[Bf-blender-cvs] [494ba42254b] blender2.8: GreasePencil: division by zero when stroke has one point

[Dalai Felinto]

Commit: 494ba42254b4588f2c528a528741fd8f2e52bcb2
Author: Dalai Felinto
Date:   Fri Nov 9 09:57:37 2018 -0200
Branches: blender2.8
https://developer.blender.org/rB494ba42254b4588f2c528a528741fd8f2e52bcb2

GreasePencil: division by zero when stroke has one point

Error "runtime error: division by zero" when opening:
"Sketch 1 demo by Brain Graft.blend"

===================================================================

M	source/blender/editors/gpencil/gpencil_utils.c

===================================================================

diff --git a/source/blender/editors/gpencil/gpencil_utils.c b/source/blender/editors/gpencil/gpencil_utils.c
index 41ea3a2138d..0098d99e581 100644
--- a/source/blender/editors/gpencil/gpencil_utils.c
+++ b/source/blender/editors/gpencil/gpencil_utils.c
@@ -1835,15 +1835,21 @@ void ED_gpencil_calc_stroke_uv(Object *ob, bGPDstroke *gps)
 		totlen += len_v3v3(&pt->x, &ptb->x) / pixsize;
 		pt->uv_fac = totlen;
 	}
+
 	/* normalize the distance using a factor */
 	float factor;
+
 	/* if image, use texture width */
 	if ((gp_style) && (gp_style->sima)) {
 		factor = gp_style->sima->gen_x;
 	}
+	else if (totlen == 0) {
+		return;
+	}
 	else {
 		factor = totlen;
 	}
+
 	for (i = 0; i < gps->totpoints; i++) {
 		pt = &gps->points[i];
 		pt->uv_fac /= factor;