internal PdfName AddProperty(PdfName name, PdfIndirectReference reference)
{
name = TranslateName(name);
propertyDictionary.Put(name, reference);
return(name);
}
/**
* Creates a new layer.
* @param name the name of the layer
* @param writer the writer
*/
public PdfLayer(String name, PdfWriter writer) : base(PdfName.OCG)
{
Name = name;
refi = writer.PdfIndirectReference;
writer.RegisterLayer(this);
}
internal PdfName AddShading(PdfName name, PdfIndirectReference reference)
{
name = TranslateName(name);
shadingDictionary.Put(name, reference);
return(name);
}
internal PdfName AddExtGState(PdfName name, PdfIndirectReference reference)
{
name = TranslateName(name);
extGStateDictionary.Put(name, reference);
return(name);
}
internal PdfName AddXObject(PdfName name, PdfIndirectReference reference)
{
name = TranslateName(name);
xObjectDictionary.Put(name, reference);
return(name);
}
internal PdfName AddColor(PdfName name, PdfIndirectReference reference)
{
name = TranslateName(name);
colorDictionary.Put(name, reference);
return(name);
}
/**Creates a Rendition action
* @param file
* @param fs
* @param mimeType
* @param ref
* @return a Media Clip action
* @throws IOException
*/
public static PdfAction Rendition(String file, PdfFileSpecification fs, String mimeType, PdfIndirectReference refi)
{
PdfAction js = new PdfAction();
js.Put(PdfName.S, PdfName.RENDITION);
js.Put(PdfName.R, new PdfRendition(file, fs, mimeType));
js.Put(new PdfName("OP"), new PdfNumber(0));
js.Put(new PdfName("AN"), refi);
return(js);
}
/**
* Constructs a new <CODE>PdfAction</CODE> of Subtype GoTo.
* @param destination the destination to go to
*/
internal PdfAction(PdfIndirectReference destination)
{
Put(PdfName.S, PdfName.GOTO);
Put(PdfName.D, destination);
}
internal void AddPage(PdfIndirectReference page)
{
pages.Add(page);
}
// returns the top parent to include in the catalog
internal PdfIndirectReference WritePageTree()
{
if (pages.Count == 0)
{
throw new IOException("The document has no pages.");
}
int leaf = 1;
ArrayList tParents = parents;
ArrayList tPages = pages;
ArrayList nextParents = new ArrayList();
while (true)
{
leaf *= leafSize;
int stdCount = leafSize;
int rightCount = tPages.Count % leafSize;
if (rightCount == 0)
{
rightCount = leafSize;
}
for (int p = 0; p < tParents.Count; ++p)
{
int count;
int thisLeaf = leaf;
if (p == tParents.Count - 1)
{
count = rightCount;
thisLeaf = pages.Count % leaf;
if (thisLeaf == 0)
{
thisLeaf = leaf;
}
}
else
{
count = stdCount;
}
PdfDictionary top = new PdfDictionary(PdfName.PAGES);
top.Put(PdfName.COUNT, new PdfNumber(thisLeaf));
PdfArray kids = new PdfArray();
ArrayList intern = kids.ArrayList;
intern.AddRange(tPages.GetRange(p * stdCount, count));
top.Put(PdfName.KIDS, kids);
if (tParents.Count > 1)
{
if ((p % leafSize) == 0)
{
nextParents.Add(writer.PdfIndirectReference);
}
top.Put(PdfName.PARENT, (PdfIndirectReference)nextParents[p / leafSize]);
}
else
{
top.Put(PdfName.ITXT, new PdfString(Document.Release));
}
writer.AddToBody(top, (PdfIndirectReference)tParents[p]);
}
if (tParents.Count == 1)
{
topParent = (PdfIndirectReference)tParents[0];
return(topParent);
}
tPages = tParents;
tParents = nextParents;
nextParents = new ArrayList();
}
}
// constructor
/**
* Constructs a <CODE>PdfImage</CODE>-object.
*
* @param image the <CODE>Image</CODE>-object
* @param name the <CODE>PdfName</CODE> for this image
* @throws BadPdfFormatException on error
*/
public PdfImage(Image image, String name, PdfIndirectReference maskRef)
{
this.name = new PdfName(name);
Put(PdfName.TYPE, PdfName.XOBJECT);
Put(PdfName.SUBTYPE, PdfName.IMAGE);
Put(PdfName.WIDTH, new PdfNumber(image.Width));
Put(PdfName.HEIGHT, new PdfNumber(image.Height));
if (image.Layer != null)
{
Put(PdfName.OC, image.Layer.Ref);
}
if (image.IsMask() && (image.Bpc == 1 || image.Bpc > 0xff))
{
Put(PdfName.IMAGEMASK, PdfBoolean.PDFTRUE);
}
if (maskRef != null)
{
if (image.Smask)
{
Put(PdfName.SMASK, maskRef);
}
else
{
Put(PdfName.MASK, maskRef);
}
}
if (image.IsMask() && image.Inverted)
{
Put(PdfName.DECODE, new PdfLiteral("[1 0]"));
}
if (image.Interpolation)
{
Put(PdfName.INTERPOLATE, PdfBoolean.PDFTRUE);
}
Stream isp = null;
try {
// Raw Image data
if (image.IsImgRaw())
{
// will also have the CCITT parameters
int colorspace = image.Colorspace;
int[] transparency = image.Transparency;
if (transparency != null && !image.IsMask() && maskRef == null)
{
String s = "[";
for (int k = 0; k < transparency.Length; ++k)
{
s += transparency[k] + " ";
}
s += "]";
Put(PdfName.MASK, new PdfLiteral(s));
}
bytes = image.RawData;
Put(PdfName.LENGTH, new PdfNumber(bytes.Length));
int bpc = image.Bpc;
if (bpc > 0xff)
{
if (!image.IsMask())
{
Put(PdfName.COLORSPACE, PdfName.DEVICEGRAY);
}
Put(PdfName.BITSPERCOMPONENT, new PdfNumber(1));
Put(PdfName.FILTER, PdfName.CCITTFAXDECODE);
int k = bpc - Image.CCITTG3_1D;
PdfDictionary decodeparms = new PdfDictionary();
if (k != 0)
{
decodeparms.Put(PdfName.K, new PdfNumber(k));
}
if ((colorspace & Image.CCITT_BLACKIS1) != 0)
{
decodeparms.Put(PdfName.BLACKIS1, PdfBoolean.PDFTRUE);
}
if ((colorspace & Image.CCITT_ENCODEDBYTEALIGN) != 0)
{
decodeparms.Put(PdfName.ENCODEDBYTEALIGN, PdfBoolean.PDFTRUE);
}
if ((colorspace & Image.CCITT_ENDOFLINE) != 0)
{
decodeparms.Put(PdfName.ENDOFLINE, PdfBoolean.PDFTRUE);
}
if ((colorspace & Image.CCITT_ENDOFBLOCK) != 0)
{
decodeparms.Put(PdfName.ENDOFBLOCK, PdfBoolean.PDFFALSE);
}
decodeparms.Put(PdfName.COLUMNS, new PdfNumber(image.Width));
decodeparms.Put(PdfName.ROWS, new PdfNumber(image.Height));
Put(PdfName.DECODEPARMS, decodeparms);
}
else
{
switch (colorspace)
{
case 1:
Put(PdfName.COLORSPACE, PdfName.DEVICEGRAY);
if (image.Inverted)
{
Put(PdfName.DECODE, new PdfLiteral("[1 0]"));
}
break;
case 3:
Put(PdfName.COLORSPACE, PdfName.DEVICERGB);
if (image.Inverted)
{
Put(PdfName.DECODE, new PdfLiteral("[1 0 1 0 1 0]"));
}
break;
case 4:
default:
Put(PdfName.COLORSPACE, PdfName.DEVICECMYK);
if (image.Inverted)
{
Put(PdfName.DECODE, new PdfLiteral("[1 0 1 0 1 0 1 0]"));
}
break;
}
PdfDictionary additional = image.Additional;
if (additional != null)
{
Merge(additional);
}
if (image.IsMask() && (image.Bpc == 1 || image.Bpc > 8))
{
Remove(PdfName.COLORSPACE);
}
Put(PdfName.BITSPERCOMPONENT, new PdfNumber(image.Bpc));
if (image.Deflated)
{
Put(PdfName.FILTER, PdfName.FLATEDECODE);
}
else
{
FlateCompress(image.CompressionLevel);
}
}
return;
}
// GIF, JPEG or PNG
String errorID;
if (image.RawData == null)
{
isp = WebRequest.Create(image.Url).GetResponse().GetResponseStream();
errorID = image.Url.ToString();
}
else
{
isp = new MemoryStream(image.RawData);
errorID = "Byte array";
}
switch (image.Type)
{
case Image.JPEG:
Put(PdfName.FILTER, PdfName.DCTDECODE);
switch (image.Colorspace)
{
case 1:
Put(PdfName.COLORSPACE, PdfName.DEVICEGRAY);
break;
case 3:
Put(PdfName.COLORSPACE, PdfName.DEVICERGB);
break;
default:
Put(PdfName.COLORSPACE, PdfName.DEVICECMYK);
if (image.Inverted)
{
Put(PdfName.DECODE, new PdfLiteral("[1 0 1 0 1 0 1 0]"));
}
break;
}
Put(PdfName.BITSPERCOMPONENT, new PdfNumber(8));
if (image.RawData != null)
{
bytes = image.RawData;
Put(PdfName.LENGTH, new PdfNumber(bytes.Length));
return;
}
streamBytes = new MemoryStream();
TransferBytes(isp, streamBytes, -1);
break;
case Image.JPEG2000:
Put(PdfName.FILTER, PdfName.JPXDECODE);
if (image.Colorspace > 0)
{
switch (image.Colorspace)
{
case 1:
Put(PdfName.COLORSPACE, PdfName.DEVICEGRAY);
break;
case 3:
Put(PdfName.COLORSPACE, PdfName.DEVICERGB);
break;
default:
Put(PdfName.COLORSPACE, PdfName.DEVICECMYK);
break;
}
Put(PdfName.BITSPERCOMPONENT, new PdfNumber(image.Bpc));
}
if (image.RawData != null)
{
bytes = image.RawData;
Put(PdfName.LENGTH, new PdfNumber(bytes.Length));
return;
}
streamBytes = new MemoryStream();
TransferBytes(isp, streamBytes, -1);
break;
case Image.JBIG2:
Put(PdfName.FILTER, PdfName.JBIG2DECODE);
Put(PdfName.COLORSPACE, PdfName.DEVICEGRAY);
Put(PdfName.BITSPERCOMPONENT, new PdfNumber(1));
if (image.RawData != null)
{
bytes = image.RawData;
Put(PdfName.LENGTH, new PdfNumber(bytes.Length));
return;
}
streamBytes = new MemoryStream();
TransferBytes(isp, streamBytes, -1);
break;
default:
throw new IOException(errorID + " is an unknown Image format.");
}
Put(PdfName.LENGTH, new PdfNumber(streamBytes.Length));
}
finally {
if (isp != null)
{
try{
isp.Close();
}
catch {
// empty on purpose
}
}
}
}