Changeset 417 for pwntchaTweet

Timestamp:

Jan 4, 2005, 7:43:28 PM (17 years ago)

Author:

Sam Hocevar

Message:

• do equalizing on grayscale image.

File:

• pwntcha/trunk/src/filters.c (modified) (1 diff)

pwntcha/trunk/src/filters.c

@@ -217 +217 @@
     }
 
-    for(y = 0; y < img->height; y++)
-        for(x = 0; x < img->width; x++)
-        {
-            getpixel(img, x, y, &r, &g, &b);
-            if(r < threshold)
+    threshold *= 3;
+
+    for(y = 0; y < img->height; y++)
+        for(x = 0; x < img->width; x++)
+        {
+            getpixel(img, x, y, &r, &g, &b);
+            if(r + g + b < threshold)
                 setpixel(dst, x, y, min, min, min);
             else