/*

 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>

 *

 * 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 COMPUTER, 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 COMPUTER, 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. 

 */

#include "config.h"

#include "AffineTransform.h"

#include "IntRect.h"

#include "FloatRect.h"

namespace WebCore {

AffineTransform::AffineTransform()

    : m_transform()

{

}

AffineTransform::AffineTransform(double a, double b, double c, double d, double tx, double ty)

    : m_transform(a, b, c, d, tx, ty)

{

}

AffineTransform::AffineTransform(const QMatrix& matrix)

    : m_transform(matrix)

{

}

void AffineTransform::setMatrix(double a, double b, double c, double d, double tx, double ty)

{

    m_transform.setMatrix(a, b, c, d, tx, ty);

}

void AffineTransform::map(double x, double y, double* x2, double* y2) const

{

    qreal tx2, ty2;

    m_transform.map(qreal(x), qreal(y), &tx2, &ty2);

    *x2 = tx2;

    *y2 = ty2;

}

IntRect AffineTransform::mapRect(const IntRect& rect) const

{

    return m_transform.mapRect(rect);

}

FloatRect AffineTransform::mapRect(const FloatRect& rect) const

{

    return m_transform.mapRect(rect);

}

bool AffineTransform::isIdentity() const

{

    return m_transform.isIdentity();

}

double AffineTransform::a() const

{

    return m_transform.m11();

}

void AffineTransform::setA(double a)

{

    m_transform.setMatrix(a, b(), c(), d(), e(), f());

}

double AffineTransform::b() const

{

    return m_transform.m12();

}

void AffineTransform::setB(double b)

{

    m_transform.setMatrix(a(), b, c(), d(), e(), f());

}

double AffineTransform::c() const

{

    return m_transform.m21();

}

void AffineTransform::setC(double c)

{

    m_transform.setMatrix(a(), b(), c, d(), e(), f());

}

double AffineTransform::d() const

{

    return m_transform.m22();

}

void AffineTransform::setD(double d)

{

    m_transform.setMatrix(a(), b(), c(), d, e(), f());

}

double AffineTransform::e() const

{

    return m_transform.dx();

}

void AffineTransform::setE(double e)

{

    m_transform.setMatrix(a(), b(), c(), d(), e, f());

}

double AffineTransform::f() const

{

    return m_transform.dy();

}

void AffineTransform::setF(double f)

{

    m_transform.setMatrix(a(), b(), c(), d(), e(), f);

}

void AffineTransform::reset()

{

    m_transform.reset();

}

AffineTransform& AffineTransform::scale(double sx, double sy)

{

    m_transform.scale(sx, sy);

    return *this;

}

AffineTransform& AffineTransform::rotate(double d)

{

    m_transform.rotate(d);

    return *this;

}

AffineTransform& AffineTransform::translate(double tx, double ty)

{

    m_transform.translate(tx, ty);

    return *this;

}

AffineTransform& AffineTransform::shear(double sx, double sy)

{

    m_transform.shear(sx, sy);

    return *this;

}

double AffineTransform::det() const

{

    return m_transform.det();

}

AffineTransform AffineTransform::inverse() const

{

    if(!isInvertible())

        return AffineTransform();

    return m_transform.inverted();

}

AffineTransform::operator QMatrix() const

{

    return m_transform;

}

bool AffineTransform::operator==(const AffineTransform& other) const

{

    return m_transform == other.m_transform;

}

AffineTransform& AffineTransform::operator*=(const AffineTransform& other)

{

    m_transform *= other.m_transform;

    return *this;

}

AffineTransform AffineTransform::operator*(const AffineTransform& other)

{

    return m_transform * other.m_transform;

}

}

// vim: ts=4 sw=4 et