internal static TExcelColor Copy(TExcelColor aColor, IFlexCelPalette Source, IFlexCelPalette Dest)
{
if (aColor.ColorType != TColorType.Indexed)
{
return(aColor); //Themed colors are not converted when copying. Color Acc1 in source will be Color Acc2 in Dest, no matter if Acc and Dest are different.
}
if (Source.GetColorPalette(aColor.Index).ToArgb() == Dest.GetColorPalette(aColor.Index).ToArgb())
{
return(aColor); //Most common case, palettes are the same.
}
return(Source.GetColorPalette(aColor.Index));
}
internal int Index; //stores at 1 the first entry, that is biff8 entry 8.
internal bool ColorIsValid(TExcelColor aColor, IFlexCelPalette xls)
{
int RealIndex = Index < 1 ? Index + 8 : Index;
if (RealIndex <= 0 || RealIndex > 56)
{
return(false);
}
if (LastColorStored != aColor)
{
return(false);
}
Color c = xls.GetColorPalette(RealIndex);
//If the color is Theme, it could have changed if the theme palette changed.
if (aColor.ColorType == TColorType.Theme)
{
if (xls.GetColorTheme(aColor.Theme) != LastColorInTheme)
{
return(false);
}
}
return(c.ToArgb() == LastColorInPalette);
}
/// <summary>
/// Returns the value of this class as a system color.
/// </summary>
/// <param name="xls">Excel file containing the themes and palettes for the color indexes.</param>
/// <param name="automaticColor">Color to be returned if this structure has an automatic color.</param>
/// <returns></returns>
public Color ToColor(IFlexCelPalette xls, Color automaticColor)
{
if (automaticColor != ColorUtil.Empty && IsAutomatic)
{
return(ApplyTint(automaticColor));
}
if (xls == null)
{
xls = TDummyFlexCelPalette.Instance;
}
Color Result = automaticColor;
switch (ColorType)
{
case TColorType.RGB:
unchecked
{
Result = ColorUtil.FromArgb((int)((uint)(0xFF000000 | FRGB)));
}
break;
case TColorType.Automatic:
Result = GetAutomaticRGB();
break;
case TColorType.Theme:
Result = xls.GetColorTheme(FTheme).ToColor(xls);
break;
case TColorType.Indexed:
Result = xls.GetColorPalette(Index);
break;
}
return(ApplyTint(Result));
}