First pass at Comment API

src/pipe/SkGPipeWrite.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkAnnotation.h"
 #include "SkBitmapHeap.h"
@@ skipping 237 matching lines @@
     virtual void drawTextOnPath(const void* text, size_t byteLength,
                             const SkPath& path, const SkMatrix* matrix,
                                 const SkPaint&) SK_OVERRIDE;
     virtual void drawPicture(SkPicture& picture) SK_OVERRIDE;
     virtual void drawVertices(VertexMode, int vertexCount,
                           const SkPoint vertices[], const SkPoint texs[],
                           const SkColor colors[], SkXfermode*,
                           const uint16_t indices[], int indexCount,
                               const SkPaint&) SK_OVERRIDE;
     virtual void drawData(const void*, size_t) SK_OVERRIDE;
+    virtual void beginCommentGroup(const char* description) SK_OVERRIDE;
+    virtual void addComment(const char* kywd, const char* value) SK_OVERRIDE;
+    virtual void endCommentGroup() SK_OVERRIDE;
 
     /**
      * Flatten an SkBitmap to send to the reader, where it will be referenced
      * according to slot.
      */
     bool shuttleBitmap(const SkBitmap&, int32_t slot);
 private:
     enum {
         kNoSaveLayer = -1,
     };
@@ skipping 695 matching lines @@
         if (this->needOpBytes(4 + SkAlign4(size))) {
             this->writeOp(kDrawData_DrawOp, 0, data);
             if (0 == data) {
                 fWriter.write32(size);
             }
             fWriter.writePad(ptr, size);
         }
     }
 }
 
+void SkGPipeCanvas::beginCommentGroup(const char* description) {
+    // ignore for now
+}
+
+void SkGPipeCanvas::addComment(const char* kywd, const char* value) {
+    // ignore for now
+}
+
+void SkGPipeCanvas::endCommentGroup() {
+    // ignore for now
+}
+
 void SkGPipeCanvas::flushRecording(bool detachCurrentBlock) {
     doNotify();
     if (detachCurrentBlock) {
         // force a new block to be requested for the next recorded command
         fBlockSize = 0;
     }
 }
 
 size_t SkGPipeCanvas::freeMemoryIfPossible(size_t bytesToFree) {
     return (NULL == fBitmapHeap) ? 0 : fBitmapHeap->freeMemoryIfPossible(bytesToFree);
@@ skipping 188 matching lines @@
     fCanvas->ref();
 }
 
 BitmapShuttle::~BitmapShuttle() {
     fCanvas->unref();
 }
 
 bool BitmapShuttle::insert(const SkBitmap& bitmap, int32_t slot) {
     return fCanvas->shuttleBitmap(bitmap, slot);
 }