86 lines
3.0 KiB
C#
86 lines
3.0 KiB
C#
using System;
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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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using MGdu.WinFormUI.MyGraphics;
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namespace MGdu.WinFormUI
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{
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/// <summary>
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/// SimpleObject指的是只有一种状态（不像普通按钮一样有三种状态），并且其上的元素
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/// 布局比较简单的Object
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/// </summary>
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public class SimpleObjectPainter
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="g"></param>
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/// <param name="rect"></param>
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/// <param name="coveredColor"></param>
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/// <param name="borderColor"></param>
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/// <param name="backColor"></param>
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/// <param name="drawInnerBorder"></param>
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/// <param name="startAngle"></param>
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/// <param name="percentage"></param>
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/// <param name="drawText"></param>
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/// <param name="textFont"></param>
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public static void RenderCircleProgressBar(Graphics g, Rectangle rect, Color coveredColor, Color borderColor,
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Color backColor, bool drawInnerBorder, int startAngle, float percentage, bool drawText, Font textFont)
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{
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using (NewSmoothModeGraphics ng = new NewSmoothModeGraphics(g, SmoothingMode.AntiAlias))
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{
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Rectangle backup = rect;
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rect.Width--;
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rect.Height--;
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if (percentage < 0)
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percentage = 0;
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if (percentage > 360)
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percentage = 360;
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SolidBrush brushBack = new SolidBrush(backColor);
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Pen penBorder = new Pen(borderColor);
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// fill background
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g.FillEllipse(brushBack, rect);
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// outter most circle
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g.DrawEllipse(penBorder, rect);
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// pie covered region
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rect.Inflate(-1, -1);
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if (drawInnerBorder)
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rect.Inflate(-1, -1);
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using (SolidBrush sb = new SolidBrush(coveredColor))
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{
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g.FillPie(sb, rect, startAngle, 360 * percentage /100);
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}
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// inner circle background
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rect = backup;
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rect.Inflate(-rect.Width / 4, -rect.Width / 4);
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g.FillEllipse(brushBack, rect);
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// inner circle line
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rect.Inflate(-1, -1);
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if (drawInnerBorder)
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rect.Inflate(-1, -1);
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g.DrawEllipse(penBorder, rect);
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// text
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if (drawText)
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{
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string text = percentage.ToString() + "%";
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TextRenderer.DrawText(g, text, textFont, backup, Color.Black,
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TextFormatFlags.VerticalCenter | TextFormatFlags.HorizontalCenter);
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}
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brushBack.Dispose();
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penBorder.Dispose();
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}
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}
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}
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}
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