public override bool Equals(object obj)
{
if (!(obj is LinearGradientColor))
{
return(false);
}
LinearGradientColor lgc = (LinearGradientColor)obj;
// always return false when compare to an invalid gradient color
if (lgc.colors.Length != lgc.positions.Length)
{
return(false);
}
if (colors.Length != lgc.colors.Length ||
positions.Length != lgc.positions.Length)
{
return(false);
}
for (int i = 0; i < colors.Length; i++)
{
if (colors[i] != lgc.colors[i])
{
return(false);
}
if (positions[i] != lgc.positions[i])
{
return(false);
}
}
return(true);
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics g = e.Graphics;
Rectangle rect = new Rectangle(0, 0, Size.Width - 1, Size.Height - 1);
// background
Rectangle bgRect = rect;
bgRect.Offset(1, 1);
//g.FillRectangle(isPressed ? Brushes.Black : Brushes.White, bgRect);
// outter frame
g.DrawLine(SystemPens.ButtonShadow, rect.X + 1, rect.Y, rect.Right - 1, rect.Y);
g.DrawLine(SystemPens.ButtonShadow, rect.X + 1, rect.Bottom, rect.Right - 1, rect.Bottom);
g.DrawLine(SystemPens.ButtonShadow, rect.X, rect.Y + 1, rect.X, rect.Bottom - 1);
g.DrawLine(SystemPens.ButtonShadow, rect.Right, rect.Y + 1, rect.Right, rect.Bottom - 1);
// content
Rectangle bodyRect = rect;
bodyRect.Inflate(-1, -1);
bodyRect.Offset(1, 1);
//g.FillRectangle(Brushes.Gainsboro, bodyRect);
// shadow
if (showShadow)
{
g.DrawLines(isPressed ? SystemPens.ControlLightLight
: SystemPens.ControlDarkDark, new Point[] {
new Point(rect.Left + 1, rect.Bottom - 1),
new Point(rect.Right - 1, rect.Bottom - 1),
new Point(rect.Right - 1, rect.Top + 1),
});
}
// draw allow
if (isPressed)
{
rect.Offset(1, 1);
}
try
{
g.FillPolygon(Brushes.Black, new Point[] {
new Point(rect.Right - 13, rect.Top + 8),
new Point(rect.Right - 4, rect.Top + 8),
new Point(rect.Right - 9, rect.Top + 17),
});
}
catch { }
g.DrawLine(SystemPens.ControlDarkDark, rect.Right - 16, rect.Top + 3,
rect.Right - 16, rect.Bottom - 4);
g.DrawLine(SystemPens.ControlLightLight, rect.Right - 15, rect.Top + 4,
rect.Right - 15, rect.Bottom - 4);
// draw color
Rectangle colorRect = new Rectangle(4, 4, 14, 14);
if (isPressed)
{
colorRect.Offset(1, 1);
}
if (currentColor == null || currentColor.IsEmpty)
{
g.DrawRectangle(Pens.Black, colorRect);
g.DrawLine(Pens.Black, colorRect.Left,
colorRect.Bottom, colorRect.Right, colorRect.Top);
}
else if (currentColor is SolidColor)
{
//g.FillRectangle(ResourcePoolManager.Instance.GetBrush(((SolidColor)currentColor).Color), colorRect);
Color c = currentColor.CompliantSolidColor;
if (c.A < 255)
{
GraphicsToolkit.DrawTransparentBlock(g, colorRect);
}
using (SolidBrush b = new SolidBrush(currentColor.CompliantSolidColor))
{
g.FillRectangle(b, colorRect);
}
}
else if (currentColor is LinearGradientColor)
{
LinearGradientColor lgc = (LinearGradientColor)currentColor;
using (LinearGradientBrush b = lgc.CreateGradientBrush(colorRect))
{
g.PixelOffsetMode = PixelOffsetMode.Half;
g.FillRectangle(b, colorRect);
g.PixelOffsetMode = PixelOffsetMode.Default;
}
}
else if (currentColor is HatchPatternColor)
{
using (HatchBrush b = ((HatchPatternColor)currentColor).CreateHatchBrush())
{
g.FillRectangle(b, colorRect);
}
}
}
