private PointF ConvertLatLngToPoint(LatLng latLng, BackgroundImage backgroundImage)
{
var x = (float)((GetXTile(latLng.Lng, backgroundImage.N) - backgroundImage.TopLeft.X) * TARGET_TILE_SIZE_X / backgroundImage.Tiles.X);
var y = (float)((GetYTile(latLng.Lat, backgroundImage.N) - backgroundImage.TopLeft.Y) * TARGET_TILE_SIZE_Y / backgroundImage.Tiles.Y);
return(new PointF(x, y));
}
private void DrawRoutesOnImage(BackgroundImage backgroundImage, DataContainer dataContainer)
{
using (var graphics = Graphics.FromImage(backgroundImage.Image))
{
var routeColorIndex = 0;
// HM TODO: add markers?
foreach (var route in dataContainer.routes)
{
var points = route.segments.SelectMany(s => s.latlngs).Select(l => ConvertLatLngToPoint(l, backgroundImage)).ToArray();
if (!points.Any())
{
continue;
}
var lineColor = _routeColors[routeColorIndex++];
routeColorIndex = routeColorIndex % _routeColors.Length;
if (!string.IsNullOrEmpty(route.color))
{
lineColor = ColorTranslator.FromHtml(route.color);
}
graphics.DrawLines(_outLinerPen, points);
var linePen = new Pen(lineColor, PEN_WIDTH)
{
LineJoin = LineJoin.Bevel
};
graphics.DrawLines(linePen, points);
graphics.FillEllipse(_circleFillBrush, points.First().X - CIRCLE_SIZE_X / 2, points.First().Y - CIRCLE_SIZE_Y / 2, CIRCLE_SIZE_X, CIRCLE_SIZE_Y);
graphics.DrawEllipse(_startRoutePen, points.First().X - CIRCLE_SIZE_X / 2, points.First().Y - CIRCLE_SIZE_Y / 2, CIRCLE_SIZE_X, CIRCLE_SIZE_Y);
graphics.FillEllipse(_circleFillBrush, points.Last().X - CIRCLE_SIZE_X / 2, points.Last().Y - CIRCLE_SIZE_Y / 2, CIRCLE_SIZE_X, CIRCLE_SIZE_Y);
graphics.DrawEllipse(_endRoutePen, points.Last().X - CIRCLE_SIZE_X / 2, points.Last().Y - CIRCLE_SIZE_Y / 2, CIRCLE_SIZE_X, CIRCLE_SIZE_Y);
}
}
}
private void DrawRoutesOnImage(BackgroundImage backgroundImage, DataContainer dataContainer)
{
using (var graphics = Graphics.FromImage(backgroundImage.Image))
{
var routeColorIndex = 0;
foreach (var route in dataContainer.Routes)
{
var points = route.Segments.SelectMany(s => s.Latlngs).Select(l => ConvertLatLngToPoint(l, backgroundImage)).ToArray();
var markerPoints = route.Markers.Select(m => ConvertLatLngToPoint(m.Latlng, backgroundImage));
var lineColor = _routeColors[routeColorIndex++];
routeColorIndex = routeColorIndex % _routeColors.Length;
if (!string.IsNullOrEmpty(route.Color))
{
lineColor = FromColorString(route.Color, route.Opacity);
}
var linePen = new Pen(lineColor, PEN_WIDTH)
{
LineJoin = LineJoin.Bevel
};
if (points.Any())
{
graphics.DrawLines(_outLinerPen, points);
graphics.DrawLines(linePen, points);
graphics.FillEllipse(_circleFillBrush, points.First().X - CIRCLE_SIZE_X / 2, points.First().Y - CIRCLE_SIZE_Y / 2, CIRCLE_SIZE_X, CIRCLE_SIZE_Y);
graphics.DrawEllipse(_startRoutePen, points.First().X - CIRCLE_SIZE_X / 2, points.First().Y - CIRCLE_SIZE_Y / 2, CIRCLE_SIZE_X, CIRCLE_SIZE_Y);
graphics.FillEllipse(_circleFillBrush, points.Last().X - CIRCLE_SIZE_X / 2, points.Last().Y - CIRCLE_SIZE_Y / 2, CIRCLE_SIZE_X, CIRCLE_SIZE_Y);
graphics.DrawEllipse(_endRoutePen, points.Last().X - CIRCLE_SIZE_X / 2, points.Last().Y - CIRCLE_SIZE_Y / 2, CIRCLE_SIZE_X, CIRCLE_SIZE_Y);
}
foreach (var markerPoint in markerPoints)
{
graphics.FillEllipse(_circleFillBrush, markerPoint.X - CIRCLE_SIZE_X / 2, markerPoint.Y - CIRCLE_SIZE_Y / 2, CIRCLE_SIZE_X, CIRCLE_SIZE_Y);
graphics.DrawEllipse(linePen, markerPoint.X - CIRCLE_SIZE_X / 2, markerPoint.Y - CIRCLE_SIZE_Y / 2, CIRCLE_SIZE_X, CIRCLE_SIZE_Y);
}
}
}
}
private PointF ConvertLatLngZToPoint(LatLngZ latLng, BackgroundImage backgroundImage)
{
var x = (float)((GetXTile(latLng.lng, backgroundImage.N) - backgroundImage.TopLeft.X) * TARGET_TILE_SIZE_X / backgroundImage.Tiles.X);
var y = (float)((GetYTile(latLng.lat, backgroundImage.N) - backgroundImage.TopLeft.Y) * TARGET_TILE_SIZE_Y / backgroundImage.Tiles.Y);
return new PointF(x, y);
}