| /* |
| * 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. |
| * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com) |
| * |
| * 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 FillLayer_h |
| #define FillLayer_h |
| |
| #include "core/rendering/style/RenderStyleConstants.h" |
| #include "core/rendering/style/StyleImage.h" |
| #include "platform/Length.h" |
| #include "platform/LengthSize.h" |
| #include "platform/graphics/GraphicsTypes.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace WebCore { |
| |
| struct FillSize { |
| FillSize() |
| : type(SizeLength) |
| { |
| } |
| |
| FillSize(EFillSizeType t, LengthSize l) |
| : type(t) |
| , size(l) |
| { |
| } |
| |
| bool operator==(const FillSize& o) const |
| { |
| return type == o.type && size == o.size; |
| } |
| bool operator!=(const FillSize& o) const |
| { |
| return !(*this == o); |
| } |
| |
| EFillSizeType type; |
| LengthSize size; |
| }; |
| |
| class FillLayer { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| FillLayer(EFillLayerType, bool useInitialValues = false); |
| ~FillLayer(); |
| |
| StyleImage* image() const { return m_image.get(); } |
| Length xPosition() const { return m_xPosition; } |
| Length yPosition() const { return m_yPosition; } |
| BackgroundEdgeOrigin backgroundXOrigin() const { return static_cast<BackgroundEdgeOrigin>(m_backgroundXOrigin); } |
| BackgroundEdgeOrigin backgroundYOrigin() const { return static_cast<BackgroundEdgeOrigin>(m_backgroundYOrigin); } |
| EFillAttachment attachment() const { return static_cast<EFillAttachment>(m_attachment); } |
| EFillBox clip() const { return static_cast<EFillBox>(m_clip); } |
| EFillBox origin() const { return static_cast<EFillBox>(m_origin); } |
| EFillRepeat repeatX() const { return static_cast<EFillRepeat>(m_repeatX); } |
| EFillRepeat repeatY() const { return static_cast<EFillRepeat>(m_repeatY); } |
| CompositeOperator composite() const { return static_cast<CompositeOperator>(m_composite); } |
| blink::WebBlendMode blendMode() const { return static_cast<blink::WebBlendMode>(m_blendMode); } |
| LengthSize sizeLength() const { return m_sizeLength; } |
| EFillSizeType sizeType() const { return static_cast<EFillSizeType>(m_sizeType); } |
| FillSize size() const { return FillSize(static_cast<EFillSizeType>(m_sizeType), m_sizeLength); } |
| EMaskSourceType maskSourceType() const { return static_cast<EMaskSourceType>(m_maskSourceType); } |
| |
| const FillLayer* next() const { return m_next; } |
| FillLayer* next() { return m_next; } |
| |
| bool isImageSet() const { return m_imageSet; } |
| bool isXPositionSet() const { return m_xPosSet; } |
| bool isYPositionSet() const { return m_yPosSet; } |
| bool isBackgroundXOriginSet() const { return m_backgroundXOriginSet; } |
| bool isBackgroundYOriginSet() const { return m_backgroundYOriginSet; } |
| bool isAttachmentSet() const { return m_attachmentSet; } |
| bool isClipSet() const { return m_clipSet; } |
| bool isOriginSet() const { return m_originSet; } |
| bool isRepeatXSet() const { return m_repeatXSet; } |
| bool isRepeatYSet() const { return m_repeatYSet; } |
| bool isCompositeSet() const { return m_compositeSet; } |
| bool isBlendModeSet() const { return m_blendModeSet; } |
| bool isSizeSet() const { return m_sizeType != SizeNone; } |
| bool isMaskSourceTypeSet() const { return m_maskSourceTypeSet; } |
| |
| void setImage(PassRefPtr<StyleImage> i) { m_image = i; m_imageSet = true; } |
| void setXPosition(Length position) { m_xPosition = position; m_xPosSet = true; m_backgroundXOriginSet = false; m_backgroundXOrigin = LeftEdge; } |
| void setYPosition(Length position) { m_yPosition = position; m_yPosSet = true; m_backgroundYOriginSet = false; m_backgroundYOrigin = TopEdge; } |
| void setBackgroundXOrigin(BackgroundEdgeOrigin origin) { m_backgroundXOrigin = origin; m_backgroundXOriginSet = true; } |
| void setBackgroundYOrigin(BackgroundEdgeOrigin origin) { m_backgroundYOrigin = origin; m_backgroundYOriginSet = true; } |
| void setAttachment(EFillAttachment attachment) { m_attachment = attachment; m_attachmentSet = true; } |
| void setClip(EFillBox b) { m_clip = b; m_clipSet = true; } |
| void setOrigin(EFillBox b) { m_origin = b; m_originSet = true; } |
| void setRepeatX(EFillRepeat r) { m_repeatX = r; m_repeatXSet = true; } |
| void setRepeatY(EFillRepeat r) { m_repeatY = r; m_repeatYSet = true; } |
| void setComposite(CompositeOperator c) { m_composite = c; m_compositeSet = true; } |
| void setBlendMode(blink::WebBlendMode b) { m_blendMode = b; m_blendModeSet = true; } |
| void setSizeType(EFillSizeType b) { m_sizeType = b; } |
| void setSizeLength(LengthSize l) { m_sizeLength = l; } |
| void setSize(FillSize f) { m_sizeType = f.type; m_sizeLength = f.size; } |
| void setMaskSourceType(EMaskSourceType m) { m_maskSourceType = m; m_maskSourceTypeSet = true; } |
| |
| void clearImage() { m_image.clear(); m_imageSet = false; } |
| void clearXPosition() |
| { |
| m_xPosSet = false; |
| m_backgroundXOriginSet = false; |
| } |
| void clearYPosition() |
| { |
| m_yPosSet = false; |
| m_backgroundYOriginSet = false; |
| } |
| |
| void clearAttachment() { m_attachmentSet = false; } |
| void clearClip() { m_clipSet = false; } |
| void clearOrigin() { m_originSet = false; } |
| void clearRepeatX() { m_repeatXSet = false; } |
| void clearRepeatY() { m_repeatYSet = false; } |
| void clearComposite() { m_compositeSet = false; } |
| void clearBlendMode() { m_blendModeSet = false; } |
| void clearSize() { m_sizeType = SizeNone; } |
| void clearMaskSourceType() { m_maskSourceTypeSet = false; } |
| |
| void setNext(FillLayer* n) { if (m_next != n) { delete m_next; m_next = n; } } |
| |
| FillLayer& operator=(const FillLayer& o); |
| FillLayer(const FillLayer& o); |
| |
| bool operator==(const FillLayer& o) const; |
| bool operator!=(const FillLayer& o) const |
| { |
| return !(*this == o); |
| } |
| |
| bool containsImage(StyleImage*) const; |
| bool imagesAreLoaded() const; |
| |
| bool hasImage() const |
| { |
| if (m_image) |
| return true; |
| return m_next ? m_next->hasImage() : false; |
| } |
| |
| bool hasFixedImage() const |
| { |
| if (m_image && m_attachment == FixedBackgroundAttachment) |
| return true; |
| return m_next ? m_next->hasFixedImage() : false; |
| } |
| |
| bool hasOpaqueImage(const RenderObject*) const; |
| bool hasRepeatXY() const; |
| bool clipOccludesNextLayers(bool firstLayer) const; |
| |
| EFillLayerType type() const { return static_cast<EFillLayerType>(m_type); } |
| |
| void fillUnsetProperties(); |
| void cullEmptyLayers(); |
| |
| static EFillAttachment initialFillAttachment(EFillLayerType) { return ScrollBackgroundAttachment; } |
| static EFillBox initialFillClip(EFillLayerType) { return BorderFillBox; } |
| static EFillBox initialFillOrigin(EFillLayerType type) { return type == BackgroundFillLayer ? PaddingFillBox : BorderFillBox; } |
| static EFillRepeat initialFillRepeatX(EFillLayerType) { return RepeatFill; } |
| static EFillRepeat initialFillRepeatY(EFillLayerType) { return RepeatFill; } |
| static CompositeOperator initialFillComposite(EFillLayerType) { return CompositeSourceOver; } |
| static blink::WebBlendMode initialFillBlendMode(EFillLayerType) { return blink::WebBlendModeNormal; } |
| static EFillSizeType initialFillSizeType(EFillLayerType) { return SizeLength; } |
| static LengthSize initialFillSizeLength(EFillLayerType) { return LengthSize(); } |
| static FillSize initialFillSize(EFillLayerType type) { return FillSize(initialFillSizeType(type), initialFillSizeLength(type)); } |
| static Length initialFillXPosition(EFillLayerType) { return Length(0.0, Percent); } |
| static Length initialFillYPosition(EFillLayerType) { return Length(0.0, Percent); } |
| static StyleImage* initialFillImage(EFillLayerType) { return 0; } |
| static EMaskSourceType initialFillMaskSourceType(EFillLayerType) { return MaskAlpha; } |
| |
| private: |
| friend class RenderStyle; |
| |
| void computeClipMax() const; |
| |
| FillLayer() { } |
| |
| FillLayer* m_next; |
| |
| RefPtr<StyleImage> m_image; |
| |
| Length m_xPosition; |
| Length m_yPosition; |
| |
| LengthSize m_sizeLength; |
| |
| unsigned m_attachment : 2; // EFillAttachment |
| unsigned m_clip : 2; // EFillBox |
| unsigned m_origin : 2; // EFillBox |
| unsigned m_repeatX : 3; // EFillRepeat |
| unsigned m_repeatY : 3; // EFillRepeat |
| unsigned m_composite : 4; // CompositeOperator |
| unsigned m_sizeType : 2; // EFillSizeType |
| unsigned m_blendMode : 5; // blink::WebBlendMode |
| unsigned m_maskSourceType : 1; // EMaskSourceType |
| unsigned m_backgroundXOrigin : 2; // BackgroundEdgeOrigin |
| unsigned m_backgroundYOrigin : 2; // BackgroundEdgeOrigin |
| |
| unsigned m_imageSet : 1; |
| unsigned m_attachmentSet : 1; |
| unsigned m_clipSet : 1; |
| unsigned m_originSet : 1; |
| unsigned m_repeatXSet : 1; |
| unsigned m_repeatYSet : 1; |
| unsigned m_xPosSet : 1; |
| unsigned m_yPosSet : 1; |
| unsigned m_backgroundXOriginSet : 1; |
| unsigned m_backgroundYOriginSet : 1; |
| unsigned m_compositeSet : 1; |
| unsigned m_blendModeSet : 1; |
| unsigned m_maskSourceTypeSet : 1; |
| |
| unsigned m_type : 1; // EFillLayerType |
| |
| mutable unsigned m_clipMax : 2; // EFillBox, maximum m_clip value from this to bottom layer |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // FillLayer_h |