1 files changed, 52 insertions, 0 deletions
diff --git a/WebCore/rendering/svg/SVGTextLayoutEngineSpacing.h b/WebCore/rendering/svg/SVGTextLayoutEngineSpacing.h
new file mode 100644
index 0000000..0a6d736
--- /dev/null
+++ b/WebCore/rendering/svg/SVGTextLayoutEngineSpacing.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Research In Motion Limited 2010. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef SVGTextLayoutEngineSpacing_h
+#define SVGTextLayoutEngineSpacing_h
+
+#if ENABLE(SVG)
+#include "SVGTextMetrics.h"
+
+namespace WebCore {
+
+class Font;
+class SVGRenderStyle;
+class SVGElement;
+
+// Helper class used by SVGTextLayoutEngine to handle 'kerning' / 'letter-spacing' and 'word-spacing'.
+class SVGTextLayoutEngineSpacing : public Noncopyable {
+public:
+    SVGTextLayoutEngineSpacing(const Font&);
+
+    float calculateSVGKerning(bool isVerticalText, const SVGTextMetrics::Glyph& currentGlyph);
+    float calculateCSSKerningAndSpacing(const SVGRenderStyle*, SVGElement* lengthContext, const UChar* currentCharacter);
+
+private:
+    const Font& m_font;
+    const UChar* m_lastCharacter;
+
+#if ENABLE(SVG_FONTS)
+    SVGTextMetrics::Glyph m_lastGlyph;
+#endif
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(SVG)
+#endif