added SkDebugCanvas::toJSON

tools/debugger/SkDebugCanvas.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkClipStack.h"
 #include "SkDebugCanvas.h"
 #include "SkDrawCommand.h"
 #include "SkDevice.h"
 #include "SkPaintFilterCanvas.h"
 #include "SkOverdrawMode.h"
 
+#define SKDEBUGCANVAS_VERSION            1
+#define SKDEBUGCANVAS_ATTRIBUTE_VERSION  "version"
+#define SKDEBUGCANVAS_ATTRIBUTE_COMMANDS "commands"
+
 class DebugPaintFilterCanvas : public SkPaintFilterCanvas {
 public:
     DebugPaintFilterCanvas(int width,
                            int height,
                            bool overdrawViz,
                            bool overrideFilterQuality,
                            SkFilterQuality quality)
         : INHERITED(width, height)
         , fOverdrawXfermode(overdrawViz ? SkOverdrawMode::Create() : nullptr)
         , fOverrideFilterQuality(overrideFilterQuality)
@@ skipping 282 matching lines @@
 }
 
 const SkTDArray <SkDrawCommand*>& SkDebugCanvas::getDrawCommands() const {
     return fCommandVector;
 }
 
 SkTDArray <SkDrawCommand*>& SkDebugCanvas::getDrawCommands() {
     return fCommandVector;
 }
 
+Json::Value SkDebugCanvas::toJSON(UrlDataManager& urlDataManager) {
+    Json::Value result = Json::Value(Json::objectValue);
+    result[SKDEBUGCANVAS_ATTRIBUTE_VERSION] = Json::Value(SKDEBUGCANVAS_VERSION);
+    Json::Value commands = Json::Value(Json::arrayValue);
+    for (int i = 0; i < this->getSize(); i++) {
+        commands[i] = this->getDrawCommandAt(i)->toJSON();
+    }
+    result[SKDEBUGCANVAS_ATTRIBUTE_COMMANDS] = commands;
+    return result;
+}
+
 void SkDebugCanvas::updatePaintFilterCanvas() {
     if (!fOverdrawViz && !fOverrideFilterQuality) {
         fPaintFilterCanvas.reset(nullptr);
         return;
     }
 
     const SkImageInfo info = this->imageInfo();
     fPaintFilterCanvas.reset(new DebugPaintFilterCanvas(info.width(), info.height(), fOverdrawViz,
                                                         fOverrideFilterQuality, fFilterQuality));
 }
@@ skipping 288 matching lines @@
 }
 
 bool SkDebugCanvas::lastClipStackData(const SkPath& devPath) {
     if (fCalledAddStackData) {
         fClipStackData.appendf("<br>");
         addPathData(devPath, "pathOut");
         return true;
     }
     return false;
 }