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fix slight scrolling zoom bug, closes #1039

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This commit is contained in:
Vladimir Agafonkin 2012-11-14 14:46:17 +02:00
parent 10c0a63b3d
commit 469211d0cf
2 changed files with 4 additions and 2 deletions
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3
CHANGELOG.md
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@ -53,7 +53,8 @@ An in-progress version being developed on the master branch.
* Fixed a bug where shift-clicking on a map would zoom it to the max zoom level.
* Fixed a glitch with zooming in while panning animation is running.
* Fixed a glitch with dragging the map while zoom animation is running.
* Fixed a bug where `panBy` wouldn't round the offset values (so it was possible to make the map blurry with it). [#1085](https://github.com/CloudMade/Leaflet/issues/1085)
* Fixed a bug where slight touchpad scrolling or one-wheel scrolling wouln't always perform zooming. [#1039](https://github.com/CloudMade/Leaflet/issues/1039)
* Fixed a bug where `panBy` wouldn't round the offset values (so it was possible to make the map blurry with it). [#1085](https://github.com/CloudMade/Leaflet/issues/1085)
#### API bugfixes

3
src/map/handler/Map.ScrollWheelZoom.js
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@ -37,9 +37,10 @@ L.Map.ScrollWheelZoom = L.Handler.extend({
_performZoom: function () {
var map = this._map,
delta = Math.round(this._delta),
delta = this._delta,
zoom = map.getZoom();
delta = delta > 0 ? Math.ceil(delta) : Math.round(delta);
delta = Math.max(Math.min(delta, 4), -4);
delta = map._limitZoom(zoom + delta) - zoom;