■ 싸인파를 따라 반전된 색상으로 텍스트를 그리는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Collections.Generic; using System.Drawing; using System.Drawing.Drawing2D; 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(); this.pictureBox.Resize += pictureBox_Resize; this.pictureBox.Paint += pictureBox_Paint; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 픽처 박스 크기 변경시 처리하기 - pictureBox_Resize(sender, e) /// <summary> /// 픽처 박스 크기 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void pictureBox_Resize(object sender, EventArgs e) { this.pictureBox.Refresh(); } #endregion #region 픽처 박스 페인트시 처리하기 - pictureBox_Paint(sender, e) /// <summary> /// 픽처 박스 페인트시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void pictureBox_Paint(object sender, PaintEventArgs e) { using(Font font = new Font("나눔고딕코딩", 40, FontStyle.Bold)) { Color topBackgroundColor = Color.RoyalBlue; Color topForegroundColor = Color.White; Color bottomBackgroundColor = Color.White; Color bottomForegroundColor = Color.RoyalBlue; SolidBrush topBackgroundBrush = new SolidBrush(topBackgroundColor ); SolidBrush topForegroundBrush = new SolidBrush(topForegroundColor ); SolidBrush bottomBackgroundBrush = new SolidBrush(bottomBackgroundColor); SolidBrush bottomForegroundBrush = new SolidBrush(bottomForegroundColor); DrawSineSplitText ( e.Graphics, "싸인파 반전 텍스트", font, this.pictureBox.ClientRectangle, topBackgroundBrush, topForegroundBrush, bottomBackgroundBrush, bottomForegroundBrush, 2.5f, 0.25f ); topBackgroundBrush.Dispose(); topForegroundBrush.Dispose(); bottomBackgroundBrush.Dispose(); bottomForegroundBrush.Dispose(); } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 싸인파 분리 텍스트 그리기 - DrawSineSplitText(graphics, text, font, rectangle, topBackgroundBrush, topForegroundBrush, bottomBackgroundBrush, bottomForegroundBrush, waveCount, scaleY) /// <summary> /// 싸인파 분리 텍스트 그리기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="text">텍스트</param> /// <param name="font">폰트</param> /// <param name="rectangle">사각형</param> /// <param name="topBackgroundBrush">상단 배경 브러시</param> /// <param name="topForegroundBrush">상단 전경 브러시</param> /// <param name="bottomBackgroundBrush">하단 배경 브러시</param> /// <param name="bottomForegroundBrush">하단 전경 브러시</param> /// <param name="waveCount">웨이브 수</param> /// <param name="scaleY">Y 축적</param> private void DrawSineSplitText ( Graphics graphics, string text, Font font, Rectangle rectangle, Brush topBackgroundBrush, Brush topForegroundBrush, Brush bottomBackgroundBrush, Brush bottomForegroundBrush, float waveCount, float scaleY ) { Bitmap topBitmap = new Bitmap(rectangle.Width, rectangle.Height); Bitmap bottomBitmap = new Bitmap(rectangle.Width, rectangle.Height); using(StringFormat stringFormat = new StringFormat()) { stringFormat.Alignment = StringAlignment.Center; stringFormat.LineAlignment = StringAlignment.Center; using(Graphics topGraphics = Graphics.FromImage(topBitmap)) { topGraphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit; topGraphics.FillRectangle(topBackgroundBrush, rectangle); topGraphics.DrawString(text, font, topForegroundBrush, rectangle, stringFormat); } using(Graphics bottomGraphics = Graphics.FromImage(bottomBitmap)) { bottomGraphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit; bottomGraphics.FillRectangle(bottomBackgroundBrush, rectangle); bottomGraphics.DrawString(text, font, bottomForegroundBrush, rectangle, stringFormat); } } using(TextureBrush brush = new TextureBrush(topBitmap)) { graphics.FillRectangle(brush, rectangle); } List<PointF> pointList = new List<PointF>(); float magnitude = (font.Size * 96f / 72f) / 2 * scaleY; float offsetY = rectangle.Height / 2f; pointList.Add(new PointF(0, rectangle.Height)); float scaleX = (float)(waveCount * 2 * Math.PI / rectangle.Width); for(int x = 0; x < rectangle.Width; x++) { float y = (float)(offsetY + magnitude * Math.Sin(x * scaleX)); pointList.Add(new PointF(x, y)); } pointList.Add(new PointF(rectangle.Width - 1, rectangle.Height)); using(TextureBrush brush = new TextureBrush(bottomBitmap)) { graphics.SmoothingMode = SmoothingMode.AntiAlias; graphics.FillPolygon(brush, pointList.ToArray()); } topBitmap.Dispose(); bottomBitmap.Dispose(); } #endregion } } |
