1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef InterceptingCanvas_h 32 #define InterceptingCanvas_h 33 34 #include "third_party/skia/include/core/SkCanvas.h" 35 36 namespace blink { 37 38 class InterceptingCanvas : public SkCanvas { 39 public: 40 InterceptingCanvas(SkBitmap bitmap) : SkCanvas(bitmap), m_depthCount(0) { }; 41 InterceptingCanvas(int width, int height) : SkCanvas(width, height), m_depthCount(0) { }; 42 43 virtual void clear(SkColor) OVERRIDE = 0; 44 virtual void drawPaint(const SkPaint&) OVERRIDE = 0; 45 virtual void drawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) OVERRIDE = 0; 46 virtual void drawRect(const SkRect&, const SkPaint&) OVERRIDE = 0; 47 virtual void drawOval(const SkRect&, const SkPaint&) OVERRIDE = 0; 48 virtual void drawRRect(const SkRRect&, const SkPaint&) OVERRIDE = 0; 49 virtual void drawPath(const SkPath&, const SkPaint&) OVERRIDE = 0; 50 virtual void drawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint* = 0) OVERRIDE = 0; 51 virtual void drawBitmapRectToRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*, DrawBitmapRectFlags) OVERRIDE = 0; 52 virtual void drawBitmapMatrix(const SkBitmap&, const SkMatrix&, const SkPaint* = 0) OVERRIDE = 0; 53 virtual void drawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst, const SkPaint*) OVERRIDE = 0; 54 virtual void drawSprite(const SkBitmap&, int left, int top, const SkPaint* = 0) OVERRIDE = 0; 55 virtual void drawVertices(VertexMode vmode, int vertexCount, const SkPoint vertices[], const SkPoint texs[], 56 const SkColor colors[], SkXfermode* xmode, const uint16_t indices[], int indexCount, const SkPaint&) OVERRIDE = 0; 57 virtual void drawData(const void* data, size_t length) OVERRIDE = 0; 58 virtual void beginCommentGroup(const char* description) OVERRIDE = 0; 59 virtual void addComment(const char* keyword, const char* value) OVERRIDE = 0; 60 virtual void endCommentGroup() OVERRIDE = 0; 61 62 virtual void onDrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint&) OVERRIDE = 0; 63 virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, const SkPaint&) OVERRIDE = 0; 64 virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], const SkPaint&) OVERRIDE = 0; 65 virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], SkScalar constY, const SkPaint&) OVERRIDE = 0; 66 virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath&, const SkMatrix*, const SkPaint&) OVERRIDE = 0; 67 virtual void onPushCull(const SkRect& cullRect) OVERRIDE = 0; 68 virtual void onPopCull() OVERRIDE = 0; 69 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) OVERRIDE = 0; 70 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) OVERRIDE = 0; 71 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) OVERRIDE = 0; 72 virtual void onClipRegion(const SkRegion&, SkRegion::Op) OVERRIDE = 0; 73 virtual void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) OVERRIDE = 0; 74 virtual void didSetMatrix(const SkMatrix&) OVERRIDE = 0; 75 virtual void didConcat(const SkMatrix&) OVERRIDE = 0; 76 virtual void willSave() OVERRIDE = 0; 77 SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint*, SaveFlags) OVERRIDE = 0; 78 virtual void willRestore() OVERRIDE = 0; 79 80 protected: 81 unsigned m_depthCount; 82 }; 83 84 } // namespace blink 85 86 #endif // InterceptingCanvas_h 87
