ncplane_erase() at the beginning of viewdemo #194

src/demo/bleachworm.c

@@ -549,7 +549,7 @@ int bleachworm_demo(struct notcurses* nc){
     cell c;
     struct timespec screenend;
     clock_gettime(CLOCK_MONOTONIC, &screenend);
-    ns_to_timespec(timespec_to_ns(&screenend) + 2 * timespec_to_ns(&demodelay), &screenend);
+    ns_to_timespec(timespec_to_ns(&screenend) + 5 * timespec_to_ns(&demodelay), &screenend);
     do{ // (re)draw a screen
       const int start = starts[i];
       int step = steps[i];

src/demo/view.c

@@ -70,6 +70,7 @@ int view_demo(struct notcurses* nc){
   ncplane_dim_yx(ncp, &dimy, &dimx);
   int averr = 0;
   char* pic = find_data("PurpleDrank.jpg");
+  ncplane_erase(ncp);
   struct ncvisual* ncv = ncplane_visual_open(ncp, pic, &averr);
   if(ncv == NULL){
     free(pic);