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/*
* 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 SkPictureRecord_DEFINED
#define SkPictureRecord_DEFINED
#include "SkCanvas.h"
#include "SkFlattenable.h"
#include "SkPathHeap.h"
#include "SkPicture.h"
#include "SkPictureFlat.h"
#include "SkTemplates.h"
#include "SkWriter32.h"
class SkPictureRecord : public SkCanvas {
public:
SkPictureRecord(uint32_t recordFlags);
virtual ~SkPictureRecord();
virtual SkDevice* setDevice(SkDevice* device) SK_OVERRIDE;
virtual int save(SaveFlags) SK_OVERRIDE;
virtual int saveLayer(const SkRect* bounds, const SkPaint*, SaveFlags) SK_OVERRIDE;
virtual void restore() SK_OVERRIDE;
virtual bool translate(SkScalar dx, SkScalar dy) SK_OVERRIDE;
virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE;
virtual bool rotate(SkScalar degrees) SK_OVERRIDE;
virtual bool skew(SkScalar sx, SkScalar sy) SK_OVERRIDE;
virtual bool concat(const SkMatrix& matrix) SK_OVERRIDE;
virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE;
virtual bool clipRect(const SkRect&, SkRegion::Op, bool) SK_OVERRIDE;
virtual bool clipPath(const SkPath&, SkRegion::Op, bool) SK_OVERRIDE;
virtual bool clipRegion(const SkRegion& region, SkRegion::Op op) SK_OVERRIDE;
virtual void clear(SkColor) SK_OVERRIDE;
virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE;
virtual void drawPoints(PointMode, size_t count, const SkPoint pts[],
const SkPaint&) SK_OVERRIDE;
virtual void drawRect(const SkRect& rect, const SkPaint&) SK_OVERRIDE;
virtual void drawPath(const SkPath& path, const SkPaint&) SK_OVERRIDE;
virtual void drawBitmap(const SkBitmap&, SkScalar left, SkScalar top,
const SkPaint*) SK_OVERRIDE;
virtual void drawBitmapRect(const SkBitmap&, const SkIRect* src,
const SkRect& dst, const SkPaint*) SK_OVERRIDE;
virtual void drawBitmapMatrix(const SkBitmap&, const SkMatrix&,
const SkPaint*) SK_OVERRIDE;
virtual void drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
const SkRect& dst, const SkPaint*) SK_OVERRIDE;
virtual void drawSprite(const SkBitmap&, int left, int top,
const SkPaint*) SK_OVERRIDE;
virtual void drawText(const void* text, size_t byteLength, SkScalar x,
SkScalar y, const SkPaint&) SK_OVERRIDE;
virtual void drawPosText(const void* text, size_t byteLength,
const SkPoint pos[], const SkPaint&) SK_OVERRIDE;
virtual void drawPosTextH(const void* text, size_t byteLength,
const SkScalar xpos[], SkScalar constY, const SkPaint&) SK_OVERRIDE;
virtual void drawTextOnPath(const void* text, size_t byteLength,
const SkPath& path, const SkMatrix* matrix,
const SkPaint&) SK_OVERRIDE;
virtual void drawPicture(SkPicture& picture) SK_OVERRIDE;
virtual void drawVertices(VertexMode, int vertexCount,
const SkPoint vertices[], const SkPoint texs[],
const SkColor colors[], SkXfermode*,
const uint16_t indices[], int indexCount,
const SkPaint&) SK_OVERRIDE;
virtual void drawData(const void*, size_t) SK_OVERRIDE;
virtual bool isDrawingToLayer() const SK_OVERRIDE;
void addFontMetricsTopBottom(const SkPaint& paint, SkScalar minY, SkScalar maxY);
const SkBitmapDictionary& getBitmaps() const {
return fBitmaps;
}
const SkMatrixDictionary& getMatrices() const {
return fMatrices;
}
const SkPaintDictionary& getPaints() const {
return fPaints;
}
const SkTDArray<SkPicture* >& getPictureRefs() const {
return fPictureRefs;
}
const SkRegionDictionary& getRegions() const {
return fRegions;
}
void reset();
void setFlags(uint32_t recordFlags) {
fRecordFlags = recordFlags;
}
const SkWriter32& writeStream() const {
return fWriter;
}
void endRecording();
private:
struct BitmapIndexCacheEntry {
uint32_t fGenerationId; // SkPixelRef GenerationID.
size_t fPixelOffset;
uint32_t fWidth;
uint32_t fHeight;
uint32_t fIndex; // Index of corresponding flattened bitmap in fBitmaps.
bool operator < (const BitmapIndexCacheEntry& other) const {
if (this->fGenerationId != other.fGenerationId) {
return this->fGenerationId < other.fGenerationId;
} else if(this->fPixelOffset != other.fPixelOffset) {
return this->fPixelOffset < other.fPixelOffset;
} else if(this->fWidth != other.fWidth) {
return this->fWidth < other.fWidth;
} else {
return this->fHeight < other.fHeight;
}
}
bool operator != (const BitmapIndexCacheEntry& other) const {
return this->fGenerationId != other.fGenerationId
|| this->fPixelOffset != other.fPixelOffset
|| this->fWidth != other.fWidth
|| this->fHeight != other.fHeight;
}
};
void recordRestoreOffsetPlaceholder(SkRegion::Op);
void fillRestoreOffsetPlaceholdersForCurrentStackLevel(
uint32_t restoreOffset);
SkTDArray<uint32_t> fRestoreOffsetStack;
int fFirstSavedLayerIndex;
enum {
kNoSavedLayerIndex = -1
};
void addDraw(DrawType drawType) {
#ifdef SK_DEBUG_TRACE
SkDebugf("add %s\n", DrawTypeToString(drawType));
#endif
fWriter.writeInt(drawType);
}
void addInt(int value) {
fWriter.writeInt(value);
}
void addScalar(SkScalar scalar) {
fWriter.writeScalar(scalar);
}
void addBitmap(const SkBitmap& bitmap);
void addMatrix(const SkMatrix& matrix);
void addMatrixPtr(const SkMatrix* matrix);
void addPaint(const SkPaint& paint);
void addPaintPtr(const SkPaint* paint);
void addPath(const SkPath& path);
void addPicture(SkPicture& picture);
void addPoint(const SkPoint& point);
void addPoints(const SkPoint pts[], int count);
void addRect(const SkRect& rect);
void addRectPtr(const SkRect* rect);
void addIRect(const SkIRect& rect);
void addIRectPtr(const SkIRect* rect);
void addRegion(const SkRegion& region);
void addText(const void* text, size_t byteLength);
int find(const SkBitmap& bitmap);
#ifdef SK_DEBUG_DUMP
public:
void dumpMatrices();
void dumpPaints();
#endif
#ifdef SK_DEBUG_SIZE
public:
size_t size() const;
int bitmaps(size_t* size) const;
int matrices(size_t* size) const;
int paints(size_t* size) const;
int paths(size_t* size) const;
int regions(size_t* size) const;
size_t streamlen() const;
size_t fPointBytes, fRectBytes, fTextBytes;
int fPointWrites, fRectWrites, fTextWrites;
#endif
#ifdef SK_DEBUG_VALIDATE
public:
void validate() const;
private:
void validateBitmaps() const;
void validateMatrices() const;
void validatePaints() const;
void validatePaths() const;
void validateRegions() const;
#else
public:
void validate() const {}
#endif
private:
SkChunkFlatController fHeap;
SkRefCntSet fRCSet;
SkRefCntSet fTFSet;
SkTDArray<BitmapIndexCacheEntry> fBitmapIndexCache;
SkBitmapDictionary fBitmaps;
SkMatrixDictionary fMatrices;
SkPaintDictionary fPaints;
SkRegionDictionary fRegions;
SkPathHeap* fPathHeap; // reference counted
SkWriter32 fWriter;
// we ref each item in these arrays
SkTDArray<SkPicture*> fPictureRefs;
uint32_t fRecordFlags;
int fInitialSaveCount;
friend class SkPicturePlayback;
friend class SkPictureTester; // for unit testing
typedef SkCanvas INHERITED;
};
#endif
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