Add SkColor4f serialization

tools/debugger/SkDrawCommand.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 "SkDrawCommand.h"
 
 #include "SkBlurMaskFilter.h"
@@ skipping 410 matching lines @@
 
 Json::Value SkDrawCommand::MakeJsonColor(const SkColor color) {
     Json::Value result(Json::arrayValue);
     result.append(Json::Value(SkColorGetA(color)));
     result.append(Json::Value(SkColorGetR(color)));
     result.append(Json::Value(SkColorGetG(color)));
     result.append(Json::Value(SkColorGetB(color)));
     return result;
 }
 
+Json::Value SkDrawCommand::MakeJsonColor4f(const SkColor4f& color) {
+    Json::Value result(Json::arrayValue);
+    result.append(Json::Value(color.fA));
+    result.append(Json::Value(color.fR));
+    result.append(Json::Value(color.fG));
+    result.append(Json::Value(color.fB));
+    return result;
+}
+
 Json::Value SkDrawCommand::MakeJsonPoint(const SkPoint& point) {
     Json::Value result(Json::arrayValue);
     result.append(Json::Value(point.x()));
     result.append(Json::Value(point.y()));
     return result;
 }
 
 Json::Value SkDrawCommand::MakeJsonPoint(SkScalar x, SkScalar y) {
     Json::Value result(Json::arrayValue);
     result.append(Json::Value(x));
@@ skipping 3106 matching lines @@
 SkTranslateZCommand* SkTranslateZCommand::fromJSON(Json::Value& command,
                                        UrlDataManager& urlDataManager) {
     SkScalar z;
 #ifdef SK_EXPERIMENTAL_SHADOWING
     extract_json_scalar(command[SKDEBUGCANVAS_ATTRIBUTE_DRAWDEPTHTRANS], &z);
 #else
     z = 0;
 #endif
     return new SkTranslateZCommand(z);
 }