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gg: fix default font style loading (#10309)

pull/10354/head
KJ Lawrence 2021-06-04 13:00:32 -04:00 committed by GitHub
parent b0c9a87292
commit 751b1cffd3
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1 changed files with 23 additions and 20 deletions
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43
vlib/gg/text_rendering.v
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@ -317,47 +317,50 @@ pub fn system_font_path() string {
fn get_font_path_variant(font_path string, variant FontVariant) string {
// TODO: find some way to make this shorter and more eye-pleasant
// NotoSans, LiberationSans, DejaVuSans, Arial and SFNS should work
mut fpath := font_path.replace('.ttf', '')
mut file := os.file_name(font_path)
mut fpath := font_path.replace(file, '')
file = file.replace('.ttf', '')
match variant {
.normal {}
.bold {
if fpath.ends_with('-Regular') {
fpath = fpath.replace('-Regular', '-Bold')
} else if fpath.starts_with('DejaVuSans') {
fpath += '-Bold'
} else if fpath.to_lower().starts_with('arial') {
fpath += 'bd'
file = file.replace('-Regular', '-Bold')
} else if file.starts_with('DejaVuSans') {
file += '-Bold'
} else if file.to_lower().starts_with('arial') {
file += 'bd'
} else {
fpath += '-bold'
file += '-bold'
}
$if macos {
if os.exists('SFNS-bold') {
fpath = 'SFNS-bold'
file = 'SFNS-bold'
}
}
}
.italic {
if fpath.ends_with('-Regular') {
fpath = fpath.replace('-Regular', '-Italic')
} else if fpath.starts_with('DejaVuSans') {
fpath += '-Oblique'
} else if fpath.to_lower().starts_with('arial') {
fpath += 'i'
if file.ends_with('-Regular') {
file = file.replace('-Regular', '-Italic')
} else if file.starts_with('DejaVuSans') {
file += '-Oblique'
} else if file.to_lower().starts_with('arial') {
file += 'i'
} else {
fpath += 'Italic'
file += 'Italic'
}
}
.mono {
if !fpath.ends_with('Mono-Regular') && fpath.ends_with('-Regular') {
fpath = fpath.replace('-Regular', 'Mono-Regular')
} else if fpath.to_lower().starts_with('arial') {
if !file.ends_with('Mono-Regular') && file.ends_with('-Regular') {
file = file.replace('-Regular', 'Mono-Regular')
} else if file.to_lower().starts_with('arial') {
// Arial has no mono variant
} else {
fpath += 'Mono'
file += 'Mono'
}
}
}
return fpath + '.ttf'
return fpath + file + '.ttf'
}
fn debug_font_println(s string) {