Add SkCanvas::writePixels that takes info+pixels directly

include/core/SkDevice.h

 
 /*
  * Copyright 2010 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.
  */
 
 
 #ifndef SkDevice_DEFINED
@@ skipping 116 matching lines @@
      *  Currently if bitmap is backed by a texture this is a no-op. This may be
      *  relaxed in the future.
      *
      *  If the bitmap has config kARGB_8888_Config then the config8888 param
      *  will determines how the pixel valuess are intepreted. If the bitmap is
      *  not kARGB_8888_Config then this parameter is ignored.
      */
     virtual void writePixels(const SkBitmap& bitmap, int x, int y,
                              SkCanvas::Config8888 config8888 = SkCanvas::kNative_Premul_Config8888) = 0;
 
+    bool writePixelsDirect(const SkImageInfo&, const void*, size_t rowBytes, int x, int y);
+
     /**
      * Return the device's associated gpu render target, or NULL.
      */
     virtual GrRenderTarget* accessRenderTarget() = 0;
 
 
     /**
      *  Return the device's origin: its offset in device coordinates from
      *  the default origin in its canvas' matrix/clip
      */
@@ skipping 233 matching lines @@
     // either is identical to kNative_Premul_Config8888. Otherwise, -1.
     static const SkCanvas::Config8888 kPMColorAlias;
 
 protected:
     // default impl returns NULL
     virtual SkSurface* newSurface(const SkImageInfo&);
 
     // default impl returns NULL
     virtual const void* peekPixels(SkImageInfo*, size_t* rowBytes);
 
+    virtual bool onWritePixelsDirect(const SkImageInfo&, const void*, size_t, int x, int y);
+
     /**
      *  Leaky properties are those which the device should be applying but it isn't.
      *  These properties will be applied by the draw, when and as it can.
      *  If the device does handle a property, that property should be set to the identity value
      *  for that property, effectively making it non-leaky.
      */
     SkDeviceProperties fLeakyProperties;
 
 private:
     friend class SkCanvas;
@@ skipping 41 matching lines @@
     SkMetaData* fMetaData;
 
 #ifdef SK_DEBUG
     bool        fAttachedToCanvas;
 #endif
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif