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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkRecorder_DEFINED
#define SkRecorder_DEFINED
#include "SkCanvas.h"
#include "SkRecord.h"
#include "SkRecords.h"
// SkRecorder provides an SkCanvas interface for recording into an SkRecord.
class SkRecorder : public SkCanvas {
public:
// SkRecorder can work in two modes:
// write-only: only a core subset of SkCanvas operations (save/restore, clip, transform, draw)
// are supported, and all of the readback methods on SkCanvas will probably fail or lie.
//
// read-write: all methods should behave with similar semantics to SkCanvas.
//
// Write-only averages 10-20% faster, but you can't sensibly inspect the canvas while recording.
enum Mode { kWriteOnly_Mode, kReadWrite_Mode };
// Does not take ownership of the SkRecord.
SkRecorder(Mode mode, SkRecord*, int width, int height);
void clear(SkColor) SK_OVERRIDE;
void drawPaint(const SkPaint& paint) SK_OVERRIDE;
void drawPoints(PointMode mode,
size_t count,
const SkPoint pts[],
const SkPaint& paint) SK_OVERRIDE;
void drawRect(const SkRect& rect, const SkPaint& paint) SK_OVERRIDE;
void drawOval(const SkRect& oval, const SkPaint&) SK_OVERRIDE;
void drawRRect(const SkRRect& rrect, const SkPaint& paint) SK_OVERRIDE;
void drawPath(const SkPath& path, const SkPaint& paint) SK_OVERRIDE;
void drawBitmap(const SkBitmap& bitmap,
SkScalar left,
SkScalar top,
const SkPaint* paint = NULL) SK_OVERRIDE;
void drawBitmapRectToRect(const SkBitmap& bitmap,
const SkRect* src,
const SkRect& dst,
const SkPaint* paint = NULL,
DrawBitmapRectFlags flags = kNone_DrawBitmapRectFlag) SK_OVERRIDE;
void drawBitmapMatrix(const SkBitmap& bitmap,
const SkMatrix& m,
const SkPaint* paint = NULL) SK_OVERRIDE;
void drawBitmapNine(const SkBitmap& bitmap,
const SkIRect& center,
const SkRect& dst,
const SkPaint* paint = NULL) SK_OVERRIDE;
void drawSprite(const SkBitmap& bitmap,
int left,
int top,
const SkPaint* paint = NULL) SK_OVERRIDE;
void drawPicture(SkPicture& picture) SK_OVERRIDE;
void drawVertices(VertexMode vmode,
int vertexCount,
const SkPoint vertices[],
const SkPoint texs[],
const SkColor colors[],
SkXfermode* xmode,
const uint16_t indices[],
int indexCount,
const SkPaint& paint) SK_OVERRIDE;
void willSave(SkCanvas::SaveFlags) SK_OVERRIDE;
SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SkCanvas::SaveFlags) SK_OVERRIDE;
void willRestore() SK_OVERRIDE;
void didConcat(const SkMatrix&) SK_OVERRIDE;
void didSetMatrix(const SkMatrix&) SK_OVERRIDE;
void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK_OVERRIDE;
void onDrawText(const void* text,
size_t byteLength,
SkScalar x,
SkScalar y,
const SkPaint& paint) SK_OVERRIDE;
void onDrawPosText(const void* text,
size_t byteLength,
const SkPoint pos[],
const SkPaint& paint) SK_OVERRIDE;
void onDrawPosTextH(const void* text,
size_t byteLength,
const SkScalar xpos[],
SkScalar constY,
const SkPaint& paint) SK_OVERRIDE;
void onDrawTextOnPath(const void* text,
size_t byteLength,
const SkPath& path,
const SkMatrix* matrix,
const SkPaint& paint) SK_OVERRIDE;
void onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) SK_OVERRIDE;
void onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) SK_OVERRIDE;
void onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) SK_OVERRIDE;
void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) SK_OVERRIDE;
void onPushCull(const SkRect& cullRect) SK_OVERRIDE;
void onPopCull() SK_OVERRIDE;
private:
template <typename T>
T* copy(const T*);
template <typename T>
T* copy(const T[], unsigned count);
const Mode fMode;
SkRecord* fRecord;
};
#endif//SkRecorder_DEFINED
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