hi list, I'm new here,
I'm trying to put into pix_buffer a screenshot with pix_snab but it doesn't work well, the pix_buffer_read draws a black image, i thing that could be by the order of render, but i'm not sure in the attach file you will see what I say.
winXP GEM 0.90
some help? thanks,
carles
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Carles Sora wrote:
several things:
meaningful snapshot (if you make a snapshot of an empty gemwin, then the image is likely to be black) 2) [pix_buffer_write] will only write the image into the buffer in the render cycle immediately after the 2nd inlet gets set. (this is kind a means for saving CPU power.) so each time you want to write something into the buffer, you will have to bang the index-number you want to write too (connect the [snap( with a [bang( to the index) 3) [pix_buffer_read] will only update the image when it is told to do so: e.g by (re)setting the index; again, this caching is for performance reasons (and probably sometimes annoying); if you want to force the buffer to be read each cycle, just send bang the index each render cycle.
hope this helps
,fg,asdr IOhannes