From 6b70adc33054f8aee8c54d0f460458a9df11b8a5 Mon Sep 17 00:00:00 2001
From: Russell Brenner <russellbrenner@google.com>
Date: Thu, 18 Nov 2010 17:33:13 -0800
Subject: Merge WebKit at r72274: Initial merge by git.

Change-Id: Ie51f0b4a16da82942bd516dce59cfb79ebbe25fb
---
 WebCore/svg/SVGMatrix.h | 131 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 WebCore/svg/SVGMatrix.h

(limited to 'WebCore/svg/SVGMatrix.h')

diff --git a/WebCore/svg/SVGMatrix.h b/WebCore/svg/SVGMatrix.h
new file mode 100644
index 0000000..807b703
--- /dev/null
+++ b/WebCore/svg/SVGMatrix.h
@@ -0,0 +1,131 @@
+/*
+ * 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 SVGMatrix_h
+#define SVGMatrix_h
+
+#if ENABLE(SVG)
+#include "AffineTransform.h"
+#include "SVGException.h"
+
+namespace WebCore {
+
+// Only used in the bindings.
+class SVGMatrix : public AffineTransform {
+public:
+    SVGMatrix() { }
+    SVGMatrix(const AffineTransform& other)
+        : AffineTransform(other)
+    {
+    }
+
+    SVGMatrix(double a, double b, double c, double d, double e, double f)
+        : AffineTransform(a, b, c, d, e, f)
+    {
+    }
+
+    SVGMatrix translate(double tx, double ty)
+    {
+        AffineTransform copy = *this;
+        copy.translate(tx, ty);
+        return static_cast<SVGMatrix>(copy);
+    }
+
+    SVGMatrix scale(double s)
+    {
+        AffineTransform copy = *this;
+        copy.scale(s, s);
+        return static_cast<SVGMatrix>(copy);
+    }
+
+    SVGMatrix scaleNonUniform(double sx, double sy)
+    {
+        AffineTransform copy = *this;
+        copy.scale(sx, sy);
+        return static_cast<SVGMatrix>(copy);
+    }
+
+    SVGMatrix rotate(double d)
+    {
+        AffineTransform copy = *this;
+        copy.rotate(d);
+        return static_cast<SVGMatrix>(copy);
+    }
+
+    SVGMatrix flipX()
+    {
+        AffineTransform copy = *this;
+        copy.flipX();
+        return static_cast<SVGMatrix>(copy);
+    }
+
+    SVGMatrix flipY()
+    {
+        AffineTransform copy = *this;
+        copy.flipY();
+        return static_cast<SVGMatrix>(copy);
+    }
+
+    SVGMatrix skewX(double angle)
+    {
+        AffineTransform copy = *this;
+        copy.skewX(angle);
+        return static_cast<SVGMatrix>(copy);
+    }
+
+    SVGMatrix skewY(double angle)
+    {
+        AffineTransform copy = *this;
+        copy.skewY(angle);
+        return static_cast<SVGMatrix>(copy);
+    }
+
+    // SVGMatrix::multiply needs to call SVGMatrix::multLeft.
+    SVGMatrix multiply(const SVGMatrix& other)
+    {
+        AffineTransform copy = *this;
+        copy.multLeft(static_cast<const AffineTransform&>(other));
+        return static_cast<SVGMatrix>(copy);
+    }
+
+    SVGMatrix inverse(ExceptionCode& ec) const
+    {
+        AffineTransform transform = AffineTransform::inverse();
+        if (!isInvertible())
+            ec = SVGException::SVG_MATRIX_NOT_INVERTABLE;
+
+        return transform;
+    }
+
+    SVGMatrix rotateFromVector(double x, double y, ExceptionCode& ec)
+    {
+        if (!x || !y)
+            ec = SVGException::SVG_INVALID_VALUE_ERR;
+
+        AffineTransform copy = *this;
+        copy.rotateFromVector(x, y);
+        return static_cast<SVGMatrix>(copy);
+    }
+
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(SVG)
+#endif
-- 
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