/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ScaledImageFragment_h
#define ScaledImageFragment_h
#include "SkBitmap.h"
#include "SkRect.h"
#include "SkSize.h"
#include "platform/PlatformExport.h"
#include "wtf/PassOwnPtr.h"
namespace WebCore {
// ScaledImageFragment is a scaled version of an image.
class PLATFORM_EXPORT ScaledImageFragment {
public:
enum ImageGeneration {
CompleteImage = 0,
FirstPartialImage = 1,
};
static PassOwnPtr<ScaledImageFragment> createComplete(const SkISize& scaledSize, size_t index, const SkBitmap& bitmap)
{
return adoptPtr(new ScaledImageFragment(scaledSize, index, CompleteImage, bitmap));
}
static PassOwnPtr<ScaledImageFragment> createPartial(const SkISize& scaledSize, size_t index, size_t generation, const SkBitmap& bitmap)
{
return adoptPtr(new ScaledImageFragment(scaledSize, index, generation, bitmap));
}
ScaledImageFragment(const SkISize&, size_t index, size_t generation, const SkBitmap&);
~ScaledImageFragment();
const SkISize& scaledSize() const { return m_scaledSize; }
size_t index() const { return m_index; }
size_t generation() const { return m_generation; }
bool isComplete() const { return m_generation == CompleteImage; }
const SkBitmap& bitmap() const { return m_bitmap; }
SkBitmap& bitmap() { return m_bitmap; }
private:
SkISize m_scaledSize;
size_t m_index;
size_t m_generation;
SkBitmap m_bitmap;
};
} // namespace WebCore
#endif