1/* 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) 3 * (C) 2000 Antti Koivisto (koivisto@kde.org) 4 * (C) 2000 Dirk Mueller (mueller@kde.org) 5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 * 22 */ 23 24#ifndef StyleGeneratedImage_h 25#define StyleGeneratedImage_h 26 27#include "StyleImage.h" 28 29namespace WebCore { 30 31class CSSValue; 32class CSSImageGeneratorValue; 33 34class StyleGeneratedImage final : public StyleImage { 35public: 36 static PassRefPtr<StyleGeneratedImage> create(PassRef<CSSImageGeneratorValue> value) 37 { 38 return adoptRef(new StyleGeneratedImage(WTF::move(value))); 39 } 40 41 CSSImageGeneratorValue& imageValue() { return m_imageGeneratorValue.get(); } 42 43private: 44 virtual WrappedImagePtr data() const override { return &m_imageGeneratorValue.get(); } 45 46 virtual PassRefPtr<CSSValue> cssValue() const override; 47 48 virtual FloatSize imageSize(const RenderElement*, float multiplier) const override; 49 virtual bool imageHasRelativeWidth() const override { return !m_fixedSize; } 50 virtual bool imageHasRelativeHeight() const override { return !m_fixedSize; } 51 virtual void computeIntrinsicDimensions(const RenderElement*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) override; 52 virtual bool usesImageContainerSize() const override { return !m_fixedSize; } 53 virtual void setContainerSizeForRenderer(const RenderElement*, const FloatSize& containerSize, float) override { m_containerSize = containerSize; } 54 virtual void addClient(RenderElement*) override; 55 virtual void removeClient(RenderElement*) override; 56 virtual PassRefPtr<Image> image(RenderElement*, const FloatSize&) const override; 57 virtual bool knownToBeOpaque(const RenderElement*) const override; 58 59 StyleGeneratedImage(PassRef<CSSImageGeneratorValue>); 60 61 Ref<CSSImageGeneratorValue> m_imageGeneratorValue; 62 FloatSize m_containerSize; 63 bool m_fixedSize; 64}; 65 66STYLE_IMAGE_TYPE_CASTS(StyleGeneratedImage, StyleImage, isGeneratedImage) 67 68} 69#endif 70