Revert of Revert "De-virtualize SkCanvas save/restore."

src/utils/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 "SkColorPriv.h"
@@ skipping 512 matching lines @@
 }
 
 void SkDebugCanvas::onPushCull(const SkRect& cullRect) {
     this->addDrawCommand(new SkPushCullCommand(cullRect));
 }
 
 void SkDebugCanvas::onPopCull() {
     this->addDrawCommand(new SkPopCullCommand());
 }
 
-void SkDebugCanvas::restore() {
-    addDrawCommand(new SkRestoreCommand());
+void SkDebugCanvas::onRestore() {
+    this->addDrawCommand(new SkRestoreCommand());
+    this->INHERITED::onRestore();
 }
 
 bool SkDebugCanvas::rotate(SkScalar degrees) {
     addDrawCommand(new SkRotateCommand(degrees));
     return true;
 }
 
-int SkDebugCanvas::save(SaveFlags flags) {
-    addDrawCommand(new SkSaveCommand(flags));
-    return true;
+void SkDebugCanvas::onSave(SaveFlags flags) {
+    this->addDrawCommand(new SkSaveCommand(flags));
+    this->INHERITED::onSave(flags);
 }
 
-int SkDebugCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint,
-        SaveFlags flags) {
-    addDrawCommand(new SkSaveLayerCommand(bounds, paint, flags));
-    return true;
+bool SkDebugCanvas::onSaveLayer(const SkRect* bounds, const SkPaint* paint,
+                                SaveFlags flags) {
+    this->addDrawCommand(new SkSaveLayerCommand(bounds, paint, flags));
+    this->INHERITED::onSaveLayer(bounds, paint, flags);
+    // No need for a full layer.
+    return false;
 }
 
 bool SkDebugCanvas::scale(SkScalar sx, SkScalar sy) {
     addDrawCommand(new SkScaleCommand(sx, sy));
     return true;
 }
 
 void SkDebugCanvas::setMatrix(const SkMatrix& matrix) {
     addDrawCommand(new SkSetMatrixCommand(matrix));
 }
 
 bool SkDebugCanvas::skew(SkScalar sx, SkScalar sy) {
     addDrawCommand(new SkSkewCommand(sx, sy));
     return true;
 }
 
 bool SkDebugCanvas::translate(SkScalar dx, SkScalar dy) {
     addDrawCommand(new SkTranslateCommand(dx, dy));
     return true;
 }
 
 void SkDebugCanvas::toggleCommand(int index, bool toggle) {
     SkASSERT(index < fCommandVector.count());
     fCommandVector[index]->setVisible(toggle);
 }