Rename SkPicturePlayback to SkPictureData

src/core/SkPicturePlayback.h

Index: src/core/SkPicturePlayback.h
diff --git a/src/core/SkPicturePlayback.h b/src/core/SkPicturePlayback.h
deleted file mode 100644
index f5260f8d0f1fb4b9695e2f1039f53f20e923fd0d..0000000000000000000000000000000000000000
--- a/src/core/SkPicturePlayback.h
+++ /dev/null
@@ -1,437 +0,0 @@
-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkPicturePlayback_DEFINED
-#define SkPicturePlayback_DEFINED
-
-#include "SkBitmap.h"
-#include "SkPathHeap.h"
-#include "SkPicture.h"
-#include "SkPictureFlat.h"
-
-#ifdef SK_BUILD_FOR_ANDROID
-#include "SkThread.h"
-#endif
-
-class SkData;
-class SkPictureRecord;
-class SkReader32;
-class SkStream;
-class SkWStream;
-class SkBBoxHierarchy;
-class SkMatrix;
-class SkPaint;
-class SkPath;
-class SkPictureStateTree;
-class SkReadBuffer;
-class SkRegion;
-
-struct SkPictInfo {
-    enum Flags {
-        kCrossProcess_Flag      = 1 << 0,
-        kScalarIsFloat_Flag     = 1 << 1,
-        kPtrIs64Bit_Flag        = 1 << 2,
-    };
-
-    char        fMagic[8];
-    uint32_t    fVersion;
-    uint32_t    fWidth;
-    uint32_t    fHeight;
-    uint32_t    fFlags;
-};
-
-#define SK_PICT_READER_TAG     SkSetFourByteTag('r', 'e', 'a', 'd')
-#define SK_PICT_FACTORY_TAG    SkSetFourByteTag('f', 'a', 'c', 't')
-#define SK_PICT_TYPEFACE_TAG   SkSetFourByteTag('t', 'p', 'f', 'c')
-#define SK_PICT_PICTURE_TAG    SkSetFourByteTag('p', 'c', 't', 'r')
-
-// This tag specifies the size of the ReadBuffer, needed for the following tags
-#define SK_PICT_BUFFER_SIZE_TAG     SkSetFourByteTag('a', 'r', 'a', 'y')
-// these are all inside the ARRAYS tag
-#define SK_PICT_BITMAP_BUFFER_TAG  SkSetFourByteTag('b', 't', 'm', 'p')
-#define SK_PICT_PAINT_BUFFER_TAG   SkSetFourByteTag('p', 'n', 't', ' ')
-#define SK_PICT_PATH_BUFFER_TAG    SkSetFourByteTag('p', 't', 'h', ' ')
-
-// Always write this guy last (with no length field afterwards)
-#define SK_PICT_EOF_TAG     SkSetFourByteTag('e', 'o', 'f', ' ')
-
-// SkPictureContentInfo is not serialized! It is intended solely for use
-// with suitableForGpuRasterization.
-class SkPictureContentInfo {
-public:
-    SkPictureContentInfo() { this->reset(); }
-
-    SkPictureContentInfo(const SkPictureContentInfo& src) { this->set(src); }
-
-    void set(const SkPictureContentInfo& src) {
-        fNumPaintWithPathEffectUses = src.fNumPaintWithPathEffectUses;
-        fNumFastPathDashEffects = src.fNumFastPathDashEffects;
-        fNumAAConcavePaths = src.fNumAAConcavePaths;
-        fNumAAHairlineConcavePaths = src.fNumAAHairlineConcavePaths;
-    }
-
-    void reset() {
-        fNumPaintWithPathEffectUses = 0;
-        fNumFastPathDashEffects = 0;
-        fNumAAConcavePaths = 0;
-        fNumAAHairlineConcavePaths = 0;
-    }
-
-    void swap(SkPictureContentInfo* other) {
-        SkTSwap(fNumPaintWithPathEffectUses, other->fNumPaintWithPathEffectUses);
-        SkTSwap(fNumFastPathDashEffects, other->fNumFastPathDashEffects);
-        SkTSwap(fNumAAConcavePaths, other->fNumAAConcavePaths);
-        SkTSwap(fNumAAHairlineConcavePaths, other->fNumAAHairlineConcavePaths);
-    }
-
-    void incPaintWithPathEffectUses() { ++fNumPaintWithPathEffectUses; }
-    int numPaintWithPathEffectUses() const { return fNumPaintWithPathEffectUses; }
-
-    void incFastPathDashEffects() { ++fNumFastPathDashEffects; }
-    int numFastPathDashEffects() const { return fNumFastPathDashEffects; }
-
-    void incAAConcavePaths() { ++fNumAAConcavePaths; }
-    int numAAConcavePaths() const { return fNumAAConcavePaths; }
-
-    void incAAHairlineConcavePaths() {
-        ++fNumAAHairlineConcavePaths;
-        SkASSERT(fNumAAHairlineConcavePaths <= fNumAAConcavePaths);
-    }
-    int numAAHairlineConcavePaths() const { return fNumAAHairlineConcavePaths; }
-
-private:
-    // This field is incremented every time a paint with a path effect is
-    // used (i.e., it is not a de-duplicated count)
-    int fNumPaintWithPathEffectUses;
-    // This field is incremented every time a paint with a path effect that is
-    // dashed, we are drawing a line, and we can use the gpu fast path
-    int fNumFastPathDashEffects;
-    // This field is incremented every time an anti-aliased drawPath call is
-    // issued with a concave path
-    int fNumAAConcavePaths;
-    // This field is incremented every time a drawPath call is
-    // issued for a hairline stroked concave path.
-    int fNumAAHairlineConcavePaths;
-};
-
-#ifdef SK_SUPPORT_LEGACY_PICTURE_CLONE
-/**
- * Container for data that is needed to deep copy a SkPicture. The container
- * enables the data to be generated once and reused for subsequent copies.
- */
-struct SkPictCopyInfo {
-    SkPictCopyInfo() : initialized(false), controller(1024) {}
-
-    bool initialized;
-    SkChunkFlatController controller;
-    SkTDArray<SkFlatData*> paintData;
-};
-#endif
-
-class SkPicturePlayback {
-public:
-#ifdef SK_SUPPORT_LEGACY_PICTURE_CLONE
-    SkPicturePlayback(const SkPicturePlayback& src,
-                      SkPictCopyInfo* deepCopyInfo = NULL);
-#else
-    SkPicturePlayback(const SkPicturePlayback& src);
-#endif
-    SkPicturePlayback(const SkPictureRecord& record, const SkPictInfo&, bool deepCopyOps);
-    static SkPicturePlayback* CreateFromStream(SkStream*,
-                                               const SkPictInfo&,
-                                               SkPicture::InstallPixelRefProc);
-    static SkPicturePlayback* CreateFromBuffer(SkReadBuffer&,
-                                               const SkPictInfo&);
-
-    virtual ~SkPicturePlayback();
-
-    const SkPicture::OperationList& getActiveOps(const SkIRect& queryRect);
-
-    void setUseBBH(bool useBBH) { fUseBBH = useBBH; }
-
-    void draw(SkCanvas& canvas, SkDrawPictureCallback*);
-
-    void serialize(SkWStream*, SkPicture::EncodeBitmap) const;
-    void flatten(SkWriteBuffer&) const;
-
-    void dumpSize() const;
-
-    bool containsBitmaps() const;
-
-#ifdef SK_BUILD_FOR_ANDROID
-    // Can be called in the middle of playback (the draw() call). WIll abort the
-    // drawing and return from draw() after the "current" op code is done
-    void abort() { fAbortCurrentPlayback = true; }
-#endif
-
-    size_t curOpID() const { return fCurOffset; }
-    void resetOpID() { fCurOffset = 0; }
-
-protected:
-    explicit SkPicturePlayback(const SkPictInfo& info);
-
-    bool parseStream(SkStream*, SkPicture::InstallPixelRefProc);
-    bool parseBuffer(SkReadBuffer& buffer);
-#ifdef SK_DEVELOPER
-    virtual bool preDraw(int opIndex, int type);
-    virtual void postDraw(int opIndex);
-#endif
-
-private:
-    class TextContainer {
-    public:
-        size_t length() { return fByteLength; }
-        const void* text() { return (const void*) fText; }
-        size_t fByteLength;
-        const char* fText;
-    };
-
-    const SkBitmap& getBitmap(SkReader32& reader) {
-        const int index = reader.readInt();
-        if (SkBitmapHeap::INVALID_SLOT == index) {
-#ifdef SK_DEBUG
-            SkDebugf("An invalid bitmap was recorded!\n");
-#endif
-            return fBadBitmap;
-        }
-        return (*fBitmaps)[index];
-    }
-
-    void getMatrix(SkReader32& reader, SkMatrix* matrix) {
-        reader.readMatrix(matrix);
-    }
-
-    const SkPath& getPath(SkReader32& reader) {
-        int index = reader.readInt() - 1;
-        return (*fPathHeap.get())[index];
-    }
-
-    const SkPicture* getPicture(SkReader32& reader) {
-        int index = reader.readInt();
-        SkASSERT(index > 0 && index <= fPictureCount);
-        return fPictureRefs[index - 1];
-    }
-
-    const SkPaint* getPaint(SkReader32& reader) {
-        int index = reader.readInt();
-        if (index == 0) {
-            return NULL;
-        }
-        return &(*fPaints)[index - 1];
-    }
-
-    const SkRect* getRectPtr(SkReader32& reader) {
-        if (reader.readBool()) {
-            return &reader.skipT<SkRect>();
-        } else {
-            return NULL;
-        }
-    }
-
-    const SkIRect* getIRectPtr(SkReader32& reader) {
-        if (reader.readBool()) {
-            return &reader.skipT<SkIRect>();
-        } else {
-            return NULL;
-        }
-    }
-
-    void getRegion(SkReader32& reader, SkRegion* region) {
-        reader.readRegion(region);
-    }
-
-    void getText(SkReader32& reader, TextContainer* text) {
-        size_t length = text->fByteLength = reader.readInt();
-        text->fText = (const char*)reader.skip(length);
-    }
-
-    void init();
-
-#ifdef SK_DEBUG_SIZE
-public:
-    int size(size_t* sizePtr);
-    int bitmaps(size_t* size);
-    int paints(size_t* size);
-    int paths(size_t* size);
-#endif
-
-#ifdef SK_DEBUG_DUMP
-private:
-    void dumpBitmap(const SkBitmap& bitmap) const;
-    void dumpMatrix(const SkMatrix& matrix) const;
-    void dumpPaint(const SkPaint& paint) const;
-    void dumpPath(const SkPath& path) const;
-    void dumpPicture(const SkPicture& picture) const;
-    void dumpRegion(const SkRegion& region) const;
-    int dumpDrawType(char* bufferPtr, char* buffer, DrawType drawType);
-    int dumpInt(char* bufferPtr, char* buffer, char* name);
-    int dumpRect(char* bufferPtr, char* buffer, char* name);
-    int dumpPoint(char* bufferPtr, char* buffer, char* name);
-    void dumpPointArray(char** bufferPtrPtr, char* buffer, int count);
-    int dumpPtr(char* bufferPtr, char* buffer, char* name, void* ptr);
-    int dumpRectPtr(char* bufferPtr, char* buffer, char* name);
-    int dumpScalar(char* bufferPtr, char* buffer, char* name);
-    void dumpText(char** bufferPtrPtr, char* buffer);
-    void dumpStream();
-
-public:
-    void dump() const;
-#endif
-
-#if SK_SUPPORT_GPU
-    /**
-     * sampleCount is the number of samples-per-pixel or zero if non-MSAA.
-     * It is defaulted to be zero.
-     */
-    bool suitableForGpuRasterization(GrContext* context, const char **reason,
-                                     int sampleCount = 0) const;
-
-    /**
-     * Calls getRecommendedSampleCount with GrPixelConfig and dpi to calculate sampleCount
-     * and then calls the above version of suitableForGpuRasterization
-     */
-    bool suitableForGpuRasterization(GrContext* context, const char **reason,
-                                     GrPixelConfig config, SkScalar dpi) const;
-#endif
-
-private:    // these help us with reading/writing
-    bool parseStreamTag(SkStream*, uint32_t tag, uint32_t size, SkPicture::InstallPixelRefProc);
-    bool parseBufferTag(SkReadBuffer&, uint32_t tag, uint32_t size);
-    void flattenToBuffer(SkWriteBuffer&) const;
-
-private:
-    friend class SkPicture;
-    friend class SkGpuDevice;   // for access to setDrawLimits & setReplacements
-
-    // Only used by getBitmap() if the passed in index is SkBitmapHeap::INVALID_SLOT. This empty
-    // bitmap allows playback to draw nothing and move on.
-    SkBitmap fBadBitmap;
-
-    SkAutoTUnref<SkBitmapHeap> fBitmapHeap;
-
-    SkTRefArray<SkBitmap>* fBitmaps;
-    SkTRefArray<SkPaint>* fPaints;
-
-    SkData* fOpData;    // opcodes and parameters
-
-    SkAutoTUnref<const SkPathHeap> fPathHeap;  // reference counted
-
-    const SkPicture** fPictureRefs;
-    int fPictureCount;
-
-    SkBBoxHierarchy* fBoundingHierarchy;
-    SkPictureStateTree* fStateTree;
-
-    SkPictureContentInfo fContentInfo;
-
-    // Limit the opcode playback to be between the offsets 'start' and 'stop'.
-    // The opcode at 'start' should be a saveLayer while the opcode at
-    // 'stop' should be a restore. Neither of those commands will be issued.
-    // Set both start & stop to 0 to disable draw limiting
-    // Draw limiting cannot be enabled at the same time as draw replacing
-    void setDrawLimits(size_t start, size_t stop) {
-        SkASSERT(NULL == fReplacements);
-        fStart = start;
-        fStop = stop;
-    }
-
-    // PlaybackReplacements collects op ranges that can be replaced with
-    // a single drawBitmap call (using a precomputed bitmap).
-    class PlaybackReplacements {
-    public:
-        // All the operations between fStart and fStop (inclusive) will be replaced with
-        // a single drawBitmap call using fPos, fBM and fPaint.
-        // fPaint will be NULL if the picture's paint wasn't copyable
-        struct ReplacementInfo {
-            size_t          fStart;
-            size_t          fStop;
-            SkIPoint        fPos;
-            SkBitmap*       fBM;     // fBM is allocated so ReplacementInfo can remain POD
-            const SkPaint*  fPaint;  // Note: this object doesn't own the paint
-
-            SkIRect         fSrcRect;
-        };
-
-        ~PlaybackReplacements() { this->freeAll(); }
-
-        // Add a new replacement range. The replacement ranges should be
-        // sorted in increasing order and non-overlapping (esp. no nested
-        // saveLayers).
-        ReplacementInfo* push();
-
-    private:
-        friend class SkPicturePlayback; // for access to lookupByStart
-
-        // look up a replacement range by its start offset
-        ReplacementInfo* lookupByStart(size_t start);
-
-        void freeAll();
-
-#ifdef SK_DEBUG
-        void validate() const;
-#endif
-
-        SkTDArray<ReplacementInfo> fReplacements;
-    };
-
-    // Replace all the draw ops in the replacement ranges in 'replacements' with
-    // the associated drawBitmap call
-    // Draw replacing cannot be enabled at the same time as draw limiting
-    void setReplacements(PlaybackReplacements* replacements) {
-        SkASSERT(fStart == 0 && fStop == 0);
-        fReplacements = replacements;
-    }
-
-    bool   fUseBBH;
-    size_t fStart;
-    size_t fStop;
-    PlaybackReplacements* fReplacements;
-
-    class CachedOperationList : public SkPicture::OperationList {
-    public:
-        CachedOperationList() {
-            fCacheQueryRect.setEmpty();
-        }
-
-        virtual bool valid() const { return true; }
-        virtual int numOps() const SK_OVERRIDE { return fOps.count(); }
-        virtual uint32_t offset(int index) const SK_OVERRIDE;
-        virtual const SkMatrix& matrix(int index) const SK_OVERRIDE;
-
-        // The query rect for which the cached active ops are valid
-        SkIRect          fCacheQueryRect;
-
-        // The operations which are active within 'fCachedQueryRect'
-        SkTDArray<void*> fOps;
-
-    private:
-        typedef SkPicture::OperationList INHERITED;
-    };
-
-    CachedOperationList* fCachedActiveOps;
-
-    SkTypefacePlayback fTFPlayback;
-    SkFactoryPlayback* fFactoryPlayback;
-
-    // The offset of the current operation when within the draw method
-    size_t fCurOffset;
-
-    const SkPictInfo fInfo;
-
-    static void WriteFactories(SkWStream* stream, const SkFactorySet& rec);
-    static void WriteTypefaces(SkWStream* stream, const SkRefCntSet& rec);
-
-    void initForPlayback() const;
-
-#ifdef SK_BUILD_FOR_ANDROID
-    SkMutex fDrawMutex;
-    bool fAbortCurrentPlayback;
-#endif
-};
-
-#endif