1 files changed, 67 insertions, 0 deletions
diff --git a/WebCore/rendering/svg/SVGTextLayoutBuilder.h b/WebCore/rendering/svg/SVGTextLayoutBuilder.h
new file mode 100644
index 0000000..6df7fa1
--- /dev/null
+++ b/WebCore/rendering/svg/SVGTextLayoutBuilder.h
@@ -0,0 +1,67 @@
+/*
+ * 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 SVGTextLayoutBuilder_h
+#define SVGTextLayoutBuilder_h
+
+#if ENABLE(SVG)
+#include "SVGTextLayoutAttributes.h"
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class RenderObject;
+class RenderSVGInlineText;
+class RenderSVGText;
+
+class SVGTextLayoutBuilder : public Noncopyable {
+public:
+    SVGTextLayoutBuilder();
+    void buildLayoutAttributesForTextSubtree(RenderSVGText*);
+
+private:
+    struct LayoutScope {
+        LayoutScope()
+            : isVerticalWritingMode(false)
+            , textContentStart(0)
+            , textContentLength(0)
+        {
+        }
+
+        bool isVerticalWritingMode;
+        unsigned textContentStart;
+        unsigned textContentLength;
+        SVGTextLayoutAttributes attributes;
+    };
+
+    void buildLayoutScopes(RenderObject*, unsigned& atCharacter);
+    void buildLayoutScope(LayoutScope&, RenderObject*, unsigned textContentStart, unsigned textContentLength);
+    void buildLayoutAttributesFromScopes();
+    void propagateLayoutAttributes(RenderObject*, unsigned& atCharacter);
+    void measureCharacters(RenderSVGInlineText*, SVGTextLayoutAttributes&);
+
+private:
+    Vector<LayoutScope> m_scopes;
+    SVGTextLayoutAttributes m_attributes;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(SVG)
+#endif