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+/*
+ * Copyright (C) 2008, 2010 Apple Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+module css {
+
+    // Introduced in DOM Level ?:
+    interface [
+        CanBeConstructed,
+        CustomConstructFunction,
+        ConstructorParameters=1,
+        V8CustomConstructor
+    ] WebKitCSSMatrix {
+
+        // These attributes are simple aliases for certain elements of the 4x4 matrix
+        attribute double a; // alias for m11
+        attribute double b; // alias for m12
+        attribute double c; // alias for m21
+        attribute double d; // alias for m22
+        attribute double e; // alias for m41
+        attribute double f; // alias for m42
+
+        attribute double m11;
+        attribute double m12;
+        attribute double m13;
+        attribute double m14;
+        attribute double m21;
+        attribute double m22;
+        attribute double m23;
+        attribute double m24;
+        attribute double m31;
+        attribute double m32;
+        attribute double m33;
+        attribute double m34;
+        attribute double m41;
+        attribute double m42;
+        attribute double m43;
+        attribute double m44;
+
+        void setMatrixValue(in DOMString string) raises (DOMException);
+        
+        // Multiply this matrix by secondMatrix, on the right (result = this * secondMatrix)
+        [Immutable] WebKitCSSMatrix multiply(in WebKitCSSMatrix secondMatrix);
+        
+        // Return the inverse of this matrix. Throw an exception if the matrix is not invertible
+        [Immutable] WebKitCSSMatrix inverse() raises (DOMException);
+        
+        // Return this matrix translated by the passed values.
+        // Passing a NaN will use a value of 0. This allows the 3D form to used for 2D operations    
+        [Immutable] WebKitCSSMatrix translate(in double x, in double y, in double z);
+        
+        // Returns this matrix scaled by the passed values.
+        // Passing scaleX or scaleZ as NaN uses a value of 1, but passing scaleY of NaN 
+        // makes it the same as scaleX. This allows the 3D form to used for 2D operations
+        [Immutable] WebKitCSSMatrix scale(in double scaleX, in double scaleY, in double scaleZ);
+        
+        // Returns this matrix rotated by the passed values.
+        // If rotY and rotZ are NaN, rotate about Z (rotX=0, rotateY=0, rotateZ=rotX).
+        // Otherwise use a rotation value of 0 for any passed NaN.    
+        [Immutable] WebKitCSSMatrix rotate(in double rotX, in double rotY, in double rotZ);
+        
+        // Returns this matrix rotated about the passed axis by the passed angle.
+        // Passing a NaN will use a value of 0. If the axis is (0,0,0) use a value
+        // of (0,0,1).
+        [Immutable] WebKitCSSMatrix rotateAxisAngle(in double x, in double y, in double z, in double angle);
+
+        // Returns this matrix skewed along the X axis by the passed values.
+        // Passing a NaN will use a value of 0.
+        [Immutable] WebKitCSSMatrix skewX(in double angle);
+
+        // Returns this matrix skewed along the Y axis by the passed values.
+        // Passing a NaN will use a value of 0.
+        [Immutable] WebKitCSSMatrix skewY(in double angle);
+
+        [DontEnum] DOMString toString();
+    };
+
+}