■ 안티-알리아싱으로 그리는 경우 투명도를 사용하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 비트맵 1 /// </summary> private Bitmap bitmap1; /// <summary> /// 비트맵 2 /// </summary> private Bitmap bitmap2; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); Load += Form_Load; this.pictureBox1.Paint += pictureBox1_Paint; this.pictureBox2.Paint += pictureBox2_Paint; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 폼 로드시 처리하기 - Form_Load(sender, e) /// <summary> /// 폼 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_Load(object sender, EventArgs e) { int width = this.pictureBox1.ClientSize.Width; int height = this.pictureBox1.ClientSize.Height; this.bitmap1 = new Bitmap(width, height); using(Graphics graphics = Graphics.FromImage(this.bitmap1)) { graphics.SmoothingMode = SmoothingMode.AntiAlias; graphics.Clear(Color.White); DrawSmiley(graphics, this.pictureBox1.ClientRectangle, 10); this.bitmap1.MakeTransparent(Color.White); } this.bitmap2 = new Bitmap(width, height); using(Graphics graphics = Graphics.FromImage(this.bitmap2)) { graphics.SmoothingMode = SmoothingMode.AntiAlias; graphics.Clear(Color.Transparent); DrawSmiley(graphics, this.pictureBox1.ClientRectangle, 10); } } #endregion #region 픽처 박스 1 페인트시 처리하기 - pictureBox1_Paint(sender, e) /// <summary> /// 픽처 박스 1 페인트시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void pictureBox1_Paint(object sender, PaintEventArgs e) { e.Graphics.Clear(Color.Blue); e.Graphics.DrawImage(this.bitmap1, 0, 0); } #endregion #region 픽처 박스 2 페인트시 처리하기 - pictureBox2_Paint(sender, e) /// <summary> /// 픽처 박스 2페인트시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void pictureBox2_Paint(object sender, PaintEventArgs e) { e.Graphics.Clear(Color.Blue); e.Graphics.DrawImage(this.bitmap2, 0, 0); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 웃는 얼굴 그리기 - DrawSmiley(graphics, rectangle, width) /// <summary> /// 웃는 얼굴 그리기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="rectangle">사각형</param> /// <param name="width">너비</param> private void DrawSmiley(Graphics graphics, Rectangle rectangle, int width) { rectangle.Inflate(-4, -4); using(Pen pen = new Pen(Color.Black, width)) { // 얼굴 Rectangle faceRectangle = new Rectangle ( rectangle.Left + width / 2, rectangle.Top + width / 2, rectangle.Width - width, rectangle.Height - width ); graphics.FillEllipse(Brushes.Yellow, faceRectangle); graphics.DrawEllipse(pen, faceRectangle); // 입 pen.Width /= 2; faceRectangle.Inflate(-30, -30); graphics.DrawArc(pen, faceRectangle, 10, 160); // 왼쪽 눈 int eyeWidth = (int)(rectangle.Width * 0.2 ); int eyeHeight = (int)(rectangle.Height * 0.25); Rectangle eyeRectangle = new Rectangle ( (int)(rectangle.Left + rectangle.Width * 0.25), (int)(rectangle.Top + rectangle.Height * 0.20), eyeWidth, eyeHeight ); graphics.FillEllipse(Brushes.LightBlue, eyeRectangle); graphics.DrawEllipse(pen, eyeRectangle); Rectangle pupilRectangle = new Rectangle ( eyeRectangle.Left + eyeWidth / 2, eyeRectangle.Top + eyeHeight / 4, eyeWidth / 2, eyeHeight / 2 ); graphics.FillEllipse(Brushes.Black, pupilRectangle); graphics.DrawEllipse(pen, pupilRectangle); // 오른쪽 눈 eyeRectangle = new Rectangle ( (int)(rectangle.Right - rectangle.Width * 0.25) - eyeWidth, (int)(rectangle.Top + rectangle.Height * 0.20), eyeWidth, eyeHeight ); graphics.FillEllipse(Brushes.LightBlue, eyeRectangle); graphics.DrawEllipse(pen, eyeRectangle); pupilRectangle = new Rectangle ( eyeRectangle.Left + eyeWidth / 2, eyeRectangle.Top + eyeHeight / 4, eyeWidth / 2, eyeHeight / 2 ); graphics.FillEllipse(Brushes.Black, pupilRectangle); graphics.DrawEllipse(pen, pupilRectangle); // 코 Rectangle noseRectangle = new Rectangle ( (int)(rectangle.Left + rectangle.Width / 2) - eyeWidth / 2, (int)(rectangle.Top + rectangle.Height * 0.45), eyeWidth, eyeWidth ); graphics.FillEllipse(Brushes.LightGreen, noseRectangle); graphics.DrawEllipse(pen, noseRectangle); } } #endregion } } |
