Changeset 19149 for trunk/pswarp/src/pswarpTransformTile.c

Timestamp:

Aug 21, 2008, 10:45:28 AM (18 years ago)

Author:

Paul Price

Message:

round() can push the value beyond the bounds of the image --> SEGV.

File:

• trunk/pswarp/src/pswarpTransformTile.c (modified) (1 diff)

trunk/pswarp/src/pswarpTransformTile.c

@@ -87 +87 @@
 
             // psImagePixelInterpolate determines the value at pixel coordinate (x,y) in child coordinates
-            maskValue = inMaskData ? inMaskData[(int)round(yIn)][(int)round(xIn)] : 0;
+            maskValue = inMaskData ? inMaskData[(int)yIn][(int)xIn] : 0;
             if (!psImageInterpolate(&imageValue, &varValue, &maskValue, xIn, yIn, args->interp)) {
                 psError(PS_ERR_UNKNOWN, false, "Unable to interpolate image.");