using System;

using System.Drawing;

using System.Drawing.Drawing2D;

using SharpMap;

using SharpMap.Layers;

using SharpMap.Data.Providers;

using SharpMap.Styles;

namespace WinFormSamples.Samples

{

public class OracleSample

{

public static Map InitializeMap(float angle)

{

//Initialize a new map of size 'imagesize'

Map map = new Map();

//Set up the countries layer

VectorLayer layCountries = new VectorLayer("OracleSample");

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

layCountries.DataSource = new SharpMap.Data.Providers.Oracle("system", "metsys", "127.0.0.1",

"COUNTRIES", "GEOM", "ID");

//System.Diagnostics.Debug.WriteLine(layCountries.DataSource.GetGeometryByID(101).ToString());

//Set fill-style to green

layCountries.Style.Fill = new SolidBrush(Color.Green);

//Set the polygons to have a black outline

layCountries.Style.Outline = Pens.Black;

layCountries.Style.EnableOutline = true;

//Set up a river layer

VectorLayer layRivers = new SharpMap.Layers.VectorLayer("Rivers");

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

layRivers.DataSource = new SharpMap.Data.Providers.Oracle("system", "metsys", "127.0.0.1", "RIVERS", "GEOM", "ID");

//Define a blue 1px wide pen

layRivers.Style.Line = new Pen(Color.Blue, 1);

//Set up a river layer

VectorLayer layCities = new VectorLayer("Cities");

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

layCities.DataSource = new SharpMap.Data.Providers.Oracle("system", "metsys", "127.0.0.1", "CITIES", "GEOM", "ID");

layCities.Style.SymbolScale = 0.8f;

layCities.MaxVisible = 40;

//Set up a country label layer

LabelLayer layLabel = new LabelLayer("Country labels")

{

DataSource = layCountries.DataSource,

Enabled = true,

LabelColumn = "NAME",

MaxVisible = 90,

MinVisible = 30,

MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest,

LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection,

PriorityColumn = "POPDENS",

Style = new LabelStyle()

{

ForeColor = Color.White,

Font = new Font(FontFamily.GenericSerif, 12),

BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0)),

HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,

CollisionDetection = true

}

};

////Set up a city label layer

LabelLayer layCityLabel = new LabelLayer("City labels")

{

DataSource = layCities.DataSource,

Enabled = true,

LabelColumn = "NAME",

PriorityColumn = "POPULATION",

PriorityDelegate = delegate(SharpMap.Data.FeatureDataRow fdr)

{

Int32 retVal = 10000000 * ((String)fdr["capital"] == "Y" ? 1 : 0);

return retVal + Convert.ToInt32(fdr["population"]);

},

TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias,

SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias,

LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection,

Style = new LabelStyle()

{

ForeColor = Color.Black,

Font = new Font(FontFamily.GenericSerif, 11),

MaxVisible = layLabel.MinVisible,

HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left,

VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom,

Offset = new PointF(3, 3),

Halo = new Pen(Color.Yellow, 2),

CollisionDetection = true

}

};

//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(layCountries);

map.Layers.Add(layRivers);

map.Layers.Add(layCities);

map.Layers.Add(layLabel);

map.Layers.Add(layCityLabel);

//limit the zoom to 360 degrees width

map.MaximumZoom = 360;

map.BackColor = Color.LightBlue;

map.ZoomToExtents(); // = 360;

Matrix mat = new Matrix();

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

map.MapTransform = mat;

return map;

}

}

}