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 { onIRect(const SkIRect & rect)35 virtual bool onIRect(const SkIRect& rect) 36 { 37 return false; 38 } 39 }; 40 41 class InspectorCanvas : public SkCanvas { 42 public: InspectorCanvas(SkBounder * bounder,SkPicture * picture,SkBitmap & bitmap)43 InspectorCanvas(SkBounder* bounder, SkPicture* picture, SkBitmap& bitmap) 44 : SkCanvas(bitmap) 45 , m_picture(picture) 46 , m_hasText(false) 47 , m_hasContent(false) 48 { 49 setBounder(bounder); 50 } 51 hasText()52 bool hasText() {return m_hasText;} hasContent()53 bool hasContent() {return m_hasContent;} 54 clipPath(const SkPath &,SkRegion::Op)55 virtual bool clipPath(const SkPath&, SkRegion::Op) { 56 return true; 57 } 58 59 virtual void commonDrawBitmap(const SkBitmap& bitmap, 60 const SkIRect* rect, 61 const SkMatrix&, 62 const SkPaint&); 63 virtual void drawBitmapRectToRect(const SkBitmap& bitmap, 64 const SkRect* src, 65 const SkRect& dst, 66 const SkPaint* paint); 67 68 virtual void drawPaint(const SkPaint& paint); 69 virtual void drawPath(const SkPath&, const SkPaint& paint); 70 virtual void drawPoints(PointMode, size_t, 71 const SkPoint [], const SkPaint& paint); 72 73 virtual void drawRect(const SkRect& , const SkPaint& paint); 74 virtual void drawSprite(const SkBitmap& , int , int , 75 const SkPaint* paint = NULL); 76 77 virtual void drawText(const void*, size_t byteLength, SkScalar, 78 SkScalar, const SkPaint& paint); 79 virtual void drawPosText(const void* , size_t byteLength, 80 const SkPoint [], const SkPaint& paint); 81 virtual void drawPosTextH(const void*, size_t byteLength, 82 const SkScalar [], SkScalar, 83 const SkPaint& paint); 84 virtual void drawTextOnPath(const void*, size_t byteLength, 85 const SkPath&, const SkMatrix*, 86 const SkPaint& paint); 87 88 private: 89 90 // vector instructions exist, must repaint at any scale 91 void setHasText(); 92 93 // painting is required 94 void setHasContent(); 95 96 // rect covering entire content, don't need to use a texture if nothing else 97 // is painted 98 void setIsBackground(const SkPaint& paint); 99 100 SkPicture* m_picture; 101 bool m_hasText; 102 bool m_hasContent; 103 }; 104 105 } // namespace WebCore 106 107 #endif // InspectorCanvas_h 108