X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/3161048dbbffb3b02b124bac3bec03b1a4f22340..61072f7be9d1ab83c459ec1eabc0f9503b57fac6:/puzzles.h

diff --git a/puzzles.h b/puzzles.h
index 987bd9b..0bdb581 100644
--- a/puzzles.h
+++ b/puzzles.h
@@ -137,6 +137,8 @@ void draw_rect(frontend *fe, int x, int y, int w, int h, int colour);
 void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour);
 void draw_polygon(frontend *fe, int *coords, int npoints,
                   int fill, int colour);
+void draw_circle(frontend *fe, int cx, int cy, int radius,
+                 int fill, int colour);
 void clip(frontend *fe, int x, int y, int w, int h);
 void unclip(frontend *fe);
 void start_draw(frontend *fe);
@@ -203,6 +205,13 @@ char *dupstr(const char *s);
  * misc.c
  */
 void free_cfg(config_item *cfg);
+void obfuscate_bitmap(unsigned char *bmp, int bits, int decode);
+
+/* allocates output each time. len is always in bytes of binary data.
+ * May assert (or just go wrong) if lengths are unchecked. */
+char *bin2hex(const unsigned char *in, int inlen);
+unsigned char *hex2bin(const char *in, int outlen);
+
 
 /*
  * version.c