/// <summary>
/// Gets a specific color related to the current workspace.
/// </summary>
/// <param name="what">Type of the color to be returned.</param>
/// <returns>The desired color.</returns>
public Color GetWorkspaceColor(Colors what)
{
EnsureWorkspaceHasColor( ); // Assing the color, if needeed
// Read the base color (or take the default for Default workspace)
Color colorBase = _workspace != null?Color.FromArgb(_workspace.GetIntProp(((WorkspaceManager)Core.WorkspaceManager).Props.WorkspaceColor)) : SystemColors.Control;
if (what == Colors.Base)
{
return(colorBase); // The base workspace color, as is
}
// Get the HLS components
byte bH, bL, bS;
ColorManagement.RGBtoHLS(ColorManagement.RGB(colorBase), out bH, out bL, out bS);
double H = bH;
double L = bL;
double S = bS;
// Produce the color appropriate
switch (what)
{
case Colors.Light:
L += 27.0 * 1.5;
S -= 43.0 * 1.5;
break;
case Colors.Dark:
L -= 16.0 * 2.0;
S -= 8.0 * 2.0;
break;
case Colors.Shadow:
L -= 8.0 * 2.0;
S -= 75.0 * 2.0;
break;
default:
throw new InvalidOperationException("Unsupported workspace color type.");
}
// Constraint
bH = (byte)(H >= 0 ? (H <= ColorManagement.MaxHLS - 1 ? H : ColorManagement.MaxHLS - 1) : 0);
bL = (byte)(L >= 0 ? (L <= ColorManagement.MaxHLS - 1 ? L : ColorManagement.MaxHLS - 1) : 0);
bS = (byte)(S >= 0 ? (S <= ColorManagement.MaxHLS - 1 ? S : ColorManagement.MaxHLS - 1) : 0);
// Produce the color
return(ColorManagement.HLStoRGB(bH, bL, bS));
}
/// <summary>
/// Checks whether the given workspace has a color assigned to it, and, if no, generates a random one.
/// For the <c>Null</c> Default workspace, does nothing.
/// </summary>
public void EnsureWorkspaceHasColor( )
{
if (_workspace == null)
{
return; // No checks for the default workspace
}
WorkspaceManager wm = (WorkspaceManager)Core.WorkspaceManager; // Provides IDs of workspace resource properties
if (_workspace.HasProp(wm.Props.WorkspaceColor))
{
return; // Assigned already, do nothing
}
// No, the workspace does not have a color yet
// Choose one based on its title
byte hue = (byte)new Random(_workspace.DisplayName.GetHashCode()).Next(ColorManagement.MaxHLS);
Color color = ColorManagement.HLStoRGB(hue, DefaultWorkspaceLuminocity, DefaultWorkspaceSaturation);
// Apply the property synchronously so that it would be valid as we exit the method
new ResourceProxy(_workspace).SetProp(wm.Props.WorkspaceColor, color.ToArgb());
}