| /* |
| * 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 SKY_ENGINE_CORE_RENDERING_STYLE_STYLEIMAGE_H_ |
| #define SKY_ENGINE_CORE_RENDERING_STYLE_STYLEIMAGE_H_ |
| |
| #include "sky/engine/core/css/CSSValue.h" |
| #include "sky/engine/platform/geometry/IntSize.h" |
| #include "sky/engine/platform/geometry/LayoutSize.h" |
| #include "sky/engine/platform/graphics/Image.h" |
| #include "sky/engine/wtf/PassRefPtr.h" |
| #include "sky/engine/wtf/RefCounted.h" |
| #include "sky/engine/wtf/RefPtr.h" |
| |
| namespace blink { |
| |
| class CSSValue; |
| 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(const RenderObject&) const { return true; } |
| virtual bool isLoaded() const { return true; } |
| virtual bool errorOccurred() const { return false; } |
| virtual LayoutSize imageSize(const RenderObject*) const = 0; |
| virtual void computeIntrinsicDimensions(const RenderObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) = 0; |
| virtual bool imageHasRelativeWidth() const = 0; |
| virtual bool imageHasRelativeHeight() const = 0; |
| virtual bool usesImageContainerSize() const = 0; |
| virtual void setContainerSizeForRenderer(const RenderObject*, const IntSize&) = 0; |
| virtual void addClient(RenderObject*) = 0; |
| virtual void removeClient(RenderObject*) = 0; |
| virtual PassRefPtr<Image> image(RenderObject*, const IntSize&) const = 0; |
| virtual WrappedImagePtr data() const = 0; |
| virtual float imageScaleFactor() const { return 1; } |
| virtual bool knownToBeOpaque(const RenderObject*) const = 0; |
| |
| ALWAYS_INLINE bool isPendingImage() const { return m_isPendingImage; } |
| ALWAYS_INLINE bool isGeneratedImage() const { return m_isGeneratedImage; } |
| |
| protected: |
| StyleImage() |
| : m_isPendingImage(false) |
| , m_isGeneratedImage(false) |
| { |
| } |
| bool m_isPendingImage:1; |
| bool m_isGeneratedImage:1; |
| }; |
| |
| #define DEFINE_STYLE_IMAGE_TYPE_CASTS(thisType, function) \ |
| DEFINE_TYPE_CASTS(thisType, StyleImage, styleImage, styleImage->function, styleImage.function); \ |
| inline thisType* to##thisType(const RefPtr<StyleImage>& styleImage) { return to##thisType(styleImage.get()); } \ |
| typedef int NeedsSemiColonAfterDefineStyleImageTypeCasts |
| |
| } |
| #endif // SKY_ENGINE_CORE_RENDERING_STYLE_STYLEIMAGE_H_ |