public void DrawLine(Color color, int x1, int y1, int x2, int y2)
{
PointF from = new PointF(_edgeLeft + x1 * _intervalX, _yZero - y1 * _intervalY);
PointF to = new PointF(_edgeLeft + x2 * _intervalX, _yZero - y2 * _intervalY);
_graphObj.DrawLine(DrawingTools.Pen(color), from, to);
_graphObj.DrawEllipse(DrawingTools.Marker(color), to.X - 1, to.Y - 1, 2, 2);
}
public void DrawGraph(Color color, int[] yAxle)
{
if (MinimumSizeCheck()) // If the panel is too small, don't draw anything.
{
_graphObj.DrawEllipse(DrawingTools.Marker(color), _edgeLeft + 0 - 1, _yZero - yAxle[0] * _intervalY - 1, 2, 2);
for (float loop = 1; loop < yAxle.Length; loop++)
{
PointF from = new PointF(_edgeLeft + (loop - 1) * _intervalX, _yZero - yAxle[(int)(loop - 1)] * _intervalY);
PointF to = new PointF(_edgeLeft + loop * _intervalX, _yZero - yAxle[(int)loop] * _intervalY);
_graphObj.DrawLine(DrawingTools.Pen(color), from, to);
_graphObj.DrawEllipse(DrawingTools.Marker(color), to.X - 1, to.Y - 1, 2, 2);
}
}
}
public void DrawBar(Color color, int x, int y)
{
float barWidth = _intervalX - barSpacing;
if (MinimumSizeCheck()) // If the panel is too small, don't draw anything.
{
if (y > 0)
{
_graphObj.FillRectangle(DrawingTools.Brush(color), _edgeLeft + (barSpacing / 2) + ((barWidth + barSpacing) * x), _yZero - y * _intervalY, barWidth, y * _intervalY);
}
else
{
_graphObj.FillRectangle(DrawingTools.Brush(color), _edgeLeft + (barSpacing / 2) + ((barWidth + barSpacing) * x), _yZero, barWidth, -y * _intervalY);
}
}
}
protected virtual void InitializeGraph()
{
_edgeTop = 15;
_edgeRight = _panel.Width - 10;
_edgeBottom = _panel.Height - 25;
_edgeLeft = 25;
// Default values, mostly in case of not drawing axles.
_intervalX = (float)Math.Max(1, (float)(_edgeRight - _edgeLeft) / 5);
_intervalY = (float)Math.Max(0.10, (float)(_edgeBottom - _edgeTop) / 100);
_yBottom = 0;
if (MinimumSizeCheck()) // If the panel is too small, don't draw anything.
{
// Draw the axles
_graphObj.DrawLine(DrawingTools.Pen(Color.Black), _edgeLeft, _edgeBottom, _edgeRight, _edgeBottom);
_graphObj.DrawLine(DrawingTools.Pen(Color.Black), _edgeLeft, _edgeTop, _edgeLeft, _edgeBottom);
}
}
public void DrawXAxle(string xAxleName, int xTop, int xBottom = 0, bool fullLines = false)
{
_xTop = xTop;
_xBottom = xBottom;
_intervalX = (float)Math.Max(1, (float)(_edgeRight - _edgeLeft) / (_xTop - _xBottom));
// Draw the x axle label
_graphObj.DrawString(xAxleName, DrawingTools.Font, DrawingTools.Brush(Color.Black), _edgeRight - 12, _edgeBottom + 8);
if (MinimumSizeCheck()) // If the panel is too small, don't draw anything.
{
// Draw the X axle arrow
//_graphObj.DrawLine(DrawingTools.Pen(Color.Black), _edgeRight, _edgeBottom, _edgeRight - 5, _edgeBottom - 5);
//_graphObj.DrawLine(DrawingTools.Pen(Color.Black), _edgeRight, _edgeBottom, _edgeRight - 5, _edgeBottom + 5);
// Add numbers to the X axle
int number = 1;
for (float loop = _edgeLeft + _intervalX; loop < _edgeRight - 10; loop += _intervalX)
{
int numberOffset = 0;
if (fullLines)
{
_graphObj.DrawLine(DrawingTools.Pen(Color.Black), loop, _edgeTop, loop, _edgeBottom + 5);
}
else
{
_graphObj.DrawLine(DrawingTools.Pen(Color.Black), loop, _edgeBottom - 2, loop, _edgeBottom + 5);
}
numberOffset = -((number.ToString().Length - 1) * 4); // Numbers left align offset.
_graphObj.DrawString(number++.ToString(), DrawingTools.Font, DrawingTools.Brush(Color.Black), loop - 3 + numberOffset, _edgeBottom + 5 + 3);
}
// If yZero is not at the buttom, make a line at yZero.
if (_yBottom < 0)
{
for (float loop = _edgeLeft + _intervalX; loop < _edgeRight * 2; loop += _intervalX)
{
_graphObj.DrawLine(DrawingTools.Pen(Color.Black), loop, _yZero - 2, loop, _yZero + 2);
}
}
}
}
public void DrawDot(Color color, int x, int y)
{
PointF to = new PointF(_edgeLeft + x * _intervalX, _yZero - y * _intervalY);
_graphObj.DrawEllipse(DrawingTools.Marker(color), to.X - 1, to.Y - 1, 2, 2);
}
public void DrawYAxle(string yAxleName, int yTop, int yBottom = 0, bool fullLines = true)
{
_yTop = yTop;
_yBottom = yBottom;
_intervalY = (float)Math.Max(0.10, (float)(_edgeBottom - _edgeTop) / (_yTop - _yBottom));
_yZero = _edgeBottom + _yBottom * _intervalY;
// Set the interval between numbers on the Y axle. This may still need ajustment!
int intervalNumber;
if (_intervalY > 7.5)
{
intervalNumber = 1;
}
else if (_intervalY > 5)
{
intervalNumber = 2;
}
else if (_intervalY > 1.5)
{
intervalNumber = 5;
}
else if (_intervalY > 1)
{
intervalNumber = 10;
}
else if (_intervalY > 0.4)
{
intervalNumber = 20;
}
else if (_intervalY > 0.24)
{
intervalNumber = 50;
}
else
{
intervalNumber = 100;
}
// Draw the y axle label
_graphObj.DrawString(yAxleName, DrawingTools.Font, DrawingTools.Brush(Color.Black), 6, 3);
if (MinimumSizeCheck()) // If the panel is too small, don't draw anything.
{
// Draw the Y axle arrow
//_graphObj.DrawLine(DrawingTools.Pen(Color.Black), _edgeLeft, _edgeTop, _edgeLeft + 5, _edgeTop + 5);
//_graphObj.DrawLine(DrawingTools.Pen(Color.Black), _edgeLeft, _edgeTop, _edgeLeft - 5, _edgeTop + 5);
// Add numbers to the Y axle
int number = _yBottom;
for (float loop = _edgeBottom; loop >= _edgeTop - 0.1; loop -= (_intervalY * intervalNumber))
{
int numberOffset = 0;
if (fullLines)
{
_graphObj.DrawLine(DrawingTools.Pen(Color.Black), _edgeLeft - 5, loop, _edgeRight, loop);
}
else
{
_graphObj.DrawLine(DrawingTools.Pen(Color.Black), _edgeLeft - 5, loop, _edgeLeft + 2, loop);
}
numberOffset = -((number.ToString().Length - 1) * 4); // Numbers left align offset.
_graphObj.DrawString(number.ToString(), DrawingTools.Font, DrawingTools.Brush(Color.Black), _edgeLeft - 5 - 7 + numberOffset, loop - 3);
number += intervalNumber;
}
// If yZero is not at the buttom, make a line at yZero.
if (_yBottom < 0)
{
_graphObj.DrawLine(DrawingTools.Pen(Color.Black), _edgeLeft, _yZero, _edgeRight, _yZero);
}
}
}
