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author | rsc <devnull@localhost> | 2003-09-30 17:47:42 +0000 |
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committer | rsc <devnull@localhost> | 2003-09-30 17:47:42 +0000 |
commit | ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad (patch) | |
tree | ebcd32d20b0df2584bce713fefa87620ecd1cce7 /src/libdraw/drawrepl.c | |
parent | b2cfc4e2e71d0f0a5113ddfbd93c8285cc4d74e4 (diff) | |
download | plan9port-ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad.tar.gz plan9port-ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad.tar.bz2 plan9port-ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad.zip |
Initial import.
Diffstat (limited to 'src/libdraw/drawrepl.c')
-rw-r--r-- | src/libdraw/drawrepl.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/libdraw/drawrepl.c b/src/libdraw/drawrepl.c new file mode 100644 index 00000000..c72fee26 --- /dev/null +++ b/src/libdraw/drawrepl.c @@ -0,0 +1,23 @@ +#include <u.h> +#include <libc.h> +#include <draw.h> + +int +drawreplxy(int min, int max, int x) +{ + int sx; + + sx = (x-min)%(max-min); + if(sx < 0) + sx += max-min; + return sx+min; +} + +Point +drawrepl(Rectangle r, Point p) +{ + p.x = drawreplxy(r.min.x, r.max.x, p.x); + p.y = drawreplxy(r.min.y, r.max.y, p.y); + return p; +} + |