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Store a sorted list of monospace font ids in font system

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Signed-off-by: Mohammad AlSaleh <CE.Mohammad.AlSaleh@gmail.com>
This commit is contained in:
Mohammad AlSaleh 2024-03-10 21:55:24 +03:00 • committed by Jeremy Soller
parent 3e02ae1ea6
commit 59ac0b824c
2 changed files with 31 additions and 17 deletions
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31
src/font/fallback/mod.rs
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@ -173,24 +173,21 @@ impl<'a> Iterator for FontFallbackIter<'a> {
}
// Set a monospace fallback if Monospace family is not found
if is_mono {
if let Some(face_info) = self.font_system.db().face(m_key.id) {
// Don't use emoji fonts as Monospace
if face_info.monospaced && !face_info.post_script_name.contains("Emoji") {
let supported_cp_count_opt = self
.font_system
.get_font_supported_codepoints_in_word(m_key.id, self.word);
if let Some(supported_cp_count) = supported_cp_count_opt {
let codepoint_non_matches =
self.word.chars().count() - supported_cp_count;
if self.font_system.is_monospace(m_key.id) {
let supported_cp_count_opt = self
.font_system
.get_font_supported_codepoints_in_word(m_key.id, self.word);
if let Some(supported_cp_count) = supported_cp_count_opt {
let codepoint_non_matches =
self.word.chars().count() - supported_cp_count;
let fallback_info = MonospaceFallbackInfo {
font_weight_diff: Some(m_key.font_weight_diff),
codepoint_non_matches: Some(codepoint_non_matches),
font_weight: m_key.font_weight,
id: m_key.id,
};
assert!(self.monospace_fallbacks.insert(fallback_info));
}
let fallback_info = MonospaceFallbackInfo {
font_weight_diff: Some(m_key.font_weight_diff),
codepoint_non_matches: Some(codepoint_non_matches),
font_weight: m_key.font_weight,
id: m_key.id,
};
assert!(self.monospace_fallbacks.insert(fallback_info));
}
}
}