protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (!m_Applicable)
{
e.Graphics.Clear(this.BackColor);
}
else if (!m_bolDisplayCurrentColour)
{
// draw standard selection marker (in design mode also)
if (g_Bitmap16 == null)
{
g_Bitmap16 = ColourPanel.GenerateMoreColoursBitmap(ColourPanel.GetStandard17Colours());
}
e.Graphics.DrawImage(g_Bitmap16, new Rectangle(0, 0, Width, Height));
}
else if (this.DesignMode)
{
e.Graphics.Clear(Color.LightBlue);
}
else
{
if (m_Current.IsEmpty)
{
e.Graphics.Clear(Color.White);
Image image = BlackWhite ? Resources.AM.BlackWhiteText : Resources.AM.RedCross;
if (image != null && m_Applicable)
{
e.Graphics.DrawImageUnscaled(image, (Width - image.Width) / 2, (Height - image.Height) / 2);
image.Dispose();
}
}
else if (m_Current.A < 255)
{
e.Graphics.Clear(this.BackColor);
using (SolidBrush br = new SolidBrush(m_Current))
{
e.Graphics.FillRectangle(br, 0, 0, Width, Height);
}
}
else
{
e.Graphics.Clear(m_Current);
}
}
if (!m_Applicable || !Enabled)
{
using (Brush br = new System.Drawing.Drawing2D.HatchBrush(System.Drawing.Drawing2D.HatchStyle.DiagonalCross, Color.Gray))
e.Graphics.FillRectangle(br, new Rectangle(0, 0, Width, Height));
}
if (Focused)
{
e.Graphics.DrawRectangle(GUIUtilities.FocusPen, 3, 3, Width - 6, Height - 6);
}
}
internal static string GetParameterValueName(Parameters parameter, int value)
{
switch (parameter)
{
case Parameters.FillColour:
case Parameters.LineColour:
case Parameters.TextColour:
int index = ColourPanel.GetStandard17Colours().IndexOf(Color.FromArgb(value));
if (index >= 0)
return Strings.Item("Colour_" + index);
return Strings.Item("Custom_Colour");
case Parameters.LineWidth:
float points = value / 100f / Geometry.POINTUNIT;
return points.ToString("0.#") + " " + Strings.Item("pt");
case Parameters.LinePattern:
return Strings.Item("Line_" + (DashStyle)value);
case Parameters.FillPattern:
return Strings.Item("Hatch_" + (Shape.FillStyleC.Patterns)value);
case Parameters.TextAlignment:
switch ((StringAlignment)value)
{
case StringAlignment.Near:
return Strings.Item("Align_Left");
case StringAlignment.Center:
return Strings.Item("Align_Centre");
case StringAlignment.Far:
return Strings.Item("Align_Right");
default:
return "?";
}
case Parameters.TextVerticalAlignment:
switch ((StringAlignment)value)
{
case StringAlignment.Near:
return Strings.Item("Align_Top");
case StringAlignment.Center:
return Strings.Item("Align_Middle");
case StringAlignment.Far:
return Strings.Item("Align_Bottom");
default:
return "?";
}
case Parameters.ArrowheadEndSize:
case Parameters.ArrowheadStartSize:
return (value / 1000).ToString("%");
case Parameters.ArrowheadEndType:
case Parameters.ArrowheadStartType:
return Strings.Item("Arrowhead_" + (Lined.ArrowheadC.Styles)value);
default:
Debug.Fail("Unexpected eParameter in GetParameterValueName:" + parameter);
return value.ToString();
}
}
internal static int[] GetStandardParameterValues(Parameters parameter)
{
// gets the values for the parameters which are offered to the user. Mostly only the styles are implemented
List<int> list = new List<int>();
switch (parameter)
{
case Parameters.FillColour:
case Parameters.LineColour:
case Parameters.TextColour:
// values are the same for all of these
list.AddRange(from col in ColourPanel.GetStandard17Colours() select col.ToArgb());
break;
case Parameters.LineWidth:
return StandardLineWidths;
case Parameters.LinePattern:
list.AddRange(StandardLinePatterns.Cast<int>()); //.Select(Function(eStyle) CType(eStyle, Integer)))
break;
case Parameters.FillPattern:
list.AddRange(StandardFillPatterns.Cast<int>()); //.Select(Function(ePattern) CType(ePattern, Integer)))
break;
case Parameters.ArrowheadEndType:
case Parameters.ArrowheadStartType:
foreach (Lined.ArrowheadC.Styles eType in Enum.GetValues(typeof(Lined.ArrowheadC.Styles)))
{
list.Add((int)eType);
}
break;
case Parameters.ArrowheadEndSize:
case Parameters.ArrowheadStartSize:
list.AddRange(new[] { 650, 1000, 1500, 2500 });
break;
default:
throw new ArgumentException();
// it is not intended to implement this for the tools etc (when doing configuration some of these are not really treated as parameters anyway)
}
return list.ToArray();
}