/** Cache the core black template Bitmaps used for vehicle icons */
private static final void loadIcons() {
// Initialize variables used for all marker icons
Resources r = Application.get().getResources();
// Black vehicle icons
if (vehicle_icons[0] == null) {
vehicle_icons[0] = createVehicleIcon(NORTH);
vehicle_icons[1] = createVehicleIcon(NORTH_EAST);
vehicle_icons[2] = createVehicleIcon(EAST);
vehicle_icons[3] = createVehicleIcon(SOUTH_EAST);
vehicle_icons[4] = createVehicleIcon(SOUTH);
vehicle_icons[5] = createVehicleIcon(SOUTH_WEST);
vehicle_icons[6] = createVehicleIcon(WEST);
vehicle_icons[7] = createVehicleIcon(NORTH_WEST);
vehicle_icons[8] = createVehicleIcon(NO_DIRECTION);
}
/**
* Cache for colored versions of the vehicle icons. Total possible number of entries is 9
* directions * 4 color types (early, ontime, delayed, scheduled) = 36. In a test, the
* RouteMapController used around 15 bitmaps over a 30 min period for 4 vehicles on the map at
* 10 sec refresh rate. This can be more depending on the route configuration (if the route has
* lots of curves) and number of vehicles. To conserve memory, we'll set the max cache size at
* 15.
*/
final int MAX_CACHE_SIZE = 15;
if (mVehicleColoredIconCache == null) {
mVehicleColoredIconCache = new LruCache<>(MAX_CACHE_SIZE);
}
}
/**
* 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);
}
/** Cache the BitmapDescriptors that hold the images used for icons */
private static final void loadIcons() {
// Initialize variables used for all marker icons
Resources r = Application.get().getResources();
mPx = r.getDimensionPixelSize(R.dimen.map_stop_shadow_size_6);
mArrowWidthPx = mPx / 2f; // half the stop icon size
mArrowHeightPx = mPx / 3f; // 1/3 the stop icon size
float arrowSpacingReductionPx = mPx / 10f;
mBuffer = mArrowHeightPx - arrowSpacingReductionPx;
// Set offset used to position the image for markers (see getX/YPercentOffsetForDirection())
// This allows the current selection marker to land on the middle of the stop marker circle
mPercentOffset = (mBuffer / (mPx + mBuffer)) * 0.5f;
mArrowPaintStroke = new Paint();
mArrowPaintStroke.setColor(Color.WHITE);
mArrowPaintStroke.setStyle(Paint.Style.STROKE);
mArrowPaintStroke.setStrokeWidth(1.0f);
mArrowPaintStroke.setAntiAlias(true);
bus_stop_icons[0] = createBusStopIcon(NORTH);
bus_stop_icons[1] = createBusStopIcon(NORTH_WEST);
bus_stop_icons[2] = createBusStopIcon(WEST);
bus_stop_icons[3] = createBusStopIcon(SOUTH_WEST);
bus_stop_icons[4] = createBusStopIcon(SOUTH);
bus_stop_icons[5] = createBusStopIcon(SOUTH_EAST);
bus_stop_icons[6] = createBusStopIcon(EAST);
bus_stop_icons[7] = createBusStopIcon(NORTH_EAST);
bus_stop_icons[8] = createBusStopIcon(NO_DIRECTION);
}
/**
* Returns the currently selected stop sort order as the index in R.array.sort_stops
*
* @return the currently selected stop sort order as the index in R.array.sort_stops
*/
public static int getStopSortOrderFromPreferences() {
Resources r = Application.get().getResources();
SharedPreferences settings = Application.getPrefs();
String[] sortOptions = r.getStringArray(R.array.sort_stops);
String sortPref =
settings.getString(r.getString(R.string.preference_key_default_stop_sort), sortOptions[0]);
if (sortPref.equalsIgnoreCase(sortOptions[0])) {
return 0;
} else if (sortPref.equalsIgnoreCase(sortOptions[1])) {
return 1;
}
return 0; // Default to the first option
}
/**
* Creates a vehicle icon with the given direction arrow, or without a direction arrow if the
* direction is NO_DIRECTION. Color is black so they can be tinted later.
*
* @param direction vehicle direction, obtained from status.orientation, translated to direction,
* and defined in constants in this class, or NO_DIRECTION if the vehicle icon shouldn't have
* a direction arrow
* @return a vehicle icon bitmap with the arrow pointing the given direction, or with no arrow if
* direction is NO_DIRECTION
*/
private static Bitmap createVehicleIcon(int direction) throws NullPointerException {
if (direction < 0 || direction >= NUM_DIRECTIONS) {
throw new IllegalArgumentException("Invalid direction - " + direction);
}
Resources r = Application.get().getResources();
Bitmap b;
switch (direction) {
case NORTH:
b = BitmapFactory.decodeResource(r, R.drawable.ic_marker_with_bus_smaller_north_inside);
break;
case NORTH_EAST:
b =
BitmapFactory.decodeResource(
r, R.drawable.ic_marker_with_bus_smaller_north_east_inside);
break;
case EAST:
b = BitmapFactory.decodeResource(r, R.drawable.ic_marker_with_bus_smaller_east_inside);
break;
case SOUTH_EAST:
b =
BitmapFactory.decodeResource(
r, R.drawable.ic_marker_with_bus_smaller_south_east_inside);
break;
case SOUTH:
b = BitmapFactory.decodeResource(r, R.drawable.ic_marker_with_bus_smaller_south_inside);
break;
case SOUTH_WEST:
b =
BitmapFactory.decodeResource(
r, R.drawable.ic_marker_with_bus_smaller_south_west_inside);
break;
case WEST:
b = BitmapFactory.decodeResource(r, R.drawable.ic_marker_with_bus_smaller_west_inside);
break;
case NORTH_WEST:
b =
BitmapFactory.decodeResource(
r, R.drawable.ic_marker_with_bus_smaller_north_west_inside);
break;
case NO_DIRECTION:
default:
b = BitmapFactory.decodeResource(r, R.drawable.ic_marker_with_bus_smaller_none_inside);
}
return b;
}
/**
* Creates a bus stop icon with the given direction arrow, or without a direction arrow if the
* direction is NO_DIRECTION
*
* @param direction Bus stop direction, obtained from ObaStop.getDirection() and defined in
* constants in this class, or NO_DIRECTION if the stop icon shouldn't have a direction arrow
* @return a bus stop icon bitmap with the arrow pointing the given direction, or with no arrow if
* direction is NO_DIRECTION
*/
private static Bitmap createBusStopIcon(String direction) throws NullPointerException {
if (direction == null) {
throw new IllegalArgumentException(direction);
}
Resources r = Application.get().getResources();
Context context = Application.get();
Float directionAngle = null; // 0-360 degrees
Bitmap bm;
Canvas c;
Drawable shape;
Float rotationX = null, rotationY = null; // Point around which to rotate the arrow
Paint arrowPaintFill = new Paint();
arrowPaintFill.setStyle(Paint.Style.FILL);
arrowPaintFill.setAntiAlias(true);
if (direction.equals(NO_DIRECTION)) {
// Don't draw the arrow
bm = Bitmap.createBitmap(mPx, mPx, Bitmap.Config.ARGB_8888);
c = new Canvas(bm);
shape = ContextCompat.getDrawable(context, R.drawable.map_stop_icon);
shape.setBounds(0, 0, bm.getWidth(), bm.getHeight());
} else if (direction.equals(NORTH)) {
directionAngle = 0f;
bm = Bitmap.createBitmap(mPx, (int) (mPx + mBuffer), Bitmap.Config.ARGB_8888);
c = new Canvas(bm);
shape = ContextCompat.getDrawable(context, R.drawable.map_stop_icon);
shape.setBounds(0, (int) mBuffer, mPx, bm.getHeight());
// Shade with darkest color at tip of arrow
arrowPaintFill.setShader(
new LinearGradient(
bm.getWidth() / 2,
0,
bm.getWidth() / 2,
mArrowHeightPx,
r.getColor(R.color.theme_primary),
r.getColor(R.color.theme_accent),
Shader.TileMode.MIRROR));
// For NORTH, no rotation occurs - use center of image anyway so we have some value
rotationX = bm.getWidth() / 2f;
rotationY = bm.getHeight() / 2f;
} else if (direction.equals(NORTH_WEST)) {
directionAngle = 315f; // Arrow is drawn N, rotate 315 degrees
bm =
Bitmap.createBitmap(
(int) (mPx + mBuffer), (int) (mPx + mBuffer), Bitmap.Config.ARGB_8888);
c = new Canvas(bm);
shape = ContextCompat.getDrawable(context, R.drawable.map_stop_icon);
shape.setBounds((int) mBuffer, (int) mBuffer, bm.getWidth(), bm.getHeight());
// Shade with darkest color at tip of arrow
arrowPaintFill.setShader(
new LinearGradient(
0,
0,
mBuffer,
mBuffer,
r.getColor(R.color.theme_primary),
r.getColor(R.color.theme_accent),
Shader.TileMode.MIRROR));
// Rotate around below coordinates (trial and error)
rotationX = mPx / 2f + mBuffer / 2f;
rotationY = bm.getHeight() / 2f - mBuffer / 2f;
} else if (direction.equals(WEST)) {
directionAngle = 0f; // Arrow is drawn pointing West, so no rotation
bm = Bitmap.createBitmap((int) (mPx + mBuffer), mPx, Bitmap.Config.ARGB_8888);
c = new Canvas(bm);
shape = ContextCompat.getDrawable(context, R.drawable.map_stop_icon);
shape.setBounds((int) mBuffer, 0, bm.getWidth(), bm.getHeight());
arrowPaintFill.setShader(
new LinearGradient(
0,
bm.getHeight() / 2,
mArrowHeightPx,
bm.getHeight() / 2,
r.getColor(R.color.theme_primary),
r.getColor(R.color.theme_accent),
Shader.TileMode.MIRROR));
// For WEST
rotationX = bm.getHeight() / 2f;
rotationY = bm.getHeight() / 2f;
} else if (direction.equals(SOUTH_WEST)) {
directionAngle = 225f; // Arrow is drawn N, rotate 225 degrees
bm =
Bitmap.createBitmap(
(int) (mPx + mBuffer), (int) (mPx + mBuffer), Bitmap.Config.ARGB_8888);
c = new Canvas(bm);
shape = ContextCompat.getDrawable(context, R.drawable.map_stop_icon);
shape.setBounds((int) mBuffer, 0, bm.getWidth(), mPx);
arrowPaintFill.setShader(
new LinearGradient(
0,
bm.getHeight(),
mBuffer,
bm.getHeight() - mBuffer,
r.getColor(R.color.theme_primary),
r.getColor(R.color.theme_accent),
Shader.TileMode.MIRROR));
// Rotate around below coordinates (trial and error)
rotationX = bm.getWidth() / 2f - mBuffer / 4f;
rotationY = mPx / 2f + mBuffer / 4f;
} else if (direction.equals(SOUTH)) {
directionAngle = 180f; // Arrow is drawn N, rotate 180 degrees
bm = Bitmap.createBitmap(mPx, (int) (mPx + mBuffer), Bitmap.Config.ARGB_8888);
c = new Canvas(bm);
shape = ContextCompat.getDrawable(context, R.drawable.map_stop_icon);
shape.setBounds(0, 0, bm.getWidth(), (int) (bm.getHeight() - mBuffer));
arrowPaintFill.setShader(
new LinearGradient(
bm.getWidth() / 2,
bm.getHeight(),
bm.getWidth() / 2,
bm.getHeight() - mArrowHeightPx,
r.getColor(R.color.theme_primary),
r.getColor(R.color.theme_accent),
Shader.TileMode.MIRROR));
rotationX = bm.getWidth() / 2f;
rotationY = bm.getHeight() / 2f;
} else if (direction.equals(SOUTH_EAST)) {
directionAngle = 135f; // Arrow is drawn N, rotate 135 degrees
bm =
Bitmap.createBitmap(
(int) (mPx + mBuffer), (int) (mPx + mBuffer), Bitmap.Config.ARGB_8888);
c = new Canvas(bm);
shape = ContextCompat.getDrawable(context, R.drawable.map_stop_icon);
shape.setBounds(0, 0, mPx, mPx);
arrowPaintFill.setShader(
new LinearGradient(
bm.getWidth(),
bm.getHeight(),
bm.getWidth() - mBuffer,
bm.getHeight() - mBuffer,
r.getColor(R.color.theme_primary),
r.getColor(R.color.theme_accent),
Shader.TileMode.MIRROR));
// Rotate around below coordinates (trial and error)
rotationX = (mPx + mBuffer / 2) / 2f;
rotationY = bm.getHeight() / 2f;
} else if (direction.equals(EAST)) {
directionAngle = 180f; // Arrow is drawn pointing West, so rotate 180
bm = Bitmap.createBitmap((int) (mPx + mBuffer), mPx, Bitmap.Config.ARGB_8888);
c = new Canvas(bm);
shape = ContextCompat.getDrawable(context, R.drawable.map_stop_icon);
shape.setBounds(0, 0, mPx, bm.getHeight());
arrowPaintFill.setShader(
new LinearGradient(
bm.getWidth(),
bm.getHeight() / 2,
bm.getWidth() - mArrowHeightPx,
bm.getHeight() / 2,
r.getColor(R.color.theme_primary),
r.getColor(R.color.theme_accent),
Shader.TileMode.MIRROR));
rotationX = bm.getWidth() / 2f;
rotationY = bm.getHeight() / 2f;
} else if (direction.equals(NORTH_EAST)) {
directionAngle = 45f; // Arrow is drawn pointing N, so rotate 45 degrees
bm =
Bitmap.createBitmap(
(int) (mPx + mBuffer), (int) (mPx + mBuffer), Bitmap.Config.ARGB_8888);
c = new Canvas(bm);
shape = ContextCompat.getDrawable(context, R.drawable.map_stop_icon);
shape.setBounds(0, (int) mBuffer, mPx, bm.getHeight());
// Shade with darkest color at tip of arrow
arrowPaintFill.setShader(
new LinearGradient(
bm.getWidth(),
0,
bm.getWidth() - mBuffer,
mBuffer,
r.getColor(R.color.theme_primary),
r.getColor(R.color.theme_accent),
Shader.TileMode.MIRROR));
// Rotate around middle of circle
rotationX = (float) mPx / 2;
rotationY = bm.getHeight() - (float) mPx / 2;
} else {
throw new IllegalArgumentException(direction);
}
shape.draw(c);
if (direction.equals(NO_DIRECTION)) {
// Everything after this point is for drawing the arrow image, so return the bitmap as-is for
// no arrow
return bm;
}
/**
* Draw the arrow - all dimensions should be relative to px so the arrow is drawn the same size
* for all orientations
*/
// Height of the cutout in the bottom of the triangle that makes it an arrow (0=triangle)
final float CUTOUT_HEIGHT = mPx / 12;
Path path = new Path();
float x1 = 0, y1 = 0; // Tip of arrow
float x2 = 0, y2 = 0; // lower left
float x3 = 0, y3 = 0; // cutout in arrow bottom
float x4 = 0, y4 = 0; // lower right
if (direction.equals(NORTH)
|| direction.equals(SOUTH)
|| direction.equals(NORTH_EAST)
|| direction.equals(SOUTH_EAST)
|| direction.equals(NORTH_WEST)
|| direction.equals(SOUTH_WEST)) {
// Arrow is drawn pointing NORTH
// Tip of arrow
x1 = mPx / 2;
y1 = 0;
// lower left
x2 = (mPx / 2) - (mArrowWidthPx / 2);
y2 = mArrowHeightPx;
// cutout in arrow bottom
x3 = mPx / 2;
y3 = mArrowHeightPx - CUTOUT_HEIGHT;
// lower right
x4 = (mPx / 2) + (mArrowWidthPx / 2);
y4 = mArrowHeightPx;
} else if (direction.equals(EAST) || direction.equals(WEST)) {
// Arrow is drawn pointing WEST
// Tip of arrow
x1 = 0;
y1 = mPx / 2;
// lower left
x2 = mArrowHeightPx;
y2 = (mPx / 2) - (mArrowWidthPx / 2);
// cutout in arrow bottom
x3 = mArrowHeightPx - CUTOUT_HEIGHT;
y3 = mPx / 2;
// lower right
x4 = mArrowHeightPx;
y4 = (mPx / 2) + (mArrowWidthPx / 2);
}
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();
// Rotate arrow around (rotationX, rotationY) point
Matrix matrix = new Matrix();
matrix.postRotate(directionAngle, rotationX, rotationY);
path.transform(matrix);
c.drawPath(path, arrowPaintFill);
c.drawPath(path, mArrowPaintStroke);
return bm;
}
@Override
protected void onClick() {
if (!isChecked()) {
/*
Warn the user before enabling, since experimental regions
may not have real-time info or may be unavailable.
*/
AlertDialog dialog =
new AlertDialog.Builder(getContext())
.setMessage(R.string.preferences_experimental_regions_enable_warning)
.setPositiveButton(
android.R.string.ok,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
setValue(true);
}
})
.setNegativeButton(
android.R.string.cancel,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
})
.create();
dialog.show();
} else {
if (Application.get().getCurrentRegion() != null
&& Application.get().getCurrentRegion().getExperimental()) {
// If the user is currently using an experimental region, warn that it won't be available
AlertDialog dialog =
new AlertDialog.Builder(getContext())
.setMessage(R.string.preferences_experimental_regions_disable_warning)
.setPositiveButton(
android.R.string.ok,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
// Set the region info to null, so we no longer use the current experimental
// region
Application.get().setCurrentRegion(null);
setValue(false);
}
})
.setNegativeButton(
android.R.string.cancel,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
})
.create();
dialog.show();
} else {
setValue(false);
}
}
}