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Fix behavior of area-based static maps

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This commit is contained in:
Petr Sloup 2016-03-09 17:10:27 +01:00
parent ad867f305b
commit a495993e68
1 changed files with 10 additions and 5 deletions
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15
src/serve_raster.js
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@ -188,7 +188,8 @@ module.exports = function(maps, options, prefix) {
if (Math.abs(lon) > 180 || Math.abs(lat) > 85.06) {
return res.status(400).send('Invalid center');
}
if (width <= 0 || height <= 0 || width > 2048 || height > 2048) {
if (Math.min(width, height) <= 0 ||
Math.max(width, height) * scale > 6000) {
return res.status(400).send('Invalid size');
}
if (format == 'png' || format == 'webp') {
@ -288,11 +289,15 @@ module.exports = function(maps, options, prefix) {
FLOAT_PATTERN, FLOAT_PATTERN, FLOAT_PATTERN, FLOAT_PATTERN);
app.get(util.format(staticPattern, boundsPattern), function(req, res, next) {
var bbox = [+req.params.minx, +req.params.miny,
+req.params.maxx, +req.params.maxy];
var z = req.params.z | 0,
x = ((+req.params.minx) + (+req.params.maxx)) / 2,
y = ((+req.params.miny) + (+req.params.maxy)) / 2,
w = req.params.width | 0,
h = req.params.height | 0,
x = (bbox[0] + bbox[2]) / 2,
y = (bbox[1] + bbox[3]) / 2;
var minCorner = mercator.px([bbox[0], bbox[3]], z),
maxCorner = mercator.px([bbox[2], bbox[1]], z);
var w = (maxCorner[0] - minCorner[0]) | 0,
h = (maxCorner[1] - minCorner[1]) | 0,
scale = getScale(req.params.scale),
format = req.params.format;
return respondImage(z, x, y, w, h, scale, format, res, next);