/**
* Constructs a PDF Collection Sort Dictionary.
* @param keys the keys of the fields that will be used to sort entries
*/
public PdfCollectionSort(String[] keys)
: base(PdfName.COLLECTIONSORT)
{
PdfArray array = new PdfArray();
for (int i = 0; i < keys.Length; i++) {
array.Add(new PdfName(keys[i]));
}
Put(PdfName.S, array);
}
/**
* Defines the sort order of the field (ascending or descending).
* @param ascending an array with every element corresponding with a name of a field.
*/
public void SetSortOrder(bool[] ascending)
{
PdfObject o = (PdfObject)Get(PdfName.S);
if (o is PdfArray) {
if (((PdfArray)o).Size != ascending.Length) {
throw new InvalidOperationException("The number of booleans in this array doesn't correspond with the number of fields.");
}
PdfArray array = new PdfArray();
for (int i = 0; i < ascending.Length; i++) {
array.Add(new PdfBoolean(ascending[i]));
}
Put(PdfName.A, array);
}
else {
throw new InvalidOperationException("You need a single bool for this collection sort dictionary.");
}
}
public PdfArray RotateAnnotations(PdfWriter writer, Rectangle pageSize)
{
PdfArray array = new PdfArray();
int rotation = pageSize.Rotation % 360;
int currentPage = writer.CurrentPageNumber;
for (int k = 0; k < annotations.Count; ++k) {
PdfAnnotation dic = (PdfAnnotation)annotations[k];
int page = dic.PlaceInPage;
if (page > currentPage) {
delayedAnnotations.Add(dic);
continue;
}
if (dic.IsForm()) {
if (!dic.IsUsed()) {
Hashtable templates = dic.Templates;
if (templates != null)
acroForm.AddFieldTemplates(templates);
}
PdfFormField field = (PdfFormField)dic;
if (field.Parent == null)
acroForm.AddDocumentField(field.IndirectReference);
}
if (dic.IsAnnotation()) {
array.Add(dic.IndirectReference);
if (!dic.IsUsed()) {
PdfRectangle rect = (PdfRectangle)dic.Get(PdfName.RECT);
if (rect != null) {
switch (rotation) {
case 90:
dic.Put(PdfName.RECT, new PdfRectangle(
pageSize.Top - rect.Bottom,
rect.Left,
pageSize.Top - rect.Top,
rect.Right));
break;
case 180:
dic.Put(PdfName.RECT, new PdfRectangle(
pageSize.Right - rect.Left,
pageSize.Top - rect.Bottom,
pageSize.Right - rect.Right,
pageSize.Top - rect.Top));
break;
case 270:
dic.Put(PdfName.RECT, new PdfRectangle(
rect.Bottom,
pageSize.Right - rect.Left,
rect.Top,
pageSize.Right - rect.Right));
break;
}
}
}
}
if (!dic.IsUsed()) {
dic.SetUsed();
writer.AddToBody(dic, dic.IndirectReference);
}
}
return array;
}
internal Color GetMKColor(PdfArray ar)
{
if (ar == null)
return null;
switch (ar.Size) {
case 1:
return new GrayColor(ar.GetAsNumber(0).FloatValue);
case 3:
return new Color(ExtendedColor.Normalize(ar.GetAsNumber(0).FloatValue), ExtendedColor.Normalize(ar.GetAsNumber(1).FloatValue), ExtendedColor.Normalize(ar.GetAsNumber(2).FloatValue));
case 4:
return new CMYKColor(ar.GetAsNumber(0).FloatValue, ar.GetAsNumber(1).FloatValue, ar.GetAsNumber(2).FloatValue, ar.GetAsNumber(3).FloatValue);
default:
return null;
}
}
/**
* Sets the option list for fields of type list or combo. One of <CODE>exportValues</CODE>
* or <CODE>displayValues</CODE> may be <CODE>null</CODE> but not both. This method will only
* set the list but will not set the value or appearance. For that, calling <CODE>setField()</CODE>
* is required.
* <p>
* An example:
* <p>
* <PRE>
* PdfReader pdf = new PdfReader("input.pdf");
* PdfStamper stp = new PdfStamper(pdf, new FileOutputStream("output.pdf"));
* AcroFields af = stp.GetAcroFields();
* af.SetListOption("ComboBox", new String[]{"a", "b", "c"}, new String[]{"first", "second", "third"});
* af.SetField("ComboBox", "b");
* stp.Close();
* </PRE>
* @param fieldName the field name
* @param exportValues the export values
* @param displayValues the display values
* @return <CODE>true</CODE> if the operation succeeded, <CODE>false</CODE> otherwise
*/
public bool SetListOption(String fieldName, String[] exportValues, String[] displayValues)
{
if (exportValues == null && displayValues == null)
return false;
if (exportValues != null && displayValues != null && exportValues.Length != displayValues.Length)
throw new ArgumentException("The export and the display array must have the same size.");
int ftype = GetFieldType(fieldName);
if (ftype != FIELD_TYPE_COMBO && ftype != FIELD_TYPE_LIST)
return false;
Item fd = (Item)fields[fieldName];
String[] sing = null;
if (exportValues == null && displayValues != null)
sing = displayValues;
else if (exportValues != null && displayValues == null)
sing = exportValues;
PdfArray opt = new PdfArray();
if (sing != null) {
for (int k = 0; k < sing.Length; ++k)
opt.Add(new PdfString(sing[k], PdfObject.TEXT_UNICODE));
}
else {
for (int k = 0; k < exportValues.Length; ++k) {
PdfArray a = new PdfArray();
a.Add(new PdfString(exportValues[k], PdfObject.TEXT_UNICODE));
a.Add(new PdfString(displayValues[k], PdfObject.TEXT_UNICODE));
opt.Add(a);
}
}
fd.WriteToAll( PdfName.OPT, opt, Item.WRITE_VALUE | Item.WRITE_MERGED );
return true;
}
private void AddASEvent(PdfName eventa, PdfName category)
{
PdfArray arr = new PdfArray();
foreach (PdfLayer layer in documentOCG.Keys) {
PdfDictionary usage = (PdfDictionary)layer.Get(PdfName.USAGE);
if (usage != null && usage.Get(category) != null)
arr.Add(layer.Ref);
}
if (arr.Size == 0)
return;
PdfDictionary d = (PdfDictionary)vOCProperties.Get(PdfName.D);
PdfArray arras = (PdfArray)d.Get(PdfName.AS);
if (arras == null) {
arras = new PdfArray();
d.Put(PdfName.AS, arras);
}
PdfDictionary asa = new PdfDictionary();
asa.Put(PdfName.EVENT, eventa);
asa.Put(PdfName.CATEGORY, new PdfArray(category));
asa.Put(PdfName.OCGS, arr);
arras.Add(asa);
}
protected void FillOCProperties(bool erase)
{
if (vOCProperties == null)
vOCProperties = new PdfOCProperties();
if (erase) {
vOCProperties.Remove(PdfName.OCGS);
vOCProperties.Remove(PdfName.D);
}
if (vOCProperties.Get(PdfName.OCGS) == null) {
PdfArray gr = new PdfArray();
foreach (PdfLayer layer in documentOCG.Keys) {
gr.Add(layer.Ref);
}
vOCProperties.Put(PdfName.OCGS, gr);
}
if (vOCProperties.Get(PdfName.D) != null)
return;
ArrayList docOrder = new ArrayList(documentOCGorder);
for (ListIterator it = new ListIterator(docOrder); it.HasNext();) {
PdfLayer layer = (PdfLayer)it.Next();
if (layer.Parent != null)
it.Remove();
}
PdfArray order = new PdfArray();
foreach (PdfLayer layer in docOrder) {
GetOCGOrder(order, layer);
}
PdfDictionary d = new PdfDictionary();
vOCProperties.Put(PdfName.D, d);
d.Put(PdfName.ORDER, order);
PdfArray grx = new PdfArray();
foreach (PdfLayer layer in documentOCG.Keys) {
if (!layer.On)
grx.Add(layer.Ref);
}
if (grx.Size > 0)
d.Put(PdfName.OFF, grx);
if (OCGRadioGroup.Size > 0)
d.Put(PdfName.RBGROUPS, OCGRadioGroup);
if (OCGLocked.Size > 0)
d.Put(PdfName.LOCKED, OCGLocked);
AddASEvent(PdfName.VIEW, PdfName.ZOOM);
AddASEvent(PdfName.VIEW, PdfName.VIEW);
AddASEvent(PdfName.PRINT, PdfName.PRINT);
AddASEvent(PdfName.EXPORT, PdfName.EXPORT);
d.Put(PdfName.LISTMODE, PdfName.VISIBLEPAGES);
}
/**
* Signals that the <CODE>Document</CODE> has been opened and that
* <CODE>Elements</CODE> can be added.
* <P>
* When this method is called, the PDF-document header is
* written to the outputstream.
*/
public override void Open()
{
base.Open();
pdf_version.WriteHeader(os);
body = new PdfBody(this);
if (pdfxConformance.IsPdfX32002()) {
PdfDictionary sec = new PdfDictionary();
sec.Put(PdfName.GAMMA, new PdfArray(new float[]{2.2f,2.2f,2.2f}));
sec.Put(PdfName.MATRIX, new PdfArray(new float[]{0.4124f,0.2126f,0.0193f,0.3576f,0.7152f,0.1192f,0.1805f,0.0722f,0.9505f}));
sec.Put(PdfName.WHITEPOINT, new PdfArray(new float[]{0.9505f,1f,1.089f}));
PdfArray arr = new PdfArray(PdfName.CALRGB);
arr.Add(sec);
SetDefaultColorspace(PdfName.DEFAULTRGB, AddToBody(arr).IndirectReference);
}
}
/**
* Sets a collection of optional content groups whose states are intended to follow
* a "radio button" paradigm. That is, the state of at most one optional
* content group in the array should be ON at a time: if one group is turned
* ON, all others must be turned OFF.
* @param group the radio group
*/
public void AddOCGRadioGroup(ArrayList group)
{
PdfArray ar = new PdfArray();
for (int k = 0; k < group.Count; ++k) {
PdfLayer layer = (PdfLayer)group[k];
if (layer.Title == null)
ar.Add(layer.Ref);
}
if (ar.Size == 0)
return;
OCGRadioGroup.Add(ar);
}
public static PdfAnnotation CreateLine(PdfWriter writer, Rectangle rect, string contents, float x1, float y1, float x2, float y2)
{
PdfAnnotation annot = new PdfAnnotation(writer, rect);
annot.Put(PdfName.SUBTYPE, PdfName.LINE);
annot.Put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
PdfArray array = new PdfArray(new PdfNumber(x1));
array.Add(new PdfNumber(y1));
array.Add(new PdfNumber(x2));
array.Add(new PdfNumber(y2));
annot.Put(PdfName.L, array);
return annot;
}
public static PdfAnnotation CreateInk(PdfWriter writer, Rectangle rect, string contents, float[][] inkList)
{
PdfAnnotation annot = new PdfAnnotation(writer, rect);
annot.Put(PdfName.SUBTYPE, PdfName.INK);
annot.Put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
PdfArray outer = new PdfArray();
for (int k = 0; k < inkList.Length; ++k) {
PdfArray inner = new PdfArray();
float[] deep = inkList[k];
for (int j = 0; j < deep.Length; ++j)
inner.Add(new PdfNumber(deep[j]));
outer.Add(inner);
}
annot.Put(PdfName.INKLIST, outer);
return annot;
}
/**
* Reads next frame image
*/
protected void ReadImage()
{
ix = ReadShort(); // (sub)image position & size
iy = ReadShort();
iw = ReadShort();
ih = ReadShort();
int packed = inp.ReadByte();
lctFlag = (packed & 0x80) != 0; // 1 - local color table flag
interlace = (packed & 0x40) != 0; // 2 - interlace flag
// 3 - sort flag
// 4-5 - reserved
lctSize = 2 << (packed & 7); // 6-8 - local color table size
m_bpc = NewBpc(m_gbpc);
if (lctFlag) {
m_curr_table = ReadColorTable((packed & 7) + 1); // read table
m_bpc = NewBpc((packed & 7) + 1);
}
else {
m_curr_table = m_global_table;
}
if (transparency && transIndex >= m_curr_table.Length / 3)
transparency = false;
if (transparency && m_bpc == 1) { // Acrobat 5.05 doesn't like this combination
byte[] tp = new byte[12];
Array.Copy(m_curr_table, 0, tp, 0, 6);
m_curr_table = tp;
m_bpc = 2;
}
bool skipZero = DecodeImageData(); // decode pixel data
if (!skipZero)
Skip();
Image img = null;
img = new ImgRaw(iw, ih, 1, m_bpc, m_out);
PdfArray colorspace = new PdfArray();
colorspace.Add(PdfName.INDEXED);
colorspace.Add(PdfName.DEVICERGB);
int len = m_curr_table.Length;
colorspace.Add(new PdfNumber(len / 3 - 1));
colorspace.Add(new PdfString(m_curr_table));
PdfDictionary ad = new PdfDictionary();
ad.Put(PdfName.COLORSPACE, colorspace);
img.Additional = ad;
if (transparency) {
img.Transparency = new int[]{transIndex, transIndex};
}
img.OriginalType = Image.ORIGINAL_GIF;
img.OriginalData = fromData;
img.Url = fromUrl;
GifFrame gf = new GifFrame();
gf.image = img;
gf.ix = ix;
gf.iy = iy;
frames.Add(gf); // add image to frame list
//ResetFrame();
}
public void AddAnnotation(PdfAnnotation annot)
{
ArrayList allAnnots = new ArrayList();
if (annot.IsForm())
{
PdfFormField field = (PdfFormField)annot;
if (field.Parent != null)
{
return;
}
ExpandFields(field, allAnnots);
if (cstp.fieldTemplates == null)
{
cstp.fieldTemplates = new Hashtable();
}
}
else
{
allAnnots.Add(annot);
}
for (int k = 0; k < allAnnots.Count; ++k)
{
annot = (PdfAnnotation)allAnnots[k];
if (annot.IsForm())
{
if (!annot.IsUsed())
{
Hashtable templates = annot.Templates;
if (templates != null)
{
foreach (object tpl in templates.Keys)
{
cstp.fieldTemplates[tpl] = null;
}
}
}
PdfFormField field = (PdfFormField)annot;
if (field.Parent == null)
{
AddDocumentField(field.IndirectReference);
}
}
if (annot.IsAnnotation())
{
PdfObject pdfobj = PdfReader.GetPdfObject(pageN.Get(PdfName.ANNOTS), pageN);
PdfArray annots = null;
if (pdfobj == null || !pdfobj.IsArray())
{
annots = new PdfArray();
pageN.Put(PdfName.ANNOTS, annots);
}
else
{
annots = (PdfArray)pdfobj;
}
annots.Add(annot.IndirectReference);
if (!annot.IsUsed())
{
PdfRectangle rect = (PdfRectangle)annot.Get(PdfName.RECT);
if (rect != null && (rect.Left != 0 || rect.Right != 0 || rect.Top != 0 || rect.Bottom != 0))
{
int rotation = reader.GetPageRotation(pageN);
Rectangle pageSize = reader.GetPageSizeWithRotation(pageN);
switch (rotation)
{
case 90:
annot.Put(PdfName.RECT, new PdfRectangle(
pageSize.Top - rect.Bottom,
rect.Left,
pageSize.Top - rect.Top,
rect.Right));
break;
case 180:
annot.Put(PdfName.RECT, new PdfRectangle(
pageSize.Right - rect.Left,
pageSize.Top - rect.Bottom,
pageSize.Right - rect.Right,
pageSize.Top - rect.Top));
break;
case 270:
annot.Put(PdfName.RECT, new PdfRectangle(
rect.Bottom,
pageSize.Right - rect.Left,
rect.Top,
pageSize.Right - rect.Right));
break;
}
}
}
}
if (!annot.IsUsed())
{
annot.SetUsed();
cstp.AddToBody(annot, annot.IndirectReference);
}
}
}
public void AlterContents()
{
if (over == null && under == null)
{
return;
}
PdfArray ar = null;
PdfObject content = PdfReader.GetPdfObject(pageN.Get(PdfName.CONTENTS), pageN);
if (content == null)
{
ar = new PdfArray();
pageN.Put(PdfName.CONTENTS, ar);
}
else if (content.IsArray())
{
ar = (PdfArray)content;
}
else if (content.IsStream())
{
ar = new PdfArray();
ar.Add(pageN.Get(PdfName.CONTENTS));
pageN.Put(PdfName.CONTENTS, ar);
}
else
{
ar = new PdfArray();
pageN.Put(PdfName.CONTENTS, ar);
}
ByteBuffer out_p = new ByteBuffer();
if (under != null)
{
out_p.Append(PdfContents.SAVESTATE);
ApplyRotation(pageN, out_p);
out_p.Append(under.InternalBuffer);
out_p.Append(PdfContents.RESTORESTATE);
}
if (over != null)
{
out_p.Append(PdfContents.SAVESTATE);
}
PdfStream stream = new PdfStream(out_p.ToByteArray());
stream.FlateCompress(cstp.CompressionLevel);
PdfIndirectReference ref1 = cstp.AddToBody(stream).IndirectReference;
ar.AddFirst(ref1);
out_p.Reset();
if (over != null)
{
out_p.Append(' ');
out_p.Append(PdfContents.RESTORESTATE);
out_p.Append(PdfContents.SAVESTATE);
ApplyRotation(pageN, out_p);
out_p.Append(over.InternalBuffer);
out_p.Append(PdfContents.RESTORESTATE);
stream = new PdfStream(out_p.ToByteArray());
stream.FlateCompress(cstp.CompressionLevel);
ar.Add(cstp.AddToBody(stream).IndirectReference);
}
pageN.Put(PdfName.RESOURCES, pageResources.Resources);
}
/**
* Creates a name tree.
* @param items the item of the name tree. The key is a <CODE>String</CODE>
* and the value is a <CODE>PdfObject</CODE>. Note that although the
* keys are strings only the lower byte is used and no check is made for chars
* with the same lower byte and different upper byte. This will generate a wrong
* tree name.
* @param writer the writer
* @throws IOException on error
* @return the dictionary with the name tree. This dictionary is the one
* generally pointed to by the key /Dests, for example
*/
public static PdfDictionary WriteTree(Hashtable items, PdfWriter writer)
{
if (items.Count == 0)
return null;
String[] names = new String[items.Count];
items.Keys.CopyTo(names, 0);
Array.Sort(names);
if (names.Length <= leafSize) {
PdfDictionary dic = new PdfDictionary();
PdfArray ar = new PdfArray();
for (int k = 0; k < names.Length; ++k) {
ar.Add(new PdfString(names[k], null));
ar.Add((PdfObject)items[names[k]]);
}
dic.Put(PdfName.NAMES, ar);
return dic;
}
int skip = leafSize;
PdfIndirectReference[] kids = new PdfIndirectReference[(names.Length + leafSize - 1) / leafSize];
for (int k = 0; k < kids.Length; ++k) {
int offset = k * leafSize;
int end = Math.Min(offset + leafSize, names.Length);
PdfDictionary dic = new PdfDictionary();
PdfArray arr = new PdfArray();
arr.Add(new PdfString(names[offset], null));
arr.Add(new PdfString(names[end - 1], null));
dic.Put(PdfName.LIMITS, arr);
arr = new PdfArray();
for (; offset < end; ++offset) {
arr.Add(new PdfString(names[offset], null));
arr.Add((PdfObject)items[names[offset]]);
}
dic.Put(PdfName.NAMES, arr);
kids[k] = writer.AddToBody(dic).IndirectReference;
}
int top = kids.Length;
while (true) {
if (top <= leafSize) {
PdfArray arr = new PdfArray();
for (int k = 0; k < top; ++k)
arr.Add(kids[k]);
PdfDictionary dic = new PdfDictionary();
dic.Put(PdfName.KIDS, arr);
return dic;
}
skip *= leafSize;
int tt = (names.Length + skip - 1 )/ skip;
for (int k = 0; k < tt; ++k) {
int offset = k * leafSize;
int end = Math.Min(offset + leafSize, top);
PdfDictionary dic = new PdfDictionary();
PdfArray arr = new PdfArray();
arr.Add(new PdfString(names[k * skip], null));
arr.Add(new PdfString(names[Math.Min((k + 1) * skip, names.Length) - 1], null));
dic.Put(PdfName.LIMITS, arr);
arr = new PdfArray();
for (; offset < end; ++offset) {
arr.Add(kids[offset]);
}
dic.Put(PdfName.KIDS, arr);
kids[k] = writer.AddToBody(dic).IndirectReference;
}
top = tt;
}
}
public static PdfAnnotation CreateMarkup(PdfWriter writer, Rectangle rect, string contents, int type, float[] quadPoints)
{
PdfAnnotation annot = new PdfAnnotation(writer, rect);
PdfName name = PdfName.HIGHLIGHT;
switch (type) {
case MARKUP_UNDERLINE:
name = PdfName.UNDERLINE;
break;
case MARKUP_STRIKEOUT:
name = PdfName.STRIKEOUT;
break;
case MARKUP_SQUIGGLY:
name = PdfName.SQUIGGLY;
break;
}
annot.Put(PdfName.SUBTYPE, name);
annot.Put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
PdfArray array = new PdfArray();
for (int k = 0; k < quadPoints.Length; ++k)
array.Add(new PdfNumber(quadPoints[k]));
annot.Put(PdfName.QUADPOINTS, array);
return annot;
}
/** Generates the font dictionary for this font.
* @return the PdfDictionary containing the font dictionary
* @param firstChar the first valid character
* @param lastChar the last valid character
* @param shortTag a 256 bytes long <CODE>byte</CODE> array where each unused byte is represented by 0
* @param fontDescriptor the indirect reference to a PdfDictionary containing the font descriptor or <CODE>null</CODE>
*/
private PdfDictionary GetFontBaseType(PdfIndirectReference fontDescriptor, int firstChar, int lastChar, byte[] shortTag)
{
PdfDictionary dic = new PdfDictionary(PdfName.FONT);
dic.Put(PdfName.SUBTYPE, PdfName.TYPE1);
dic.Put(PdfName.BASEFONT, new PdfName(FontName));
bool stdEncoding = encoding.Equals(CP1252) || encoding.Equals(MACROMAN);
if (!fontSpecific || specialMap != null)
{
for (int k = firstChar; k <= lastChar; ++k)
{
if (!differences[k].Equals(notdef))
{
firstChar = k;
break;
}
}
if (stdEncoding)
{
dic.Put(PdfName.ENCODING, encoding.Equals(CP1252) ? PdfName.WIN_ANSI_ENCODING : PdfName.MAC_ROMAN_ENCODING);
}
else
{
PdfDictionary enc = new PdfDictionary(PdfName.ENCODING);
PdfArray dif = new PdfArray();
bool gap = true;
for (int k = firstChar; k <= lastChar; ++k)
{
if (shortTag[k] != 0)
{
if (gap)
{
dif.Add(new PdfNumber(k));
gap = false;
}
dif.Add(new PdfName(differences[k]));
}
else
{
gap = true;
}
}
enc.Put(PdfName.DIFFERENCES, dif);
dic.Put(PdfName.ENCODING, enc);
}
}
if (specialMap != null || forceWidthsOutput || !(builtinFont && (fontSpecific || stdEncoding)))
{
dic.Put(PdfName.FIRSTCHAR, new PdfNumber(firstChar));
dic.Put(PdfName.LASTCHAR, new PdfNumber(lastChar));
PdfArray wd = new PdfArray();
for (int k = firstChar; k <= lastChar; ++k)
{
if (shortTag[k] == 0)
{
wd.Add(new PdfNumber(0));
}
else
{
wd.Add(new PdfNumber(widths[k]));
}
}
dic.Put(PdfName.WIDTHS, wd);
}
if (!builtinFont && fontDescriptor != null)
{
dic.Put(PdfName.FONTDESCRIPTOR, fontDescriptor);
}
return(dic);
}
public static PdfArray GetMKColor(Color color)
{
PdfArray array = new PdfArray();
int type = ExtendedColor.GetType(color);
switch (type) {
case ExtendedColor.TYPE_GRAY: {
array.Add(new PdfNumber(((GrayColor)color).Gray));
break;
}
case ExtendedColor.TYPE_CMYK: {
CMYKColor cmyk = (CMYKColor)color;
array.Add(new PdfNumber(cmyk.Cyan));
array.Add(new PdfNumber(cmyk.Magenta));
array.Add(new PdfNumber(cmyk.Yellow));
array.Add(new PdfNumber(cmyk.Black));
break;
}
case ExtendedColor.TYPE_SEPARATION:
case ExtendedColor.TYPE_PATTERN:
case ExtendedColor.TYPE_SHADING:
throw new Exception("Separations, patterns and shadings are not allowed in MK dictionary.");
default:
array.Add(new PdfNumber(color.R / 255f));
array.Add(new PdfNumber(color.G / 255f));
array.Add(new PdfNumber(color.B / 255f));
break;
}
return array;
}
/**
* Signals that the <CODE>Document</CODE> was closed and that no other
* <CODE>Elements</CODE> will be added.
* <P>
* The pages-tree is built and written to the outputstream.
* A Catalog is constructed, as well as an Info-object,
* the referencetable is composed and everything is written
* to the outputstream embedded in a Trailer.
*/
public override void Close()
{
if (open) {
if ((currentPageNumber - 1) != pageReferences.Count)
throw new Exception("The page " + pageReferences.Count +
" was requested but the document has only " + (currentPageNumber - 1) + " pages.");
pdf.Close();
AddSharedObjectsToBody();
// add the root to the body
PdfIndirectReference rootRef = root.WritePageTree();
// make the catalog-object and add it to the body
PdfDictionary catalog = GetCatalog(rootRef);
// [C9] if there is XMP data to add: add it
if (xmpMetadata != null) {
PdfStream xmp = new PdfStream(xmpMetadata);
xmp.Put(PdfName.TYPE, PdfName.METADATA);
xmp.Put(PdfName.SUBTYPE, PdfName.XML);
if (crypto != null && !crypto.IsMetadataEncrypted()) {
PdfArray ar = new PdfArray();
ar.Add(PdfName.CRYPT);
xmp.Put(PdfName.FILTER, ar);
}
catalog.Put(PdfName.METADATA, body.Add(xmp).IndirectReference);
}
// [C10] make pdfx conformant
if (IsPdfX()) {
pdfxConformance.CompleteInfoDictionary(Info);
pdfxConformance.CompleteExtraCatalog(ExtraCatalog);
}
// [C11] Output Intents
if (extraCatalog != null) {
catalog.MergeDifferent(extraCatalog);
}
WriteOutlines(catalog, false);
// add the Catalog to the body
PdfIndirectObject indirectCatalog = AddToBody(catalog, false);
// add the info-object to the body
PdfIndirectObject infoObj = AddToBody(Info, false);
// [F1] encryption
PdfIndirectReference encryption = null;
PdfObject fileID = null;
body.FlushObjStm();
if (crypto != null) {
PdfIndirectObject encryptionObject = AddToBody(crypto.GetEncryptionDictionary(), false);
encryption = encryptionObject.IndirectReference;
fileID = crypto.FileID;
}
else
fileID = PdfEncryption.CreateInfoId(PdfEncryption.CreateDocumentId());
// write the cross-reference table of the body
body.WriteCrossReferenceTable(os, indirectCatalog.IndirectReference,
infoObj.IndirectReference, encryption, fileID, prevxref);
// make the trailer
// [F2] full compression
if (fullCompression) {
byte[] tmp = GetISOBytes("startxref\n");
os.Write(tmp, 0, tmp.Length);
tmp = GetISOBytes(body.Offset.ToString());
os.Write(tmp, 0, tmp.Length);
tmp = GetISOBytes("\n%%EOF\n");
os.Write(tmp, 0, tmp.Length);
}
else {
PdfTrailer trailer = new PdfTrailer(body.Size,
body.Offset,
indirectCatalog.IndirectReference,
infoObj.IndirectReference,
encryption,
fileID, prevxref);
trailer.ToPdf(this, os);
}
base.Close();
}
}
public void SetMKIconFit(PdfName scale, PdfName scalingType, float leftoverLeft, float leftoverBottom, bool fitInBounds)
{
PdfDictionary dic = new PdfDictionary();
if (!scale.Equals(PdfName.A))
dic.Put(PdfName.SW, scale);
if (!scalingType.Equals(PdfName.P))
dic.Put(PdfName.S, scalingType);
if (leftoverLeft != 0.5f || leftoverBottom != 0.5f) {
PdfArray array = new PdfArray(new PdfNumber(leftoverLeft));
array.Add(new PdfNumber(leftoverBottom));
dic.Put(PdfName.A, array);
}
if (fitInBounds)
dic.Put(PdfName.FB, PdfBoolean.PDFTRUE);
MK.Put(PdfName.IF, dic);
}
internal ColorDetails AddSimplePatternColorspace(Color color)
{
int type = ExtendedColor.GetType(color);
if (type == ExtendedColor.TYPE_PATTERN || type == ExtendedColor.TYPE_SHADING)
throw new Exception("An uncolored tile pattern can not have another pattern or shading as color.");
switch (type) {
case ExtendedColor.TYPE_RGB:
if (patternColorspaceRGB == null) {
patternColorspaceRGB = new ColorDetails(GetColorspaceName(), body.PdfIndirectReference, null);
PdfArray array = new PdfArray(PdfName.PATTERN);
array.Add(PdfName.DEVICERGB);
AddToBody(array, patternColorspaceRGB.IndirectReference);
}
return patternColorspaceRGB;
case ExtendedColor.TYPE_CMYK:
if (patternColorspaceCMYK == null) {
patternColorspaceCMYK = new ColorDetails(GetColorspaceName(), body.PdfIndirectReference, null);
PdfArray array = new PdfArray(PdfName.PATTERN);
array.Add(PdfName.DEVICECMYK);
AddToBody(array, patternColorspaceCMYK.IndirectReference);
}
return patternColorspaceCMYK;
case ExtendedColor.TYPE_GRAY:
if (patternColorspaceGRAY == null) {
patternColorspaceGRAY = new ColorDetails(GetColorspaceName(), body.PdfIndirectReference, null);
PdfArray array = new PdfArray(PdfName.PATTERN);
array.Add(PdfName.DEVICEGRAY);
AddToBody(array, patternColorspaceGRAY.IndirectReference);
}
return patternColorspaceGRAY;
case ExtendedColor.TYPE_SEPARATION: {
ColorDetails details = AddSimple(((SpotColor)color).PdfSpotColor);
ColorDetails patternDetails = (ColorDetails)documentSpotPatterns[details];
if (patternDetails == null) {
patternDetails = new ColorDetails(GetColorspaceName(), body.PdfIndirectReference, null);
PdfArray array = new PdfArray(PdfName.PATTERN);
array.Add(details.IndirectReference);
AddToBody(array, patternDetails.IndirectReference);
documentSpotPatterns[details] = patternDetails;
}
return patternDetails;
}
default:
throw new Exception("Invalid color type in PdfWriter.AddSimplePatternColorspace().");
}
}
internal PdfImportedLink(PdfDictionary annotation)
{
parameters = (Hashtable)annotation.hashMap.Clone();
try {
destination = (PdfArray)parameters[PdfName.DEST];
parameters.Remove(PdfName.DEST);
} catch (Exception) {
throw new ArgumentException("You have to consolidate the named destinations of your reader.");
}
if (destination != null) {
destination = new PdfArray(destination);
}
PdfArray rc = (PdfArray)parameters[PdfName.RECT];
parameters.Remove(PdfName.RECT);
llx = rc.GetAsNumber(0).FloatValue;
lly = rc.GetAsNumber(1).FloatValue;
urx = rc.GetAsNumber(2).FloatValue;
ury = rc.GetAsNumber(3).FloatValue;
}
private static void GetOCGOrder(PdfArray order, PdfLayer layer)
{
if (!layer.OnPanel)
return;
if (layer.Title == null)
order.Add(layer.Ref);
ArrayList children = layer.Children;
if (children == null)
return;
PdfArray kids = new PdfArray();
if (layer.Title != null)
kids.Add(new PdfString(layer.Title, PdfObject.TEXT_UNICODE));
for (int k = 0; k < children.Count; ++k) {
GetOCGOrder(kids, (PdfLayer)children[k]);
}
if (kids.Size > 0)
order.Add(kids);
}
/** Generates the font dictionary for this font.
* @return the PdfDictionary containing the font dictionary
* @param subsetPrefix the subset prefx
* @param firstChar the first valid character
* @param lastChar the last valid character
* @param shortTag a 256 bytes long <CODE>byte</CODE> array where each unused byte is represented by 0
* @param fontDescriptor the indirect reference to a PdfDictionary containing the font descriptor or <CODE>null</CODE>
* @throws DocumentException if there is an error
*/
protected PdfDictionary GetFontBaseType(PdfIndirectReference fontDescriptor, string subsetPrefix, int firstChar, int lastChar, byte[] shortTag)
{
PdfDictionary dic = new PdfDictionary(PdfName.FONT);
if (cff) {
dic.Put(PdfName.SUBTYPE, PdfName.TYPE1);
dic.Put(PdfName.BASEFONT, new PdfName(fontName + style));
}
else {
dic.Put(PdfName.SUBTYPE, PdfName.TRUETYPE);
dic.Put(PdfName.BASEFONT, new PdfName(subsetPrefix + fontName + style));
}
dic.Put(PdfName.BASEFONT, new PdfName(subsetPrefix + fontName + style));
if (!fontSpecific) {
for (int k = firstChar; k <= lastChar; ++k) {
if (!differences[k].Equals(notdef)) {
firstChar = k;
break;
}
}
if (encoding.Equals(CP1252) || encoding.Equals(MACROMAN))
dic.Put(PdfName.ENCODING, encoding.Equals(CP1252) ? PdfName.WIN_ANSI_ENCODING : PdfName.MAC_ROMAN_ENCODING);
else {
PdfDictionary enc = new PdfDictionary(PdfName.ENCODING);
PdfArray dif = new PdfArray();
bool gap = true;
for (int k = firstChar; k <= lastChar; ++k) {
if (shortTag[k] != 0) {
if (gap) {
dif.Add(new PdfNumber(k));
gap = false;
}
dif.Add(new PdfName(differences[k]));
}
else
gap = true;
}
enc.Put(PdfName.DIFFERENCES, dif);
dic.Put(PdfName.ENCODING, enc);
}
}
dic.Put(PdfName.FIRSTCHAR, new PdfNumber(firstChar));
dic.Put(PdfName.LASTCHAR, new PdfNumber(lastChar));
PdfArray wd = new PdfArray();
for (int k = firstChar; k <= lastChar; ++k) {
if (shortTag[k] == 0)
wd.Add(new PdfNumber(0));
else
wd.Add(new PdfNumber(widths[k]));
}
dic.Put(PdfName.WIDTHS, wd);
if (fontDescriptor != null)
dic.Put(PdfName.FONTDESCRIPTOR, fontDescriptor);
return dic;
}
/**
* Returns the CrossReferenceTable of the <CODE>Body</CODE>.
* @param os
* @param root
* @param info
* @param encryption
* @param fileID
* @param prevxref
* @throws IOException
*/
internal void WriteCrossReferenceTable(Stream os, PdfIndirectReference root, PdfIndirectReference info, PdfIndirectReference encryption, PdfObject fileID, int prevxref)
{
int refNumber = 0;
if (writer.FullCompression) {
FlushObjStm();
refNumber = IndirectReferenceNumber;
xrefs[new PdfCrossReference(refNumber, position)] = null;
}
int first = ((PdfCrossReference)xrefs.GetMinKey()).Refnum;
int len = 0;
ArrayList sections = new ArrayList();
foreach (PdfCrossReference entry in xrefs.Keys) {
if (first + len == entry.Refnum)
++len;
else {
sections.Add(first);
sections.Add(len);
first = entry.Refnum;
len = 1;
}
}
sections.Add(first);
sections.Add(len);
if (writer.FullCompression) {
int mid = 4;
uint mask = 0xff000000;
for (; mid > 1; --mid) {
if ((mask & position) != 0)
break;
mask >>= 8;
}
ByteBuffer buf = new ByteBuffer();
foreach (PdfCrossReference entry in xrefs.Keys) {
entry.ToPdf(mid, buf);
}
PdfStream xr = new PdfStream(buf.ToByteArray());
buf = null;
xr.FlateCompress(writer.CompressionLevel);
xr.Put(PdfName.SIZE, new PdfNumber(Size));
xr.Put(PdfName.ROOT, root);
if (info != null) {
xr.Put(PdfName.INFO, info);
}
if (encryption != null)
xr.Put(PdfName.ENCRYPT, encryption);
if (fileID != null)
xr.Put(PdfName.ID, fileID);
xr.Put(PdfName.W, new PdfArray(new int[]{1, mid, 2}));
xr.Put(PdfName.TYPE, PdfName.XREF);
PdfArray idx = new PdfArray();
for (int k = 0; k < sections.Count; ++k)
idx.Add(new PdfNumber((int)sections[k]));
xr.Put(PdfName.INDEX, idx);
if (prevxref > 0)
xr.Put(PdfName.PREV, new PdfNumber(prevxref));
PdfEncryption enc = writer.crypto;
writer.crypto = null;
PdfIndirectObject indirect = new PdfIndirectObject(refNumber, xr, writer);
indirect.WriteTo(writer.Os);
writer.crypto = enc;
}
else {
byte[] tmp = GetISOBytes("xref\n");
os.Write(tmp, 0, tmp.Length);
IEnumerator i = xrefs.Keys;
i.MoveNext();
for (int k = 0; k < sections.Count; k += 2) {
first = (int)sections[k];
len = (int)sections[k + 1];
tmp = GetISOBytes(first.ToString());
os.Write(tmp, 0, tmp.Length);
os.WriteByte((byte)' ');
tmp = GetISOBytes(len.ToString());
os.Write(tmp, 0, tmp.Length);
os.WriteByte((byte)'\n');
while (len-- > 0) {
((PdfCrossReference)i.Current).ToPdf(os);
i.MoveNext();
}
}
}
}
/** Generates the font dictionary for this font.
* @return the PdfDictionary containing the font dictionary
* @param firstChar the first valid character
* @param lastChar the last valid character
* @param shortTag a 256 bytes long <CODE>byte</CODE> array where each unused byte is represented by 0
* @param fontDescriptor the indirect reference to a PdfDictionary containing the font descriptor or <CODE>null</CODE>
*/
private PdfDictionary GetFontBaseType(PdfIndirectReference fontDescriptor, int firstChar, int lastChar, byte[] shortTag)
{
PdfDictionary dic = new PdfDictionary(PdfName.FONT);
dic.Put(PdfName.SUBTYPE, PdfName.TYPE1);
dic.Put(PdfName.BASEFONT, new PdfName(FontName));
bool stdEncoding = encoding.Equals(CP1252) || encoding.Equals(MACROMAN);
if (!fontSpecific || specialMap != null) {
for (int k = firstChar; k <= lastChar; ++k) {
if (!differences[k].Equals(notdef)) {
firstChar = k;
break;
}
}
if (stdEncoding)
dic.Put(PdfName.ENCODING, encoding.Equals(CP1252) ? PdfName.WIN_ANSI_ENCODING : PdfName.MAC_ROMAN_ENCODING);
else {
PdfDictionary enc = new PdfDictionary(PdfName.ENCODING);
PdfArray dif = new PdfArray();
bool gap = true;
for (int k = firstChar; k <= lastChar; ++k) {
if (shortTag[k] != 0) {
if (gap) {
dif.Add(new PdfNumber(k));
gap = false;
}
dif.Add(new PdfName(differences[k]));
}
else
gap = true;
}
enc.Put(PdfName.DIFFERENCES, dif);
dic.Put(PdfName.ENCODING, enc);
}
}
if (specialMap != null || forceWidthsOutput || !(builtinFont && (fontSpecific || stdEncoding))) {
dic.Put(PdfName.FIRSTCHAR, new PdfNumber(firstChar));
dic.Put(PdfName.LASTCHAR, new PdfNumber(lastChar));
PdfArray wd = new PdfArray();
for (int k = firstChar; k <= lastChar; ++k) {
if (shortTag[k] == 0)
wd.Add(new PdfNumber(0));
else
wd.Add(new PdfNumber(widths[k]));
}
dic.Put(PdfName.WIDTHS, wd);
}
if (!builtinFont && fontDescriptor != null)
dic.Put(PdfName.FONTDESCRIPTOR, fontDescriptor);
return dic;
}
/**
* Sets different values in a list selection.
* No appearance is generated yet; nor does the code check if multiple select is allowed.
*
* @param name the name of the field
* @param value an array with values that need to be selected
* @return true only if the field value was changed
* @since 2.1.4
*/
public bool SetListSelection(String name, String[] value)
{
Item item = GetFieldItem(name);
if (item == null)
return false;
PdfName type = item.GetMerged(0).GetAsName(PdfName.FT);
if (!PdfName.CH.Equals(type)) {
return false;
}
String[] options = GetListOptionExport(name);
PdfArray array = new PdfArray();
for (int i = 0; i < value.Length; i++) {
for (int j = 0; j < options.Length; j++) {
if (options[j].Equals(value[i])) {
array.Add(new PdfNumber(j));
}
}
}
item.WriteToAll(PdfName.I, array, Item.WRITE_MERGED | Item.WRITE_VALUE);
item.WriteToAll(PdfName.V, null, Item.WRITE_MERGED | Item.WRITE_VALUE);
item.WriteToAll(PdfName.AP, null, Item.WRITE_MERGED | Item.WRITE_WIDGET);
item.MarkUsed( this, Item.WRITE_VALUE | Item.WRITE_WIDGET );
return true;
}
public static PdfFunction Type3(PdfWriter writer, float[] domain, float[] range, PdfFunction[] functions, float[] bounds, float[] encode)
{
PdfFunction func = new PdfFunction(writer);
func.dictionary = new PdfDictionary();
func.dictionary.Put(PdfName.FUNCTIONTYPE, new PdfNumber(3));
func.dictionary.Put(PdfName.DOMAIN, new PdfArray(domain));
if (range != null)
func.dictionary.Put(PdfName.RANGE, new PdfArray(range));
PdfArray array = new PdfArray();
for (int k = 0; k < functions.Length; ++k)
array.Add(functions[k].Reference);
func.dictionary.Put(PdfName.FUNCTIONS, array);
func.dictionary.Put(PdfName.BOUNDS, new PdfArray(bounds));
func.dictionary.Put(PdfName.ENCODE, new PdfArray(encode));
return func;
}
private int RemoveRefFromArray(PdfArray array, PdfObject refo)
{
if (refo == null || !refo.IsIndirect())
return array.Size;
PdfIndirectReference refi = (PdfIndirectReference)refo;
for (int j = 0; j < array.Size; ++j) {
PdfObject obj = array[j];
if (!obj.IsIndirect())
continue;
if (((PdfIndirectReference)obj).Number == refi.Number)
array.Remove(j--);
}
return array.Size;
}
internal static PdfArray CreateDestinationArray(String value, PdfWriter writer)
{
PdfArray ar = new PdfArray();
StringTokenizer tk = new StringTokenizer(value);
int n = int.Parse(tk.NextToken());
ar.Add(writer.GetPageReference(n));
if (!tk.HasMoreTokens()) {
ar.Add(PdfName.XYZ);
ar.Add(new float[]{0, 10000, 0});
}
else {
String fn = tk.NextToken();
if (fn.StartsWith("/"))
fn = fn.Substring(1);
ar.Add(new PdfName(fn));
for (int k = 0; k < 4 && tk.HasMoreTokens(); ++k) {
fn = tk.NextToken();
if (fn.Equals("null"))
ar.Add(PdfNull.PDFNULL);
else
ar.Add(new PdfNumber(fn));
}
}
return ar;
}
private PdfObject SimplifyColorspace(PdfArray obj)
{
if (obj == null)
return obj;
PdfObject first = obj.GetAsName(0);
if (PdfName.CALGRAY.Equals(first))
return PdfName.DEVICEGRAY;
else if (PdfName.CALRGB.Equals(first))
return PdfName.DEVICERGB;
else
return obj;
}
/**
* Adds an image to the document but not to the page resources. It is used with
* templates and <CODE>Document.Add(Image)</CODE>.
* @param image the <CODE>Image</CODE> to add
* @param fixedRef the reference to used. It may be <CODE>null</CODE>,
* a <CODE>PdfIndirectReference</CODE> or a <CODE>PRIndirectReference</CODE>.
* @return the name of the image added
* @throws PdfException on error
* @throws DocumentException on error
*/
public PdfName AddDirectImageSimple(Image image, PdfIndirectReference fixedRef)
{
PdfName name;
// if the images is already added, just retrieve the name
if (images.ContainsKey(image.MySerialId)) {
name = (PdfName) images[image.MySerialId];
}
// if it's a new image, add it to the document
else {
if (image.IsImgTemplate()) {
name = new PdfName("img" + images.Count);
if (image is ImgWMF){
ImgWMF wmf = (ImgWMF)image;
wmf.ReadWMF(PdfTemplate.CreateTemplate(this, 0, 0));
}
}
else {
PdfIndirectReference dref = image.DirectReference;
if (dref != null) {
PdfName rname = new PdfName("img" + images.Count);
images[image.MySerialId] = rname;
imageDictionary.Put(rname, dref);
return rname;
}
Image maskImage = image.ImageMask;
PdfIndirectReference maskRef = null;
if (maskImage != null) {
PdfName mname = (PdfName)images[maskImage.MySerialId];
maskRef = GetImageReference(mname);
}
PdfImage i = new PdfImage(image, "img" + images.Count, maskRef);
if (image is ImgJBIG2) {
byte[] globals = ((ImgJBIG2) image).GlobalBytes;
if (globals != null) {
PdfDictionary decodeparms = new PdfDictionary();
decodeparms.Put(PdfName.JBIG2GLOBALS, GetReferenceJBIG2Globals(globals));
i.Put(PdfName.DECODEPARMS, decodeparms);
}
}
if (image.HasICCProfile()) {
PdfICCBased icc = new PdfICCBased(image.TagICC, image.CompressionLevel);
PdfIndirectReference iccRef = Add(icc);
PdfArray iccArray = new PdfArray();
iccArray.Add(PdfName.ICCBASED);
iccArray.Add(iccRef);
PdfArray colorspace = i.GetAsArray(PdfName.COLORSPACE);
if (colorspace != null) {
if (colorspace.Size > 1 && PdfName.INDEXED.Equals(colorspace[0]))
colorspace[1] = iccArray;
else
i.Put(PdfName.COLORSPACE, iccArray);
}
else
i.Put(PdfName.COLORSPACE, iccArray);
}
Add(i, fixedRef);
name = i.Name;
}
images[image.MySerialId] = name;
}
return name;
}
/**
* Compresses the stream.
* @param compressionLevel the compression level (0 = best speed, 9 = best compression, -1 is default)
* @since 2.1.3
*/
public void FlateCompress(int compressionLevel)
{
if (!Document.Compress)
return;
// check if the flateCompress-method has allready been
if (compressed) {
return;
}
this.compressionLevel = compressionLevel;
if (inputStream != null) {
compressed = true;
return;
}
// check if a filter allready exists
PdfObject filter = PdfReader.GetPdfObject(Get(PdfName.FILTER));
if (filter != null) {
if (filter.IsName()) {
if (PdfName.FLATEDECODE.Equals(filter))
return;
}
else if (filter.IsArray()) {
if (((PdfArray) filter).Contains(PdfName.FLATEDECODE))
return;
}
else {
throw new PdfException("Stream could not be compressed: filter is not a name or array.");
}
}
// compress
MemoryStream stream = new MemoryStream();
var zip = new ZOutputStream(stream, compressionLevel);
if (streamBytes != null)
streamBytes.WriteTo(zip);
else
zip.Write(bytes, 0, bytes.Length);
//zip.Close();
zip.Finish();
// update the object
streamBytes = stream;
bytes = null;
Put(PdfName.LENGTH, new PdfNumber(streamBytes.Length));
if (filter == null) {
Put(PdfName.FILTER, PdfName.FLATEDECODE);
}
else {
PdfArray filters = new PdfArray(filter);
filters.Add(PdfName.FLATEDECODE);
Put(PdfName.FILTER, filters);
}
compressed = true;
}
/**
* Creates a number tree.
* @param items the item of the number tree. The key is an <CODE>Integer</CODE>
* and the value is a <CODE>PdfObject</CODE>.
* @param writer the writer
* @throws IOException on error
* @return the dictionary with the number tree.
*/
public static PdfDictionary WriteTree(Hashtable items, PdfWriter writer)
{
if (items.Count == 0)
{
return(null);
}
int[] numbers = new int[items.Count];
items.Keys.CopyTo(numbers, 0);
Array.Sort(numbers);
if (numbers.Length <= leafSize)
{
PdfDictionary dic = new PdfDictionary();
PdfArray ar = new PdfArray();
for (int k = 0; k < numbers.Length; ++k)
{
ar.Add(new PdfNumber(numbers[k]));
ar.Add((PdfObject)items[numbers[k]]);
}
dic.Put(PdfName.NUMS, ar);
return(dic);
}
int skip = leafSize;
PdfIndirectReference[] kids = new PdfIndirectReference[(numbers.Length + leafSize - 1) / leafSize];
for (int k = 0; k < kids.Length; ++k)
{
int offset = k * leafSize;
int end = Math.Min(offset + leafSize, numbers.Length);
PdfDictionary dic = new PdfDictionary();
PdfArray arr = new PdfArray();
arr.Add(new PdfNumber(numbers[offset]));
arr.Add(new PdfNumber(numbers[end - 1]));
dic.Put(PdfName.LIMITS, arr);
arr = new PdfArray();
for (; offset < end; ++offset)
{
arr.Add(new PdfNumber(numbers[offset]));
arr.Add((PdfObject)items[numbers[offset]]);
}
dic.Put(PdfName.NUMS, arr);
kids[k] = writer.AddToBody(dic).IndirectReference;
}
int top = kids.Length;
while (true)
{
if (top <= leafSize)
{
PdfArray arr = new PdfArray();
for (int k = 0; k < top; ++k)
{
arr.Add(kids[k]);
}
PdfDictionary dic = new PdfDictionary();
dic.Put(PdfName.KIDS, arr);
return(dic);
}
skip *= leafSize;
int tt = (numbers.Length + skip - 1) / skip;
for (int k = 0; k < tt; ++k)
{
int offset = k * leafSize;
int end = Math.Min(offset + leafSize, top);
PdfDictionary dic = new PdfDictionary();
PdfArray arr = new PdfArray();
arr.Add(new PdfNumber(numbers[k * skip]));
arr.Add(new PdfNumber(numbers[Math.Min((k + 1) * skip, numbers.Length) - 1]));
dic.Put(PdfName.LIMITS, arr);
arr = new PdfArray();
for (; offset < end; ++offset)
{
arr.Add(kids[offset]);
}
dic.Put(PdfName.KIDS, arr);
kids[k] = writer.AddToBody(dic).IndirectReference;
}
top = tt;
}
}
