/// <summary>
/// Draws the viewmodel on a pdf page.
/// </summary>
/// <param name="drawnItems"></param>
/// <param name="widthHeightRatio"></param>
public void DrawSingleOntoPage(PdfPage page, KeyValuePair <AnalysableImageViewModel, ExportReportAsPdfArguments> exportableVmToArgs)
{
// Setup data.
var viewModel = exportableVmToArgs.Key;
var drawnItems = new List <FrameworkElement>();
foreach (var o in exportableVmToArgs.Value.DrawnObjects)
{
if (o is FrameworkElement el)
{
drawnItems.Add(el);
}
}
var widthHeightRatio = exportableVmToArgs.Value.WidthHeightRatio;
// Then draw the items onto the image.
var analysedImage = BitmapHelper.DrawFrameworkElementsOntoBitmap(
drawnItems,
BitmapHelper.BitmapImage2Bitmap(viewModel.CleanImageCopy),
widthHeightRatio.Item1,
widthHeightRatio.Item2);
// Draw Image ============================================================================================================
#region Setup and draw image
//Create PDF graphics for a page
PdfGraphics graphics = page.Graphics;
// Draw name of the image.
var subheaderFont = new PdfStandardFont(PdfFontFamily.Courier, 14);
var subheader = viewModel.ImageName;
var subheaderFontSize = subheaderFont.MeasureString(subheader);
graphics.DrawString(subheader, subheaderFont, PdfBrushes.Black, new PointF(260 - subheaderFontSize.Width / 2, 0));
//Draw the analysed image
PdfBitmap pdfImage = new PdfBitmap(analysedImage);
// Scale the picture right so its not uneven
double widthHeightRate = (double)analysedImage.Width / (double)analysedImage.Height;
float height = (float)(520 / widthHeightRate); // +10 because of the title we draw before it.
graphics.DrawImage(pdfImage, 0, 20, 520, (int)height); // max width of pdf: 520! Adjust the height accordingly.
height += 20;
#endregion
// Draw Comments =========================================================================================================
#region Draw comments
// Draw the comments ====================================================================================
// table
var pdfGrid = new PdfGrid();
var dataTable = new DataTable();
dataTable.Columns.Add("Comments");
foreach (var comment in viewModel.Comments)
{
dataTable.Rows.Add(comment);
}
pdfGrid.DataSource = dataTable;
pdfGrid.Headers[0].Style = new PdfGridCellStyle()
{
BackgroundBrush = PdfBrushes.LightBlue
};
pdfGrid.Style.Font = new PdfStandardFont(PdfFontFamily.Courier, 10);
// pdfGridLayout contains x,y,widht and height coordiantes of the drawn datatable!
var pdfGridLayout = pdfGrid.Draw(page, new PointF(0, height + 10));
height += pdfGridLayout.Bounds.Height;
#endregion
//Draw the metadata as a table ===========================================================================================
#region Draw metadata
// title first
subheaderFont = new PdfStandardFont(PdfFontFamily.Courier, 14);
subheader = "Metadata";
subheaderFontSize = subheaderFont.MeasureString(subheader);
height += 10;
graphics.DrawString(subheader, subheaderFont, PdfBrushes.Black, new PointF(260 - subheaderFontSize.Width / 2, height));
// then table
pdfGrid = new PdfGrid();
dataTable = new DataTable();
dataTable.Columns.Add("Name");
dataTable.Columns.Add("Value");
foreach (var pair in viewModel.Metadata)
{
dataTable.Rows.Add(pair.Key, pair.Value);
}
pdfGrid.DataSource = dataTable;
pdfGrid.Headers[0].Style = new PdfGridCellStyle()
{
BackgroundBrush = PdfBrushes.LightBlue
};
pdfGrid.Style.Font = new PdfStandardFont(PdfFontFamily.Courier, 10);
// Keep track of the currently used height
height += subheaderFontSize.Height + 10;
// pdfGridLayout contains x,y,widht and height coordiantes of the drawn datatable!
pdfGridLayout = pdfGrid.Draw(page, new PointF(0, height));
#endregion
//Draw the additonal information as a table ==============================================================================
#region Draw Additional Information
// title
var pdfTextElement = new PdfTextElement("Additonal Information", new PdfStandardFont(PdfFontFamily.Courier, 14));
subheaderFontSize = subheaderFont.MeasureString(pdfTextElement.Text);
pdfTextElement.Draw(pdfGridLayout.Page, new PointF(260 - subheaderFontSize.Width / 2, pdfGridLayout.Bounds.Height + 10));
dataTable = new DataTable();
dataTable.Columns.Add("Name");
dataTable.Columns.Add("Value");
foreach (var tuple in viewModel.AdditionalInformation)
{
dataTable.Rows.Add(tuple.Item1, tuple.Item2);
}
pdfGrid.DataSource = dataTable;
pdfGrid.Headers[0].Style = new PdfGridCellStyle()
{
BackgroundBrush = PdfBrushes.LightBlue
};
// Keep track of the currently used height
pdfGridLayout = pdfGrid.Draw(pdfGridLayout.Page, new PointF(0, pdfGridLayout.Bounds.Height + 30));
#endregion
}