Files
openlayers/src/ol/imageurlfunction.js
2013-04-30 22:00:21 +02:00

45 lines
1.2 KiB
JavaScript

goog.provide('ol.ImageUrlFunction');
goog.provide('ol.ImageUrlFunctionType');
goog.require('ol.Size');
/**
* @typedef {function(this:ol.source.Source, ol.Extent, ol.Size, ol.Projection):
* (string|undefined)}
*/
ol.ImageUrlFunctionType;
/**
* @param {string} baseUrl Base URL (may have query data).
* @param {Object.<string,*>} params to encode in the url.
* @param {function(string, Object.<string,*>, ol.Extent, ol.Size,
* ol.Projection): (string|undefined)} paramsFunction params function.
* @return {ol.ImageUrlFunctionType} Image URL function.
*/
ol.ImageUrlFunction.createFromParamsFunction =
function(baseUrl, params, paramsFunction) {
return (
/**
* @param {ol.Extent} extent Extent.
* @param {ol.Size} size Size.
* @param {ol.Projection} projection Projection.
* @return {string|undefined} URL.
*/
function(extent, size, projection) {
return paramsFunction(baseUrl, params, extent, size, projection);
});
};
/**
* @param {ol.Extent} extent Extent.
* @param {ol.Size} size Size.
* @return {string|undefined} Image URL.
*/
ol.ImageUrlFunction.nullImageUrlFunction =
function(extent, size) {
return undefined;
};