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Warn when pdf.js can't load an OS font

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This commit is contained in:
Calixte Denizet 2023-05-16 14:58:38 +02:00
parent 95ab2b8b17
commit 385f275ad9
3 changed files with 18 additions and 11 deletions
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2
src/core/font_substitutions.js
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@ -451,6 +451,7 @@ function getFontSubstitution(
css: loadedName,
guessFallback: true,
loadedName,
baseFontName,
src: `local(${baseFontName})`,
style,
};
@ -470,6 +471,7 @@ function getFontSubstitution(
css: `${loadedName},${ultimate}`,
guessFallback: false,
loadedName,
baseFontName,
src: src.join(","),
style,
};

15
src/display/font_loader.js
View file

@ -97,17 +97,10 @@ class FontLoader {
await fontFace.load();
this.#systemFonts.add(loadedName);
} catch {
if (info.guessFallback) {
// We're trying to load only one system font.
const match = src.match(/^local\((.*)\)$/);
warn(
`Cannot load system font: ${match?.[1]}, installing it could help to improve PDF rendering.`
);
} else {
warn(
`Cannot load system font: ${loadedName} for style ${style.style} and weight ${style.weight}.`
);
}
warn(
`Cannot load system font: ${info.baseFontName}, installing it could help to improve PDF rendering.`
);
this.removeNativeFontFace(fontFace);
}
return;