/* Professional Windows GUI Programming Using C# by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, Zach Greenvoss, Shripad Kulkarni, Neil Whitlow Publisher: Peer Information ISBN: 1861007663 */ using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Drawing.Drawing2D; // PathGradientBrush namespace PathGradient { /// <summary> /// Summary description for PathGradient. /// </summary> public class PathGradient : System.Windows.Forms.Form { /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; public PathGradient() { // // Required for Windows Form Designer support // InitializeComponent(); this.Text = "PathGradient - CenterPoint"; // // 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() { // // PathGradient // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(256, 213); this.Name = "PathGradient"; this.Text = "PathGradient"; } #endregion /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new PathGradient()); } protected override void OnPaint(PaintEventArgs e) { Graphics g = e.Graphics; Font f = new Font(new FontFamily("Times New Roman"), 10); Brush fb = new SolidBrush(Color.Black); GraphicsPath gp; PathGradientBrush pGB; // namespace System.Drawing.Drawing2D; Rectangle rec; Color cR = Color.Red, cW = Color.White, cY = Color.Yellow; int w = 100, h = 70; // Left upper rectangle: g.DrawString("Center", f, fb, 10, 5); gp = new GraphicsPath(); rec = new Rectangle(10, 20, w, h); gp.AddRectangle(rec); pGB = new PathGradientBrush(gp); pGB.CenterPoint = new Point(10 + w/2, 20 + h/2); pGB.CenterColor = cR; pGB.SurroundColors = new Color[1]{cW}; g.FillRectangle(pGB, rec); // Right upper rectangle: g.DrawString("Center - 2 x 2 Colors", f, fb, w + 20, 5); gp = new GraphicsPath(); rec = new Rectangle(20 + w, 20, w, h); gp.AddRectangle(rec); pGB = new PathGradientBrush(gp); pGB.CenterPoint = new Point(w + 20 + w/2, 20 + h/2); pGB.CenterColor = cR; pGB.SurroundColors = new Color[4]{cW, cY, cW, cY}; g.FillRectangle(pGB, rec); // Left down rectangle: g.DrawString("LefTopCenter", f, fb, 10, h + 25); gp = new GraphicsPath(); rec = new Rectangle(10, h + 40, w, h); gp.AddRectangle(rec); pGB = new PathGradientBrush(gp); pGB.CenterPoint = new Point(10, h + 40); pGB.CenterColor = cR; pGB.SurroundColors = new Color[1]{cW}; g.FillRectangle(pGB, rec); // Ellipse g.DrawString("Top", f, fb, w + 20, h + 25); gp = new GraphicsPath(); rec = new Rectangle(w + 20, h + 40, w, h); gp.AddEllipse(rec); pGB = new PathGradientBrush(gp); pGB.CenterPoint = new Point(w + 20 + w/2, h + 40); pGB.CenterColor = cR; pGB.SurroundColors = new Color[1]{cW}; g.FillRectangle(pGB, rec); g.Dispose(); fb.Dispose(); } } }