/* * Copyright (C) 2008, 2013 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 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 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. */ #pragma once #include "FloatSize.h" #include "Image.h" namespace WebCore { class GeneratedImage : public Image { public: bool hasSingleSecurityOrigin() const override { return true; } void setContainerSize(const FloatSize& size) override { m_size = size; } bool usesContainerSize() const override { return true; } bool hasRelativeWidth() const override { return true; } bool hasRelativeHeight() const override { return true; } void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) override; FloatSize size() const override { return m_size; } // Assume that generated content has no decoded data we need to worry about void destroyDecodedData(bool /*destroyAll*/ = true) override { } protected: ImageDrawResult draw(GraphicsContext&, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator, BlendMode, DecodingMode, ImageOrientationDescription) override = 0; void drawPattern(GraphicsContext&, const FloatRect& destRect, const FloatRect& srcRect, const AffineTransform& patternTransform, const FloatPoint& phase, const FloatSize& spacing, CompositeOperator, BlendMode) override = 0; // FIXME: Implement this to be less conservative. bool currentFrameKnownToBeOpaque() const override { return false; } GeneratedImage() { } private: bool isGeneratedImage() const override { return true; } FloatSize m_size; }; } SPECIALIZE_TYPE_TRAITS_IMAGE(GeneratedImage)