public static double PlotAreaToWorldAreaX(double x, PlotArea plotArea, WorldArea worldArea)
{
return(worldArea.XMin + (((x - plotArea.XMin) * (worldArea.XMax - worldArea.XMin)) / (plotArea.XMax - plotArea.XMin)));;
}
public static double PlotAreaToWorldAreaY(double y, PlotArea plotArea, WorldArea worldArea)
{
return(worldArea.YMin - (((y - plotArea.YMax) * (worldArea.YMax - worldArea.YMin)) / (plotArea.YMax - plotArea.YMin)));
}
public static Point PlotAreaToWorldArea(Point point, PlotArea plotArea, WorldArea worldArea)
{
return(PlotAreaToWorldArea(point.X, point.Y, plotArea, worldArea));
}
public static double WorldAreaToPlotAreaY(double y, PlotArea plotArea, WorldArea worldArea)
{
return(plotArea.YMax - (((y - worldArea.YMin) * (plotArea.YMax - plotArea.YMin)) / (worldArea.YMax - worldArea.YMin)));
}
public static Point WorldAreaToPlotArea(double x, double y, PlotArea plotArea, WorldArea worldArea)
{
double px, py;
px = plotArea.XMin + (((x - worldArea.XMin) * (plotArea.XMax - plotArea.XMin)) / (worldArea.XMax - worldArea.XMin));
py = plotArea.YMax - (((y - worldArea.YMin) * (plotArea.YMax - plotArea.YMin)) / (worldArea.YMax - worldArea.YMin));
return(new Point(px, py));
}
public static Point PlotAreaToWorldArea(double x, double y, PlotArea plotArea, WorldArea worldArea)
{
double wx, wy;
wx = worldArea.XMin + (((x - plotArea.XMin) * (worldArea.XMax - worldArea.XMin)) / (plotArea.XMax - plotArea.XMin));
wy = worldArea.YMin - (((y - plotArea.YMax) * (worldArea.YMax - worldArea.YMin)) / (plotArea.YMax - plotArea.YMin));
return(new Point(wx, wy));
}
// private object _selectedSpline;
//private FunctionComboBoxViewModel functionComboBoxViewModel;
/**********************/
public MainPage()
{
InitializeComponent();
this.DrawPrecision = DEFAULT_DRAW_PRECISION;
this.RedrawingPrecision = DEFAULT_REDRAWING_PRECISION;
//functionComboBoxViewModel = new FunctionComboBoxViewModel();
_plotArea = new PlotArea(PLOT_AREA_MIN_X, PLOT_AREA_MAX_X, PLOT_AREA_MIN_Y, PLOT_AREA_MAX_Y);
_worldArea = new WorldArea(WORLD_AREA_DEFAULT_MIN_XY, WORLD_AREA_DEFAULT_MAX_XY, WORLD_AREA_DEFAULT_MIN_XY, WORLD_AREA_DEFAULT_MAX_XY);
// _pa.x_min = 0; _pa.x_max = 775; _pa.y_min = 0; _pa.y_max = 575; _wa.x_min = -10; _wa.x_max = 10; _wa.y_min = -10; _wa.y_max = 10;
_engine = new SplineDrawer(canvas1, _plotArea, _worldArea, DrawPrecision);
//_auxiliaryEngine = new AuxiliaryDrawer(canvas1);
_isMoving = false;
_waZeroPointInPACoordinates = TransformCoordinates.WorldAreaToPlotArea(0, 0, _plotArea, _worldArea);
_parser = new Parser();
InitSplineLists();
_canvasUtilities = new CanvasUtilities(_plotArea, _worldArea);
_openFileDialog = new OpenFileDialog();
_saveFileDialog = new SaveFileDialog();
InitColors();
FunctionSelect_ComboBox.SelectedIndex = 0;
_dragInfoLabel = new DragInfoLabel(CANVAS_TEXT_COLOR);
//_dragInfoLabel.Margin = new Thickness(20, 30, 0, 0);
//_dragInfoLabel.Content = "SDAS";
canvas1.Children.Add(_dragInfoLabel);
_dragInfoLabel.Visibility = Visibility.Collapsed;
VersionLabel.Content = Version();
try
{
this._saveFileDialog.DefaultExt = ".spline";
this._openFileDialog.Filter = "Spline Files|*.spline";
this._openFileDialog.FilterIndex = 2;
this._saveFileDialog.Filter = "Spline Files|*.spline";
this._saveFileDialog.FilterIndex = 2;
// this._saveFileDialog.DefaultFileName = "newSplines.spline";
}
catch (Exception)
{
}
DefaultCanvas();
//var s = BSpline.ServiceKnots(new double[] {2,3.75,5},3,true);
// _engine.BellFunctionOfDegree3(0, 1, 2, 3, 4);
// _engine.BSplineBasisFunctionsOfDegree3(0, 1, 2, 3, 4, 5, 6, 7);
//_engine.BSplineBasisFunction(new double[]{0, 1, 2, 3, 4, 5, 6, 7});
// double[] knots = new double[] {-1,1,2,2.5, 3, 4, 5, 6};
// Tuple<double[][], double[]> A = GlobalBSplineMatrix(3, knots);
// double[][] B = A.Item1; //MathMyUtils.MatrixInvert(A.Item1);
// //double[][] F = MathMyUtils.MatrixInvert(B);
//// double[][] C = MathMyUtils.TransposeMatrix(B);
//// //double[][] D = MathMyUtils.MatrixInvert(MathMyUtils.MultiplyMatrices(C, B));
//// //double[][] E = MathMyUtils.MultiplyMatrices(B, C);
////// double[][] YMatrix = MathMyUtils.ArrayToMatrix(knotsFunctionValues);
// for (int i = 0; i < B.Length; i++)
// {
// String s = "";
// for (int j = 0; j < B[i].Length; j++)
// {
// s += B[i][j].ToString() + " | ";
// }
// System.Diagnostics.Debug.WriteLine(s);
// }
}
public new Tuple <double, double, double, double> Range_MinX_MaxX_MinY_MaxY(PlotArea plotArea, WorldArea worldArea)
{
double minX = double.MaxValue;
double maxX = double.MinValue;
double minY = double.MaxValue;
double maxY = double.MinValue;
for (int i = 0; i < LinesOfSpline.Count; i++)
{
var X1 = TransformCoordinates.PlotAreaToWorldAreaX(LinesOfSpline[i].X1, plotArea, worldArea);
var X2 = TransformCoordinates.PlotAreaToWorldAreaX(LinesOfSpline[i].X2, plotArea, worldArea);
var Y1 = TransformCoordinates.PlotAreaToWorldAreaY(LinesOfSpline[i].Y1, plotArea, worldArea);
var Y2 = TransformCoordinates.PlotAreaToWorldAreaY(LinesOfSpline[i].Y2, plotArea, worldArea);
if (X1 < minX)
{
minX = X1;
}
if (X2 > maxX)
{
maxX = X2;
}
if (Y1 < minY)
{
minY = Y1;
}
if (Y2 > maxY)
{
maxY = Y2;
}
}
//for (int i = 0; i < DragEllipses.Count; i++)
//{
// var X = TransformCoordinates.PlotAreaToWorldAreaX(DragEllipses[i]., plotArea, worldArea);
// var Y = TransformCoordinates.PlotAreaToWorldAreaY(DragEllipses[i].X2, plotArea, worldArea);
//}
return(Tuple.Create(minX, maxX, minY, maxY));
}
public CanvasUtilities(PlotArea plotArea, WorldArea worldArea)
{
this._plotArea = plotArea;
this._worldArea = worldArea;
}
public SplineDrawer(Canvas canvas, PlotArea pa, WorldArea wa, double drawPrecision, AuxiliaryDrawer auxiliaryEngine)
{
Initialize(canvas, pa, wa, drawPrecision);
_auxiliaryEngine = auxiliaryEngine;
}
public SplineDrawer(Canvas canvas, PlotArea pa, WorldArea wa, double drawPrecision)
{
Initialize(canvas, pa, wa, drawPrecision);
//DrawPrecisionDiv2 = DrawPrecisionDiv2 / 2;
_auxiliaryEngine = new AuxiliaryDrawer(canvas);
}