private static void InitSystemColorTable()
{
_systemColors.Add("3DDKSHADOW", GcSystemColors.GetSystemColor(GcSystemColorIndex.ThreeDDarkShadow));
_systemColors.Add("3DLIGHT", GcSystemColors.GetSystemColor(GcSystemColorIndex.ThreeDLight));
_systemColors.Add("ACTIVEBORDER", GcSystemColors.GetSystemColor(GcSystemColorIndex.ActiveBorder));
_systemColors.Add("ACTIVECAPTION", GcSystemColors.GetSystemColor(GcSystemColorIndex.ActiveCaption));
_systemColors.Add("APPWORKSPACE", GcSystemColors.GetSystemColor(GcSystemColorIndex.AppWorkspace));
_systemColors.Add("BACKGROUND", GcSystemColors.GetSystemColor(GcSystemColorIndex.Desktop));
_systemColors.Add("BTNFACE", GcSystemColors.GetSystemColor(GcSystemColorIndex.ButtonFace));
_systemColors.Add("BTNHIGHLIGHT", GcSystemColors.GetSystemColor(GcSystemColorIndex.ButtonHightlight));
_systemColors.Add("BTNSHADOW", GcSystemColors.GetSystemColor(GcSystemColorIndex.ButtonShadow));
_systemColors.Add("BTNTEXT", GcSystemColors.GetSystemColor(GcSystemColorIndex.ButtonText));
_systemColors.Add("CAPTIONTEXT", GcSystemColors.GetSystemColor(GcSystemColorIndex.ActiveCaptionText));
_systemColors.Add("GRAYTEXT", GcSystemColors.GetSystemColor(GcSystemColorIndex.GrayText));
_systemColors.Add("HIGHLIGHT", GcSystemColors.GetSystemColor(GcSystemColorIndex.Highlight));
_systemColors.Add("HIGHLIGHTTEXT", GcSystemColors.GetSystemColor(GcSystemColorIndex.HighlightText));
_systemColors.Add("INACTIVEBORDER", GcSystemColors.GetSystemColor(GcSystemColorIndex.InactiveBorder));
_systemColors.Add("INACTIVECAPTION", GcSystemColors.GetSystemColor(GcSystemColorIndex.InactiveCaption));
_systemColors.Add("INACTIVECAPTIONTEXT", GcSystemColors.GetSystemColor(GcSystemColorIndex.InactiveCaptionText));
_systemColors.Add("INFOBK", GcSystemColors.GetSystemColor(GcSystemColorIndex.Info));
_systemColors.Add("INFOTEXT", GcSystemColors.GetSystemColor(GcSystemColorIndex.InfoText));
_systemColors.Add("MENU", GcSystemColors.GetSystemColor(GcSystemColorIndex.Menu));
_systemColors.Add("GRADIENTACTIVECAPTION", GcSystemColors.GetSystemColor(GcSystemColorIndex.GradientActiveCaption));
_systemColors.Add("HOTLIGHT", GcSystemColors.GetSystemColor(GcSystemColorIndex.HotTrack));
_systemColors.Add("GRADIENTINACTIVECAPTION", GcSystemColors.GetSystemColor(GcSystemColorIndex.GradientInactiveCaption));
_systemColors.Add("MENUBAR", GcSystemColors.GetSystemColor(GcSystemColorIndex.MenuBar));
_systemColors.Add("MENUHIGHLIGHT", GcSystemColors.GetSystemColor(GcSystemColorIndex.MenuHighlight));
_systemColors.Add("MENUTEXT", GcSystemColors.GetSystemColor(GcSystemColorIndex.MenuText));
_systemColors.Add("SCROLLBAR", GcSystemColors.GetSystemColor(GcSystemColorIndex.ScrollBar));
_systemColors.Add("WINDOW", GcSystemColors.GetSystemColor(GcSystemColorIndex.Window));
_systemColors.Add("WINDOWFRAME", GcSystemColors.GetSystemColor(GcSystemColorIndex.WindowFrame));
_systemColors.Add("WINDOWTEXT", GcSystemColors.GetSystemColor(GcSystemColorIndex.WindowText));
}
/// <summary>
/// Gets the closest palette color of specified color.
/// </summary>
/// <param name="color">An <see cref="T:Dt.Xls.IExcelColor" /> instance used to locate the palette color.</param>
/// <returns>The closest palette color</returns>
public ExcelPaletteColor GetPaletteColor(IExcelColor color)
{
if (color.ColorType == ExcelColorType.Indexed)
{
return((ExcelPaletteColor)color.Value);
}
if (color.ColorType != ExcelColorType.Theme)
{
return(this.GetCloestColorIndex(ColorExtension.FromArgb(color.Value)));
}
GcColor systemColor = new GcColor();
if (this.Theme == null)
{
int num = (int)color.Value;
if ((num < 0) || (num > 11))
{
return(ExcelPaletteColor.SystemWindowBackgroundColor);
}
switch (color.Value)
{
case 0:
systemColor = GcSystemColors.GetSystemColor(GcSystemColorIndex.Window);
break;
case 1:
systemColor = GcSystemColors.GetSystemColor(GcSystemColorIndex.WindowText);
break;
case 2:
systemColor = ColorExtension.FromArgb(0xeeece1);
break;
case 3:
systemColor = ColorExtension.FromArgb(0x1f497d);
break;
case 4:
systemColor = ColorExtension.FromArgb(0x4f81bd);
break;
case 5:
systemColor = ColorExtension.FromArgb(0xc0504d);
break;
case 6:
systemColor = ColorExtension.FromArgb(0x9bbb59);
break;
case 7:
systemColor = ColorExtension.FromArgb(0x8064a2);
break;
case 8:
systemColor = ColorExtension.FromArgb(0x4bacc6);
break;
case 9:
systemColor = ColorExtension.FromArgb(0xf79646);
break;
case 10:
systemColor = ColorExtension.FromArgb(0xff);
break;
case 11:
systemColor = ColorExtension.FromArgb(0x800080);
break;
}
}
else
{
int num2 = (int)color.Value;
if ((num2 < 0) || (num2 > 11))
{
return(ExcelPaletteColor.SystemWindowBackgroundColor);
}
systemColor = this.GetThemeColor((ColorSchemeIndex)num2);
}
return(this.GetCloestColorIndex(systemColor));
}