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font-loader: avoid panic on windows

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The upstream library panics for long family names
This commit is contained in:
Wez Furlong 2019-12-21 17:08:01 -08:00
parent 662227a725
commit 7783d124e5
1 changed files with 9 additions and 0 deletions
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9
src/font/locator/font_loader.rs
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@ -13,6 +13,15 @@ impl FontLocator for FontLoaderFontLocator {
) -> anyhow::Result<Vec<FontDataHandle>> {
let mut fonts = Vec::new();
for font_attr in fonts_selection {
if cfg!(windows) && font_attr.family.len() > 31 {
// Avoid a super painful panic in the upstream library:
// https://github.com/MSleepyPanda/rust-font-loader/blob/2b264974fe080955d341ce8a163035bdce24ff2f/src/win32.rs#L87
log::error!(
"font-loader would panic for font family `{}`",
font_attr.family
);
continue;
}
let mut font_props = system_fonts::FontPropertyBuilder::new()
.family(&font_attr.family)
.monospace();