flutter_flutter/viewer/cc/web_external_bitmap_impl.h
2014-10-23 11:17:19 -07:00

47 lines
1.4 KiB
C++

// Copyright 2014 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 SKY_VIEWER_CC_WEB_EXTERNAL_BITMAP_IMPL_H_
#define SKY_VIEWER_CC_WEB_EXTERNAL_BITMAP_IMPL_H_
#include "base/bind.h"
#include "base/memory/scoped_ptr.h"
#include "sky/viewer/cc/sky_viewer_cc_export.h"
#include "sky/engine/public/platform/WebExternalBitmap.h"
namespace base {
class SharedMemory;
}
namespace sky_viewer_cc {
typedef scoped_ptr<base::SharedMemory>(*SharedMemoryAllocationFunction)(size_t);
// Sets the function that this will use to allocate shared memory.
SKY_VIEWER_CC_EXPORT void SetSharedMemoryAllocationFunction(
SharedMemoryAllocationFunction);
class WebExternalBitmapImpl : public blink::WebExternalBitmap {
public:
SKY_VIEWER_CC_EXPORT explicit WebExternalBitmapImpl();
virtual ~WebExternalBitmapImpl();
// blink::WebExternalBitmap implementation.
virtual blink::WebSize size() override;
virtual void setSize(blink::WebSize size) override;
virtual uint8* pixels() override;
base::SharedMemory* shared_memory() { return shared_memory_.get(); }
private:
scoped_ptr<base::SharedMemory> shared_memory_;
blink::WebSize size_;
DISALLOW_COPY_AND_ASSIGN(WebExternalBitmapImpl);
};
} // namespace sky_viewer_cc
#endif // SKY_VIEWER_CC_WEB_EXTERNAL_BITMAP_IMPL_H_