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| 1 | |
| 2 /* | |
| 3 * Copyright 2012 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 | |
| 9 | |
| 10 #ifndef SKDEBUGCANVAS_H_ | |
| 11 #define SKDEBUGCANVAS_H_ | |
| 12 | |
| 13 #include "SkCanvas.h" | |
| 14 #include "SkDrawCommand.h" | |
| 15 #include "SkPath.h" | |
| 16 #include "SkPathOps.h" | |
| 17 #include "SkPicture.h" | |
| 18 #include "SkString.h" | |
| 19 #include "SkTArray.h" | |
| 20 | |
| 21 class SkNWayCanvas; | |
| 22 | |
| 23 class SK_API SkDebugCanvas : public SkCanvas { | |
| 24 public: | |
| 25 SkDebugCanvas(int width, int height); | |
| 26 virtual ~SkDebugCanvas(); | |
| 27 | |
| 28 void toggleFilter(bool toggle) { fFilter = toggle; } | |
| 29 | |
| 30 void setMegaVizMode(bool megaVizMode) { fMegaVizMode = megaVizMode; } | |
| 31 bool getMegaVizMode() const { return fMegaVizMode; } | |
| 32 | |
| 33 /** | |
| 34 * Enable or disable overdraw visualization | |
| 35 */ | |
| 36 void setOverdrawViz(bool overdrawViz); | |
| 37 bool getOverdrawViz() const { return fOverdrawViz; } | |
| 38 | |
| 39 bool getAllowSimplifyClip() const { return fAllowSimplifyClip; } | |
| 40 | |
| 41 void setPicture(SkPicture* picture) { fPicture = picture; } | |
| 42 | |
| 43 /** | |
| 44 * Enable or disable texure filtering override | |
| 45 */ | |
| 46 void overrideTexFiltering(bool overrideTexFiltering, SkFilterQuality); | |
| 47 | |
| 48 /** | |
| 49 Executes all draw calls to the canvas. | |
| 50 @param canvas The canvas being drawn to | |
| 51 */ | |
| 52 void draw(SkCanvas* canvas); | |
| 53 | |
| 54 /** | |
| 55 Executes the draw calls up to the specified index. | |
| 56 @param canvas The canvas being drawn to | |
| 57 @param index The index of the final command being executed | |
| 58 */ | |
| 59 void drawTo(SkCanvas* canvas, int index); | |
| 60 | |
| 61 /** | |
| 62 Returns the most recently calculated transformation matrix | |
| 63 */ | |
| 64 const SkMatrix& getCurrentMatrix() { | |
| 65 return fMatrix; | |
| 66 } | |
| 67 | |
| 68 /** | |
| 69 Returns the most recently calculated clip | |
| 70 */ | |
| 71 const SkIRect& getCurrentClip() { | |
| 72 return fClip; | |
| 73 } | |
| 74 | |
| 75 /** | |
| 76 Returns the index of the last draw command to write to the pixel at (x,y
) | |
| 77 */ | |
| 78 int getCommandAtPoint(int x, int y, int index); | |
| 79 | |
| 80 /** | |
| 81 Removes the command at the specified index | |
| 82 @param index The index of the command to delete | |
| 83 */ | |
| 84 void deleteDrawCommandAt(int index); | |
| 85 | |
| 86 /** | |
| 87 Returns the draw command at the given index. | |
| 88 @param index The index of the command | |
| 89 */ | |
| 90 SkDrawCommand* getDrawCommandAt(int index); | |
| 91 | |
| 92 /** | |
| 93 Sets the draw command for a given index. | |
| 94 @param index The index to overwrite | |
| 95 @param command The new command | |
| 96 */ | |
| 97 void setDrawCommandAt(int index, SkDrawCommand* command); | |
| 98 | |
| 99 /** | |
| 100 Returns information about the command at the given index. | |
| 101 @param index The index of the command | |
| 102 */ | |
| 103 const SkTDArray<SkString*>* getCommandInfo(int index) const; | |
| 104 | |
| 105 /** | |
| 106 Returns the visibility of the command at the given index. | |
| 107 @param index The index of the command | |
| 108 */ | |
| 109 bool getDrawCommandVisibilityAt(int index); | |
| 110 | |
| 111 /** | |
| 112 Returns the vector of draw commands | |
| 113 */ | |
| 114 SK_ATTR_DEPRECATED("please use getDrawCommandAt and getSize instead") | |
| 115 const SkTDArray<SkDrawCommand*>& getDrawCommands() const; | |
| 116 | |
| 117 /** | |
| 118 Returns the vector of draw commands. Do not use this entry | |
| 119 point - it is going away! | |
| 120 */ | |
| 121 SkTDArray<SkDrawCommand*>& getDrawCommands(); | |
| 122 | |
| 123 /** | |
| 124 Returns length of draw command vector. | |
| 125 */ | |
| 126 int getSize() const { | |
| 127 return fCommandVector.count(); | |
| 128 } | |
| 129 | |
| 130 /** | |
| 131 Toggles the visibility / execution of the draw command at index i with | |
| 132 the value of toggle. | |
| 133 */ | |
| 134 void toggleCommand(int index, bool toggle); | |
| 135 | |
| 136 void setUserMatrix(SkMatrix matrix) { | |
| 137 fUserMatrix = matrix; | |
| 138 } | |
| 139 | |
| 140 SkString clipStackData() const { return fClipStackData; } | |
| 141 | |
| 142 //////////////////////////////////////////////////////////////////////////////// | |
| 143 // Inherited from SkCanvas | |
| 144 //////////////////////////////////////////////////////////////////////////////// | |
| 145 | |
| 146 static const int kVizImageHeight = 256; | |
| 147 static const int kVizImageWidth = 256; | |
| 148 | |
| 149 bool isClipEmpty() const override { return false; } | |
| 150 bool isClipRect() const override { return true; } | |
| 151 bool getClipBounds(SkRect* bounds) const override { | |
| 152 if (bounds) { | |
| 153 bounds->setXYWH(0, 0, | |
| 154 SkIntToScalar(this->imageInfo().width()), | |
| 155 SkIntToScalar(this->imageInfo().height())); | |
| 156 } | |
| 157 return true; | |
| 158 } | |
| 159 bool getClipDeviceBounds(SkIRect* bounds) const override { | |
| 160 if (bounds) { | |
| 161 bounds->setLargest(); | |
| 162 } | |
| 163 return true; | |
| 164 } | |
| 165 | |
| 166 protected: | |
| 167 void willSave() override; | |
| 168 SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) override; | |
| 169 void willRestore() override; | |
| 170 | |
| 171 void didConcat(const SkMatrix&) override; | |
| 172 void didSetMatrix(const SkMatrix&) override; | |
| 173 | |
| 174 void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override; | |
| 175 void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, | |
| 176 const SkPaint&) override; | |
| 177 void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], | |
| 178 const SkPaint&) override; | |
| 179 void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos
[], | |
| 180 SkScalar constY, const SkPaint&) override; | |
| 181 void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& pat
h, | |
| 182 const SkMatrix* matrix, const SkPaint&) override; | |
| 183 void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, | |
| 184 const SkPaint& paint) override; | |
| 185 | |
| 186 void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], | |
| 187 const SkPoint texCoords[4], SkXfermode* xmode, const SkPain
t& paint) override; | |
| 188 void onDrawPaint(const SkPaint&) override; | |
| 189 | |
| 190 void onDrawRect(const SkRect&, const SkPaint&) override; | |
| 191 void onDrawOval(const SkRect&, const SkPaint&) override; | |
| 192 void onDrawRRect(const SkRRect&, const SkPaint&) override; | |
| 193 void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPain
t&) override; | |
| 194 void onDrawVertices(VertexMode vmode, int vertexCount, | |
| 195 const SkPoint vertices[], const SkPoint texs[], | |
| 196 const SkColor colors[], SkXfermode* xmode, | |
| 197 const uint16_t indices[], int indexCount, | |
| 198 const SkPaint&) override; | |
| 199 void onDrawPath(const SkPath&, const SkPaint&) override; | |
| 200 void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPain
t*) override; | |
| 201 void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst,
const SkPaint*, | |
| 202 SrcRectConstraint) override; | |
| 203 void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*
) override; | |
| 204 void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst, | |
| 205 const SkPaint*, SrcRectConstraint) override; | |
| 206 void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect&
dst, | |
| 207 const SkPaint*) override; | |
| 208 void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) override; | |
| 209 void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) override; | |
| 210 void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) override; | |
| 211 void onClipRegion(const SkRegion& region, SkRegion::Op) override; | |
| 212 | |
| 213 void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) overri
de; | |
| 214 | |
| 215 void markActiveCommands(int index); | |
| 216 | |
| 217 private: | |
| 218 SkTDArray<SkDrawCommand*> fCommandVector; | |
| 219 SkPicture* fPicture; | |
| 220 bool fFilter; | |
| 221 bool fMegaVizMode; | |
| 222 SkMatrix fUserMatrix; | |
| 223 SkMatrix fMatrix; | |
| 224 SkIRect fClip; | |
| 225 | |
| 226 SkString fClipStackData; | |
| 227 bool fCalledAddStackData; | |
| 228 SkPath fSaveDevPath; | |
| 229 | |
| 230 bool fOverdrawViz; | |
| 231 bool fOverrideFilterQuality; | |
| 232 SkFilterQuality fFilterQuality; | |
| 233 | |
| 234 SkAutoTUnref<SkNWayCanvas> fPaintFilterCanvas; | |
| 235 | |
| 236 /** | |
| 237 The active saveLayer commands at a given point in the renderering. | |
| 238 Only used when "mega" visualization is enabled. | |
| 239 */ | |
| 240 SkTDArray<SkDrawCommand*> fActiveLayers; | |
| 241 | |
| 242 /** | |
| 243 Adds the command to the classes vector of commands. | |
| 244 @param command The draw command for execution | |
| 245 */ | |
| 246 void addDrawCommand(SkDrawCommand* command); | |
| 247 | |
| 248 /** | |
| 249 Applies any panning and zooming the user has specified before | |
| 250 drawing anything else into the canvas. | |
| 251 */ | |
| 252 void applyUserTransform(SkCanvas* canvas); | |
| 253 | |
| 254 void resetClipStackData() { fClipStackData.reset(); fCalledAddStackData = fa
lse; } | |
| 255 | |
| 256 void addClipStackData(const SkPath& devPath, const SkPath& operand, SkRegion
::Op elementOp); | |
| 257 void addPathData(const SkPath& path, const char* pathName); | |
| 258 bool lastClipStackData(const SkPath& devPath); | |
| 259 void outputConicPoints(const SkPoint* pts, SkScalar weight); | |
| 260 void outputPoints(const SkPoint* pts, int count); | |
| 261 void outputPointsCommon(const SkPoint* pts, int count); | |
| 262 void outputScalar(SkScalar num); | |
| 263 | |
| 264 void updatePaintFilterCanvas(); | |
| 265 | |
| 266 typedef SkCanvas INHERITED; | |
| 267 }; | |
| 268 | |
| 269 #endif | |
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Chromium Code Reviews
Issue 1678893003:
moved debugger support files from src/utils/debugger to tools/debugger (Closed)
Base URL: https://skia.googlesource.com/skia.git@master