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104 lines
3.4 KiB
C++
104 lines
3.4 KiB
C++
/*
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* Copyright (C) 2005, 2006 Apple Computer, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef AffineTransform_h
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#define AffineTransform_h
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#include <QMatrix>
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namespace WebCore {
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class IntPoint;
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class IntRect;
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class FloatPoint;
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class FloatRect;
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class AffineTransform {
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public:
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AffineTransform();
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AffineTransform(double a, double b, double c, double d, double e, double f);
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AffineTransform(const QMatrix &matrix);
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void setMatrix(double a, double b, double c, double d, double e, double f);
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void map(double x, double y, double *x2, double *y2) const;
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IntPoint mapPoint(const IntPoint&) const;
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FloatPoint mapPoint(const FloatPoint&) const;
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IntRect mapRect(const IntRect&) const;
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FloatRect mapRect(const FloatRect&) const;
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bool isIdentity() const;
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double a() const;
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void setA(double a);
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double b() const;
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void setB(double b);
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double c() const;
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void setC(double c);
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double d() const;
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void setD(double d);
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double e() const;
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void setE(double e);
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double f() const;
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void setF(double f);
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void reset();
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AffineTransform& multiply(const AffineTransform&);
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AffineTransform& scale(double);
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AffineTransform& scale(double sx, double sy);
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AffineTransform& scaleNonUniform(double sx, double sy);
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AffineTransform& rotate(double d);
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AffineTransform& rotateFromVector(double x, double y);
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AffineTransform& translate(double tx, double ty);
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AffineTransform& shear(double sx, double sy);
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AffineTransform& flipX();
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AffineTransform& flipY();
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AffineTransform& skew(double angleX, double angleY);
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AffineTransform& skewX(double angle);
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AffineTransform& skewY(double angle);
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double det() const;
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bool isInvertible() const;
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AffineTransform inverse() const;
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operator QMatrix() const;
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bool operator==(const AffineTransform&) const;
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bool operator!=(const AffineTransform& other) const { return !(*this == other); }
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AffineTransform& operator*=(const AffineTransform&);
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AffineTransform operator*(const AffineTransform&);
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private:
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QMatrix m_transform;
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};
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} // namespace WebCore
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#endif // AffineTransform_h
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