//Add Axes and increment lines to the main line batch.
private void Axes()
{
//X-Axis
for (var i = -graphProperties.StartOffSetX; i <= graphProperties.XRange + graphProperties.IncrementX; i += graphProperties.IncrementX)
{
if (!(i / graphProperties.IncrementX * graphProperties.XInterval >= 0) || !(i / graphProperties.IncrementX * graphProperties.XInterval <= graphProperties.CanvasWidth))
{
continue;
}
//Setup fo increment lines on the axis.
var incrementLightLine = new LightLine
{
X1 = i / graphProperties.IncrementX * graphProperties.XInterval,
Y1 = graphProperties.Origin.Y + 4,
X2 = i / graphProperties.IncrementX * graphProperties.XInterval,
Y2 = graphProperties.Origin.Y - 4
};
this.Add(incrementLightLine);
}
var axesLightLine = new LightLine
{
X1 = 0,
Y1 = graphProperties.Origin.Y,
X2 = graphProperties.CanvasWidth,
Y2 = graphProperties.Origin.Y
};
this.Add(axesLightLine);
//Y-Axis
for (var i = graphProperties.YRange + graphProperties.StartOffSetY; i >= -graphProperties.IncrementY; i -= graphProperties.IncrementY)
{
if (!(i / graphProperties.IncrementY * graphProperties.YIncrement >= 0) || !(i / graphProperties.IncrementY * graphProperties.YIncrement <= graphProperties.CanvasHeight))
{
continue;
}
//Setup fo increment lines on the axis.
var incrementLightLine = new LightLine
{
X1 = graphProperties.Origin.X + 4,
Y1 = i / graphProperties.IncrementY * graphProperties.YIncrement,
X2 = graphProperties.Origin.X - 4,
Y2 = i / graphProperties.IncrementY * graphProperties.YIncrement
};
this.Add(incrementLightLine);
}
var axesLightLineY = new LightLine
{
X1 = graphProperties.Origin.X,
Y1 = 0,
X2 = graphProperties.Origin.X,
Y2 = graphProperties.CanvasHeight
};
this.Add(axesLightLineY);
//If the origin is present to be drawn on the canvas a ellipse will be drawn to mark its location.
if (graphProperties.XStart <= 0 && graphProperties.XEnd >= 0 && graphProperties.YStart <= 0 && graphProperties.YEnd >= 0)
{
//Add origin circle to main batch list.
this.Add(DrawingMethods.Circle(graphProperties.Origin, 10).Content());
}
}
//Draws X and y axes.
private void Axes()
{
//The faint grid is drawn first to minimize overlapping of canvas objects.
var lineChunk = new LineChunk();
lineChunk.SetColour(Brushes.Black);
//Draw increment LightLines and axes for each interval:
//If the yStart and yEnd Values are both less than zero the X axis is drawn at the top of the canvas.
for (var i = -_startOffSetX; i <= _xRange + _incrementX; i += _incrementX)
{
if (!(i / _incrementX * _xInterval >= 0) || !(i / _incrementX * _xInterval <= _width))
{
continue;
}
var incrementLightLine = new LightLine
{
X1 = i / _incrementX * _xInterval,
Y1 = _origin.Y + 4,
X2 = i / _incrementX * _xInterval,
Y2 = _origin.Y - 4
};
lineChunk.Add(incrementLightLine);
}
var axesLightLine = new LightLine
{
X1 = 0,
Y1 = _origin.Y,
X2 = _width,
Y2 = _origin.Y
};
lineChunk.Add(axesLightLine);
//If the xStart and xEnd Values are both less than zero the y axis is drawn at the right of the canvas.
for (var i = _yRange + _startOffSetY; i >= -_incrementY; i -= _incrementY)
{
if (!(i / _incrementY * _yInterval >= 0) || !(i / _incrementY * _yInterval <= _height))
{
continue;
}
var incrementLightLine = new LightLine
{
X1 = _origin.X + 4,
Y1 = i / _incrementY * _yInterval,
X2 = _origin.X - 4,
Y2 = i / _incrementY * _yInterval
};
lineChunk.Add(incrementLightLine);
}
var axesLightLineY = new LightLine
{
X1 = _origin.X,
Y1 = 0,
X2 = _origin.X,
Y2 = _height
};
lineChunk.Add(axesLightLineY);
_chunks.Add(lineChunk);
//If the origin is present to be drawn on the canvas a ellipse will be drawn to mark its location.
if (_xStart <= 0 && _xEnd >= 0 && _yStart <= 0 && _yEnd >= 0)
{
_chunks.Add(DrawingMethods.Circle(_origin, 10));
}
}
