363 lines
14 KiB
C#
363 lines
14 KiB
C#
/******************************************************************************
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* SunnyUI 开源控件库、工具类库、扩展类库、多页面开发框架。
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* CopyRight (C) 2012-2025 ShenYongHua(沈永华).
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* QQ群：56829229 QQ：17612584 EMail：SunnyUI@QQ.Com
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*
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* Blog: https://www.cnblogs.com/yhuse
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* Gitee: https://gitee.com/yhuse/SunnyUI
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* GitHub: https://github.com/yhuse/SunnyUI
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*
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* SunnyUI.dll can be used for free under the GPL-3.0 license.
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* If you use this code, please keep this note.
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* 如果您使用此代码，请保留此说明。
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******************************************************************************
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* 文件名称: UILine.cs
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* 文件说明: 分割线
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* 当前版本: V3.1
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* 创建日期: 2020-01-01
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*
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* 2020-01-01: V2.2.0 增加文件说明
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* 2022-01-05: V3.0.9 增加线的样式，支持透明背景
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* 2022-01-10: V3.1.0 修复了文本为空不显示的问题
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* 2022-03-19: V3.1.1 重构主题配色
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* 2022-11-26: V3.2.9 水平方向文字不居中时，可设置线条渐变色
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* 2023-05-12: V3.3.6 重构DrawString函数
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* 2023-11-16: V3.5.2 重构主题
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******************************************************************************/
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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.Drawing2D;
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using System.Windows.Forms;
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namespace Sunny.UI
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{
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[ToolboxItem(true)]
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[Description("分割线控件")]
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public sealed class UILine : UIControl
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{
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public UILine()
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{
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SetStyleFlags(true, false);
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Size = new Size(360, 29);
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MinimumSize = new Size(1, 1);
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ForeColor = UIStyles.Blue.LineForeColor;
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fillColor = UIColor.Transparent;
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fillColor2 = UIStyles.Blue.PanelFillColor2;
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BackColor = UIColor.Transparent;
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rectColor = UIStyles.Blue.LineRectColor;
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}
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[Browsable(false)]
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public override string[] FormTranslatorProperties => ["Text"];
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public enum LineDirection
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{
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/// <summary>
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/// 水平的
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/// </summary>
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Horizontal,
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/// <summary>
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/// 竖直的
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/// </summary>
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Vertical
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}
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private LineDirection direction = LineDirection.Horizontal;
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[DefaultValue(LineDirection.Horizontal)]
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[Description("线条方向"), Category("SunnyUI")]
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public LineDirection Direction
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{
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get => direction;
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set
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{
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direction = value;
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Invalidate();
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}
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}
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private int lineSize = 1;
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[Description("线条宽度"), Category("SunnyUI")]
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[DefaultValue(1)]
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public int LineSize
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{
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get => lineSize;
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set
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{
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lineSize = Math.Max(1, value);
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Invalidate();
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}
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}
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/// <summary>
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/// 设置主题样式
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/// </summary>
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/// <param name="uiColor">主题样式</param>
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public override void SetStyleColor(UIBaseStyle uiColor)
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{
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base.SetStyleColor(uiColor);
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rectColor = uiColor.LineRectColor;
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ForeColor = uiColor.LineForeColor;
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fillColor2 = uiColor.PanelFillColor2;
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fillColor = UIColor.Transparent;
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BackColor = UIColor.Transparent;
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}
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private UILineCap startCap = UILineCap.None;
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[DefaultValue(UILineCap.None), Category("SunnyUI")]
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public UILineCap StartCap
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{
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get => startCap;
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set
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{
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startCap = value;
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Invalidate();
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}
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}
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private UILineCap endCap = UILineCap.None;
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[DefaultValue(UILineCap.None), Category("SunnyUI")]
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public UILineCap EndCap
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{
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get => endCap;
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set
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{
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endCap = value;
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Invalidate();
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}
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}
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private int lineCapSize = 6;
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[DefaultValue(6), Category("SunnyUI")]
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public int LineCapSize
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{
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get => lineCapSize;
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set
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{
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lineCapSize = value;
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Invalidate();
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}
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}
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private int textInterval = 10;
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[DefaultValue(10)]
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[Description("文字边距间隔"), Category("SunnyUI")]
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public int TextInterval
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{
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get => textInterval;
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set
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{
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textInterval = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 绘制边框颜色
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/// </summary>
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/// <param name="g">绘图图面</param>
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/// <param name="path">绘图路径</param>
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protected override void OnPaintRect(Graphics g, GraphicsPath path)
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{
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//
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}
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/// <summary>
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/// 绘制前景颜色
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/// </summary>
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/// <param name="g">绘图图面</param>
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/// <param name="path">绘图路径</param>
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protected override void OnPaintFore(Graphics g, GraphicsPath path)
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{
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SizeF sf = new SizeF(0, 0);
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float x = 0;
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using Pen pen = new Pen(rectColor, lineSize);
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if (LineDashStyle != UILineDashStyle.None)
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{
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pen.DashStyle = (DashStyle)((int)LineDashStyle);
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}
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if (Direction == LineDirection.Horizontal)
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{
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if (Text.IsValid())
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{
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sf = TextRenderer.MeasureText(Text, Font);
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switch (TextAlign)
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{
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case ContentAlignment.TopLeft:
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g.DrawString(Text, Font, ForeColor, new Rectangle(Padding.Left + TextInterval + 2, 0, Width - Padding.Left - textInterval - 2 - Padding.Right - textInterval - 2, (Height - lineSize) / 2), ContentAlignment.BottomLeft); break;
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case ContentAlignment.TopCenter:
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g.DrawString(Text, Font, ForeColor, new Rectangle(Padding.Left + TextInterval + 2, 0, Width - Padding.Left - textInterval - 2 - Padding.Right - textInterval - 2, (Height - lineSize) / 2), ContentAlignment.BottomCenter); break;
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case ContentAlignment.TopRight:
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g.DrawString(Text, Font, ForeColor, new Rectangle(Padding.Left + TextInterval + 2, 0, Width - Padding.Left - textInterval - 2 - Padding.Right - textInterval - 2, (Height - lineSize) / 2), ContentAlignment.BottomRight); break;
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case ContentAlignment.MiddleLeft:
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x = Padding.Left + TextInterval;
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g.DrawString(Text, Font, ForeColor, new Rectangle(Padding.Left + TextInterval + 2, 0, Width - Padding.Left - textInterval - 2 - Padding.Right - textInterval - 2, Height), TextAlign); break;
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case ContentAlignment.MiddleCenter:
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x = (Width - sf.Width) / 2 - 2;
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g.DrawString(Text, Font, ForeColor, new Rectangle(Padding.Left + TextInterval + 2, 0, Width - Padding.Left - textInterval - 2 - Padding.Right - textInterval - 2, Height), TextAlign); break;
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case ContentAlignment.MiddleRight:
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x = Width - sf.Width - TextInterval - 4 - Padding.Right;
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g.DrawString(Text, Font, ForeColor, new Rectangle(Padding.Left + TextInterval + 2, 0, Width - Padding.Left - textInterval - 2 - Padding.Right - textInterval - 2, Height), TextAlign); break;
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case ContentAlignment.BottomLeft:
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g.DrawString(Text, Font, ForeColor, new Rectangle(Padding.Left + TextInterval + 2, (Height + lineSize) / 2, Width - Padding.Left - textInterval - 2 - Padding.Right - textInterval - 2, Height), ContentAlignment.TopLeft); break;
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case ContentAlignment.BottomCenter:
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g.DrawString(Text, Font, ForeColor, new Rectangle(Padding.Left + TextInterval + 2, (Height + lineSize) / 2, Width - Padding.Left - textInterval - 2 - Padding.Right - textInterval - 2, Height), ContentAlignment.TopCenter); break;
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case ContentAlignment.BottomRight:
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g.DrawString(Text, Font, ForeColor, new Rectangle(Padding.Left + TextInterval + 2, (Height + lineSize) / 2, Width - Padding.Left - textInterval - 2 - Padding.Right - textInterval - 2, Height), ContentAlignment.TopRight); break;
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}
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}
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int top = Height / 2;
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if (Text.IsValid())
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{
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switch (TextAlign)
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{
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case ContentAlignment.MiddleLeft:
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case ContentAlignment.MiddleCenter:
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case ContentAlignment.MiddleRight:
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g.DrawLine(pen, Padding.Left, top, x, top);
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g.DrawLine(pen, x + sf.Width + 2, top, Width - 2 - Padding.Left - Padding.Right, top);
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break;
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default:
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if (LineColorGradient)
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{
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top = (Height - lineSize) / 2;
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using LinearGradientBrush br = new LinearGradientBrush(new Point(0, 0), new Point(Width, 0), LineColor, LineColor2);
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g.FillRectangle(br, new Rectangle(Padding.Left, top, Width - 2 - Padding.Left - Padding.Right, LineSize));
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}
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else
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{
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g.DrawLine(pen, Padding.Left, top, Width - 2 - Padding.Left - Padding.Right, top);
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}
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break;
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}
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}
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else
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{
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if (LineColorGradient)
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{
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top = (Height - lineSize) / 2;
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using LinearGradientBrush br = new LinearGradientBrush(new Point(0, 0), new Point(Width, 0), LineColor, LineColor2);
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g.FillRectangle(br, new Rectangle(Padding.Left, top, Width - 2 - Padding.Left - Padding.Right, LineSize));
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}
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else
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{
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g.DrawLine(pen, Padding.Left, top, Width - 2 - Padding.Left - Padding.Right, top);
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}
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}
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switch (startCap)
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{
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case UILineCap.Square:
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top = Height / 2 - LineCapSize - 1;
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g.FillRectangle(rectColor, new RectangleF(0, top, LineCapSize * 2, LineCapSize * 2));
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break;
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case UILineCap.Diamond:
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break;
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case UILineCap.Triangle:
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break;
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case UILineCap.Circle:
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top = Height / 2 - LineCapSize - 1;
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g.FillEllipse(rectColor, new RectangleF(0, top, LineCapSize * 2, LineCapSize * 2));
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break;
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}
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switch (endCap)
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{
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case UILineCap.Square:
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top = Height / 2 - LineCapSize;
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if (lineSize.Mod(2) == 1) top -= 1;
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g.FillRectangle(rectColor, new RectangleF(Width - lineCapSize * 2 - 1, top, LineCapSize * 2, LineCapSize * 2));
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break;
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case UILineCap.Diamond:
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break;
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case UILineCap.Triangle:
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break;
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case UILineCap.Circle:
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top = Height / 2 - LineCapSize - 1;
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g.FillEllipse(rectColor, new RectangleF(Width - lineCapSize * 2 - 1, top, LineCapSize * 2, LineCapSize * 2));
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break;
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}
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}
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else
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{
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int left = (Width - lineSize) / 2;
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g.DrawLine(pen, left, Padding.Top, left, Height - Padding.Top - Padding.Bottom);
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}
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}
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UILineDashStyle lineDashStyle = UILineDashStyle.None;
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[Description("线的样式"), Category("SunnyUI")]
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[DefaultValue(UILineDashStyle.None)]
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public UILineDashStyle LineDashStyle
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{
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get => lineDashStyle;
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set
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{
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if (lineDashStyle != value)
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{
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lineDashStyle = value;
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Invalidate();
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}
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}
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}
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/// <summary>
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/// 填充颜色，当值为背景色或透明色或空值则不填充
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/// </summary>
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[Description("填充颜色"), Category("SunnyUI")]
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[DefaultValue(typeof(Color), "Transparent")]
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public Color FillColor
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{
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get => fillColor;
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set => SetFillColor(value);
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}
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/// <summary>
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/// 线颜色
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/// </summary>
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[Description("线颜色"), Category("SunnyUI")]
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[DefaultValue(typeof(Color), "80, 160, 255")]
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public Color LineColor
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{
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get => rectColor;
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set => SetRectColor(value);
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}
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/// <summary>
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/// 线颜色2
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/// </summary>
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[Description("线颜色2"), Category("SunnyUI")]
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[DefaultValue(typeof(Color), "243, 249, 255")]
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public Color LineColor2
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{
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get => fillColor2;
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set => SetFillColor2(value);
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}
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[Description("线颜色渐变"), Category("SunnyUI")]
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[DefaultValue(false)]
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public bool LineColorGradient
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{
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get => fillColorGradient;
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set
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{
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if (fillColorGradient != value)
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{
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fillColorGradient = value;
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Invalidate();
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}
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}
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}
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}
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} |