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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Design;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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using System.Windows.Forms.Design;
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namespace GeoSigma.SigmaDrawerStyle
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{
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/// <summary>
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/// 曲线样式 UI 界面
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/// </summary>
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public class PropertyEditorWellCurveStyle : UITypeEditor
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{
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/// <inheritdoc/>
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public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context)
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{
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return UITypeEditorEditStyle.Modal;
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}
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/// <inheritdoc/>
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public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
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{
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if (!(value is WellLineStyle style))
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{
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return value;
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}
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IWindowsFormsEditorService edSvc = provider?.GetService(typeof(IWindowsFormsEditorService)) as IWindowsFormsEditorService;
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if (edSvc == null)
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{
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return value;
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}
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using (var editorForm = new WellCurveStyleEditForm(style))
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{
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if (edSvc.ShowDialog(editorForm) == DialogResult.OK)
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{
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return new WellLineStyle()
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{
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Color = style.Color,
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Width = style.Width,
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Style = style.Style,
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};
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}
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}
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return value;
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}
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/// <inheritdoc/>
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public override bool GetPaintValueSupported(ITypeDescriptorContext context)
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{
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return true;
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}
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/// <inheritdoc/>
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public override void PaintValue(PaintValueEventArgs e)
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{
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if (e.Value is WellLineStyle style)
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{
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var g = e.Graphics;
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var rect = e.Bounds;
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using (var pen = new Pen(style.Color, 1))
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{
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// 设置 DashStyle（除非 Solid 属性强制为实线）
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pen.DashStyle = DashStyle.Solid;
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// 居中画线
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int y = rect.Top + (rect.Height / 2);
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g.DrawLine(pen, rect.Left, y, rect.Right, y);
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}
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}
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}
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}
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}
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