public static void Extract(string src, string outputPath, int page = 0)
{
PdfReader pr = new PdfReader(src);
RandomAccessFileOrArray file = new RandomAccessFileOrArray(src);
int max = page > 0 ? page : pr.NumberOfPages;
for (int i = page > 0 ? page : 1; i <= max; ++i)
{
try
{
//(PdfObject obj, PdfObject filter) = Find(pr.GetPageN(i));
PdfObject obj = null;
if (obj != null)
{
/*int xrefIndex = Convert.ToInt32(
* (
* (PRIndirectReference)obj
* ).Number.ToString(
* CultureInfo.InvariantCulture
* )
* );
*
* PdfObject pdfImg = pr.GetPdfObject(xrefIndex);
* PdfStream stream = (PdfStream)pdfImg;
* byte[] bytes = PdfReader.GetStreamBytesRaw((PRStream)stream);*/
byte[] bytes = PdfReader.GetStreamBytesRaw(
(PRStream)((PdfStream)pr.GetPdfObject(
Convert.ToInt32(
(
(PRIndirectReference)obj
).Number.ToString(
CultureInfo.InvariantCulture
)
)
))
);
if (bytes != null)
{
using (MemoryStream mem = new MemoryStream(bytes))
{
mem.Position = 0;
var img = Image.FromStream(mem, true, true);
if (!Directory.Exists(outputPath))
{
Directory.CreateDirectory(outputPath);
}
ImageCodecInfo codec = ImageCodecInfo.GetImageEncoders().Single(e => e.FormatID.Equals(img.RawFormat.Guid));
EncoderParameters prms = new EncoderParameters(1);
prms.Param[0] = new EncoderParameter(Encoder.Compression, 0);
img.Save(
Path.Combine(outputPath, String.Format(@"{0}.{1}", i, codec.FilenameExtension.Split(';')[0])),
codec, prms
);
}
}
}
}
catch
{
}
pr.Dispose();
pr.Close();
file.Close();
}
}
/// <exception cref="System.IO.IOException"/>
protected internal virtual void Process()
{
RandomAccessFileOrArray raf = fontParser.GetMetricsFile();
String line;
bool startKernPairs = false;
while (!startKernPairs && (line = raf.ReadLine()) != null)
{
StringTokenizer tok = new StringTokenizer(line, " ,\n\r\t\f");
if (!tok.HasMoreTokens())
{
continue;
}
String ident = tok.NextToken();
switch (ident)
{
case "FontName": {
fontNames.SetFontName(tok.NextToken("\u00ff").Substring(1));
break;
}
case "FullName": {
String fullName = tok.NextToken("\u00ff").Substring(1);
fontNames.SetFullName(new String[][] { new String[] { "", "", "", fullName } });
break;
}
case "FamilyName": {
String familyName = tok.NextToken("\u00ff").Substring(1);
fontNames.SetFamilyName(new String[][] { new String[] { "", "", "", familyName } });
break;
}
case "Weight": {
fontNames.SetWeight(FontNames.ConvertFontWeight(tok.NextToken("\u00ff").Substring(1)));
break;
}
case "ItalicAngle": {
fontMetrics.SetItalicAngle(float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture)
);
break;
}
case "IsFixedPitch": {
fontMetrics.SetIsFixedPitch(tok.NextToken().Equals("true"));
break;
}
case "CharacterSet": {
characterSet = tok.NextToken("\u00ff").Substring(1);
break;
}
case "FontBBox": {
int llx = (int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture);
int lly = (int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture);
int urx = (int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture);
int ury = (int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture);
fontMetrics.SetBbox(llx, lly, urx, ury);
break;
}
case "UnderlinePosition": {
fontMetrics.SetUnderlinePosition((int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture
));
break;
}
case "UnderlineThickness": {
fontMetrics.SetUnderlineThickness((int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture
));
break;
}
case "EncodingScheme": {
encodingScheme = tok.NextToken("\u00ff").Substring(1).Trim();
break;
}
case "CapHeight": {
fontMetrics.SetCapHeight((int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture
));
break;
}
case "XHeight": {
fontMetrics.SetXHeight((int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture
));
break;
}
case "Ascender": {
fontMetrics.SetTypoAscender((int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture
));
break;
}
case "Descender": {
fontMetrics.SetTypoDescender((int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture
));
break;
}
case "StdHW": {
fontMetrics.SetStemH((int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture));
break;
}
case "StdVW": {
fontMetrics.SetStemV((int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture));
break;
}
case "StartCharMetrics": {
startKernPairs = true;
break;
}
}
}
if (!startKernPairs)
{
String metricsPath = fontParser.GetAfmPath();
if (metricsPath != null)
{
throw new iText.IO.IOException("missing.startcharmetrics.in.1").SetMessageParams(metricsPath);
}
else
{
throw new iText.IO.IOException("missing.startcharmetrics.in.the.metrics.file");
}
}
avgWidth = 0;
int widthCount = 0;
while ((line = raf.ReadLine()) != null)
{
StringTokenizer tok = new StringTokenizer(line);
if (!tok.HasMoreTokens())
{
continue;
}
String ident = tok.NextToken();
if (ident.Equals("EndCharMetrics"))
{
startKernPairs = false;
break;
}
int C = -1;
int WX = 250;
String N = "";
int[] B = null;
tok = new StringTokenizer(line, ";");
while (tok.HasMoreTokens())
{
StringTokenizer tokc = new StringTokenizer(tok.NextToken());
if (!tokc.HasMoreTokens())
{
continue;
}
ident = tokc.NextToken();
switch (ident)
{
case "C": {
C = System.Convert.ToInt32(tokc.NextToken());
break;
}
case "WX": {
WX = (int)float.Parse(tokc.NextToken(), System.Globalization.CultureInfo.InvariantCulture);
break;
}
case "N": {
N = tokc.NextToken();
break;
}
case "B": {
B = new int[] { System.Convert.ToInt32(tokc.NextToken()), System.Convert.ToInt32(tokc.NextToken()), System.Convert.ToInt32
(tokc.NextToken()), System.Convert.ToInt32(tokc.NextToken()) };
break;
}
}
}
int unicode = (int)AdobeGlyphList.NameToUnicode(N);
Glyph glyph = new Glyph(C, WX, unicode, B);
if (C >= 0)
{
codeToGlyph[C] = glyph;
}
if (unicode != -1)
{
unicodeToGlyph[unicode] = glyph;
}
avgWidth += WX;
widthCount++;
}
if (widthCount != 0)
{
avgWidth /= widthCount;
}
if (startKernPairs)
{
String metricsPath = fontParser.GetAfmPath();
if (metricsPath != null)
{
throw new iText.IO.IOException("missing.endcharmetrics.in.1").SetMessageParams(metricsPath);
}
else
{
throw new iText.IO.IOException("missing.endcharmetrics.in.the.metrics.file");
}
}
// From AdobeGlyphList:
// nonbreakingspace;00A0
// space;0020
if (!unicodeToGlyph.ContainsKey(0x00A0))
{
Glyph space = null;
if (unicodeToGlyph.ContainsKey(0x0020))
{
space = unicodeToGlyph.Get(0x0020);
}
if (space != null)
{
unicodeToGlyph[0x00A0] = new Glyph(space.GetCode(), space.GetWidth(), 0x00A0, space.GetBbox());
}
}
bool endOfMetrics = false;
while ((line = raf.ReadLine()) != null)
{
StringTokenizer tok = new StringTokenizer(line);
if (!tok.HasMoreTokens())
{
continue;
}
String ident = tok.NextToken();
if (ident.Equals("EndFontMetrics"))
{
endOfMetrics = true;
break;
}
else
{
if (ident.Equals("StartKernPairs"))
{
startKernPairs = true;
break;
}
}
}
if (startKernPairs)
{
while ((line = raf.ReadLine()) != null)
{
StringTokenizer tok = new StringTokenizer(line);
if (!tok.HasMoreTokens())
{
continue;
}
String ident = tok.NextToken();
if (ident.Equals("KPX"))
{
String first = tok.NextToken();
String second = tok.NextToken();
int? width = (int)float.Parse(tok.NextToken(), System.Globalization.CultureInfo.InvariantCulture);
int firstUni = (int)AdobeGlyphList.NameToUnicode(first);
int secondUni = (int)AdobeGlyphList.NameToUnicode(second);
if (firstUni != -1 && secondUni != -1)
{
long record = ((long)firstUni << 32) + secondUni;
kernPairs[record] = width;
}
}
else
{
if (ident.Equals("EndKernPairs"))
{
startKernPairs = false;
break;
}
}
}
}
else
{
if (!endOfMetrics)
{
String metricsPath = fontParser.GetAfmPath();
if (metricsPath != null)
{
throw new iText.IO.IOException("missing.endfontmetrics.in.1").SetMessageParams(metricsPath);
}
else
{
throw new iText.IO.IOException("missing.endfontmetrics.in.the.metrics.file");
}
}
}
if (startKernPairs)
{
String metricsPath = fontParser.GetAfmPath();
if (metricsPath != null)
{
throw new iText.IO.IOException("missing.endkernpairs.in.1").SetMessageParams(metricsPath);
}
else
{
throw new iText.IO.IOException("missing.endkernpairs.in.the.metrics.file");
}
}
raf.Close();
isFontSpecific = !(encodingScheme.Equals("AdobeStandardEncoding") || encodingScheme.Equals("StandardEncoding"
));
}
public virtual RandomAccessFileOrArray GetMetricsFile()
{
isBuiltInFont = false;
if (StandardFonts.IsStandardFont(afmPath))
{
isBuiltInFont = true;
byte[] buf = new byte[1024];
Stream resource = null;
try {
String resourcePath = FontResources.AFMS + afmPath + ".afm";
resource = ResourceUtil.GetResourceStream(resourcePath);
if (resource == null)
{
throw new iText.IO.IOException("{0} was not found as resource.").SetMessageParams(resourcePath);
}
MemoryStream stream = new MemoryStream();
int read;
while ((read = resource.Read(buf)) >= 0)
{
stream.Write(buf, 0, read);
}
buf = stream.ToArray();
}
finally {
if (resource != null)
{
try {
resource.Dispose();
}
catch (Exception) {
}
}
}
return(new RandomAccessFileOrArray(sourceFactory.CreateSource(buf)));
}
else
{
if (afmPath != null)
{
if (afmPath.ToLowerInvariant().EndsWith(".afm"))
{
return(new RandomAccessFileOrArray(sourceFactory.CreateBestSource(afmPath)));
}
else
{
if (afmPath.ToLowerInvariant().EndsWith(".pfm"))
{
MemoryStream ba = new MemoryStream();
RandomAccessFileOrArray rf = new RandomAccessFileOrArray(sourceFactory.CreateBestSource(afmPath));
Pfm2afm.Convert(rf, ba);
rf.Close();
return(new RandomAccessFileOrArray(sourceFactory.CreateSource(ba.ToArray())));
}
else
{
throw new iText.IO.IOException(iText.IO.IOException._1IsNotAnAfmOrPfmFontFile).SetMessageParams(afmPath);
}
}
}
else
{
if (afmData != null)
{
RandomAccessFileOrArray rf = new RandomAccessFileOrArray(sourceFactory.CreateSource(afmData));
if (IsAfmFile(rf))
{
return(rf);
}
else
{
MemoryStream ba = new MemoryStream();
try {
Pfm2afm.Convert(rf, ba);
}
catch (Exception) {
throw new iText.IO.IOException("Invalid afm or pfm font file.");
}
finally {
rf.Close();
}
return(new RandomAccessFileOrArray(sourceFactory.CreateSource(ba.ToArray())));
}
}
else
{
throw new iText.IO.IOException("Invalid afm or pfm font file.");
}
}
}
}
public virtual byte[] GetFontStreamBytes()
{
if (fontParser.IsBuiltInFont())
{
return(null);
}
if (fontStreamBytes != null)
{
return(fontStreamBytes);
}
RandomAccessFileOrArray raf = null;
try {
raf = fontParser.GetPostscriptBinary();
int fileLength = (int)raf.Length();
fontStreamBytes = new byte[fileLength - 18];
fontStreamLengths = new int[3];
int bytePtr = 0;
for (int k = 0; k < 3; ++k)
{
if (raf.Read() != 0x80)
{
ILogger logger = LoggerFactory.GetLogger(typeof(iText.IO.Font.Type1Font));
logger.Error(LogMessageConstant.START_MARKER_MISSING_IN_PFB_FILE);
return(null);
}
if (raf.Read() != PFB_TYPES[k])
{
ILogger logger = LoggerFactory.GetLogger(typeof(iText.IO.Font.Type1Font));
logger.Error("incorrect.segment.type.in.pfb.file");
return(null);
}
int size = raf.Read();
size += raf.Read() << 8;
size += raf.Read() << 16;
size += raf.Read() << 24;
fontStreamLengths[k] = size;
while (size != 0)
{
int got = raf.Read(fontStreamBytes, bytePtr, size);
if (got < 0)
{
ILogger logger = LoggerFactory.GetLogger(typeof(iText.IO.Font.Type1Font));
logger.Error("premature.end.in.pfb.file");
return(null);
}
bytePtr += got;
size -= got;
}
}
return(fontStreamBytes);
}
catch (Exception) {
ILogger logger = LoggerFactory.GetLogger(typeof(iText.IO.Font.Type1Font));
logger.Error("type1.font.file.exception");
return(null);
}
finally {
if (raf != null)
{
try {
raf.Close();
}
catch (Exception) {
}
}
}
}
/// <exception cref="System.IO.IOException"/>
public virtual RandomAccessFileOrArray GetMetricsFile()
{
isBuiltInFont = false;
if (FontConstants.BUILTIN_FONTS_14.Contains(afmPath))
{
isBuiltInFont = true;
byte[] buf = new byte[1024];
Stream resource = null;
try {
String resourcePath = FontConstants.AFM_RESOURCE_PATH + afmPath + ".afm";
resource = ResourceUtil.GetResourceStream(resourcePath);
if (resource == null)
{
throw new iText.IO.IOException("1.not.found.as.resource").SetMessageParams(resourcePath);
}
MemoryStream stream = new MemoryStream();
int read;
while ((read = resource.Read(buf)) >= 0)
{
stream.Write(buf, 0, read);
}
buf = stream.ToArray();
}
finally {
if (resource != null)
{
try {
resource.Close();
}
catch (Exception) {
}
}
}
return(new RandomAccessFileOrArray(sourceFactory.CreateSource(buf)));
}
else
{
if (afmPath != null)
{
if (afmPath.ToLower(System.Globalization.CultureInfo.InvariantCulture).EndsWith(".afm"))
{
return(new RandomAccessFileOrArray(sourceFactory.CreateBestSource(afmPath)));
}
else
{
if (afmPath.ToLower(System.Globalization.CultureInfo.InvariantCulture).EndsWith(".pfm"))
{
MemoryStream ba = new MemoryStream();
RandomAccessFileOrArray rf = new RandomAccessFileOrArray(sourceFactory.CreateBestSource(afmPath));
Pfm2afm.Convert(rf, ba);
rf.Close();
return(new RandomAccessFileOrArray(sourceFactory.CreateSource(ba.ToArray())));
}
else
{
throw new iText.IO.IOException(iText.IO.IOException._1IsNotAnAfmOrPfmFontFile).SetMessageParams(afmPath);
}
}
}
else
{
if (afmData != null)
{
RandomAccessFileOrArray rf = new RandomAccessFileOrArray(sourceFactory.CreateSource(afmData));
if (IsAfmFile(rf))
{
return(rf);
}
else
{
MemoryStream ba = new MemoryStream();
try {
Pfm2afm.Convert(rf, ba);
}
catch (Exception) {
throw new iText.IO.IOException("invalid.afm.or.pfm.font.file");
}
finally {
rf.Close();
}
return(new RandomAccessFileOrArray(sourceFactory.CreateSource(ba.ToArray())));
}
}
else
{
throw new iText.IO.IOException("invalid.afm.or.pfm.font.file");
}
}
}
}
/// <summary>Parses images from pdf document.</summary>
/// <param name="filePath">The pdf-file full path.</param>
/// <returns>Collection of images and streams that are associated with them.</returns>
public static List <ParsedImage> ParseImages(string filePath)
{
var imgList = new List <ParsedImage>();
var raf = new RandomAccessFileOrArray(filePath);
var reader = new PdfReader(raf, null);
try
{
for (var pageNumber = 1; pageNumber <= reader.NumberOfPages; pageNumber++)
{
var pg = reader.GetPageN(pageNumber);
var size = reader.GetPageSize(pageNumber);
var res = (PdfDictionary)PdfReader.GetPdfObject(pg.Get(PdfName.RESOURCES));
var xobj = (PdfDictionary)PdfReader.GetPdfObject(res.Get(PdfName.XOBJECT));
if (xobj == null)
{
continue;
}
foreach (var name in xobj.Keys)
{
var obj = xobj.Get(name);
if (!obj.IsIndirect())
{
continue;
}
var tg = (PdfDictionary)PdfReader.GetPdfObject(obj);
var type = (PdfName)PdfReader.GetPdfObject(tg.Get(PdfName.SUBTYPE));
if (!PdfName.IMAGE.Equals(type))
{
continue;
}
var refIndex = Convert.ToInt32(((PRIndirectReference)obj).Number.ToString(CultureInfo.InvariantCulture));
var pdfObj = reader.GetPdfObject(refIndex);
var pdfStrem = (PdfStream)pdfObj;
var bytes = PdfReader.GetStreamBytesRaw((PRStream)pdfStrem);
if (bytes == null)
{
continue;
}
var memStream = new MemoryStream(bytes)
{
Position = 0
};
var img = Image.FromStream(memStream);
imgList.Add(new ParsedImage
{
Image = img,
ImageStream = memStream,
Format = img.RawFormat,
Width = size.Width,
Height = size.Height,
PerformedRotation = RotateFlipType.RotateNoneFlipNone
});
}
}
}
catch (Exception exception)
{
Console.WriteLine(exception.Message);
}
finally
{
reader.Close();
raf.Close();
}
return(imgList);
}
public static void xpdfPage(PdfReader reader, int pageNum, TextWriter outp)
{
outp.WriteLine("==============Page " + pageNum + "====================");
PdfDictionary pageDictionary = reader.GetPageN(pageNum);
if (_outputDictionary)
{
outp.WriteLine("- - - - - Dictionary - - - - - -");
//outp.WriteLine(PdfContentReaderTool.GetDictionaryDetail(pageDictionary));
//string s = PdfContentReaderTool.GetDictionaryDetail(pageDictionary);
string s = GetDictionaryDetail(pageDictionary);
outp.WriteLine(s);
}
if (_outputXObject)
{
outp.WriteLine("- - - - - XObject summary - - - - - -");
outp.WriteLine(PdfContentReaderTool.GetXObjectDetail(pageDictionary.GetAsDict(PdfName.RESOURCES)));
}
if (_outputContentStream)
{
outp.WriteLine("- - - - - Content stream - - - - - -");
RandomAccessFileOrArray f = reader.SafeFile;
byte[] contentBytes = reader.GetPageContent(pageNum, f);
f.Close();
outp.Flush();
foreach (byte b in contentBytes)
{
outp.Write((char)b);
}
outp.Flush();
}
Test_iTextSharp.LocationTextExtractionStrategy strategy = new Test_iTextSharp.LocationTextExtractionStrategy();
//GetTextFromPage(reader, pageNum, strategy);
Test_iTextSharp.PdfTools.ProcessContentPage(reader, pageNum, strategy);
if (_outputText)
{
outp.WriteLine("- - - - - Text extraction - - - - - -");
//LocationTextExtractionStrategy strategy = new LocationTextExtractionStrategy();
//String extractedText = PdfTextExtractor.GetTextFromPage(reader, pageNum, new LocationTextExtractionStrategy());
string extractedText = strategy.GetResultantText();
if (extractedText.Length != 0)
{
outp.WriteLine(extractedText);
outp.WriteLine();
}
else
{
outp.WriteLine("No text found on page " + pageNum);
}
}
if (_outputTextBlocks1)
{
outp.WriteLine("- - - - - Text blocks extraction 1 - - - - - -");
//GetTextFromPage(reader, pageNum, strategy);
//PrintTextBlocks(outp, strategy.textBlocks);
foreach (Test_iTextSharp.TextBlock textBlock in strategy.textBlocks)
{
PrintTextBlock(outp, textBlock, 0);
}
outp.WriteLine();
}
if (_outputTextBlocks2)
{
outp.WriteLine("- - - - - Text blocks extraction 2 - - - - - -");
foreach (Test_iTextSharp.TextBlock textBlock in strategy.textBlocks)
{
outp.Write("block ");
//outp.WriteLine(GetTextBlock(textBlock));
outp.WriteLine(textBlock.GetText());
if (textBlock.childs.Count > 0)
{
outp.WriteLine(" **** warning childs blocks not printed ****");
}
}
outp.WriteLine();
}
if (_outputTextBlocks3)
{
outp.WriteLine("- - - - - Text blocks extraction 3 - - - - - -");
foreach (Test_iTextSharp.TextBlock textBlock in strategy.textBlocks)
{
bool first = true;
//foreach (string s in GetTextBlockByLines(textBlock, _outputMaxCol))
foreach (string s in textBlock.GetTextByLines(_outputMaxCol))
{
if (first)
{
outp.Write("block ");
first = false;
}
else
{
outp.Write(" ");
}
outp.WriteLine(s);
}
if (textBlock.childs.Count > 0)
{
outp.WriteLine(" **** warning childs blocks not printed ****");
}
}
outp.WriteLine();
}
outp.WriteLine();
}
public static void CrearPDF(string RutaInicial, string RutaFinal, List <cNervio> Nervios)
{
try
{
Document Doc = new Document(PageSize.LETTER, 30, 25, 90, 50);
FileStream stream = new FileStream(RutaInicial, FileMode.Create);
PdfWriter Writer = PdfWriter.GetInstance(Doc, stream);
Doc.AddTitle("Memorias de Cálculo");
Doc.AddCreator("efe Prima Ce");
Doc.Open();
EncabezadoEfePrimaCe(Doc, Writer);
List <PdfPTable> Tablas = new List <PdfPTable>();
Nervios.ForEach(Nervio =>
{
Tablas.AddRange(CrearTablasNervio(Nervio));
//AddSpaces(1, Doc);
});
int Contador = 0;
for (int i = 0; i < Tablas.Count; i++)
{
if (Contador == 5)
{
Doc.NewPage();
EncabezadoEfePrimaCe(Doc, Writer);
Contador = 0;
}
Doc.Add(Tablas[i]);
Contador += 1;
}
Doc.Close();
Writer.Close();
#region Eliminar Hojas en Blanco Del PDF
int EnBlanco = 100;
PdfReader reader = new PdfReader(RutaInicial);
var raf = new RandomAccessFileOrArray(RutaInicial);
Document Doc2 = new Document(reader.GetPageSizeWithRotation(1));
PdfCopy Writer2 = new PdfCopy(Doc2, new FileStream(RutaFinal, FileMode.Create)); Doc2.Open();
int n = reader.NumberOfPages;
for (int i = 1; i <= n; i++)
{
byte[] Bites = reader.GetPageContent(i, raf);
if (Bites.Length > EnBlanco)
{
PdfImportedPage page = Writer2.GetImportedPage(reader, i);
Writer2.AddPage(page);
}
}
Doc2.Close(); Writer2.Close(); raf.Close(); reader.Close();
#endregion
System.Diagnostics.Process Proc = new System.Diagnostics.Process();
Proc.StartInfo.FileName = RutaFinal;
Proc.Start();
}
catch
{
cFunctionsProgram.VentanaEmergenteExclamacion("La acción no se puede completar porque el archivo esta abierto.");
return;
}
}
