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Correctly serve sprites

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This commit is contained in:
Petr Sloup 2016-03-11 09:16:28 +01:00
parent d4fa224d04
commit b98b7244f6
1 changed files with 24 additions and 3 deletions
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27
src/serve_style.js
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@ -1,6 +1,7 @@
'use strict'; 'use strict';
var path = require('path'); var path = require('path'),
fs = require('fs');
var clone = require('clone'), var clone = require('clone'),
express = require('express'); express = require('express');
@ -23,8 +24,11 @@ module.exports = function(repo, options, id, reportVector) {
source.url = 'local://vector/' + identifier + '.json'; source.url = 'local://vector/' + identifier + '.json';
} }
}); });
styleJSON.sprite = 'local://styles/{style_id}/sprite';
styleJSON.glyphs = 'local://fonts/{fonstack}/{range}.pbf'; var spritePath = path.join(rootPath, styleJSON.sprite);
styleJSON.sprite = 'local://styles/' + id + '/sprite';
styleJSON.glyphs = 'local://fonts/{fontstack}/{range}.pbf';
repo[id] = styleJSON; repo[id] = styleJSON;
@ -44,5 +48,22 @@ module.exports = function(repo, options, id, reportVector) {
return res.send(styleJSON_); return res.send(styleJSON_);
}); });
app.get('/styles/' + id + '/sprite:scale(@[23]x)?\.:format([\\w]+)',
function(req, res, next) {
var scale = req.params.scale,
format = req.params.format;
var filename = spritePath + (scale || '') + '.' + format;
return fs.readFile(filename, function(err, data) {
if (err) {
console.log('Sprite load error:', filename);
return res.status(404).send('File not found');
} else {
if (format == 'json') res.header('Content-type', 'application/json');
if (format == 'png') res.header('Content-type', 'image/png');
return res.send(data);
}
});
});
return app; return app;
}; };