| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkAndroidSDKCanvas_DEFINED |
| #define SkAndroidSDKCanvas_DEFINED |
| |
| #include "SkBitmap.h" |
| #include "SkCanvas.h" |
| #include "SkPaint.h" |
| #include "SkPath.h" |
| #include "SkRect.h" |
| |
| /** SkDrawFilter is likely to be deprecated; this is a proxy |
| canvas that does the same thing: alter SkPaint fields. |
| |
| onDraw*() functions may have their SkPaint modified, and are then |
| passed on to the same function on proxyTarget. THIS BREAKS CONSTNESS! |
| |
| This still suffers one of the same architectural flaws as SkDrawFilter: |
| TextBlob paints are incomplete when filter is called. |
| */ |
| |
| class SkAndroidSDKCanvas : public SkCanvas { |
| public: |
| SkAndroidSDKCanvas(); |
| void reset(SkCanvas* newTarget); |
| |
| protected: |
| |
| // FILTERING |
| |
| void onDrawPaint(const SkPaint& paint) override; |
| void onDrawPoints(PointMode pMode, size_t count, const SkPoint pts[], |
| const SkPaint& paint) override; |
| void onDrawOval(const SkRect& r, const SkPaint& paint) override; |
| void onDrawRect(const SkRect& r, const SkPaint& paint) override; |
| void onDrawRRect(const SkRRect& r, const SkPaint& paint) override; |
| void onDrawPath(const SkPath& path, const SkPaint& paint) override; |
| void onDrawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, |
| const SkPaint* paint) override; |
| void onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst, |
| const SkPaint* paint, SkCanvas::SrcRectConstraint) override; |
| void onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, |
| const SkRect& dst, const SkPaint* paint) override; |
| void onDrawVertices(VertexMode vMode, int vertexCount, const SkPoint vertices[], |
| const SkPoint texs[], const SkColor colors[], SkXfermode* xMode, |
| const uint16_t indices[], int indexCount, |
| const SkPaint& paint) override; |
| |
| void onDrawDRRect(const SkRRect& outer, const SkRRect& inner, |
| const SkPaint& paint) override; |
| |
| void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, |
| const SkPaint& paint) override; |
| void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], |
| const SkPaint& paint) override; |
| void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], |
| SkScalar constY, const SkPaint& paint) override; |
| void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| const SkMatrix* matrix, const SkPaint& paint) override; |
| void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| const SkPaint& paint) override; |
| |
| void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| const SkPoint texCoords[4], SkXfermode* xmode, |
| const SkPaint& paint) override; |
| |
| void onDrawImage(const SkImage*, SkScalar, SkScalar, const SkPaint*) override; |
| void onDrawImageRect(const SkImage*, const SkRect*, const SkRect&, const SkPaint*, |
| SrcRectConstraint) override; |
| void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*); |
| void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], |
| const SkColor[], int count, SkXfermode::Mode, |
| const SkRect* cull, const SkPaint*) override; |
| void onDrawImageNine(const SkImage*, const SkIRect& center, |
| const SkRect& dst, const SkPaint*) override; |
| |
| // PASS THROUGH |
| |
| void onDrawDrawable(SkDrawable*, const SkMatrix*) override; |
| SkISize getBaseLayerSize() const override; |
| bool getClipBounds(SkRect*) const override; |
| bool getClipDeviceBounds(SkIRect*) const override; |
| bool isClipEmpty() const override; |
| bool isClipRect() const override; |
| SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) override; |
| bool onPeekPixels(SkPixmap*) override; |
| bool onAccessTopLayerPixels(SkPixmap*) override; |
| void willSave() override; |
| SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) override; |
| void willRestore() override; |
| void didRestore() override; |
| void didConcat(const SkMatrix&) override; |
| void didSetMatrix(const SkMatrix&) override; |
| void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) override; |
| void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) override; |
| void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) override; |
| void onClipRegion(const SkRegion&, SkRegion::Op) override; |
| void onDiscard() override; |
| |
| protected: |
| SkCanvas* fProxyTarget; |
| }; |
| |
| #endif // SkAndroidSDKCanvas_DEFINED |
| |