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From http://www.jwz.org/xscreensaver/xscreensaver-5.40.tar.gz
[xscreensaver]
/
hacks
/
testx11.c
diff --git
a/hacks/testx11.c
b/hacks/testx11.c
index 17732d7b6fe9552a3378f44f2382125be135098f..cc2162111171ff5bdef371fb0248fc62c15d1bb8 100644
(file)
--- a/
hacks/testx11.c
+++ b/
hacks/testx11.c
@@
-370,7
+370,8
@@
backdrop (struct testx11 *st, Drawable t)
const float s0 = 2 * M_PI / tile_count;
float y_fac = sin ((y + st->frame / 16.0) * s0);
for (x = 0; x != tile_count; ++x) {
const float s0 = 2 * M_PI / tile_count;
float y_fac = sin ((y + st->frame / 16.0) * s0);
for (x = 0; x != tile_count; ++x) {
- unsigned c = ((sin ((x + st->frame / 8.0) * s0) * y_fac) - 1) / 2 * st->backdrop_ncolors / 2;
+ int c = ((sin ((x + st->frame / 8.0) * s0) * y_fac) - 1) / 2 *
+ st->backdrop_ncolors / 2;
c = (c + st->frame) % st->backdrop_ncolors;
XSetBackground (st->dpy, st->backdrop_black_gc,
st->backdrop_colors[c].pixel);
c = (c + st->frame) % st->backdrop_ncolors;
XSetBackground (st->dpy, st->backdrop_black_gc,
st->backdrop_colors[c].pixel);