232 lines
8.5 KiB
C#
232 lines
8.5 KiB
C#
using System;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Imaging;
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using System.Drawing.Text;
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namespace DevComponents.DotNetBar
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{
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/// <summary>
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/// Represents class for displaying BubbleButton objects on canvas.
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/// </summary>
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internal class BubbleButtonDisplay
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{
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static int BUTTON_TOOLTIP_SPACING=3;
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/// <summary>
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/// Paints button on given canvas.
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/// </summary>
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/// <param name="info">Painting information.</param>
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public static void Paint(BubbleButtonDisplayInfo info)
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{
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if(!info.Button.Visible)
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return;
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CompositeImage image=null;
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Rectangle buttonRectangle=Rectangle.Empty;
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if(info.Magnified)
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{
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buttonRectangle=info.Button.MagnifiedDisplayRectangle;
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image=GetButtonImage(info.Button,buttonRectangle.Size);
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}
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else
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{
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buttonRectangle=info.Button.DisplayRectangle;
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image=GetButtonImage(info.Button,buttonRectangle.Size);
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}
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if (buttonRectangle.Width < 2 || buttonRectangle.Height < 2) return;
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if(image!=null)
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{
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if(!info.Button.Enabled)
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image.DrawImage(info.Graphics,buttonRectangle,0,0,image.ActualWidth,image.ActualHeight,GraphicsUnit.Pixel,GetDisabledAttributes());
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else if(info.Button.MouseDown)
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image.DrawImage(info.Graphics,buttonRectangle,0,0,image.ActualWidth,image.ActualHeight,GraphicsUnit.Pixel,GetDarkAttributes());
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else
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image.DrawImage(info.Graphics,buttonRectangle);
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}
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else
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info.Graphics.DrawRectangle(SystemPens.Highlight,buttonRectangle);
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if(info.Button.Focus)
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{
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buttonRectangle.Inflate(1,1);
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DesignTime.DrawDesignTimeSelection(info.Graphics,buttonRectangle,Color.Navy);
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}
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DrawTooltip(info);
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}
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public static CompositeImage GetButtonImage(BubbleButton button, Size size)
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{
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CompositeImage image=null;
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if(button.Image!=null)
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{
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if(button.Image.Size==size || button.ImageLarge==null)
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image=new CompositeImage(button.Image,false,size);
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else if(button.ImageLarge!=null && (button.ImageLarge.Size==size || button.ImageLarge.Size.Height/size.Height<2))
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image=new CompositeImage(button.ImageLarge,false,size);
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else
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image=new CompositeImage(button.Image,false,size);
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}
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else if(button.ImageCached!=null)
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{
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if(button.ImageCached.Size==size || button.ImageLargeCached==null)
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image=new CompositeImage(button.ImageCached,false,size);
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else if(button.ImageLargeCached!=null && button.ImageLargeCached.Size.Height/size.Height<=2)
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image=new CompositeImage(button.ImageLargeCached,false,size);
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else
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image=new CompositeImage(button.ImageCached,false,size);
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}
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// else if(button.Icon!=null)
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// {
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//
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// }
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return image;
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}
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private static void DrawTooltip(BubbleButtonDisplayInfo info)
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{
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//float emMulti=1.3285f;
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if(info.Button.MouseOver && info.BubbleBar.ShowTooltips && info.Button.TooltipText!="")
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{
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Color textColor = info.BubbleBar.TooltipTextColor;
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Color outlineColor = info.BubbleBar.TooltipOutlineColor;
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StringFormat format = TextDrawing.GetStringFormat(eTextFormat.Default); // BarFunctions.CreateStringFormat();
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System.Drawing.Drawing2D.CompositingMode cs=info.Graphics.CompositingMode=System.Drawing.Drawing2D.CompositingMode.SourceOver;
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Font font=info.BubbleBar.TooltipFont;
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if(font==null)
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font=info.BubbleBar.Font;
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Rectangle rText=info.Button.DisplayRectangle;
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Size size = TextDrawing.MeasureString(info.Graphics, info.Button.TooltipText, font);
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if(info.Magnified)
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rText=info.Button.MagnifiedDisplayRectangle;
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if(info.Alignment==eBubbleButtonAlignment.Bottom)
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rText.Y-=(Math.Max(font.Height, size.Height)+BUTTON_TOOLTIP_SPACING);
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else
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rText.Y=rText.Bottom+BUTTON_TOOLTIP_SPACING;
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rText.Offset(-(size.Width-rText.Width)/2,0);
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Size tooltipSize = TextDrawing.MeasureString(info.Graphics, info.Button.TooltipText, font);
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Rectangle outline = rText;
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outline.Size = tooltipSize;
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outline.Inflate(2, 2);
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using (SolidBrush brush = new SolidBrush(Color.FromArgb(200, outlineColor)))
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DisplayHelp.FillRoundedRectangle(info.Graphics, brush, outline, 3);
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//Point pOutline=rText.Location;
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//pOutline.Offset(-1,0);
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//GraphicsPath path=new GraphicsPath();
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//path.AddString(info.Button.TooltipText,font.FontFamily,(int)font.Style,font.SizeInPoints/*font.SizeInPoints*emMulti*/,new PointF((pOutline.X+1)*72/info.Graphics.DpiX,(pOutline.Y-1)*72/info.Graphics.DpiY),format);
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//using(Pen pen=new Pen(outlineColor,(font.SizeInPoints>=10?1:1)))
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// path.Widen(pen);
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//using(SolidBrush brush=new SolidBrush(Color.FromArgb(200,outlineColor)))
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//{
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// GraphicsUnit pageUnit=info.Graphics.PageUnit;
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// info.Graphics.PageUnit=GraphicsUnit.Point;
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// info.Graphics.FillPath(brush,path);
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// info.Graphics.PageUnit=pageUnit;
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//}
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//path.Dispose();
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//path=new GraphicsPath();
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//path.AddString(info.Button.TooltipText,font.FontFamily,(int)font.Style,font.SizeInPoints/*font.SizeInPoints*emMulti*/,new PointF(pOutline.X*72/info.Graphics.DpiX,pOutline.Y*72/info.Graphics.DpiY),format);
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//path.Widen(SystemPens.ControlText);
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//using(SolidBrush brush=new SolidBrush(Color.FromArgb(200,outlineColor)))
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//{
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// GraphicsUnit pageUnit=info.Graphics.PageUnit;
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// info.Graphics.PageUnit=GraphicsUnit.Point;
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// info.Graphics.FillPath(brush,path);
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// info.Graphics.PageUnit=pageUnit;
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//}
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//path.Dispose();
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TextDrawing.DrawString(info.Graphics,info.Button.TooltipText,font,textColor,rText.X,rText.Y,eTextFormat.Default);
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info.Graphics.CompositingMode=cs;
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format.Dispose();
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}
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}
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private static ImageAttributes GetDarkAttributes()
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{
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float[][] array = new float[5][];
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// array[0] = new float[5] {1, 0, 0, 0, 0};
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// array[1] = new float[5] {0, 1, 0, 0, 0};
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// array[2] = new float[5] {0, 0, 1, 0, 0};
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// array[3] = new float[5] {0, 0, 1, 0, 0};
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// array[4] = new float[5] {.5f, .5f, .5f, 0, 1};
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array[0] = new float[5] {.65f, 0, 0, 0, 0};
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array[1] = new float[5] {0, .65f, 0, 0, 0};
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array[2] = new float[5] {0, 0, .65f, 0, 0};
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array[3] = new float[5] {0, 0, 0, 1, 0};
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array[4] = new float[5] {0, 0, 0, 0, .65f};
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ColorMatrix grayMatrix = new ColorMatrix(array);
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ImageAttributes darkImageAttr = new ImageAttributes();
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darkImageAttr.ClearColorKey();
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darkImageAttr.SetColorMatrix(grayMatrix);
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return darkImageAttr;
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}
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private static ImageAttributes GetDisabledAttributes()
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{
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float[][] array = new float[5][];
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array[0] = new float[5] {0.5f, 0.5f, 0.5f, 0.0f, 0.0f};
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array[1] = new float[5] {0.5f, 0.5f, 0.5f, 0.0f, 0.0f};
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array[2] = new float[5] {0.5f, 0.5f, 0.5f, 0.0f, 0.0f};
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array[3] = new float[5] {0.0f, 0.0f, 0.0f, 1.0f, 0.0f};
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array[4] = new float[5] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f};
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//ColorMatrix grayMatrix = new ColorMatrix(array);
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ColorMatrix grayMatrix = new ColorMatrix();
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grayMatrix.Matrix00 = 1/3f;
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grayMatrix.Matrix01 = 1/3f;
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grayMatrix.Matrix02 = 1/3f;
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grayMatrix.Matrix10 = 1/3f;
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grayMatrix.Matrix11 = 1/3f;
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grayMatrix.Matrix12 = 1/3f;
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grayMatrix.Matrix20 = 1/3f;
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grayMatrix.Matrix21 = 1/3f;
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grayMatrix.Matrix22 = 1/3f;
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grayMatrix.Matrix33 = .5f; // Alpha-channel
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ImageAttributes darkImageAttr = new ImageAttributes();
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darkImageAttr.ClearColorKey();
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darkImageAttr.SetColorMatrix(grayMatrix);
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return darkImageAttr;
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}
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}
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#region BubbleButtonDisplayInfo
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/// <summary>
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/// Represents class that holds information for BubbleButton painting.
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/// </summary>
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public class BubbleButtonDisplayInfo
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{
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/// <summary>
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/// Graphics object.
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/// </summary>
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public Graphics Graphics=null;
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/// <summary>
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/// Button to paint.
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/// </summary>
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public BubbleButton Button=null;
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/// <summary>
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/// Reference to BubbleBar control.
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/// </summary>
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public BubbleBar BubbleBar=null;
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/// <summary>
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/// Gets or sets whether magnified version of the button is painted.
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/// </summary>
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public bool Magnified=false;
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/// <summary>
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/// Gets or sets the button alignment inside of the bar.
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/// </summary>
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public eBubbleButtonAlignment Alignment=eBubbleButtonAlignment.Bottom;
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}
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#endregion
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}
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