/// <summary>
/// Строит график.
/// </summary>
/// <param name="g"></param>
/// <param name="task">Задание для отрисовки.</param>
/// <param name="taskIndex">Порядковый номер объекта task среди всех объектов для отрисовки.</param>
private void Plot(Graphics g, PlotTask task, int taskIndex)
{
if (task.Points == null)
{
return;
}
var xValDelta = Settings.StopX - Settings.StartX;
var yValDelta = Settings.StopY - Settings.StartY;
var totalLen = task.Points.Sum(t => t.Length);
if (totalLen == 0)
{
return;
}
var pointCount = (int)(totalLen * task.DrawPart);
if (task.DrawPart > 1.0)
{
pointCount = task.Points.Length;
}
if (task.DrawPart < 0.0)
{
pointCount = 0;
}
var pointsDrawn = 0;
var taskPen = Theme.PlotPens[taskIndex % Theme.PlotPens.Length];
var taskBrush = new SolidBrush(taskPen.Color);
for (var j = 0; j < task.Points.Length && pointsDrawn < pointCount; ++j)
{
var tmp = new List <PointF>();
for (var i = 0; i < task.Points[j].Length && pointsDrawn < pointCount; ++i)
{
var tt = new PointF((float)(LeftMargin + (task.Points[j][i].X - Settings.StartX) / xValDelta
* (Width - LeftMargin - RightMargin)),
(float)
(Height - (BottomMargin + (ScaleYPoint(task.Points[j][i].Y) - Settings.StartY) / yValDelta
* (Height - TopMargin - BottomMargin))));
if (task.Points[j].Length == 1)
{
g.FillEllipse(taskBrush, tt.X - 3, tt.Y - 3, 6, 6);
}
else
{
tmp.Add(tt);
}
pointsDrawn += 1;
}
if (tmp.Count > 1)
{
g.DrawLines(taskPen, tmp.ToArray());
}
}
}
/// <summary>
/// Рисует легенду для графика.
/// </summary>
/// <param name="g"></param>
/// <param name="task"></param>
/// <param name="taskIndex">Порядковый номер объекта task среди всех объектов для отрисовки.</param>
/// <param name="taskCount">Количество объектов task для отрисовки.</param>
private void DrawLegend(Graphics g, PlotTask task, int taskIndex, int taskCount)
{
var font = new Font("Arial", 14);
var brush = new SolidBrush(Theme.LegendTextColor);
var mid = taskCount / 2.0;
var labelYPos = (int)(TopMargin + (Height - TopMargin - BottomMargin) / 2 + (taskIndex - mid + 0.5) * 50);
g.DrawLine(Theme.PlotPens[taskIndex % Theme.PlotPens.Length], Width - RightMargin + 40 - 10, labelYPos,
Width - RightMargin + 50, labelYPos);
g.DrawString(task.Legend, font, brush,
Width - RightMargin + 40 - 5 + 25, labelYPos - 12);
}
/// <summary>
/// Строит график.
/// </summary>
/// <param name="g"></param>
/// <param name="task">Задание для отрисовки.</param>
/// <param name="taskIndex">Порядковый номер объекта task среди всех объектов для отрисовки.</param>
private void Plot(Graphics g, PlotTask task, int taskIndex)
{
if (task.Points == null) return;
var xValDelta = Settings.StopX - Settings.StartX;
var yValDelta = Settings.StopY - Settings.StartY;
var totalLen = task.Points.Sum(t => t.Length);
if (totalLen == 0) return;
var pointCount = (int)(totalLen * task.DrawPart);
if (task.DrawPart > 1.0)
pointCount = task.Points.Length;
if (task.DrawPart < 0.0)
pointCount = 0;
var pointsDrawn = 0;
var taskPen = Theme.PlotPens[taskIndex % Theme.PlotPens.Length];
var taskBrush = new SolidBrush(taskPen.Color);
for (var j = 0; j < task.Points.Length && pointsDrawn < pointCount; ++j)
{
var tmp = new List<PointF>();
for (var i = 0; i < task.Points[j].Length && pointsDrawn < pointCount; ++i)
{
var tt = new PointF((float)(LeftMargin + (task.Points[j][i].X - Settings.StartX) / xValDelta
* (Width - LeftMargin - RightMargin)),
(float)
(Height - (BottomMargin + (ScaleYPoint(task.Points[j][i].Y) - Settings.StartY) / yValDelta
* (Height - TopMargin - BottomMargin))));
if (task.Points[j].Length == 1)
{
g.FillEllipse(taskBrush, tt.X - 3, tt.Y - 3, 6, 6);
}
else
{
tmp.Add(tt);
}
pointsDrawn += 1;
}
if (tmp.Count > 1)
{
g.DrawLines(taskPen, tmp.ToArray());
}
}
}
/// <summary>
/// Рисует легенду для графика.
/// </summary>
/// <param name="g"></param>
/// <param name="task"></param>
/// <param name="taskIndex">Порядковый номер объекта task среди всех объектов для отрисовки.</param>
/// <param name="taskCount">Количество объектов task для отрисовки.</param>
private void DrawLegend(Graphics g, PlotTask task, int taskIndex, int taskCount)
{
var font = new Font("Arial", 14);
var brush = new SolidBrush(Theme.LegendTextColor);
var mid = taskCount / 2.0;
var labelYPos = (int)(TopMargin + (Height - TopMargin - BottomMargin) / 2 + (taskIndex - mid + 0.5) * 50);
g.DrawLine(Theme.PlotPens[taskIndex % Theme.PlotPens.Length], Width - RightMargin + 40 - 10, labelYPos,
Width - RightMargin + 50, labelYPos);
g.DrawString(task.Legend, font, brush,
Width - RightMargin + 40 - 5 + 25, labelYPos - 12);
}
