add annotations to debugger

tools/debugger/SkDrawCommand.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SKDRAWCOMMAND_H_
 #define SKDRAWCOMMAND_H_
 
@@ skipping 10 matching lines @@
 
 class SK_API SkDrawCommand {
 public:
     enum OpType {
         kBeginDrawPicture_OpType,
         kClipPath_OpType,
         kClipRegion_OpType,
         kClipRect_OpType,
         kClipRRect_OpType,
         kConcat_OpType,
+        kDrawAnnotation_OpType,
         kDrawBitmap_OpType,
         kDrawBitmapNine_OpType,
         kDrawBitmapRect_OpType,
         kDrawClear_OpType,
         kDrawDRRect_OpType,
         kDrawImage_OpType,
         kDrawImageRect_OpType,
         kDrawOval_OpType,
         kDrawPaint_OpType,
         kDrawPatch_OpType,
@@ skipping 199 matching lines @@
     void execute(SkCanvas* canvas) const override;
     Json::Value toJSON(UrlDataManager& urlDataManager) const override;
     static SkConcatCommand* fromJSON(Json::Value& command, UrlDataManager& urlDataManager);
 
 private:
     SkMatrix fMatrix;
 
     typedef SkDrawCommand INHERITED;
 };
 
+class SkDrawAnnotationCommand : public SkDrawCommand {
+public:
+    SkDrawAnnotationCommand(const SkRect&, const char key[], sk_sp<SkData> value);
+    void execute(SkCanvas* canvas) const override;
+    Json::Value toJSON(UrlDataManager& urlDataManager) const override;
+    static SkDrawAnnotationCommand* fromJSON(Json::Value& command, UrlDataManager& urlDataManager);
+
+private:
+    SkRect          fRect;
+    SkString        fKey;
+    sk_sp<SkData>   fValue;
+
+    typedef SkDrawCommand INHERITED;
+};
+
 class SkDrawBitmapCommand : public SkDrawCommand {
 public:
     SkDrawBitmapCommand(const SkBitmap& bitmap, SkScalar left, SkScalar top,
                         const SkPaint* paint);
     void execute(SkCanvas* canvas) const override;
     bool render(SkCanvas* canvas) const override;
     Json::Value toJSON(UrlDataManager& urlDataManager) const override;
     static SkDrawBitmapCommand* fromJSON(Json::Value& command, UrlDataManager& urlDataManager);
 
 private:
@@ skipping 427 matching lines @@
     static SkSetMatrixCommand* fromJSON(Json::Value& command, UrlDataManager& urlDataManager);
 
 private:
     SkMatrix fUserMatrix;
     SkMatrix fMatrix;
 
     typedef SkDrawCommand INHERITED;
 };
 
 #endif