■ GaugeControl 클래스를 사용해 게이지 컨트롤을 커스텀 그리는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Drawing; using System.Windows.Forms; using DevExpress.XtraEditors; using DevExpress.XtraGauges.Core.Primitive; using DevExpress.XtraGauges.Core.Model; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 타이머 /// </summary> private Timer timer; /// <summary> /// 애니메이션 잠금 카운터 /// </summary> private int animationLockCounter = 0; /// <summary> /// 커스텀 그리기 여부 /// </summary> private bool customDraw = false; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.Load += Form_Load; this.arcScaleNeedleComponent.CustomDrawElement += arcScaleNeedleComponent_CustomDrawElement; this.arcScaleBackgroundLayerComponent.CustomDrawElement += arcScaleBackgroundLayerComponent_CustomDrawElement; this.arcScaleComponent.CustomDrawElement += arcScaleComponent_CustomDrawElement; this.checkEdit.CheckStateChanged += checkEdit_CheckStateChanged; } #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) { this.timer = new Timer(); this.timer.Interval = 150; this.timer.Tick += timer_Tick; this.timer.Start(); } #endregion #region 아크 스케일 컴포넌트 요소 커스텀 그리기 - arcScaleComponent_CustomDrawElement(sender, e) /// <summary> /// 아크 스케일 컴포넌트 요소 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void arcScaleComponent_CustomDrawElement(object sender, CustomDrawElementEventArgs e) { if(this.customDraw) { e.Handled = true; } } #endregion #region 아크 스케일 배경 레이어 컴포넌트 요소 커스텀 그리기 - arcScaleBackgroundLayerComponent_CustomDrawElement(sender, e) /// <summary> /// 아크 스케일 배경 레이어 컴포넌트 요소 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void arcScaleBackgroundLayerComponent_CustomDrawElement(object sender, CustomDrawElementEventArgs e) { if(this.customDraw) { RectangleF rectangle = RectangleF.Inflate(e.Info.BoundBox, -15, -15); e.Context.Graphics.FillEllipse(Brushes.Black, rectangle); rectangle.Inflate(-2, -2); e.Context.Graphics.SetClip ( new RectangleF ( rectangle.Left + rectangle.Width * 0.5f, rectangle.Top, rectangle.Width * 0.5f, rectangle.Height ) ); e.Context.Graphics.FillEllipse(Brushes.White, rectangle); e.Context.Graphics.ResetClip(); e.Context.Graphics.FillEllipse ( Brushes.White, new RectangleF ( rectangle.Left + rectangle.Width * 0.25f, rectangle.Top, rectangle.Width * 0.5f, rectangle.Height * 0.5f ) ); e.Context.Graphics.FillEllipse ( Brushes.Black, new RectangleF ( rectangle.Left + rectangle.Width * 0.25f, rectangle.Top + rectangle.Height * 0.5f, rectangle.Width * 0.5f, rectangle.Height * 0.5f ) ); e.Handled = true; } } #endregion #region 아크 스케일 바늘 컴포넌트 요소 커스텀 그리기 - arcScaleNeedleComponent_CustomDrawElement(sender, e) /// <summary> /// 아크 스케일 바늘 컴포넌트 요소 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void arcScaleNeedleComponent_CustomDrawElement(object sender, CustomDrawElementEventArgs e) { if(this.customDraw) { e.Context.Graphics.FillEllipse(Brushes.White, new RectangleF(50, 112.5f, 25, 25)); e.Context.Graphics.FillEllipse(Brushes.Black, new RectangleF(175, 112.5f, 25, 25)); e.Handled = true; } } #endregion #region 체크 에디터 체크 상태 변경시 처리하기 - checkEdit_CheckStateChanged(sender, e) /// <summary> /// 체크 에디터 체크 상태 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void checkEdit_CheckStateChanged(object sender, EventArgs e) { this.customDraw = this.checkEdit.Checked; this.arcScaleBackgroundLayerComponent.Self.ResetCache(CacheKeys.RenderedImage); this.gaugeControl.Refresh(); } #endregion #region 타이머 틱 처리하기 - timer_Tick(sender, e) /// <summary> /// 타이머 틱 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void timer_Tick(object sender, EventArgs e) { if(this.animationLockCounter > 0) { return; } this.animationLockCounter++; this.arcScaleComponent.Value = AnimateScaleValue(this.arcScaleComponent, 0.05f); this.animationLockCounter--; } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 스케일 값 애니메이션 처리하기 - AnimateScaleValue(baseScale, factor) /// <summary> /// 스케일 값 애니메이션 처리하기 /// </summary> /// <param name="baseScale">베이스 스케일 인터페이스</param> /// <param name="factor">인자</param> /// <returns>스케일 값</returns> private float AnimateScaleValue(IBaseScale baseScale, float factor) { Random random = new Random(DateTime.Now.Millisecond); float deviation = ((float)random.NextDouble() - baseScale.Percent); return (baseScale.Value + (baseScale.ScaleLength * factor) * deviation); } #endregion } } |
