--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Meerwald/gray.h	Sun Aug 12 13:14:34 2007 +0200
@@ -0,0 +1,14 @@
+#ifndef GRAY_H
+#define GRAY_H
+
+#include "wm.h"
+#include "pgm.h"
+
+gray **alloc_grays(int cols, int rows);
+gray **alloc_grays_8x8();
+void free_grays(gray **grays);
+void copy_grays_to_block(gray ** block_grays, gray ** image_grays, int col, int row, int width, int height);
+void copy_grays_from_block(gray ** image_grays, gray ** block_grays, int col, int row, int width, int height);
+void print_grays(gray **grays, int col, int row, int width, int height);
+void print_grays_8x8(gray **grays);
+#endif