| /* |
| * Copyright (C) 2012 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. AND ITS CONTRIBUTORS ``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 ITS 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. |
| */ |
| |
| #include "config.h" |
| #include "core/rendering/style/StyleFetchedImageSet.h" |
| |
| #include "core/css/CSSImageSetValue.h" |
| #include "core/fetch/ImageResource.h" |
| #include "core/rendering/RenderObject.h" |
| |
| namespace WebCore { |
| |
| StyleFetchedImageSet::StyleFetchedImageSet(ImageResource* image, float imageScaleFactor, CSSImageSetValue* value) |
| : m_bestFitImage(image) |
| , m_imageScaleFactor(imageScaleFactor) |
| , m_imageSetValue(value) |
| { |
| m_isImageResourceSet = true; |
| m_bestFitImage->addClient(this); |
| } |
| |
| |
| StyleFetchedImageSet::~StyleFetchedImageSet() |
| { |
| m_bestFitImage->removeClient(this); |
| } |
| |
| PassRefPtr<CSSValue> StyleFetchedImageSet::cssValue() const |
| { |
| return m_imageSetValue; |
| } |
| |
| bool StyleFetchedImageSet::canRender(const RenderObject* renderer, float multiplier) const |
| { |
| return m_bestFitImage->canRender(renderer, multiplier); |
| } |
| |
| bool StyleFetchedImageSet::isLoaded() const |
| { |
| return m_bestFitImage->isLoaded(); |
| } |
| |
| bool StyleFetchedImageSet::errorOccurred() const |
| { |
| return m_bestFitImage->errorOccurred(); |
| } |
| |
| LayoutSize StyleFetchedImageSet::imageSize(const RenderObject* renderer, float multiplier) const |
| { |
| LayoutSize scaledImageSize = m_bestFitImage->imageSizeForRenderer(renderer, multiplier); |
| scaledImageSize.scale(1 / m_imageScaleFactor); |
| return scaledImageSize; |
| } |
| |
| bool StyleFetchedImageSet::imageHasRelativeWidth() const |
| { |
| return m_bestFitImage->imageHasRelativeWidth(); |
| } |
| |
| bool StyleFetchedImageSet::imageHasRelativeHeight() const |
| { |
| return m_bestFitImage->imageHasRelativeHeight(); |
| } |
| |
| void StyleFetchedImageSet::computeIntrinsicDimensions(const RenderObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) |
| { |
| m_bestFitImage->computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, intrinsicRatio); |
| } |
| |
| bool StyleFetchedImageSet::usesImageContainerSize() const |
| { |
| return m_bestFitImage->usesImageContainerSize(); |
| } |
| |
| void StyleFetchedImageSet::setContainerSizeForRenderer(const RenderObject* renderer, const IntSize& imageContainerSize, float imageContainerZoomFactor) |
| { |
| m_bestFitImage->setContainerSizeForRenderer(renderer, imageContainerSize, imageContainerZoomFactor); |
| } |
| |
| void StyleFetchedImageSet::addClient(RenderObject* renderer) |
| { |
| m_bestFitImage->addClient(renderer); |
| } |
| |
| void StyleFetchedImageSet::removeClient(RenderObject* renderer) |
| { |
| m_bestFitImage->removeClient(renderer); |
| } |
| |
| PassRefPtr<Image> StyleFetchedImageSet::image(RenderObject* renderer, const IntSize&) const |
| { |
| return m_bestFitImage->imageForRenderer(renderer); |
| } |
| |
| bool StyleFetchedImageSet::knownToBeOpaque(const RenderObject* renderer) const |
| { |
| return m_bestFitImage->currentFrameKnownToBeOpaque(renderer); |
| } |
| |
| } // namespace WebCore |