Changeset 2620 for libpipi/trunk/pipi/pixels.cTweet

Timestamp:

Aug 1, 2008, 12:02:34 AM (15 years ago)

Author:

Sam Hocevar

Message:

• pixels.c: clamp pixels in the float32 -> rgba32 conversion to avoid artifacts.

File:

• libpipi/trunk/pipi/pixels.c (modified) (1 diff)

libpipi/trunk/pipi/pixels.c

@@ -98 +98 @@
 
                     p = src[4 * (y * img->w + x) + i];
-                    d = (int)(255.999 * pow(p, 1. / GAMMA));
+
+                    if(p < 0.) d = 0.;
+                    else if(p > 1.) d = 255;
+                    else d = (int)(255.999 * pow(p, 1. / GAMMA));
+
                     dest[4 * (y * img->w + x) + i] = d;