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'use strict';
var mbgl = require('../index');
var request = require('request');
var PNG = require('pngjs').PNG;
var fs = require('fs');
var path = require('path');
mbgl.on('message', function(msg) {
console.log('%s (%s): %s', msg.severity, msg.class, msg.text);
});
module.exports = function (style, options, callback) {
var map = new mbgl.Map({
ratio: options.pixelRatio,
request: function(req, callback) {
request(req.url, {encoding: null}, function (err, response, body) {
if (err) {
callback(err);
} else if (response.statusCode == 404) {
callback();
} else if (response.statusCode != 200) {
callback(new Error(response.statusMessage));
} else {
callback(null, {data: body});
}
});
}
});
var timedOut = false;
var watchdog = setTimeout(function () {
timedOut = true;
map.dumpDebugLogs();
callback(new Error('timed out after 20 seconds'));
}, 20000);
options.debug = {
tileBorders: options.debug,
collision: options.collisionDebug,
overdraw: options.showOverdrawInspector,
};
options.center = style.center || [0, 0];
options.zoom = style.zoom || 0;
options.bearing = style.bearing || 0;
options.pitch = style.pitch || 0;
map.load(style);
applyOperations(options.operations, function() {
map.render(options, function (err, pixels) {
var results = options.queryGeometry ?
map.queryRenderedFeatures(options.queryGeometry, options.queryOptions || {}) :
[];
map.release();
if (timedOut) return;
clearTimeout(watchdog);
callback(err, pixels, results.map(prepareFeatures));
});
});
function applyOperations(operations, callback) {
var operation = operations && operations[0];
if (!operations || operations.length === 0) {
callback();
} else if (operation[0] === 'wait') {
map.render(options, function () {
applyOperations(operations.slice(1), callback);
});
} else if (operation[0] === 'addImage') {
var img = PNG.sync.read(fs.readFileSync(path.join(__dirname, '../../../mapbox-gl-js/test/integration', operation[2])));
map.addImage(operation[1], img.data, {
height: img.height,
width: img.width,
pixelRatio: 1
});
applyOperations(operations.slice(1), callback);
} else {
// Ensure that the next `map.render(options)` does not overwrite this change.
if (operation[0] === 'setCenter') {
options.center = operation[1];
} else if (operation[0] === 'setZoom') {
options.zoom = operation[1];
} else if (operation[0] === 'setBearing') {
options.bearing = operation[1];
} else if (operation[0] === 'setPitch') {
options.pitch = operation[1];
}
map[operation[0]].apply(map, operation.slice(1));
applyOperations(operations.slice(1), callback);
}
}
function prepareFeatures(r) {
delete r.layer;
return r;
}
};
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