private ImageRenderInfo(GraphicsState gs, PdfIndirectReference refi, PdfDictionary colorSpaceDictionary)
{
this.gs = gs;
this.refi = refi;
this.inlineImageInfo = null;
this.colorSpaceDictionary = colorSpaceDictionary;
}
private ImageRenderInfo(GraphicsState gs, InlineImageInfo inlineImageInfo, PdfDictionary colorSpaceDictionary)
{
this.gs = gs;
this.refi = null;
this.inlineImageInfo = inlineImageInfo;
this.colorSpaceDictionary = colorSpaceDictionary;
}
virtual public void CacheObject(PdfIndirectReference iref, PdfObject obj) {
if (obj.Type == 0) {
cachedObjects[new RefKey(iref)] = obj;
}
else if (obj is PdfDictionary) {
cachedObjects[new RefKey(iref)] = CleverPdfDictionaryClone((PdfDictionary) obj);
}
else if (obj.IsArray()) {
cachedObjects[new RefKey(iref)] = CleverPdfArrayClone((PdfArray) obj);
}
}
/**
* Creates a StructureObject for an OBJR dictionary.
* @param structElem the parent structure element
* @param ref the reference of the parent structure element
* @param dict the object reference dictionary
*/
public StructureObject(PdfDictionary structElem, PdfIndirectReference refa, PdfDictionary dict) {
this.structElem = structElem;
this.refa = refa;
this.obj = dict.GetDirectObject(PdfName.OBJ);
this.objref = dict.GetAsIndirectObject(PdfName.OBJ);
this.structParent = ((PdfDictionary) obj).GetAsNumber(PdfName.STRUCTPARENT).IntValue;
PdfIndirectReference pg = dict.GetAsIndirectObject(PdfName.PG);
if (pg == null)
pg = structElem.GetAsIndirectObject(PdfName.PG);
this.pageref = pg.Number;
}
public PdfPageTree(PdfIndirectReference pages, PdfPageTree parent)
: base(pages, parent, PdfObjectType.PageTree)
{
IsContainer = true;
var pagetree = pages.Dereference<PdfDictionary>();
pagetree.ExpectsType("Pages");
foreach (PdfKeyValuePair pair in pagetree.Items)
{
switch (pair.Key.Text)
{
case "Type": // skip Type Pages
break;
case "Kids":
PdfArray kids = pair.Value as PdfArray;
Kids = new List<IPdfObject>();
foreach (PdfIndirectReference item in kids.Items)
{
var dic = item.Dereference<PdfDictionary>();
String type = dic["Type"].Text;
if (type == "Pages")
Kids.Add(new PdfPageTree(item, this));
else if (type == "Page")
Kids.Add(new PdfPage(item, this));
else
throw new Exception("Content of Kids in a Page Tree Node must be either a Page or another Page Tree Node");
}
break;
case "Count":
Count = new PdfCount(pair.Value as PdfNumeric);
_items.Add(Count);
break;
default:
HandleKeyValuePair(pair);
break;
}
}
_items.AddRange(Kids);
}
private ImageRenderInfo(Matrix ctm, InlineImageInfo inlineImageInfo, PdfDictionary colorSpaceDictionary) {
this.ctm = ctm;
this.refi = null;
this.inlineImageInfo = inlineImageInfo;
this.colorSpaceDictionary = colorSpaceDictionary;
}
/**
* Creates a StructureMCID using an MCID.
* @param obj an MCID
*/
public StructureMCID(PdfIndirectReference pg, PdfNumber mcid)
{
this.pageref = pg.Number;
this.mcid = mcid.IntValue;
}
/**
* Creates new PdfTemplate
*
* @param wr the <CODE>PdfWriter</CODE>
*/
internal PdfTemplate(PdfWriter wr) : base(wr) {
type = TYPE_TEMPLATE;
pageResources = new PageResources();
pageResources.AddDefaultColor(wr.DefaultColorspace);
thisReference = writer.PdfIndirectReference;
}
/**
* Creates a StructureMCID using an MCID.
* @param obj an MCID
*/
public StructureMCID(PdfIndirectReference pg, PdfNumber mcid) {
this.pageref = pg.Number;
this.mcid = mcid.IntValue;
}
public RefKey(PdfIndirectReference referemce) {
num = referemce.Number;
gen = referemce.Generation;
}
/**
* Parses the content of a page, replacing appearances of annotations
* with Form XObjects.
* @param page a page dictionary
* @throws IOException
*/
virtual public void Parse(PdfDictionary page, PdfIndirectReference pageref)
{
LOGGER.Info("Parsing page with reference " + pageref);
// initializing member variables
baos = new MemoryStream();
this.page = page;
this.pageref = pageref;
structParents = page.GetAsNumber(PdfName.STRUCTPARENTS);
if (structParents == null)
{
throw new DocumentException(MessageLocalization.GetComposedMessage("can.t.read.document.structure"));
}
annots = page.GetAsArray(PdfName.ANNOTS);
if (annots == null)
{
annots = new PdfArray();
}
PdfDictionary resources = page.GetAsDict(PdfName.RESOURCES);
xobjects = resources.GetAsDict(PdfName.XOBJECT);
if (xobjects == null)
{
xobjects = new PdfDictionary();
resources.Put(PdfName.XOBJECT, xobjects);
}
// parsing the content stream of the page
PRStream stream = (PRStream)page.GetAsStream(PdfName.CONTENTS);
byte[] contentBytes = PdfReader.GetStreamBytes(stream);
PRTokeniser tokeniser = new PRTokeniser(new RandomAccessFileOrArray(RASFACTORY.CreateSource(contentBytes)));
PdfContentParser ps = new PdfContentParser(tokeniser);
List <PdfObject> operands = new List <PdfObject>();
while (ps.Parse(operands).Count > 0)
{
PdfLiteral opr = (PdfLiteral)operands[operands.Count - 1];
ProcessOperator(opr, operands);
}
// dealing with orphans
while (items.Count > 0 && items[0].GetPageref() == pageref.Number)
{
StructureItem item = items[0];
if (item is StructureObject)
{
ConvertToXObject((StructureObject)item);
items.RemoveAt(0);
}
}
if (annots.Length == 0)
{
page.Remove(PdfName.ANNOTS);
}
else
{
PdfDictionary annot;
for (int i = 0; i < annots.Size; i++)
{
annot = annots.GetAsDict(i);
if (annot.GetAsNumber(PdfName.STRUCTPARENT) == null)
{
throw new DocumentException(MessageLocalization.GetComposedMessage("could.not.flatten.file.untagged.annotations.found"));
}
}
}
// replacing the content stream
baos.Flush();
baos.Close();
stream.SetData(baos.ToArray());
// showing how many items are left
LOGGER.Info(String.Format("There are {0} items left for processing", items.Count));
}
/**
* Create an ImageRenderInfo object based on an XObject (this is the most common way of including an image in PDF)
* @param ctm the coordinate transformation matrix at the time the image is rendered
* @param ref a reference to the image XObject
* @return the ImageRenderInfo representing the rendered XObject
* @since 5.0.1
*/
public static ImageRenderInfo CreateForXObject(Matrix ctm, PdfIndirectReference refi)
{
return(new ImageRenderInfo(ctm, refi));
}
void outputDss()
{
PdfWriter writer = pdfStamper.Writer;
PdfReader reader = pdfStamper.Reader;
PdfDictionary dss = new PdfDictionary();
PdfDictionary vrim = new PdfDictionary();
PdfArray ocsps = new PdfArray();
PdfArray crls = new PdfArray();
PdfArray certs = new PdfArray();
writer.AddDeveloperExtension(PdfDeveloperExtension.ESIC_1_7_EXTENSIONLEVEL5);
writer.AddDeveloperExtension(new PdfDeveloperExtension(PdfName.ADBE, new PdfName("1.7"), 8));
PdfDictionary catalog = reader.Catalog;
pdfStamper.MarkUsed(catalog);
foreach (PdfName vkey in validated.Keys)
{
PdfArray ocsp = new PdfArray();
PdfArray crl = new PdfArray();
PdfArray cert = new PdfArray();
PdfDictionary vri = new PdfDictionary();
foreach (byte[] b in validated[vkey].crls)
{
PdfStream ps = new PdfStream(b);
ps.FlateCompress();
PdfIndirectReference iref = writer.AddToBody(ps, false).IndirectReference;
crl.Add(iref);
crls.Add(iref);
}
foreach (byte[] b in validated[vkey].ocsps)
{
PdfStream ps = new PdfStream(buildOCSPResponse(b));
ps.FlateCompress();
PdfIndirectReference iref = writer.AddToBody(ps, false).IndirectReference;
ocsp.Add(iref);
ocsps.Add(iref);
}
foreach (byte[] b in validated[vkey].certs)
{
PdfStream ps = new PdfStream(b);
ps.FlateCompress();
PdfIndirectReference iref = writer.AddToBody(ps, false).IndirectReference;
cert.Add(iref);
certs.Add(iref);
}
if (ocsp.Length > 0)
{
vri.Put(PdfName.OCSP, writer.AddToBody(ocsp, false).IndirectReference);
}
if (crl.Length > 0)
{
vri.Put(PdfName.CRL, writer.AddToBody(crl, false).IndirectReference);
}
if (cert.Length > 0)
{
vri.Put(PdfName.CERT, writer.AddToBody(cert, false).IndirectReference);
}
vri.Put(PdfName.TU, new PdfDate());
vrim.Put(vkey, writer.AddToBody(vri, false).IndirectReference);
}
dss.Put(PdfName.VRI, writer.AddToBody(vrim, false).IndirectReference);
if (ocsps.Length > 0)
{
dss.Put(PdfName.OCSPS, writer.AddToBody(ocsps, false).IndirectReference);
}
if (crls.Length > 0)
{
dss.Put(PdfName.CRLS, writer.AddToBody(crls, false).IndirectReference);
}
if (certs.Length > 0)
{
dss.Put(PdfName.CERTS, writer.AddToBody(certs, false).IndirectReference);
}
catalog.Put(PdfName.DSS, writer.AddToBody(dss, false).IndirectReference);
}
private ImageRenderInfo(Matrix ctm, PdfIndirectReference refi)
{
this.ctm = ctm;
this.refi = refi;
}
public void HandleXObject(PdfContentStreamProcessor processor, PdfStream xobjectStream, PdfIndirectReference refi)
{
ImageRenderInfo renderInfo = new ImageRenderInfo(processor.Gs().ctm, refi);
processor.renderListener.RenderImage(renderInfo);
}
// ---------------------------------------------------------------------------
public void Write(Stream stream)
{
// step 1
using (Document document = new Document()) {
// step 2
PdfWriter writer = PdfWriter.GetInstance(document, stream);
writer.SetPdfVersion(PdfWriter.PDF_VERSION_1_7);
writer.AddDeveloperExtension(
PdfDeveloperExtension.ADOBE_1_7_EXTENSIONLEVEL3
);
// step 3
document.Open();
// step 4
writer.AddJavaScript(File.ReadAllText(JS));
// we prepare a RichMediaAnnotation
RichMediaAnnotation richMedia = new RichMediaAnnotation(
writer, new Rectangle(36, 560, 561, 760)
);
// we embed the swf file
PdfFileSpecification fs = PdfFileSpecification.FileEmbedded(
writer, RESOURCE, "FestivalCalendar2.swf", null
);
// we declare the swf file as an asset
PdfIndirectReference asset = richMedia.AddAsset(
"FestivalCalendar2.swf", fs
);
// we create a configuration
RichMediaConfiguration configuration = new RichMediaConfiguration(
PdfName.FLASH
);
RichMediaInstance instance = new RichMediaInstance(PdfName.FLASH);
instance.Asset = asset;
configuration.AddInstance(instance);
// we add the configuration to the annotation
PdfIndirectReference configurationRef = richMedia.AddConfiguration(
configuration
);
// activation of the rich media
RichMediaActivation activation = new RichMediaActivation();
activation.Configuration = configurationRef;
richMedia.Activation = activation;
// we add the annotation
PdfAnnotation richMediaAnnotation = richMedia.CreateAnnotation();
richMediaAnnotation.Flags = PdfAnnotation.FLAGS_PRINT;
writer.AddAnnotation(richMediaAnnotation);
String[] days = new String[] {
"2011-10-12", "2011-10-13", "2011-10-14", "2011-10-15",
"2011-10-16", "2011-10-17", "2011-10-18", "2011-10-19"
};
for (int i = 0; i < days.Length; i++)
{
Rectangle rect = new Rectangle(36 + (65 * i), 765, 100 + (65 * i), 780);
PushbuttonField button = new PushbuttonField(writer, rect, "button" + i);
button.BackgroundColor = new GrayColor(0.75f);
button.BorderStyle = PdfBorderDictionary.STYLE_BEVELED;
button.TextColor = GrayColor.GRAYBLACK;
button.FontSize = 12;
button.Text = days[i];
button.Layout = PushbuttonField.LAYOUT_ICON_LEFT_LABEL_RIGHT;
button.ScaleIcon = PushbuttonField.SCALE_ICON_ALWAYS;
button.ProportionalIcon = true;
button.IconHorizontalAdjustment = 0;
PdfFormField field = button.Field;
RichMediaCommand command = new RichMediaCommand(
new PdfString("getDateInfo")
);
command.Arguments = new PdfString(days[i]);
RichMediaExecuteAction action = new RichMediaExecuteAction(
richMediaAnnotation.IndirectReference, command
);
field.Action = action;
writer.AddAnnotation(field);
}
TextField text = new TextField(
writer, new Rectangle(36, 785, 559, 806), "date"
);
text.Options = TextField.READ_ONLY;
writer.AddAnnotation(text.GetTextField());
}
}
/** Each spot color used in a document has an instance of this class.
* @param colorName the color name
* @param indirectReference the indirect reference to the font
* @param scolor the <CODE>PDfSpotColor</CODE>
*/
internal ColorDetails(PdfName colorName, PdfIndirectReference indirectReference, ICachedColorSpace scolor)
{
this.colorSpaceName = colorName;
this.indirectReference = indirectReference;
this.colorSpace = scolor;
}
/**
* Create an ImageRenderInfo object based on an XObject (this is the most common way of including an image in PDF)
* @param ctm the coordinate transformation matrix at the time the image is rendered
* @param ref a reference to the image XObject
* @return the ImageRenderInfo representing the rendered XObject
* @since 5.0.1
*/
public static ImageRenderInfo CreateForXObject(Matrix ctm, PdfIndirectReference refi, PdfDictionary colorSpaceDictionary){
return new ImageRenderInfo(ctm, refi, colorSpaceDictionary);
}
private void OutputDss(PdfDictionary dss, PdfDictionary vrim, PdfArray ocsps, PdfArray crls, PdfArray certs)
{
writer.AddDeveloperExtension(PdfDeveloperExtension.ESIC_1_7_EXTENSIONLEVEL5);
PdfDictionary catalog = reader.Catalog;
stp.MarkUsed(catalog);
foreach (PdfName vkey in validated.Keys)
{
PdfArray ocsp = new PdfArray();
PdfArray crl = new PdfArray();
PdfArray cert = new PdfArray();
PdfDictionary vri = new PdfDictionary();
foreach (byte[] b in validated[vkey].crls)
{
PdfStream ps = new PdfStream(b);
ps.FlateCompress();
PdfIndirectReference iref = writer.AddToBody(ps, false).IndirectReference;
crl.Add(iref);
crls.Add(iref);
}
foreach (byte[] b in validated[vkey].ocsps)
{
PdfStream ps = new PdfStream(b);
ps.FlateCompress();
PdfIndirectReference iref = writer.AddToBody(ps, false).IndirectReference;
ocsp.Add(iref);
ocsps.Add(iref);
}
foreach (byte[] b in validated[vkey].certs)
{
PdfStream ps = new PdfStream(b);
ps.FlateCompress();
PdfIndirectReference iref = writer.AddToBody(ps, false).IndirectReference;
cert.Add(iref);
certs.Add(iref);
}
if (ocsp.Size > 0)
{
vri.Put(PdfName.OCSP, writer.AddToBody(ocsp, false).IndirectReference);
}
if (crl.Size > 0)
{
vri.Put(PdfName.CRL, writer.AddToBody(crl, false).IndirectReference);
}
if (cert.Size > 0)
{
vri.Put(PdfName.CERT, writer.AddToBody(cert, false).IndirectReference);
}
vrim.Put(vkey, writer.AddToBody(vri, false).IndirectReference);
}
dss.Put(PdfName.VRI, writer.AddToBody(vrim, false).IndirectReference);
if (ocsps.Size > 0)
{
dss.Put(PdfName.OCSPS, writer.AddToBody(ocsps, false).IndirectReference);
}
if (crls.Size > 0)
{
dss.Put(PdfName.CRLS, writer.AddToBody(crls, false).IndirectReference);
}
if (certs.Size > 0)
{
dss.Put(PdfName.CERTS, writer.AddToBody(certs, false).IndirectReference);
}
catalog.Put(PdfName.DSS, writer.AddToBody(dss, false).IndirectReference);
}
public PdfPageTree(PdfIndirectReference pages)
: this(pages, null)
{
}
public RefKey(PdfIndirectReference referemce)
{
num = referemce.Number;
gen = referemce.Generation;
}
/**
* Converts an annotation structure item to a Form XObject annotation.
* @param item the structure item
* @throws IOException
*/
virtual protected void ConvertToXObject(StructureObject item)
{
PdfDictionary structElem = item.GetStructElem();
if (structElem == null)
{
return;
}
PdfDictionary dict = item.GetObjAsDict();
if (dict == null || !dict.CheckType(PdfName.ANNOT))
{
return;
}
PdfDictionary ap = dict.GetAsDict(PdfName.AP);
if (ap == null)
{
return;
}
PdfNumber structParent = dict.GetAsNumber(PdfName.STRUCTPARENT);
if (structParent == null)
{
return;
}
PdfStream stream = ap.GetAsStream(PdfName.N);
if (stream == null)
{
return;
}
stream.Put(PdfName.STRUCTPARENT, structParent);
PdfIndirectReference xobjr = ap.GetAsIndirectObject(PdfName.N);
if (xobjr == null)
{
return;
}
// remove the annotation from the page
for (int i = 0; i < annots.Length; i++)
{
PdfIndirectReference annotref = annots.GetAsIndirectObject(i);
if (item.GetObjRef().Number == annotref.Number)
{
annots.Remove(i);
break;
}
}
// replace the existing attributes by a PrintField attribute
PdfDictionary attribute = new PdfDictionary();
attribute.Put(PdfName.O, PdfName.PRINTFIELD);
PdfString description = dict.GetAsString(PdfName.TU);
if (description == null)
{
description = dict.GetAsString(PdfName.T);
}
if (PdfName.BTN.Equals(dict.Get(PdfName.FT)))
{
PdfNumber fflags = dict.GetAsNumber(PdfName.FF);
if (fflags != null)
{
int ff = fflags.IntValue;
if ((ff & PdfFormField.FF_PUSHBUTTON) != 0)
{
attribute.Put(PdfName.ROLE, PdfName.PB);
}
// I don't think the condition below will ever be true
if ((ff & PdfFormField.FF_RADIO) != 0)
{
attribute.Put(PdfName.ROLE, PdfName.rb);
}
else
{
attribute.Put(PdfName.ROLE, PdfName.CB);
}
}
}
else
{
attribute.Put(PdfName.ROLE, PdfName.TV);
}
attribute.Put(PdfName.DESC, description);
// Updating the values of the StructElem dictionary
PdfString t = structElem.GetAsString(PdfName.T);
if (t == null || t.ToString().Trim().Length == 0)
{
structElem.Put(PdfName.T, dict.GetAsString(PdfName.T));
}
structElem.Put(PdfName.A, attribute);
structElem.Put(PdfName.S, PdfName.P);
structElem.Put(PdfName.PG, pageref);
// Defining a new MCID
int mcid = items.ProcessMCID(structParents, item.GetRef());
LOGGER.Info("Using MCID " + mcid);
structElem.Put(PdfName.K, new PdfNumber(mcid));
// removing the annotation from the parent tree
items.RemoveFromParentTree(structParent);
// Adding the XObject to the page
PdfName xobj = new PdfName("XObj" + structParent.IntValue);
LOGGER.Info("Creating XObject with name " + xobj);
xobjects.Put(xobj, xobjr);
PdfArray array = dict.GetAsArray(PdfName.RECT);
// Getting the position of the annotation
Rectangle rect = new Rectangle(
array.GetAsNumber(0).FloatValue, array.GetAsNumber(1).FloatValue,
array.GetAsNumber(2).FloatValue, array.GetAsNumber(3).FloatValue);
rect.Normalize();
// A Do operator is forbidden inside a text block
if (inText && !btWrite)
{
LOGGER.Debug("Introducing extra ET");
byte[] bytes = Encoding.ASCII.GetBytes("ET\n");
baos.Write(bytes, 0, bytes.Length);
etExtra = true;
}
// Writing the marked-content sequence with the Do operator
// Note that the position assumes that the CTM wasn't changed in the graphics state
// TODO: do the math if the CTM did change!
ByteBuffer buf = new ByteBuffer();
buf.Append("/P <</MCID ");
buf.Append(mcid);
buf.Append(">> BDC\n");
buf.Append("q 1 0 0 1 ");
buf.Append(rect.Left.ToString(CultureInfo.InvariantCulture));
buf.Append(" ");
buf.Append(rect.Bottom.ToString(CultureInfo.InvariantCulture));
buf.Append(" cm ");
buf.Append(xobj.GetBytes());
buf.Append(" Do Q\n");
buf.Append("EMC\n");
buf.Flush();
buf.WriteTo(baos);
// if we were inside a text block, we've introduced an ET, so we'll need to write a BT
if (inText)
{
btWrite = true;
}
}
public void HandleXObject(PdfContentStreamProcessor processor, PdfStream stream, PdfIndirectReference refi)
{
PdfDictionary resources = stream.GetAsDict(PdfName.RESOURCES);
// we read the content bytes up here so if it fails we don't leave the graphics state stack corrupted
// this is probably not necessary (if we fail on this, probably the entire content stream processing
// operation should be rejected
byte[] contentBytes;
contentBytes = ContentByteUtils.GetContentBytesFromContentObject(stream);
PdfArray matrix = stream.GetAsArray(PdfName.MATRIX);
new PushGraphicsState().Invoke(processor, null, null);
if (matrix != null)
{
float a = matrix.GetAsNumber(0).FloatValue;
float b = matrix.GetAsNumber(1).FloatValue;
float c = matrix.GetAsNumber(2).FloatValue;
float d = matrix.GetAsNumber(3).FloatValue;
float e = matrix.GetAsNumber(4).FloatValue;
float f = matrix.GetAsNumber(5).FloatValue;
Matrix formMatrix = new Matrix(a, b, c, d, e, f);
processor.Gs().ctm = formMatrix.Multiply(processor.Gs().ctm);
}
processor.ProcessContent(contentBytes, resources);
new PopGraphicsState().Invoke(processor, null, null);
}
/**
* Create an ImageRenderInfo object based on an XObject (this is the most common way of including an image in PDF)
* @param ctm the coordinate transformation matrix at the time the image is rendered
* @param ref a reference to the image XObject
* @return the ImageRenderInfo representing the rendered XObject
* @since 5.0.1
*/
public static ImageRenderInfo CreateForXObject(GraphicsState gs, PdfIndirectReference refi, PdfDictionary colorSpaceDictionary)
{
return new ImageRenderInfo(gs, refi, colorSpaceDictionary);
}
public void HandleXObject(PdfContentStreamProcessor processor, PdfStream stream, PdfIndirectReference refi) {
PdfDictionary resources = stream.GetAsDict(PdfName.RESOURCES);
// we read the content bytes up here so if it fails we don't leave the graphics state stack corrupted
// this is probably not necessary (if we fail on this, probably the entire content stream processing
// operation should be rejected
byte[] contentBytes;
contentBytes = ContentByteUtils.GetContentBytesFromContentObject(stream);
PdfArray matrix = stream.GetAsArray(PdfName.MATRIX);
new PushGraphicsState().Invoke(processor, null, null);
if (matrix != null){
float a = matrix.GetAsNumber(0).FloatValue;
float b = matrix.GetAsNumber(1).FloatValue;
float c = matrix.GetAsNumber(2).FloatValue;
float d = matrix.GetAsNumber(3).FloatValue;
float e = matrix.GetAsNumber(4).FloatValue;
float f = matrix.GetAsNumber(5).FloatValue;
Matrix formMatrix = new Matrix(a, b, c, d, e, f);
processor.Gs().ctm = formMatrix.Multiply(processor.Gs().ctm);
}
processor.ProcessContent(contentBytes, resources);
new PopGraphicsState().Invoke(processor, null, null);
}
/**
* Parses the content of a page, replacing appearances of annotations
* with Form XObjects.
* @param page a page dictionary
* @throws IOException
*/
virtual public void Parse(PdfDictionary page, PdfIndirectReference pageref) {
LOGGER.Info("Parsing page with reference " + pageref);
// initializing member variables
baos = new MemoryStream();
this.page = page;
this.pageref = pageref;
structParents = page.GetAsNumber(PdfName.STRUCTPARENTS);
if(structParents == null)
throw new DocumentException(MessageLocalization.GetComposedMessage("can.t.read.document.structure"));
annots = page.GetAsArray(PdfName.ANNOTS);
if(annots == null)
annots = new PdfArray();
PdfDictionary resources = page.GetAsDict(PdfName.RESOURCES);
xobjects = resources.GetAsDict(PdfName.XOBJECT);
if (xobjects == null) {
xobjects = new PdfDictionary();
resources.Put(PdfName.XOBJECT, xobjects);
}
// parsing the content stream of the page
PRStream stream = (PRStream) page.GetAsStream(PdfName.CONTENTS);
byte[] contentBytes = PdfReader.GetStreamBytes(stream);
PRTokeniser tokeniser = new PRTokeniser(new RandomAccessFileOrArray(RASFACTORY.CreateSource(contentBytes)));
PdfContentParser ps = new PdfContentParser(tokeniser);
List<PdfObject> operands = new List<PdfObject>();
while (ps.Parse(operands).Count > 0) {
PdfLiteral opr = (PdfLiteral) operands[operands.Count - 1];
ProcessOperator(opr, operands);
}
// dealing with orphans
while (items.Count > 0 && items[0].GetPageref() == pageref.Number) {
StructureItem item = items[0];
if (item is StructureObject) {
ConvertToXObject((StructureObject) item);
items.RemoveAt(0);
}
}
if(annots.Length == 0) {
page.Remove(PdfName.ANNOTS);
}
else {
PdfDictionary annot;
for(int i = 0; i < annots.Size; i++) {
annot = annots.GetAsDict(i);
if(annot.GetAsNumber(PdfName.STRUCTPARENT) == null)
throw new DocumentException(MessageLocalization.GetComposedMessage("could.not.flatten.file.untagged.annotations.found"));
}
}
// replacing the content stream
baos.Flush();
baos.Close();
stream.SetData(baos.ToArray());
// showing how many items are left
LOGGER.Info(String.Format("There are {0} items left for processing", items.Count));
}
public void HandleXObject(PdfContentStreamProcessor processor, PdfStream xobjectStream, PdfIndirectReference refi) {
// ignore XObject subtype
}
/** Each spot color used in a document has an instance of this class.
* @param colorName the color name
* @param indirectReference the indirect reference to the font
* @param scolor the <CODE>PDfSpotColor</CODE>
*/
internal ColorDetails(PdfName colorName, PdfIndirectReference indirectReference, ICachedColorSpace scolor) {
this.colorSpaceName = colorName;
this.indirectReference = indirectReference;
this.colorSpace = scolor;
}
/**
* Create an ImageRenderInfo object based on an XObject (this is the most common way of including an image in PDF)
* @param ctm the coordinate transformation matrix at the time the image is rendered
* @param ref a reference to the image XObject
* @return the ImageRenderInfo representing the rendered XObject
* @since 5.0.1
*/
public static ImageRenderInfo CreateForXObject(Matrix ctm, PdfIndirectReference refi, PdfDictionary colorSpaceDictionary)
{
return(new ImageRenderInfo(ctm, refi, colorSpaceDictionary));
}
public void HandleXObject(PdfContentStreamProcessor processor, PdfStream xobjectStream, PdfIndirectReference refi)
{
PdfDictionary colorSpaceDic = processor.resources.GetAsDict(PdfName.COLORSPACE);
ImageRenderInfo renderInfo = ImageRenderInfo.CreateForXObject(processor.Gs().ctm, refi, colorSpaceDic);
processor.renderListener.RenderImage(renderInfo);
}
/**
* Create an ImageRenderInfo object based on an XObject (this is the most common way of including an image in PDF)
* @param ctm the coordinate transformation matrix at the time the image is rendered
* @param ref a reference to the image XObject
* @return the ImageRenderInfo representing the rendered XObject
* @since 5.0.1
*/
public static ImageRenderInfo CreateForXObject(GraphicsState gs, PdfIndirectReference refi, PdfDictionary colorSpaceDictionary)
{
return(new ImageRenderInfo(gs, refi, colorSpaceDictionary));
}
public void HandleXObject(PdfContentStreamProcessor processor, PdfStream xobjectStream, PdfIndirectReference refi) {
PdfDictionary colorSpaceDic = processor.resources.GetAsDict(PdfName.COLORSPACE);
ImageRenderInfo renderInfo = ImageRenderInfo.CreateForXObject(processor.Gs().ctm, refi, colorSpaceDic);
processor.renderListener.RenderImage(renderInfo);
}
public void HandleXObject(PdfContentStreamProcessor processor, PdfStream xobjectStream, PdfIndirectReference refi)
{
// ignore XObject subtype
}
private ImageRenderInfo(Matrix ctm, PdfIndirectReference refi, PdfDictionary colorSpaceDictionary) {
this.ctm = ctm;
this.refi = refi;
this.inlineImageInfo = null;
this.colorSpaceDictionary = colorSpaceDictionary;
}
public void OneFile_LinksToTheNextFile_UpdatesLink(string exeFileName)
{
HtmlToPdfRunner runner = new HtmlToPdfRunner(exeFileName);
string htmlFile2Contents = @"
<html>
<head>
</head>
<body>
Page 2
</body>
</html>";
using (TempHtmlFile htmlFile2 = new TempHtmlFile(htmlFile2Contents))
{
string htmlFile1Contents = $@"
<html>
<head>
</head>
<body>
Page 1
<br/>
<a href=""{htmlFile2.FilePath}"">Page 2</a>
</body>
</html>";
using (TempHtmlFile htmlFile1 = new TempHtmlFile(htmlFile1Contents))
{
using (TempPdfFile pdfFile = new TempPdfFile(this.TestContext))
{
string commandLine = $"\"{htmlFile1.FilePath}\" \"{htmlFile2.FilePath}\" \"{pdfFile.FilePath}\"";
HtmlToPdfRunResult result = runner.Run(commandLine);
Assert.AreEqual(0, result.ExitCode, result.Output);
using (PdfReader pdfReader = new PdfReader(pdfFile.FilePath))
{
using (PdfDocument pdfDocument = new PdfDocument(pdfReader))
{
Assert.AreEqual(2, pdfDocument.GetNumberOfPages());
// get the first page
PdfPage pdfPage = pdfDocument.GetPage(1);
// get link annotations
List <PdfLinkAnnotation> linkAnnotations = pdfPage.GetAnnotations().OfType <PdfLinkAnnotation>().ToList();
Assert.AreEqual(1, linkAnnotations.Count);
// get the first link annotation
PdfLinkAnnotation linkAnnotation = linkAnnotations.ElementAt(0);
Assert.IsNotNull(linkAnnotation);
// get action
PdfDictionary action = linkAnnotation.GetAction();
Assert.IsNotNull(action);
// get GoTo sub-type
PdfName s = action.GetAsName(PdfName.S);
if (exeFileName == HtmlToPdfRunner.HtmlToPdfExe)
{
Assert.AreEqual(PdfName.GoTo, s);
// get destination
PdfArray destination = action.GetAsArray(PdfName.D);
PdfIndirectReference destinationPageReference = destination.GetAsDictionary(0).GetIndirectReference();
PdfName zoom = destination.GetAsName(1);
PdfNumber pageOffset = destination.GetAsNumber(2);
// get expected values
PdfPage pdfPage2 = pdfDocument.GetPage(2);
PdfDictionary page2Dictionary = pdfPage2.GetPdfObject();
PdfIndirectReference expectedPageReference = page2Dictionary.GetIndirectReference();
PdfName expectedZoom = PdfName.FitH;
float expectedPageOffset = pdfPage2.GetPageSize().GetTop();
// assert
Assert.AreEqual(expectedPageReference, destinationPageReference);
Assert.AreEqual(expectedZoom, zoom);
Assert.AreEqual(expectedPageOffset, pageOffset.FloatValue());
}
else if (exeFileName == HtmlToPdfRunner.WkhtmltopdfExe)
{
Assert.AreEqual(PdfName.URI, s);
PdfString uri = action.GetAsString(PdfName.URI);
Assert.AreEqual(htmlFile2.FilePath, HttpUtility.UrlDecode(uri.ToString()));
}
}
}
}
}
}
}