| author | Ke Gong <ke.gong@amlogic.com> | 2017-05-18 05:44:38 (GMT) |
|---|---|---|
| committer | Ke Gong <ke.gong@amlogic.com> | 2017-05-18 05:44:38 (GMT) |
| commit | eec357f7f1b26d8dd6130ffcb7031b0c166a9de1 (patch) | |
| tree | 7e38f3e6369cd4c57124fa59e3931bc1fe1b74bc | |
| parent | 2144be6cac2b0fa856e35f9e1a73dec39804d4ec (diff) | |
| download | libzvbi-eec357f7f1b26d8dd6130ffcb7031b0c166a9de1.zip libzvbi-eec357f7f1b26d8dd6130ffcb7031b0c166a9de1.tar.gz libzvbi-eec357f7f1b26d8dd6130ffcb7031b0c166a9de1.tar.bz2 | |
PD#144420: tt: add black background subtitle mode
Change-Id: I079248755a7421571194e9f978ef25dadab6f09a
| -rw-r--r-- | src/exp-gfx.c | 65 |
1 files changed, 56 insertions, 9 deletions
diff --git a/src/exp-gfx.c b/src/exp-gfx.c index c8ff3d5..4232dda 100644 --- a/src/exp-gfx.c +++ b/src/exp-gfx.c @@ -674,6 +674,8 @@ vbi_draw_vt_page_region(vbi_page *pg, ac = &pg->text[row * pg->columns + column]; for (count = width; count > 0; count--, ac++) { + int transparent; + if ((ac->conceal & conceal) || (ac->flash & off)) unicode = 0x0020; else @@ -682,6 +684,53 @@ vbi_draw_vt_page_region(vbi_page *pg, if (subtitle && (row == 0)) unicode = 0x0020; + if (!subtitle) { + transparent = 0; + } else if (subtitle == 1) { + if (vbi_is_drcs(unicode) || unicode==0x0020) + transparent = 1; + else + transparent = 0; + } else { + if (row == 0) { + transparent = 1; + } else if (vbi_is_drcs(unicode) || unicode==0x0020) { + vbi_char *tc; + int n, uc; + int left, right; + + left = right = 0; + + for (n = count + 1, tc = ac - 1; n <= width; tc --, n ++) { + if ((tc->conceal & conceal) || (tc->flash & off)) + uc = 0x0020; + else + uc = tc->unicode; + + if(!vbi_is_drcs(uc) && uc!=0x0020) { + left = 1; + break; + } + } + + for (n = count - 1, tc = ac + 1; n > 0; tc ++, n --) { + if ((tc->conceal & conceal) || (tc->flash & off)) + uc = 0x0020; + else + uc = tc->unicode; + + if(!vbi_is_drcs(uc) && uc!=0x0020) { + right = 1; + break; + } + } + + transparent = !(left & right); + } else { + transparent = 0; + } + } + if (canvas_type == 1) { pen.pal8[0] = ac->background; pen.pal8[1] = ac->foreground; @@ -689,15 +738,13 @@ vbi_draw_vt_page_region(vbi_page *pg, pen.rgba[0] = pg->color_map[ac->background]; pen.rgba[1] = pg->color_map[ac->foreground]; - if(subtitle){ - if(vbi_is_drcs(unicode) || unicode==0x0020) { - pen.rgba[0] &= 0x00FFFFFF; - pen.rgba[1] &= 0x00FFFFFF; - }else{ - pen.rgba[0] &= 0x00FFFFFF; - //pen.rgba[0] |= 0x80000000; - } - } + if (transparent) { + pen.rgba[0] = 0x00FFFFFF; + pen.rgba[1] = 0x00FFFFFF; + } + + if (subtitle == 1) + pen.rgba[0] = 0x00FFFFFF; } switch (ac->size) { |