1 /* 2 * Copyright 2011, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef InspectorCanvas_h 27 #define InspectorCanvas_h 28 29 #include "SkBounder.h" 30 #include "SkCanvas.h" 31 32 namespace WebCore { 33 34 class InspectorBounder : public SkBounder { 35 virtual bool onIRect(const SkIRect& rect) 36 { 37 return false; 38 } 39 }; 40 41 class InspectorCanvas : public SkCanvas { 42 public: 43 InspectorCanvas(SkBounder* bounder, SkPicture* picture) 44 : m_picture(picture) 45 , m_hasText(false) 46 , m_hasContent(false) 47 { 48 setBounder(bounder); 49 } 50 51 bool hasText() {return m_hasText;} 52 bool hasContent() {return m_hasContent;} 53 54 virtual bool clipPath(const SkPath&, SkRegion::Op) { 55 return true; 56 } 57 58 virtual void commonDrawBitmap(const SkBitmap& bitmap, 59 const SkIRect* rect, 60 const SkMatrix&, 61 const SkPaint&); 62 63 virtual void drawPaint(const SkPaint& paint); 64 virtual void drawPath(const SkPath&, const SkPaint& paint); 65 virtual void drawPoints(PointMode, size_t, 66 const SkPoint [], const SkPaint& paint); 67 68 virtual void drawRect(const SkRect& , const SkPaint& paint); 69 virtual void drawSprite(const SkBitmap& , int , int , 70 const SkPaint* paint = NULL); 71 72 virtual void drawText(const void*, size_t byteLength, SkScalar, 73 SkScalar, const SkPaint& paint); 74 virtual void drawPosText(const void* , size_t byteLength, 75 const SkPoint [], const SkPaint& paint); 76 virtual void drawPosTextH(const void*, size_t byteLength, 77 const SkScalar [], SkScalar, 78 const SkPaint& paint); 79 virtual void drawTextOnPath(const void*, size_t byteLength, 80 const SkPath&, const SkMatrix*, 81 const SkPaint& paint); 82 83 private: 84 85 // vector instructions exist, must repaint at any scale 86 void setHasText(); 87 88 // painting is required 89 void setHasContent(); 90 91 // rect covering entire content, don't need to use a texture if nothing else 92 // is painted 93 void setIsBackground(const SkPaint& paint); 94 95 SkPicture* m_picture; 96 bool m_hasText; 97 bool m_hasContent; 98 }; 99 100 } // namespace WebCore 101 102 #endif // InspectorCanvas_h 103
