www.pudn.com > GDIPlusCF.zip > BrushDemo.cs

using System; 
using System.Collections.Generic; 
using System.ComponentModel; 
using System.Data; 
using System.Drawing; 
using System.Text; 
using System.Windows.Forms; 
using OpenNETCF.GDIPlus; 
 
namespace TestApp1 
{ 
    public partial class BrushDemo : Form 
    { 
        SolidBrushPlus brSolid; 
        TextureBrushPlus brTexture; 
        HatchBrush brHatch; 
        LinearGradientBrush brLinGrad; 
        PathGradientBrush brPathGrad; 
 
        public BrushDemo() 
        { 
            InitializeComponent(); 
        } 
 
        private void BrushDemo_Load(object sender, EventArgs e) 
        { 
            CreateObjects(); 
        } 
 
        private void BrushDemo_Closing(object sender, CancelEventArgs e) 
        { 
            DestroyObjects(); 
        } 
 
        private void CreateObjects() 
        { 
            brSolid = new SolidBrushPlus(Color.CornflowerBlue); 
             
            brHatch = new HatchBrush(HatchStyle.HatchStyle25Percent,  
                Color.Black, Color.White); 
             
            string bitmapPath = System.IO.Path.GetDirectoryName(GetType().Assembly.GetModules()[0].FullyQualifiedName); 
            bitmapPath = System.IO.Path.Combine(bitmapPath, "brushPattern.bmp"); 
            StreamOnFile sf = new StreamOnFile(bitmapPath); 
            ImagePlus img = new ImagePlus(sf, false); 
            brTexture = new TextureBrushPlus(img, WrapMode.WrapModeTile); 
            brLinGrad = new LinearGradientBrush(new GpPointF(0, 0),  
                new GpPointF(50, 50), Color.Black, Color.White); 
             
            // Create rectangular path 
            GraphicsPath path = new GraphicsPath(FillMode.FillModeAlternate); 
            path.AddRectangle(new GpRectF( 0, 0, ClientRectangle.Width,  
                ClientRectangle.Height / 5)); 
             
            // Create rectangular gradient brush 
            // with red in center and black in the corners 
            brPathGrad = new PathGradientBrush(path); 
            brPathGrad.SetCenterColor(Color.Red); 
            int count = 2; 
            brPathGrad.SetSurroundColors(new Color[] { Color.Black, Color.Black },  
                ref count); 
        } 
 
        private void DestroyObjects() 
        { 
            brSolid.Dispose(); 
            brTexture.Dispose(); 
            brPathGrad.Dispose(); 
            brLinGrad.Dispose(); 
            brHatch.Dispose(); 
        } 
 
        private void Draw(Graphics graphics, GraphicsPlus g) 
        { 
            int deltaH = ClientRectangle.Height / 5; 
            GpRectF rc = new GpRectF(0, 0, ClientRectangle.Width, deltaH); 
 
            g.FillRectangle(brPathGrad, rc); 
            rc.Offset(0, deltaH); 
 
            g.FillRectangle(brSolid, rc); 
            rc.Offset(0, deltaH); 
 
            g.FillRectangle(brHatch, rc); 
            rc.Offset(0, deltaH); 
 
            g.FillRectangle(brLinGrad, rc); 
            rc.Offset(0, deltaH); 
 
            g.FillRectangle(brTexture, rc); 
            rc.Offset(0, deltaH); 
 
            Rectangle rcText = new Rectangle(0, 0, ClientRectangle.Width, deltaH); 
            StringFormat sf = new StringFormat(); 
            sf.LineAlignment = sf.Alignment = System.Drawing.StringAlignment.Center; 
 
            using (SolidBrush brText =new SolidBrush(Color.White)) 
            using (Font fnt = new Font("Tahoma", 9, System.Drawing.FontStyle.Bold)) 
            { 
                graphics.DrawString("PathGradient Brush", fnt, brText, rcText, sf); 
                rcText.Offset(0, deltaH); 
 
                brText.Color = Color.Black; 
                graphics.DrawString("Solid Brush", fnt, brText, rcText, sf); 
                rcText.Offset(0, deltaH); 
 
                graphics.DrawString("Hatch Brush", fnt, brText, rcText, sf); 
                rcText.Offset(0, deltaH); 
 
                graphics.DrawString("LinearGradient Brush", fnt, brText, rcText, sf); 
                rcText.Offset(0, deltaH); 
 
                graphics.DrawString("Texture Brush", fnt, brText, rcText, sf); 
                rcText.Offset(0, deltaH); 
 
            } 
        } 
 
        protected override void OnPaint(PaintEventArgs e) 
        { 
            IntPtr hdc = e.Graphics.GetHdc(); 
            using (GraphicsPlus g = new GraphicsPlus(hdc)) 
                Draw (e.Graphics, g); 
            e.Graphics.ReleaseHdc(hdc); 
        } 
    } 
}