protected Color GetButtonColor(LcarsColorFunction colorFunction)
{
Color color;
switch (AlertState)
{
case LcarsAlert.Red:
color = Color.Red;
break;
case LcarsAlert.Yellow:
color = Color.Yellow;
break;
case LcarsAlert.White:
color = Color.White;
break;
case LcarsAlert.Custom:
color = CustomAlertColor;
break;
default:
color = ColorManager.GetColor(colorFunction);
break;
}
// turn color white when pressed, unless already white, then turn it red
if (isPressed)
{
color = ColorsAreClose(Color.White, color) ? Color.Red : Color.White;
}
return(color);
}
public Color GetFunctionNativeColor(LcarsColorFunction colorFunction)
{
if (!Enum.IsDefined(typeof(LcarsColorFunction), colorFunction))
{
throw new Exception("Invalid LcarsColorStyle specified");
}
return(ColorTranslator.FromHtml(colorSet[colorFunction]));
}
protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
Color barColor;
Color buttonColor;
switch (alertState)
{
case LcarsAlert.Normal:
barColor = ColorManager.GetColor(mainColor);
break;
case LcarsAlert.Red:
barColor = Color.Red;
break;
case LcarsAlert.White:
barColor = Color.White;
break;
case LcarsAlert.Yellow:
barColor = Color.Yellow;
break;
case LcarsAlert.Custom:
barColor = customAlertColor;
break;
default:
barColor = Color.Red;
break;
}
if (!isLit)
{
barColor = Color.FromArgb(255, barColor.R / 2, barColor.G / 2, barColor.B / 2);
}
Rectangle btnRect = ButtonBounds;
if (alertState == LcarsAlert.Normal)
{
if (mouseDown & btnRect.Contains(PointToClient(MousePosition)))
{
buttonColor = Color.Red;
}
else
{
buttonColor = ColorManager.GetColor(this.buttonColor);
}
}
else
{
buttonColor = barColor;
}
//Setup brushes
SolidBrush barBrush = new SolidBrush(barColor);
SolidBrush buttonBrush = new SolidBrush(buttonColor);
g.SmoothingMode = SmoothingMode.AntiAlias;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
//Draw top/bottom ellipse sections if required
if (e.ClipRectangle.Height != Height - Width / 2)
{
g.FillPie(barBrush, 0, 0, Width, Width / 2, 180, 180);
g.FillPie(barBrush, 0, Height - Width / 2, Width, Width / 2, 0, 180);
}
//Draw main rectangles
int railStart = Width / 4;
g.FillRectangle(barBrush, 0, railStart, Width, btnRect.Top - railStart - padding);
g.FillRectangle(barBrush, 0, btnRect.Bottom + padding, Width, Height - (btnRect.Bottom + padding) - Width / 4);
//Draw button
g.FillRectangle(buttonBrush, btnRect);
//scale font down to fit
float fontSize = 16;
Font f;
SizeF textSize;
do
{
f = FontProvider.Lcars(fontSize);
textSize = CreateGraphics().MeasureString(val.ToString(), f);
fontSize -= .5f;
}while (textSize.Width > btnRect.Width);
var placement = new Rectangle(
(int)(btnRect.X + (btnRect.Width - textSize.Width) / 2),
(int)(btnRect.Y + (btnRect.Height - textSize.Height) / 2),
(int)Math.Ceiling(textSize.Width),
(int)Math.Ceiling(textSize.Height));
g.DrawString(val.ToString(), f, Brushes.Black, placement);
}
public System.Drawing.Color GetColor(LcarsColorFunction colorFunction)
{
return(currentColorSet.GetFunctionNativeColor(colorFunction));
}
public void SetFunctionColor(LcarsColorFunction colorFunction, string color)
{
// warning: directly calling an LcarsColorManager.CurrentColorSet.SetFunctionColor(.....) will not trigger redraw
colorSet[colorFunction] = color;
}
