Changeset 2602Tweet

Timestamp:

07/29/08 01:01:17 (5 years ago)

Author:

sam

Message:

• pixels.c: do not return a white pixel when calling getpixel() outside the image boundaries; instead, return the closest pixel in the image.

File:

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

libpipi/trunk/pipi/pixels.c

@@ -50 +50 @@
     uint8_t *pixel;
 
-    if(x < 0 || y < 0 || x >= img->width || y >= img->height)
-    {
-        *r = *g = *b = 1.;
-        return -1;
-    }
+    if(x < 0) x = 0;
+    else if(x >= img->width) x = img->width - 1;
+
+    if(y < 0) y = 0;
+    else if(y >= img->height) y = img->height - 1;
 
     pixel = img->pixels + y * img->pitch + x * img->channels;