231 lines
10 KiB
C#
231 lines
10 KiB
C#
using System;
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using System.Text;
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using DevComponents.DotNetBar.Rendering;
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using System.Drawing.Drawing2D;
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using System.Drawing;
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using System.Runtime.InteropServices;
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namespace DevComponents.DotNetBar
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{
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/// <summary>
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/// Represents the Office 2007 Ribbon Tab Group painter.
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/// </summary>
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internal class Office2007RibbonTabGroupPainter : RibbonTabGroupPainter, IOffice2007Painter
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{
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#region Private Variables
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private Office2007ColorTable m_ColorTable = null; //new Office2007ColorTable();
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#endregion
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#region Internal Implementation
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protected virtual ThemeTextFormat GetThemeFormat()
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{
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ThemeTextFormat tf = ThemeTextFormat.Center | ThemeTextFormat.EndEllipsis | ThemeTextFormat.VCenter | ThemeTextFormat.SingleLine;
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return tf;
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}
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protected virtual eTextFormat GetTextFormat()
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{
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return eTextFormat.VerticalCenter;
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}
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protected virtual Themes.RECT GetThemeTextBounds(Rectangle rect)
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{
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Themes.RECT bounds = new Themes.RECT(new Rectangle(0, 0, rect.Width, rect.Height));
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return bounds;
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}
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protected virtual Rectangle GetTextBounds(RibbonTabGroupRendererEventArgs e)
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{
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return e.Bounds;
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}
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/// <summary>
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/// Paints ribbon tab group.
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/// </summary>
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/// <param name="e">Context information</param>
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public override void PaintTabGroup(RibbonTabGroupRendererEventArgs e)
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{
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Graphics g = e.Graphics;
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Office2007RibbonTabGroupColorTable colorTable = GetColors(e.RibbonTabItemGroup);
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if (colorTable == null)
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return;
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#if FRAMEWORK20
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if (e.ItemPaintArgs.GlassEnabled)
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{
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if (e.ItemPaintArgs.CachedPaint) return;
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PaintTabGroupBackground(g, colorTable, e.Bounds, e.GroupBounds, true);
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Rectangle rect = e.Bounds;
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rect.Height -= 2;
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IntPtr hdc = g.GetHdc();
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Font font = e.GroupFont;
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string text = e.RibbonTabItemGroup.GroupTitle;
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ThemeTextFormat tf = GetThemeFormat();
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try
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{
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IntPtr memdc = WinApi.CreateCompatibleDC(hdc);
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try
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{
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WinApi.BITMAPINFO bmpInfo = new WinApi.BITMAPINFO();
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bmpInfo.biWidth = rect.Width;
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bmpInfo.biHeight = -rect.Height;
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bmpInfo.biPlanes = 1;
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bmpInfo.biBitCount = 32;
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bmpInfo.biSize = Marshal.SizeOf(bmpInfo);
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IntPtr dib = WinApi.CreateDIBSection(hdc, bmpInfo, 0, 0, IntPtr.Zero, 0);
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WinApi.SelectObject(memdc, dib);
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IntPtr fontHandle = font.ToHfont();
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WinApi.SelectObject(memdc, fontHandle);
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Themes.RECT bounds = GetThemeTextBounds(rect);
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System.Windows.Forms.VisualStyles.VisualStyleRenderer themeRenderer = new System.Windows.Forms.VisualStyles.VisualStyleRenderer(System.Windows.Forms.VisualStyles.VisualStyleElement.Window.Caption.Active);
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Themes.DTTOPTS dttOpts = new Themes.DTTOPTS();
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dttOpts.iGlowSize = 10;
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dttOpts.crText = new Themes.COLORREF(colorTable.Text);
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dttOpts.dwFlags = (int)Themes.DTT_VALIDBITS.DTT_COMPOSITED | (int)Themes.DTT_VALIDBITS.DTT_TEXTCOLOR;
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if (colorTable.Background == null || colorTable.Background.IsEmpty || colorTable.Background.Start.A < 255)
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dttOpts.dwFlags |= (int)Themes.DTT_VALIDBITS.DTT_GLOWSIZE;
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dttOpts.dwSize = Marshal.SizeOf(dttOpts);
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// Draw Background
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using (Graphics gb = Graphics.FromHdc(memdc))
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{
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PaintTabGroupBackground(gb, colorTable, new Rectangle(0, 0, rect.Width, rect.Height + 2), new Rectangle(0, 0, rect.Width, rect.Height + 2), true);
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}
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Themes.DrawThemeTextEx(themeRenderer.Handle, memdc, 0, 0, text, -1, (int)tf, ref bounds, ref dttOpts);
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const int SRCCOPY = 0x00CC0020;
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WinApi.BitBlt(hdc, rect.Left, rect.Top, rect.Width, rect.Height, memdc, 0, 0, SRCCOPY);
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WinApi.DeleteObject(fontHandle);
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WinApi.DeleteObject(dib);
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}
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finally
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{
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WinApi.DeleteDC(memdc);
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}
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}
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finally
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{
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g.ReleaseHdc(hdc);
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}
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return;
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}
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#endif
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PaintTabGroupBackground(g, colorTable, e.Bounds, e.GroupBounds, false);
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ElementStyle style = e.RibbonTabItemGroup.Style; //.Copy();
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Color styleTextColor = style.TextColor;
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Color styleTextShadowColor = style.TextShadowColor;
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Point styleTextShadowOffset = style.TextShadowOffset;
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style.FreezeEvents = true;
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style.TextColor = colorTable.Text;
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style.TextShadowColor = Color.Empty;
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style.TextShadowOffset = Point.Empty;
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ElementStyleDisplayInfo info = new ElementStyleDisplayInfo(style, e.Graphics, GetTextBounds(e));
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ElementStyleDisplay.PaintText(info, e.RibbonTabItemGroup.GroupTitle, e.GroupFont, false, e.RibbonTabItemGroup.Style.TextFormat | GetTextFormat());
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style.TextColor = styleTextColor;
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style.TextShadowColor = styleTextShadowColor;
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style.TextShadowOffset = styleTextShadowOffset;
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style.FreezeEvents = false;
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}
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protected virtual void PaintTabGroupBackground(Graphics g, Office2007RibbonTabGroupColorTable colorTable, Rectangle bounds, Rectangle groupBounds, bool glassEnabled)
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{
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if (colorTable == null)
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return;
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// Draw title rectangle part of the group
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Rectangle r = bounds;
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r.Height -= 2;
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// GDI+ bug
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Rectangle rFill = r;
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rFill.Width--;
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//rFill.Height--;
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// First draw background
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DisplayHelp.FillRectangle(g, rFill, colorTable.Background.Start, colorTable.Background.End, 90, new float[] { 0f, .10f, .9f }, new float[] { 0f, (glassEnabled?.4f:.70f), 1f });
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// Draw highlight
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if (!colorTable.BackgroundHighlight.IsEmpty && r.Width > 0 && r.Height > 0)
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{
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//Rectangle hr = new Rectangle(r.X, r.Bottom - 3, r.Width - 1, 3);
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//DisplayHelp.FillRectangle(g, hr, colorTable.BackgroundHighlight.Start, colorTable.BackgroundHighlight.End);
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Rectangle ellipse = new Rectangle(r.X - r.Width * 3, r.Y, r.Width * 7, (int)(r.Height * 4.5f));
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GraphicsPath path = new GraphicsPath();
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path.AddEllipse(ellipse);
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PathGradientBrush brush = new PathGradientBrush(path);
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brush.CenterColor = colorTable.BackgroundHighlight.Start;
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brush.SurroundColors = new Color[] { colorTable.BackgroundHighlight.End };
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brush.CenterPoint = new PointF(ellipse.X + ellipse.Width / 2, r.Bottom);
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Blend blend = new Blend();
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blend.Factors = new float[] { 0f, .05f, 1f };
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blend.Positions = new float[] { .0f, .8f, 1f };
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brush.Blend = blend;
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path.Dispose();
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//rFill.Height++;
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g.FillRectangle(brush, rFill);
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brush.Dispose();
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path.Dispose();
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}
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// Underline highlight
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using (Pen pen = new Pen(Color.FromArgb(64, System.Windows.Forms.ControlPaint.Dark(colorTable.BackgroundHighlight.Start))))
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g.DrawLine(pen, r.X, r.Bottom, r.Right - 1, r.Bottom);
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r = bounds;
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SmoothingMode sm = g.SmoothingMode;
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g.SmoothingMode = SmoothingMode.Default;
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Rectangle rAll = groupBounds;
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if (!colorTable.Border.IsEmpty)
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{
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//using(SolidBrush brush=new SolidBrush(colorTable.Border.Start))
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//{
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// // Draw border top
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// g.FillRectangle(brush, bounds.X, bounds.Y, bounds.Width, 4);
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//}
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// Draw border ... Left first
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DisplayHelp.FillRectangle(g, new Rectangle(rAll.X, r.Y, 1, r.Height), colorTable.Border);
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// Then right
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DisplayHelp.FillRectangle(g, new Rectangle(rAll.Right - 1, r.Y, 1, r.Height), colorTable.Border);
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// Draw borders on the bottom...
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// Left first
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DisplayHelp.FillRectangle(g, new Rectangle(rAll.X, r.Bottom - 1, 1, rAll.Height - r.Height), colorTable.Border.End, Color.Transparent, 90);
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// Then right
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DisplayHelp.FillRectangle(g, new Rectangle(rAll.Right - 1, r.Bottom - 1, 1, rAll.Height - r.Height), colorTable.Border.End, Color.Transparent, 90);
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}
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g.SmoothingMode = sm;
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}
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private Office2007RibbonTabGroupColorTable GetColors(RibbonTabItemGroup group)
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{
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Office2007RibbonTabGroupColorTable c = null;
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if(group.CustomColorName!="")
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c = m_ColorTable.RibbonTabGroupColors[group.CustomColorName];
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if(c==null)
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c = m_ColorTable.RibbonTabGroupColors[Enum.GetName(typeof(eRibbonTabGroupColor), group.Color)];
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if (c == null && m_ColorTable.RibbonTabGroupColors.Count > 0)
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c = m_ColorTable.RibbonTabGroupColors[0];
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return c;
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}
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#endregion
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#region IOffice2007Painter Members
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public Office2007ColorTable ColorTable
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{
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get { return m_ColorTable; }
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set { m_ColorTable = value; }
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}
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#endregion
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}
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}
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