[C#/WINFORM] Graphics 클래스 : TextRenderingHint 속성을 사용해 폰트 안티-알리아싱 설정하기

TestProject.zip

다운로드

▶ MainForm.cs

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Text;
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();

            #region 이벤트를 설정한다.

            Load                                   += Form_Load;
            Paint                                  += Form_Paint;
            this.fontComboBox.SelectedIndexChanged += fontComboBox_SelectedIndexChanged;

            #endregion
        }

        #endregion

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

        #region 폼 로드시 처리하기 - Form_Load(sender, e)

        /// <summary>
        /// 폼 로드시 처리하기
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Form_Load(object sender, EventArgs e)
        {
            InstalledFontCollection collection = new InstalledFontCollection();

            List<string> list = new List<string>();

            foreach(FontFamily fontFamily in collection.Families)
            {
                list.Add(fontFamily.Name);
            }

            this.fontComboBox.DataSource = list;
        }

        #endregion
        #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)
        {
            e.Graphics.Clear(this.BackColor);

            int x = 20;
            int y = this.fontComboBox.Bottom + 20;

            DrawSampleStringList(e.Graphics, TextRenderingHint.AntiAlias, x, ref y);

            y += 10;

            DrawSampleStringList(e.Graphics, TextRenderingHint.AntiAliasGridFit, x, ref y);

            y += 10;

            DrawSampleStringList(e.Graphics, TextRenderingHint.ClearTypeGridFit, x, ref y);

            x += 300;

            y = this.fontComboBox.Bottom + 20;

            DrawSampleStringList(e.Graphics, TextRenderingHint.SingleBitPerPixel, x, ref y);

            y += 10;

            DrawSampleStringList(e.Graphics, TextRenderingHint.SingleBitPerPixelGridFit, x, ref y);

            y += 10;

            DrawSampleStringList(e.Graphics, TextRenderingHint.SystemDefault, x, ref y);
        }

        #endregion
        #region 폰트 콤보 박스 선택 인덱스 변경시 처리하기 - fontComboBox_SelectedIndexChanged(sender, e)

        /// <summary>
        /// 폰트 콤보 박스 선택 인덱스 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void fontComboBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            Refresh();
        }

        #endregion

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

        #region 샘플 문자열 그리기 - DrawSampleString(graphics, fontSize, x, y)

        /// <summary>
        /// 샘플 문자열 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        /// <param name="fontSize">폰트 크기</param>
        /// <param name="x">X 좌표</param>
        /// <param name="y">Y 좌표</param>
        private void DrawSampleString(Graphics graphics, float fontSize, int x, ref int y)
        {
            try
            {
                using(Font font = new Font(this.fontComboBox.Text, fontSize))
                {
                    string text = this.fontComboBox.Text + ", " + fontSize.ToString();

                    graphics.DrawString(text, font, Brushes.Black, x, y);
     
                    y = (int)(y + fontSize) + 10;
                }
            }
            catch
            {
            }
        }

        #endregion
        #region 샘플 문자열 목록 그리기 - DrawSampleStringList(graphics, textRenderingHint, x, y)

        /// <summary>
        /// 샘플 문자열 목록 그리기
        /// </summary>
        /// <param name="graphics">그래픽스</param>
        /// <param name="textRenderingHint">텍스트 렌더링 힌트</param>
        /// <param name="x">X 좌표</param>
        /// <param name="y">Y 좌표</param>
        private void DrawSampleStringList(Graphics graphics, TextRenderingHint textRenderingHint, int x, ref int y)
        {
            graphics.TextRenderingHint = TextRenderingHint.AntiAlias;

            graphics.DrawString(textRenderingHint.ToString(), Font, Brushes.Blue, x - 10, y);

            y += 20;

            graphics.TextRenderingHint = textRenderingHint;

            for(int fontSize = 6; fontSize <= 16; fontSize += 2)
            {
                DrawSampleString(graphics, fontSize, x, ref y);
            }
        }

        #endregion
    }
}