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linux console: shim in eighths and quarter blocks #810

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nick black 2020-07-20 23:05:59 -04:00
parent 9c3428c6fa
commit 26ae8cda5b
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GPG Key ID: 5F43400C21CBFACC
1 changed files with 96 additions and 0 deletions
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96
src/lib/linux.c
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@ -222,6 +222,96 @@ shim_quad_ll_ur(struct consolefontdesc* cfd, unsigned idx){
return 0;
}
static int
shim_lower_seven_eighth(struct consolefontdesc* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->charheight / 8 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->charheight / 8 ; r < cfd->charheight ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
static int
shim_lower_three_quarter(struct consolefontdesc* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->charheight / 4 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->charheight / 4 ; r < cfd->charheight ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
static int
shim_lower_five_eighth(struct consolefontdesc* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->charheight * 5 / 8 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->charheight * 5 / 8 ; r < cfd->charheight ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
static int
shim_lower_three_eighth(struct consolefontdesc* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->charheight * 3 / 8 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->charheight * 3 / 8 ; r < cfd->charheight ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
static int
shim_lower_quarter(struct consolefontdesc* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->charheight * 3 / 4 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->charheight * 3 / 4 ; r < cfd->charheight ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
static int
shim_lower_eighth(struct consolefontdesc* cfd, unsigned idx){
unsigned char* glyph = get_glyph(cfd, idx);
if(glyph == NULL){
return -1;
}
for(unsigned r = 0 ; r < cfd->charheight * 7 / 8 ; ++r, ++glyph){
*glyph = 0;
}
for(unsigned r = cfd->charheight * 7 / 8 ; r < cfd->charheight ; ++r, ++glyph){
*glyph = 0xff;
}
return 0;
}
// add UCS2 codepoint |w| to |map| for font idx |fidx|
static int
add_to_map(const notcurses* nc, struct unimapdesc* map, wchar_t w, unsigned fidx){
@ -339,6 +429,12 @@ program_block_drawing_chars(const notcurses* nc, struct consolefontdesc* cfd,
{ .glyphfxn = shim_no_lower_right_quad, .w = L'▛', .found = false, },
{ .glyphfxn = shim_quad_ul_lr, .w = L'▚', .found = false, },
{ .glyphfxn = shim_quad_ll_ur, .w = L'▞', .found = false, },
{ .glyphfxn = shim_lower_seven_eighth, .w = L'▇', .found = false, },
{ .glyphfxn = shim_lower_three_quarter, .w = L'▆', .found = false, },
{ .glyphfxn = shim_lower_five_eighth, .w = L'▅', .found = false, },
{ .glyphfxn = shim_lower_three_eighth, .w = L'▃', .found = false, },
{ .glyphfxn = shim_lower_quarter, .w = L'▂', .found = false, },
{ .glyphfxn = shim_lower_eighth, .w = L'▁', .found = false, },
};
// first, take a pass to see which glyphs we already have
for(unsigned i = 0 ; i < cfd->charcount ; ++i){