public MainForm()
{
InitializeComponent();
if(!DesignMode)
{
try
{
System.Net.IPHostEntry e = System.Net.Dns.GetHostEntry("www.bing.com");
}
catch
{
mapControl.Manager.Mode = AccessMode.CacheOnly;
MessageBox.Show("No internet connection avaible, going to CacheOnly mode.", "GMap.NET - CloudsDemo", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
mapControl.MapProvider = GMapProviders.BingSatelliteMap;
mapControl.OnMapZoomChanged += new MapZoomChanged(mapControl_OnMapZoomChanged);
mainOverlay = new GMapOverlay("top");
mapControl.Overlays.Add(mainOverlay);
clouds = new GMapImage(gtl);
clouds.Image = Properties.Resources.USOverlay;
mainOverlay.Markers.Add(clouds);
}
}
void worker_DoWork(object sender, DoWorkEventArgs e)
{
try
{
//string conn = @"Database=mapcache-841;Data Source=127.0.0.1;pooling=false;Charset=utf8;port=3306;User Id=root;password=luxx";
using (MySqlConnection cnGet = new MySqlConnection(this.connString))
{
cnGet.Open();
int mapType = this.exportParameter.MapProvider.DbId;
for (int mapZoom = exportParameter.MinZoom; mapZoom <= exportParameter.MaxZoom; ++mapZoom)
{
int progress = Convert.ToInt32((mapZoom - exportParameter.MinZoom + 1) * 100 / (exportParameter.MaxZoom - exportParameter.MinZoom + 1));
worker.ReportProgress(progress, new TileExportEventArgs(mapZoom));
using (MySqlCommand cmdFetch = cnGet.CreateCommand())
{
cmdFetch.CommandText = String.Format("SELECT * FROM `gmapnetcache` where Type={0} and Zoom={1}", mapType, mapZoom);
cmdFetch.Prepare();
using (MySqlDataReader odata = cmdFetch.ExecuteReader())
{
while (odata.Read())
{
try
{
int type = odata.GetInt32("Type");
if (type == mapType)
{
int zoom = odata.GetInt32("Zoom");
if (zoom == mapZoom)
{
long x = odata.GetInt64("X");
long y = odata.GetInt64("Y");
GPoint point = new GPoint(x, y);
byte[] imageByte = new byte[odata.GetBytes(odata.GetOrdinal("Tile"), 0, null, 0, int.MaxValue)];
odata.GetBytes(odata.GetOrdinal("Tile"), 0, imageByte, 0, imageByte.Length);
GMapImage image = new GMapImage();
MemoryStream memoryStream = new MemoryStream(imageByte);
image.Img = System.Drawing.Image.FromStream(memoryStream);
image.Data = memoryStream;
WriteTileToDisk(image, zoom, point);
}
}
}
catch (Exception ex)
{
log.Error(ex);
}
}
}
}
}
}
}
catch (Exception ex)
{
log.Error(ex);
}
}
public void addLayers()
{
GMapImage layer;
foreach (Bitmap b in Layers)
{
layer = new GMapImage(ViewArea.LocationTopLeft);
layer.Image = b;
mainOverlay.Markers.Clear();
mainOverlay.Markers.Add(layer);
}
}
public override PureImage GetTileImage(GPoint pos, int zoom)
{
var __PureImage = new GMapImage
{
Data = new MemoryStream(_默认数据, 0, _默认数据.Length, false, true)
{
Position = 0
}
};
__PureImage.Img = Image.FromStream(__PureImage.Data);
return(__PureImage);
}
private bool CacheTiles(int zoom, GPoint p, GMapProvider provider, Graphics gfx, GPoint topLeftPx)
{
foreach (var pr in provider.Overlays)
{
Exception ex;
GMapImage tile = GMaps.Instance.GetImageFrom(pr, p, zoom, out ex) as GMapImage;
if (tile != null)
{
using (tile)
{
long x = p.X * this.provider.Projection.TileSize.Width - topLeftPx.X;
long y = p.Y * this.provider.Projection.TileSize.Width - topLeftPx.Y;
gfx.DrawImage(tile.Img, x, y, this.provider.Projection.TileSize.Width, this.provider.Projection.TileSize.Height);
}
}
else
{
return(false);
}
}
return(true);
}
void getImage()
{
GMapProvider type = GMap.NET.MapProviders.GoogleSatelliteMapProvider.Instance;
PureProjection prj = type.Projection;
//GMap.NET.GMaps.Instance.GetImageFrom();
DateTime startimage = DateTime.Now;
if (!area.IsEmpty)
{
try
{
//string bigImage = zoom + "-" + type + "-vilnius.png";
//Console.WriteLine("Preparing: " + bigImage);
//Console.WriteLine("Zoom: " + zoom);
//Console.WriteLine("Type: " + type.ToString());
//Console.WriteLine("Area: " + area);
var types = type; // GMaps.Instance.GetAllLayersOfType(type);
// max zoom level
zoom = 20;
GPoint topLeftPx = prj.FromLatLngToPixel(area.LocationTopLeft, zoom);
GPoint rightButtomPx = prj.FromLatLngToPixel(area.Bottom, area.Right, zoom);
GPoint pxDelta = new GPoint(rightButtomPx.X - topLeftPx.X, rightButtomPx.Y - topLeftPx.Y);
// zoom based on pixel density
while (pxDelta.X > 2000)
{
zoom--;
// current area
topLeftPx = prj.FromLatLngToPixel(area.LocationTopLeft, zoom);
rightButtomPx = prj.FromLatLngToPixel(area.Bottom, area.Right, zoom);
pxDelta = new GPoint(rightButtomPx.X - topLeftPx.X, rightButtomPx.Y - topLeftPx.Y);
}
// get tiles - bg
core.Provider = type;
core.Position = LocationCenter;
core.Zoom = zoom;
// get type list at new zoom level
List <GPoint> tileArea = prj.GetAreaTileList(area, zoom, 0);
//this.Invalidate();
Console.WriteLine((startimage - DateTime.Now).TotalMilliseconds);
int padding = 0;
{
using (
Bitmap bmpDestination = new Bitmap((int)pxDelta.X + padding * 2, (int)pxDelta.Y + padding * 2)
)
{
Console.WriteLine((startimage - DateTime.Now).TotalMilliseconds);
using (Graphics gfx = Graphics.FromImage(bmpDestination))
{
Console.WriteLine((startimage - DateTime.Now).TotalMilliseconds);
gfx.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceOver;
gfx.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighSpeed;
gfx.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
// get tiles & combine into one
foreach (var p in tileArea)
{
Console.WriteLine("Downloading[" + p + "]: " + tileArea.IndexOf(p) + " of " +
tileArea.Count);
foreach (var tp in type.Overlays)
{
Console.WriteLine((startimage - DateTime.Now).TotalMilliseconds);
GMapImage tile =
((PureImageCache)Maps.MyImageCache.Instance).GetImageFromCache(type.DbId, p,
zoom) as GMapImage;
//GMapImage tile = GMaps.Instance.GetImageFrom(tp, p, zoom, out ex) as GMapImage;
//GMapImage tile = type.GetTileImage(p, zoom) as GMapImage;
//tile.Img.Save(zoom + "-" + p.X + "-" + p.Y + ".bmp");
if (tile != null)
{
using (tile)
{
long x = p.X * prj.TileSize.Width - topLeftPx.X + padding;
long y = p.Y * prj.TileSize.Width - topLeftPx.Y + padding;
{
Console.WriteLine((startimage - DateTime.Now).TotalMilliseconds);
gfx.DrawImage(tile.Img, x, y, prj.TileSize.Width,
prj.TileSize.Height);
Console.WriteLine((startimage - DateTime.Now).TotalMilliseconds);
}
}
}
else
{
}
}
}
}
Console.WriteLine((startimage - DateTime.Now).TotalMilliseconds);
_terrain = new Bitmap(bmpDestination, 1024 * 2, 1024 * 2);
// _terrain.Save(zoom +"-map.bmp");
GL.BindTexture(TextureTarget.Texture2D, texture);
BitmapData data =
_terrain.LockBits(new System.Drawing.Rectangle(0, 0, _terrain.Width, _terrain.Height),
ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
//Console.WriteLine("w {0} h {1}",data.Width, data.Height);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, data.Width, data.Height,
0,
OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
_terrain.UnlockBits(data);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter,
(int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter,
(int)TextureMagFilter.Linear);
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
}
void getImage()
{
GMapProvider type = GMap.NET.MapProviders.GoogleSatelliteMapProvider.Instance;
PureProjection prj = type.Projection;
if (!area.IsEmpty)
{
try
{
List <GPoint> tileArea = prj.GetAreaTileList(area, zoom, 0);
//string bigImage = zoom + "-" + type + "-vilnius.png";
//Console.WriteLine("Preparing: " + bigImage);
//Console.WriteLine("Zoom: " + zoom);
//Console.WriteLine("Type: " + type.ToString());
//Console.WriteLine("Area: " + area);
var types = type;// GMaps.Instance.GetAllLayersOfType(type);
// current area
GPoint topLeftPx = prj.FromLatLngToPixel(area.LocationTopLeft, zoom);
GPoint rightButtomPx = prj.FromLatLngToPixel(area.Bottom, area.Right, zoom);
GPoint pxDelta = new GPoint(rightButtomPx.X - topLeftPx.X, rightButtomPx.Y - topLeftPx.Y);
DateTime startimage = DateTime.Now;
int padding = 0;
{
using (Bitmap bmpDestination = new Bitmap((int)pxDelta.X + padding * 2, (int)pxDelta.Y + padding * 2))
{
using (Graphics gfx = Graphics.FromImage(bmpDestination))
{
gfx.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceOver;
// get tiles & combine into one
foreach (var p in tileArea)
{
Console.WriteLine("Downloading[" + p + "]: " + tileArea.IndexOf(p) + " of " + tileArea.Count);
//foreach (GMapProvider tp in types)
{
GMapImage tile = type.GetTileImage(p, zoom) as GMapImage;
if (tile != null)
{
using (tile)
{
long x = p.X * prj.TileSize.Width - topLeftPx.X + padding;
long y = p.Y * prj.TileSize.Width - topLeftPx.Y + padding;
{
gfx.DrawImage(tile.Img, x, y, prj.TileSize.Width, prj.TileSize.Height);
}
}
}
}
if ((DateTime.Now - startimage).TotalMilliseconds > 200)
{
break;
}
}
}
_terrain = new Bitmap(bmpDestination, 512, 512);
GL.BindTexture(TextureTarget.Texture2D, texture);
BitmapData data = _terrain.LockBits(new System.Drawing.Rectangle(0, 0, _terrain.Width, _terrain.Height),
ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
//Console.WriteLine("w {0} h {1}",data.Width, data.Height);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, data.Width, data.Height, 0,
OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
_terrain.UnlockBits(data);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
}
}
if ((DateTime.Now - startimage).TotalMilliseconds > 200)
{
zoom--;
}
else
{
//zoom++;
}
}
catch { }
}
}
static Bitmap GetMap(RectLatLng area)
{
GMapProvider type = GMap.NET.MapProviders.GoogleSatelliteMapProvider.Instance;
PureProjection prj = type.Projection;
int zoom = 16;
GPoint topLeftPx = prj.FromLatLngToPixel(area.LocationTopLeft, zoom);
GPoint rightButtomPx = prj.FromLatLngToPixel(area.Bottom, area.Right, zoom);
GPoint pxDelta = new GPoint(rightButtomPx.X - topLeftPx.X, rightButtomPx.Y - topLeftPx.Y);
// zoom based on pixel density
while (pxDelta.X > 2000)
{
zoom--;
// current area
topLeftPx = prj.FromLatLngToPixel(area.LocationTopLeft, zoom);
rightButtomPx = prj.FromLatLngToPixel(area.Bottom, area.Right, zoom);
pxDelta = new GPoint(rightButtomPx.X - topLeftPx.X, rightButtomPx.Y - topLeftPx.Y);
}
// get type list at new zoom level
List <GPoint> tileArea = prj.GetAreaTileList(area, zoom, 0);
int padding = 10;
Bitmap bmpDestination = new Bitmap((int)pxDelta.X + padding * 2, (int)pxDelta.Y + padding * 2);
{
using (Graphics gfx = Graphics.FromImage(bmpDestination))
{
gfx.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceOver;
// get tiles & combine into one
foreach (var p in tileArea)
{
Console.WriteLine("Downloading[" + p + "]: " + tileArea.IndexOf(p) + " of " + tileArea.Count);
foreach (var tp in type.Overlays)
{
Exception ex;
GMapImage tile = GMaps.Instance.GetImageFrom(tp, p, zoom, out ex) as GMapImage;
if (tile != null)
{
using (tile)
{
long x = p.X * prj.TileSize.Width - topLeftPx.X + padding;
long y = p.Y * prj.TileSize.Width - topLeftPx.Y + padding;
{
gfx.DrawImage(tile.Img, x, y, prj.TileSize.Width, prj.TileSize.Height);
}
}
}
}
}
}
return(bmpDestination);
}
}
