1 files changed, 125 insertions, 0 deletions
diff --git a/Source/WebCore/svg/SVGMatrixValue.h b/Source/WebCore/svg/SVGMatrixValue.h
new file mode 100644
index 000000000..e02244b86
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+++ b/Source/WebCore/svg/SVGMatrixValue.h
@@ -0,0 +1,125 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#include "AffineTransform.h"
+#include "ExceptionOr.h"
+#include "SVGException.h"
+
+namespace WebCore {
+
+class SVGMatrixValue final : public AffineTransform {
+public:
+    SVGMatrixValue() = default;
+
+    SVGMatrixValue(const AffineTransform& other)
+        : AffineTransform(other)
+    {
+    }
+
+    SVGMatrixValue(double a, double b, double c, double d, double e, double f)
+        : AffineTransform(a, b, c, d, e, f)
+    {
+    }
+
+    SVGMatrixValue translate(double tx, double ty)
+    {
+        AffineTransform copy { *this };
+        copy.translate(tx, ty);
+        return SVGMatrixValue { copy };
+    }
+
+    SVGMatrixValue scale(double s)
+    {
+        AffineTransform copy { *this };
+        copy.scale(s, s);
+        return SVGMatrixValue { copy };
+    }
+
+    SVGMatrixValue scaleNonUniform(double sx, double sy)
+    {
+        AffineTransform copy { *this };
+        copy.scale(sx, sy);
+        return SVGMatrixValue { copy };
+    }
+
+    SVGMatrixValue rotate(double d)
+    {
+        AffineTransform copy { *this };
+        copy.rotate(d);
+        return SVGMatrixValue { copy };
+    }
+
+    SVGMatrixValue flipX()
+    {
+        AffineTransform copy { *this };
+        copy.flipX();
+        return SVGMatrixValue { copy };
+    }
+
+    SVGMatrixValue flipY()
+    {
+        AffineTransform copy { *this };
+        copy.flipY();
+        return SVGMatrixValue { copy };
+    }
+
+    SVGMatrixValue skewX(double angle)
+    {
+        AffineTransform copy { *this };
+        copy.skewX(angle);
+        return SVGMatrixValue { copy };
+    }
+
+    SVGMatrixValue skewY(double angle)
+    {
+        AffineTransform copy { *this };
+        copy.skewY(angle);
+        return SVGMatrixValue { copy };
+    }
+
+    SVGMatrixValue multiply(const SVGMatrixValue& other)
+    {
+        AffineTransform copy { *this };
+        copy *= static_cast<const AffineTransform&>(other);
+        return SVGMatrixValue { copy };
+    }
+
+    ExceptionOr<SVGMatrixValue> inverse() const
+    {
+        if (auto inverse = AffineTransform::inverse())
+            return SVGMatrixValue { inverse.value() };
+        
+        return Exception { SVGException::SVG_MATRIX_NOT_INVERTABLE };
+    }
+
+    ExceptionOr<SVGMatrixValue> rotateFromVector(double x, double y)
+    {
+        if (!x || !y)
+            return Exception { SVGException::SVG_INVALID_VALUE_ERR };
+
+        AffineTransform copy { *this };
+        copy.rotateFromVector(x, y);
+        return SVGMatrixValue { copy };
+    }
+
+};
+
+} // namespace WebCore