/**
* Returns an icon for the vehicle that should be shown on the map
*
* @param isRealtime true if the marker shown indicate real-time info, false if it should
* indicate schedule
* @param status the vehicles status to add to the map
* @param response the response which contained the provided status
* @return an icon for the vehicle that should be shown on the map
*/
private BitmapDescriptor getVehicleIcon(
boolean isRealtime, ObaTripStatus status, ObaTripsForRouteResponse response) {
int colorResource;
Resources r = Application.get().getResources();
if (isRealtime) {
long deviationMin = TimeUnit.SECONDS.toMinutes(status.getScheduleDeviation());
colorResource = ArrivalInfo.computeColorFromDeviation(deviationMin);
} else {
colorResource = R.color.stop_info_scheduled_time;
}
int color = r.getColor(colorResource);
double direction = MathUtils.toDirection(status.getOrientation());
int halfWind = MathUtils.getHalfWindIndex((float) direction, NUM_DIRECTIONS - 1);
// Log.d(TAG, "VehicleId=" + status.getVehicleId() + ", orientation= " +
// status.getOrientation() + ", direction=" + direction + ", halfWind= " + halfWind + ",
// deviation=" + status.getScheduleDeviation());
String key = createBitmapCacheKey(halfWind, colorResource);
Bitmap b = getBitmapFromCache(key);
if (b == null) {
// Cache miss - create Bitmap and add to cache
b = UIUtils.colorBitmap(vehicle_icons[halfWind], color);
addBitmapToCache(key, b);
}
return BitmapDescriptorFactory.fromBitmap(b);
}
private void drawArrow(Canvas c) {
int height = getHeight();
int width = getWidth();
// Create a buffer around the arrow so when it rotates it doesn't get clipped by view edge
final float BUFFER = width / 5;
// Height of the cutout in the bottom of the triangle that makes it an arrow (0=triangle)
final float CUTOUT_HEIGHT = getHeight() / 5;
float x1, y1; // Tip of arrow
x1 = width / 2;
y1 = BUFFER;
float x2, y2; // lower left
x2 = BUFFER;
y2 = height - BUFFER;
float x3, y3; // cutout in arrow bottom
x3 = width / 2;
y3 = height - CUTOUT_HEIGHT - BUFFER;
float x4, y4; // lower right
x4 = width - BUFFER;
y4 = height - BUFFER;
Path path = new Path();
path.setFillType(Path.FillType.EVEN_ODD);
path.moveTo(x1, y1);
path.lineTo(x2, y2);
path.lineTo(x3, y3);
path.lineTo(x4, y4);
path.lineTo(x1, y1);
path.close();
float direction = mHeading - mBearingToStop;
// Make sure value is between 0-360
direction = MathUtils.mod(direction, 360.0f);
// Rotate arrow around center point
Matrix matrix = new Matrix();
matrix.postRotate((float) -direction, width / 2, height / 2);
path.transform(matrix);
c.drawPath(path, mArrowPaint);
c.drawPath(path, mArrowFillPaint);
// Update content description, so screen readers can announce direction to stop
String[] spokenDirections = getResources().getStringArray(R.array.spoken_compass_directions);
String directionName = spokenDirections[MathUtils.getHalfWindIndex(direction)];
setContentDescription(directionName);
}
