void make_trait_page (qse_wcint_t start, qse_wcint_t end)
{
qse_wcint_t code;
size_t i;
short traits[TRAIT_PAGE_SIZE];
trait_page_t* page;
memset (traits, 0, sizeof(traits));
for (code = start; code <= end; code++) {
traits[code - start] = get_trait(code);
}
for (page = trait_pages; page != NULL; page = page->next) {
if (memcmp (traits, page->traits, sizeof(traits)) == 0) {
trait_maps[trait_map_count++] = page;
return;
}
}
page = (trait_page_t*)malloc (sizeof(trait_page_t));
page->no = trait_page_count++;
memcpy (page->traits, traits, sizeof(traits));
page->next = trait_pages;
trait_pages = page;
trait_maps[trait_map_count++] = page;
}
static int get_variable(SEXP variable, struct design *s, struct design *r, struct design2 *d,
struct variable *v)
{
int err = 0;
if (isMatrix(variable) || inherits(variable, "matrix")) {
err = get_trait(variable, s, r, v);
} else if (inherits(variable, "special")) {
err = get_special(variable, s, r, d, v);
} else {
DOMAIN_ERROR("unknown variable type");
}
return err;
}
static void get_font_traits(CTFontDescriptorRef fontd,
ASS_FontProviderMetaData *meta)
{
float weight, slant, width;
CFDictionaryRef traits =
CTFontDescriptorCopyAttribute(fontd, kCTFontTraitsAttribute);
get_trait(traits, kCTFontWeightTrait, &weight);
get_trait(traits, kCTFontSlantTrait, &slant);
get_trait(traits, kCTFontWidthTrait, &width);
SAFE_CFRelease(traits);
// Printed all of my system fonts (see if'deffed code below). Here is how
// CoreText 'normalized' weights maps to CSS/libass:
// opentype: 0 100 200 300 400 500 600 700 800 900
// css: LIGHT REG MED SBOLD BOLD BLACK EXTRABL
// libass: LIGHT MEDIUM BOLD
// coretext: -0.4 0.0 0.23 0.3 0.4 0.62
if (weight >= 0.62)
meta->weight = 800;
else if (weight >= 0.4)
meta->weight = 700;
else if (weight >= 0.3)
meta->weight = 600;
else if (weight >= 0.23)
meta->weight = 500;
else if (weight >= -0.4)
meta->weight = 400;
else
meta->weight = 200;
if (slant > 0.03)
meta->slant = FONT_SLANT_ITALIC;
else
meta->slant = FONT_SLANT_NONE;
if (width <= -0.2)
meta->width = FONT_WIDTH_CONDENSED;
else if (width >= 0.2)
meta->width = FONT_WIDTH_EXPANDED;
else
meta->width = FONT_WIDTH_NORMAL;
#if 0
char *name[1];
int idx = 0;
get_name(fontd, kCTFontDisplayNameAttribute, name, &idx);
char *file = get_font_file(fontd);
printf(
"Font traits for: %-40s [%-50s] "
"<slant: %f, %03d>, <weight: (%f, %03d)>, <width: %f, %03d>\n",
name[0], file,
slant, meta->slant, weight, meta->weight, width, meta->width);
free(name[0]);
free(file);
#endif
}