add minimal example for #2266

src/poc/issue-2266.c

@@ -0,0 +1,51 @@
+#include <notcurses/notcurses.h>
+
+int main(void){
+  // init notcurses
+  struct notcurses_options nopts = {
+	// .loglevel = NCLOGLEVEL_TRACE,
+  };
+  struct notcurses* nc = notcurses_init(&nopts, NULL);
+  if(nc == NULL){
+    return EXIT_FAILURE;
+  }
+
+  // fill buffer with random pixels
+  int x = 2; int y = 2;
+  size_t bufferlen = y * x * 3;
+  unsigned char* buffer = malloc(bufferlen);
+  if(buffer == NULL){
+    return -1;
+  }
+  for(size_t r = 0 ; r < bufferlen ; ++r){
+    buffer[r] = rand() % 256;
+    buffer[r] = rand() % 256;
+  }
+
+  // prepare visual
+  struct ncvisual* ncv = ncvisual_from_rgb_packed(buffer, y, x * 3, x, 0xff);
+  if(ncv == NULL){
+    free(buffer);
+    return -1;
+  }
+  struct ncvisual_options vopts = {
+    .y = 1,
+    .blitter = NCBLIT_PIXEL,
+  };
+
+  // render visual
+  struct ncplane* ncvp = ncvisual_render(nc, ncv, &vopts);
+  if(ncvp == NULL){
+    free(buffer);
+    return -1;
+  }
+  notcurses_render(nc);
+
+  // wait for input to clean up & exit
+  ncinput ni;
+  notcurses_getc_blocking(nc, &ni);
+  ncplane_destroy(ncvp);
+  ncvisual_destroy(ncv);
+  notcurses_stop(nc);
+  return EXIT_SUCCESS;
+}