private void SetFormula_Click(object sender, RoutedEventArgs e)
{
cont.Width = Double.NaN;
cont.Height = Double.NaN;
cont.Formula = FormulaText.Text;
cont.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
cont.Width = cont.DesiredSize.Width;
cont.Height = cont.DesiredSize.Height;
}
public static async Task <string> GenerateImage(string formula)
{
string Build()
{
var control = new FormulaControl
{
Formula = formula
, Background = Brushes.White
};
control.Measure(new Size(300, 300));
control.Arrange(new Rect(new Size(300, 300)));
var bmp = new RenderTargetBitmap(300, 300, 96, 96, PixelFormats.Pbgra32);
bmp.Render(control);
var image = ImageCrop.AutoCrop(Convert(bmp));
var file = @"test.png";
image.Save(file, ImageFormat.Png);
return(file);
}
return(await Task.Factory.StartNew
(Build, CancellationToken.None, TaskCreationOptions.None, _StaTaskScheduler));
}
public void AddLevel5Control(Point p)
{
switch (ControlTag)
{
case 51:
{
Barcode con = new Barcode("Good Teacher", Class.Enumerators.BarcodeType.Barcode_Type.QRCode);
con.Width = 128;
con.Height = 128;
Panel.SetZIndex(con, 3);
con.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Canvas.SetLeft(con, p.X - con.DesiredSize.Width / 2);
Canvas.SetTop(con, p.Y - con.DesiredSize.Height / 2);
AddEvents(con);
DesignCanvas.Children.Add(con);
}
break;
case 52:
{
Barcode con = new Barcode("001234567890", Class.Enumerators.BarcodeType.Barcode_Type.EAN13);
con.Width = 256;
con.Height = 128;
Panel.SetZIndex(con, 3);
con.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Canvas.SetLeft(con, p.X - con.DesiredSize.Width / 2);
Canvas.SetTop(con, p.Y - con.DesiredSize.Height / 2);
con.RefreshBarcode();
AddEvents(con);
DesignCanvas.Children.Add(con);
}
break;
case 53:
{
Barcode con = new Barcode("55123457", Class.Enumerators.BarcodeType.Barcode_Type.EAN8);
con.Width = 192;
con.Height = 96;
Panel.SetZIndex(con, 3);
con.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Canvas.SetLeft(con, p.X - con.DesiredSize.Width / 2);
Canvas.SetTop(con, p.Y - con.DesiredSize.Height / 2);
con.RefreshBarcode();
AddEvents(con);
DesignCanvas.Children.Add(con);
}
break;
case 54:
{
Barcode con = new Barcode("Good Teacher", Class.Enumerators.BarcodeType.Barcode_Type.Code128);
con.Width = 384;
con.Height = 192;
Panel.SetZIndex(con, 3);
con.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Canvas.SetLeft(con, p.X - con.DesiredSize.Width / 2);
Canvas.SetTop(con, p.Y - con.DesiredSize.Height / 2);
con.RefreshBarcode();
AddEvents(con);
DesignCanvas.Children.Add(con);
}
break;
case 55:
{
Barcode con = new Barcode("0123456789", Class.Enumerators.BarcodeType.Barcode_Type.Codabar);
con.Width = 384;
con.Height = 192;
Panel.SetZIndex(con, 3);
con.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Canvas.SetLeft(con, p.X - con.DesiredSize.Width / 2);
Canvas.SetTop(con, p.Y - con.DesiredSize.Height / 2);
con.RefreshBarcode();
AddEvents(con);
DesignCanvas.Children.Add(con);
}
break;
case 56:
{
FormulaControl con = new FormulaControl();
con.Formula = "\\int_0^{\\infty}{x^{2n} e^{-a x^2} dx} = \\frac{2n-1}{2a} \\int_0^{\\infty}{x^{2(n-1)} e^{-a x^2} dx} = \\frac{(2n-1)!!}{2^{n+1}} \\sqrt{\\frac{\\pi}{a^{2n+1}}}";
Panel.SetZIndex(con, 2);
con.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
con.Width = con.DesiredSize.Width;
con.Height = con.DesiredSize.Height;
con.Background = new SolidColorBrush(Colors.Transparent);
Canvas.SetLeft(con, p.X - con.DesiredSize.Width / 2);
Canvas.SetTop(con, p.Y - con.DesiredSize.Height / 2);
AddEvents(con);
DesignCanvas.Children.Add(con);
}
break;
case 57:
{
InkCanvas_Control con = new InkCanvas_Control();
Panel.SetZIndex(con, 5);
con.Width = 600;
con.Height = 400;
con.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Canvas.SetLeft(con, p.X - con.DesiredSize.Width / 2);
Canvas.SetTop(con, p.Y - con.DesiredSize.Height / 2);
con.ControlPanelBack = new LinearGradientBrush(Color.FromRgb(162, 162, 162), Color.FromRgb(230, 230, 230), 90);
con.Name = "ID_" + data.pages[SelectedPosition].LastID++;
AddEvents(con);
DesignCanvas.Children.Add(con);
}
break;
case 58:
{
ScalableImage con = new ScalableImage();
Panel.SetZIndex(con, 5);
con.M_Img.Source = new BitmapImage(new Uri("pack://application:,,,/Resources/Controls/image.png"));
con.Width = 500;
con.Height = 400;
con.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
Canvas.SetLeft(con, p.X - con.DesiredSize.Width / 2);
Canvas.SetTop(con, p.Y - con.DesiredSize.Height / 2);
con.ControlPanelBack = new LinearGradientBrush(Colors.White, Color.FromRgb(236, 240, 241), 90);
con.Name = "ID_" + data.pages[SelectedPosition].LastID++;
AddEvents(con);
DesignCanvas.Children.Add(con);
}
break;
}
}