/// <summary>
/// Main method for running the sample.
/// </summary>
public static SampleOutputInfo[] Run(Stream input)
{
PdfBrush brush = new PdfBrush();
PdfPen redPen = new PdfPen(PdfRgbColor.Red, 1);
PdfStandardFont helvetica = new PdfStandardFont(PdfStandardFontFace.Helvetica, 10);
PdfFixedDocument document = new PdfFixedDocument(input);
PdfContentExtractor ce = new PdfContentExtractor(document.Pages[0]);
PdfVisualObjectCollection voc = ce.ExtractVisualObjects(false);
PdfPath contour = null;
for (int i = 0; i < voc.Count; i++)
{
switch (voc[i].Type)
{
case PdfVisualObjectType.Image:
PdfImageVisualObject ivo = voc[i] as PdfImageVisualObject;
contour = new PdfPath();
contour.StartSubpath(ivo.Image.ImageCorners[0].X - 5, ivo.Image.ImageCorners[0].Y + 5);
contour.AddLineTo(ivo.Image.ImageCorners[1].X + 5, ivo.Image.ImageCorners[1].Y + 5);
contour.AddLineTo(ivo.Image.ImageCorners[2].X + 5, ivo.Image.ImageCorners[2].Y - 5);
contour.AddLineTo(ivo.Image.ImageCorners[3].X - 5, ivo.Image.ImageCorners[3].Y - 5);
contour.CloseSubpath();
document.Pages[0].Graphics.DrawPath(redPen, contour);
document.Pages[0].Graphics.DrawString("Image", helvetica, brush,
ivo.Image.ImageCorners[0].X - 5, ivo.Image.ImageCorners[0].Y + 5);
break;
case PdfVisualObjectType.Text:
PdfTextVisualObject tvo = voc[i] as PdfTextVisualObject;
contour = new PdfPath();
contour.StartSubpath(tvo.TextFragment.FragmentCorners[0].X - 5, tvo.TextFragment.FragmentCorners[0].Y + 5);
contour.AddLineTo(tvo.TextFragment.FragmentCorners[1].X + 5, tvo.TextFragment.FragmentCorners[1].Y + 5);
contour.AddLineTo(tvo.TextFragment.FragmentCorners[2].X + 5, tvo.TextFragment.FragmentCorners[2].Y - 5);
contour.AddLineTo(tvo.TextFragment.FragmentCorners[3].X - 5, tvo.TextFragment.FragmentCorners[3].Y - 5);
contour.CloseSubpath();
document.Pages[0].Graphics.DrawPath(redPen, contour);
document.Pages[0].Graphics.DrawString("Text", helvetica, brush,
tvo.TextFragment.FragmentCorners[0].X - 5, tvo.TextFragment.FragmentCorners[0].Y + 5);
break;
case PdfVisualObjectType.Path:
PdfPathVisualObject pvo = voc[i] as PdfPathVisualObject;
// Examine all the path points and determine the minimum rectangle that bounds the path.
double minX = 999999, minY = 999999, maxX = -999999, maxY = -999999;
for (int j = 0; j < pvo.PathItems.Count; j++)
{
PdfPathItem pi = pvo.PathItems[j];
if (pi.Points != null)
{
for (int k = 0; k < pi.Points.Length; k++)
{
if (minX >= pi.Points[k].X)
{
minX = pi.Points[k].X;
}
if (minY >= pi.Points[k].Y)
{
minY = pi.Points[k].Y;
}
if (maxX <= pi.Points[k].X)
{
maxX = pi.Points[k].X;
}
if (maxY <= pi.Points[k].Y)
{
maxY = pi.Points[k].Y;
}
}
}
}
contour = new PdfPath();
contour.StartSubpath(minX - 5, minY - 5);
contour.AddLineTo(maxX + 5, minY - 5);
contour.AddLineTo(maxX + 5, maxY + 5);
contour.AddLineTo(minX - 5, maxY + 5);
contour.CloseSubpath();
document.Pages[0].Graphics.DrawPath(redPen, contour);
document.Pages[0].Graphics.DrawString("Path", helvetica, brush, minX - 5, maxY + 5);
// Skip the rest of path objects, they are the evaluation message
i = voc.Count;
break;
}
}
SampleOutputInfo[] output = new SampleOutputInfo[] { new SampleOutputInfo(document, "xfinium.pdf.sample.pageobjects.pdf") };
return(output);
}
public void getObjectsFromPDF(string PDFFileName, out double PDFPageWidth, out double PDFPageHeight)
{
FileStream pageObjectsInput = new FileStream(PDFFileName, FileMode.Open, FileAccess.Read, FileShare.Read);
PdfFixedDocument document = new PdfFixedDocument(pageObjectsInput);
PdfPage DisplayPage = document.Pages[0];
PDFPageWidth = document.Pages[0].Width;
PDFPageHeight = document.Pages[0].Height;
PdfContentExtractor ce = new PdfContentExtractor(DisplayPage);
PdfVisualObjectCollection voc = ce.ExtractVisualObjects(false);
DataBase.DB DocObjects = new DataBase.DB();
DocObjects.TruncateObjects(); // delete any data that might be in database
for (int i = 0; i < voc.Count; i++)
{
switch (voc[i].Type)
{
case PdfVisualObjectType.Image:
PdfImageVisualObject ivo = voc[i] as PdfImageVisualObject;
//add image ocr here
DocObjects.InsertObjectRow("Image", ivo.Image.ImageID, "", "",
ivo.Image.ImageCorners[0].X, ivo.Image.ImageCorners[0].Y,
ivo.Image.ImageCorners[1].X, ivo.Image.ImageCorners[1].Y,
ivo.Image.ImageCorners[2].X, ivo.Image.ImageCorners[2].Y,
ivo.Image.ImageCorners[3].X, ivo.Image.ImageCorners[3].Y);
break;
case PdfVisualObjectType.Text:
PdfTextVisualObject tvo = voc[i] as PdfTextVisualObject;
string Translated_Text = "";
int Object_ID = DocObjects.InsertObjectRow("Text", tvo.TextFragment.Text, "", Translated_Text,
tvo.TextFragment.FragmentCorners[0].X, tvo.TextFragment.FragmentCorners[0].Y,
tvo.TextFragment.FragmentCorners[1].X, tvo.TextFragment.FragmentCorners[1].Y,
tvo.TextFragment.FragmentCorners[2].X, tvo.TextFragment.FragmentCorners[2].Y,
tvo.TextFragment.FragmentCorners[3].X, tvo.TextFragment.FragmentCorners[3].Y);
// int CharCtr = 0;
// foreach (Xfinium.Pdf.Content.PdfTextGlyph Character in tvo.TextFragment.Glyphs)
//{
// DocObjects.InsertInvoiceObjectDetail(Object_ID, CharCtr, Character.Text, Character.GlyphCorners[0].X, Character.Width, Character.GlyphCorners[0].Y, tvo.TextFragment.FragmentCorners[3].Y);
// CharCtr++;
// }
break;
case PdfVisualObjectType.Path:
PdfPathVisualObject pvo = voc[i] as PdfPathVisualObject;
// Examine all the path points and determine the minimum rectangle that bounds the path.
double minX = 999999, minY = 999999, maxX = -999999, maxY = -999999;
for (int j = 0; j < pvo.PathItems.Count; j++)
{
PdfPathItem pi = pvo.PathItems[j];
if (pi.Points != null)
{
for (int k = 0; k < pi.Points.Length; k++)
{
if (minX >= pi.Points[k].X)
{
minX = pi.Points[k].X;
}
if (minY >= pi.Points[k].Y)
{
minY = pi.Points[k].Y;
}
if (maxX <= pi.Points[k].X)
{
maxX = pi.Points[k].X;
}
if (maxY <= pi.Points[k].Y)
{
maxY = pi.Points[k].Y;
}
}
}
DocObjects.InsertObjectRow("Path", pvo.ToString(), "", "", minX, minY, maxX, minY, minX, maxY, maxX, maxY);
}
break;
}
}
//DocObjects.FormTextObjects();
//DocObjects.FormLineObjects();
//DocObjects.FormCenteredObjects();
}
