static void PDFEmbed(string file, string text)
{
var tmpdir = Path.GetTempPath();
var tmp = TempFilesDeleter.GetTempFileName(".pdf", tmpdir);
tmp = Path.Combine(tmpdir, tmp);
using (var tmp_deleter = new TempFilesDeleter(tmpdir)) {
tmp_deleter.AddFile(tmp);
using (var mupdf = new MuPDF(mudraw)) {
var doc = mupdf.Execute <int>("open_document", file);
if (doc == 0)
{
return;
}
var page = mupdf.Execute <int>("load_page", doc, 0);
if (page == 0)
{
return;
}
var annot = mupdf.Execute <int>("create_annot", page, "Text");
if (annot == 0)
{
return;
}
mupdf.Execute("set_annot_contents", annot, ChangeReturnCode(PDFsrcHead + System.Environment.NewLine + text, "\n"));
mupdf.Execute("set_annot_flag", annot, 35);
mupdf.Execute("write_document", doc, tmp);
}
if (File.Exists(tmp))
{
File.Delete(file);
File.Move(tmp, file);
}
}
}
static string PDFRead(string file)
{
var srcHead = PDFsrcHead + System.Environment.NewLine;
using (var mupdf = new MuPDF(mudraw)) {
var doc = mupdf.Execute <int>("open_document", file);
if (doc == 0)
{
return(null);
}
var page = mupdf.Execute <int>("load_page", doc, 0);
if (page == 0)
{
return(null);
}
var annot = mupdf.Execute <int>("first_annot", page);
while (annot != 0)
{
var rect = mupdf.Execute <BoundingBox>("bound_annot", annot);
if (rect.Width == 0 && rect.Height == 0)
{
if (mupdf.Execute <string>("annot_type", annot) == "Text")
{
var text = mupdf.Execute <string>("annot_contents", annot);
text = ChangeReturnCode(text);
if (text.StartsWith(srcHead))
{
return(text.Substring(srcHead.Length));
}
}
}
annot = mupdf.Execute <int>("next_annot", annot);
}
}
return(null);
}
