private void SettingsButton_Click(object sender, RoutedEventArgs e)
{
FuncRect funcRect = viewModel.FuncRect;
RepresentationLimitsWindow representatitonLimits = new RepresentationLimitsWindow()
{
Xmin = funcRect.XMin,
Xmax = funcRect.XMax,
Ymin = funcRect.YMin,
Ymax = funcRect.YMax
};
representatitonLimits.ShowDialog();
if (false == representatitonLimits.DialogResult)
{
return;
}
funcRect.XMin = representatitonLimits.Xmin;
funcRect.XMax = representatitonLimits.Xmax;
funcRect.YMin = representatitonLimits.Ymin;
funcRect.YMax = representatitonLimits.Ymax;
viewModel.FuncRect = funcRect;
}
public Line[] DrawAxis(FuncRect real, FuncRect screen)
{
Line[] arrayOfAxis = new Line[2];
Line axisX = new Line
{
Stroke = Brushes.Black,
X1 = 0,
X2 = screen.XMax,
Y1 = ConvertYFromRealToPant(0, 0, screen, real),
Y2 = ConvertYFromRealToPant(0, 0, screen, real)
};
Line axisY = new Line
{
Stroke = Brushes.Black,
Y1 = 0,
Y2 = screen.YMax,
X1 = ConvertXFromRealToPant(0, 0, screen, real),
X2 = ConvertXFromRealToPant(0, 0, screen, real)
};
arrayOfAxis[0] = axisX;
arrayOfAxis[1] = axisY;
return(arrayOfAxis);
}
private void ViewModel_GraphicSetToDraw(object sender, ViewModelEventArgs e)
{
PointCollection[] graphicRepresentation = null;
List <Polyline> listOfLines = null;
List <Graphic> listOfGraphicsToRepresent = (List <Graphic>)e.ListOfGraphics;
FuncRect funcR = viewModel.FuncRect;
RepresentationCanvas.Children.Clear();
DrawAxisAndLines();
if (graphicRepresentationDictionary == null) // Para que no se dibuje nada en el sizeChanged
{
graphicRepresentationDictionary = new Dictionary <Graphic, List <Polyline> >();
}
graphicRepresentationDictionary.Clear();
foreach (Graphic g in listOfGraphicsToRepresent)
{
if (graphicRepresentationDictionary.ContainsKey(g) && g != null)
{
listOfLines = graphicRepresentationDictionary[g];
foreach (Polyline line in listOfLines)
{
RepresentationCanvas.Children.Add(line);
}
}
else
{
listOfLines = new List <Polyline>();
graphicRepresentation = FunctionRepresentationVar.DrawGraphic(g, RepresentationCanvas.ActualWidth, RepresentationCanvas.ActualHeight, funcR);
foreach (PointCollection p in graphicRepresentation)
{
Polyline line = new Polyline()
{
Points = p,
Stroke = new SolidColorBrush(g.GraphicColor)
};
listOfLines.Add(line);
}
graphicRepresentationDictionary.Add(g, listOfLines);
foreach (Polyline line in listOfLines)
{
RepresentationCanvas.Children.Add(line);
}
}
}
}
public List <Line> DrawAxisLines(FuncRect screen, FuncRect real, double actualPos, double maxLimit, double distancia, Boolean axisHorizontal)
{
int counter = 3;
List <Line> listOflines = new List <Line>();
Line line = new Line {
Stroke = Brushes.Black
};
double length1, length2;
while (actualPos < maxLimit)
{
// Altura de la raya de -0.5 a 0.5
if (counter == 3)
{
length1 = -0.5;
length2 = 0.5;
counter = 0;
}
else
{
length1 = -0.25;
length2 = 0.25;
}
if (axisHorizontal)
{
line.X1 = ConvertXFromRealToPant(actualPos, screen.XMin, screen, real);
line.X2 = ConvertXFromRealToPant(actualPos, screen.XMin, screen, real);
line.Y1 = ConvertYFromRealToPant(length1, screen.YMin, screen, real);
line.Y2 = ConvertYFromRealToPant(length2, screen.YMin, screen, real);
}
else
{
line.X1 = ConvertXFromRealToPant(length1, screen.XMin, screen, real);
line.X2 = ConvertXFromRealToPant(length2, screen.XMin, screen, real);
line.Y1 = ConvertYFromRealToPant(actualPos, screen.YMin, screen, real);
line.Y2 = ConvertYFromRealToPant(actualPos, screen.YMin, screen, real);
}
listOflines.Add(line);
actualPos += distancia;
line = new Line {
Stroke = Brushes.Black
};
counter++;
}
return(listOflines);
}
private void DrawAxisAndLines()
{
// Valores minimos y máximo reales del Canvas
real = FunctionRepresentationVar.DeclareFuncRect(-10, 10, -10, 10);
// Valores minimos y máximo de pantalla del Canvas
screen = FunctionRepresentationVar.DeclareFuncRect(0, RepresentationCanvas.ActualWidth, 0, RepresentationCanvas.ActualHeight);
Boolean ejeHorizontal = true;
Boolean ejeVertical = false;
double distancia = 0.333; //0.333
int numBlock = -11;
int count = 2;
double limitX = RepresentationCanvas.ActualWidth;
double limitY = RepresentationCanvas.ActualHeight;
// Eje X e Y
foreach (Line l in FunctionRepresentationVar.DrawAxis(real, screen))
{
RepresentationCanvas.Children.Add(l);
}
// Lineas Eje X
foreach (Line l in FunctionRepresentationVar.DrawAxisLines(screen, real, real.XMin, real.YMax, distancia, ejeHorizontal))
{
RepresentationCanvas.Children.Add(l);
++count;
if (count == 3)
{
++numBlock;
}
count = DrawNumberLines(l, numBlock, ejeHorizontal, count);
}
// Numero por el que empieza desde el límite del canvas
numBlock = -11;
// Lineas Eje Y
foreach (Line l in FunctionRepresentationVar.DrawAxisLines(screen, real, real.XMin, real.YMax, distancia, ejeVertical))
{
RepresentationCanvas.Children.Add(l);
++count;
if (count == 3)
{
++numBlock;
}
count = DrawNumberLines(l, numBlock, ejeVertical, count);
}
}
private void DrawGraphicsInList(Graphic graphic)
{
PointCollection[] graphicRepresentation = null;
List <Polyline> listOfLines = new List <Polyline>();
FuncRect funcR = viewModel.FuncRect;
graphicRepresentation = FunctionRepresentationVar.DrawGraphic(graphic, RepresentationCanvas.ActualWidth, RepresentationCanvas.ActualHeight, funcR);
foreach (PointCollection p in graphicRepresentation)
{
Polyline line = new Polyline()
{
Points = p,
Stroke = new SolidColorBrush(graphic.GraphicColor)
};
listOfLines.Add(line);
}
graphicRepresentationDictionary.Add(graphic, listOfLines);
foreach (Polyline line in listOfLines)
{
RepresentationCanvas.Children.Add(line);
}
}
public double ConvertYFromPantToReal(double ypant, double height, FuncRect screen, FuncRect real)
{
return((real.YMax - real.YMin) * ((ypant - screen.YMax) / (screen.YMin - screen.YMax)) + real.YMin);
}
public double ConvertXFromPantToReal(double xpant, double width, FuncRect screen, FuncRect real)
{
return((real.XMax - real.XMin) * ((xpant - screen.XMin) / (screen.XMax - screen.XMin)) + real.XMin);
}
public double ConvertYFromRealToPant(double yreal, double height, FuncRect screen, FuncRect real)
{
return((height - screen.YMax) * ((yreal - real.YMin) / (real.YMax - real.YMin)) + screen.YMax);
}
public double ConvertXFromRealToPant(double xreal, double width, FuncRect screen, FuncRect real)
{
return((screen.XMax - width) * ((xreal - real.XMin) / (real.XMax - real.XMin)) + screen.XMin);
}
public PointCollection[] DrawGraphic(Graphic g, double canvasWidth, double canvasHeight, FuncRect funcRect)
{
PointCollection points = new PointCollection();
Polyline graphicPolyline = new Polyline();
double xReal, yReal, xScreen, yScreen;
/* Sustituyo el FuncRect real por los limites que ha introducido el usuario (en caso de que los modifique) */
FuncRect real = funcRect;
FuncRect screen = DeclareFuncRect(0, canvasWidth, 0, canvasHeight);
int numberOfPoints = (int)screen.XMax;
int i = 0;
int j = 0;
int limit = 0;
if (g.Function.Formula.Equals(ExponentialFunction.GetFormula()) && g.ParamB < 0 ||
g.Function.Formula.Equals(FractionalFunction.GetFormula()))
{
PointCollection[] listOfPoints = new PointCollection[2];
while (j < 2)
{
do
{
i++;
xReal = real.XMin + i * (real.XMax - real.XMin) / numberOfPoints;
yReal = g.Function.CalculateF(xReal);
xScreen = ConvertXFromRealToPant(xReal, screen.XMin, screen, real);
yScreen = ConvertYFromRealToPant(yReal, screen.YMin, screen, real);
points.Add(new Point(xScreen, yScreen));
} while (Convert.ToInt32(xReal) < limit);
listOfPoints[j] = points;
points = new PointCollection();
j++;
xReal += 1;
limit = (int)real.XMax;
i = (int)(-(real.XMin) * numberOfPoints / (real.XMax - real.XMin));
}
return(listOfPoints);
}
else
{
PointCollection[] listOfPoints = new PointCollection[1];
for (i = 0; i <= numberOfPoints; i++)
{
xReal = real.XMin + i * (real.XMax - real.XMin) / numberOfPoints;
yReal = g.Function.CalculateF(xReal);
xScreen = ConvertXFromRealToPant(xReal, screen.XMin, screen, real);
yScreen = ConvertYFromRealToPant(yReal, screen.YMin, screen, real);
points.Add(new Point(xScreen, yScreen));
}
listOfPoints[0] = points;
return(listOfPoints);
}
}