/* * 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 "TransformationMatrix.h" #include namespace WebCore { class WebKitCSSMatrix : public RefCounted { public: static PassRefPtr create(const TransformationMatrix& m) { return adoptRef(new WebKitCSSMatrix(m)); } static PassRefPtr 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&, 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 multiply(WebKitCSSMatrix* secondMatrix) const; // Return the inverse of this matrix. Throw an exception if the matrix is not invertible PassRefPtr 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 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 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 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 rotateAxisAngle(double x, double y, double z, double angle) const; // Return this matrix skewed along the X axis by the passed values. // Passing a NaN will use a value of 0. // Operation is performed as though the this matrix is multiplied by a matrix with // the skew values on the left (result = skewX(angle) * this) PassRefPtr skewX(double angle) const; // Return this matrix skewed along the Y axis by the passed values. // Passing a NaN will use a value of 0. // Operation is performed as though the this matrix is multiplied by a matrix with // the skew values on the left (result = skewY(angle) * this) PassRefPtr skewY(double angle) const; const TransformationMatrix& transform() const { return m_matrix; } String toString() const; protected: WebKitCSSMatrix(const TransformationMatrix&); WebKitCSSMatrix(const String&, ExceptionCode&); TransformationMatrix m_matrix; }; } // namespace WebCore #endif // WebKitCSSMatrix_h