/** @param params */
public void initParams(GpsParams params, StorageService service) {
/*
* Comes from storage service. This will do nothing for fresh start,
* but it will load previous combo on re-activation
*/
mService = service;
mMovement = mService.getMovement();
mImageDataSource = mService.getDBResource();
if (null == mMovement) {
mMovement = new Movement();
}
mPan = mService.getPan();
if (null == mPan) {
mPan = new Pan();
mService.setPan(mPan);
}
if (null != params) {
mGpsParams = params;
} else if (null != mService.getDestination()) {
mGpsParams = new GpsParams(mService.getDestination().getLocation());
} else {
mGpsParams = new GpsParams(null);
}
loadTiles();
postInvalidate();
// Tell the CDI the paint that we use for display tfr
mService.getCDI().setSize(mPaint, Math.min(getWidth(), getHeight()));
mService.getVNAV().setSize(mPaint, Math.min(getWidth(), getHeight()));
// Tell the odometer how to access preferences
mService.getOdometer().setPref(mPref);
mService.getEdgeTape().setPaint(mPaint);
// Resize our runway icon based upon the size of the display.
// We want the icon no more than 1/3 the size of the screen. Since we show 2 images
// of this icon, that means the total size is no more than 2/3 of the available space.
// This leaves room to print the runway numbers with some real estate left over.
Bitmap newRunway =
Helper.getResizedBitmap(mRunwayBitmap.getBitmap(), getWidth(), getHeight(), (double) 1 / 3);
// If a new bitmap was generated, then load it in.
if (newRunway != mRunwayBitmap.getBitmap()) {
mRunwayBitmap = new BitmapHolder(newRunway);
}
}
public void updateDestination() {
/*
* Comes from database
*/
if (null == mService) {
return;
}
if (null != mService.getDestination()) {
if (mService.getDestination().isFound()) {
/*
* Set pan to zero since we entered new destination
* and we want to show it without pan.
*/
mPan = new Pan();
mService.setPan(mPan);
updateCoordinates();
}
}
}
/**
* * Draw the vertical approach slope indicator if we have a destination set
*
* @param canvas what to draw the data upon
*/
private void drawVASI(Canvas canvas) {
if (mPointProjection == null && mErrorStatus == null) {
if (mPref.getShowCDI()) {
Destination dest = mService.getDestination();
if (dest != null) {
mService.getVNAV().drawVNAV(canvas, getWidth(), getHeight(), dest);
}
}
}
}
/**
* @param canvas
* @param ctx
*/
private void drawTrack(Canvas canvas, DrawingContext ctx) {
TrackShape.draw(
ctx,
mService.getPlan(),
mService.getDestination(),
mGpsParams,
mLineBitmap,
mLineHeadingBitmap,
mPointProjection == null);
}
/**
* @param canvas
* @param ctx
*/
private void drawRunways(Canvas canvas, DrawingContext ctx) {
Runway.draw(
ctx, mRunwayBitmap, mService.getDestination(), mGpsParams, mPointProjection == null);
}