external/webkit r30707

1 files changed, 87 insertions, 0 deletions

diff --git a/WebCore/css/CSSSegmentedFontFace.h b/WebCore/css/CSSSegmentedFontFace.h
new file mode 100644
index 0000000..55a9da5
--- /dev/null
+++ b/WebCore/css/CSSSegmentedFontFace.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2008 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef CSSSegmentedFontFace_h
+#define CSSSegmentedFontFace_h
+
+#include <wtf/HashMap.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/Vector.h>
+#include <wtf/unicode/Unicode.h>
+
+namespace WebCore {
+
+class CSSFontFace;
+class CSSFontSelector;
+class FontData;
+class FontDescription;
+class SegmentedFontData;
+
+struct FontFaceRange {
+    FontFaceRange(UChar32 from, UChar32 to, PassRefPtr<CSSFontFace> fontFace)
+        : m_from(from)
+        , m_to(to)
+        , m_fontFace(fontFace)
+    {
+    }
+
+    UChar32 from() const { return m_from; }
+    UChar32 to() const { return m_to; }
+    CSSFontFace* fontFace() const { return m_fontFace.get(); }
+
+private:
+    UChar32 m_from;
+    UChar32 m_to;
+    RefPtr<CSSFontFace> m_fontFace;
+};
+
+class CSSSegmentedFontFace : public RefCounted<CSSSegmentedFontFace> {
+public:
+    CSSSegmentedFontFace(CSSFontSelector*);
+    ~CSSSegmentedFontFace();
+
+    bool isLoaded() const;
+    bool isValid() const;
+    CSSFontSelector* fontSelector() const { return m_fontSelector; }
+
+    void fontLoaded(CSSFontFace*);
+
+    unsigned numRanges() const { return m_ranges.size(); }
+    void overlayRange(UChar32 from, UChar32 to, PassRefPtr<CSSFontFace>);
+
+    FontData* getFontData(const FontDescription&, bool syntheticBold, bool syntheticItalic);
+
+private:
+    void pruneTable();
+
+    CSSFontSelector* m_fontSelector;
+    HashMap<unsigned, SegmentedFontData*> m_fontDataTable;
+    Vector<FontFaceRange, 1> m_ranges;
+};
+
+} // namespace WebCore
+
+#endif // CSSSegmentedFontFace_h