15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2011 Apple Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef CrossfadeGeneratedImage_h 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define CrossfadeGeneratedImage_h 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 291e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "platform/geometry/IntSize.h" 30a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)#include "platform/graphics/GeneratedImage.h" 31a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)#include "platform/graphics/Image.h" 3251b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)#include "platform/graphics/ImageObserver.h" 337757ec2eadfa2dd8ac2aeed0a4399e9b07ec38cbBen Murdoch#include "wtf/RefPtr.h" 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore { 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class CSSCrossfadeValue; 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 39a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)class PLATFORM_EXPORT CrossfadeGeneratedImage : public GeneratedImage { 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) static PassRefPtr<CrossfadeGeneratedImage> create(Image* fromImage, Image* toImage, float percentage, IntSize crossfadeSize, const IntSize& size) 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return adoptRef(new CrossfadeGeneratedImage(fromImage, toImage, percentage, crossfadeSize, size)); 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void setContainerSize(const IntSize&) { } 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual bool usesContainerSize() const { return false; } 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual bool hasRelativeWidth() const { return false; } 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual bool hasRelativeHeight() const { return false; } 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual IntSize size() const { return m_crossfadeSize; } 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)protected: 54521d96ec04ace82590870fb04353ec4f82bb150fTorne (Richard Coles) virtual void draw(GraphicsContext*, const FloatRect&, const FloatRect&, 55a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) CompositeOperator, blink::WebBlendMode) OVERRIDE; 56521d96ec04ace82590870fb04353ec4f82bb150fTorne (Richard Coles) virtual void drawPattern(GraphicsContext*, const FloatRect&, 57521d96ec04ace82590870fb04353ec4f82bb150fTorne (Richard Coles) const FloatSize&, const FloatPoint&, CompositeOperator, 58a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) const FloatRect&, blink::WebBlendMode, const IntSize& repeatSpacing) OVERRIDE; 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) CrossfadeGeneratedImage(Image* fromImage, Image* toImage, float percentage, IntSize crossfadeSize, const IntSize&); 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void drawCrossfade(GraphicsContext*); 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Image* m_fromImage; 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) Image* m_toImage; 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float m_percentage; 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) IntSize m_crossfadeSize; 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif 75