Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 51 insertions, 0 deletions

diff --git a/Source/WebCore/svg/ColorDistance.h b/Source/WebCore/svg/ColorDistance.h
new file mode 100644
index 0000000..2c142b7
--- /dev/null
+++ b/Source/WebCore/svg/ColorDistance.h
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+/*
+ * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
+ *
+ * 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 ColorDistance_h
+#define ColorDistance_h
+#if ENABLE(SVG)
+
+namespace WebCore {
+    
+class Color;
+    
+class ColorDistance {
+public:
+    ColorDistance();
+    ColorDistance(const Color& fromColor, const Color& toColor);
+    ColorDistance(int redDiff, int blueDiff, int greenDiff);
+
+    ColorDistance scaledDistance(float scaleFactor) const;
+    Color addToColorAndClamp(const Color&) const;
+        
+    static Color addColorsAndClamp(const Color&, const Color&);
+        
+    bool isZero() const;
+
+    float distance() const;
+        
+private:
+    short m_redDiff;
+    short m_greenDiff;
+    short m_blueDiff;
+};
+}
+
+#endif // ENABLE(SVG)
+#endif // ColorDistance_h