337 lines
11 KiB
C#
337 lines
11 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) 2012-2021 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: UIChart.cs
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* 文件说明: 图表基类
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* 当前版本: V3.0
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* 创建日期: 2020-06-06
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*
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* 2020-06-06: V2.2.5 增加文件说明
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* 2020-09-10: V2.2.7 增加图表的边框线颜色设置
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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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public class UIChart : UIControl
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{
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public UIChart()
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{
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SetStyleFlags(true, false);
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ShowText = false;
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fillColor = UIChartStyles.Plain.BackColor;
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foreColor = UIChartStyles.Plain.ForeColor;
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Width = 400;
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Height = 300;
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tip.Parent = this;
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tip.Height = 32;
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tip.Width = 200;
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tip.Left = 1;
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tip.Top = 1;
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tip.StyleCustomMode = true;
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tip.Style = UIStyle.Custom;
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tip.Font = UIFontColor.SubFont;
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tip.RadiusSides = UICornerRadiusSides.None;
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tip.Visible = false;
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tip.FillColor = UIChartStyles.Plain.BackColor;
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tip.RectColor = UIChartStyles.Plain.ForeColor;
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tip.ForeColor = UIChartStyles.Plain.ForeColor;
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tip.Visible = false;
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tip.MouseEnter += Tip_MouseEnter;
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}
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private void Tip_MouseEnter(object sender, EventArgs e)
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{
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tip.Visible = false;
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}
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protected readonly UITransparentPanel tip = new UITransparentPanel();
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private UIChartStyleType chartStyleType = UIChartStyleType.Plain;
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[DefaultValue(UIChartStyleType.Plain)]
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public UIChartStyleType ChartStyleType
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{
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get => chartStyleType;
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set
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{
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chartStyleType = value;
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if (Style != UIStyle.Custom)
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{
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fillColor = ChartStyle.BackColor;
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foreColor = ChartStyle.ForeColor;
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}
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tip.FillColor = ChartStyle.BackColor;
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tip.RectColor = ChartStyle.ForeColor;
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tip.ForeColor = ChartStyle.ForeColor;
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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")]
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[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 => SetForeColor(value);
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}
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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 => rectColor;
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set => SetRectColor(value);
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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")]
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[Category("SunnyUI")]
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[DefaultValue(typeof(Color), "235, 243, 255")]
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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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protected override void OnPaintFill(Graphics g, GraphicsPath path)
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{
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g.FillPath(fillColor, path);
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}
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private UIOption _option;
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[Browsable(false), DefaultValue(null)]
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protected UIOption BaseOption
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{
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get => _option;
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set
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{
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_option = value;
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Invalidate();
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}
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}
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public void SetOption(UIOption option)
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{
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BaseOption = option;
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CalcData();
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}
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protected virtual void CalcData()
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{
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}
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protected UIOption emptyOption;
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[Browsable(false)]
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protected UIOption EmptyOption
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{
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get
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{
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if (emptyOption == null)
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{
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CreateEmptyOption();
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CalcData();
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}
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return emptyOption;
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}
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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base.OnPaint(e);
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DrawOption(e.Graphics);
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}
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[Category("SunnyUI")]
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[DefaultValue(9)]
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public float LegendFontSize { get; set; } = 9.0f;
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[Category("SunnyUI")]
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[DefaultValue(9)]
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public float SubTextFontSize { get; set; } = 9.0f;
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[Category("SunnyUI")]
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[DefaultValue(9)]
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public float TipsFontSize { get; set; } = 9.0f;
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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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if (tip != null)
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{
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tip.IsScaled = true;
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tip.Font = this.DPIScaleFont(Font, TipsFontSize);
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}
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}
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protected virtual void DrawOption(Graphics g)
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{
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}
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protected virtual void CreateEmptyOption()
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{
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}
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protected UIChartStyle ChartStyle => UIChartStyles.GetChartStyle(ChartStyleType);
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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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fillColor = ChartStyle.BackColor;
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foreColor = ChartStyle.ForeColor;
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}
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[DefaultValue(8)]
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public int TextInterval { get; set; } = 8;
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[Browsable(false), Obsolete("已过时，用SubTextFontSize代替")]
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public Font SubFont { get; set; }
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[Browsable(false), Obsolete("已过时，用LegendFontSize代替")]
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public Font LegendFont { get; set; }
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protected void DrawTitle(Graphics g, UITitle title)
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{
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if (title == null) return;
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SizeF sf = g.MeasureString(title.Text, Font);
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float left = 0;
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switch (title.Left)
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{
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case UILeftAlignment.Left: left = TextInterval; break;
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case UILeftAlignment.Center: left = (Width - sf.Width) / 2.0f; break;
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case UILeftAlignment.Right: left = Width - TextInterval - sf.Width; break;
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}
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float top = 0;
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switch (title.Top)
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{
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case UITopAlignment.Top: top = TextInterval; break;
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case UITopAlignment.Center: top = (Height - sf.Height) / 2.0f; break;
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case UITopAlignment.Bottom: top = Height - TextInterval - sf.Height; break;
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}
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g.DrawString(title.Text, Font, ChartStyle.ForeColor, left, top);
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using Font tmp = this.DPIScaleFont(Font, SubTextFontSize);
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SizeF sfs = g.MeasureString(title.SubText, tmp);
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switch (title.Left)
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{
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case UILeftAlignment.Left: left = TextInterval; break;
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case UILeftAlignment.Center: left = (Width - sfs.Width) / 2.0f; break;
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case UILeftAlignment.Right: left = Width - TextInterval - sf.Width; break;
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}
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switch (title.Top)
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{
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case UITopAlignment.Top: top = top + sf.Height; break;
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case UITopAlignment.Center: top = top + sf.Height; break;
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case UITopAlignment.Bottom: top = top - sf.Height; break;
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}
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g.DrawString(title.SubText, tmp, ChartStyle.ForeColor, left, top);
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}
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protected void DrawLegend(Graphics g, UILegend legend)
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{
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if (legend == null) return;
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float totalHeight = 0;
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float totalWidth = 0;
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float maxWidth = 0;
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float oneHeight = 0;
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using Font tmp = this.DPIScaleFont(Font, LegendFontSize);
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foreach (var data in legend.Data)
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{
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SizeF sf = g.MeasureString(data, tmp);
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totalHeight += sf.Height;
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totalWidth += sf.Width;
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totalWidth += 20;
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maxWidth = Math.Max(sf.Width, maxWidth);
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oneHeight = sf.Height;
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}
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float top = 0;
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float left = 0;
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if (legend.Orient == UIOrient.Horizontal)
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{
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if (legend.Left == UILeftAlignment.Left) left = TextInterval;
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if (legend.Left == UILeftAlignment.Center) left = (Width - totalWidth) / 2.0f;
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if (legend.Left == UILeftAlignment.Right) left = Width - totalWidth - TextInterval;
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if (legend.Top == UITopAlignment.Top) top = TextInterval;
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if (legend.Top == UITopAlignment.Center) top = (Height - oneHeight) / 2.0f;
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if (legend.Top == UITopAlignment.Bottom) top = Height - oneHeight - TextInterval;
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}
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if (legend.Orient == UIOrient.Vertical)
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{
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if (legend.Left == UILeftAlignment.Left) left = TextInterval;
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if (legend.Left == UILeftAlignment.Center) left = (Width - maxWidth) / 2.0f - 10;
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if (legend.Left == UILeftAlignment.Right) left = Width - maxWidth - TextInterval - 20;
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if (legend.Top == UITopAlignment.Top) top = TextInterval;
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if (legend.Top == UITopAlignment.Center) top = (Height - totalHeight) / 2.0f;
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if (legend.Top == UITopAlignment.Bottom) top = Height - totalHeight - TextInterval;
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}
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float startLeft = left;
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float startTop = top;
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for (int i = 0; i < legend.DataCount; i++)
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{
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var data = legend.Data[i];
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SizeF sf = g.MeasureString(data, tmp);
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Color color = ChartStyle.GetColor(i);
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if (legend.Colors.Count > 0 && i >= 0 && i < legend.Colors.Count)
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color = legend.Colors[i];
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if (legend.Orient == UIOrient.Horizontal)
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{
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g.FillRoundRectangle(color, (int)startLeft, (int)top + 1, 18, (int)oneHeight - 2, 5);
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g.DrawString(data, tmp, color, startLeft + 20, top);
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startLeft += 22;
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startLeft += sf.Width;
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}
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if (legend.Orient == UIOrient.Vertical)
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{
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g.FillRoundRectangle(color, (int)left, (int)startTop + 1, 18, (int)oneHeight - 2, 5);
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g.DrawString(data, tmp, color, left + 20, startTop);
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startTop += oneHeight;
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}
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}
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}
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}
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} |