/* * Copyright (C) 2005, 2006 Apple Computer, 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 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. */ #ifndef AffineTransform_h #define AffineTransform_h #if __APPLE__ // FIXME: Implementation is currently completely CG-specific, but soon to be fixed. #include <CoreGraphics/CGAffineTransform.h> namespace WebCore { class IntRect; class FloatRect; class AffineTransform { public: AffineTransform(); AffineTransform(double a, double b, double c, double d, double tx, double ty); AffineTransform(CGAffineTransform transform); void setMatrix(double a, double b, double c, double d, double tx, double ty); void map(double x, double y, double *x2, double *y2) const; IntRect mapRect(const IntRect&) const; FloatRect mapRect(const FloatRect&) const; bool isIdentity() const; double m11() const { return m_transform.a; } double m12() const { return m_transform.b; } double m21() const { return m_transform.c; } double m22() const { return m_transform.d; } double dx() const { return m_transform.tx; } double dy() const { return m_transform.ty; } void reset(); AffineTransform &scale(double sx, double sy); AffineTransform &rotate(double d); AffineTransform &translate(double tx, double ty); AffineTransform &shear(double sx, double sy); double det() const; bool isInvertible() const; AffineTransform invert() const; operator CGAffineTransform() const; bool operator==(const AffineTransform&) const; AffineTransform& operator*=(const AffineTransform&); AffineTransform operator*(const AffineTransform&); private: CGAffineTransform m_transform; }; } #endif // __APPLE__ #endif