public boolean updateInfo(RotatedTileBox tb, DrawSettings nightMode) {
boolean visible = true;
OsmandMapTileView view = ma.getMapView();
// update cache
if (view.isZooming()) {
visible = false;
} else if (!orientationPortrait && ma.getRoutingHelper().isRoutePlanningMode()) {
visible = false;
} else if ((tb.getZoom() != cacheRulerZoom
|| Math.abs(tb.getCenterTileX() - cacheRulerTileX) > 1
|| Math.abs(tb.getCenterTileY() - cacheRulerTileY) > 1)
&& tb.getPixWidth() > 0
&& maxWidth > 0) {
cacheRulerZoom = tb.getZoom();
cacheRulerTileX = tb.getCenterTileX();
cacheRulerTileY = tb.getCenterTileY();
final double dist =
tb.getDistance(0, tb.getPixHeight() / 2, tb.getPixWidth(), tb.getPixHeight() / 2);
double pixDensity = tb.getPixWidth() / dist;
double roundedDist =
OsmAndFormatter.calculateRoundedDist(maxWidth / pixDensity, view.getApplication());
int cacheRulerDistPix = (int) (pixDensity * roundedDist);
cacheRulerText =
OsmAndFormatter.getFormattedDistance((float) roundedDist, view.getApplication());
textShadow.setText(cacheRulerText);
text.setText(cacheRulerText);
ViewGroup.LayoutParams lp = layout.getLayoutParams();
lp.width = cacheRulerDistPix;
layout.setLayoutParams(lp);
layout.requestLayout();
}
updateVisibility(layout, visible);
return true;
}
