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TestProject.zip
다운로드

▶ MainForm.cs

using System;
using System.Drawing;
using System.Windows.Forms;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 비트맵
        /// </summary>
        private Bitmap bitmap;

        /// <summary>
        /// 새로 고침 여부
        /// </summary>
        private bool refresh;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 그리기 버튼 클릭시 처리하기 - drawButton_Click(sender, e)

        /// <summary>
        /// 그리기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void drawButton_Click(object sender, EventArgs e)
        {
            int depth = int.Parse(this.depthTextBox.Text);

            if(depth > 8)
            {
                DialogResult result = MessageBox.Show
                (
                    "깊이가 크면 그리는 시간이 오래 걸릴 수 있습니다. 계속 하시겠습니까?",
                    "확인",
                    MessageBoxButtons.YesNo,
                    MessageBoxIcon.Question
                );

                if(result == DialogResult.No)
                {
                    return;
                }
            }

            Cursor = Cursors.WaitCursor;

            Application.DoEvents();

            this.refresh = this.refreshCheckBox.Checked;

            this.bitmap = new Bitmap(this.canvasPictureBox.ClientSize.Width, this.canvasPictureBox.ClientSize.Height);

            this.canvasPictureBox.Image = this.bitmap;

            using(Graphics graphics = Graphics.FromImage(bitmap))
            {
                graphics.Clear(this.canvasPictureBox.BackColor);

                float deltaX = (float)(this.bitmap.Width  / Math.Pow(2, depth - 1) / 8);
                float deltaY = (float)(this.bitmap.Height / Math.Pow(2, depth - 1) / 8);

                DrawSierpinskiCurve(graphics, depth, deltaX, deltaY);
            }

            this.canvasPictureBox.Refresh();

            Cursor = Cursors.Default;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 시어핀스키 곡선 A 그리기 - DrawSierpinskiCurveA(graphics, depth, deltaX, deltaY, x, y)

        /// <summary>
        /// 시어핀스키 곡선 A 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        /// <param name="depth">깊이</param>
        /// <param name="deltaX">델타 X</param>
        /// <param name="deltaY">델타 Y</param>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        private void DrawSierpinskiCurveA(Graphics graphics, float depth, float deltaX, float deltaY, ref float x, ref float y)
        {
            if(depth > 0)
            {
                depth--;

                DrawSierpinskiCurveA(graphics, depth, deltaX, deltaY, ref x, ref y);

                DrawLine(graphics, ref x, ref y, deltaX, deltaY);

                DrawSierpinskiCurveB(graphics, depth, deltaX, deltaY, ref x, ref y);

                DrawLine(graphics, ref x, ref y, 2 * deltaX, 0);

                DrawSierpinskiCurveD(graphics, depth, deltaX, deltaY, ref x, ref y);

                DrawLine(graphics, ref x, ref y, deltaX, -deltaY);

                DrawSierpinskiCurveA(graphics, depth, deltaX, deltaY, ref x, ref y);
            }

            if(this.refresh)
            {
                this.canvasPictureBox.Refresh();
            }
        }

        #endregion
        #region 시어핀스키 곡선 B 그리기 - DrawSierpinskiCurveB(graphics, depth, deltaX, deltaY, x, y)

        /// <summary>
        /// 시어핀스키 곡선 B 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        /// <param name="depth">깊이</param>
        /// <param name="deltaX">델타 X</param>
        /// <param name="deltaY">델타 Y</param>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        private void DrawSierpinskiCurveB(Graphics graphics, float depth, float deltaX, float deltaY, ref float x, ref float y)
        {
            if(depth > 0)
            {
                depth--;

                DrawSierpinskiCurveB(graphics, depth, deltaX, deltaY, ref x, ref y);

                DrawLine(graphics, ref x, ref y, -deltaX, deltaY);

                DrawSierpinskiCurveC(graphics, depth, deltaX, deltaY, ref x, ref y);

                DrawLine(graphics, ref x, ref y, 0, 2 * deltaY);

                DrawSierpinskiCurveA(graphics, depth, deltaX, deltaY, ref x, ref y);

                DrawLine(graphics, ref x, ref y, deltaX, deltaY);

                DrawSierpinskiCurveB(graphics, depth, deltaX, deltaY, ref x, ref y);
            }

            if(this.refresh)
            {
                this.canvasPictureBox.Refresh();
            }
        }

        #endregion
        #region 시어핀스키 곡선 C 그리기 - DrawSierpinskiCurveC(graphics, depth, deltaX, deltaY, x, y)

        /// <summary>
        /// 시어핀스키 곡선 C 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        /// <param name="depth">깊이</param>
        /// <param name="deltaX">델타 X</param>
        /// <param name="deltaY">델타 Y</param>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        private void DrawSierpinskiCurveC(Graphics graphics, float depth, float deltaX, float deltaY, ref float x, ref float y)
        {
            if(depth > 0)
            {
                depth--;

                DrawSierpinskiCurveC(graphics, depth, deltaX, deltaY, ref x, ref y);

                DrawLine(graphics, ref x, ref y, -deltaX, -deltaY);

                DrawSierpinskiCurveD(graphics, depth, deltaX, deltaY, ref x, ref y);

                DrawLine(graphics, ref x, ref y, -2 * deltaX, 0);

                DrawSierpinskiCurveB(graphics, depth, deltaX, deltaY, ref x, ref y);

                DrawLine(graphics, ref x, ref y, -deltaX, deltaY);

                DrawSierpinskiCurveC(graphics, depth, deltaX, deltaY, ref x, ref y);
            }

            if(this.refresh)
            {
                this.canvasPictureBox.Refresh();
            }
        }

        #endregion
        #region 시어핀스키 곡선 D 그리기 - DrawSierpinskiCurveD(graphics, depth, deltaX, deltaY, x, y)

        /// <summary>
        /// 시어핀스키 곡선 D 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        /// <param name="depth">깊이</param>
        /// <param name="deltaX">델타 X</param>
        /// <param name="deltaY">델타 Y</param>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        private void DrawSierpinskiCurveD(Graphics graphics, float depth, float deltaX, float deltaY, ref float x, ref float y)
        {
            if(depth > 0)
            {
                depth--;

                DrawSierpinskiCurveD(graphics, depth, deltaX, deltaY, ref x, ref y);

                DrawLine(graphics, ref x, ref y, deltaX, -deltaY);

                DrawSierpinskiCurveA(graphics, depth, deltaX, deltaY, ref x, ref y);

                DrawLine(graphics, ref x, ref y, 0, -2 * deltaY);

                DrawSierpinskiCurveC(graphics, depth, deltaX, deltaY, ref x, ref y);

                DrawLine(graphics, ref x, ref y, -deltaX, -deltaY);

                DrawSierpinskiCurveD(graphics, depth, deltaX, deltaY, ref x, ref y);
            }

            if(this.refresh)
            {
                this.canvasPictureBox.Refresh();
            }
        }

        #endregion
        #region 선 그리기 - DrawLine(graphics, depth, deltaX, deltaY, x, y)

        /// <summary>
        /// 선 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        /// <param name="depth">깊이</param>
        /// <param name="deltaX">델타 X</param>
        /// <param name="deltaY">델타 Y</param>
        /// <param name="x">X</param>
        /// <param name="y">Y</param>
        private void DrawLine(Graphics graphics, ref float x, ref float y, float deltaX, float deltaY)
        {
            graphics.DrawLine(Pens.Black, x, y, x + deltaX, y + deltaY);

            x += deltaX;
            y += deltaY;
        }

        #endregion
        #region 시어핀스키 곡선 그리기 - DrawSierpinskiCurve(graphics, depth, deltaX, deltaY)

        /// <summary>
        /// 시어핀스키 곡선 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        /// <param name="depth">깊이</param>
        /// <param name="deltaX">델타 X</param>
        /// <param name="deltaY">델타 Y</param>
        private void DrawSierpinskiCurve(Graphics graphics, int depth, float deltaX, float deltaY)
        {
            float x = 2 * deltaX;
            float y = deltaY;

            DrawSierpinskiCurveA(graphics, depth, deltaX, deltaY, ref x, ref y);

            DrawLine(graphics, ref x, ref y, deltaX, deltaY);

            DrawSierpinskiCurveB(graphics, depth, deltaX, deltaY, ref x, ref y);

            DrawLine(graphics, ref x, ref y, -deltaX, deltaY);

            DrawSierpinskiCurveC(graphics, depth, deltaX, deltaY, ref x, ref y);

            DrawLine(graphics, ref x, ref y, -deltaX, -deltaY);

            DrawSierpinskiCurveD(graphics, depth, deltaX, deltaY, ref x, ref y);

            DrawLine(graphics, ref x, ref y, deltaX, -deltaY);

            this.canvasPictureBox.Refresh();
        }

        #endregion
    }
}
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