private void RefreshPreview(string propertyName)
{
if (propertyName != "Preview" && !string.IsNullOrEmpty(selectedFormat.Trim()))
{
DatePrinterLayer datePrinterLayer = new DatePrinterLayer();
datePrinterLayer.LoadFromViewModel(this);
using (Bitmap bitmap = new Bitmap(460, 50))
{
PlatformGeoCanvas canvas = new PlatformGeoCanvas();
canvas.BeginDrawing(bitmap, new RectangleShape(-180, 90, 180, -90), GeographyUnit.Meter);
datePrinterLayer.SafeProcess(() =>
{
datePrinterLayer.Draw(canvas, new Collection <SimpleCandidate>());
});
canvas.EndDrawing();
MemoryStream ms = new MemoryStream();
bitmap.Save(ms, ImageFormat.Png);
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.StreamSource = ms;
bitmapImage.EndInit();
preview = bitmapImage;
RaisePropertyChanged(() => Preview);
}
}
}
public static void LoadFromViewModel(this DatePrinterLayer datePrinterLayer, DateElementViewModel dateElementViewModel)
{
DrawingFontStyles drawingFontStyles = DrawingFontStyles.Regular;
if (dateElementViewModel.IsBold)
{
drawingFontStyles = drawingFontStyles | DrawingFontStyles.Bold;
}
if (dateElementViewModel.IsItalic)
{
drawingFontStyles = drawingFontStyles | DrawingFontStyles.Italic;
}
if (dateElementViewModel.IsStrikeout)
{
drawingFontStyles = drawingFontStyles | DrawingFontStyles.Strikeout;
}
if (dateElementViewModel.IsUnderline)
{
drawingFontStyles = drawingFontStyles | DrawingFontStyles.Underline;
}
GeoFont font = new GeoFont(dateElementViewModel.FontName.Source, dateElementViewModel.FontSize, drawingFontStyles);
datePrinterLayer.DateString = dateElementViewModel.SelectedFormat;
datePrinterLayer.DateFormat = dateElementViewModel.FormatPairs[dateElementViewModel.SelectedFormat];
datePrinterLayer.Font = font;
datePrinterLayer.TextBrush = dateElementViewModel.FontColor;
datePrinterLayer.DragMode = dateElementViewModel.DragMode;
datePrinterLayer.ResizeMode = dateElementViewModel.ResizeMode;
}
internal void SetProperties(DatePrinterLayer printerLayer)
{
viewModel.SelectedFormat = DateElementViewModel.DefaultDate.ToString(printerLayer.DateFormat);
viewModel.FontName = new FontFamily(printerLayer.Font.FontName);
viewModel.FontSize = printerLayer.Font.Size;
viewModel.IsBold = (printerLayer.Font.Style & DrawingFontStyles.Bold) == DrawingFontStyles.Bold;
viewModel.IsItalic = (printerLayer.Font.Style & DrawingFontStyles.Italic) == DrawingFontStyles.Italic;
viewModel.IsStrikeout = (printerLayer.Font.Style & DrawingFontStyles.Strikeout) == DrawingFontStyles.Strikeout;
viewModel.IsUnderline = (printerLayer.Font.Style & DrawingFontStyles.Underline) == DrawingFontStyles.Underline;
viewModel.FontColor = printerLayer.TextBrush;
viewModel.DragMode = printerLayer.DragMode;
viewModel.ResizeMode = printerLayer.ResizeMode;
}
public static DatePrinterLayer GetCurrentDatePrinterLayer(double width, double height, double centerX, double centerY)
{
DatePrinterLayer datePrinterLayer = new DatePrinterLayer {
DrawingExceptionMode = DrawingExceptionMode.DrawException
};
datePrinterLayer.LoadFromViewModel(new DateElementViewModel()
{
SelectedFormat = DateTime.Now.ToShortDateString(), FontSize = 12
});
datePrinterLayer.Open();
datePrinterLayer.SetPosition(width, height, centerX, centerY, PrintingUnit.Inch);
return(datePrinterLayer);
}
