private void AddMetadata(PdfMetadata pdfMetadata)
{
PdfMetadata = pdfMetadata;
pdfMetadata.UpdateObjectNumber(ObjectNumber);
PdfObjects.Add(pdfMetadata);
ObjectNumber++;
}
public void AddImage(string fileName, float x, float y, float width, float height)
{
PdfFont font = new PdfFont(ObjectNumber, "Times-Roman");
PdfObjects.Add(font);
ObjectNumber++;
// TODO: add image support
PdfImage image = new PdfImage(ObjectNumber, fileName, width, height);
PdfObjects.Add(image);
ObjectNumber++;
PdfObject procSet = new PdfObject(ObjectNumber);
procSet.Dictionary.Add("ProcSet", $"[/PDF /Text /ImageB /ImageC /ImageI]");
procSet.Dictionary.Add("Font", $"<< {font.Name} {font.PdfReference()} >>");
procSet.Dictionary.Add("XObject", $"<< {image.Name} {image.PdfReference()} >>");
PdfObjects.Add(procSet);
ObjectNumber++;
PdfImageTransform pdfImageTransform = new PdfImageTransform(ObjectNumber, fileName, image.Name, x, y, width, height, CurrentPage.MediaBox);
PdfObjects.Add(pdfImageTransform);
ObjectNumber++;
CurrentPage.AddResources(procSet);
CurrentPage.AddContent(pdfImageTransform);
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.Append($"xref\n");
sb.Append($"{0} {PdfObjects.Count + 1}\n");
// Format
//0000000000 65535 f
int i = 0;
sb.Append($"0000000000 65535 f\n");
PdfObjects.ForEach(obj =>
{
var bytesCount = BytesCount(this.Pdf, obj.CrossSectionReference());
var byteOffset = bytesCount.ToString().PadLeft(10, '0');
var generationNumber = "00000";
var flags = "n"; // f or n free or in use
sb.Append($"{byteOffset} {generationNumber} {flags}\n");
i++;
});
return(sb.ToString());
}
public void AddPage(MediaBox mediaBox = null)
{
mediaBox = ValueOrDefault <MediaBox>(mediaBox, MediaBoxDefaultValue);
CurrentPage = new PdfPage(ObjectNumber, Pages, mediaBox);
Pages.AddPage(CurrentPage);
PdfObjects.Add(CurrentPage);
ObjectNumber++;
}
public Pdf(
MediaBox mediaBox = null,
string version = "1.7",
PageLayout pageLayout = PageLayout.OneColumn,
PdfMetadata pdfMetadata = null)
{
Version = version;
Pages = new PdfPages(ObjectNumber); // Move to function
PdfObjects.Add(Pages);
ObjectNumber++;
Catalog = new PdfCatalog(ObjectNumber, this.Pages, pageLayout); // Move to function
PdfObjects.Add(Catalog);
ObjectNumber++;
this.AddPage(mediaBox);
}
public void AddText(string text, int x, int y)
{
PdfFont font = new PdfFont(ObjectNumber, "Times-Roman");
PdfObjects.Add(font);
ObjectNumber++;
PdfObject procSet = new PdfObject(ObjectNumber);
procSet.Dictionary.Add("ProcSet", $"[/PDF /Text]");
procSet.Dictionary.Add("Font", $"<< {font.Name} {font.PdfReference()} >>");
PdfObjects.Add(procSet);
ObjectNumber++;
PdfText textObj = new PdfText(ObjectNumber, text, x, y, CurrentPage.MediaBox);
CurrentPage.AddContent(textObj);
PdfObjects.Add(textObj);
ObjectNumber++;
}
