#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(); }
const Length& xPosition() const { return m_xPosition; }
const 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); }
const 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;
unsigned m_clip : 2;
unsigned m_origin : 2;
unsigned m_repeatX : 3;
unsigned m_repeatY : 3;
unsigned m_composite : 4;
unsigned m_sizeType : 2;
unsigned m_blendMode : 5;
unsigned m_maskSourceType : 1;
unsigned m_backgroundXOrigin : 2;
unsigned m_backgroundYOrigin : 2;
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;
mutable unsigned m_clipMax : 2;
};
}
#endif