97 lines
2.7 KiB
C#
97 lines
2.7 KiB
C#
using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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namespace DevComponents.DotNetBar
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{
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/// <summary>
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/// Summary description for SimpleNodeDisplay.
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/// </summary>
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internal class SimpleNodeDisplay
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{
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public static void Paint(SimpleNodeDisplayInfo di)
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{
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Rectangle r=di.Element.Bounds;
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//di.Graphics.SetClip(r);
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Region oldClip = di.Graphics.Clip;
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if (oldClip != null)
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di.Graphics.SetClip(r, CombineMode.Intersect);
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else
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di.Graphics.SetClip(r, CombineMode.Replace);
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//r.Inflate(1,1);
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ElementStyleDisplayInfo displayInfo=new ElementStyleDisplayInfo(di.Style,di.Graphics,r);
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ElementStyleDisplay.Paint(displayInfo);
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di.Graphics.ResetClip();
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if(di.Element.ImageVisible)
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SimpleNodeDisplay.PaintImage(di);
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if(di.Element.TextVisible)
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{
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displayInfo.Bounds=(di.TextBounds.IsEmpty?di.Element.TextBounds:di.TextBounds);
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eTextFormat format = di.Style.TextFormat;
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if (di.RightToLeft)
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format |= eTextFormat.RightToLeft;
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ElementStyleDisplay.PaintText(displayInfo,di.Element.Text,di.Font, false, format);
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}
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if (oldClip != null)
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di.Graphics.Clip = oldClip;
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else
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di.Graphics.ResetClip();
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}
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private static void PaintImage(SimpleNodeDisplayInfo di)
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{
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if(di.Element.ImageLayoutSize.IsEmpty || di.Element.Image==null)
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return;
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Rectangle r=di.Element.ImageBounds;
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di.Graphics.DrawImage(di.Element.Image,r.X+(r.Width-di.Element.Image.Width)/2,
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r.Y+(r.Height-di.Element.Image.Height)/2);
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}
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// private static void PaintText(SimpleNodeDisplayInfo di)
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// {
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// ISimpleElement e=di.Element;
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// if(e.Text=="" || e.TextBounds.IsEmpty || di.Style.TextColor.IsEmpty)
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// return;
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//
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// Rectangle bounds=e.TextBounds;
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//
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// Font font=di.Style.Font;
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// if(font==null)
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// font=di.Font;
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//
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// using(SolidBrush brush=new SolidBrush(di.Style.TextColor))
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// {
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// di.Graphics.DrawString(e.Text,font,brush,bounds,di.Style.StringFormat);
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// }
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// }
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}
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/// <summary>
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/// Represents information neccessary to paint the cell on canvas.
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/// </summary>
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internal class SimpleNodeDisplayInfo
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{
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public ElementStyle Style=null;
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public System.Drawing.Graphics Graphics=null;
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public ISimpleElement Element=null;
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public System.Drawing.Font Font=null;
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public Rectangle TextBounds=Rectangle.Empty;
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public bool RightToLeft = false;
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public SimpleNodeDisplayInfo(ElementStyle style, System.Drawing.Graphics g, ISimpleElement elem, Font font, bool rightToLeft)
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{
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this.Style=style;
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this.Graphics=g;
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this.Element=elem;
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this.Font=font;
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this.RightToLeft = rightToLeft;
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}
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}
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}
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