■ PathGradientBrush 클래스 사용하기

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TestProject.zip


MainForm.cs

 

 

using System;

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Windows.Forms;

 

namespace TestProject

{

    /// <summary>

    /// 메인 폼

    /// </summary>

    public partial class MainForm : Form

    {

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

        ////////////////////////////////////////////////////////////////////////////////////////// Public

 

        #region 생성자 - MainForm()

 

        /// <summary>

        /// 생성자

        /// </summary>

        public MainForm()

        {

            InitializeComponent();

 

            ResizeRedraw = true;

 

            #region 이벤트를 설정한다.

 

            this.Paint += Form_Paint;

 

            #endregion

        }

 

        #endregion

 

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method

        ////////////////////////////////////////////////////////////////////////////////////////// Private

        //////////////////////////////////////////////////////////////////////////////// Event

 

        #region 폼 페인트시 처리하기 - Form_Paint(sender, e)

 

        /// <summary>

        /// 폼 페인트시 처리하기

        /// </summary>

        /// <param name="sender">이벤트 발생자</param>

        /// <param name="e">이벤트 인자</param>

        private void Form_Paint(object sender, PaintEventArgs e)

        {

            int      sideCount  = 8;

            PointF[] pointArray = new PointF[sideCount];

 

            int centerX = (int)(ClientSize.Width  / 2);

            int centerY = (int)(ClientSize.Height / 2);

 

            double theta  = 0;

            double dtheta = 2 * Math.PI / sideCount;

 

            for(int i = 0; i < pointArray.Length; i++)

            {

                pointArray[i].X = (int)(centerX + centerX * Math.Cos(theta));

                pointArray[i].Y = (int)(centerY + centerY * Math.Sin(theta));

 

                theta += dtheta;

            }

 

            using(PathGradientBrush brush = new PathGradientBrush(pointArray))

            {

                brush.CenterColor = Color.White;

 

                brush.SurroundColors = new Color[]

                {

                    Color.Red,

                    Color.Yellow,

                    Color.Lime,

                    Color.Cyan,

                    Color.Blue,

                    Color.Magenta

                };

                    

                e.Graphics.FillPolygon(brush, pointArray);

            }

 

            e.Graphics.DrawPolygon(Pens.Black, pointArray);

        }

 

        #endregion

    }

}

 

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Posted by 사용자 icodebroker

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