[cairo] The right approach to projective transformations
spitzak at gmail.com
Tue Aug 31 10:52:27 PDT 2010
Behdad Esfahbod wrote:
> Right. But we should be careful not adding yet another space.
> cairo_user_to_device_distance() will suffer no matter what.
I think this will have to return the device distance between the
transforms of 0,0 and x,y.
Or maybe the current point and the current point plus x,y?
I am pretty certain that returning a dx,dy,dw value is useless. The
delta of the w cannot be used to figure out any useful aspect of the
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