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try to fix https://github.com/maptiler/tileserver-gl/issues/1411

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Co-Authored-By: Andrew Calcutt <acalcutt@techidiots.net>
This commit is contained in:
acalcutt 2024-12-29 01:56:15 -05:00
parent 8dd927efe5
commit b72f662106
1 changed files with 24 additions and 16 deletions
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40
src/serve_rendered.js
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@ -133,23 +133,31 @@ function createEmptyResponse(format, color, callback) {
}
// create an "empty" response image
color = new Color(color);
const array = color.array();
const channels = array.length === 4 && format !== 'jpeg' ? 4 : 3;
sharp(Buffer.from(array), {
raw: {
width: 1,
height: 1,
channels,
},
})
.toFormat(format)
.toBuffer((err, buffer, info) => {
if (!err) {
try {
color = new Color(color);
const array = color.array();
const channels = array.length === 4 && format !== 'jpeg' ? 4 : 3;
sharp(Buffer.from(array), {
raw: {
width: 1,
height: 1,
channels,
},
})
.toFormat(format)
.toBuffer((err, buffer, info) => {
if (err) {
console.error('Error creating image with Sharp:', err);
callback(err, null);
return;
}
cachedEmptyResponses[cacheKey] = buffer;
}
callback(null, { data: buffer });
});
callback(null, { data: buffer });
});
} catch (error) {
console.error('Error during image processing setup:', error);
callback(error, null);
}
}
/**