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/*
* Copyright (C) 2011 Apple 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_CROSSFADE_GENERATED_IMAGE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_CROSSFADE_GENERATED_IMAGE_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/platform/geometry/int_size.h"
#include "third_party/blink/renderer/platform/graphics/generated_image.h"
#include "third_party/blink/renderer/platform/graphics/image.h"
#include "third_party/blink/renderer/platform/graphics/image_observer.h"
namespace blink {
class PLATFORM_EXPORT CrossfadeGeneratedImage final : public GeneratedImage {
public:
static scoped_refptr<CrossfadeGeneratedImage> Create(
scoped_refptr<Image> from_image,
scoped_refptr<Image> to_image,
float percentage,
FloatSize crossfade_size,
const FloatSize& size) {
return base::AdoptRef(
new CrossfadeGeneratedImage(std::move(from_image), std::move(to_image),
percentage, crossfade_size, size));
}
bool HasRelativeSize() const override { return false; }
IntSize Size() const override { return FlooredIntSize(crossfade_size_); }
protected:
void Draw(cc::PaintCanvas*,
const cc::PaintFlags&,
const FloatRect&,
const FloatRect&,
RespectImageOrientationEnum,
ImageClampingMode,
ImageDecodingMode) override;
void DrawTile(GraphicsContext&, const FloatRect&) final;
CrossfadeGeneratedImage(scoped_refptr<Image> from_image,
scoped_refptr<Image> to_image,
float percentage,
FloatSize crossfade_size,
const FloatSize&);
private:
void DrawCrossfade(cc::PaintCanvas*,
const cc::PaintFlags&,
ImageClampingMode,
ImageDecodingMode);
scoped_refptr<Image> from_image_;
scoped_refptr<Image> to_image_;
float percentage_;
FloatSize crossfade_size_;
};
} // namespace blink
#endif