-typedef struct {
- unsigned long rgb; /* on screen */
- char c; /* canonical */
-} CanonColourInfo;
-
-extern const CanonColourInfo canoncolourinfos[];
-
-CanonImage *alloc_canon_image(int w, int h);
-
-#ifdef DEBUG_RECTANGLES
-# define CANIMG_DEBUG_RECTANGLE_1LINE(im,w,h) \
- fprintf(debug, "%4d ",y); \
- r= fwrite(im->d + y*w, 1,w, debug); \
- eassert(r==w); \
- fputc('\n',debug);
-#else
-# define CANIMG_DEBUG_RECTANGLE_1LINE(im,y,h) /* nothing */
-#endif
-
-#define CANONICALISE_IMAGE(im,w,h, COMPUTE_RGB) do{ \
- /* compute_rgb should be a number of statements, or \
- * a block, which assigns to \
- * unsigned long rgb; \
- * given the values of \
- * int x,y; \
- * all of which are anamorphic. Result is stored in im. \
- */ \
- (im)= alloc_canon_image((w), (h)); \
- \
- int x,y,r; \
- for (y=0; y<(h); y++) { \
- for (x=0; x<(w); x++) { \
- const CanonColourInfo *cci; \
- unsigned long rgb; \
- COMPUTE_RGB; \
- for (cci=canoncolourinfos; cci->c; cci++) \
- if (cci->rgb == rgb) { \
- (im)->d[y*(w) + x]= cci->c; \
- break; \
- } \
- } \
- CANIMG_DEBUG_RECTANGLE_1LINE((im),(w),(h)) \
- } \
- debug_flush(); \
- }while(0)
+#define eassert assert
+#define debug stderr
+
+const char *get_vardir(void);
+
+#define DEBUG_DEFINE_SOME_DEBUGF(fl,funcf) \
+ static void v##funcf(const char *fmt, va_list al) { \
+ if (DEBUGP(fl)) \
+ vfprintf(debug,fmt,al); \
+ } \
+ static void funcf(const char *fmt, ...) { \
+ va_list al; va_start(al,fmt); v##funcf(fmt,al); va_end(al); \
+ }