WinForm.cs source

Documentation | Samples | CustomPaint | Sources | WinForm.cs

WinForms C# sample source code.

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using TatukGIS.NDK;
using TatukGIS.NDK.WinForms;
 
namespace CustomPaint
{
    /// <summary>
    /// Summary description for WinForm.
    /// </summary>
    public class WinForm : System.Windows.Forms.Form
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components;
        private TatukGIS.NDK.WinForms.TGIS_ViewerWnd GIS;
        private TGIS_LayerVector ll;
        private TGIS_Bitmap bmp;
        private Button btnChangeRenderer;
        private int[] px;
 
 
        public WinForm()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();
 
            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }
 
        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                if (components != null)
                {
                    components.Dispose();
                }
            }
            base.Dispose(disposing);
        }
 
        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(WinForm));
            this.GIS = new TatukGIS.NDK.WinForms.TGIS_ViewerWnd();
            this.btnChangeRenderer = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // GIS
            // 
            this.GIS.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
            | System.Windows.Forms.AnchorStyles.Left)
            | System.Windows.Forms.AnchorStyles.Right)));
            this.GIS.CursorFor3DSelect = null;
            this.GIS.CursorForCameraZoom = null;
            this.GIS.Location = new System.Drawing.Point(0, 41);
            this.GIS.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
            this.GIS.Name = "GIS";
            this.GIS.SelectionColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(0)))), ((int)(((byte)(0)))));
            this.GIS.Size = new System.Drawing.Size(784, 520);
            this.GIS.TabIndex = 3;
            this.GIS.PaintExtraEvent += new TatukGIS.NDK.TGIS_RendererEvent(this.GIS_PaintExtraEvent);
            // 
            // btnChangeRenderer
            // 
            this.btnChangeRenderer.Location = new System.Drawing.Point(12, 12);
            this.btnChangeRenderer.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
            this.btnChangeRenderer.Name = "btnChangeRenderer";
            this.btnChangeRenderer.Size = new System.Drawing.Size(130, 23);
            this.btnChangeRenderer.TabIndex = 0;
            this.btnChangeRenderer.Text = "Change to WinForms";
            this.btnChangeRenderer.UseVisualStyleBackColor = true;
            this.btnChangeRenderer.Click += new System.EventHandler(this.btnChangeRenderer_Click);
            // 
            // WinForm
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(96F, 96F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Dpi;
            this.ClientSize = new System.Drawing.Size(784, 561);
            this.Controls.Add(this.btnChangeRenderer);
            this.Controls.Add(this.GIS);
            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
            this.Location = new System.Drawing.Point(200, 120);
            this.Name = "WinForm";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "TatukGIS Samples - CustomPaint";
 
            this.Load += new System.EventHandler(this.WinForm_Load);
            this.ResumeLayout(false);
 
        }
        #endregion
 
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new WinForm());
        }
 
        private void initialize_pixels()
        {
            px = new int[25];
 
            px[0] = unchecked((int)0xFFFF0000);
            px[1] = unchecked((int)0xFFFF0000);
            px[2] = unchecked((int)0xFFFF0000);
            px[3] = unchecked((int)0xFFFF0000);
            px[4] = unchecked((int)0xFFFF0000);
            px[5] = unchecked((int)0x00000000);
            px[6] = unchecked((int)0x00000000);
            px[7] = unchecked((int)0xFF0000FF);
            px[8] = unchecked((int)0x00000000);
            px[9] = unchecked((int)0x00000000);
            px[10] = unchecked((int)0x00000000);
            px[11] = unchecked((int)0x00000000);
            px[12] = unchecked((int)0xFF0000FF);
            px[13] = unchecked((int)0x00000000);
            px[14] = unchecked((int)0x00000000);
            px[15] = unchecked((int)0x00000000);
            px[16] = unchecked((int)0x00000000);
            px[17] = unchecked((int)0xFF0000FF);
            px[18] = unchecked((int)0x00000000);
            px[19] = unchecked((int)0x00000000);
            px[20] = unchecked((int)0x00000000);
            px[21] = unchecked((int)0x00000000);
            px[22] = unchecked((int)0xFF0000FF);
            px[23] = unchecked((int)0x00000000);
            px[23] = unchecked((int)0x00000000);
        }
 
        private void WinForm_Load(object sender, System.EventArgs e)
        {
            TGIS_Shape shp;
 
            initialize_pixels();
 
            ll = new TGIS_LayerVector();
            ll.Name = "CustomPaint";
 
            GIS.Add(ll);
 
            ll.PaintShapeEvent += GIS_PaintShapeEvent;
 
            ll.AddField("type", TGIS_FieldType.String, 100, 0);
            ll.Extent = GIS.Extent;
 
            shp = ll.CreateShape(TGIS_ShapeType.Point);
            shp.Lock(TGIS_Lock.Extent);
            shp.AddPart();
            shp.AddPoint(TGIS_Utils.GisPoint(-25, 25));
            shp.Params.Marker.Size = 0;
            shp.SetField("type", "Rectangle");
            shp.Unlock();
 
            shp = ll.CreateShape(TGIS_ShapeType.Point);
            shp.Lock(TGIS_Lock.Extent);
            shp.AddPart();
            shp.AddPoint(TGIS_Utils.GisPoint(25, 25));
            shp.Params.Marker.Size = 0;
            shp.SetField("type", "Ellipse");
            shp.Unlock();
 
            shp = ll.CreateShape(TGIS_ShapeType.Point);
            shp.Lock(TGIS_Lock.Extent);
            shp.AddPart();
            shp.AddPoint(TGIS_Utils.GisPoint(-25, -25));
            shp.Params.Marker.Size = 0;
            shp.SetField("type", "Image1");
            shp.Unlock();
 
            shp = ll.CreateShape(TGIS_ShapeType.Point);
            shp.Lock(TGIS_Lock.Extent);
            shp.AddPart();
            shp.AddPoint(TGIS_Utils.GisPoint(25, -25));
            shp.Params.Marker.Size = 0;
            shp.SetField("type", "Image2");
            shp.Unlock();
 
            ll.Extent = TGIS_Utils.GisExtent(-100, -100, 100, 100);
 
            bmp = new TGIS_Bitmap();
            bmp.LoadFromFile(TGIS_Utils.GisSamplesDataDir() + @"Symbols\police.bmp");
 
            GIS.FullExtent();
        }
 
        private void GIS_PaintShapeEvent(object _sender, TGIS_ShapeEventArgs _e)
        {
            Point pt;
            TGIS_RendererAbstract rdr;
 
            pt = GIS.MapToScreen(_e.Shape.PointOnShape());
            _e.Shape.Draw();
            rdr = (TGIS_RendererAbstract)_e.Shape.Layer.Renderer;
 
            //Drawing with our renderer
            if ((String)_e.Shape.GetField("type") == "Rectangle")
            {
                rdr.CanvasPen.Color = TGIS_Color.Red;
                rdr.CanvasBrush.Color = TGIS_Color.Yellow;
                rdr.CanvasDrawRectangle(new Rectangle(pt.X, pt.Y, 20, 20));
                pt.Y = pt.Y - 20;
                rdr.CanvasDrawText(new Rectangle(pt.X, pt.Y, 50, 20), "Rectangle");
            }
            else if ((String)_e.Shape.GetField("type") == "Ellipse")
            {
                rdr.CanvasPen.Color = TGIS_Color.Black;
                rdr.CanvasBrush.Color = TGIS_Color.Red;
                rdr.CanvasDrawEllipse(pt.X, pt.Y, 20, 20);
                pt.Y = pt.Y - 20;
                rdr.CanvasDrawText(new Rectangle(pt.X, pt.Y, 50, 20), "Ellipse");
            }
            else if ((String)_e.Shape.GetField("type") == "Image1")
            {
                rdr.CanvasDrawBitmap(
                bmp,
                new Rectangle(
                  pt.X,
                  pt.Y,
                  20,
                  20
                ));
                pt.Y = pt.Y - 20;
                rdr.CanvasDrawText(new Rectangle(pt.X, pt.Y, 50, 20), "Image1");
            }
            else if ((String)_e.Shape.GetField("type") == "Image2")
            {
                rdr.CanvasDrawBitmap(
                  px,
                  new Point(5, 5),
                  new Rectangle(pt.X, pt.Y, 20, 20),
                  TGIS_BitmapFormat.ARGB,
                  TGIS_BitmapLinesOrder.Down
                );
                pt.Y = pt.Y - 20;
                rdr.CanvasDrawText(new Rectangle(pt.X, pt.Y, 50, 20), "Image2");
            }
 
        }
 
        private void GIS_PaintExtraEvent(object _sender, TGIS_RendererEventArgs _e)
        {
            Graphics cnvWinForms;
            Font fontWinForms;
            Brush brush;
 
            SharpDX.Direct2D1.RenderTarget cnvSharpDX;
            SharpDX.Vector2 vector;
            SharpDX.DirectWrite.TextLayout txtl;
            SharpDX.DirectWrite.TextFormat txtf;
            SharpDX.DirectWrite.Factory factory;
            SharpDX.Direct2D1.Brush brushSharpDX;
 
            // drawing with native objects, not recommended
            if (_e.Renderer is TGIS_RendererWinForms)
            {
                fontWinForms = new Font(this.Font, FontStyle.Regular);
                brush = new SolidBrush(Color.Blue);
                cnvWinForms = (Graphics)_e.Renderer.CanvasNative();
                cnvWinForms.DrawString("Hello from WinForms", fontWinForms, brush, new Point(50, 50));
            }
            else
            if (_e.Renderer is TGIS_RendererSharpDX)
            {
 
                cnvSharpDX = (SharpDX.Direct2D1.RenderTarget)_e.Renderer.CanvasNative();
 
                vector = new SharpDX.Vector2(50, 50);
                factory = new SharpDX.DirectWrite.Factory(SharpDX.DirectWrite.FactoryType.Shared);
                brushSharpDX = new SharpDX.Direct2D1.SolidColorBrush(cnvSharpDX, SharpDX.Color4.Black);
                txtf = new SharpDX.DirectWrite.TextFormat(
                    factory,
                    "Arial",
                    SharpDX.DirectWrite.FontWeight.Regular,
                    0,
                   12
                );
 
                txtl = new SharpDX.DirectWrite.TextLayout(
                    factory,
                    "Hello from SharpDX",
                    txtf,
                    150,
                    50
                );
 
                cnvSharpDX.DrawTextLayout(
                    vector,
                    txtl,
                    brushSharpDX,
                    SharpDX.Direct2D1.DrawTextOptions.NoSnap
                    );
            }
            else
            {
                //for other renderers
            }
 
 
        }
 
        private void btnChangeRenderer_Click(object sender, EventArgs e)
        {
            if (GIS.Renderer is TGIS_RendererWinForms)
            {
                GIS.Renderer = new TGIS_RendererSharpDX();
                btnChangeRenderer.Text = "Change to WinForms";
            }
            else
            if (GIS.Renderer is TGIS_RendererSharpDX)
            {
                GIS.Renderer = new TGIS_RendererWinForms();
                btnChangeRenderer.Text = "Change to SharpDX";
            }
 
            GIS.InvalidateWholeMap();
        }
    }
}

Full source code available upon product installation.