1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
'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);
});
// Map of map objects by pixel ratio
var maps = new Map();
module.exports = function (style, options, callback) {
if (options.recycleMap) {
if (maps.has(options.pixelRatio)) {
var map = maps.get(options.pixelRatio);
map.request = mapRequest;
} else {
maps.set(options.pixelRatio, new mbgl.Map({
ratio: options.pixelRatio,
request: mapRequest
}));
var map = maps.get(options.pixelRatio);
}
} else {
var map = new mbgl.Map({
ratio: options.pixelRatio,
request: mapRequest
});
}
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, { defaultStyleCamera: true });
function mapRequest(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});
}
});
};
applyOperations(options.operations, function() {
map.render(options, function (err, pixels) {
var results = options.queryGeometry ?
map.queryRenderedFeatures(options.queryGeometry, options.queryOptions || {}) :
[];
if (!options.recycleMap) {
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] === 'sleep') {
// Prefer "wait", which renders until the map is loaded
// Use "sleep" when you need to test something that sidesteps the "loaded" logic
setTimeout(() => {
applyOperations(operations.slice(1), callback);
}, operation[1]);
} else if (operation[0] === 'addImage' || operation[0] === 'updateImage') {
var img = PNG.sync.read(fs.readFileSync(path.join(__dirname, '../../../mapbox-gl-js/test/integration', operation[2])));
const testOpts = (operation.length > 3) ? operation[3] : {};
const options = {
height: img.height,
width: img.width,
pixelRatio: testOpts.pixelRatio || 1,
sdf: testOpts.sdf || false
}
map.addImage(operation[1], img.data, options);
applyOperations(operations.slice(1), callback);
} else if (operation[0] === 'setStyle') {
map.load(operation[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;
}
};
|
