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Diffstat (limited to 'Source/WebCore/rendering/style/StyleImage.h')
-rw-r--r-- | Source/WebCore/rendering/style/StyleImage.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/style/StyleImage.h b/Source/WebCore/rendering/style/StyleImage.h new file mode 100644 index 0000000..ead8d4a --- /dev/null +++ b/Source/WebCore/rendering/style/StyleImage.h @@ -0,0 +1,84 @@ +/* + * Copyright (C) 2000 Lars Knoll (knoll@kde.org) + * (C) 2000 Antti Koivisto (koivisto@kde.org) + * (C) 2000 Dirk Mueller (mueller@kde.org) + * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#ifndef StyleImage_h +#define StyleImage_h + +#include "CSSValue.h" +#include "IntSize.h" +#include <wtf/PassRefPtr.h> +#include <wtf/RefCounted.h> +#include <wtf/RefPtr.h> + +namespace WebCore { + +class CSSValue; +class Image; +class RenderObject; + +typedef void* WrappedImagePtr; + +class StyleImage : public RefCounted<StyleImage> { +public: + virtual ~StyleImage() { } + + bool operator==(const StyleImage& other) const + { + return data() == other.data(); + } + + virtual PassRefPtr<CSSValue> cssValue() const = 0; + + virtual bool canRender(float /*multiplier*/) const { return true; } + virtual bool isLoaded() const { return true; } + virtual bool errorOccurred() const { return false; } + virtual IntSize imageSize(const RenderObject*, float multiplier) const = 0; + virtual bool imageHasRelativeWidth() const = 0; + virtual bool imageHasRelativeHeight() const = 0; + virtual bool usesImageContainerSize() const = 0; + virtual void setImageContainerSize(const IntSize&) = 0; + virtual void addClient(RenderObject*) = 0; + virtual void removeClient(RenderObject*) = 0; + virtual Image* image(RenderObject*, const IntSize&) const = 0; + virtual WrappedImagePtr data() const = 0; + + virtual bool isCachedImage() const { return false; } + virtual bool isPendingImage() const { return false; } + virtual bool isGeneratedImage() const { return false; } + + static bool imagesEquivalent(StyleImage* image1, StyleImage* image2) + { + if (image1 != image2) { + if (!image1 || !image2) + return false; + return *image1 == *image2; + } + return true; + } + +protected: + StyleImage() { } +}; + +} +#endif |