = fContentInfo.numPaintWithPathEffectUses() -
                                  fContentInfo.numFastPathDashEffects();

    bool suitableForDash = (0 == fContentInfo.numPaintWithPathEffectUses()) ||
                           (numNonDashedPathEffects < kNumPaintWithPathEffectUsesTol
                            && 0 == sampleCount);

    bool ret = suitableForDash &&
                    (fContentInfo.numAAConcavePaths() - fContentInfo.numAAHairlineConcavePaths())
                    < kNumAAConcavePaths;
    if (!ret && NULL != reason) {
        if (!suitableForDash) {
            if (0 != sampleCount) {
                *reason = "Can't use multisample on dash effect.";
            } else {
                *reason = "Too many non dashed path effects.";
            }
        } else if ((fContentInfo.numAAConcavePaths() - fContentInfo.numAAHairlineConcavePaths())
                    >= kNumAAConcavePaths)
            *reason = "Too many anti-aliased concave paths.";
        else
            *reason = "Unknown reason for GPU unsuitability.";
    }
    return ret;
}

bool SkPictureData::suitableForGpuRasterization(GrContext* context, const char **reason,
                                                GrPixelConfig config, SkScalar dpi) const {

    if (context != NULL) {
        return this->suitableForGpuRasterization(context, reason,
                                                 context->getRecommendedSampleCount(config, dpi));
    } else {
        return this->suitableForGpuRasterization(NULL, reason);
    }
}

#endif
///////////////////////////////////////////////////////////////////////////////

#ifdef SK_DEBUG_SIZE
int SkPictureData::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 SkPictureData::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 SkPictureData::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 SkPictureData::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 SkPictureData::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 SkPictureData::dumpPath(const SkPath& path) const {
    SkDebugf("path dump unimplemented\n");
}

void SkPictureData::dumpPicture(const SkPicture& picture) const {
    SkDebugf("picture dump unimplemented\n");
}

void SkPictureData::dumpRegion(const SkRegion& region) const {
    SkDebugf("region dump unimplemented\n");
}

int SkPictureData::dumpDrawType(char* bufferPtr, char* buffer, DrawType drawType) {
    return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
        "k%s, ", DrawTypeToString(drawType));
}

int SkPictureData::dumpInt(char* bufferPtr, char* buffer, char* name) {
    return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
        "%s:%d, ", name, getInt());
}

int SkPictureData::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 SkPictureData::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 SkPictureData::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 SkPictureData::dumpPtr(char* bufferPtr, char* buffer, char* name, void* ptr) {
    return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
        "%s:%p, ", name, ptr);
}

int SkPictureData::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 SkPictureData::dumpScalar(char* bufferPtr, char* buffer, char* name) {
    return snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - buffer),
        "%s:%d, ", name, getScalar());
}

void SkPictureData::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 SkPictureData::dumpStream() {
    SkDebugf("RecordStream stream = {\n");
    DrawType drawType;
    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 SkPictureData::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<SkPictureData*>(this)->dumpStream();
}

#endif