public RTLevel()
{
_title = "level";
_titlePos = GraphicsUtil.TextAlignment.left;
_titleColor = Color.DimGray;
titleBrush = new SolidBrush(_titleColor);
_titleFont = new Font(FontFamily.GenericSansSerif, 8);
_displaySize = new Size(50, 10);
_valuePos = GraphicsUtil.TextAlignment.below;
_valueFont = new Font(FontFamily.GenericSansSerif, 8);
_valueColor = Color.DimGray;
valueBrush = new SolidBrush(_valueColor);
_format = "F2";
_unit = "";
_value = 0;
_min = -1;
_max = 1;
_openAngle = 150;
_frameColor = Color.DimGray;
framePen = new Pen(_frameColor);
_fillColor = Color.LimeGreen;
fillBrush = new SolidBrush(_fillColor);
_pointColor = Color.Red;
pointPen = new Pen(_pointColor);
_levelType = RTLevelType.LinearH;
_logScale = false;
gridCalculator = new GridCalculator(_min, _max, _logScale, 2 * Vector.V(displaySize).Len);
gridCalculator.reScreen(-openAngle / 2, openAngle / 2);
this.DoubleBuffered = true;
}
void drawTo(Graphics g)
{
GraphicsUtil.TextPosition titlePos = new GraphicsUtil.TextPosition();
GraphicsUtil.TextPosition valuePos = new GraphicsUtil.TextPosition();
VectorRect bar = new VectorRect();
VectorRect handle = new VectorRect();
Vector vlow = Vector.Zero;
Vector vhigh = Vector.Zero;
getPositions(ref titlePos, ref valuePos, ref bar, ref handle, ref vlow, ref vhigh);
double hlen = 0;
if (_showScale)
{
if (_slideDirection == SlideDirection.Horizontal)
{
hlen = (vhigh.x - vlow.x) / scale;
if (grid == null)
{
grid = new GridCalculator(_minVal, _maxVal, 1e-12, 1e-12, 1.1, _minVal, _maxVal, _logScale, 0, hlen, (double)_scaleFont.Height * _lableLength);
}
else if (grid.high != hlen)
{
grid.reScreen(0, hlen);
}
}
else
{
hlen = (vlow.y - vhigh.y) / scale;
if (grid == null)
{
grid = new GridCalculator(_minVal, _maxVal, 1e-12, 1e-12, 1.1, _minVal, _maxVal, _logScale, 0, hlen, (double)_scaleFont.Height);
grid.showEndLables = true;
}
else if (grid.high != hlen)
{
grid.reScreen(0, hlen);
}
}
}
// Title
if (_showTitle && (_title != null) && (_title.Length > 0))
{
titlePos.drawText(g, _titleFont, titleBrush, _title);
}
// Value
if (_showValue)
{
String s = String.Format(getFormat(), _val);
if ((unit != null) && (unit.Length > 0))
{
s = s + " " + unit;
}
valuePos.drawText(g, _valueFont, valueBrush, s);
}
g.DrawRectangle(penSlide, bar.rectangle);
g.FillRectangle(brushSlideMark, handle.rectangle);
g.DrawRectangle(penSlideMark, handle.rectangle);
if (_showScale)
{
GraphicsUtil.drawLine(g, vlow, vhigh, scalePen);
Vector vr = 0.5 * _slideScaleWidth * scale * ((vhigh - vlow).norm).vrot90();
Vector vtext = Vector.Zero;
if (_slideDirection == SlideDirection.Horizontal)
{
vtext = Vector.V(0, _slideScaleWidth / 2 * scale);
}
else
{
vtext = Vector.V(_slideScaleWidth / 2 * scale, 0);
}
for (int i = 0; i < grid.gridLength; i++)
{
Vector vpos = vlow + (vhigh - vlow) * grid.grid[i].screen / hlen;
if (grid.grid[i].isMajor)
{
GraphicsUtil.drawLine(g, vpos - vr, vpos + vr, scalePen);
}
else
{
GraphicsUtil.drawLine(g, vpos - vr / 2, vpos + vr / 2, scalePen);
}
if (_showScaleValues && grid.grid[i].show && (grid.grid[i].name.Length > 0))
{
if (_slideDirection == SlideDirection.Horizontal)
{
GraphicsUtil.drawText(g, vpos + vtext, _scaleFont, scale,
grid.grid[i].name, 0, 2, 0, 1, Vector.V(1, 0), scaleFontBrush);
}
else
{
GraphicsUtil.drawText(g, vpos + vtext, _scaleFont, scale,
grid.grid[i].name, 0, 2, -1, 0, Vector.V(1, 0), scaleFontBrush);
}
}
}
}
}
