15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2000 Lars Knoll (knoll@kde.org) 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (C) 2000 Antti Koivisto (koivisto@kde.org) 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (C) 2000 Dirk Mueller (mueller@kde.org) 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 2553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/style/StyleGeneratedImage.h" 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2753e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/css/CSSImageGeneratorValue.h" 2881a5157921f1d2a7ff6aae115bfe3c139b38a5c8Torne (Richard Coles)#include "core/css/resolver/StyleResolver.h" 2953e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/RenderObject.h" 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 31c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 3202772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 3309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles)StyleGeneratedImage::StyleGeneratedImage(PassRefPtrWillBeRawPtr<CSSImageGeneratorValue> value) 3402772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch : m_imageGeneratorValue(value) 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) , m_fixedSize(m_imageGeneratorValue->isFixedSize()) 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_isGeneratedImage = true; 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 40d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles)PassRefPtrWillBeRawPtr<CSSValue> StyleGeneratedImage::cssValue() const 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 4209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) return m_imageGeneratorValue.get(); 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)LayoutSize StyleGeneratedImage::imageSize(const RenderObject* renderer, float multiplier) const 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (m_fixedSize) { 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) IntSize fixedSize = m_imageGeneratorValue->fixedSize(renderer); 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (multiplier == 1.0f) 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return fixedSize; 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit width = fixedSize.width() * multiplier; 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) LayoutUnit height = fixedSize.height() * multiplier; 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Don't let images that have a width/height >= 1 shrink below 1 when zoomed. 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (fixedSize.width() > 0) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) width = max<LayoutUnit>(1, width); 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (fixedSize.height() > 0) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) height = max<LayoutUnit>(1, height); 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return LayoutSize(width, height); 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 6402772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return m_containerSize; 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void StyleGeneratedImage::computeIntrinsicDimensions(const RenderObject* renderer, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // At a zoom level of 1 the image is guaranteed to have an integer size. 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) IntSize size = flooredIntSize(imageSize(renderer, 1)); 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) intrinsicWidth = Length(size.width(), Fixed); 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) intrinsicHeight = Length(size.height(), Fixed); 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) intrinsicRatio = size; 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void StyleGeneratedImage::addClient(RenderObject* renderer) 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_imageGeneratorValue->addClient(renderer, IntSize()); 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)void StyleGeneratedImage::removeClient(RenderObject* renderer) 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_imageGeneratorValue->removeClient(renderer); 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)PassRefPtr<Image> StyleGeneratedImage::image(RenderObject* renderer, const IntSize& size) const 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return m_imageGeneratorValue->image(renderer, size); 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 92926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)bool StyleGeneratedImage::knownToBeOpaque(const RenderObject* renderer) const 93926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 94926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) return m_imageGeneratorValue->knownToBeOpaque(renderer); 95926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 96926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 98