public static bool DecodeColor(string data, out SolidColor color)
{
if (!string.IsNullOrEmpty(data) && !data.Equals("none", StringComparison.InvariantCultureIgnoreCase))
{
Match m = WebColorRegex.Match(data);
if (m.Success)
{
color = SolidColor.FromArgb(m.Groups[1].Value.Length > 0 ?
Convert.ToByte(m.Groups[1].Value, 16) : (byte)255,
Convert.ToByte(m.Groups[2].Value, 16),
Convert.ToByte(m.Groups[3].Value, 16),
Convert.ToByte(m.Groups[4].Value, 16));
return(true);
}
else
{
try
{
color = System.Drawing.Color.FromName(data);
return(true);
}
catch { }
}
}
color = new SolidColor();
return(false);
}
public static SolidColor FromARGBValue(long value)
{
SolidColor c = SolidColor.FromArgb((byte)((value >> 24) & 0xff),
(byte)((value >> 16) & 0xff), (byte)((value >> 8) & 0xff), (byte)((value & 0xff)));
System.Diagnostics.Debug.Assert(c.A != 0);
return(c);
}
/// <summary>
/// Create default style for grid control.
/// </summary>
/// <returns>Default style created</returns>
public static ControlAppearanceStyle CreateDefaultControlStyle()
{
return(new ControlAppearanceStyle
{
colors = new Dictionary <ControlAppearanceColors, SolidColor>
{
{ ControlAppearanceColors.LeadHeadNormal, SolidColor.Lavender },
{ ControlAppearanceColors.LeadHeadSelected, SolidColor.Lavender },
{ ControlAppearanceColors.LeadHeadIndicatorStart, SolidColor.Gainsboro },
{ ControlAppearanceColors.LeadHeadIndicatorEnd, SolidColor.Silver },
{ ControlAppearanceColors.ColHeadSplitter, SolidColor.LightSteelBlue },
{ ControlAppearanceColors.ColHeadNormalStart, SolidColor.White },
{ ControlAppearanceColors.ColHeadNormalEnd, SolidColor.Lavender },
{ ControlAppearanceColors.ColHeadHoverStart, SolidColor.LightGoldenrodYellow },
{ ControlAppearanceColors.ColHeadHoverEnd, SolidColor.Goldenrod },
{ ControlAppearanceColors.ColHeadSelectedStart, SolidColor.LightGoldenrodYellow },
{ ControlAppearanceColors.ColHeadSelectedEnd, SolidColor.Goldenrod },
{ ControlAppearanceColors.ColHeadFullSelectedStart, SolidColor.WhiteSmoke },
{ ControlAppearanceColors.ColHeadFullSelectedEnd, SolidColor.LemonChiffon },
{ ControlAppearanceColors.ColHeadSelectedNotFocusedStart, SolidColor.LightGoldenrodYellow },
{ ControlAppearanceColors.ColHeadSelectedNotFocusedEnd, SolidColor.Goldenrod },
{ ControlAppearanceColors.ColHeadFullSelectedNotFocusedStart, SolidColor.WhiteSmoke },
{ ControlAppearanceColors.ColHeadFullSelectedNotFocusedEnd, SolidColor.LemonChiffon },
{ ControlAppearanceColors.ColHeadText, SolidColor.DarkBlue },
{ ControlAppearanceColors.RowHeadSplitter, SolidColor.LightSteelBlue },
{ ControlAppearanceColors.RowHeadNormal, SolidColor.AliceBlue },
{ ControlAppearanceColors.RowHeadHover, SolidColor.LightSteelBlue },
{ ControlAppearanceColors.RowHeadSelected, SolidColor.PaleGoldenrod },
{ ControlAppearanceColors.RowHeadFullSelected, SolidColor.LemonChiffon },
{ ControlAppearanceColors.RowHeadSelectedNotFocused, SolidColor.PaleGoldenrod },
{ ControlAppearanceColors.RowHeadFullSelectedNotFocused, SolidColor.LemonChiffon },
{ ControlAppearanceColors.RowHeadText, SolidColor.DarkBlue },
{ ControlAppearanceColors.GridText, SolidColor.Black },
{ ControlAppearanceColors.GridBackground, SolidColor.White },
{ ControlAppearanceColors.GridLine, SolidColor.FromArgb(255, 208, 215, 229) },
{ ControlAppearanceColors.SelectionBorder, ColorUtility.FromAlphaColor(180, StaticResources.SystemColor_Highlight) },
{ ControlAppearanceColors.SelectionFill, ColorUtility.FromAlphaColor(50, StaticResources.SystemColor_Highlight) },
{ ControlAppearanceColors.SelectionNotFocusedBorder, ColorUtility.FromAlphaColor(180, StaticResources.SystemColor_ControlDark) },
{ ControlAppearanceColors.SelectionNotFocusedFill, ColorUtility.FromAlphaColor(50, StaticResources.SystemColor_ControlDark) },
{ ControlAppearanceColors.OutlineButtonBorder, SolidColor.Black },
{ ControlAppearanceColors.OutlinePanelBackground, StaticResources.SystemColor_Control },
{ ControlAppearanceColors.OutlinePanelBorder, SolidColor.Silver },
{ ControlAppearanceColors.OutlineButtonText, StaticResources.SystemColor_WindowText },
{ ControlAppearanceColors.SheetTabText, StaticResources.SystemColor_WindowText },
{ ControlAppearanceColors.SheetTabBorder, StaticResources.SystemColor_Highlight },
{ ControlAppearanceColors.SheetTabBackground, SolidColor.White },
{ ControlAppearanceColors.SheetTabSelected, StaticResources.SystemColor_Window },
},
SelectionBorderWidth = 3,
});
}
public static bool DecodeColor(string data, out SolidColor color)
{
if (!string.IsNullOrEmpty(data) && !data.Equals("none", StringComparison.InvariantCultureIgnoreCase))
{
Match m = WebColorRegex.Match(data);
if (m.Success)
{
color = SolidColor.FromArgb(m.Groups[1].Value.Length > 0 ?
Convert.ToByte(m.Groups[1].Value, 16) : (byte)255,
Convert.ToByte(m.Groups[2].Value, 16),
Convert.ToByte(m.Groups[3].Value, 16),
Convert.ToByte(m.Groups[4].Value, 16));
return(true);
}
#if WINFORM || WPF || ANDROID
else
{
try
{
#if WINFORM
color = System.Drawing.Color.FromName(data);
#elif WPF
color = (System.Windows.Media.Color)System.Windows.Media.ColorConverter.ConvertFromString(data);
#elif ANDROID
var c = System.Drawing.Color.FromName(data);
color = new SolidColor(c.R, c.G, c.B);
#endif // WPF
return(true);
}
catch { }
}
#endif // WINFORM || WPF
}
color = new SolidColor();
return(false);
}
/// <summary>
/// Source: http://ciintelligence.blogspot.jp/2012/02/converting-excel-theme-color-and-tint.html
/// </summary>
/// <param name="hslColor"></param>
/// <returns></returns>
public static SolidColor HSLToRgb(HSLColor hslColor)
{
var rgbColor = new SolidColor();
if (hslColor.S == 0)
{
rgbColor = SolidColor.FromArgb((byte)(hslColor.A * 255f), (byte)(hslColor.L * 255f),
(byte)(hslColor.L * 255f), (byte)(hslColor.L * 255f));
return(rgbColor);
}
float t1;
if (hslColor.L < 0.5f)
{
t1 = (float)(hslColor.L * (1.0f + hslColor.S));
}
else
{
t1 = (float)(hslColor.L + hslColor.S - (hslColor.L * hslColor.S));
}
float t2 = 2.0f * hslColor.L - t1;
float h = hslColor.H / 360f;
float tR = h + (1.0f / 3.0f);
float r = SetColor(t1, t2, tR);
float tG = h;
float g = SetColor(t1, t2, tG);
float tB = h - (1.0f / 3.0f);
float b = SetColor(t1, t2, tB);
rgbColor = SolidColor.FromArgb((int)(hslColor.A * 255), (int)(r * 255), (int)(g * 255), (int)(b * 255));
return(rgbColor);
}