colors

extract colors from pictures
git clone git://git.2f30.org/colors.git
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commit 51562c331a25a3c3548fb5d4d84cd9fd31aeafb2
parent b945d8df203f585a48e1e83d51c98be53ea9f99d
Author: lostd <lostd@2f30.org>
Date:   Thu Jun 11 20:39:33 +0100

Fix comparison function

Two points having the same distance from the center of the cluster does
not mean they are unique.

Diffstat:
colors.c | 6++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/colors.c b/colors.c @@ -56,9 +56,11 @@ distance(struct point *p1, struct point *p2) int pointcmp(struct point *p1, struct point *p2) { - struct point center = { 0 }; + unsigned int a, b; - return distance(&center, p1) - distance(&center, p2); + a = p1->x << 16 | p1->y << 8 | p1->z; + b = p2->x << 16 | p2->y << 8 | p2->z; + return a - b; } RB_PROTOTYPE(pointtree, point, rb_e, pointcmp) RB_GENERATE(pointtree, point, rb_e, pointcmp)