/// <summary>
/// Clones the Plot2D object
/// </summary>
public override Plot Clone()
{
Plot2D p = new Plot2D(Model);
p.CopyFrom(this);
return(p);
}
/// <summary>
/// Recalculates the Painter.
/// </summary>
public override void Calc(Plot plot)
{
int X, Y;
Plot2D plot2D = (Plot2D)plot;
BitmapBuilder bmp = cache;
Rectangle r = plot2D.Bounds;
if (Recalc)
{
unsafe {
lock (this) {
int * pixel;
Color c;
bmp.Lock();
pixel = bmp.Pixel(r.X, r.Y);
for (Y = r.Y; Y < r.Y + r.Height; Y++)
{
if (plot2D.DrawStop)
{
break;
}
for (X = r.X; X < r.X + r.Width; X++)
{
if (plot2D.DrawStop)
{
break;
}
try {
c = F.f(plot2D.WorldCoordinateX(X), plot2D.WorldCoordinateY(Y));
} catch (ThreadAbortException ex) {
throw ex;
} catch (Exception e) {
if (F.ThrowOnErrors)
{
throw e;
}
else
{
c = Color.Transparent;
}
}
*pixel = c.ToArgb();
pixel++;
}
plot2D.Progress += r.Width;
}
bmp.Unlock();
}
}
Recalc = plot.DrawStop;
}
}
/// <summary>
/// Copies from another Plot2D object
/// </summary>
public void CopyFrom(Plot2D p)
{
base.CopyFrom(p);
fd = p.fd; fld = p.fld;
Model = p.Model;
}
/// <summary>
/// Recalculates the Painter
/// </summary>
public override void Calc(Plot plot)
{
int X, Y;
double z, dzinv;
Plot2D plot2D = (Plot2D)plot;
Rectangle r = plot2D.Bounds;
BitmapBuilder bmp;
//Color c;
if (Recalc)
{
dzinv = 1 / (Model.z1 - Model.z0);
unsafe {
bmp = cache;
bmp.Lock();
int *pixel = bmp.Pixel(r.X, r.Y);
for (Y = r.Y; Y < r.Y + r.Height; Y++)
{
if (plot2D.DrawStop)
{
break;
}
for (X = r.X; X < r.X + r.Width; X++)
{
if (plot2D.DrawStop)
{
break;
}
try {
z = (F.f(plot2D.WorldCoordinateX(X), plot2D.WorldCoordinateY(Y)) - Model.z0) * dzinv;
} catch (ThreadAbortException ex) {
throw ex;
} catch (Exception e) {
if (F.ThrowOnErrors)
{
throw e;
}
else
{
z = double.NaN;
}
}
if (double.IsInfinity(z) || double.IsNaN(z))
{
*pixel = Color.Transparent.ToArgb();
}
else
{
try {
*pixel = F.Gradient.Color(z).ToArgb();
} catch (ThreadAbortException ex) {
throw ex;
} catch {
*pixel = Color.Transparent.ToArgb();
}
}
pixel++;
}
plot2D.Progress += r.Width;
}
bmp.Unlock();
}
Recalc = plot2D.DrawStop;
}
}
/// <summary>
/// Recalculates the Painter.
/// </summary>
/// <param name="plot">The Plot to paint from</param>
public override void Calc(Plot plot)
{
Plot2D plot2D = (Plot2D)plot;
int X, Xp;
double x, y, x0, x1, xn;
float Y;
PointF[] points = new PointF[plot2D.Bounds.Width];
List <PointF[]> plist = cache;
if (Recalc)
{
x0 = x1 = Model.x0;
for (X = plot2D.Bounds.X, Xp = 0; X < plot2D.Bounds.X + plot2D.Bounds.Width; X++)
{
if (plot2D.DrawStop)
{
break;
}
x = plot2D.WorldCoordinateX(X);
try {
y = F.f(x);
} catch (ThreadAbortException ex) {
throw ex;
} catch (Exception e) {
if (F.ThrowOnErrors)
{
throw e;
}
else
{
y = double.NaN;
}
}
Y = plot2D.DeviceCoordinateY(y);
if (float.IsNaN(Y))
{
if (Xp > 0)
{
// search the y value where the function turns into NaN
BinSearchNaN(x1, x, out y, out xn);
points[Xp].X = plot2D.DeviceCoordinateX(xn);
points[Xp++].Y = plot2D.DeviceCoordinateY(y);
// insert the points into the cache
PointF[] copy = new PointF[Xp];
Array.Copy(points, copy, Xp);
lock (this) plist.Add(copy);
}
Xp = -1;
}
else
{
if (Xp == -1) // the last point was a NaN
// search the y value where the function turns into NaN
{
BinSearchNaN(x1, x, out y, out xn);
points[0].X = plot2D.DeviceCoordinateX(xn);
points[0].Y = plot2D.DeviceCoordinateY(y);
Xp = 1;
}
points[Xp].X = X;
points[Xp++].Y = Y;
}
x0 = x1;
x1 = x;
plot2D.Progress++;
}
if (Xp == plot2D.Bounds.Width)
{
lock (this) plist.Add(points);
}
else if (Xp > 0)
{
PointF[] copy = new PointF[Xp];
Array.Copy(points, copy, Xp);
lock (this) plist.Add(copy);
}
Recalc = plot2D.DrawStop;
}
}