public override Rectangle GetTickLayoutRectangle(WinampTrackBar.WinampTrackBarTickPosition position)
{
int tickFieldSize = GetTickFieldSize();
int offset = GetOffset();
int tickFieldLength = _trackBar.Width - 4;
int lengthOffset = 0;
if (_trackBar.IsSliderVisible)
{
tickFieldLength -= _trackBar.SliderButtonSize.Width;
lengthOffset = _trackBar.SliderButtonSize.Width / 2;
}
if (_trackBar.ScaleType == WinampTrackBar.WinampTrackBarScaleType.Ticks)
{
switch (position)
{
case WinampTrackBar.WinampTrackBarTickPosition.LeftOrTop:
return(new Rectangle(lengthOffset + 2, offset, tickFieldLength, tickFieldSize));
case WinampTrackBar.WinampTrackBarTickPosition.RightOrBottom:
return(new Rectangle(lengthOffset + 2, _trackBar.Height - offset - tickFieldSize - 1, tickFieldLength, tickFieldSize));
}
}
return(Rectangle.Empty);
}
public abstract void RenderTicks(Graphics g, WinampTrackBar.WinampTrackBarTickPosition position);
public abstract Rectangle GetTickLayoutRectangle(WinampTrackBar.WinampTrackBarTickPosition position);
public override void RenderTicks(Graphics g, WinampTrackBar.WinampTrackBarTickPosition position)
{
int pixelValueZero = ValueToPixelValue(0);
int pixelPos = pixelValueZero;
if (_trackBar.TickWidth > 0)
{
pixelPos = pixelPos - (_trackBar.TickWidth / 2);
}
Rectangle zeroRectangle;
if (_trackBar.TickEmphasizeMinMaxAndZero)
{
zeroRectangle = new Rectangle(pixelPos, (int)g.ClipBounds.Y, _trackBar.TickWidth, _trackBar.TickEmphasizedHeight);
using (Brush zeroBrush = new SolidBrush(_trackBar.TickEmphasizedColor))
{
g.FillRectangle(zeroBrush, zeroRectangle);
}
}
else
{
zeroRectangle = new Rectangle(pixelPos, (int)g.ClipBounds.Y, _trackBar.TickWidth, _trackBar.TickHeight);
using (Brush zeroBrush = new SolidBrush(_trackBar.TickColor))
{
g.FillRectangle(zeroBrush, zeroRectangle);
}
}
Rectangle tickRectangle;
bool tickIsEmphasized;
int tickHeight;
int offsetY;
if (_trackBar.Minimum == 0 || (_trackBar.Minimum < 0 && _trackBar.Maximum > 0))
{
//Paint ticks from 0 up to maximum
int pixelPosCurrent = pixelPos;
int pixelPosNext = pixelPosCurrent + _trackBar.TickWidth + _trackBar.TickSpacing;
int nextTickMaxWidth = pixelPosNext + _trackBar.TickWidth;
bool nextTickFits = nextTickMaxWidth <= (int)(g.ClipBounds.X + g.ClipBounds.Width) - 1;
while (nextTickFits)
{
pixelPosCurrent = pixelPosNext;
pixelPosNext = pixelPosCurrent + _trackBar.TickWidth + _trackBar.TickSpacing;
nextTickMaxWidth = pixelPosNext + _trackBar.TickWidth;
nextTickFits = nextTickMaxWidth <= (int)(g.ClipBounds.X + g.ClipBounds.Width) - 1;
tickIsEmphasized = _trackBar.TickEmphasizeMinMaxAndZero && !nextTickFits;
tickHeight = tickIsEmphasized ? _trackBar.TickEmphasizedHeight : _trackBar.TickHeight;
offsetY = 0;
if (!tickIsEmphasized)
{
if (_trackBar.TickAlignment == WinampTrackBar.WinampTrackBarTickAlignment.Center)
{
offsetY = (int)((g.ClipBounds.Height - tickHeight) / 2);
}
else if ((position == WinampTrackBar.WinampTrackBarTickPosition.LeftOrTop && _trackBar.TickAlignment == WinampTrackBar.WinampTrackBarTickAlignment.Far) ||
(position == WinampTrackBar.WinampTrackBarTickPosition.RightOrBottom && _trackBar.TickAlignment == WinampTrackBar.WinampTrackBarTickAlignment.Near))
{
offsetY = 0;
}
else if ((position == WinampTrackBar.WinampTrackBarTickPosition.LeftOrTop && _trackBar.TickAlignment == WinampTrackBar.WinampTrackBarTickAlignment.Near) ||
(position == WinampTrackBar.WinampTrackBarTickPosition.RightOrBottom && _trackBar.TickAlignment == WinampTrackBar.WinampTrackBarTickAlignment.Far))
{
offsetY = (int)g.ClipBounds.Height - tickHeight;
}
}
tickRectangle = new Rectangle(pixelPosCurrent, (int)g.ClipBounds.Y + offsetY, _trackBar.TickWidth, tickHeight);
if (tickIsEmphasized)
{
using (Brush tickBrush = new SolidBrush(_trackBar.TickEmphasizedColor))
{
g.FillRectangle(tickBrush, tickRectangle);
}
}
else
{
using (Brush tickBrush = new SolidBrush(_trackBar.TickColor))
{
g.FillRectangle(tickBrush, tickRectangle);
}
}
}
}
if (_trackBar.Maximum == 0 || (_trackBar.Minimum < 0 && _trackBar.Maximum > 0))
{
//Paint ticks from 0 down to minimum
int pixelPosCurrent = pixelPos;
int pixelPosNext = pixelPosCurrent - _trackBar.TickWidth - _trackBar.TickSpacing;
int nextTickMaxWidth = pixelPosNext - _trackBar.TickWidth;
bool nextTickFits = nextTickMaxWidth >= (int)g.ClipBounds.X;
while (nextTickFits)
{
pixelPosCurrent = pixelPosNext;
pixelPosNext = pixelPosCurrent - _trackBar.TickWidth - _trackBar.TickSpacing;
nextTickMaxWidth = pixelPosNext - _trackBar.TickWidth;
nextTickFits = nextTickMaxWidth >= (int)g.ClipBounds.X;
tickIsEmphasized = _trackBar.TickEmphasizeMinMaxAndZero && !nextTickFits;
tickHeight = tickIsEmphasized ? _trackBar.TickEmphasizedHeight : _trackBar.TickHeight;
offsetY = 0;
if (!tickIsEmphasized)
{
if (_trackBar.TickAlignment == WinampTrackBar.WinampTrackBarTickAlignment.Center)
{
offsetY = (int)((g.ClipBounds.Height - tickHeight) / 2);
}
else if ((position == WinampTrackBar.WinampTrackBarTickPosition.LeftOrTop && _trackBar.TickAlignment == WinampTrackBar.WinampTrackBarTickAlignment.Far) ||
(position == WinampTrackBar.WinampTrackBarTickPosition.RightOrBottom && _trackBar.TickAlignment == WinampTrackBar.WinampTrackBarTickAlignment.Near))
{
offsetY = 0;
}
else if ((position == WinampTrackBar.WinampTrackBarTickPosition.LeftOrTop && _trackBar.TickAlignment == WinampTrackBar.WinampTrackBarTickAlignment.Near) ||
(position == WinampTrackBar.WinampTrackBarTickPosition.RightOrBottom && _trackBar.TickAlignment == WinampTrackBar.WinampTrackBarTickAlignment.Far))
{
offsetY = (int)g.ClipBounds.Height - tickHeight;
}
}
tickRectangle = new Rectangle(pixelPosCurrent, (int)g.ClipBounds.Y + offsetY, _trackBar.TickWidth, tickHeight);
if (tickIsEmphasized)
{
using (Brush tickBrush = new SolidBrush(_trackBar.TickEmphasizedColor))
{
g.FillRectangle(tickBrush, tickRectangle);
}
}
else
{
using (Brush tickBrush = new SolidBrush(_trackBar.TickColor))
{
g.FillRectangle(tickBrush, tickRectangle);
}
}
}
}
}
