/// <summary>
/// Рисует координаты.
/// </summary>
/// <param name="coordinates"></param>
/// <param name="parameters"></param>
/// <param name="frame"></param>
/// <param name="canvas"></param>
public void Paint(Coordinates coordinates, Parameters parameters, RestrictiveFrame frame, SKCanvas canvas)
{
foreach (TypeOfAxis type in Enum.GetValues(typeof(TypeOfAxis)))
{
DrawMarks(type, coordinates, parameters, frame, canvas);
}
}
/// <summary>
/// Рисует рамку.
/// </summary>
/// <param name="frame">Рамка.</param>
/// <param name="canvas">Холст.</param>
public void Paint(RestrictiveFrame frame, SKCanvas canvas)
{
canvas.DrawLine(frame.GetFirstPointX(), frame.GetFirstPointY(), frame.GetSecondPointX(), frame.GetFirstPointY(), frame.Paint);
canvas.DrawLine(frame.GetSecondPointX(), frame.GetFirstPointY(), frame.GetSecondPointX(), frame.GetSecondPointY(), frame.Paint);
canvas.DrawLine(frame.GetSecondPointX(), frame.GetSecondPointY(), frame.GetFirstPointX(), frame.GetSecondPointY(), frame.Paint);
canvas.DrawLine(frame.GetFirstPointX(), frame.GetSecondPointY(), frame.GetFirstPointX(), frame.GetFirstPointY(), frame.Paint);
}
/// <summary>
/// Возвращает коэффициент масштабирования для X-точек.
/// </summary>
/// <param name="parameters"></param>
/// <param name="frame"></param>
/// <returns></returns>
protected float GetXScalingFactor(Parameters parameters, RestrictiveFrame frame)
{
// Ненулевой
float scalingFactor = 0.01f;
float point = 0;
while (Convert.ToInt32(point) != Convert.ToInt32(frame.GetSecondPointX()))
{
float x = (float)(parameters.Fmax);
point = frame.GetFirstPointX() + x * scalingFactor;
scalingFactor += 0.01f;
}
return(scalingFactor);
}
/// <summary>
/// Возвращает коэффициент масштабирования для Y-точек.
/// </summary>
/// <param name="parameters"></param>
/// <param name="frame"></param>
/// <returns></returns>
protected float GetYScalingFactor(Parameters parameters, RestrictiveFrame frame)
{
// Ненулевой
float scalingFactor = 0.01f;
float point = 0;
while (Convert.ToInt32(point) != Convert.ToInt32(frame.GetSecondPointY()))
{
// Здесь макс значение по y
float y = (float)(30);
point = frame.GetFirstPointY() + y * scalingFactor;
scalingFactor += 0.01f;
}
return(scalingFactor);
}
/// <summary>
/// Рисует ФЧХ для параметра.
/// </summary>
/// <param name="plot"></param>
/// <param name="parameters"></param>
/// <param name="canvas"></param>
private void PaintSParameter(ParameterType type, SKPaint paint, Plot plot, Parameters parameters, SKCanvas canvas)
{
// цикл для расчета коэффициента масштабирования координат X
RestrictiveFrame frame = plot.Frame;
float scalingFactor = base.GetXScalingFactor(parameters, frame);
double i = plot.Frame.GetFirstPointX();
float j = (float)parameters.Fmin;
while (j * scalingFactor <= parameters.Fmax * scalingFactor)
{
float x = j;
float y = plot.GetCenterPointOfYAxis();
// Встречаем отрицательную бесконечность на 1 шаге.
if (parameters.GetMagnitude(ParameterType.S12, x) == Double.NegativeInfinity)
{
i += 0.04f;
j += 0.04f;
continue;
}
// Инвертирование значений.
float currentPhase = (float)parameters.GetPhase(type, x);
y += -(currentPhase);
if (plot.FirstPointY + y >= plot.SecondPointY)
{
i += 0.04f;
j += 0.04f;
continue;
}
canvas.DrawPoint(plot.FirstPointX + x * scalingFactor, y, paint);
i += 0.04f;
j += 0.04f;
}
}
/// <summary>
/// Рисует определенные координаты.
/// </summary>
/// <param name="coordinates"></param>
/// <param name="parameters"></param>
/// <param name="frame"></param>
/// <param name="canvas"></param>
private void DrawMarks(TypeOfAxis type, Coordinates coordinates, Parameters parameters, RestrictiveFrame frame, SKCanvas canvas)
{
float xScalingFactor = base.GetXScalingFactor(parameters, frame);
float yScalingFactor = base.GetYScalingFactor(parameters, frame);
// Смещенная точка.
float shiftPoint = frame.GetFirstPointX() - frame.GetSecondPointX() * _margin;
byte quantityOfIterations = 0;
float number = 0;
float j = (float)parameters.Fmin;
double i = 0;
switch (type)
{
case TypeOfAxis.X:
i = frame.GetFirstPointX();
while (i <= frame.GetSecondPointX())
{
if (Convert.ToInt32(j) == Convert.ToInt32(parameters.Fmax))
{
break;
}
float x = j * xScalingFactor;
x += frame.GetFirstPointX();
// Через каждую 25-ю итерацию - целое число.
if (quantityOfIterations == 25)
{
number = Convert.ToInt32(j);
canvas.DrawText($"{number}", x, frame.GetSecondPointY() + frame.GetSecondPointY() * _margin, PaintsKeeper.paints["Text Paint"]);
// grid
canvas.DrawLine(x, frame.GetFirstPointY(), x, frame.GetSecondPointY(), frame.GridPaint);
quantityOfIterations = 0;
}
i += 0.04f;
j += 0.04f;
quantityOfIterations += 1;
}
canvas.DrawText($"{coordinates.NameOfXAxis}", frame.GetCenterPointX(), frame.GetSecondPointY() + 2 * frame.GetSecondPointY() * _margin, PaintsKeeper.paints["Text Paint"]);
break;
case TypeOfAxis.Y:
// 0
canvas.DrawText("0", shiftPoint, frame.GetCenterPointY(), PaintsKeeper.paints["Text Paint"]);
canvas.DrawLine(frame.GetFirstPointX(), frame.GetCenterPointY(), frame.GetSecondPointX(), frame.GetCenterPointY(), frame.Paint);
// положительная часть оси Y
float valueToShow = 0;
float currentPoint = frame.GetCenterPointY();
while (currentPoint >= frame.GetFirstPointY())
{
canvas.DrawText($"{valueToShow.ToString("#")}", shiftPoint, currentPoint, PaintsKeeper.paints["Text Paint"]);
// grid
canvas.DrawLine(frame.GetFirstPointX(), currentPoint, frame.GetSecondPointX(), currentPoint, frame.GridPaint);
valueToShow += 50;
currentPoint -= 50;
}
// отрицательная часть оси Y
valueToShow = 0;
currentPoint = frame.GetCenterPointY();
while (currentPoint <= frame.GetSecondPointY())
{
canvas.DrawText($"{valueToShow.ToString("#")}", shiftPoint, currentPoint, PaintsKeeper.paints["Text Paint"]);
// grid
canvas.DrawLine(frame.GetFirstPointX(), currentPoint, frame.GetSecondPointX(), currentPoint, frame.GridPaint);
valueToShow -= 50;
currentPoint += 50;
}
// Название оси
shiftPoint -= frame.GetSecondPointX() * _margin;
SKPath path = new SKPath();
path.MoveTo(shiftPoint, frame.GetCenterPointY());
path.LineTo(shiftPoint, frame.GetFirstPointY());
canvas.DrawTextOnPath($"{coordinates.NameOfYAxis}", path, 0, 0, PaintsKeeper.paints["Text Paint"]);
path.Close();
break;
}
}
