Changeset 423 for pwntchaTweet

Timestamp:

Jan 5, 2005, 6:02:53 PM (18 years ago)

Author:

Sam Hocevar

Message:

• fixed a bug in scode.c that was missing bottom lines
• work with colour images

File:

• pwntcha/trunk/src/scode.c (modified) (3 diffs)

pwntcha/trunk/src/scode.c

@@ -23 +23 @@
 {
     char *result;
-    int stats[256];
+    int stats[3 * 256];
     int x, y, i, incell = 0, cur = 0, xmin = 0;
     int r, g, b;
@@ -30 +30 @@
     /* allocate enough place */
     result = malloc(1024 * sizeof(char));
+
+    tmp1 = filter_dup(img);
+
+    /* Remove border */
+    getpixel(img, 1, 1, &r, &g, &b);
+    for(y = 0; y < img->height; y++)
+    {
+        setpixel(tmp1, 0, y, r, g, b);
+        setpixel(tmp1, img->width - 1, y, r, g, b);
+    }
+
+    for(x = 0; x < img->width; x++)
+    {
+        setpixel(tmp1, x, 0, r, g, b);
+        setpixel(tmp1, x, img->height - 1, r, g, b);
+    }
 
     /* Detect background: first and last 3 lines */
@@ -38 +54 @@
         for(x = 0; x < img->width; x++)
         {
-            getpixel(img, x, y, &r, &g, &b);
-            stats[r]++;
-            getpixel(img, x, img->width - 1 - y, &r, &g, &b);
-            stats[r]++;
+            getpixel(tmp1, x, y, &r, &g, &b);
+            stats[r + g + b]++;
+            getpixel(tmp1, x, img->height - 1 - y, &r, &g, &b);
+            stats[r + g + b]++;
         }
 
     /* Set non-background colours to 0 */
-    tmp1 = image_new(img->width, img->height);
-
     for(y = 0; y < img->height; y++)
         for(x = 0; x < img->width; x++)
         {
-            getpixel(img, x, y, &r, &g, &b);
-            if(stats[r])
+            getpixel(tmp1, x, y, &r, &g, &b);
+            if(stats[r + g + b])
                 setpixel(tmp1, x, y, 255, 255, 255);
             else