Revert of Change device creation to see the (optional) layer-paint

include/core/SkBitmapDevice.h

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkBitmapDevice_DEFINED
 #define SkBitmapDevice_DEFINED
@@ skipping 80 matching lines @@
     virtual void drawText(const SkDraw&, const void* text, size_t len,
                           SkScalar x, SkScalar y, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawPosText(const SkDraw&, const void* text, size_t len,
                              const SkScalar pos[], int scalarsPerPos,
                              const SkPoint& offset, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount,
                               const SkPoint verts[], const SkPoint texs[],
                               const SkColor colors[], SkXfermode* xmode,
                               const uint16_t indices[], int indexCount,
                               const SkPaint& paint) SK_OVERRIDE;
-    virtual void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y, const SkPaint&) SK_OVERRIDE;
+    /** The SkBaseDevice passed will be an SkBaseDevice which was returned by a call to
+        onCreateCompatibleDevice on this device with kSaveLayer_Usage.
+     */
+    virtual void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
+                            const SkPaint&) SK_OVERRIDE;
 
     ///////////////////////////////////////////////////////////////////////////
 
     /** Update as needed the pixel value in the bitmap, so that the caller can
         access the pixels directly. Note: only the pixels field should be
         altered. The config/width/height/rowbytes must remain unchanged.
         @return the device contents as a bitmap
     */
     const SkBitmap& onAccessBitmap() SK_OVERRIDE;
 
@@ skipping 22 matching lines @@
     friend class SkDeviceFilteredPaint;
     friend class SkDeviceImageFilterProxy;
 
     friend class SkSurface_Raster;
 
     // used to change the backend's pixels (and possibly config/rowbytes)
     // but cannot change the width/height, so there should be no change to
     // any clip information.
     void replaceBitmapBackendForRasterSurface(const SkBitmap&) SK_OVERRIDE;
 
-    SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) SK_OVERRIDE;
+    SkBaseDevice* onCreateCompatibleDevice(const CreateInfo&) SK_OVERRIDE;
 
     SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&) SK_OVERRIDE;
     const void* peekPixels(SkImageInfo*, size_t* rowBytes) SK_OVERRIDE;
 
     SkImageFilter::Cache* getImageFilterCache() SK_OVERRIDE;
 
     SkBitmap    fBitmap;
 
     typedef SkBaseDevice INHERITED;
 };
 
 #endif // SkBitmapDevice_DEFINED