private static void InitializeHtmlSysColorTable()
{
s_htmlSysColorTable = new Hashtable(26);
s_htmlSysColorTable["activeborder"] = ColorUtil.FromKnownColor(KnownColor.ActiveBorder);
s_htmlSysColorTable["activecaption"] = ColorUtil.FromKnownColor(KnownColor.ActiveCaption);
s_htmlSysColorTable["appworkspace"] = ColorUtil.FromKnownColor(KnownColor.AppWorkspace);
s_htmlSysColorTable["background"] = ColorUtil.FromKnownColor(KnownColor.Desktop);
s_htmlSysColorTable["buttonface"] = ColorUtil.FromKnownColor(KnownColor.Control);
s_htmlSysColorTable["buttonhighlight"] = ColorUtil.FromKnownColor(KnownColor.ControlLightLight);
s_htmlSysColorTable["buttonshadow"] = ColorUtil.FromKnownColor(KnownColor.ControlDark);
s_htmlSysColorTable["buttontext"] = ColorUtil.FromKnownColor(KnownColor.ControlText);
s_htmlSysColorTable["captiontext"] = ColorUtil.FromKnownColor(KnownColor.ActiveCaptionText);
s_htmlSysColorTable["graytext"] = ColorUtil.FromKnownColor(KnownColor.GrayText);
s_htmlSysColorTable["highlight"] = ColorUtil.FromKnownColor(KnownColor.Highlight);
s_htmlSysColorTable["highlighttext"] = ColorUtil.FromKnownColor(KnownColor.HighlightText);
s_htmlSysColorTable["inactiveborder"] = ColorUtil.FromKnownColor(KnownColor.InactiveBorder);
s_htmlSysColorTable["inactivecaption"] = ColorUtil.FromKnownColor(KnownColor.InactiveCaption);
s_htmlSysColorTable["inactivecaptiontext"] = ColorUtil.FromKnownColor(KnownColor.InactiveCaptionText);
s_htmlSysColorTable["infobackground"] = ColorUtil.FromKnownColor(KnownColor.Info);
s_htmlSysColorTable["infotext"] = ColorUtil.FromKnownColor(KnownColor.InfoText);
s_htmlSysColorTable["menu"] = ColorUtil.FromKnownColor(KnownColor.Menu);
s_htmlSysColorTable["menutext"] = ColorUtil.FromKnownColor(KnownColor.MenuText);
s_htmlSysColorTable["scrollbar"] = ColorUtil.FromKnownColor(KnownColor.ScrollBar);
s_htmlSysColorTable["threeddarkshadow"] = ColorUtil.FromKnownColor(KnownColor.ControlDarkDark);
s_htmlSysColorTable["threedface"] = ColorUtil.FromKnownColor(KnownColor.Control);
s_htmlSysColorTable["threedhighlight"] = ColorUtil.FromKnownColor(KnownColor.ControlLight);
s_htmlSysColorTable["threedlightshadow"] = ColorUtil.FromKnownColor(KnownColor.ControlLightLight);
s_htmlSysColorTable["window"] = ColorUtil.FromKnownColor(KnownColor.Window);
s_htmlSysColorTable["windowframe"] = ColorUtil.FromKnownColor(KnownColor.WindowFrame);
s_htmlSysColorTable["windowtext"] = ColorUtil.FromKnownColor(KnownColor.WindowText);
}
public static Color ArgbToKnownColor(int targetARGB)
{
EnsureColorTable();
for (int index = 0; index < s_colorTable.Length; ++index)
{
int argb = s_colorTable[index];
if (argb == targetARGB)
{
Color color = ColorUtil.FromKnownColor((KnownColor)index);
if (!ColorUtil.IsSystemColor(color))
{
return(color);
}
}
}
return(Color.FromArgb(targetARGB));
}
/// <summary>
/// Translates an Ole color value to a GDI+ <see cref='Color'/>.
/// </summary>
public static Color FromOle(int oleColor)
{
// WARNING!!! WARNING!!! WARNING!!! WARNING!!!
// WARNING!!! WARNING!!! WARNING!!! WARNING!!!
// We must never have another method called ToOle() with a different signature.
// This is so that we can push into the runtime a custom marshaller for OLE_COLOR to Color.
switch (oleColor)
{
case unchecked ((int)0x8000000A):
return(ColorUtil.FromKnownColor(KnownColor.ActiveBorder));
case unchecked ((int)0x80000002):
return(ColorUtil.FromKnownColor(KnownColor.ActiveCaption));
case unchecked ((int)0x80000009):
return(ColorUtil.FromKnownColor(KnownColor.ActiveCaptionText));
case unchecked ((int)0x8000000C):
return(ColorUtil.FromKnownColor(KnownColor.AppWorkspace));
case unchecked ((int)0x8000000F):
return(ColorUtil.FromKnownColor(KnownColor.Control));
case unchecked ((int)0x80000010):
return(ColorUtil.FromKnownColor(KnownColor.ControlDark));
case unchecked ((int)0x80000015):
return(ColorUtil.FromKnownColor(KnownColor.ControlDarkDark));
case unchecked ((int)0x80000016):
return(ColorUtil.FromKnownColor(KnownColor.ControlLight));
case unchecked ((int)0x80000014):
return(ColorUtil.FromKnownColor(KnownColor.ControlLightLight));
case unchecked ((int)0x80000012):
return(ColorUtil.FromKnownColor(KnownColor.ControlText));
case unchecked ((int)0x80000001):
return(ColorUtil.FromKnownColor(KnownColor.Desktop));
case unchecked ((int)0x8000001B):
return(ColorUtil.FromKnownColor(KnownColor.GradientActiveCaption));
case unchecked ((int)0x8000001C):
return(ColorUtil.FromKnownColor(KnownColor.GradientInactiveCaption));
case unchecked ((int)0x80000011):
return(ColorUtil.FromKnownColor(KnownColor.GrayText));
case unchecked ((int)0x8000000D):
return(ColorUtil.FromKnownColor(KnownColor.Highlight));
case unchecked ((int)0x8000000E):
return(ColorUtil.FromKnownColor(KnownColor.HighlightText));
case unchecked ((int)0x8000001A):
return(ColorUtil.FromKnownColor(KnownColor.HotTrack));
case unchecked ((int)0x8000000B):
return(ColorUtil.FromKnownColor(KnownColor.InactiveBorder));
case unchecked ((int)0x80000003):
return(ColorUtil.FromKnownColor(KnownColor.InactiveCaption));
case unchecked ((int)0x80000013):
return(ColorUtil.FromKnownColor(KnownColor.InactiveCaptionText));
case unchecked ((int)0x80000018):
return(ColorUtil.FromKnownColor(KnownColor.Info));
case unchecked ((int)0x80000017):
return(ColorUtil.FromKnownColor(KnownColor.InfoText));
case unchecked ((int)0x80000004):
return(ColorUtil.FromKnownColor(KnownColor.Menu));
case unchecked ((int)0x8000001E):
return(ColorUtil.FromKnownColor(KnownColor.MenuBar));
case unchecked ((int)0x8000001D):
return(ColorUtil.FromKnownColor(KnownColor.MenuHighlight));
case unchecked ((int)0x80000007):
return(ColorUtil.FromKnownColor(KnownColor.MenuText));
case unchecked ((int)0x80000000):
return(ColorUtil.FromKnownColor(KnownColor.ScrollBar));
case unchecked ((int)0x80000005):
return(ColorUtil.FromKnownColor(KnownColor.Window));
case unchecked ((int)0x80000006):
return(ColorUtil.FromKnownColor(KnownColor.WindowFrame));
case unchecked ((int)0x80000008):
return(ColorUtil.FromKnownColor(KnownColor.WindowText));
}
Color color = Color.FromArgb((byte)((oleColor >> Win32RedShift) & 0xFF),
(byte)((oleColor >> Win32GreenShift) & 0xFF),
(byte)((oleColor >> Win32BlueShift) & 0xFF));
return(KnownColorTable.ArgbToKnownColor(color.ToArgb()));
}
