/* * 本代码受中华人民共和国著作权法保护，作者仅授权下载代码之人在学习和交流范围内 * 自由使用与修改代码；欲将代码用于商业用途的，请与作者联系。 * 使用本代码请保留此处信息。作者联系方式：ping3108@163.com, 欢迎进行技术交流 */ using System; using System.Drawing; using System.Drawing.Drawing2D; using System.ComponentModel; using System.Windows.Forms; using MGdu.WinFormUI.MyGraphics; //忽略没有注释警告 #pragma warning disable 1591 namespace MGdu.WinFormUI { [ToolboxItem(true)] public class GMProgressBar : GMBarControlBase, IGMControl { #region 构造函数及初始化 public GMProgressBar() { } #endregion #region private var string text = "0%"; #endregion #region IGMControl实现 [Browsable(false), EditorBrowsable(EditorBrowsableState.Never)] public GMControlType ControlType { get { return GMControlType.ProgressBar; } } #endregion #region 新增的公开属性 int _percentage = 0; bool _showPercentageText = true; GMProgessBarThemeBase _xtheme; ProgressBarShapeStyle _shap = ProgressBarShapeStyle.Rectangle; [DefaultValue(0), Description("0-100之间的整数值，表示当前进度")] public int Percentage { get { return _percentage; } set { if (_percentage != value) { if (value < 0) value = 0; if (value > 100) value = 100; _percentage = value; text = _percentage.ToString() + "%"; Invalidate(); } } } [DefaultValue(true)] public bool ShowPercentageText { get { return _showPercentageText; } set { if (_showPercentageText != value) { _showPercentageText = value; Invalidate(); } } } [Description("表示进度条是长方形的还是圆形的"),DefaultValue(typeof(ProgressBarShapeStyle),"0")] public ProgressBarShapeStyle Shape { get { return _shap; } set { if (_shap != value) { _shap = value; Invalidate(); } } } [Browsable(false), EditorBrowsable(EditorBrowsableState.Never)] public GMProgessBarThemeBase XTheme { get { return _xtheme; } set { _xtheme = value; Invalidate(); } } #endregion #region 可用XTheme配置的属性 protected virtual Color GMBackColor { get { if (_xtheme == null) return Color.White; else return _xtheme.BackColor; } } protected virtual Color InnerBorderColor { get { if (_xtheme == null) return Color.White; else return _xtheme.InnerBorderColor; } } protected virtual Color BorderColor { get { if (_xtheme == null) return Color.FromArgb(171, 171, 171); else return _xtheme.BorderColor; } } protected virtual Color CoveredColor { get { if (_xtheme == null) return Color.FromArgb(0, 114, 198); else return _xtheme.CoveredColor; } } protected virtual Color LeadingEdgeColor { get { if (_xtheme == null) return Color.Empty; else return _xtheme.LeadingEdgeColor; } } protected virtual bool DrawInnerBorder { get { if (_xtheme == null) return true; else return _xtheme.DrawInnerBorder; } } protected virtual bool DrawLeadingEdge { get { if (_xtheme == null) return false; else return _xtheme.DrawLeadingEdge; } } protected virtual bool DrawBackColorGlass { get { if (_xtheme == null) return false; else return _xtheme.DrawBackColorGlass; } } protected virtual bool DrawCoveredColorGlass { get { if (_xtheme == null) return false; else return _xtheme.DrawCoveredColorGlass; } } protected virtual int BorderRadius { get { if (_xtheme == null) return 0; else return _xtheme.BorderRadius; } } protected virtual Color GMForeColor { get { if (_xtheme == null) return base.ForeColor; else return _xtheme.ForeColor; } } protected virtual Font ForeFont { get { if (_xtheme == null) return base.Font; else return _xtheme.ForeFont; } } #endregion #region 计算出的各元素区域 private Rectangle CoveredRect { get { Point location = ClientRectangle.Location; int maxWidth, height, width; if (DrawInnerBorder) { maxWidth = base.Width - 4; height = base.Height - 4; location.Offset(2, 2); } else { maxWidth = base.Width - 2; height = base.Height - 2; location.Offset(1, 1); } width = (int)((float)maxWidth * (float)Percentage / 100f); return new Rectangle(location, new Size(width, height)); } } #endregion #region 内部绘图 protected virtual void PaintThisBar(Graphics g) { BasicBlockPainter.RenderFlatBackground(g, ClientRectangle, GMBackColor, ButtonBorderType.Rectangle, BorderRadius, RoundStyle.All); if (DrawBackColorGlass) BasicBlockPainter.RenderRectangleGlass(g, ClientRectangle, BorderRadius, RoundStyle.All, RectangleGlassPosition.Bottom, 270f, 0.5f, Color.White, 100, 20); Rectangle rectCover = CoveredRect; if (rectCover.Width > 0) { rectCover.Inflate(1, 1); BasicBlockPainter.RenderFlatBackground(g, rectCover, CoveredColor, ButtonBorderType.Rectangle, BorderRadius, RoundStyle.All); if (DrawCoveredColorGlass) BasicBlockPainter.RenderRectangleGlass(g, rectCover, BorderRadius, RoundStyle.All, RectangleGlassPosition.Top, 90.001f); } if (DrawLeadingEdge && Percentage != 100) { rectCover.Inflate(-1, -1); Point p1 = new Point(rectCover.Right - 1 + 1, rectCover.Y); Point p2 = new Point(rectCover.Right - 1 + 1, rectCover.Bottom - 1); using (Pen p = new Pen(LeadingEdgeColor)) { g.DrawLine(p, p1, p2); } } if (ShowPercentageText) { TextRenderer.DrawText(g, text, ForeFont, ClientRectangle, ForeColor, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter); } Rectangle rectBorder = ClientRectangle; BasicBlockPainter.RenderBorder(g, rectBorder, BorderColor, ButtonBorderType.Rectangle, BorderRadius, RoundStyle.All); if (DrawInnerBorder) { rectBorder.Inflate(-1, -1); BasicBlockPainter.RenderBorder(g, rectBorder, InnerBorderColor, ButtonBorderType.Rectangle, BorderRadius, RoundStyle.All); } } protected virtual void PaintThisBarInCircleShape(Graphics g) { Rectangle rect; if (base.Width < base.Height) { rect = new Rectangle(0, (Height - Width) / 2, Width, Width); } else { rect = new Rectangle((Width - Height) / 2, 0, Height, Height); } g.FillRectangle(Brushes.Transparent, ClientRectangle); SimpleObjectPainter.RenderCircleProgressBar( g, rect, CoveredColor, BorderColor, GMBackColor, DrawInnerBorder, 270, Percentage, ShowPercentageText, ForeFont); } #endregion #region 重写基类方法 protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); if (Shape == ProgressBarShapeStyle.Circle) { PaintThisBarInCircleShape(e.Graphics); } else { PaintThisBar(e.Graphics); } } [Browsable(true)] public override System.Drawing.Color ForeColor { get { return base.ForeColor; } set { base.ForeColor = value; } } [Browsable(true)] public override Font Font { get { return base.Font; } set { base.Font = value; } } #endregion } }