using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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namespace DPumpHydr.WinFrmUI.WenSkin.Controls
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{
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public static class ControlHelper
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{
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/// <summary>
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/// 设置GDI高质量模式抗锯齿
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/// </summary>
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/// <param name="g">The g.</param>
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public static Graphics SetGDIHigh(this Graphics g)
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{
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g.SmoothingMode = SmoothingMode.AntiAlias; //使绘图质量最高，即消除锯齿
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g.InterpolationMode = InterpolationMode.HighQualityBicubic;
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g.CompositingQuality = CompositingQuality.HighQuality;
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return g;
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}
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/// <summary>
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/// 根据矩形和圆得到一个圆角矩形Path
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/// </summary>
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/// <param name="rect">The rect.</param>
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/// <param name="cornerRadius">The corner radius.</param>
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/// <returns>GraphicsPath.</returns>
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public static GraphicsPath CreateRoundedRectanglePath(this Rectangle rect, int cornerRadius)
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{
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GraphicsPath roundedRect = new GraphicsPath();
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roundedRect.AddArc(rect.X, rect.Y, cornerRadius * 2, cornerRadius * 2, 180, 90);
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roundedRect.AddLine(rect.X + cornerRadius, rect.Y, rect.Right - cornerRadius * 2, rect.Y);
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roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y, cornerRadius * 2, cornerRadius * 2, 270, 90);
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roundedRect.AddLine(rect.Right, rect.Y + cornerRadius * 2, rect.Right, rect.Y + rect.Height - cornerRadius * 2);
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roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y + rect.Height - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 0, 90);
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roundedRect.AddLine(rect.Right - cornerRadius * 2, rect.Bottom, rect.X + cornerRadius * 2, rect.Bottom);
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roundedRect.AddArc(rect.X, rect.Bottom - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 90, 90);
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roundedRect.AddLine(rect.X, rect.Bottom - cornerRadius * 2, rect.X, rect.Y + cornerRadius * 2);
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roundedRect.CloseFigure();
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return roundedRect;
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}
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/// <summary>
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/// 根据矩形和圆得到一个圆角矩形Path
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/// </summary>
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/// <param name="rect">The rect.</param>
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/// <param name="cornerRadius">The corner radius.</param>
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/// <returns>GraphicsPath.</returns>
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public static GraphicsPath CreateRoundedRectanglePath(this RectangleF rect, float cornerRadius)
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{
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GraphicsPath roundedRect = new GraphicsPath();
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roundedRect.AddArc(rect.X, rect.Y, cornerRadius * 2, cornerRadius * 2, 180, 90);
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roundedRect.AddLine(rect.X + cornerRadius, rect.Y, rect.Right - cornerRadius * 2, rect.Y);
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roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y, cornerRadius * 2, cornerRadius * 2, 270, 90);
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roundedRect.AddLine(rect.Right, rect.Y + cornerRadius * 2, rect.Right, rect.Y + rect.Height - cornerRadius * 2);
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roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y + rect.Height - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 0, 90);
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roundedRect.AddLine(rect.Right - cornerRadius * 2, rect.Bottom, rect.X + cornerRadius * 2, rect.Bottom);
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roundedRect.AddArc(rect.X, rect.Bottom - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 90, 90);
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roundedRect.AddLine(rect.X, rect.Bottom - cornerRadius * 2, rect.X, rect.Y + cornerRadius * 2);
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roundedRect.CloseFigure();
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return roundedRect;
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}
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/// <summary>
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/// 绘制文字，垂直居中，水平靠左
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/// </summary>
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public static StringFormat StringConters { get; set; }
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= new StringFormat(StringFormatFlags.NoClip | StringFormatFlags.NoWrap)
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{
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LineAlignment = StringAlignment.Center,
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Trimming = StringTrimming.EllipsisCharacter
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};
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/// <summary>
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/// 绘制文字，垂直居中，水平居中
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/// </summary>
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public static StringFormat StringContersCenter { get; set; }
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= new StringFormat(StringFormatFlags.NoClip | StringFormatFlags.NoWrap)
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{
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LineAlignment = StringAlignment.Center,
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Alignment = StringAlignment.Center,
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Trimming = StringTrimming.EllipsisCharacter
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};
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public static Color ColorReverse(Color color)
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{
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Color c = ColorAshen(color);
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return Color.FromArgb(255 - c.R, 255 - c.G, 255 - c.B);
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}
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public static Color ColorAshen(Color color)
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{
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//转为灰白色
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int v = (int)((color.R + color.G + color.B) / 3);
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if (v < 0)
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v = 0;
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else if (v > 255)
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v = 255;
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return Color.FromArgb(v, v, v);
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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="brush"></param>
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/// <param name="point"></param>
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/// <param name="size"></param>
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/// <param name="direction"></param>
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public static void PaintTriangle(Graphics g, System.Drawing.Brush brush, Point point, int size, GraphDirection direction)
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{
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Point[] array = new Point[4];
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switch (direction)
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{
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case GraphDirection.Leftward:
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array[0] = new Point(point.X, point.Y - size);
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array[1] = new Point(point.X, point.Y + size);
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array[2] = new Point(point.X - 2 * size, point.Y);
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break;
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case GraphDirection.Rightward:
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array[0] = new Point(point.X, point.Y - size);
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array[1] = new Point(point.X, point.Y + size);
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array[2] = new Point(point.X + 2 * size, point.Y);
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break;
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case GraphDirection.Upward:
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array[0] = new Point(point.X - size, point.Y);
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array[1] = new Point(point.X + size, point.Y);
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array[2] = new Point(point.X, point.Y - 2 * size);
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break;
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default:
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array[0] = new Point(point.X - size, point.Y);
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array[1] = new Point(point.X + size, point.Y);
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array[2] = new Point(point.X, point.Y + 2 * size);
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break;
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}
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array[3] = array[0];
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g.FillPolygon(brush, array);
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}
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public enum GraphDirection
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{
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Upward = 1,
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Downward,
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Leftward,
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Rightward
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}
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public static bool IsDesignMode()
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{
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bool returnFlag = false;
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if (System.ComponentModel.LicenseManager.UsageMode == System.ComponentModel.LicenseUsageMode.Designtime)
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{
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returnFlag = true;
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}
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else if (System.Diagnostics.Process.GetCurrentProcess().ProcessName == "devenv")
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{
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returnFlag = true;
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}
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return returnFlag;
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}
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public static void ScrollDown(IntPtr handle)
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{
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SendMessage(handle, (int)WinApi.CommonConst.WM_VSCROLL, (int)WinApi.CommonConst.SB_LINEDOWN, 0);
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}
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public static void ScrollLeft(IntPtr handle)
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{
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SendMessage(handle, (int)WinApi.CommonConst.WM_HSCROLL, (int)WinApi.CommonConst.SB_LINELEFT, 0);
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}
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public static void ScrollRight(IntPtr handle)
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{
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SendMessage(handle, (int)WinApi.CommonConst.WM_VSCROLL, (int)WinApi.CommonConst.SB_LINERIGHT, 0);
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}
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public static void ScrollUp(IntPtr handle)
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{
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SendMessage(handle, (int)WinApi.CommonConst.WM_VSCROLL, (int)WinApi.CommonConst.SB_LINEUP, 0);
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}
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public struct SCROLLINFO
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{
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public int cbSize;
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public int fMask;
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public int nMin;
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public int nMax;
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public int nPage;
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public int nPos;
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public int nTrackPos;
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public int ScrollMax { get { return nMax + 1 - nPage; } }
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}
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static uint SB_VERT = 0x1;
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static uint SB_HORZ = 0x0;
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/// <summary>
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///获取水平滚动条信息
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/// </summary>
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/// <param name="hWnd">The h WND.</param>
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/// <returns>Scrollbarinfo.</returns>
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public static SCROLLINFO GetHScrollBarInfo(IntPtr hWnd)
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{
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SCROLLINFO info = new SCROLLINFO();
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info.cbSize = (int)Marshal.SizeOf(info);
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info.fMask = (int)WinApi.CommonConst.SIF_DISABLENOSCROLL | (int)WinApi.CommonConst.SIF_ALL;
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int intRef = GetScrollInfo(hWnd, SB_HORZ, ref info);
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return info;
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}
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/// <summary>
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/// 获取垂直滚动条信息
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/// </summary>
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/// <param name="hWnd">The h WND.</param>
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/// <returns>Scrollbarinfo.</returns>
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public static SCROLLINFO GetVScrollBarInfo(IntPtr hWnd)
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{
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SCROLLINFO info = new SCROLLINFO();
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info.cbSize = (int)Marshal.SizeOf(info);
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info.fMask = (int)WinApi.CommonConst.SIF_DISABLENOSCROLL | (int)WinApi.CommonConst.SIF_ALL;
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int intRef = GetScrollInfo(hWnd, SB_VERT, ref info);
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return info;
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}
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public static void SetVScrollValue(IntPtr handle, int value)
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{
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var info = GetVScrollBarInfo(handle);
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info.nPos = value;
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SetScrollInfo(handle, SB_VERT, ref info, true);
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PostMessage(handle, (int)WinApi.CommonConst.WM_VSCROLL, MakeLong((short)WinApi.CommonConst.SB_THUMBTRACK, highPart: (short)info.nPos), 0);
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}
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public static void SetHScrollValue(IntPtr handle, int value)
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{
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var info = GetHScrollBarInfo(handle);
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info.nPos = value;
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SetScrollInfo(handle, SB_HORZ, ref info, true);
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PostMessage(handle, (int)WinApi.CommonConst.WM_HSCROLL, MakeLong((short)WinApi.CommonConst.SB_THUMBTRACK, highPart: (short)info.nPos), 0);
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}
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private static uint MakeLong(short lowPart, short highPart)
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{
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return (ushort)lowPart | (uint)(highPart << 16);
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}
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[DllImport("User32.dll", EntryPoint = "SendMessage")]
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private static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
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[DllImport("user32.dll ")]
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public static extern int GetWindowLong(IntPtr hWnd, int nIndex);
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[DllImport("user32.dll", SetLastError = true, EntryPoint = "GetScrollInfo")]
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private static extern int GetScrollInfo(IntPtr hWnd, uint fnBar, ref SCROLLINFO psbi);
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[DllImport("user32.dll")]
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private static extern int SetScrollInfo(IntPtr handle, uint fnBar, ref SCROLLINFO si, bool fRedraw);
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[DllImport("user32.dll", EntryPoint = "PostMessage")]
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private static extern bool PostMessage(IntPtr handle, int msg, uint wParam, uint lParam);
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}
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}
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