Add color cursor support

Alexandre Julliard julliard at winehq.com
Wed Dec 19 18:43:59 CST 2001


Duane Clark <dclark at leewardfpga.com> writes:

> The main ugly hack that is performed here is in determining whether a
> pixel is a foreground or background pixel. This is done by adding the
> red, green and blue values for each pixel, and testing whether they
> exceed an arbitrary threshold. This should probably be a reasonably
> safe method, since presumably any cursor will have a high level of
> contrast between foreground and background colors.

It's reasonable, but you should be doing this locally in the X image
before transferring it to the server; painting the pixmap in the
server pixel by pixel is going to be quite slow. And you may want to
have a look at CURSORICON_IconToCursor, it does something similar.

-- 
Alexandre Julliard
julliard at winehq.com




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