check for under/overflow
diff --git a/MagickCore/effect.c b/MagickCore/effect.c
index 38f89c3..6b6621c 100644
--- a/MagickCore/effect.c
+++ b/MagickCore/effect.c
@@ -288,8 +288,8 @@
center,
j;
- j=(ssize_t) ceil((double) width*(1.0-QuantumScale*
- GetPixelIntensity(edge_image,r))-0.5);
+ j=MagickDoubleToLong(ceil((double) width*(1.0-QuantumScale*
+ GetPixelIntensity(edge_image,r))-0.5));
if (j < 0)
j=0;
else
@@ -609,8 +609,8 @@
center,
j;
- j=(ssize_t) ceil((double) width*(1.0-QuantumScale*
- GetPixelIntensity(edge_image,r))-0.5);
+ j=MagickDoubleToLong(ceil((double) width*(1.0-QuantumScale*
+ GetPixelIntensity(edge_image,r))-0.5));
if (j < 0)
j=0;
else
@@ -2402,8 +2402,10 @@
point.y=(double) width*cos(DegreesToRadians(angle));
for (i=0; i < (ssize_t) width; i++)
{
- offset[i].x=(ssize_t) ceil((double) (i*point.y)/hypot(point.x,point.y)-0.5);
- offset[i].y=(ssize_t) ceil((double) (i*point.x)/hypot(point.x,point.y)-0.5);
+ offset[i].x=MagickDoubleToLong(ceil((double) (i*point.y)/
+ hypot(point.x,point.y)-0.5));
+ offset[i].y=MagickDoubleToLong(ceil((double) (i*point.x)/
+ hypot(point.x,point.y)-0.5));
}
/*
Motion blur image.
