Matrix.untransformBounds

void untransformBounds(graphene.rect.Rect r, graphene.rect.Rect bounds, out graphene.rect.Rect res)

Undoes the transformation on the corners of a #graphene_rect_t using the given matrix, within the given axis aligned rectangular bounds.

Parameters

ra #graphene_rect_t
boundsthe bounds of the transformation
resreturn location for the untransformed rectangle