use pixel_draw to verify bitmap support

src/lib/debug.c

@@ -63,7 +63,7 @@ tinfo_debug_caps(const tinfo* ti, FILE* debugfp, int rows, int cols,
                   capyn(get_escape(ti, ESCAPE_BGOP)));
   fprintf(debugfp, "%srows: %u cols: %u rpx: %u cpx: %u (%dx%d)\n",
           indent, rows, cols, ti->cellpixy, ti->cellpixx, rows * ti->cellpixy, cols * ti->cellpixx);
-  if(!ti->pixel_init){
+  if(!ti->pixel_draw){
     fprintf(debugfp, "%sdidn't detect bitmap graphics support\n", indent);
   }else if(ti->sixel_maxy){
     fprintf(debugfp, "%smax sixel size: %dx%d colorregs: %u\n",

src/lib/notcurses.c

@@ -255,7 +255,7 @@ int update_term_dimensions(int fd, int* rows, int* cols, tinfo* tcache,
     tcache->cellpixy = ws.ws_row ? ws.ws_ypixel / ws.ws_row : 0;
     tcache->cellpixx = ws.ws_col ? ws.ws_xpixel / ws.ws_col : 0;
     if(tcache->cellpixy == 0 || tcache->cellpixx == 0){
-      tcache->pixel_init = NULL; // disable support
+      tcache->pixel_draw = NULL; // disable support
     }
   }
   if(tcache->sixel_maxy_pristine){
@@ -987,7 +987,7 @@ recursive_lock_init(pthread_mutex_t *lock){
 }
 
 int notcurses_check_pixel_support(const notcurses* nc){
-  if(nc->tcache.pixel_init){
+  if(nc->tcache.pixel_draw){
     return 1;
   }
   return 0;