void CreateFromRawdataFile(string sourceTxtPath, string destinationPDFPath)
{
pdfdoc = new iTextSharp.text.Document();
pdfdoc.SetPageSize(currentPageSize);
gridCountInBlockRowHorizontal = (int)(currentPageSize.Width / gridSideLength);
blockRowHeight = gridSideLength * gridCountInBlockRowVertical;
blockRowCount = (int)(currentPageSize.Height / (blockRowHeight + blockRowInterval));
rawDataCountInBlockRow = (int)(gridCountInBlockRowHorizontal * 40 * 512 / 1000);
rawDataInterval = currentPageSize.Width / rawDataCountInBlockRow;
Debug.Log("gridCountInBlockRowHorizontal:" + gridCountInBlockRowHorizontal);
Debug.Log("rawDataCountInBlockRow" + rawDataCountInBlockRow);
if (File.Exists(destinationPDFPath))
{
File.Delete(destinationPDFPath);
}
pdfwriter = iTextSharp.text.pdf.PdfWriter.GetInstance(pdfdoc, new FileStream(destinationPDFPath, FileMode.CreateNew));
pdfdoc.Open();
iTextSharp.text.pdf.PdfContentByte cb = pdfwriter.DirectContent;
pdfdoc.NewPage();
blockRowIndex = 0;
rawDataIndex = 0;
iTextSharp.text.pdf.BaseFont font = iTextSharp.text.pdf.BaseFont.CreateFont();
cb.SetFontAndSize(font, 60);
cb.BeginText();
cb.SetTextMatrix(100, currentPageSize.Height - 50);
cb.ShowText("Test String .......");
cb.EndText();
System.IO.StreamReader reader = new StreamReader(sourceTxtPath);
string theLine;
int rawData;
while (!reader.EndOfStream)
{
theLine = reader.ReadLine();
try{
rawData = int.Parse(theLine);
}catch (Exception e) {
Debug.Log("Exception");
continue;
}
rawData = rawData > maxRawData ? maxRawData : rawData;
rawData = rawData < -maxRawData ? -maxRawData : rawData;
scaledRawData = (rawData * (blockRowHeight / 2)) / maxRawData;
if (rawDataIndex == 0)
{
currentBaseLine = currentPageSize.Height - (firstBlockRowOffsetInVertical + blockRowIndex * (blockRowHeight + blockRowInterval) + (blockRowHeight / 2));
cb.SetColorStroke(iTextSharp.text.BaseColor.RED);
//draw horizontal lines
for (int i = 0; i <= gridCountInBlockRowVertical; i++)
{
if (i % 5 == 0)
{
cb.SetLineWidth(2.5f);
}
else
{
cb.SetLineWidth(0.5f);
}
cb.MoveTo(0, currentPageSize.Height - (firstBlockRowOffsetInVertical + blockRowIndex * (blockRowHeight + blockRowInterval) + i * gridSideLength));
cb.LineTo(currentPageSize.Width, currentPageSize.Height - (firstBlockRowOffsetInVertical + blockRowIndex * (blockRowHeight + blockRowInterval) + i * gridSideLength));
cb.Stroke();
}
//draw vertical lines
for (int j = 0; j <= gridCountInBlockRowHorizontal; j++)
{
if (j % 5 == 0)
{
cb.SetLineWidth(2.5f);
}
else
{
cb.SetLineWidth(0.5f);
}
cb.MoveTo(j * gridSideLength, currentPageSize.Height - (firstBlockRowOffsetInVertical + blockRowIndex * (blockRowHeight + blockRowInterval)));
cb.LineTo(j * gridSideLength, currentPageSize.Height - (firstBlockRowOffsetInVertical + blockRowIndex * (blockRowHeight + blockRowInterval) + blockRowHeight));
cb.Stroke();
}
//prepare to draw ECG
cb.SetLineWidth(1.5f);
cb.SetColorStroke(iTextSharp.text.BaseColor.BLACK);
cb.MoveTo(0, currentBaseLine);
}
cb.LineTo(rawDataIndex * rawDataInterval, currentBaseLine + scaledRawData);
rawDataIndex++;
if (rawDataIndex >= rawDataCountInBlockRow)
{
cb.Stroke();
rawDataIndex = 0;
blockRowIndex++;
}
}
cb.Stroke();
reader.Close();
pdfdoc.Dispose();
System.Diagnostics.Process.Start(destinationPDFPath);
}