private static void GetFormFieldProperties(PdfPage page, PdfWidgetAnnot widget, PdfFormField field)
{
Console.WriteLine("===========================================");
if (field != null)
{
Console.WriteLine("Name: " + field.GetFullName());
Console.WriteLine("Value: " + field.GetValue());
Console.WriteLine("Tooltip: " + field.GetTooltip());
string options = "";
for (int i = 0; i < field.GetNumOptions(); i++)
{
options += field.GetOptionValue(i) + " | ";
}
Console.WriteLine("Options: " + options);
Console.WriteLine("MaxLength: " + field.GetMaxLength());
Console.WriteLine("Multiline: " + (field.GetFlags() & Pdfix.kFieldFlagMultiline).ToString());
Console.WriteLine("IsFormatted: " + (field.GetAAction(PdfActionEventType.kActionEventFieldFormat) != null).ToString());
Console.WriteLine("Required: " + ((field.GetFlags() & Pdfix.kFieldFlagRequired).ToString()).ToString());
Console.WriteLine("ReadOnly: " + ((field.GetFlags() & Pdfix.kFieldFlagReadOnly).ToString()).ToString());
Console.WriteLine("IsFormatted: " + (field.GetAAction(PdfActionEventType.kActionEventFieldCalculate) != null).ToString());
Console.WriteLine("IsChecked: " + (field.GetValue() == field.GetWidgetExportValue(widget)).ToString());
Console.WriteLine("FieldType: " + field.GetType().ToString());
}
if (page != null && widget != null)
{
// widget specific properties
var bbox = widget.GetBBox();
var page_view = page.AcquirePageView(1, PdfRotate.kRotate0);
var rect = page_view.RectToDevice(bbox);
page_view.Release();
// calculate widget annot position in % of the page width
var left = (double)rect.left / (double)page_view.GetDeviceWidth();
var top = (double)rect.top / (double)page_view.GetDeviceHeight();
var width = (double)(rect.right - rect.left) / (double)page_view.GetDeviceWidth();
var height = (double)(rect.bottom - rect.top) / (double)page_view.GetDeviceHeight();
Console.WriteLine("TabOrder: " + (_tabOrder++).ToString());
Console.WriteLine("Left: " + left.ToString() + ", Top: " + top.ToString());
Console.WriteLine("Width: " + width.ToString() + ", Height: " + height.ToString());
}
}
public async Task <ResponseObject> ExtractJsonFromPDF(string email, string licenseKey, string filePath, List <string> imageList)
{
ResponseObject responseObject = new ResponseObject();
List <string> errorList = new List <string>();
try
{
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(filePath, "");
if (doc == null)
{
throw new Exception();
}
int pageCount = doc.GetNumPages();
List <PDF> pdfList = new List <PDF>();
for (int i = 0; i < doc.GetNumPages(); i++)
{
List <PDFObject> pdfObjectList = new List <PDFObject>();
PdfPage page = doc.AcquirePage(i);
PDF pdfObj = new PDF();
pdfObj.page = i.ToString();
pdfObj.imageUrl = GetBase64String(imageList[i]);
_tabOrder = 0;
int annots = page.GetNumAnnots();
for (int j = 0; j < page.GetNumAnnots(); j++)
{
PdfAnnot pdfAnnot = page.GetAnnot(j);
PdfAnnotSubtype pdfAnnotSubtype = pdfAnnot.GetSubtype();
PdfFormField field = null;
bool isChecked = false;
if (pdfAnnotSubtype == PdfAnnotSubtype.kAnnotLink)
{
var widget = (PdfLinkAnnot)pdfAnnot;
field = doc.GetFormField(j);
isChecked = field.GetValue() == field.GetWidgetExportValue(widget);
}
if (pdfAnnotSubtype == PdfAnnotSubtype.kAnnotWidget)
{
var widget = (PdfWidgetAnnot)pdfAnnot;
field = widget.GetFormField();
if (field == null)
{
field = doc.GetFormField(j);
}
isChecked = field.GetValue() == field.GetWidgetExportValue(widget);
}
if (pdfAnnotSubtype == PdfAnnotSubtype.kAnnotHighlight)
{
var widget = (PdfTextMarkupAnnot)pdfAnnot;
field = doc.GetFormField(j);
isChecked = field.GetValue() == field.GetWidgetExportValue(widget);
}
if (field == null)
{
field = doc.GetFormField(j);
string fieldName = field.GetFullName();
errorList.Add(fieldName);
throw new Exception();
}
PDFObject pdfObject = new PDFObject();
pdfObject.fieldName = field.GetFullName();
pdfObject.fieldValue = field.GetValue();
pdfObject.maxLength = field.GetMaxLength();
pdfObject.tooltip = field.GetTooltip();
pdfObject.displayName = field.GetDefaultValue();
pdfObject.multiLine = ((field.GetFlags() & Pdfix.kFieldFlagMultiline) != 0) ? true : false;
pdfObject.isFormatted = ((field.GetAAction(PdfActionEventType.kActionEventFieldFormat)) != null) ? true : false;
pdfObject.required = ((field.GetFlags() & Pdfix.kFieldFlagRequired) != 0) ? true : false;
pdfObject.readOnly = ((field.GetFlags() & Pdfix.kFieldFlagReadOnly) != 0) ? true : false;
pdfObject.tabOrder = _tabOrder++;
pdfObject.isChecked = isChecked;
pdfObject.fieldType = GetFieldType(field);
List <string> dropdownList = new List <string>();
for (int k = 0; k < field.GetOptionCount(); k++)
{
string optionValue = field.GetOptionValue(k);
dropdownList.Add(optionValue);
}
pdfObject.optionList = dropdownList;
PdfRect bbox = pdfAnnot.GetBBox();
PdfAnnotAppearance pdfAnnotAppearance = pdfAnnot.GetAppearance();
PdfPageView pageView = page.AcquirePageView(1.0, PdfRotate.kRotate0);
if (pageView == null)
{
throw new Exception(pdfix.GetError());
}
var devRect = pageView.RectToDevice(bbox);
var x = devRect.left;
var y = devRect.top;
var width = devRect.right - devRect.left;
var height = devRect.bottom - devRect.top;
var pageWidth = pageView.GetDeviceWidth();
var pageHeight = pageView.GetDeviceHeight();
var pdfvalue = ((double)x / pageWidth) * 100;
var percentage = Convert.ToInt32(Math.Round(pdfvalue, 2));
pdfObject.x = ((double)devRect.left / pageView.GetDeviceWidth()) * 100;
pdfObject.y = ((double)devRect.top / pageView.GetDeviceHeight()) * 100;
pdfObject.width = ((double)(devRect.right - devRect.left) / pageView.GetDeviceWidth()) * 100;
pdfObject.height = ((double)(devRect.bottom - devRect.top) / pageView.GetDeviceHeight()) * 100;
pageView.Release();
pdfObjectList.Add(pdfObject);
}
pdfObj.pdfObjList = pdfObjectList;
pdfObj.width = 927;
pdfObj.height = 1200;
pdfList.Add(pdfObj);
}
responseObject.flag = true;
responseObject.data = pdfList;
responseObject.message = "Document Import Successfully";
doc.Close();
pdfix.Destroy();
}
catch (Exception ex)
{
responseObject.errorList = errorList;
throw ex;
}
return(responseObject);
}