On Sunday 21 August 2016 00:25:20 Krzysztof wrote:
> Can you prepare simple demo which show me difference between
> bmo_graymask and without this option? If possible, not using MSE
> wrappers/utils but only pure FPC X11 api. I'm debugging but can't
> catch a point, a lot of distracting code, don't know if problem is in
> tcanvas.internalcopyarea or for example in tsimplebitmap.getmask. I
> would like to see where exactly problem is and compare it on old
> laptop until I have it
>
I suggest to make a program which uses a timagelist.paint() call in
tform.onpaint and to concentrate on gdi_copyarea() in
lib/common/graphics/msex11gdi.pas.
MSEgui can be built ('Build' not 'Make'!) with -dmse_flushgdi which inhibits
the use of an anti flicker pixelbuffer and flushes the X11 queue on every
command which simplifies debugging. It is possible that the problem vanishes
with this setting.
Martin
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