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term: break out font initialization to a separate function

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Daniel Eklöf 2019-10-30 17:50:12 +01:00
parent 7dcd6b7d55
commit 348f3738da
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GPG key ID: 5BBD4992C116573F
1 changed files with 41 additions and 32 deletions
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73
terminal.c
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@ -260,6 +260,41 @@ initialize_render_workers(struct terminal *term)
return true;
}
static bool
initialize_fonts(struct terminal *term, const struct config *conf)
{
font_list_t font_names = tll_init();
tll_foreach(conf->fonts, it)
tll_push_back(font_names, it->item);
if ((term->fonts[0] = font_from_name(font_names, "")) == NULL ||
(term->fonts[1] = font_from_name(font_names, "style=bold")) == NULL ||
(term->fonts[2] = font_from_name(font_names, "style=italic")) == NULL ||
(term->fonts[3] = font_from_name(font_names, "style=bold italic")) == NULL)
{
tll_free(font_names);
return false;
}
tll_free(font_names);
FT_Face ft_face = term->fonts[0]->face;
int max_x_advance = ft_face->size->metrics.max_advance / 64;
int height = ft_face->size->metrics.height / 64;
int descent = ft_face->size->metrics.descender / 64;
int ascent = ft_face->size->metrics.ascender / 64;
term->fextents.height = height * term->fonts[0]->pixel_size_fixup;
term->fextents.descent = -descent * term->fonts[0]->pixel_size_fixup;
term->fextents.ascent = ascent * term->fonts[0]->pixel_size_fixup;
term->fextents.max_x_advance = max_x_advance * term->fonts[0]->pixel_size_fixup;
LOG_DBG("metrics: height: %d, descent: %d, ascent: %d, x-advance: %d",
height, descent, ascent, max_x_advance);
return true;
}
struct terminal *
term_init(const struct config *conf, struct fdm *fdm, struct wayland *wayl,
int argc, char *const *argv)
@ -367,57 +402,31 @@ term_init(const struct config *conf, struct fdm *fdm, struct wayland *wayl,
initialize_color_cube(term);
if (!initialize_render_workers(term))
goto err;
font_list_t font_names = tll_init();
tll_foreach(conf->fonts, it)
tll_push_back(font_names, it->item);
if ((term->fonts[0] = font_from_name(font_names, "")) == NULL ||
(term->fonts[1] = font_from_name(font_names, "style=bold")) == NULL ||
(term->fonts[2] = font_from_name(font_names, "style=italic")) == NULL ||
(term->fonts[3] = font_from_name(font_names, "style=bold italic")) == NULL)
{
tll_free(font_names);
if (!initialize_fonts(term, conf))
goto err;
}
tll_free(font_names);
{
FT_Face ft_face = term->fonts[0]->face;
int max_x_advance = ft_face->size->metrics.max_advance / 64;
int height = ft_face->size->metrics.height / 64;
int descent = ft_face->size->metrics.descender / 64;
int ascent = ft_face->size->metrics.ascender / 64;
term->fextents.height = height * term->fonts[0]->pixel_size_fixup;
term->fextents.descent = -descent * term->fonts[0]->pixel_size_fixup;
term->fextents.ascent = ascent * term->fonts[0]->pixel_size_fixup;
term->fextents.max_x_advance = max_x_advance * term->fonts[0]->pixel_size_fixup;
LOG_DBG("metrics: height: %d, descent: %d, ascent: %d, x-advance: %d",
height, descent, ascent, max_x_advance);
}
/* Cell dimensions are based on the font metrics. Obviously */
term->cell_width = (int)ceil(term->fextents.max_x_advance);
term->cell_height = (int)ceil(term->fextents.height);
LOG_INFO("cell width=%d, height=%d", term->cell_width, term->cell_height);
term->window = wayl_win_init(wayl);
if (term->window == NULL)
if ((term->window = wayl_win_init(wayl)) == NULL)
goto err;
term_set_window_title(term, "foot");
/* Try to use user-configured window dimentions */
unsigned width = conf->width;
unsigned height = conf->height;
if (width == -1) {
/* No user-configuration - use 80x24 cells */
assert(height == -1);
width = 80 * term->cell_width;
height = 24 * term->cell_height;
}
/* Don't go below a single cell */
width = max(width, term->cell_width);
height = max(height, term->cell_height);
render_resize(term, width, height);