mirror of
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68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package graphics
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type GeometryMatrix struct {
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AffineMatrix
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}
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const geometryMatrixDimension = 3
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func NewGeometryMatrix() *GeometryMatrix {
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return &GeometryMatrix{*NewAffineMatrix(geometryMatrixDimension)}
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}
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func IdentityGeometryMatrix() *GeometryMatrix {
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return &GeometryMatrix{*IdentityAffineMatrix(geometryMatrixDimension)}
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}
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func (matrix *GeometryMatrix) Clone() *GeometryMatrix {
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return &GeometryMatrix{*(matrix.AffineMatrix.Clone())}
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}
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func (matrix *GeometryMatrix) A() float64 {
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return matrix.Element(0, 0)
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}
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func (matrix *GeometryMatrix) B() float64 {
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return matrix.Element(0, 1)
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}
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func (matrix *GeometryMatrix) C() float64 {
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return matrix.Element(1, 0)
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}
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func (matrix *GeometryMatrix) D() float64 {
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return matrix.Element(1, 1)
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}
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func (matrix *GeometryMatrix) Tx() float64 {
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return matrix.Element(0, 2)
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}
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func (matrix *GeometryMatrix) Ty() float64 {
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return matrix.Element(1, 2)
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}
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func (matrix *GeometryMatrix) SetA(a float64) {
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matrix.SetElement(0, 0, a)
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}
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func (matrix *GeometryMatrix) SetB(b float64) {
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matrix.SetElement(0, 1, b)
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}
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func (matrix *GeometryMatrix) SetC(c float64) {
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matrix.SetElement(1, 0, c)
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}
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func (matrix *GeometryMatrix) SetD(d float64) {
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matrix.SetElement(1, 1, d)
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}
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func (matrix *GeometryMatrix) SetTx(tx float64) {
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matrix.SetElement(0, 2, tx)
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}
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func (matrix *GeometryMatrix) SetTy(ty float64) {
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matrix.SetElement(1, 2, ty)
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}
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