hack

src/core/SkCanvas.cpp

 
 /*
  * Copyright 2008 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkCanvas.h"
@@ skipping 2529 matching lines @@
     if (NULL != device) {
         device->EXPERIMENTAL_optimize(picture);
     }
 }
 
 void SkCanvas::drawPicture(SkPicture& picture) {
     SkBaseDevice* device = this->getTopDevice();
     if (NULL != device) {
         // Canvas has to first give the device the opportunity to render
         // the picture itself.
-        if (device->EXPERIMENTAL_drawPicture(&picture)) {
+        if (device->EXPERIMENTAL_drawPicture(this, &picture)) {
             return; // the device has rendered the entire picture
         }
     }
 
     picture.draw(this);
 }
 
+void SkCanvas::EXPERIMENTAL_purge() {
+    SkBaseDevice* device = this->getTopDevice();
+    if (NULL != device) {
+        device->EXPERIMENTAL_purge();
+    }
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////
 
 SkCanvas::LayerIter::LayerIter(SkCanvas* canvas, bool skipEmptyClips) {
     SK_COMPILE_ASSERT(sizeof(fStorage) >= sizeof(SkDrawIter), fStorage_too_small);
 
     SkASSERT(canvas);
 
     fImpl = new (fStorage) SkDrawIter(canvas, skipEmptyClips);
     fDone = !fImpl->next();
@@ skipping 80 matching lines @@
     if (!bitmap.installPixels(info, pixels, rowBytes)) {
         return NULL;
     }
 
     // should this functionality be moved into allocPixels()?
     if (!bitmap.info().isOpaque()) {
         bitmap.eraseColor(0);
     }
     return SkNEW_ARGS(SkCanvas, (bitmap));
 }