Hi,
The attached patch works as expected in Linux, but in Mac OS the
rectangle with the texture generated by pix_movement is not transparent.
It is a black-and-white opaque image.
[pix_movement] SEEMS to be working as expected and generating the
correct alpha channel (judging from the values I got with a [pix_blob]
in mode "4"), so I think it is [alpha] that is not actually enabling alpha.
I have Linux and don't have a Mac, and when I observed the issue I
couldn't take the time to do the obvious tests (such as trying with a
solid color with alpha and no texture at all, and trying pix_image with
a png image with alpha channel).
Can anybody confirm this?
I also tried sending [alpha] a "1" on the left inlet (not necessary in
linux), just in case alpha was disabled by default in MacOS but that
didn't help.
Is there some extra thing I have to do in order to have alpha work in
Mac OS?
I am using GEM 0.92.3 in Linux and I think the same in Mac (the one
bundled in the latest Pd Extended).
Thanks in advance
m.
#N canvas 559 282 450 300 10;
#X obj 115 111 alpha;
#X obj 116 148 pix_video;
#X obj 115 181 pix_movement 0.2;
#X obj 116 247 rectangle 4 3;
#X obj 264 261 gemwin;
#X obj 246 190 loadbang;
#X msg 248 231 create \, 1 \, frame 6;
#X obj 113 209 pix_texture;
#X obj 306 28 gemhead 1;
#X obj 306 65 color 1 0 0;
#X obj 309 103 rectangle 4 3;
#X obj 115 74 gemhead 2;
#X connect 0 0 1 0;
#X connect 1 0 2 0;
#X connect 2 0 7 0;
#X connect 5 0 6 0;
#X connect 6 0 4 0;
#X connect 7 0 3 0;
#X connect 8 0 9 0;
#X connect 9 0 10 0;
#X connect 11 0 0 0;
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