Add the xrender backend to the window manager.

image_container.h

 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WINDOW_MANAGER_IMAGE_CONTAINER_H_
 #define WINDOW_MANAGER_IMAGE_CONTAINER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/scoped_ptr.h"
+#include "window_manager/geometry.h"
 #include "window_manager/image_enums.h"
 
 namespace window_manager {
 
 // This base class contains image data.  Given a filename, it's able to
 // infer its type and construct an appropriate container object.
 class ImageContainer {
  public:
   enum Result {
     IMAGE_LOAD_SUCCESS = 0,
@@ skipping 10 matching lines @@
 
   ImageContainer();
   virtual ~ImageContainer() { SetData(NULL, false); }
 
   // Loads the image, and returns a result code.
   virtual Result LoadImage() = 0;
 
   uint8_t* data() const { return data_; }
   size_t width() const { return width_; }
   size_t height() const { return height_; }
+  Size GetSize() const { return Size(width_,height_); }

[Daniel Erat, 2011/04/04 21:16:35]

nit: just name this size() (some of the other code probably doesn't match up
with this yet, but chrome style is to use lowercase for inline methods)

[marcheu, 2011/04/05 00:23:40]

Done.

 
   // Return stride in bytes of a row of pixels in the image data.
   size_t stride() const {
     return bits_per_pixel() * width() / 8;
   }
 
   // The number of bits per pixel in the image.
   int bits_per_pixel() const { return GetBitsPerPixelInImageFormat(format_); }
 
   // Currently, this class only supports 32-bit formats as well as 16-bit RGB.
@@ skipping 66 matching lines @@
   // This doesn't need to be called.
   virtual Result LoadImage() { return IMAGE_LOAD_SUCCESS; }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InMemoryImageContainer);
 };
 
 }  // namespace window_manager
 
 #endif  // WINDOW_MANAGER_IMAGE_CONTAINER_H_