drop tinfo argument from pixel_init()

src/lib/sixel.c

@@ -1042,16 +1042,14 @@ int sixel_draw(const tinfo* ti, const ncpile* p, sprixel* s, fbuf* f,
   return s->glyph.used;
 }
 
-int sixel_init(const tinfo* ti, int fd){
-  (void)ti;
+int sixel_init(int fd){
   // \e[?8452: DECSDM private "sixel scrolling" mode keeps the sixel from
   // scrolling, but puts it at the current cursor location (as opposed to
   // the upper left corner of the screen).
   return tty_emit("\e[?80;8452h", fd);
 }
 
-int sixel_init_inverted(const tinfo* ti, int fd){
-  (void)ti;
+int sixel_init_inverted(int fd){
   // except MLterm (and a few others, possibly including the physical VT340),
   // which inverts the usual sense of DECSDM.
   return tty_emit("\e[?80l\e[?8452h", fd);

src/lib/sprite.c

@@ -220,7 +220,7 @@ int sprite_init(const tinfo* t, int fd){
   if(t->pixel_init == NULL){
     return 0;
   }
-  return t->pixel_init(t, fd);
+  return t->pixel_init(fd);
 }
 
 uint8_t* sprixel_auxiliary_vector(const sprixel* s){

src/lib/sprite.h

@@ -183,8 +183,8 @@ int kitty_scrub(const struct ncpile* p, sprixel* s);
 int fbcon_scrub(const struct ncpile* p, sprixel* s);
 int kitty_remove(int id, fbuf* f);
 int kitty_clear_all(fbuf* f);
-int sixel_init(const tinfo* t, int fd);
-int sixel_init_inverted(const tinfo* t, int fd);
+int sixel_init(int fd);
+int sixel_init_inverted(int fd);
 int kitty_shutdown(fbuf* f);
 int sixel_shutdown(fbuf* f);
 uint8_t* sixel_trans_auxvec(const struct tinfo* ti);

src/lib/termdesc.h

@@ -127,7 +127,7 @@ typedef struct tinfo {
   // it leaves the sprixel in INVALIDATED so that it's drawn in phase 2.
   void (*pixel_refresh)(const struct ncpile* p, struct sprixel* s);
   int (*pixel_remove)(int id, fbuf* f); // kitty only, issue actual delete command
-  int (*pixel_init)(const struct tinfo*, int fd); // called when support is detected
+  int (*pixel_init)(int fd); // called when support is detected
   int (*pixel_draw)(const struct tinfo*, const struct ncpile* p,
                     struct sprixel* s, fbuf* f, int y, int x);
   int (*pixel_draw_late)(const struct tinfo*, struct sprixel* s, int yoff, int xoff);