Transforms the distance vector (
matrix. This is
cairoMatrixTransformPoint except that the translation
components of the transformation are ignored. The calculation of
the returned vector is as follows:
[numeric] X component of a distance vector. An in/out parameter
[numeric] Y component of a distance vector. An in/out parameter
dx2 = dx1 * a + dy1 * c; dy2 = dx1 * b + dy1 * d;
Affine transformations are position invariant, so the same vector
always transforms to the same vector. If (
y2) then (
dy1) will transform to
dy2) for all values of
Derived by RGtkGen from GTK+ documentation
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