public final void loop(
final Canvas pCanvas,
final String pCacheKey,
final float pZoomLevel,
final int pTileSizePx,
final Rect pViewPort,
final Rect pClipRect) {
// Calculate the amount of tiles needed for each side around the center one.
Projection.pixelXYToTileXY(pViewPort.left, pViewPort.top, mUpperLeft);
mUpperLeft.offset(-1, -1);
Projection.pixelXYToTileXY(pViewPort.right, pViewPort.bottom, mLowerRight);
mLowerRight.offset(1, 1);
center.set((mUpperLeft.x + mLowerRight.x) / 2, (mUpperLeft.y + mLowerRight.y) / 2);
final int roundedZoom = (int) Math.floor(pZoomLevel);
final int mapTileUpperBound = 1 << roundedZoom;
initializeLoop(pZoomLevel, pTileSizePx);
int tileX, tileY;
for (int y = mUpperLeft.y; y <= mLowerRight.y; y++) {
for (int x = mUpperLeft.x; x <= mLowerRight.x; x++) {
tileY = GeometryMath.mod(y, mapTileUpperBound);
tileX = GeometryMath.mod(x, mapTileUpperBound);
final MapTile tile = new MapTile(pCacheKey, roundedZoom, tileX, tileY);
handleTile(pCanvas, pCacheKey, pTileSizePx, tile, x, y, pClipRect);
}
}
finalizeLoop();
}
@Override
public List<Coord2D> projectPathIntoMap(List<Coord2D> pathPoints) {
final List<Coord2D> coords = new ArrayList<Coord2D>();
Projection projection = mMapView.getProjection();
for (Coord2D point : pathPoints) {
ILatLng coord = projection.fromPixels((float) point.getX(), (float) point.getY());
coords.add(DroneHelper.ILatLngToCoord(coord));
}
return coords;
}