Hmm. Telling xvfb to default to a TrueColor visual did help, in that

[sgt/puzzles] / puzzles.h

diff --git a/puzzles.h b/puzzles.h
index 3785772..5c967f2 100644 (file)
--- a/puzzles.h
+++ b/puzzles.h
@@ -7,6 +7,7 @@
 
 #include <stdio.h>  /* for FILE */
 #include <stdlib.h> /* for size_t */
+#include <limits.h> /* for UINT_MAX */
 
 #ifndef TRUE
 #define TRUE 1
@@ -280,6 +281,10 @@ unsigned char *hex2bin(const char *in, int outlen);
  * and auto-generates highlight and lowlight colours too. */
 void game_mkhighlight(frontend *fe, float *ret,
                       int background, int highlight, int lowlight);
+/* As above, but starts from a provided background colour rather
+ * than the frontend default. */
+void game_mkhighlight_specific(frontend *fe, float *ret,
+                              int background, int highlight, int lowlight);
 
 /* Randomly shuffles an array of items. */
 void shuffle(void *array, int nelts, int eltsize, random_state *rs);
@@ -327,7 +332,14 @@ void random_free(random_state *state);
 char *random_state_encode(random_state *state);
 random_state *random_state_decode(char *input);
 /* random.c also exports SHA, which occasionally comes in useful. */
+#if __STDC_VERSION__ >= 199901L
+#include <stdint.h>
+typedef uint32_t uint32;
+#elif UINT_MAX >= 4294967295L
+typedef unsigned int uint32;
+#else
 typedef unsigned long uint32;
+#endif
 typedef struct {
     uint32 h[5];
     unsigned char block[64];