I will try that, thank you. Patrick
On Mon, Apr 21, 2014 at 11:21 PM, Werner LEMBERG <[email protected]> wrote: > > > I'm using the following instructions in Xgridfit to turn off dropout > > control: > > > > <pre-program> > > <set-dropout-control flags="0" threshold="0"/> > > <set-dropout-type value="2"/> > > </pre-program> > > > > My understanding is that a pixel should then be rendered if and only > > if its center falls within or on the resulting gridfitted outline? > > Yes, provided Xgridfit doesn't do other nasty things with the > bytecode. You are checking the resulting instructions with a tool > like ttx, I guess... > > > In the attached screenshot from FontForge the coordinates of the > > final gridfitted points are (2,5), (0,7), (10,17) and (12,15) at 27 > > point, 96 dpi. I would then expect that the pixels with centers > > (2.5, 5.5) and (10.5, 16.5), which fall on the resulting outline, > > would be rendered, but they are not. The same relatively positioned > > pixels are also not rendered at other point sizes. > > Similar to Xgridfit, I have no idea how FontForge exactly does its > grid rendering :-) > > Please test with a FreeType demo program like ftview and check the > result with a magnifier. Then you can be certain how FreeType renders > your font using its various rendering modes. > > > Werner >
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