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quadblitter: respect transparency #686

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nick black 2020-06-07 19:46:03 -04:00
parent 10cbaedc77
commit 841c0a4b8f
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GPG Key ID: 5F43400C21CBFACC
2 changed files with 5 additions and 6 deletions
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1
src/demo/outro.c
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@ -58,6 +58,7 @@ videothread(void* vnc){
struct ncvisual_options ovopts = {
.scaling = NCSCALE_STRETCH,
.n = ncp,
.y = 1,
};
int three = 3;
if(ncvisual_render(nc, ncv, &ovopts) == NULL){

10
src/lib/blit.c
View File

@ -307,8 +307,6 @@ quadrant_blit(ncplane* nc, int placey, int placex, int linesize,
&& ffmpeg_trans_p(bgr, rgbbase_bl[3]) && ffmpeg_trans_p(bgr, rgbbase_br[3])){
cell_set_bg_alpha(c, CELL_ALPHA_TRANSPARENT);
cell_set_fg_alpha(c, CELL_ALPHA_TRANSPARENT);
egc = " ";
// FIXME else look for pairs of transparency!
}else{
uint32_t tl = 0, tr = 0, bl = 0, br = 0;
channel_set_rgb(&tl, rgbbase_tl[rpos], rgbbase_tl[1], rgbbase_tl[bpos]);
@ -317,16 +315,16 @@ quadrant_blit(ncplane* nc, int placey, int placex, int linesize,
channel_set_rgb(&br, rgbbase_br[rpos], rgbbase_br[1], rgbbase_br[bpos]);
uint32_t bg, fg;
egc = quadrant_solver(tl, tr, bl, br, &fg, &bg);
assert(egc);
cell_set_fchannel(c, fg);
cell_set_bchannel(c, bg);
if(blendcolors){
cell_set_bg_alpha(c, CELL_ALPHA_BLEND);
cell_set_fg_alpha(c, CELL_ALPHA_BLEND);
}
}
assert(egc);
if(cell_load(nc, c, egc) <= 0){
return -1;
if(cell_load(nc, c, egc) <= 0){
return -1;
}
}
++total;
}