xiaoyan159/vtm
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

MapScaleBar: minor optimization

Browse Source
This commit is contained in:
Emux 2019-11-04 13:41:05 +02:00
parent fa5a72f20d
commit 4bfcdadb76
No known key found for this signature in database
GPG Key ID: 64ED9980896038C3
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
vtm/src/org/oscim/scalebar/MapScaleBar.java
View File

@ -1,7 +1,7 @@
/* /*
* Copyright 2010, 2011, 2012, 2013 mapsforge.org * Copyright 2010, 2011, 2012, 2013 mapsforge.org
* Copyright 2014 Ludwig M Brinckmann * Copyright 2014 Ludwig M Brinckmann
* Copyright 2014-2016 devemux86 * Copyright 2014-2019 devemux86
* Copyright 2014 Erik Duisters * Copyright 2014 Erik Duisters
* *
* This program is free software: you can redistribute it and/or modify it under the * This program is free software: you can redistribute it and/or modify it under the
@ -44,7 +44,7 @@ public abstract class MapScaleBar {
protected Canvas mapScaleCanvas; protected Canvas mapScaleCanvas;
private int marginHorizontal; private int marginHorizontal;
private int marginVertical; private int marginVertical;
private MapPosition prevMapPosition; private final MapPosition prevMapPosition = new MapPosition();
protected boolean redrawNeeded; protected boolean redrawNeeded;
protected ScaleBarPosition scaleBarPosition; protected ScaleBarPosition scaleBarPosition;
private boolean visible; private boolean visible;
@ -194,7 +194,7 @@ public abstract class MapScaleBar {
* @return a {@link ScaleBarLengthAndValue} object containing the required scaleBarLength and scaleBarValue * @return a {@link ScaleBarLengthAndValue} object containing the required scaleBarLength and scaleBarValue
*/ */
protected ScaleBarLengthAndValue calculateScaleBarLengthAndValue(DistanceUnitAdapter unitAdapter) { protected ScaleBarLengthAndValue calculateScaleBarLengthAndValue(DistanceUnitAdapter unitAdapter) {
this.prevMapPosition = this.map.getMapPosition(); this.map.getMapPosition(this.prevMapPosition);
double groundResolution = MercatorProjection.groundResolution(this.prevMapPosition); double groundResolution = MercatorProjection.groundResolution(this.prevMapPosition);
groundResolution = groundResolution / unitAdapter.getMeterRatio(); groundResolution = groundResolution / unitAdapter.getMeterRatio();