Support comment groups in SkRecord.

src/core/SkRecorder.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkRecorder.h"
 #include "SkPatchUtils.h"
 #include "SkPicture.h"
@@ skipping 64 matching lines @@
 template <>
 char* SkRecorder::copy(const char src[], size_t count) {
     if (NULL == src) {
         return NULL;
     }
     char* dst = fRecord->alloc<char>(count);
     memcpy(dst, src, count);
     return dst;
 }
 
+// As above, assuming and copying a terminating \0.
+template <>
+char* SkRecorder::copy(const char* src) {
+    return this->copy(src, strlen(src)+1);
+}
+
+
 void SkRecorder::clear(SkColor color) {
     APPEND(Clear, color);
 }
 
 void SkRecorder::drawPaint(const SkPaint& paint) {
     APPEND(DrawPaint, delay_copy(paint));
 }
 
 void SkRecorder::drawPoints(PointMode mode,
                             size_t count,
@@ skipping 174 matching lines @@
 
 void SkRecorder::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
     INHERITED(updateClipConservativelyUsingBounds, path.getBounds(), op, path.isInverseFillType());
     APPEND(ClipPath, this->devBounds(), delay_copy(path), op, edgeStyle == kSoft_ClipEdgeStyle);
 }
 
 void SkRecorder::onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) {
     INHERITED(onClipRegion, deviceRgn, op);
     APPEND(ClipRegion, this->devBounds(), delay_copy(deviceRgn), op);
 }
+
+void SkRecorder::beginCommentGroup(const char* description) {
+    APPEND(BeginCommentGroup, this->copy(description));
+}
+
+void SkRecorder::addComment(const char* key, const char* value) {
+    APPEND(AddComment, this->copy(key), this->copy(value));
+}
+
+void SkRecorder::endCommentGroup() {
+    APPEND(EndCommentGroup);
+}