/// <summary>
/// Generates the land map using GeoConverter
/// </summary>
/// <returns>The land map.</returns>
/// <param name="gc">Gc.</param>
/// <param name="width">Width.</param>
/// <param name="height">Height.</param>
/// <param name="fixCrop">If set to <c>true</c> fix crop.</param>
public Bitmap GenerateLandMap(GeoConverter gc, int width, int height, bool fixCrop = false)
{
if (shapeFile == null)
{
UIConsole.Error("Trying to draw a LandMap without a loaded shapefile!");
return(null);
}
var bmp = new Bitmap(width, height, PixelFormat.Format24bppRgb);
Brush bgBrush = new SolidBrush(Color.Black);
Brush polyBrush = new SolidBrush(Color.White);
using (var graphics = Graphics.FromImage(bmp)) {
graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
graphics.FillRectangle(bgBrush, 0, 0, width, height);
lock (shapeFile) { // TODO: This is BAD, SO BAD, PLEASE FIX ME
// Thats because for some reason running this in multiple
// threads is causing Features to be modified (wtf?)
foreach (var f in shapeFile.Features.ToList())
{
for (int i = 0; i < f.NumGeometries; i++)
{
var geom = f.GetBasicGeometryN(i);
var k = geom.Coordinates;
var points = new List <PointF> ();
foreach (var z in k)
{
float lon = (float)z.X;
float lat = (float)z.Y;
var xy = gc.latlon2xy(lat, lon);
float cx = (float)xy.Item1;
float cy = (float)xy.Item2;
if (fixCrop)
{
cx -= gc.CropLeft;
}
points.Add(new PointF(cx, cy));
}
// Search if any of the points are inside the image
foreach (var p in points)
{
if (p.X >= 0 && p.X < bmp.Width && p.Y >= 0 && p.Y < bmp.Height)
{
graphics.FillPolygon(polyBrush, points.ToArray());
break;
}
}
}
}
}
}
return(bmp);
}
private void OldDrawMap(ref Bitmap bmp, GeoConverter gc, Color color, int lineWidth = 5, bool fixCrop = false)
{
Pen pen = new Pen(color, lineWidth);
float lastX = float.NaN;
float lastY = float.NaN;
using (var graphics = Graphics.FromImage(bmp)) {
graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
lock (shapeFile) { // TODO: This is BAD, SO BAD, PLEASE FIX ME
// Thats because for some reason running this in multiple
// threads is causing Features to be modified (wtf?)
foreach (var f in shapeFile.Features.ToList())
{
for (int i = 0; i < f.NumGeometries; i++)
{
var geom = f.GetBasicGeometryN(i);
var k = geom.Coordinates;
lastX = float.NaN;
lastY = float.NaN;
foreach (var z in k)
{
float lon = (float)z.X;
float lat = (float)z.Y;
if (lat < gc.MaxLatitude && lat > gc.MinLatitude && lon < gc.MaxLongitude && lon > gc.MinLongitude)
{
var xy = gc.latlon2xy(lat, lon);
float cx = (float)xy.Item1;
float cy = (float)xy.Item2;
if (fixCrop)
{
cx -= gc.CropLeft;
}
if (
(!float.IsNaN(lastX) && !float.IsNaN(lastY)) &&
(cx > 0 && cy > 0) &&
(cx < bmp.Width && cy < bmp.Height) &&
(lastX > 0 && lastY > 0) &&
(lastX < bmp.Width && lastY < bmp.Height))
{
graphics.DrawLine(pen, lastX, lastY, cx, cy);
}
lastX = cx;
lastY = cy;
}
}
}
}
}
}
}
/// <summary>
/// Draws the Map using the loaded Shapefile on bitmap.
/// </summary>
/// <param name="bmp">Bitmap to be draw</param>
/// <param name="gc">Initialized GeoConverter</param>
/// <param name="color">Color of the lines</param>
/// <param name="lineWidth">Thickness of the Lines</param>
public void DrawMap(ref Bitmap bmp, GeoConverter gc, Color color, int lineWidth = 5, bool fixCrop = false, bool useOldDrawMap = false)
{
if (shapeFile == null)
{
UIConsole.Error("Trying to draw a Map without a loaded shapefile!");
return;
}
if (useOldDrawMap)
{
OldDrawMap(ref bmp, gc, color, lineWidth, fixCrop);
}
else
{
NewDrawMap(ref bmp, gc, color, lineWidth, fixCrop);
}
}
private void NewDrawMap(ref Bitmap bmp, GeoConverter gc, Color color, int lineWidth = 5, bool fixCrop = false, bool useOldDrawMap = false)
{
Pen pen = new Pen(color, lineWidth);
using (var graphics = Graphics.FromImage(bmp)) {
graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
lock (shapeFile) { // TODO: This is BAD, SO BAD, PLEASE FIX ME
// Thats because for some reason running this in multiple
// threads is causing Features to be modified (wtf?)
foreach (var f in shapeFile.Features.ToList())
{
for (int i = 0; i < f.NumGeometries; i++)
{
var geom = f.GetBasicGeometryN(i);
var k = geom.Coordinates;
List <PointF> points = new List <PointF> ();
foreach (var z in k)
{
float lon = (float)z.X;
float lat = (float)z.Y;
var xy = gc.latlon2xy(lat, lon);
float cx = (float)xy.Item1;
float cy = (float)xy.Item2;
if (fixCrop)
{
cx -= gc.CropLeft;
}
points.Add(new PointF(cx, cy));
}
// Search if any of the points are inside the image
foreach (var p in points)
{
if (p.X > 0 && p.X < bmp.Width && p.Y > 0 && p.Y < bmp.Height)
{
graphics.DrawPolygon(pen, points.ToArray());
break;
}
}
}
}
}
}
}
