20 Transforming Points and Vectors
Q3Param2D_Transform
function to apply a transform to a two-dimensional parametric point.
TQ3Param2D *Q3Param2D_Transform ( const TQ3Param2D *param2D, const TQ3Matrix3x3 *matrix3x3, TQ3Param2D *result);param2D
A two-dimensional parametric point.matrix3x3
A 3-by-3 matrix.result
On exit, the point that is the result of multiplyingparam2D
bymatrix3x3
.
Q3Param2D_Transform
function returns, as its function result and in the result
parameter, the parametric point that is the result of multiplying the parametric point param2D
by the matrix transform matrix3x3
. Note that on entry the result
parameter can be the same as the param2D
parameter.
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