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comparison: gfx/skia/trunk/include/utils/SkDumpCanvas.h
gfx/skia/trunk/include/utils/SkDumpCanvas.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:b372063b7060 |
|---|---|
| 1 | |
| 2 /* | |
| 3 * Copyright 2011 Google Inc. | |
| 4 * | |
| 5 * Use of this source code is governed by a BSD-style license that can be | |
| 6 * found in the LICENSE file. | |
| 7 */ | |
| 8 #ifndef SkDumpCanvas_DEFINED | |
| 9 #define SkDumpCanvas_DEFINED | |
| 10 | |
| 11 #include "SkCanvas.h" | |
| 12 | |
| 13 #ifdef SK_DEVELOPER | |
| 14 | |
| 15 /** This class overrides all the draw methods on SkCanvas, and formats them | |
| 16 as text, and then sends that to a Dumper helper object. | |
| 17 | |
| 18 Typical use might be to dump a display list to a log file to see what is | |
| 19 being drawn. | |
| 20 */ | |
| 21 class SkDumpCanvas : public SkCanvas { | |
| 22 public: | |
| 23 class Dumper; | |
| 24 | |
| 25 explicit SkDumpCanvas(Dumper* = 0); | |
| 26 virtual ~SkDumpCanvas(); | |
| 27 | |
| 28 enum Verb { | |
| 29 kNULL_Verb, | |
| 30 | |
| 31 kSave_Verb, | |
| 32 kRestore_Verb, | |
| 33 | |
| 34 kMatrix_Verb, | |
| 35 | |
| 36 kClip_Verb, | |
| 37 | |
| 38 kDrawPaint_Verb, | |
| 39 kDrawPoints_Verb, | |
| 40 kDrawOval_Verb, | |
| 41 kDrawRect_Verb, | |
| 42 kDrawRRect_Verb, | |
| 43 kDrawDRRect_Verb, | |
| 44 kDrawPath_Verb, | |
| 45 kDrawBitmap_Verb, | |
| 46 kDrawText_Verb, | |
| 47 kDrawPicture_Verb, | |
| 48 kDrawVertices_Verb, | |
| 49 kDrawData_Verb, | |
| 50 | |
| 51 kBeginCommentGroup_Verb, | |
| 52 kAddComment_Verb, | |
| 53 kEndCommentGroup_Verb, | |
| 54 | |
| 55 kCull_Verb | |
| 56 }; | |
| 57 | |
| 58 /** Subclasses of this are installed on the DumpCanvas, and then called for | |
| 59 each drawing command. | |
| 60 */ | |
| 61 class Dumper : public SkRefCnt { | |
| 62 public: | |
| 63 SK_DECLARE_INST_COUNT(Dumper) | |
| 64 | |
| 65 virtual void dump(SkDumpCanvas*, SkDumpCanvas::Verb, const char str[], | |
| 66 const SkPaint*) = 0; | |
| 67 | |
| 68 private: | |
| 69 typedef SkRefCnt INHERITED; | |
| 70 }; | |
| 71 | |
| 72 Dumper* getDumper() const { return fDumper; } | |
| 73 void setDumper(Dumper*); | |
| 74 | |
| 75 int getNestLevel() const { return fNestLevel; } | |
| 76 | |
| 77 virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE; | |
| 78 virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[], | |
| 79 const SkPaint& paint) SK_OVERRIDE; | |
| 80 virtual void drawOval(const SkRect&, const SkPaint& paint) SK_OVERRIDE; | |
| 81 virtual void drawRect(const SkRect&, const SkPaint& paint) SK_OVERRIDE; | |
| 82 virtual void drawRRect(const SkRRect&, const SkPaint& paint) SK_OVERRIDE; | |
| 83 virtual void drawPath(const SkPath& path, const SkPaint& paint) SK_OVERRIDE; | |
| 84 virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, | |
| 85 const SkPaint* paint) SK_OVERRIDE; | |
| 86 virtual void drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, | |
| 87 const SkRect& dst, const SkPaint* paint, | |
| 88 DrawBitmapRectFlags flags) SK_OVERRIDE; | |
| 89 virtual void drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m, | |
| 90 const SkPaint* paint) SK_OVERRIDE; | |
| 91 virtual void drawSprite(const SkBitmap& bitmap, int left, int top, | |
| 92 const SkPaint* paint) SK_OVERRIDE; | |
| 93 virtual void drawText(const void* text, size_t byteLength, SkScalar x, | |
| 94 SkScalar y, const SkPaint& paint) SK_OVERRIDE; | |
| 95 virtual void drawPosText(const void* text, size_t byteLength, | |
| 96 const SkPoint pos[], const SkPaint& paint) SK_OVERRIDE; | |
| 97 virtual void drawPosTextH(const void* text, size_t byteLength, | |
| 98 const SkScalar xpos[], SkScalar constY, | |
| 99 const SkPaint& paint) SK_OVERRIDE; | |
| 100 virtual void drawTextOnPath(const void* text, size_t byteLength, | |
| 101 const SkPath& path, const SkMatrix* matrix, | |
| 102 const SkPaint& paint) SK_OVERRIDE; | |
| 103 virtual void drawPicture(SkPicture&) SK_OVERRIDE; | |
| 104 virtual void drawVertices(VertexMode vmode, int vertexCount, | |
| 105 const SkPoint vertices[], const SkPoint texs[], | |
| 106 const SkColor colors[], SkXfermode* xmode, | |
| 107 const uint16_t indices[], int indexCount, | |
| 108 const SkPaint& paint) SK_OVERRIDE; | |
| 109 virtual void drawData(const void*, size_t) SK_OVERRIDE; | |
| 110 virtual void beginCommentGroup(const char* description) SK_OVERRIDE; | |
| 111 virtual void addComment(const char* kywd, const char* value) SK_OVERRIDE; | |
| 112 virtual void endCommentGroup() SK_OVERRIDE; | |
| 113 | |
| 114 protected: | |
| 115 virtual void willSave(SaveFlags) SK_OVERRIDE; | |
| 116 virtual SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) SK_OVERRIDE; | |
| 117 virtual void willRestore() SK_OVERRIDE; | |
| 118 | |
| 119 virtual void didTranslate(SkScalar, SkScalar) SK_OVERRIDE; | |
| 120 virtual void didScale(SkScalar, SkScalar) SK_OVERRIDE; | |
| 121 virtual void didRotate(SkScalar) SK_OVERRIDE; | |
| 122 virtual void didSkew(SkScalar, SkScalar) SK_OVERRIDE; | |
| 123 virtual void didConcat(const SkMatrix&) SK_OVERRIDE; | |
| 124 virtual void didSetMatrix(const SkMatrix&) SK_OVERRIDE; | |
| 125 | |
| 126 virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK_OVERRIDE; | |
| 127 virtual void onPushCull(const SkRect& cullRect) SK_OVERRIDE; | |
| 128 virtual void onPopCull() SK_OVERRIDE; | |
| 129 | |
| 130 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; | |
| 131 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; | |
| 132 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; | |
| 133 virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE; | |
| 134 | |
| 135 static const char* EdgeStyleToAAString(ClipEdgeStyle edgeStyle); | |
| 136 | |
| 137 private: | |
| 138 Dumper* fDumper; | |
| 139 int fNestLevel; // for nesting recursive elements like pictures | |
| 140 | |
| 141 void dump(Verb, const SkPaint*, const char format[], ...); | |
| 142 | |
| 143 typedef SkCanvas INHERITED; | |
| 144 }; | |
| 145 | |
| 146 /** Formats the draw commands, and send them to a function-pointer provided | |
| 147 by the caller. | |
| 148 */ | |
| 149 class SkFormatDumper : public SkDumpCanvas::Dumper { | |
| 150 public: | |
| 151 SkFormatDumper(void (*)(const char text[], void* refcon), void* refcon); | |
| 152 | |
| 153 // override from baseclass that does the formatting, and in turn calls | |
| 154 // the function pointer that was passed to the constructor | |
| 155 virtual void dump(SkDumpCanvas*, SkDumpCanvas::Verb, const char str[], | |
| 156 const SkPaint*) SK_OVERRIDE; | |
| 157 | |
| 158 private: | |
| 159 void (*fProc)(const char*, void*); | |
| 160 void* fRefcon; | |
| 161 | |
| 162 typedef SkDumpCanvas::Dumper INHERITED; | |
| 163 }; | |
| 164 | |
| 165 /** Subclass of Dumper that dumps the drawing command to SkDebugf | |
| 166 */ | |
| 167 class SkDebugfDumper : public SkFormatDumper { | |
| 168 public: | |
| 169 SkDebugfDumper(); | |
| 170 | |
| 171 private: | |
| 172 typedef SkFormatDumper INHERITED; | |
| 173 }; | |
| 174 | |
| 175 #endif | |
| 176 | |
| 177 #endif |
