069a55a7fe
Reason for revert: Pulling out to rename the virtuals. Original issue's description: > Revert of Revert "De-virtualize SkCanvas save/restore." (https://codereview.chromium.org/194923008/) > > Reason for revert: > Re-landing after roll fix. > > Original issue's description: > > Revert "De-virtualize SkCanvas save/restore." > > > > (To allow a roll fix into the tree). > > > > This reverts commit edf702204be42c945254191f9f9cd6585b3d189b. > > > > R=halcanary@google.com > > > > Committed: https://code.google.com/p/skia/source/detail?r=13748 > > TBR=halcanary@google.com,fmalita@chromium.org > NOTREECHECKS=true > NOTRY=true > > Committed: http://code.google.com/p/skia/source/detail?r=13754 R=halcanary@google.com, fmalita@chromium.org TBR=fmalita@chromium.org, halcanary@google.com NOTREECHECKS=true NOTRY=true Author: fmalita@google.com Review URL: https://codereview.chromium.org/197553002 git-svn-id: http://skia.googlecode.com/svn/trunk@13765 2bbb7eff-a529-9590-31e7-b0007b416f81
97 lines
4.6 KiB
C++
97 lines
4.6 KiB
C++
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkProxyCanvas_DEFINED
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#define SkProxyCanvas_DEFINED
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#include "SkCanvas.h"
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/** This class overrides all virtual methods on SkCanvas, and redirects them
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to a "proxy", another SkCanvas instance. It can be the basis for
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intercepting (and possibly modifying) calls to a canvas.
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There must be a proxy installed before the proxycanvas can be used (i.e.
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before its virtual methods can be called).
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*/
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class SK_API SkProxyCanvas : public SkCanvas {
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public:
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SkProxyCanvas() : fProxy(NULL) {}
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SkProxyCanvas(SkCanvas* proxy);
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virtual ~SkProxyCanvas();
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SkCanvas* getProxy() const { return fProxy; }
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void setProxy(SkCanvas* proxy);
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virtual int save(SaveFlags flags = kMatrixClip_SaveFlag) SK_OVERRIDE;
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virtual int saveLayer(const SkRect* bounds, const SkPaint* paint,
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SaveFlags flags = kARGB_ClipLayer_SaveFlag) SK_OVERRIDE;
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virtual void restore() SK_OVERRIDE;
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virtual bool translate(SkScalar dx, SkScalar dy) SK_OVERRIDE;
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virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE;
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virtual bool rotate(SkScalar degrees) SK_OVERRIDE;
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virtual bool skew(SkScalar sx, SkScalar sy) SK_OVERRIDE;
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virtual bool concat(const SkMatrix& matrix) SK_OVERRIDE;
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virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE;
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virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE;
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virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[],
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const SkPaint& paint) SK_OVERRIDE;
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virtual void drawOval(const SkRect&, const SkPaint& paint) SK_OVERRIDE;
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virtual void drawRect(const SkRect&, const SkPaint& paint) SK_OVERRIDE;
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virtual void drawRRect(const SkRRect&, const SkPaint& paint) SK_OVERRIDE;
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virtual void drawPath(const SkPath& path, const SkPaint& paint) SK_OVERRIDE;
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virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top,
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const SkPaint* paint = NULL) SK_OVERRIDE;
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virtual void drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src,
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const SkRect& dst, const SkPaint* paint,
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DrawBitmapRectFlags flags) SK_OVERRIDE;
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virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m,
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const SkPaint* paint = NULL) SK_OVERRIDE;
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virtual void drawSprite(const SkBitmap& bitmap, int left, int top,
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const SkPaint* paint = NULL) SK_OVERRIDE;
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virtual void drawText(const void* text, size_t byteLength, SkScalar x,
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SkScalar y, const SkPaint& paint) SK_OVERRIDE;
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virtual void drawPosText(const void* text, size_t byteLength,
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const SkPoint pos[], const SkPaint& paint) SK_OVERRIDE;
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virtual void drawPosTextH(const void* text, size_t byteLength,
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const SkScalar xpos[], SkScalar constY,
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const SkPaint& paint) SK_OVERRIDE;
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virtual void drawTextOnPath(const void* text, size_t byteLength,
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const SkPath& path, const SkMatrix* matrix,
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const SkPaint& paint) SK_OVERRIDE;
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virtual void drawPicture(SkPicture&) SK_OVERRIDE;
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virtual void drawVertices(VertexMode vmode, int vertexCount,
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const SkPoint vertices[], const SkPoint texs[],
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const SkColor colors[], SkXfermode* xmode,
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const uint16_t indices[], int indexCount,
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const SkPaint& paint) SK_OVERRIDE;
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virtual void drawData(const void* data, size_t length) SK_OVERRIDE;
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virtual void beginCommentGroup(const char* description) SK_OVERRIDE;
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virtual void addComment(const char* kywd, const char* value) SK_OVERRIDE;
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virtual void endCommentGroup() SK_OVERRIDE;
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virtual SkBounder* setBounder(SkBounder* bounder) SK_OVERRIDE;
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virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter) SK_OVERRIDE;
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protected:
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virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK_OVERRIDE;
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virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
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virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
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virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
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virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE;
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private:
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SkCanvas* fProxy;
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typedef SkCanvas INHERITED;
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};
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#endif
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