--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/style/FillLayer.h Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,201 @@
+/*
+ * 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 "GraphicsTypes.h"
+#include "Length.h"
+#include "LengthSize.h"
+#include "RenderStyleConstants.h"
+#include "StyleImage.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 : public FastAllocBase {
+public:
+ FillLayer(EFillLayerType);
+ ~FillLayer();
+
+ StyleImage* image() const { return m_image.get(); }
+ Length xPosition() const { return m_xPosition; }
+ Length yPosition() const { return m_yPosition; }
+ 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); }
+ 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); }
+
+ 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 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 isSizeSet() const { return m_sizeType != SizeNone; }
+
+ void setImage(StyleImage* i) { m_image = i; m_imageSet = true; }
+ void setXPosition(Length l) { m_xPosition = l; m_xPosSet = true; }
+ void setYPosition(Length l) { m_yPosition = l; m_yPosSet = 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 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 clearImage() { m_imageSet = false; }
+ void clearXPosition() { m_xPosSet = false; }
+ void clearYPosition() { m_yPosSet = 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 clearSize() { m_sizeType = SizeNone; }
+
+ 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;
+ }
+
+ 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 EFillSizeType initialFillSizeType(EFillLayerType) { return SizeLength; }
+ static LengthSize initialFillSizeLength(EFillLayerType) { return LengthSize(); }
+ static FillSize initialFillSize(EFillLayerType) { return FillSize(); }
+ static Length initialFillXPosition(EFillLayerType) { return Length(0.0, Percent); }
+ static Length initialFillYPosition(EFillLayerType) { return Length(0.0, Percent); }
+ static StyleImage* initialFillImage(EFillLayerType) { return 0; }
+
+private:
+ friend class RenderStyle;
+
+ FillLayer() { }
+
+ FillLayer* m_next;
+
+ RefPtr<StyleImage> m_image;
+
+ Length m_xPosition;
+ Length m_yPosition;
+
+ 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
+
+ LengthSize m_sizeLength;
+
+ bool m_imageSet : 1;
+ bool m_attachmentSet : 1;
+ bool m_clipSet : 1;
+ bool m_originSet : 1;
+ bool m_repeatXSet : 1;
+ bool m_repeatYSet : 1;
+ bool m_xPosSet : 1;
+ bool m_yPosSet : 1;
+ bool m_compositeSet : 1;
+
+ unsigned m_type : 1; // EFillLayerType
+};
+
+} // namespace WebCore
+
+#endif // FillLayer_h