From http://www.jwz.org/xscreensaver/xscreensaver-5.38.tar.gz

[xscreensaver] / hacks / barcode.c

diff --git a/hacks/barcode.c b/hacks/barcode.c
index 7e15d0d4b01622348a533abc5f70156a50068e47..271aad9948283fbf212d26b80356a6ee537507eb 100644 (file)
--- a/hacks/barcode.c
+++ b/hacks/barcode.c
@@ -14,6 +14,7 @@
  */
 
 #include <math.h>
+#include <time.h>
 #include "screenhack.h"
 
 /* non-user-modifiable immutable definitions */
@@ -824,7 +825,7 @@ static void drawDigitChar (struct state *st, Bitmap *b, int x, int y, char c)
     if ((c < '0') || (c > '9'))
       c = '0';
 
-    bitmapDrawChar5x8 (b, x, y, c);
+  bitmapDrawChar5x8 (b, x, y, c);
 }
 
 /* draw a upc/ean digit at the given coordinates */
@@ -1634,6 +1635,12 @@ static void scrollModel (struct state *st)
             st->barcodes[st->barcode_count - 1].mag * BARCODE_WIDTH);
        barcode->x += RAND_FLOAT_01 * 100;
        barcode->mag = RAND_FLOAT_01 * MAX_MAG;
+
+        if (st->windowWidth < 100 || st->windowHeight < 100) {
+          barcode->mag *= 0.5;
+          if (barcode->mag <= 0) barcode->mag = 1;
+        }
+
        barcode->y =
            RAND_FLOAT_01 * (st->windowHeight - BARCODE_HEIGHT * barcode->mag);
        if (barcode->y < 0) 
@@ -1898,6 +1905,9 @@ static void
 barcode_reshape (Display *dpy, Window window, void *closure, 
                  unsigned int w, unsigned int h)
 {
+  struct state *st = (struct state *) closure;
+  st->windowWidth = w;
+  st->windowHeight = h;
 }
 
 static void