/*

 * Copyright (C) 2008 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. 

 */

#ifndef WebKitCSSMatrix_h

#define WebKitCSSMatrix_h

#include "ExceptionCode.h"

#include "PlatformString.h"

#include "StyleBase.h"

#include "TransformationMatrix.h"

#include <wtf/PassRefPtr.h>

#include <wtf/RefPtr.h>

namespace WebCore {

class WebKitCSSMatrix : public StyleBase {

public:

    static PassRefPtr<WebKitCSSMatrix> create()

    {

        return adoptRef(new WebKitCSSMatrix());

    }

    static PassRefPtr<WebKitCSSMatrix> create(const WebKitCSSMatrix& m)

    {

        return adoptRef(new WebKitCSSMatrix(m));

    }

    static PassRefPtr<WebKitCSSMatrix> create(const TransformationMatrix& m)

    {

        return adoptRef(new WebKitCSSMatrix(m));

    }

    static PassRefPtr<WebKitCSSMatrix> create(const String& s, ExceptionCode& ec)

    {

        return adoptRef(new WebKitCSSMatrix(s, ec));

    }

    virtual ~WebKitCSSMatrix();

    double a() const { return m_matrix.a(); }

    double b() const { return m_matrix.b(); }

    double c() const { return m_matrix.c(); }

    double d() const { return m_matrix.d(); }

    double e() const { return m_matrix.e(); }

    double f() const { return m_matrix.f(); }

    void setA(double f) { m_matrix.setA(f); }

    void setB(double f) { m_matrix.setB(f); }

    void setC(double f) { m_matrix.setC(f); }

    void setD(double f) { m_matrix.setD(f); }

    void setE(double f) { m_matrix.setE(f); }

    void setF(double f) { m_matrix.setF(f); }

    double m11() const { return m_matrix.m11(); }

    double m12() const { return m_matrix.m12(); }

    double m13() const { return m_matrix.m13(); }

    double m14() const { return m_matrix.m14(); }

    double m21() const { return m_matrix.m21(); }

    double m22() const { return m_matrix.m22(); }

    double m23() const { return m_matrix.m23(); }

    double m24() const { return m_matrix.m24(); }

    double m31() const { return m_matrix.m31(); }

    double m32() const { return m_matrix.m32(); }

    double m33() const { return m_matrix.m33(); }

    double m34() const { return m_matrix.m34(); }

    double m41() const { return m_matrix.m41(); }

    double m42() const { return m_matrix.m42(); }

    double m43() const { return m_matrix.m43(); }

    double m44() const { return m_matrix.m44(); }

    void setM11(double f) { m_matrix.setM11(f); }

    void setM12(double f) { m_matrix.setM12(f); }

    void setM13(double f) { m_matrix.setM13(f); }

    void setM14(double f) { m_matrix.setM14(f); }

    void setM21(double f) { m_matrix.setM21(f); }

    void setM22(double f) { m_matrix.setM22(f); }

    void setM23(double f) { m_matrix.setM23(f); }

    void setM24(double f) { m_matrix.setM24(f); }

    void setM31(double f) { m_matrix.setM31(f); }

    void setM32(double f) { m_matrix.setM32(f); }

    void setM33(double f) { m_matrix.setM33(f); }

    void setM34(double f) { m_matrix.setM34(f); }

    void setM41(double f) { m_matrix.setM41(f); }

    void setM42(double f) { m_matrix.setM42(f); }

    void setM43(double f) { m_matrix.setM43(f); }

    void setM44(double f) { m_matrix.setM44(f); }

    void setMatrixValue(const String& string, ExceptionCode&);

    // The following math function return a new matrix with the 

    // specified operation applied. The this value is not modified.

    // Multiply this matrix by secondMatrix, on the right (result = this * secondMatrix)

    PassRefPtr<WebKitCSSMatrix> multiply(WebKitCSSMatrix* secondMatrix) const;

    // Return the inverse of this matrix. Throw an exception if the matrix is not invertible

    PassRefPtr<WebKitCSSMatrix> inverse(ExceptionCode&) const;

    // 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

    // Operation is performed as though the this matrix is multiplied by a matrix with

    // the translation values on the left (result = translation(x,y,z) * this)

    PassRefPtr<WebKitCSSMatrix> translate(double x, double y, double z) const;

    // 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

    // Operation is performed as though the this matrix is multiplied by a matrix with

    // the scale values on the left (result = scale(x,y,z) * this)

    PassRefPtr<WebKitCSSMatrix> scale(double scaleX, double scaleY, double scaleZ) const;

    // 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.    

    // Operation is performed as though the this matrix is multiplied by a matrix with

    // the rotation values on the left (result = rotation(x,y,z) * this)

    PassRefPtr<WebKitCSSMatrix> rotate(double rotX, double rotY, double rotZ) const;

    // 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

    // Operation is performed as though the this matrix is multiplied by a matrix with

    // the rotation values on the left (result = rotation(x,y,z,angle) * this)

    PassRefPtr<WebKitCSSMatrix> rotateAxisAngle(double x, double y, double z, double angle) const;

    const TransformationMatrix& transform() const { return m_matrix; }

    String toString() const;

protected:

    WebKitCSSMatrix();

    WebKitCSSMatrix(const WebKitCSSMatrix&);

    WebKitCSSMatrix(const TransformationMatrix&);

    WebKitCSSMatrix(const String&, ExceptionCode&);

    TransformationMatrix m_matrix;

};

} // namespace WebCore

#endif // WebKitCSSMatrix_h