On Fri, Nov 01, 2013 at 11:19:48PM +0200, Marko Mäkelä wrote:
If I change the assignment to isTrueColor=false, the square goes away
and I will get the familiar gray rectangles on the screen (from the
"else" block that I omitted above).
I did some further studying. The truecolor OSD was implemented early
2011. As far as I understand, the softdevice plugin is converting
palette-based bitmaps into an ARGB layer. There is a comment at the end
of the definition of class cOsd in osd.h that shows how the conversion
should be done.
It looks like I should simply follow this example, possibly implementing
some kind of threshold mapping on the Alpha channel in case the Matrox
does not implement 8-bit translucency but just a 1-bit transparency
flag. So, I will try to remove the palette mapping from SoftOsd.c and
replace the GetBitmap() call with the RenderPixmaps() loop.
Best regards,
Marko
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