zilinsoft
3262955f2f
------ #### RaUIV4 V4.0.2311.0701 - *.[全新]整合了MyDb、ryControls、MyDb_MySQL等dll文件到RaUI一个项目。 - *.[新增]新增ApkOp类,可以轻松获取APK信息。 - *.[新增]新增JsonExt扩展类,让Json操作更简单。 - *.[新增]新增WebP类,可以支持webp格式的图片。 - *.[改进]ryQuickSQL中的AddField方法改为自动替换已存在的同名值。 - *.[修复]ryQuickSQL中的AddFieldCalc方法无法正常计算的BUG。
93 lines
2.9 KiB
C#
93 lines
2.9 KiB
C#
// "Therefore those skilled at the unorthodox
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// are infinite as heaven and earth,
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// inexhaustible as the great rivers.
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// When they come to an end,
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// they begin again,
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// like the days and months;
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// they die and are reborn,
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// like the four seasons."
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//
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// - Sun Tsu,
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// "The Art of War"
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using System;
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using System.Drawing.Drawing2D;
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using TheArtOfDev.HtmlRenderer.Adapters;
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using TheArtOfDev.HtmlRenderer.Adapters.Entities;
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namespace TheArtOfDev.HtmlRenderer.WinForms.Adapters
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{
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/// <summary>
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/// Adapter for WinForms graphics path object for core.
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/// </summary>
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internal sealed class GraphicsPathAdapter : RGraphicsPath
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{
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/// <summary>
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/// The actual WinForms graphics path instance.
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/// </summary>
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private readonly GraphicsPath _graphicsPath = new GraphicsPath();
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/// <summary>
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/// the last point added to the path to begin next segment from
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/// </summary>
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private RPoint _lastPoint;
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/// <summary>
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/// The actual WinForms graphics path instance.
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/// </summary>
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public GraphicsPath GraphicsPath
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{
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get { return _graphicsPath; }
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}
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public override void Start(double x, double y)
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{
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_lastPoint = new RPoint(x, y);
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}
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public override void LineTo(double x, double y)
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{
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_graphicsPath.AddLine((float)_lastPoint.X, (float)_lastPoint.Y, (float)x, (float)y);
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_lastPoint = new RPoint(x, y);
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}
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public override void ArcTo(double x, double y, double size, Corner corner)
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{
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float left = (float)(Math.Min(x, _lastPoint.X) - (corner == Corner.TopRight || corner == Corner.BottomRight ? size : 0));
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float top = (float)(Math.Min(y, _lastPoint.Y) - (corner == Corner.BottomLeft || corner == Corner.BottomRight ? size : 0));
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_graphicsPath.AddArc(left, top, (float)size * 2, (float)size * 2, GetStartAngle(corner), 90);
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_lastPoint = new RPoint(x, y);
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}
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public override void Dispose()
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{
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_graphicsPath.Dispose();
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}
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/// <summary>
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/// Get arc start angle for the given corner.
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/// </summary>
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private static int GetStartAngle(Corner corner)
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{
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int startAngle;
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switch (corner)
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{
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case Corner.TopLeft:
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startAngle = 180;
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break;
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case Corner.TopRight:
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startAngle = 270;
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break;
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case Corner.BottomLeft:
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startAngle = 90;
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break;
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case Corner.BottomRight:
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startAngle = 0;
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break;
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default:
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throw new ArgumentOutOfRangeException("corner");
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}
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return startAngle;
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}
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}
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} |