loleaflet/src/layer/tile/GridLayer.js | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
New commits:
commit 449c0a387f59ad075cb880d1cb688ec9586120a9
Author: Mihai Varga <mihai.va...@collabora.com>
Date: Mon Jul 13 20:06:30 2015 +0300
loleaflet: check already visited tiles when prefetching
In order to avoid duplicate tiles
diff --git a/loleaflet/src/layer/tile/GridLayer.js
b/loleaflet/src/layer/tile/GridLayer.js
index fc67031..7a59ae4 100644
--- a/loleaflet/src/layer/tile/GridLayer.js
+++ b/loleaflet/src/layer/tile/GridLayer.js
@@ -546,8 +546,8 @@ L.GridLayer = L.Layer.extend({
if (coords.x < 0 || coords.y < 0) {
return false;
}
- if (coords.x * this._tileWidthTwips > this._docWidthTwips ||
- coords.y * this._tileHeightTwips >
this._docHeightTwips) {
+ if (coords.x * this._tileWidthTwips >= this._docWidthTwips ||
+ coords.y * this._tileHeightTwips >=
this._docHeightTwips) {
return false;
}
return true;
@@ -806,6 +806,7 @@ L.GridLayer = L.Layer.extend({
}
var queue = [],
finalQueue = [],
+ visitedTiles = {},
tilesToFetch = 10,
borderWidth = 0;
// don't search on a border wider than 5 tiles because
it will freeze the UI
@@ -845,10 +846,12 @@ L.GridLayer = L.Layer.extend({
if (!this._isValidTile(coords) ||
this._tiles[key] ||
- this._tileCache[key]) {
+ this._tileCache[key] ||
+ visitedTiles[key]) {
continue;
}
+ visitedTiles[key] = true;
finalQueue.push(coords);
tilesToFetch -= 1;
}
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