DotNet 4.8.1 build of DotNetBar

PROMS/DotNetBar Source Code/Metro/Rendering/DrawingHelpers.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Drawing;
+
+namespace DevComponents.DotNetBar.Metro.Rendering
+{
+    internal static class DrawingHelpers
+    {
+        /// <summary>
+        /// Draws the border.
+        /// </summary>
+        /// <param name="g">Graphics canvas.</param>
+        /// <param name="bounds">Bounds for border.</param>
+        /// <param name="borderThickness">Border thickness.</param>
+        /// <param name="borderColor">Border color.</param>
+        public static void DrawBorder(Graphics g, RectangleF bounds, Thickness borderThickness, BorderColors borderColor)
+        {
+            if (borderColor.IsEmpty || borderThickness.IsZero) return;
+
+            bounds.Width -= (float)borderThickness.Right;
+            bounds.Height -= (float)borderThickness.Bottom;
+            if (borderThickness.Right > 1) bounds.Width++;
+            if (borderThickness.Bottom > 1) bounds.Height++;
+
+            System.Drawing.Drawing2D.SmoothingMode sm = g.SmoothingMode;
+            g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None;
+
+            if (borderThickness.Left > 0d && !borderColor.Left.IsEmpty)
+            {
+                using (Pen pen = new Pen(borderColor.Left, (float)borderThickness.Left))
+                {
+                    pen.Alignment = System.Drawing.Drawing2D.PenAlignment.Inset;
+                    g.DrawLine(pen, bounds.X, bounds.Y, bounds.X, bounds.Bottom);
+                }
+            }
+
+            if (borderThickness.Top > 0d && !borderColor.Top.IsEmpty)
+            {
+                using (Pen pen = new Pen(borderColor.Top, (float)borderThickness.Top))
+                {
+                    pen.Alignment = System.Drawing.Drawing2D.PenAlignment.Inset;
+                    g.DrawLine(pen, bounds.X, bounds.Y, bounds.Right, bounds.Y);
+                }
+            }
+
+            if (borderThickness.Right > 0d && !borderColor.Right.IsEmpty)
+            {
+                using (Pen pen = new Pen(borderColor.Right, (float)borderThickness.Right))
+                {
+                    pen.Alignment = System.Drawing.Drawing2D.PenAlignment.Inset;
+                    g.DrawLine(pen, bounds.Right, bounds.Y, bounds.Right, bounds.Bottom + (float)borderThickness.Bottom / 2);
+                }
+            }
+
+            if (borderThickness.Bottom > 0d && !borderColor.Bottom.IsEmpty)
+            {
+                using (Pen pen = new Pen(borderColor.Bottom, (float)borderThickness.Bottom))
+                {
+                    pen.Alignment = System.Drawing.Drawing2D.PenAlignment.Inset;
+                    g.DrawLine(pen, bounds.X, bounds.Bottom, bounds.Right, bounds.Bottom);
+                }
+            }
+
+            g.SmoothingMode = sm;
+        }
+        /// <summary>
+        /// Draws background.
+        /// </summary>
+        /// <param name="g">Graphics canvas.</param>
+        /// <param name="bounds">Background bounds.</param>
+        /// <param name="color">Background color</param>
+        public static void DrawBackground(Graphics g, RectangleF bounds, string color)
+        {
+            if (string.IsNullOrEmpty(color)) return;
+
+            using (SolidBrush brush = new SolidBrush(ColorScheme.GetColor(color)))
+                g.FillRectangle(brush, bounds);
+
+        }
+
+        /// <summary>
+        /// Deflates the rectangle by the border thickness.
+        /// </summary>
+        /// <param name="bounds">Rectangle.</param>
+        /// <param name="borderThickness">Border thickness</param>
+        /// <returns>Rectangle deflated by the border thickness</returns>
+        public static RectangleF Deflate(RectangleF bounds, Thickness borderThickness)
+        {
+            if (borderThickness.IsZero) return bounds;
+
+            bounds.X += (float)borderThickness.Left;
+            bounds.Width -= (float)(borderThickness.Left + borderThickness.Right);
+            bounds.Y += (float)borderThickness.Top;
+            bounds.Height -= (float)(borderThickness.Top + borderThickness.Bottom);
+
+            return bounds;
+        }
+
+
+    }
+}