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Diffstat (limited to 'Source/WebCore/css/WebKitCSSMatrix.h')
| -rw-r--r-- | Source/WebCore/css/WebKitCSSMatrix.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/Source/WebCore/css/WebKitCSSMatrix.h b/Source/WebCore/css/WebKitCSSMatrix.h new file mode 100644 index 0000000..107bf8b --- /dev/null +++ b/Source/WebCore/css/WebKitCSSMatrix.h @@ -0,0 +1,159 @@ +/* + * 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 <wtf/RefPtr.h> + +namespace WebCore { + +class WebKitCSSMatrix : public RefCounted<WebKitCSSMatrix> { +public: + 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&, 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; + + // 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<WebKitCSSMatrix> 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<WebKitCSSMatrix> 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 |