private void XAxisTitleLabel()
{
var xAxisTitle = new LightText {
Text = XAxisTitle
};
//If the origin line is too close the edge of the canvas, the labels are drawn on the opposite side of the axis (above).
if (graphProperties.Origin.Y - DrawingMethods.MeasureString(YAxisTitle, FontSize).Height * 2 > 0)
{
xAxisTitle.Position.X = graphProperties.CanvasWidth - DrawingMethods.MeasureString(XAxisTitle, FontSize).Width - offSetX;
xAxisTitle.Position.Y = graphProperties.Origin.Y - DrawingMethods.MeasureString(XAxisTitle, FontSize).Height * 2;
}
else //Else the labels are drawn on the normal side of the axis (below).
{
xAxisTitle.Position.X = graphProperties.CanvasWidth - DrawingMethods.MeasureString(XAxisTitle, FontSize).Width - offSetX;
xAxisTitle.Position.Y = graphProperties.Origin.Y + DrawingMethods.MeasureString(XAxisTitle, FontSize).Height * 2;
}
this.Add(xAxisTitle);
}
private void YAxisTitleLabel()
{
var yAxisTitle = new LightText {
Text = YAxisTitle
};
//Set position for axis title.
//If the origin line is too close the edge of the canvas, the labels are drawn on the opposite side of the axis (the right).
if (graphProperties.Origin.X + DrawingMethods.MeasureString(YAxisTitle, FontSize).Width * 2 < graphProperties.CanvasWidth)
{
yAxisTitle.Position.X = graphProperties.Origin.X + 25;
yAxisTitle.Position.Y = DrawingMethods.MeasureString(YAxisTitle, FontSize).Height * 1.5;
}
else //Else the labels are drawn on the normal side of the axis (the left).
{
yAxisTitle.Position.X = graphProperties.Origin.X - DrawingMethods.MeasureString(YAxisTitle, FontSize).Width * 2;
yAxisTitle.Position.Y = DrawingMethods.MeasureString(YAxisTitle, FontSize).Height * 1.5;
}
this.Add(yAxisTitle);
}
//Remove a specified item from the BatchList.
public void Remove(LightText text)
{
BatchList.Remove(text);
}
public void Add(LightText text)
{
BatchList.Add(text);
}
//Add Y axis Labels to the main text batch.
private void YAxisLabels()
{
var labelincrementY = GetLabelIncrementY(FontSize);
//Calculate the dynamic offset for the y axis labels.
var dynamicLabelOffSetY = graphProperties.YStart % labelincrementY;
//Loop for each label to be drawn on the y axis.
for (var i = graphProperties.YRange; i >= -labelincrementY; i -= labelincrementY)
{
var labelText = (graphProperties.YStart - dynamicLabelOffSetY + (graphProperties.YRange - i)).ToString("0.######");
var valueLabel = new LightText {
Text = labelText
};
if (Convert.ToDouble(labelText) == 0)
{
continue;
}
//Setup Y-Axis labels.
//If label's coordinates + dynamicOffSet are present within the canavs bounds...
if ((dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement -
DrawingMethods.MeasureString(labelText, FontSize).Height >= 0 &&
(dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement +
DrawingMethods.MeasureString(labelText, FontSize).Height <= graphProperties.CanvasHeight)
{
//If the origin line is too close the edge of the canvas, the labels are drawn on the opposite side of the axis (the right).
if (graphProperties.Origin.X - offSetX - DrawingMethods.MeasureString(labelText, FontSize).Width <= 0)
{
valueLabel.Position.X = graphProperties.Origin.X + offSetX;
valueLabel.Position.Y = (dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement -
DrawingMethods.MeasureString(labelText, FontSize).Height * 0.5;
this.Add(valueLabel);
}
else //Else the labels are drawn on the normal side of the axis (the left).
{
valueLabel.Position.X = graphProperties.Origin.X - offSetX - DrawingMethods.MeasureString(labelText, FontSize).Width;
valueLabel.Position.Y = (dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement -
DrawingMethods.MeasureString(labelText, FontSize).Height * 0.5;
this.Add(valueLabel);
}
}
else //If the position of the drawing label is above the canvas by an amount of the text's height...
if ((dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement -
DrawingMethods.MeasureString(labelText, FontSize).Height <= 0 &&
(dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement -
DrawingMethods.MeasureString(labelText, FontSize).Height >= -DrawingMethods.MeasureString(labelText, FontSize).Height)
{
//If the origin line is too close the edge of the canvas, the labels are drawn on the opposite side of the axis (the right).
if (graphProperties.Origin.X - offSetX - DrawingMethods.MeasureString(labelText, FontSize).Width <= 0)
{
valueLabel.Position.X = graphProperties.Origin.X + offSetX;
valueLabel.Position.Y = (graphProperties.StartOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement +
DrawingMethods.MeasureString(labelText, FontSize).Height * 0.5
- Math.Abs((dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement);
this.Add(valueLabel);
}
else //Else the labels are drawn on the normal side of the axis (the left).
{
valueLabel.Position.X = graphProperties.Origin.X - offSetX - DrawingMethods.MeasureString(labelText, FontSize).Width;
valueLabel.Position.Y = (dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement -
DrawingMethods.MeasureString(labelText, FontSize).Height * 0.5
+ (-((dynamicLabelOffSetY + i) / graphProperties.IncrementY) * graphProperties.YIncrement +
DrawingMethods.MeasureString(labelText, FontSize).Height);
this.Add(valueLabel);
}
}
else //If the position of the drawing label is below the canvas by an amount of the text's height...
if ((dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement +
DrawingMethods.MeasureString(labelText, FontSize).Height >= graphProperties.CanvasHeight &&
(dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement +
DrawingMethods.MeasureString(labelText, FontSize).Height <=
graphProperties.CanvasHeight + DrawingMethods.MeasureString(labelText, FontSize).Height)
{
//If the origin line is too close the edge of the canvas, the labels are drawn on the opposite side of the axis (the right).
if (graphProperties.Origin.X - offSetX - DrawingMethods.MeasureString(labelText, FontSize).Width <= 0)
{
valueLabel.Position.X = graphProperties.Origin.X + offSetX;
valueLabel.Position.Y = (dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement -
DrawingMethods.MeasureString(labelText, FontSize).Height * 0.5 -
((dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement +
DrawingMethods.MeasureString(labelText, FontSize).Height - graphProperties.CanvasHeight);
this.Add(valueLabel);
}
else //Else the labels are drawn on the normal side of the axis (the left).
{
valueLabel.Position.X = graphProperties.Origin.X - offSetX - DrawingMethods.MeasureString(labelText, FontSize).Width;
valueLabel.Position.Y = (dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement -
DrawingMethods.MeasureString(labelText, FontSize).Height * 0.5 -
((dynamicLabelOffSetY + i) / graphProperties.IncrementY * graphProperties.YIncrement +
DrawingMethods.MeasureString(labelText, FontSize).Height - graphProperties.CanvasHeight);
this.Add(valueLabel);
}
}
}
}
//Add X axis Labels to the main text batch.
private void XAxisLabels()
{
var labelincrementX = GetLabelIncrementX(FontSize);
//Calculate the dynamic offset for the y axis labels.
var dynamicLabelOffSetX = graphProperties.XStart % labelincrementX;
//Loop for each label to be drawn on the y axis.
for (double i = 0; i <= graphProperties.XRange + labelincrementX; i += labelincrementX)
{
var labelText = (graphProperties.XStart - dynamicLabelOffSetX + i).ToString("0.######");
var valueLabel = new LightText {
Text = labelText
};
//If label is equal to zero, do not display label.
if (Convert.ToDouble(labelText) == 0)
{
continue;
}
//Setup X-Axis labels.
//If label's coordinates + dynamicOffSet are present within the canavs bounds...
if ((-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval -
0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width >= 0 &&
(-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval +
0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width <= graphProperties.CanvasWidth)
{
//If the origin line is too close the edge of the canvas, the labels are drawn on the opposite side of the axis (above).
if (graphProperties.Origin.Y + DrawingMethods.MeasureString(labelText, FontSize).Height * 1.5f >= graphProperties.CanvasHeight)
{
valueLabel.Position.X = (-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval -
0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width;
valueLabel.Position.Y = graphProperties.Origin.Y - DrawingMethods.MeasureString(labelText, FontSize).Height * 1.5f;
this.Add(valueLabel);
}
else //Else the labels are drawn on the normal side of the axis (below).
{
valueLabel.Position.X = (-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval
- 0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width;
valueLabel.Position.Y = graphProperties.Origin.Y + DrawingMethods.MeasureString(labelText, FontSize).Height * 0.5f;
this.Add(valueLabel);
}
}
else //If the position of the drawing label is outside the canvas by an amount of the text's width (to the left)...
if ((-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval -
0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width <= 0 &&
(-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval -
0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width
>= -0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width)
{
//If the origin line is too close the edge of the canvas, the labels are drawn on the opposite side of the axis (above).
if (graphProperties.Origin.Y + DrawingMethods.MeasureString(labelText, FontSize).Height * 1.5f >= graphProperties.CanvasHeight)
{
valueLabel.Position.X = (-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval
- Math.Abs((-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval +
0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width)
+ 0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width;
valueLabel.Position.Y = graphProperties.Origin.Y - DrawingMethods.MeasureString(labelText, FontSize).Height * 1.5f;
this.Add(valueLabel);
}
else //Else the labels are drawn on the normal side of the axis (below).
{
valueLabel.Position.X = (-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval
- Math.Abs((-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval +
0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width)
+ 0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width;
valueLabel.Position.Y = graphProperties.Origin.Y + DrawingMethods.MeasureString(labelText, FontSize).Height * 0.5f;
this.Add(valueLabel);
}
}
else //If the position of the drawing label is outside the canvas by an amount of the text's width (to the right)...
if ((-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval +
0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width >= graphProperties.CanvasWidth &&
(-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval +
0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width <=
graphProperties.CanvasWidth + 0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width)
{
//If the origin line is too close the edge of the canvas, the labels are drawn on the opposite side of the axis (above).
if (graphProperties.Origin.Y + DrawingMethods.MeasureString(labelText, FontSize).Height * 1.5f >= graphProperties.CanvasHeight)
{
valueLabel.Position.X = (-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval
- Math.Abs((-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval +
0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width - graphProperties.CanvasWidth)
- 0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width;
valueLabel.Position.Y = graphProperties.Origin.Y - DrawingMethods.MeasureString(labelText, FontSize).Height * 1.5f;
this.Add(valueLabel);
}
else //Else the labels are drawn on the normal side of the axis (below).
{
valueLabel.Position.X = (-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval
- Math.Abs((-dynamicLabelOffSetX + i) / graphProperties.IncrementX * graphProperties.XInterval +
0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width - graphProperties.CanvasWidth)
- 0.5f * DrawingMethods.MeasureString(labelText, FontSize).Width;
valueLabel.Position.Y = graphProperties.Origin.Y + DrawingMethods.MeasureString(labelText, FontSize).Height * 0.5f;
this.Add(valueLabel);
}
}
}
}