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kitty: base64-encode payload #1095

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nick black 2021-03-08 18:53:23 -05:00 committed by Nick Black
parent bdf54518e3
commit 5b3d4c7961
1 changed files with 12 additions and 4 deletions
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16
src/lib/kitty.c
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@ -7,15 +7,24 @@ write_kitty_data(FILE* fp, int linesize, int leny, int lenx, const uint32_t* dat
return -1;
}
fprintf(fp, "\e_Gf=24,s=%d,v=%d;", lenx, leny);
// FIXME need to base64 encode payload. each 3B RGB goes to a 4B base64
for(int y = 0 ; y < leny ; ++y){
const uint32_t* line = data + linesize / sizeof(*data);
for(int x = 0 ; x < lenx ; ++x){
uint32_t pixel = line[x];
fprintf(fp, "%u%u%u", ncpixel_r(pixel), ncpixel_g(pixel), ncpixel_b(pixel));
unsigned r = ncpixel_r(pixel);
unsigned g = ncpixel_g(pixel);
unsigned b = ncpixel_b(pixel);
unsigned char b64[4] = {
((r & 0xfc) >> 2) + 'A',
((r & 0x3 << 2) | ((g & 0xf0) >> 4)) + 'A',
(((g & 0xf) << 2) | ((b & 0xc0) >> 6)) + 'A',
(b & 0x3f) + 'A'
};
fprintf(fp, "%c%c%c%c", b64[0], b64[1], b64[2], b64[3]);
}
}
fprintf(fp, "\e\\");
// FIXME need to base64 encode this
if(fclose(fp) == EOF){
return -1;
}
@ -26,6 +35,7 @@ write_kitty_data(FILE* fp, int linesize, int leny, int lenx, const uint32_t* dat
// deflate-compressed) 24bit RGB.
int kitty_blit_inner(ncplane* nc, int placey, int placex, int linesize,
int leny, int lenx, unsigned cellpixx, const void* data){
unsigned width = lenx / cellpixx + !!(lenx % cellpixx);
char* buf = NULL;
size_t size = 0;
FILE* fp = open_memstream(&buf, &size);
@ -38,8 +48,6 @@ int kitty_blit_inner(ncplane* nc, int placey, int placex, int linesize,
return -1;
}
nccell* c = ncplane_cell_ref_yx(nc, placey, placex);
unsigned width = lenx / cellpixx + !!(lenx % cellpixx);
fprintf(stderr, "SIZE: %zu WIDTH: %u\n", size, width);
if(pool_blit_direct(&nc->pool, c, buf, size, width) < 0){
free(buf);
return -1;