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config: line-height, letter-spacing: values are in pt by default, but we allow px

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If the value is specified without a unit, then the value is assumed to
be in points, subject to DPI scaling.

The value can optionally have a ‘px’ suffix, in which case the value
is treated as a raw pixel count.
This commit is contained in:
Daniel Eklöf 2021-01-07 17:00:58 +01:00
parent 4c9f593d91
commit a6fc8b5da4
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GPG key ID: 5BBD4992C116573F
6 changed files with 97 additions and 61 deletions
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14
box-drawing.c
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@ -2064,13 +2064,23 @@ box_drawing(const struct terminal *term, wchar_t wc)
};
draw_glyph(wc, &buf);
const struct config *conf = term->conf;
int x_ofs = conf->horizontal_letter_offset.px > 0
? conf->horizontal_letter_offset.px
: conf->horizontal_letter_offset.pt * term->font_dpi / 72.;
int y_ofs = conf->vertical_letter_offset.px > 0
? conf->vertical_letter_offset.px
: conf->vertical_letter_offset.pt * term->font_dpi / 72.;
struct fcft_glyph *glyph = xmalloc(sizeof(*glyph));
*glyph = (struct fcft_glyph){
.wc = wc,
.cols = 1,
.pix = pix,
.x = -term->conf->horizontal_letter_offset,
.y = term->conf->vertical_letter_offset + term->fonts[0]->ascent,
.x = -x_ofs,
.y = y_ofs + term->fonts[0]->ascent,
.width = width,
.height = height,
.advance = {