using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Drawing;

using System.Drawing.Drawing2D;

using SharpMap;

using SharpMap.Data.Providers;

using SharpMap.Layers;

using SharpMap.Rendering;

using SharpMap.Rendering.Symbolizer;

using SharpMap.Styles;

using Point = GeoAPI.Geometries.Coordinate;

namespace WinFormSamples.Samples

{

class TextOnPathSample

{

public static Map InitializeMapOrig(float angle)

{

//Initialize a new map of size 'imagesize'

Map map = new Map();

//Set up the countries layer

VectorLayer layRoads = new VectorLayer("Roads");

//Set the datasource to a shapefile in the App_data folder

layRoads.DataSource = new ShapeFile("GeoData/World/shp_textonpath/DeMo_Quan5.shp", false);

(layRoads.DataSource as ShapeFile).Encoding = Encoding.UTF8;

//Set fill-style to green

layRoads.Style.Fill = new SolidBrush(Color.Yellow);

layRoads.Style.Line = new Pen(Color.Yellow, 4);

//Set the polygons to have a black outline

layRoads.Style.Outline = new Pen(Color.Black, 5); ;

layRoads.Style.EnableOutline = true;

layRoads.SRID = 4326;

//Set up a country label layer

LabelLayer layLabel = new LabelLayer("Roads labels");

layLabel.DataSource = layRoads.DataSource;

layLabel.Enabled = true;

layLabel.LabelColumn = "tenduong";

layLabel.LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection;

layLabel.Style = new LabelStyle();

layLabel.Style.ForeColor = Color.White;

layLabel.Style.Font = new Font(FontFamily.GenericSerif, 9f, FontStyle.Bold);

layLabel.Style.Halo = new Pen(Color.Black, 2f);

layLabel.Style.IsTextOnPath = true;

layLabel.Style.CollisionDetection = true;

//layLabel.Style.BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0));

//layLabel.MaxVisible = 90;

//layLabel.MinVisible = 30;

layLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;

layLabel.SRID = 4326;

//layLabel.MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest;

//Add the layers to the map object.

//The order we add them in are the order they are drawn, so we add the rivers last to put them on top

map.Layers.Add(layRoads);

map.Layers.Add(layLabel);

//limit the zoom to 360 degrees width

//map.MaximumZoom = 360;

// map.BackColor = Color.LightBlue;

map.ZoomToExtents();

Matrix mat = new Matrix();

mat.RotateAt(angle, map.WorldToImage(map.Center));

map.MapTransform = mat;

return map;

}

}

}