skia2/include/utils/SkNWayCanvas.h
reed@google.com 071eef918d add bool argument to canvas' clipRect and clipPath for antialiasing
(currently ignored)



git-svn-id: http://skia.googlecode.com/svn/trunk@2459 2bbb7eff-a529-9590-31e7-b0007b416f81
2011-10-12 11:52:53 +00:00

85 lines
3.4 KiB
C++

/*
* 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 SkNWayCanvas_DEFINED
#define SkNWayCanvas_DEFINED
#include "SkCanvas.h"
class SkNWayCanvas : public SkCanvas {
public:
SkNWayCanvas();
virtual ~SkNWayCanvas();
void addCanvas(SkCanvas*);
void removeCanvas(SkCanvas*);
void removeAll();
///////////////////////////////////////////////////////////////////////////
// These are forwarded to the N canvases we're referencing
virtual int save(SaveFlags flags = kMatrixClip_SaveFlag);
virtual int saveLayer(const SkRect* bounds, const SkPaint* paint,
SaveFlags flags = kARGB_ClipLayer_SaveFlag);
virtual void restore();
virtual bool translate(SkScalar dx, SkScalar dy);
virtual bool scale(SkScalar sx, SkScalar sy);
virtual bool rotate(SkScalar degrees);
virtual bool skew(SkScalar sx, SkScalar sy);
virtual bool concat(const SkMatrix& matrix);
virtual void setMatrix(const SkMatrix& matrix);
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& deviceRgn,
SkRegion::Op op = SkRegion::kIntersect_Op);
virtual void drawPaint(const SkPaint& paint);
virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[],
const SkPaint& paint);
virtual void drawRect(const SkRect& rect, const SkPaint& paint);
virtual void drawPath(const SkPath& path, const SkPaint& paint);
virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top,
const SkPaint* paint = NULL);
virtual void drawBitmapRect(const SkBitmap& bitmap, const SkIRect* src,
const SkRect& dst, const SkPaint* paint = NULL);
virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m,
const SkPaint* paint = NULL);
virtual void drawSprite(const SkBitmap& bitmap, int left, int top,
const SkPaint* paint = NULL);
virtual void drawText(const void* text, size_t byteLength, SkScalar x,
SkScalar y, const SkPaint& paint);
virtual void drawPosText(const void* text, size_t byteLength,
const SkPoint pos[], const SkPaint& paint);
virtual void drawPosTextH(const void* text, size_t byteLength,
const SkScalar xpos[], SkScalar constY,
const SkPaint& paint);
virtual void drawTextOnPath(const void* text, size_t byteLength,
const SkPath& path, const SkMatrix* matrix,
const SkPaint& paint);
virtual void drawPicture(SkPicture&);
virtual 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);
virtual SkBounder* setBounder(SkBounder* bounder);
virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter);
private:
SkTDArray<SkCanvas*> fList;
class Iter;
typedef SkCanvas INHERITED;
};
#endif