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26 #ifndef WebKitCSSMatrix_h
27 #define WebKitCSSMatrix_h
29 #include "PlatformString.h"
30 #include "TransformationMatrix.h"
31 #include <wtf/RefCounted.h>
32 #include <wtf/RefPtr.h>
36 typedef int ExceptionCode;
38 class WebKitCSSMatrix : public RefCounted<WebKitCSSMatrix> {
40 static PassRefPtr<WebKitCSSMatrix> create(const TransformationMatrix& m)
42 return adoptRef(new WebKitCSSMatrix(m));
44 static PassRefPtr<WebKitCSSMatrix> create(const String& s, ExceptionCode& ec)
46 return adoptRef(new WebKitCSSMatrix(s, ec));
49 virtual ~WebKitCSSMatrix();
51 double a() const { return m_matrix.a(); }
52 double b() const { return m_matrix.b(); }
53 double c() const { return m_matrix.c(); }
54 double d() const { return m_matrix.d(); }
55 double e() const { return m_matrix.e(); }
56 double f() const { return m_matrix.f(); }
58 void setA(double f) { m_matrix.setA(f); }
59 void setB(double f) { m_matrix.setB(f); }
60 void setC(double f) { m_matrix.setC(f); }
61 void setD(double f) { m_matrix.setD(f); }
62 void setE(double f) { m_matrix.setE(f); }
63 void setF(double f) { m_matrix.setF(f); }
65 double m11() const { return m_matrix.m11(); }
66 double m12() const { return m_matrix.m12(); }
67 double m13() const { return m_matrix.m13(); }
68 double m14() const { return m_matrix.m14(); }
69 double m21() const { return m_matrix.m21(); }
70 double m22() const { return m_matrix.m22(); }
71 double m23() const { return m_matrix.m23(); }
72 double m24() const { return m_matrix.m24(); }
73 double m31() const { return m_matrix.m31(); }
74 double m32() const { return m_matrix.m32(); }
75 double m33() const { return m_matrix.m33(); }
76 double m34() const { return m_matrix.m34(); }
77 double m41() const { return m_matrix.m41(); }
78 double m42() const { return m_matrix.m42(); }
79 double m43() const { return m_matrix.m43(); }
80 double m44() const { return m_matrix.m44(); }
82 void setM11(double f) { m_matrix.setM11(f); }
83 void setM12(double f) { m_matrix.setM12(f); }
84 void setM13(double f) { m_matrix.setM13(f); }
85 void setM14(double f) { m_matrix.setM14(f); }
86 void setM21(double f) { m_matrix.setM21(f); }
87 void setM22(double f) { m_matrix.setM22(f); }
88 void setM23(double f) { m_matrix.setM23(f); }
89 void setM24(double f) { m_matrix.setM24(f); }
90 void setM31(double f) { m_matrix.setM31(f); }
91 void setM32(double f) { m_matrix.setM32(f); }
92 void setM33(double f) { m_matrix.setM33(f); }
93 void setM34(double f) { m_matrix.setM34(f); }
94 void setM41(double f) { m_matrix.setM41(f); }
95 void setM42(double f) { m_matrix.setM42(f); }
96 void setM43(double f) { m_matrix.setM43(f); }
97 void setM44(double f) { m_matrix.setM44(f); }
99 void setMatrixValue(const String&, ExceptionCode&);
101 // The following math function return a new matrix with the
102 // specified operation applied. The this value is not modified.
104 // Multiply this matrix by secondMatrix, on the right (result = this * secondMatrix)
105 PassRefPtr<WebKitCSSMatrix> multiply(WebKitCSSMatrix* secondMatrix) const;
107 // Return the inverse of this matrix. Throw an exception if the matrix is not invertible
108 PassRefPtr<WebKitCSSMatrix> inverse(ExceptionCode&) const;
110 // Return this matrix translated by the passed values.
111 // Passing a NaN will use a value of 0. This allows the 3D form to used for 2D operations
112 // Operation is performed as though the this matrix is multiplied by a matrix with
113 // the translation values on the left (result = translation(x,y,z) * this)
114 PassRefPtr<WebKitCSSMatrix> translate(double x, double y, double z) const;
116 // Returns this matrix scaled by the passed values.
117 // Passing scaleX or scaleZ as NaN uses a value of 1, but passing scaleY of NaN
118 // makes it the same as scaleX. This allows the 3D form to used for 2D operations
119 // Operation is performed as though the this matrix is multiplied by a matrix with
120 // the scale values on the left (result = scale(x,y,z) * this)
121 PassRefPtr<WebKitCSSMatrix> scale(double scaleX, double scaleY, double scaleZ) const;
123 // Returns this matrix rotated by the passed values.
124 // If rotY and rotZ are NaN, rotate about Z (rotX=0, rotateY=0, rotateZ=rotX).
125 // Otherwise use a rotation value of 0 for any passed NaN.
126 // Operation is performed as though the this matrix is multiplied by a matrix with
127 // the rotation values on the left (result = rotation(x,y,z) * this)
128 PassRefPtr<WebKitCSSMatrix> rotate(double rotX, double rotY, double rotZ) const;
130 // Returns this matrix rotated about the passed axis by the passed angle.
131 // Passing a NaN will use a value of 0. If the axis is (0,0,0) use a value
132 // Operation is performed as though the this matrix is multiplied by a matrix with
133 // the rotation values on the left (result = rotation(x,y,z,angle) * this)
134 PassRefPtr<WebKitCSSMatrix> rotateAxisAngle(double x, double y, double z, double angle) const;
136 // Return this matrix skewed along the X axis by the passed values.
137 // Passing a NaN will use a value of 0.
138 // Operation is performed as though the this matrix is multiplied by a matrix with
139 // the skew values on the left (result = skewX(angle) * this)
140 PassRefPtr<WebKitCSSMatrix> skewX(double angle) const;
142 // Return this matrix skewed along the Y axis by the passed values.
143 // Passing a NaN will use a value of 0.
144 // Operation is performed as though the this matrix is multiplied by a matrix with
145 // the skew values on the left (result = skewY(angle) * this)
146 PassRefPtr<WebKitCSSMatrix> skewY(double angle) const;
148 const TransformationMatrix& transform() const { return m_matrix; }
150 String toString() const;
153 WebKitCSSMatrix(const TransformationMatrix&);
154 WebKitCSSMatrix(const String&, ExceptionCode&);
156 TransformationMatrix m_matrix;
159 } // namespace WebCore
161 #endif // WebKitCSSMatrix_h