| /* |
| * 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 HasIntrinsicSize() const override { return true; } |
| |
| 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 |