Transforms the distance vector (dx,dy) by matrix. This is similar to cairo_matrix_transform_point() except that the translation components of the transformation are ignored. The calculation of Since 1.0
X component of a distance vector. An in/out parameter
Y component of a distance vector. An in/out parameter
See Implementation
Transforms the distance vector (dx,dy) by matrix. This is similar to cairo_matrix_transform_point() except that the translation components of the transformation are ignored. The calculation of Since 1.0