loleaflet/src/layer/tile/CalcTileLayer.js | 4 ++++
1 file changed, 4 insertions(+)
New commits:
commit 21ded7f081494cbfb107ee1f4d6b6c3839664fd6
Author: Dennis Francis <dennis.fran...@collabora.com>
AuthorDate: Fri May 15 23:12:16 2020 +0530
Commit: Dennis Francis <dennis.fran...@collabora.com>
CommitDate: Sun Jul 5 10:01:03 2020 +0200
enforce bound-checks on setViewArea()
Change-Id: Ic129181095c301ce27421bac5d3f1f94d1932248
Reviewed-on: https://gerrit.libreoffice.org/c/online/+/97947
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoff...@gmail.com>
Reviewed-by: Dennis Francis <dennis.fran...@collabora.com>
diff --git a/loleaflet/src/layer/tile/CalcTileLayer.js
b/loleaflet/src/layer/tile/CalcTileLayer.js
index b7ad0a7f5..0b540acdf 100644
--- a/loleaflet/src/layer/tile/CalcTileLayer.js
+++ b/loleaflet/src/layer/tile/CalcTileLayer.js
@@ -1040,6 +1040,10 @@ L.SheetDimension = L.Class.extend({
// computes element index from tile-twips position.
_getIndexFromTileTwipsPos: function (pos) {
var span = this._visibleSizes.getSpanDataByCustomDataField(pos,
'postiletwips');
+ if (span === undefined) {
+ // enforce limits.
+ return (pos >= 0) ? this._maxIndex : 0;
+ }
var elementCount = span.end - span.start + 1;
var posStart = ((span.data.posdevpx - span.data.sizedev *
elementCount) /
this._devPixelsPerCssPixel * this._twipsPerCSSPixel);
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