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Re: [PATCH] Option to subtract soldermask from silkscreen in gerber output


Using OR instead of COPY in blitting does not produce equivalent
resuilts. Now the appearance of one layer depends on what was drawn
"below" it.


On Sun, Dec 12, 2010 at 4:33 AM, Dick Hollenbeck <dick@xxxxxxxxxxx> wrote:
> However, I found some significant speed ups:
> 1) not using GR_OR mode when erasing the background of a negative layer.
> 2) not using the mask in the Blit() function but rather use wxOR there, which seems to
> be signicantly faster for some reason.
> The two changes together are extremely snappy.
> Please test to make sure this code is equivalent with respect to display results.

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