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5 * modification, are permitted provided that the following conditions
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26 #ifndef VerticalPositionCache_h
27 #define VerticalPositionCache_h
29 #include "FontBaseline.h"
30 #include <wtf/HashMap.h>
36 // Values for vertical alignment.
37 const int PositionUndefined = 0x80000000;
39 class VerticalPositionCache {
40 WTF_MAKE_NONCOPYABLE(VerticalPositionCache);
42 VerticalPositionCache()
45 int get(RenderObject* renderer, FontBaseline baselineType) const
47 const HashMap<RenderObject*, int>& mapToCheck = baselineType == AlphabeticBaseline ? m_alphabeticPositions : m_ideographicPositions;
48 const HashMap<RenderObject*, int>::const_iterator it = mapToCheck.find(renderer);
49 if (it == mapToCheck.end())
50 return PositionUndefined;
54 void set(RenderObject* renderer, FontBaseline baselineType, int position)
56 if (baselineType == AlphabeticBaseline)
57 m_alphabeticPositions.set(renderer, position);
59 m_ideographicPositions.set(renderer, position);
63 HashMap<RenderObject*, int> m_alphabeticPositions;
64 HashMap<RenderObject*, int> m_ideographicPositions;
67 } // namespace WebCore
69 #endif // VerticalPositionCache_h