New Pepper API implementation.

webkit/glue/plugins/pepper_image_data.h

+// Copyright (c) 2010 The Chromium 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 WEBKIT_GLUE_PLUGINS_PEPPER_IMAGE_DATA_H_
+#define WEBKIT_GLUE_PLUGINS_PEPPER_IMAGE_DATA_H_
+
+#include "base/scoped_ptr.h"
+#include "third_party/ppapi/c/ppb_image_data.h"
+#include "webkit/glue/plugins/pepper_plugin_delegate.h"
+#include "webkit/glue/plugins/pepper_resource.h"
+
+typedef struct _ppb_ImageData PPB_ImageData;
+
+namespace skia {
+class PlatformCanvas;
+}
+
+class SkBitmap;
+
+namespace pepper {
+
+class PluginInstance;
+
+class ImageData : public Resource {
+ public:
+  ImageData(PluginModule* module);
+  virtual ~ImageData();
+
+  // Returns a pointer to the interface implementing PPB_ImageData that is
+  // exposed to the plugin.
+  static const PPB_ImageData* GetInterface();
+
+  // Resource overrides.
+  ImageData* AsImageData() { return this; }
+
+  // PPB_ImageData implementation.
+  bool Init(PP_ImageDataFormat format,
+            int width,
+            int height);
+  void Describe(PP_ImageDataDesc* desc) const;
+  void* Map();
+  void Unmap();
+
+  skia::PlatformCanvas* mapped_canvas() const { return mapped_canvas_.get(); }
+
+  const SkBitmap& GetMappedBitmap() const;
+
+ private:
+  scoped_ptr<PluginDelegate::PlatformImage2D> platform_image_;
+
+  // When the device is mapped, this is the image. Null when umapped.
+  scoped_ptr<skia::PlatformCanvas> mapped_canvas_;
+
+  int width_;
+  int height_;
+};
+
+}  // namespace pepper
+
+#endif  // WEBKIT_GLUE_PLUGINS_PEPPER_IMAGE_DATA_H_