316 lines
9.3 KiB
C#
316 lines
9.3 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) 2012-2022 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: UISmoothLabel.cs
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* 文件说明: 平滑文字带边框的标签
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* 当前版本: V3.1
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* 创建日期: 2022-01-22
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*
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* 2022-01-22: V3.1.0 增加文件说明
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* 2022-03-19: V3.1.1 重构主题配色
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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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[DefaultEvent("Click")]
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[DefaultProperty("Text")]
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public sealed class UISmoothLabel : Label, IStyleInterface, IZoomScale
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{
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public UISmoothLabel()
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{
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base.Font = UIFontColor.Font(36);
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Version = UIGlobal.Version;
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foreColor = UIStyles.Blue.SmoothLabelForeColor;
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rectColor = UIStyles.Blue.SmoothLabelRectColor;
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drawPath = new GraphicsPath();
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drawPen = new Pen(new SolidBrush(rectColor), rectSize);
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forecolorBrush = new SolidBrush(ForeColor);
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Size = new Size(300, 60);
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}
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/// <summary>
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/// 禁止控件跟随窗体缩放
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/// </summary>
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[DefaultValue(false), Category("SunnyUI"), Description("禁止控件跟随窗体缩放")]
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public bool ZoomScaleDisabled { get; set; }
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/// <summary>
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/// 控件缩放前在其容器里的位置
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/// </summary>
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[Browsable(false)]
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public Rectangle ZoomScaleRect { get; set; }
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/// <summary>
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/// 设置控件缩放比例
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/// </summary>
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/// <param name="scale">缩放比例</param>
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public void SetZoomScale(float scale)
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{
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}
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protected override void Dispose(bool disposing)
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{
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if (disposing)
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{
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forecolorBrush?.Dispose();
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drawPath?.Dispose();
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drawPen?.Dispose();
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}
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base.Dispose(disposing);
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}
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private PointF point;
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private SizeF drawSize;
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private Pen drawPen;
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private GraphicsPath drawPath;
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private SolidBrush forecolorBrush;
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[Browsable(false), DefaultValue(false)]
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public bool IsScaled { get; set; }
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public void SetDPIScale()
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{
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if (!IsScaled)
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{
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this.SetDPIScaleFont();
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IsScaled = true;
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}
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}
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private Color foreColor;
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/// <summary>
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/// Tag字符串
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/// </summary>
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[DefaultValue(null)]
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[Description("获取或设置包含有关控件的数据的对象字符串"), Category("SunnyUI")]
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public string TagString { get; set; }
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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), "White")]
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public override Color ForeColor
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{
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get => foreColor;
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set
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{
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foreColor = value;
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forecolorBrush.Color = foreColor;
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SetStyleCustom();
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}
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}
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private void SetStyleCustom(bool needRefresh = true)
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{
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_style = UIStyle.Custom;
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if (needRefresh) Invalidate();
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}
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public string Version { get; }
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public void SetStyle(UIStyle style)
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{
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if (!style.IsCustom())
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{
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SetStyleColor(style.Colors());
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Invalidate();
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}
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_style = style;
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}
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/// <summary>
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/// 自定义主题风格
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/// </summary>
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[DefaultValue(false)]
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[Description("获取或设置可以自定义主题风格"), Category("SunnyUI")]
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public bool StyleCustomMode { get; set; }
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public void SetStyleColor(UIBaseStyle uiColor)
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{
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foreColor = uiColor.SmoothLabelForeColor;
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rectColor = uiColor.SmoothLabelRectColor;
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forecolorBrush.Color = foreColor;
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if (rectSize != 0)
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drawPen.Color = rectColor;
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}
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private UIStyle _style = UIStyle.Blue;
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/// <summary>
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/// 主题样式
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/// </summary>
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[DefaultValue(UIStyle.Blue), Description("主题样式"), Category("SunnyUI")]
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public UIStyle Style
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{
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get => _style;
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set => SetStyle(value);
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}
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/// <summary>
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/// 重载字体变更
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/// </summary>
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/// <param name="e">参数</param>
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protected override void OnFontChanged(EventArgs e)
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{
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base.OnFontChanged(e);
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Invalidate();
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}
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protected override void OnTextAlignChanged(EventArgs e)
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{
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base.OnTextAlignChanged(e);
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Invalidate();
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}
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private Color rectColor;
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/// <summary>
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/// 边框颜色
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/// </summary>
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[Description("边框颜色"), Category("SunnyUI")]
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[DefaultValue(typeof(Color), "80, 160, 255")]
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public Color RectColor
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{
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get
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{
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return rectColor;
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}
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set
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{
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if (rectColor != value)
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{
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rectColor = value;
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if (rectSize != 0) drawPen.Color = rectColor;
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RectColorChanged?.Invoke(this, null);
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SetStyleCustom();
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}
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}
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}
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public event EventHandler RectColorChanged;
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private int rectSize = 2;
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/// <summary>
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/// 边框颜色
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/// </summary>
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[Description("边框宽度"), Category("SunnyUI")]
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[DefaultValue(2)]
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public int RectSize
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{
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get => rectSize;
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set
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{
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value = Math.Max(0, value);
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if (rectSize != value)
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{
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rectSize = value;
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if (value == 0)
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{
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drawPen.Color = Color.Transparent;
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}
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else
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{
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drawPen.Color = RectColor;
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drawPen.Width = value;
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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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/// <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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if (Text.IsNullOrEmpty()) return;
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e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
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e.Graphics.CompositingQuality = CompositingQuality.HighQuality;
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drawSize = e.Graphics.MeasureString(Text, Font, new PointF(), StringFormat.GenericTypographic);
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if (AutoSize)
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{
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point.X = Padding.Left;
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point.Y = Padding.Top;
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}
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else
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{
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if (TextAlign == ContentAlignment.TopLeft ||
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TextAlign == ContentAlignment.MiddleLeft ||
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TextAlign == ContentAlignment.BottomLeft)
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{
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point.X = Padding.Left;
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}
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else if (TextAlign == ContentAlignment.TopCenter ||
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TextAlign == ContentAlignment.MiddleCenter ||
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TextAlign == ContentAlignment.BottomCenter)
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{
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point.X = (Width - drawSize.Width) / 2;
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}
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else
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{
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point.X = Width - (Padding.Right + drawSize.Width);
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}
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if (TextAlign == ContentAlignment.TopLeft ||
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TextAlign == ContentAlignment.TopCenter ||
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TextAlign == ContentAlignment.TopRight)
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{
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point.Y = Padding.Top;
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}
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else if (TextAlign == ContentAlignment.MiddleLeft ||
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TextAlign == ContentAlignment.MiddleCenter ||
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TextAlign == ContentAlignment.MiddleRight)
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{
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point.Y = (Height - drawSize.Height) / 2;
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}
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else
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{
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point.Y = Height - (Padding.Bottom + drawSize.Height);
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}
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}
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float fontSize = e.Graphics.DpiY * Font.SizeInPoints / 72;
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drawPath.Reset();
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drawPath.AddString(Text, Font.FontFamily, (int)Font.Style, fontSize,
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point, StringFormat.GenericTypographic);
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e.Graphics.FillPath(forecolorBrush, drawPath);
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e.Graphics.DrawPath(drawPen, drawPath);
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}
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}
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}
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