private void SetPlotArea(Graphics g)
{
// Set PlotArea:
float xOffset = cs.ChartArea.Width / 30.0f;
float yOffset = cs.ChartArea.Height / 30.0f;
SizeF labelFontSize = g.MeasureString("A", cs.LabelFont);
SizeF titleFontSize = g.MeasureString("A", cs.TitleFont);
if (cs.Title.ToUpper() == "NO TITLE")
{
titleFontSize.Width = 8f;
titleFontSize.Height = 8f;
}
float xSpacing = xOffset / 3.0f;
float ySpacing = yOffset / 3.0f;
SizeF tickFontSize = g.MeasureString("A", cs.TickFont);
float tickSpacing = 2f;
SizeF yTickSize = g.MeasureString(cs.YLimMin.ToString(), cs.TickFont);
for (float yTick = cs.YLimMin; yTick <= cs.YLimMax; yTick += cs.YTick)
{
SizeF tempSize = g.MeasureString(yTick.ToString(), cs.TickFont);
if (yTickSize.Width < tempSize.Width)
{
yTickSize = tempSize;
}
}
float leftMargin = xOffset + labelFontSize.Width +
xSpacing + yTickSize.Width + tickSpacing;
float rightMargin = 2 * xOffset;
float topMargin = yOffset + titleFontSize.Height + ySpacing;
float bottomMargin = yOffset + labelFontSize.Height +
ySpacing + tickSpacing + tickFontSize.Height;
// Define the plot area with one Y axis:
int plotX = cs.ChartArea.X + (int)leftMargin;
int plotY = cs.ChartArea.Y + (int)topMargin;
int plotWidth = cs.ChartArea.Width - (int)leftMargin - (int)rightMargin;
int plotHeight = cs.ChartArea.Height - (int)topMargin - (int)bottomMargin;
cs.PlotArea = new Rectangle(plotX, plotY, plotWidth, plotHeight);
}
