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Prioritize font fallbacks and try to respect proper font style

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This commit is contained in:
Petr Sloup 2017-12-14 09:55:57 +01:00
parent c1055a9647
commit 734d1f01f0
1 changed files with 14 additions and 1 deletions
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15
src/utils.js
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@ -84,7 +84,20 @@ var getFontPbf = function(allowedFonts, fontPath, name, range, fallbacks) {
if (err) {
console.error('ERROR: Font not found:', name);
if (fallbacks && Object.keys(fallbacks).length) {
var fallbackName = Object.keys(fallbacks)[0];
var fallbackName;
var fontStyle = name.split(' ').pop();
if (['Regular', 'Bold', 'Italic'].indexOf(fontStyle) < 0) {
fontStyle = 'Regular';
}
fallbackName = 'Noto Sans ' + fontStyle;
if (!fallbacks[fallbackName]) {
fallbackName = 'Open Sans ' + fontStyle;
if (!fallbacks[fallbackName]) {
fallbackName = Object.keys(fallbacks)[0];
}
}
console.error('ERROR: Trying to use', fallbackName, 'as a fallback');
delete fallbacks[fallbackName];
getFontPbf(null, fontPath, fallbackName, range, fallbacks).then(resolve, reject);