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29 #include "core/css/CSSFontFaceSource.h"
30 #include "core/css/FontFace.h"
31 #include "wtf/Deque.h"
32 #include "wtf/Forward.h"
33 #include "wtf/PassRefPtr.h"
34 #include "wtf/Vector.h"
38 class CSSFontSelector;
39 class CSSSegmentedFontFace;
41 class FontDescription;
43 class StyleRuleFontFace;
47 class UnicodeRangeSet;
49 CSSFontFace(FontFace* fontFace)
50 : m_segmentedFontFace(0)
51 , m_fontFace(fontFace)
56 FontFace* fontFace() const { return m_fontFace; }
58 UnicodeRangeSet& ranges() { return m_ranges; }
60 void setSegmentedFontFace(CSSSegmentedFontFace*);
61 void clearSegmentedFontFace() { m_segmentedFontFace = 0; }
63 bool isValid() const { return !m_sources.isEmpty(); }
65 void addSource(PassOwnPtr<CSSFontFaceSource>);
67 void beginLoadIfNeeded(CSSFontFaceSource*, CSSFontSelector* = 0);
68 void fontLoaded(CSSFontFaceSource*);
70 PassRefPtr<SimpleFontData> getFontData(const FontDescription&);
73 UnicodeRange(UChar32 from, UChar32 to)
79 UChar32 from() const { return m_from; }
80 UChar32 to() const { return m_to; }
81 bool contains(UChar32 c) const { return m_from <= c && c <= m_to; }
88 class UnicodeRangeSet {
90 void add(UChar32 from, UChar32 to) { m_ranges.append(UnicodeRange(from, to)); }
91 bool intersectsWith(const String&) const;
92 bool isEntireRange() const { return m_ranges.isEmpty(); }
93 size_t size() const { return m_ranges.size(); }
94 const UnicodeRange& rangeAt(size_t i) const { return m_ranges[i]; }
96 Vector<UnicodeRange> m_ranges; // If empty, represents the whole code space.
99 FontFace::LoadStatus loadStatus() const { return m_fontFace->loadStatus(); }
100 void willUseFontData(const FontDescription&);
101 void load(const FontDescription&, CSSFontSelector* = 0);
104 void setLoadStatus(FontFace::LoadStatus);
106 UnicodeRangeSet m_ranges;
107 CSSSegmentedFontFace* m_segmentedFontFace;
108 Deque<OwnPtr<CSSFontFaceSource> > m_sources;
109 FontFace* m_fontFace;