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