WebCore/rendering/SVGTextLayoutUtilities.h
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/SVGTextLayoutUtilities.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,69 @@
+/*
+    Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
+    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 SVGTextLayoutUtilities_h
+#define SVGTextLayoutUtilities_h
+
+#if ENABLE(SVG)
+#include <wtf/Vector.h>
+#include <wtf/text/WTFString.h>
+
+namespace WebCore {
+
+class FloatPoint;
+class Font;
+class InlineTextBox;
+class RenderObject;
+class RenderStyle;
+class SVGRenderStyle;
+class TextRun;
+
+struct SVGChar;
+struct SVGCharacterLayoutInfo;
+struct SVGInlineBoxCharacterRange;
+
+struct SVGLastGlyphInfo {
+    SVGLastGlyphInfo()
+        : isValid(false)
+    {
+    }
+
+    bool isValid;
+    String unicode;
+    String glyphName;
+};
+
+bool isVerticalWritingMode(const SVGRenderStyle*);
+float alignmentBaselineToShift(bool isVerticalText, const RenderObject* text, const Font&);
+float glyphOrientationToAngle(const SVGRenderStyle*, bool isVerticalText, const UChar&);
+float applyGlyphAdvanceAndShiftRespectingOrientation(bool isVerticalText, float orientationAngle, float glyphWidth, float glyphHeight, const Font&,
+                                                     SVGChar&, float& xOrientationShift, float& yOrientationShift);
+FloatPoint topLeftPositionOfCharacterRange(Vector<SVGChar>::iterator start, Vector<SVGChar>::iterator end);
+float cummulatedWidthOfInlineBoxCharacterRange(SVGInlineBoxCharacterRange&);
+float cummulatedHeightOfInlineBoxCharacterRange(SVGInlineBoxCharacterRange&);
+TextRun svgTextRunForInlineTextBox(const UChar*, int length, const RenderStyle*, const InlineTextBox*);
+
+float calculateCSSKerning(const RenderStyle*);
+bool applySVGKerning(SVGCharacterLayoutInfo&, const RenderStyle*, SVGLastGlyphInfo&, const String& unicodeString, const String& glyphName, bool isVerticalText);
+
+}
+
+#endif
+#endif