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);
}
}
}
}
}
void drawTo(Graphics g)
{
// Background
//Brush brushBackground = new SolidBrush(BackColor);
//g.FillRectangle(brushBackground, this.ClientRectangle);
Rectangle shape = new Rectangle();
GraphicsUtil.TextPosition tp = new GraphicsUtil.TextPosition();
getShapeCoords(ref shape, ref tp);
if ((_titlePos != RTTitlePos.Off) && (_title != null) && (_title.Length > 0))
{
Brush titleBrush = new SolidBrush(_titleColor);
tp.drawText(g, _titleFont, titleBrush, _title);
}
Pen framePen = new Pen(_frameColor);
Rectangle oshape = shape;
shape.Inflate(-1, -1);
double ymin = 0, ymax = 0;
Vector[] l = getShape(shape, ref ymin, ref ymax);
Brush scaleBrush = new SolidBrush(_scaleColor);
Pen majorGridPen = new Pen(_majorGridColor);
Pen minorGridPen = new Pen(_minorGridColor);
for (int i = 0; i < gridY.gridLength; i++)
{
double y = shape.Bottom - gridY.grid[i].screen;
string s = gridY.grid[i].name;
if (gridY.grid[i].isMajor && _showYScale)
{
GraphicsUtil.drawText(g, Vector.V(shape.Left, y), _scaleFont, scale, s, 0, 2, 1, 0, Vector.X, scaleBrush);
}
if (gridY.grid[i].isMajor && _showMajorYGrid)
{
GraphicsUtil.drawLine(g, Vector.V(shape.Left, y), Vector.V(shape.Right, y), majorGridPen);
}
if (!gridY.grid[i].isMajor && _showMinorYGrid)
{
GraphicsUtil.drawLine(g, Vector.V(shape.Left, y), Vector.V(shape.Right, y), minorGridPen);
}
}
for (int i = 0; i < gridX.gridLength; i++)
{
double x = shape.Left + gridX.grid[i].screen;
string s = gridX.grid[i].name;
if (gridX.grid[i].isMajor && showXScale)
{
GraphicsUtil.drawText(g, Vector.V(x, shape.Bottom), _scaleFont, scale, s, 0, 2, -1, 0, Vector.Y, scaleBrush);
}
if (gridX.grid[i].isMajor && _showMajorXGrid)
{
GraphicsUtil.drawLine(g, Vector.V(x, shape.Bottom), Vector.V(x, shape.Top), majorGridPen);
}
if (!gridX.grid[i].isMajor && _showMinorXGrid)
{
GraphicsUtil.drawLine(g, Vector.V(x, shape.Bottom), Vector.V(x, shape.Top), minorGridPen);
}
}
g.DrawRectangle(framePen, oshape);
Pen anchorPen = new Pen(_anchorColor);
Brush selBrush = null;
if (dragMode == DragMode.Holding)
{
selBrush = new SolidBrush(Color.Red);
}
Point[] p = new Point[l.Length];
g.SetClip(shape);
for (int i = 0; i < l.Length; i++)
{
p[i] = l[i].Point;
if (i > 0)
{
Rectangle A = new Rectangle(p[i].X - _anchorSize / 2, p[i].Y - _anchorSize / 2, _anchorSize, _anchorSize);
if ((dragMode == DragMode.Holding) && (dragSelect == i))
{
g.FillRectangle(selBrush, A);
}
else
{
g.DrawRectangle(anchorPen, A);
}
}
}
Pen shapePen = new Pen(_shapeColor);
g.DrawLines(shapePen, p);
}