///////////////////////////////////////////////////////////////////////
// ParsePage
///////////////////////////////////////////////////////////////////////
private static void ParsePage(Pdfix pdfix, PdfPage page, String outDir)
{
// get pageMap for the current page
PdePageMap pageMap = page.AcquirePageMap();
if (pageMap == null)
{
throw new Exception(pdfix.GetError());
}
if (!pageMap.CreateElements(null, null))
{
throw new Exception(pdfix.GetError());
}
// get page container
PdeElement container = pageMap.GetElement();
if (container == null)
{
throw new Exception(pdfix.GetError());
}
// parse children recursivelly
ParseElement(container, outDir);
pageMap.Release();
}
///////////////////////////////////////////////////////////////////////
// ParsePage
///////////////////////////////////////////////////////////////////////
private static void ParsePage(Pdfix pdfix, PdfPage page, StreamWriter file)
{
// get pageMap for the current page
PdePageMap pageMap = page.AcquirePageMap(null, IntPtr.Zero);
if (pageMap == null)
{
throw new Exception(pdfix.GetError());
}
// get page container
PdeElement container = pageMap.GetElement();
if (container == null)
{
throw new Exception(pdfix.GetError());
}
// parse children recursivelly
ParseElement(container, file);
pageMap.Release();
}
public static void Run(
String openPath, // source PDF document
String savePath // dest PDF document
)
{
Pdfix pdfix = PdfixEngine.Instance;
PdfDoc doc = pdfix.OpenDoc(openPath, "");
if (doc == null)
{
throw new Exception(pdfix.GetError());
}
// cleanup any previous structure tree
if (!doc.RemoveTags(null, null))
{
throw new Exception(pdfix.GetErrorType().ToString());
}
// autotag document first
if (!doc.AddTags(null, null))
{
throw new Exception(pdfix.GetErrorType().ToString());
}
// get the struct tree
PdsStructTree struct_tree = doc.GetStructTree();
if (struct_tree == null)
{
throw new Exception(pdfix.GetErrorType().ToString());
}
PdsStructElement table = GetFirstTable(struct_tree);
if (table == null)
{
throw new Exception("No table found.");
}
PdfRect bbox = new PdfRect();
GetStructElementBBox(table, ref bbox);
// remove all items from the table to make it untagged cotnent
for (int i = table.GetNumChildren() - 1; i >= 0; i--)
{
table.RemoveChild(i);
}
// tag page
PdfPage page = doc.AcquirePage(0);
PdePageMap page_map = page.AcquirePageMap();
PdeElement elem = page_map.CreateElement(PdfElementType.kPdeImage, null);
elem.SetBBox(bbox);
elem.SetAlt("This is image caption");
// prepare document template to ignore already tagged content
var doc_prelight = doc.GetTemplate();
doc_prelight.SetProperty("ignore_tags", 1);
// re-tag non-tagged page content
PdePageMap pageMap = page.AcquirePageMap();
if (pageMap == null)
{
throw new Exception(pdfix.GetError());
}
if (!pageMap.CreateElements(null, null))
{
throw new Exception(pdfix.GetError());
}
if (!page_map.AddTags(table, null, null))
{
throw new Exception(pdfix.GetErrorType().ToString());
}
// udpate the table element type
if (!table.SetType("Sect"))
{
throw new Exception(pdfix.GetErrorType().ToString());
}
if (!doc.Save(savePath, Pdfix.kSaveFull))
{
throw new Exception(pdfix.GetError());
}
doc.Close();
}
public static void Run(
String email, // authorization email
String licenseKey, // authorization license key
String openPath, // source PDF document
String savePath, // output PDF document
String configPath // configuration file
)
{
Pdfix pdfix = new Pdfix();
if (pdfix == null)
{
throw new Exception("Pdfix initialization fail");
}
if (!pdfix.Authorize(email, licenseKey))
{
throw new Exception(pdfix.GetError());
}
PdfDoc doc = pdfix.OpenDoc(openPath, "");
if (doc == null)
{
throw new Exception(pdfix.GetError());
}
PsFileStream stm = pdfix.CreateFileStream(configPath, PsFileMode.kPsReadOnly);
if (stm != null)
{
PdfDocTemplate docTmpl = doc.GetDocTemplate();
if (docTmpl == null)
{
throw new Exception(pdfix.GetError());
}
docTmpl.LoadFromStream(stm, PsDataFormat.kDataFormatJson);
stm.Destroy();
}
// define a cancel progress callback
PdfCancelProc cancel_callback = (data) =>
{
// to cancel the process return 1
Console.WriteLine("PdfCancelProc callback was called");
return(0);
};
PdfPage page = doc.AcquirePage(0);
PdePageMap pageMap = page.AcquirePageMap(null, IntPtr.Zero);
// define an event callback
PdfEventProc event_callback = (data) =>
{
Console.WriteLine("Page contents did change. Releasing pageMap...");
if (pageMap != null)
{
pageMap.Release();
pageMap = null;
}
};
if (!pdfix.RegisterEvent(PdfEventType.kEventPageContentsDidChange, event_callback, IntPtr.Zero))
{
throw new Exception(pdfix.GetError());
}
if (!doc.AddTags(cancel_callback, IntPtr.Zero))
{
throw new Exception(pdfix.GetError());
}
if (!doc.Save(savePath, PdfSaveFlags.kSaveFull))
{
throw new Exception(pdfix.GetError());
}
doc.Close();
pdfix.Destroy();
}