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31 #ifndef LayoutBoxExtent_h
32 #define LayoutBoxExtent_h
34 #include "platform/LayoutUnit.h"
35 #include "platform/PlatformExport.h"
36 #include "platform/text/TextDirection.h"
37 #include "platform/text/WritingMode.h"
41 class PLATFORM_EXPORT LayoutBoxExtent {
43 LayoutBoxExtent() : m_top(0), m_right(0), m_bottom(0), m_left(0) { }
44 LayoutBoxExtent(LayoutUnit top, LayoutUnit right, LayoutUnit bottom, LayoutUnit left)
45 : m_top(top), m_right(right), m_bottom(bottom), m_left(left) { }
47 inline LayoutUnit top() const { return m_top; }
48 inline LayoutUnit right() const { return m_right; }
49 inline LayoutUnit bottom() const { return m_bottom; }
50 inline LayoutUnit left() const { return m_left; }
52 inline void setTop(LayoutUnit value) { m_top = value; }
53 inline void setRight(LayoutUnit value) { m_right = value; }
54 inline void setBottom(LayoutUnit value) { m_bottom = value; }
55 inline void setLeft(LayoutUnit value) { m_left = value; }
57 LayoutUnit logicalTop(WritingMode) const;
58 LayoutUnit logicalBottom(WritingMode) const;
59 LayoutUnit logicalLeft(WritingMode) const;
60 LayoutUnit logicalRight(WritingMode) const;
62 LayoutUnit before(WritingMode) const;
63 LayoutUnit after(WritingMode) const;
64 LayoutUnit start(WritingMode, TextDirection) const;
65 LayoutUnit end(WritingMode, TextDirection) const;
67 void setBefore(WritingMode, LayoutUnit);
68 void setAfter(WritingMode, LayoutUnit);
69 void setStart(WritingMode, TextDirection, LayoutUnit);
70 void setEnd(WritingMode, TextDirection, LayoutUnit);
72 LayoutUnit& mutableLogicalLeft(WritingMode);
73 LayoutUnit& mutableLogicalRight(WritingMode);
75 LayoutUnit& mutableBefore(WritingMode);
76 LayoutUnit& mutableAfter(WritingMode);
85 } // namespace WebCore
87 #endif // LayoutBoxExtent_h