324 lines
10 KiB
C#
324 lines
10 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) 2012-2023 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: UISymbolLabel.cs
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* 文件说明: 带字体图标的标签
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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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* 2020-04-23: V2.2.4 增加UISymbolLabel
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* 2021-12-24: V3.0.9 修复Dock和AutoSize同时设置的Bug
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* 2022-03-19: V3.1.1 重构主题配色
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* 2023-05-12: V3.3.6 重构DrawString函数
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* 2023-05-16: V3.3.6 重构DrawFontImage函数
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* 2023-10-26: V3.5.1 字体图标增加旋转角度参数SymbolRotate
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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.Design;
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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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[DefaultEvent("Click")]
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[DefaultProperty("Text")]
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public sealed class UISymbolLabel : UIControl, ISymbol
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{
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private int _symbolSize = 24;
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private int _imageInterval = 0;
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private Color symbolColor;
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public UISymbolLabel()
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{
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SetStyleFlags(true, false);
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ShowRect = false;
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symbolColor = UIStyles.Blue.LabelForeColor;
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foreColor = UIStyles.Blue.LabelForeColor;
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Width = 170;
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Height = 35;
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}
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private bool autoSize;
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[Browsable(true)]
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[Description("自动大小"), Category("SunnyUI")]
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public override bool AutoSize
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{
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get => autoSize;
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set
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{
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autoSize = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 字体图标颜色
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/// </summary>
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[Description("图标颜色"), Category("SunnyUI")]
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[DefaultValue(typeof(Color), "48, 48, 48")]
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public Color SymbolColor
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{
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get => symbolColor;
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set
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{
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symbolColor = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 字体颜色
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/// </summary>
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[Description("字体颜色"), Category("SunnyUI")]
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[DefaultValue(typeof(Color), "48, 48, 48")]
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public override Color ForeColor
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{
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get => foreColor;
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set => SetForeColor(value);
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}
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/// <summary>
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/// 字体图标大小
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/// </summary>
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[DefaultValue(24)]
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[Description("字体图标大小"), Category("SunnyUI")]
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public int SymbolSize
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{
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get => _symbolSize;
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set
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{
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_symbolSize = Math.Max(value, 16);
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_symbolSize = Math.Min(value, 128);
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Invalidate();
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}
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}
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private int _symbolRotate = 0;
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/// <summary>
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/// 字体图标旋转角度
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/// </summary>
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[DefaultValue(0)]
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[Description("字体图标旋转角度"), Category("SunnyUI")]
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public int SymbolRotate
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{
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get => _symbolRotate;
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set
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{
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if (_symbolRotate != value)
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{
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_symbolRotate = value;
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Invalidate();
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}
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}
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}
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[DefaultValue(0)]
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[Description("图标和文字间间隔"), Category("SunnyUI")]
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public int ImageInterval
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{
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get => _imageInterval;
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set
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{
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_imageInterval = Math.Max(0, value);
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Invalidate();
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}
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}
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private bool _isCircle;
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[DefaultValue(false)]
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[Description("显示为圆形"), Category("SunnyUI")]
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public bool IsCircle
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{
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get => _isCircle;
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set
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{
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_isCircle = value;
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if (value)
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{
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Text = "";
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}
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else
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{
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Invalidate();
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}
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}
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}
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private int _symbol = FontAwesomeIcons.fa_check;
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/// <summary>
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/// 字体图标
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/// </summary>
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
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[Editor("Sunny.UI.UIImagePropertyEditor, " + AssemblyRefEx.SystemDesign, typeof(UITypeEditor))]
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[DefaultValue(61452)]
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[Description("字体图标"), Category("SunnyUI")]
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public int Symbol
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{
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get => _symbol;
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set
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{
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_symbol = value;
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Invalidate();
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}
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}
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private Point symbolOffset = new Point(0, 0);
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/// <summary>
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/// 字体图标的偏移位置
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/// </summary>
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[DefaultValue(typeof(Point), "0, 0")]
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[Description("字体图标的偏移位置"), Category("SunnyUI")]
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public Point SymbolOffset
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{
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get => symbolOffset;
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set
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{
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symbolOffset = value;
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Invalidate();
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}
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}
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/// <summary>
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/// 绘制填充颜色
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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 OnPaintFill(Graphics g, GraphicsPath path)
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{
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g.FillRectangle(BackColor, Bounds);
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}
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private int circleRectWidth = 1;
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[DefaultValue(1)]
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[Description("圆形边框大小"), Category("SunnyUI")]
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public int CircleRectWidth
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{
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get => circleRectWidth;
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set
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{
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circleRectWidth = 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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if (IsCircle)
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{
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int size = Math.Min(Width, Height) - 2 - CircleRectWidth;
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using var pn = new Pen(GetRectColor(), CircleRectWidth);
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g.SetHighQuality();
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g.DrawEllipse(pn, (Width - size) / 2.0f, (Height - size) / 2.0f, size, size);
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g.SetDefaultQuality();
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}
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else
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{
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base.OnPaintRect(g, path);
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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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symbolColor = uiColor.LabelForeColor;
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foreColor = uiColor.LabelForeColor;
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}
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/// <summary>
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/// 重载绘图
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/// </summary>
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/// <param name="e">绘图参数</param>
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protected override void OnPaint(PaintEventArgs e)
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{
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//重绘父类
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base.OnPaint(e);
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Size TextSize = TextRenderer.MeasureText(Text, Font);
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int height = Math.Max(SymbolSize, TextSize.Height);
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int width = SymbolSize + ImageInterval + TextSize.Width;
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if (Dock == DockStyle.None && autoSize)
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{
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TextAlign = ContentAlignment.MiddleCenter;
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if (Width != width + 4) Width = width + 4;
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if (Height != height + 4) Height = height + 4;
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}
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Rectangle rect;
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switch (TextAlign)
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{
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case ContentAlignment.TopLeft:
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rect = new Rectangle(Padding.Left, Padding.Top, width, height);
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break;
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case ContentAlignment.TopCenter:
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rect = new Rectangle((Width - width) / 2, Padding.Top, width, height);
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break;
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case ContentAlignment.TopRight:
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rect = new Rectangle(Width - width - Padding.Right, Padding.Top, width, height);
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break;
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case ContentAlignment.MiddleLeft:
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rect = new Rectangle(Padding.Left, (Height - height) / 2, width, height);
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break;
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case ContentAlignment.MiddleCenter:
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rect = new Rectangle((Width - width) / 2, (Height - height) / 2, width, height);
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break;
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case ContentAlignment.MiddleRight:
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rect = new Rectangle(Width - width - Padding.Right, (Height - height) / 2, width, height);
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break;
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case ContentAlignment.BottomLeft:
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rect = new Rectangle(Padding.Left, Height - Padding.Bottom - height, width, height);
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break;
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case ContentAlignment.BottomCenter:
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rect = new Rectangle((Width - width) / 2, Height - Padding.Bottom - height, width, height);
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break;
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case ContentAlignment.BottomRight:
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rect = new Rectangle(Width - width - Padding.Right, Height - Padding.Bottom - height, width, height);
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break;
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default:
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rect = new Rectangle((Width - width) / 2, (Height - height) / 2, width, height);
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break;
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}
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if (Text.IsNullOrEmpty())
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e.Graphics.DrawFontImage(Symbol, SymbolSize, symbolColor, new RectangleF((Width - SymbolSize) / 2.0f, (Height - SymbolSize) / 2.0f, SymbolSize, SymbolSize), SymbolOffset.X, SymbolOffset.Y, SymbolRotate);
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else
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e.Graphics.DrawFontImage(Symbol, SymbolSize, symbolColor, new Rectangle(rect.Left, rect.Top, SymbolSize, rect.Height), SymbolOffset.X, SymbolOffset.Y, SymbolRotate);
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e.Graphics.DrawString(Text, Font, ForeColor, rect, ContentAlignment.MiddleRight);
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}
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protected override void OnPaintFore(Graphics g, GraphicsPath path)
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{ }
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}
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}
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