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yield: transparent background for label

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nick black 2021-02-11 21:10:36 -05:00
parent 97a92cbbd7
commit c023ccf4d6
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GPG Key ID: 5F43400C21CBFACC
2 changed files with 27 additions and 12 deletions
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8
src/demo/intro.c
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@ -36,10 +36,10 @@ int intro(struct notcurses* nc){
struct ncplane* ncp = notcurses_stddim_yx(nc, &rows, &cols);
uint32_t ccul, ccur, ccll, cclr;
ccul = ccur = ccll = cclr = 0;
channel_set_rgb8(&ccul, 0, 0xd0, 0);
channel_set_rgb8(&ccur, 0xff, 0, 0);
channel_set_rgb8(&ccll, 0x88, 0, 0xcc);
channel_set_rgb8(&cclr, 0, 0, 0);
channel_set_rgb8(&ccul, 0, 0xff, 0xff);
channel_set_rgb8(&ccur, 0xff, 0xff, 0);
channel_set_rgb8(&ccll, 0xff, 0, 0);
channel_set_rgb8(&cclr, 0, 0, 0xff);
// we use full block rather+fg than space+bg to conflict less with the menu
ncplane_home(ncp);
if(ncplane_highgradient_sized(ncp, ccul, ccur, ccll, cclr, rows, cols) <= 0){

31
src/demo/yield.c
View File

@ -23,9 +23,9 @@ int yield_demo(struct notcurses* nc){
}
DEMO_RENDER(nc);
demo_nanosleep(nc, &demodelay);
ncplane_erase(std);
struct timespec delay;
timespec_div(&demodelay, 2, &delay);
demo_nanosleep(nc, &delay);
int vy, vx, vscaley, vscalex;
vopts.scaling = NCSCALE_NONE;
@ -39,6 +39,24 @@ int yield_demo(struct notcurses* nc){
const int MAXITER = 512;
timespec_div(&demodelay, MAXITER, &scaled);
long tfilled = 0;
struct ncplane_options labopts = {
.y = 3,
.x = NCALIGN_CENTER,
.rows = 1,
.cols = 12,
.flags = NCPLANE_OPTION_HORALIGNED,
};
struct ncplane* label = ncplane_create(std, &labopts);
if(label == NULL){
ncvisual_destroy(wmv);
return -1;
}
ncplane_set_bg_alpha(label, CELL_ALPHA_TRANSPARENT);
ncplane_set_fg_rgb8(label, 0, 0, 0);
ncplane_set_styles(label, NCSTYLE_BOLD);
ncplane_printf_aligned(label, 0, NCALIGN_CENTER, "Yield: %3.1f%%", ((double)tfilled * 100) / threshold_painted);
int iters = 0;
while(tfilled < threshold_painted && iters < MAXITER){
//fprintf(stderr, "%d/%d x %d/%d tfilled: %ld thresh: %ld total: %ld\n", vy, vx, vscaley, vscalex, tfilled, threshold_painted, total);
@ -73,18 +91,15 @@ int yield_demo(struct notcurses* nc){
ncvisual_destroy(wmv);
return -1;
}
ncplane_set_bg_rgb8(std, 0x10, 0x10, 0x10);
ncplane_set_fg_rgb8(std, 0xf0, 0x20, 0x20);
ncplane_set_styles(std, NCSTYLE_BOLD);
if(tfilled > threshold_painted){
tfilled = threshold_painted; // don't allow printing of 100.1% etc
}
ncplane_printf_aligned(std, 3, NCALIGN_CENTER, "Yield: %3.1f%%", ((double)tfilled * 100) / threshold_painted);
ncplane_set_styles(std, NCSTYLE_NONE);
ncplane_printf_aligned(label, 0, NCALIGN_CENTER, "Yield: %3.1f%%", ((double)tfilled * 100) / threshold_painted);
DEMO_RENDER(nc);
demo_nanosleep(nc, &scaled);
++iters;
}
ncplane_destroy(label);
ncvisual_destroy(wmv);
ncplane_erase(std);
return 0;