diff options
Diffstat (limited to 'src/cgeo/geocaching/mapcommon/cgOverlayScale.java')
| -rw-r--r-- | src/cgeo/geocaching/mapcommon/cgOverlayScale.java | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/cgeo/geocaching/mapcommon/cgOverlayScale.java b/src/cgeo/geocaching/mapcommon/cgOverlayScale.java new file mode 100644 index 0000000..1e4a6e6 --- /dev/null +++ b/src/cgeo/geocaching/mapcommon/cgOverlayScale.java @@ -0,0 +1,140 @@ +package cgeo.geocaching.mapcommon; + +import android.app.Activity; +import android.graphics.BlurMaskFilter; +import android.graphics.Canvas; +import android.graphics.Paint; +import android.graphics.Point; +import android.graphics.Typeface; +import android.util.DisplayMetrics; +import cgeo.geocaching.cgBase; +import cgeo.geocaching.cgSettings; +import cgeo.geocaching.mapinterfaces.GeoPointImpl; +import cgeo.geocaching.mapinterfaces.MapProjectionImpl; +import cgeo.geocaching.mapinterfaces.OverlayBase; +import cgeo.geocaching.mapinterfaces.MapViewImpl; + +public class cgOverlayScale implements OverlayBase { + private cgSettings settings = null; + private Paint scale = null; + private Paint scaleShadow = null; + private BlurMaskFilter blur = null; + private float pixelDensity = 0l; + private double pixels = 0d; + private int bottom = 0; + private double distance = 0d; + private double distanceRound = 0d; + private String units = null; + + public cgOverlayScale(Activity activity, cgSettings settingsIn) { + settings = settingsIn; + + DisplayMetrics metrics = new DisplayMetrics(); + activity.getWindowManager().getDefaultDisplay().getMetrics(metrics); + pixelDensity = metrics.density; + } + + @Override + public void drawOverlayBitmap(Canvas canvas, Point drawPosition, + MapProjectionImpl projection, byte drawZoomLevel) { + // TODO Auto-generated method stub + + } + + @Override + public void draw(Canvas canvas, MapViewImpl mapView, boolean shadow) { + //super.draw(canvas, mapView, shadow); + + final double span = mapView.getLongitudeSpan() / 1e6; + final GeoPointImpl center = mapView.getMapViewCenter(); + + pixels = mapView.getWidth() / 2; // pixels related to following latitude span + bottom = mapView.getHeight() - 14; // pixels from bottom side of screen + distance = cgBase.getDistance((center.getLatitudeE6() / 1e6), ((center.getLongitudeE6() / 1e6) - (span /2)), (center.getLatitudeE6() / 1e6), ((center.getLongitudeE6() / 1e6) + (span /2))); + distance = distance / 2; + distanceRound = 0d; + + if(settings.units == cgSettings.unitsImperial) { + distance *= cgBase.kmInMiles; + + if (distance > 100) { // 100+ mi > 1xx mi + distanceRound = Math.floor(distance / 100) * 100; + units = "mi"; + } else if (distance > 10) { // 10 - 100 mi > 1x mi + distanceRound = Math.floor(distance / 10) * 10; + units = "mi"; + } else if (distance > 1) { // 1 - 10 mi > 1.x mi + distanceRound = Math.floor(distance); + units = "mi"; + } else if (distance > 0.1) { // 0.1 mi - 1.0 mi > 1xx ft + distance *= 5280; + distanceRound = Math.floor(distance / 100) * 100; + units = "ft"; + } else { // 1 - 100 ft > 1x ft + distance *= 5280; + distanceRound = Math.round(distance / 10) * 10; + units = "ft"; + } + } else { + if (distance > 100) { // 100+ km > 1xx km + distanceRound = Math.floor(distance / 100) * 100; + units = "km"; + } else if (distance > 10) { // 10 - 100 km > 1x km + distanceRound = Math.floor(distance / 10) * 10; + units = "km"; + } else if (distance > 1) { // 1 - 10 km > 1.x km + distanceRound = Math.floor(distance); + units = "km"; + } else if (distance > 0.1) { // 100 m - 1 km > 1xx m + distance *= 1000; + distanceRound = Math.floor(distance / 100) * 100; + units = "m"; + } else { // 1 - 100 m > 1x m + distance *= 1000; + distanceRound = Math.round(distance / 10) * 10; + units = "m"; + } + } + + pixels = Math.round((pixels / distance) * distanceRound); + + if (blur == null) { + blur = new BlurMaskFilter(3, BlurMaskFilter.Blur.NORMAL); + } + + if (scaleShadow == null) { + scaleShadow = new Paint(); + scaleShadow.setAntiAlias(true); + scaleShadow.setStrokeWidth(4 * pixelDensity); + scaleShadow.setMaskFilter(blur); + scaleShadow.setTextSize(14 * pixelDensity); + scaleShadow.setTypeface(Typeface.DEFAULT_BOLD); + } + + if (scale == null) { + scale = new Paint(); + scale.setAntiAlias(true); + scale.setStrokeWidth(2 * pixelDensity); + scale.setTextSize(14 * pixelDensity); + scale.setTypeface(Typeface.DEFAULT_BOLD); + } + + if (mapView.isSatellite()) { + scaleShadow.setColor(0xFF000000); + scale.setColor(0xFFFFFFFF); + } else { + scaleShadow.setColor(0xFFFFFFFF); + scale.setColor(0xFF000000); + } + + canvas.drawLine(10, bottom, 10, (bottom - (8 * pixelDensity)), scaleShadow); + canvas.drawLine((int)(pixels + 10), bottom, (int)(pixels + 10), (bottom - (8 * pixelDensity)), scaleShadow); + canvas.drawLine(8, bottom, (int)(pixels + 12), bottom, scaleShadow); + canvas.drawText(String.format("%.0f", distanceRound) + " " + units, (float)(pixels - (10 * pixelDensity)), (bottom - (10 * pixelDensity)), scaleShadow); + + canvas.drawLine(11, bottom, 11, (bottom - (6 * pixelDensity)), scale); + canvas.drawLine((int)(pixels + 9), bottom, (int)(pixels + 9), (bottom - (6 * pixelDensity)), scale); + canvas.drawLine(10, bottom, (int)(pixels + 10), bottom, scale); + canvas.drawText(String.format("%.0f", distanceRound) + " " + units, (float)(pixels - (10 * pixelDensity)), (bottom - (10 * pixelDensity)), scale); + } +}
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