Hi,
this question is half Gtkmm, half Cairomm… I need to draw rectangles on
a pixbuf and I need it to be fast. I could do this accessing the pixels
directly but it's not elegant. ;o)
I tried to wrap a Cairo surface on the pixbuf's pixels but the rowstride
is apparently not computed in the same way.
Before I spend more time on this, is there a way to interface Cairo with
Gdk::Pixbuf without copying all the pixel values twice ?
Thanks,
yann
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