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/**
* Copyright 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS-IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import("sync");
import("image");
import("blob");
//jimport("java.lang.System.out.println");
function _cache() {
sync.callsyncIfTrue(appjet.cache,
function() { return ! appjet.cache["etherpad-genimg"]; },
function() { appjet.cache["etherpad-genimg"] = { paths: {}}; });
return appjet.cache["etherpad-genimg"];
}
function renderPath(path) {
if (_cache().paths[path]) {
//println("CACHE HIT");
}
else {
//println("CACHE MISS");
var regexResult = null;
var img = null;
if ((regexResult =
/solid\/([0-9]+)x([0-9]+)\/([0-9a-fA-F]{6})\.gif/.exec(path))) {
var width = Number(regexResult[1]);
var height = Number(regexResult[2]);
var color = regexResult[3];
img = image.solidColorImageBlob(width, height, color);
}
else {
// our "broken image" image, red and partly transparent
img = image.pixelsToImageBlob(2, 2, [0x00000000, 0xffff0000,
0xffff0000, 0x00000000], true, "gif");
}
_cache().paths[path] = img;
}
blob.serveBlob(_cache().paths[path]);
return true;
}
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