ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Refactor ol.TileQueue to extend ol.structs.PriorityQueue

Browse Source
This commit is contained in:
Tom Payne
2013-03-25 21:25:20 +01:00
parent f12f5ccc67
commit 27f9e83780
4 changed files with 42 additions and 220 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ol/renderer/layerrenderer.js
+5 -3
View File
@@ -307,7 +307,7 @@ ol.renderer.Layer.prototype.manageTilePyramid =
}
var wantedTiles = frameState.wantedTiles[tileSourceKey];
var tileQueue = frameState.tileQueue;
var tile, tileCenter, tileRange, tileResolution, x, y, z;
var tile, tileRange, tileResolution, x, y, z;
// FIXME this should loop up to tileGrid's minZ when implemented
for (z = currentZ; z >= 0; --z) {
tileRange = tileGrid.getTileRangeForExtentAndZ(extent, z);
@@ -317,9 +317,11 @@ ol.renderer.Layer.prototype.manageTilePyramid =
if (ol.PREEMPTIVELY_LOAD_LOW_RESOLUTION_TILES || z == currentZ) {
tile = tileSource.getTile(z, x, y, tileGrid, projection);
if (tile.getState() == ol.TileState.IDLE) {
tileCenter = tileGrid.getTileCoordCenter(tile.tileCoord);
wantedTiles[tile.tileCoord.toString()] = true;
tileQueue.enqueue(tile, tileSourceKey, tileCenter, tileResolution);
if (!tileQueue.isKeyQueued(tile.getKey())) {
tileQueue.enqueue([tile, tileSourceKey,
tileGrid.getTileCoordCenter(tile.tileCoord), tileResolution]);
}
}
} else {
tileSource.useTile(z, x, y);