|
public GetAsNumber ( |
||
| key | ||
| Результат | ||
private void FillFontDesc(PdfDictionary fontDesc)
{
if (fontDesc == null)
{
return;
}
PdfNumber v = fontDesc.GetAsNumber(PdfName.ASCENT);
if (v != null)
{
Ascender = v.FloatValue;
}
v = fontDesc.GetAsNumber(PdfName.CAPHEIGHT);
if (v != null)
{
CapHeight = v.FloatValue;
}
v = fontDesc.GetAsNumber(PdfName.DESCENT);
if (v != null)
{
Descender = v.FloatValue;
}
v = fontDesc.GetAsNumber(PdfName.ITALICANGLE);
if (v != null)
{
ItalicAngle = v.FloatValue;
}
PdfArray bbox = fontDesc.GetAsArray(PdfName.FONTBBOX);
if (bbox != null)
{
llx = bbox.GetAsNumber(0).FloatValue;
lly = bbox.GetAsNumber(1).FloatValue;
urx = bbox.GetAsNumber(2).FloatValue;
ury = bbox.GetAsNumber(3).FloatValue;
if (llx > urx)
{
float t = llx;
llx = urx;
urx = t;
}
if (lly > ury)
{
float t = lly;
lly = ury;
ury = t;
}
}
}
private void fillFontDesc(PdfDictionary fontDesc)
{
if (fontDesc == null)
{
return;
}
PdfNumber v = fontDesc.GetAsNumber(PdfName.Ascent);
if (v != null)
{
_ascender = v.FloatValue;
}
v = fontDesc.GetAsNumber(PdfName.Capheight);
if (v != null)
{
_capHeight = v.FloatValue;
}
v = fontDesc.GetAsNumber(PdfName.Descent);
if (v != null)
{
_descender = v.FloatValue;
}
v = fontDesc.GetAsNumber(PdfName.Italicangle);
if (v != null)
{
_italicAngle = v.FloatValue;
}
PdfArray bbox = fontDesc.GetAsArray(PdfName.Fontbbox);
if (bbox != null)
{
_llx = bbox.GetAsNumber(0).FloatValue;
_lly = bbox.GetAsNumber(1).FloatValue;
_urx = bbox.GetAsNumber(2).FloatValue;
_ury = bbox.GetAsNumber(3).FloatValue;
if (_llx > _urx)
{
float t = _llx;
_llx = _urx;
_urx = t;
}
if (_lly > _ury)
{
float t = _lly;
_lly = _ury;
_ury = t;
}
}
}
private void FillWidths()
{
PdfArray newWidths = font.GetAsArray(PdfName.WIDTHS);
PdfNumber first = font.GetAsNumber(PdfName.FIRSTCHAR);
PdfNumber last = font.GetAsNumber(PdfName.LASTCHAR);
if (first != null && last != null && newWidths != null)
{
int f = first.IntValue;
int nSize = f + newWidths.Size;
if (widths.Length < nSize)
{
int[] tmp = new int[nSize];
System.Array.Copy(widths, 0, tmp, 0, f);
widths = tmp;
}
for (int k = 0; k < newWidths.Size; ++k)
{
widths[f + k] = newWidths.GetAsNumber(k).IntValue;
}
}
}
bool IsSymbolic()
{
PdfDictionary fontDescriptor = font.GetAsDict(PdfName.FONTDESCRIPTOR);
if (fontDescriptor == null)
{
return(false);
}
PdfNumber flags = fontDescriptor.GetAsNumber(PdfName.FLAGS);
if (flags == null)
{
return(false);
}
return((flags.IntValue & 0x04) != 0);
}
private void FillFontDesc(PdfDictionary fontDesc) {
if (fontDesc == null)
return;
PdfNumber v = fontDesc.GetAsNumber(PdfName.ASCENT);
if (v != null)
Ascender = v.FloatValue;
v = fontDesc.GetAsNumber(PdfName.CAPHEIGHT);
if (v != null)
CapHeight = v.FloatValue;
v = fontDesc.GetAsNumber(PdfName.DESCENT);
if (v != null)
Descender = v.FloatValue;
v = fontDesc.GetAsNumber(PdfName.ITALICANGLE);
if (v != null)
ItalicAngle = v.FloatValue;
PdfArray bbox = fontDesc.GetAsArray(PdfName.FONTBBOX);
if (bbox != null) {
llx = bbox.GetAsNumber(0).FloatValue;
lly = bbox.GetAsNumber(1).FloatValue;
urx = bbox.GetAsNumber(2).FloatValue;
ury = bbox.GetAsNumber(3).FloatValue;
if (llx > urx) {
float t = llx;
llx = urx;
urx = t;
}
if (lly > ury) {
float t = lly;
lly = ury;
ury = t;
}
}
}
public void DecodeGenericDictionary(PdfDictionary merged, BaseField tx)
{
int flags = 0;
// the text size and color
PdfString da = merged.GetAsString(PdfName.DA);
if (da != null) {
Object[] dab = SplitDAelements(da.ToUnicodeString());
if (dab[DA_SIZE] != null)
tx.FontSize = (float)dab[DA_SIZE];
if (dab[DA_COLOR] != null)
tx.TextColor = (Color)dab[DA_COLOR];
if (dab[DA_FONT] != null) {
PdfDictionary font = merged.GetAsDict(PdfName.DR);
if (font != null) {
font = font.GetAsDict(PdfName.FONT);
if (font != null) {
PdfObject po = font.Get(new PdfName((String)dab[DA_FONT]));
if (po != null && po.Type == PdfObject.INDIRECT) {
PRIndirectReference por = (PRIndirectReference)po;
BaseFont bp = new DocumentFont((PRIndirectReference)po);
tx.Font = bp;
int porkey = por.Number;
BaseFont porf = (BaseFont)extensionFonts[porkey];
if (porf == null) {
if (!extensionFonts.ContainsKey(porkey)) {
PdfDictionary fo = (PdfDictionary)PdfReader.GetPdfObject(po);
PdfDictionary fd = fo.GetAsDict(PdfName.FONTDESCRIPTOR);
if (fd != null) {
PRStream prs = (PRStream)PdfReader.GetPdfObject(fd.Get(PdfName.FONTFILE2));
if (prs == null)
prs = (PRStream)PdfReader.GetPdfObject(fd.Get(PdfName.FONTFILE3));
if (prs == null) {
extensionFonts[porkey] = null;
}
else {
try {
porf = BaseFont.CreateFont("font.ttf", BaseFont.IDENTITY_H, true, false, PdfReader.GetStreamBytes(prs), null);
}
catch {
}
extensionFonts[porkey] = porf;
}
}
}
}
if (tx is TextField)
((TextField)tx).ExtensionFont = porf;
}
else {
BaseFont bf = (BaseFont)localFonts[dab[DA_FONT]];
if (bf == null) {
String[] fn = (String[])stdFieldFontNames[dab[DA_FONT]];
if (fn != null) {
try {
String enc = "winansi";
if (fn.Length > 1)
enc = fn[1];
bf = BaseFont.CreateFont(fn[0], enc, false);
tx.Font = bf;
}
catch {
// empty
}
}
}
else
tx.Font = bf;
}
}
}
}
}
//rotation, border and backgound color
PdfDictionary mk = merged.GetAsDict(PdfName.MK);
if (mk != null) {
PdfArray ar = mk.GetAsArray(PdfName.BC);
Color border = GetMKColor(ar);
tx.BorderColor = border;
if (border != null)
tx.BorderWidth = 1;
ar = mk.GetAsArray(PdfName.BG);
tx.BackgroundColor = GetMKColor(ar);
PdfNumber rotation = mk.GetAsNumber(PdfName.R);
if (rotation != null)
tx.Rotation = rotation.IntValue;
}
//flags
PdfNumber nfl = merged.GetAsNumber(PdfName.F);
flags = 0;
tx.Visibility = BaseField.VISIBLE_BUT_DOES_NOT_PRINT;
if (nfl != null) {
flags = nfl.IntValue;
if ((flags & PdfFormField.FLAGS_PRINT) != 0 && (flags & PdfFormField.FLAGS_HIDDEN) != 0)
tx.Visibility = BaseField.HIDDEN;
else if ((flags & PdfFormField.FLAGS_PRINT) != 0 && (flags & PdfFormField.FLAGS_NOVIEW) != 0)
tx.Visibility = BaseField.HIDDEN_BUT_PRINTABLE;
else if ((flags & PdfFormField.FLAGS_PRINT) != 0)
tx.Visibility = BaseField.VISIBLE;
}
//multiline
nfl = merged.GetAsNumber(PdfName.FF);
flags = 0;
if (nfl != null)
flags = nfl.IntValue;
tx.Options = flags;
if ((flags & PdfFormField.FF_COMB) != 0) {
PdfNumber maxLen = merged.GetAsNumber(PdfName.MAXLEN);
int len = 0;
if (maxLen != null)
len = maxLen.IntValue;
tx.MaxCharacterLength = len;
}
//alignment
nfl = merged.GetAsNumber(PdfName.Q);
if (nfl != null) {
if (nfl.IntValue == PdfFormField.Q_CENTER)
tx.Alignment = Element.ALIGN_CENTER;
else if (nfl.IntValue == PdfFormField.Q_RIGHT)
tx.Alignment = Element.ALIGN_RIGHT;
}
//border styles
PdfDictionary bs = merged.GetAsDict(PdfName.BS);
if (bs != null) {
PdfNumber w = bs.GetAsNumber(PdfName.W);
if (w != null)
tx.BorderWidth = w.FloatValue;
PdfName s = bs.GetAsName(PdfName.S);
if (PdfName.D.Equals(s))
tx.BorderStyle = PdfBorderDictionary.STYLE_DASHED;
else if (PdfName.B.Equals(s))
tx.BorderStyle = PdfBorderDictionary.STYLE_BEVELED;
else if (PdfName.I.Equals(s))
tx.BorderStyle = PdfBorderDictionary.STYLE_INSET;
else if (PdfName.U.Equals(s))
tx.BorderStyle = PdfBorderDictionary.STYLE_UNDERLINE;
}
else {
PdfArray bd = merged.GetAsArray(PdfName.BORDER);
if (bd != null) {
if (bd.Size >= 3)
tx.BorderWidth = bd.GetAsNumber(2).FloatValue;
if (bd.Size >= 4)
tx.BorderStyle = PdfBorderDictionary.STYLE_DASHED;
}
}
}
internal PdfAppearance GetAppearance(PdfDictionary merged, String text, String fieldName)
{
topFirst = 0;
TextField tx = null;
if (fieldCache == null || !fieldCache.ContainsKey(fieldName)) {
tx = new TextField(writer, null, null);
tx.SetExtraMargin(extraMarginLeft, extraMarginTop);
tx.BorderWidth = 0;
tx.SubstitutionFonts = substitutionFonts;
DecodeGenericDictionary(merged, tx);
//rect
PdfArray rect = merged.GetAsArray(PdfName.RECT);
Rectangle box = PdfReader.GetNormalizedRectangle(rect);
if (tx.Rotation == 90 || tx.Rotation == 270)
box = box.Rotate();
tx.Box = box;
if (fieldCache != null)
fieldCache[fieldName] = tx;
}
else {
tx = (TextField)fieldCache[fieldName];
tx.Writer = writer;
}
PdfName fieldType = merged.GetAsName(PdfName.FT);
if (PdfName.TX.Equals(fieldType)) {
tx.Text = text;
return tx.GetAppearance();
}
if (!PdfName.CH.Equals(fieldType))
throw new DocumentException("An appearance was requested without a variable text field.");
PdfArray opt = merged.GetAsArray(PdfName.OPT);
int flags = 0;
PdfNumber nfl = merged.GetAsNumber(PdfName.FF);
if (nfl != null)
flags = nfl.IntValue;
if ((flags & PdfFormField.FF_COMBO) != 0 && opt == null) {
tx.Text = text;
return tx.GetAppearance();
}
if (opt != null) {
String[] choices = new String[opt.Size];
String[] choicesExp = new String[opt.Size];
for (int k = 0; k < opt.Size; ++k) {
PdfObject obj = opt[k];
if (obj.IsString()) {
choices[k] = choicesExp[k] = ((PdfString)obj).ToUnicodeString();
}
else {
PdfArray a = (PdfArray) obj;
choicesExp[k] = a.GetAsString(0).ToUnicodeString();
choices[k] = a.GetAsString(1).ToUnicodeString();
}
}
if ((flags & PdfFormField.FF_COMBO) != 0) {
for (int k = 0; k < choices.Length; ++k) {
if (text.Equals(choicesExp[k])) {
text = choices[k];
break;
}
}
tx.Text = text;
return tx.GetAppearance();
}
int idx = 0;
for (int k = 0; k < choicesExp.Length; ++k) {
if (text.Equals(choicesExp[k])) {
idx = k;
break;
}
}
tx.Choices = choices;
tx.ChoiceExports = choicesExp;
tx.ChoiceSelection = idx;
}
PdfAppearance app = tx.GetListAppearance();
topFirst = tx.TopFirst;
return app;
}
internal int GetPageRotation(PdfDictionary page) {
PdfNumber rotate = page.GetAsNumber(PdfName.ROTATE);
if (rotate == null)
return 0;
else {
int n = rotate.IntValue;
n %= 360;
return n < 0 ? n + 360 : n;
}
}
private void FillFontDesc(PdfDictionary fontDesc) {
if (fontDesc == null)
return;
PdfNumber v = fontDesc.GetAsNumber(PdfName.ASCENT);
if (v != null)
Ascender = v.FloatValue;
v = fontDesc.GetAsNumber(PdfName.CAPHEIGHT);
if (v != null)
CapHeight = v.FloatValue;
v = fontDesc.GetAsNumber(PdfName.DESCENT);
if (v != null)
Descender = v.FloatValue;
v = fontDesc.GetAsNumber(PdfName.ITALICANGLE);
if (v != null)
ItalicAngle = v.FloatValue;
v = fontDesc.GetAsNumber(PdfName.FONTWEIGHT);
if (v != null) {
fontWeight = v.FloatValue;
}
PdfArray bbox = fontDesc.GetAsArray(PdfName.FONTBBOX);
if (bbox != null) {
llx = bbox.GetAsNumber(0).FloatValue;
lly = bbox.GetAsNumber(1).FloatValue;
urx = bbox.GetAsNumber(2).FloatValue;
ury = bbox.GetAsNumber(3).FloatValue;
if (llx > urx) {
float t = llx;
llx = urx;
urx = t;
}
if (lly > ury) {
float t = lly;
lly = ury;
ury = t;
}
}
float maxAscent = Math.Max(ury, Ascender);
float minDescent = Math.Min(lly, Descender);
Ascender = maxAscent * 1000 / (maxAscent - minDescent);
Descender = minDescent * 1000 / (maxAscent - minDescent);
}
private void DoType1TT()
{
PdfObject enc = PdfReader.GetPdfObject(font.Get(PdfName.ENCODING));
if (enc == null)
{
FillEncoding(null);
}
else
{
if (enc.IsName())
{
FillEncoding((PdfName)enc);
}
else
{
PdfDictionary encDic = (PdfDictionary)enc;
enc = PdfReader.GetPdfObject(encDic.Get(PdfName.BASEENCODING));
if (enc == null)
{
FillEncoding(null);
}
else
{
FillEncoding((PdfName)enc);
}
PdfArray diffs = encDic.GetAsArray(PdfName.DIFFERENCES);
if (diffs != null)
{
diffmap = new IntHashtable();
int currentNumber = 0;
for (int k = 0; k < diffs.Size; ++k)
{
PdfObject obj = diffs[k];
if (obj.IsNumber())
{
currentNumber = ((PdfNumber)obj).IntValue;
}
else
{
int[] c = GlyphList.NameToUnicode(PdfName.DecodeName(((PdfName)obj).ToString()));
if (c != null && c.Length > 0)
{
uni2byte[c[0]] = currentNumber;
diffmap[c[0]] = currentNumber;
}
++currentNumber;
}
}
}
}
}
PdfArray newWidths = font.GetAsArray(PdfName.WIDTHS);
PdfNumber first = font.GetAsNumber(PdfName.FIRSTCHAR);
PdfNumber last = font.GetAsNumber(PdfName.LASTCHAR);
if (BuiltinFonts14.ContainsKey(fontName))
{
BaseFont bf;
bf = BaseFont.CreateFont(fontName, WINANSI, false);
int[] e = uni2byte.ToOrderedKeys();
for (int k = 0; k < e.Length; ++k)
{
int n = uni2byte[e[k]];
widths[n] = bf.GetRawWidth(n, GlyphList.UnicodeToName(e[k]));
}
if (diffmap != null) //widths for differences must override existing ones
{
e = diffmap.ToOrderedKeys();
for (int k = 0; k < e.Length; ++k)
{
int n = diffmap[e[k]];
widths[n] = bf.GetRawWidth(n, GlyphList.UnicodeToName(e[k]));
}
diffmap = null;
}
Ascender = bf.GetFontDescriptor(ASCENT, 1000);
CapHeight = bf.GetFontDescriptor(CAPHEIGHT, 1000);
Descender = bf.GetFontDescriptor(DESCENT, 1000);
ItalicAngle = bf.GetFontDescriptor(ITALICANGLE, 1000);
llx = bf.GetFontDescriptor(BBOXLLX, 1000);
lly = bf.GetFontDescriptor(BBOXLLY, 1000);
urx = bf.GetFontDescriptor(BBOXURX, 1000);
ury = bf.GetFontDescriptor(BBOXURY, 1000);
}
if (first != null && last != null && newWidths != null)
{
int f = first.IntValue;
for (int k = 0; k < newWidths.Size; ++k)
{
widths[f + k] = newWidths.GetAsNumber(k).IntValue;
}
}
FillFontDesc(font.GetAsDict(PdfName.FONTDESCRIPTOR));
}
/**
* Parses the samples of the image from the underlying content parser, ignoring all filters.
* The parser must be positioned immediately after the ID operator that ends the inline image's dictionary.
* The parser will be left positioned immediately following the EI operator.
* This is primarily useful if no filters have been applied.
* @param imageDictionary the dictionary of the inline image
* @param ps the content parser
* @return the samples of the image
* @throws IOException if anything bad happens during parsing
*/
private static byte[] ParseUnfilteredSamples(PdfDictionary imageDictionary, PdfDictionary colorSpaceDic, PdfContentParser ps)
{
// special case: when no filter is specified, we just read the number of bits
// per component, multiplied by the width and height.
if (imageDictionary.Contains(PdfName.FILTER))
throw new ArgumentException("Dictionary contains filters");
PdfNumber h = imageDictionary.GetAsNumber(PdfName.HEIGHT);
int bytesToRead = ComputeBytesPerRow(imageDictionary, colorSpaceDic) * h.IntValue;
byte[] bytes = new byte[bytesToRead];
PRTokeniser tokeniser = ps.GetTokeniser();
int shouldBeWhiteSpace = tokeniser.Read(); // skip next character (which better be a whitespace character - I suppose we could check for this)
// from the PDF spec: Unless the image uses ASCIIHexDecode or ASCII85Decode as one of its filters, the ID operator shall be followed by a single white-space character, and the next character shall be interpreted as the first byte of image data.
// unfortunately, we've seen some PDFs where there is no space following the ID, so we have to capture this case and handle it
int startIndex = 0;
if (!PRTokeniser.IsWhitespace(shouldBeWhiteSpace) || shouldBeWhiteSpace == 0){ // tokeniser treats 0 as whitespace, but for our purposes, we shouldn't)
bytes[0] = (byte)shouldBeWhiteSpace;
startIndex++;
}
for (int i = startIndex; i < bytesToRead; i++){
int ch = tokeniser.Read();
if (ch == -1)
throw new InlineImageParseException("End of content stream reached before end of image data");
bytes[i] = (byte)ch;
}
PdfObject ei = ps.ReadPRObject();
if (!ei.ToString().Equals("EI"))
throw new InlineImageParseException("EI not found after end of image data");
return bytes;
}
/**
* Computes the number of unfiltered bytes that each row of the image will contain.
* If the number of bytes results in a partial terminating byte, this number is rounded up
* per the PDF specification
* @param imageDictionary the dictionary of the inline image
* @return the number of bytes per row of the image
*/
private static int ComputeBytesPerRow(PdfDictionary imageDictionary, PdfDictionary colorSpaceDic)
{
PdfNumber wObj = imageDictionary.GetAsNumber(PdfName.WIDTH);
PdfNumber bpcObj = imageDictionary.GetAsNumber(PdfName.BITSPERCOMPONENT);
int cpp = GetComponentsPerPixel(imageDictionary.GetAsName(PdfName.COLORSPACE), colorSpaceDic);
int w = wObj.IntValue;
int bpc = bpcObj != null ? bpcObj.IntValue : 1;
int bytesPerRow = (w * bpc * cpp + 7) / 8;
return bytesPerRow;
}
public byte[] Decode(byte[] b, PdfName filterName, PdfObject decodeParams, PdfDictionary streamDictionary)
{
PdfNumber wn = (PdfNumber)PdfReader.GetPdfObjectRelease(streamDictionary.Get(PdfName.WIDTH));
PdfNumber hn = (PdfNumber)PdfReader.GetPdfObjectRelease(streamDictionary.Get(PdfName.HEIGHT));
if (wn == null || hn == null)
{
throw new UnsupportedPdfException(MessageLocalization.GetComposedMessage("filter.ccittfaxdecode.is.only.supported.for.images"));
}
int width = wn.IntValue;
int height = hn.IntValue;
PdfDictionary param = decodeParams is PdfDictionary ? (PdfDictionary)decodeParams : null;
int k = 0;
bool blackIs1 = false;
bool byteAlign = false;
if (param != null)
{
PdfNumber kn = param.GetAsNumber(PdfName.K);
if (kn != null)
{
k = kn.IntValue;
}
PdfBoolean bo = param.GetAsBoolean(PdfName.BLACKIS1);
if (bo != null)
{
blackIs1 = bo.BooleanValue;
}
bo = param.GetAsBoolean(PdfName.ENCODEDBYTEALIGN);
if (bo != null)
{
byteAlign = bo.BooleanValue;
}
}
byte[] outBuf = new byte[(width + 7) / 8 * height];
TIFFFaxDecompressor decoder = new TIFFFaxDecompressor();
if (k == 0 || k > 0)
{
int tiffT4Options = k > 0 ? TIFFConstants.GROUP3OPT_2DENCODING : 0;
tiffT4Options |= byteAlign ? TIFFConstants.GROUP3OPT_FILLBITS : 0;
decoder.SetOptions(1, TIFFConstants.COMPRESSION_CCITTFAX3, tiffT4Options, 0);
decoder.DecodeRaw(outBuf, b, width, height);
if (decoder.fails > 0)
{
byte[] outBuf2 = new byte[(width + 7) / 8 * height];
int oldFails = decoder.fails;
decoder.SetOptions(1, TIFFConstants.COMPRESSION_CCITTRLE, tiffT4Options, 0);
decoder.DecodeRaw(outBuf2, b, width, height);
if (decoder.fails < oldFails)
{
outBuf = outBuf2;
}
}
}
else
{
TIFFFaxDecoder deca = new TIFFFaxDecoder(1, width, height);
deca.DecodeT6(outBuf, b, 0, height, 0);
}
if (!blackIs1)
{
int len = outBuf.Length;
for (int t = 0; t < len; ++t)
{
outBuf[t] ^= 0xff;
}
}
b = outBuf;
return(b);
}
internal static int? GetFlags(PdfDictionary field) {
PdfName type = field.GetAsName(PdfName.FT);
if (!PdfName.BTN.Equals(type))
return null;
PdfNumber flags = field.GetAsNumber(PdfName.FF);
if (flags == null)
return null;
return flags.IntValue;
}
/**
* Parses the samples of the image from the underlying content parser, ignoring all filters.
* The parser must be positioned immediately after the ID operator that ends the inline image's dictionary.
* The parser will be left positioned immediately following the EI operator.
* This is primarily useful if no filters have been applied.
* @param imageDictionary the dictionary of the inline image
* @param ps the content parser
* @return the samples of the image
* @throws IOException if anything bad happens during parsing
*/
private static byte[] ParseUnfilteredSamples(PdfDictionary imageDictionary, PdfContentParser ps) {
// special case: when no filter is specified, we just read the number of bits
// per component, multiplied by the width and height.
if (imageDictionary.Contains(PdfName.FILTER))
throw new ArgumentException("Dictionary contains filters");
PdfNumber h = imageDictionary.GetAsNumber(PdfName.HEIGHT);
int bytesToRead = ComputeBytesPerRow(imageDictionary) * h.IntValue;
byte[] bytes = new byte[bytesToRead];
PRTokeniser tokeniser = ps.GetTokeniser();
tokeniser.Read(); // skip next character (which better be a whitespace character - I suppose we could check for this)
for (int i = 0; i < bytesToRead; i++){
int ch = tokeniser.Read();
if (ch == -1)
throw new InlineImageParseException("End of content stream reached before end of image data");
bytes[i] = (byte)ch;
}
PdfObject ei = ps.ReadPRObject();
if (!ei.ToString().Equals("EI"))
throw new InlineImageParseException("EI not found after end of image data");
return bytes;
}
private void DoType1TT()
{
CMapToUnicode toUnicode = null;
PdfObject enc = PdfReader.GetPdfObject(font.Get(PdfName.ENCODING));
if (enc == null)
{
PdfName baseFont = font.GetAsName(PdfName.BASEFONT);
if (BuiltinFonts14.ContainsKey(fontName) &&
(PdfName.SYMBOL.Equals(baseFont) || PdfName.ZAPFDINGBATS.Equals(baseFont)))
{
FillEncoding(baseFont);
}
else
{
FillEncoding(null);
}
toUnicode = ProcessToUnicode();
if (toUnicode != null)
{
IDictionary <int, int> rm = toUnicode.CreateReverseMapping();
foreach (KeyValuePair <int, int> kv in rm)
{
uni2byte[kv.Key] = kv.Value;
byte2uni[kv.Value] = kv.Key;
}
}
}
else
{
if (enc.IsName())
{
FillEncoding((PdfName)enc);
}
else if (enc.IsDictionary())
{
PdfDictionary encDic = (PdfDictionary)enc;
enc = PdfReader.GetPdfObject(encDic.Get(PdfName.BASEENCODING));
if (enc == null)
{
FillEncoding(null);
}
else
{
FillEncoding((PdfName)enc);
}
PdfArray diffs = encDic.GetAsArray(PdfName.DIFFERENCES);
if (diffs != null)
{
diffmap = new IntHashtable();
int currentNumber = 0;
for (int k = 0; k < diffs.Size; ++k)
{
PdfObject obj = diffs[k];
if (obj.IsNumber())
{
currentNumber = ((PdfNumber)obj).IntValue;
}
else
{
int[] c = GlyphList.NameToUnicode(PdfName.DecodeName(((PdfName)obj).ToString()));
if (c != null && c.Length > 0)
{
uni2byte[c[0]] = currentNumber;
byte2uni[currentNumber] = c[0];
diffmap[c[0]] = currentNumber;
}
else
{
if (toUnicode == null)
{
toUnicode = ProcessToUnicode();
if (toUnicode == null)
{
toUnicode = new CMapToUnicode();
}
}
string unicode = toUnicode.Lookup(new byte[] { (byte)currentNumber }, 0, 1);
if ((unicode != null) && (unicode.Length == 1))
{
this.uni2byte[unicode[0]] = currentNumber;
this.byte2uni[currentNumber] = unicode[0];
this.diffmap[unicode[0]] = currentNumber;
}
}
++currentNumber;
}
}
}
}
}
PdfArray newWidths = font.GetAsArray(PdfName.WIDTHS);
PdfNumber first = font.GetAsNumber(PdfName.FIRSTCHAR);
PdfNumber last = font.GetAsNumber(PdfName.LASTCHAR);
if (BuiltinFonts14.ContainsKey(fontName))
{
BaseFont bf = BaseFont.CreateFont(fontName, WINANSI, false);
int[] e = uni2byte.ToOrderedKeys();
for (int k = 0; k < e.Length; ++k)
{
int n = uni2byte[e[k]];
widths[n] = bf.GetRawWidth(n, GlyphList.UnicodeToName(e[k]));
}
if (diffmap != null) //widths for differences must override existing ones
{
e = diffmap.ToOrderedKeys();
for (int k = 0; k < e.Length; ++k)
{
int n = diffmap[e[k]];
widths[n] = bf.GetRawWidth(n, GlyphList.UnicodeToName(e[k]));
}
diffmap = null;
}
Ascender = bf.GetFontDescriptor(ASCENT, 1000);
CapHeight = bf.GetFontDescriptor(CAPHEIGHT, 1000);
Descender = bf.GetFontDescriptor(DESCENT, 1000);
ItalicAngle = bf.GetFontDescriptor(ITALICANGLE, 1000);
fontWeight = bf.GetFontDescriptor(FONT_WEIGHT, 1000);
llx = bf.GetFontDescriptor(BBOXLLX, 1000);
lly = bf.GetFontDescriptor(BBOXLLY, 1000);
urx = bf.GetFontDescriptor(BBOXURX, 1000);
ury = bf.GetFontDescriptor(BBOXURY, 1000);
}
if (first != null && last != null && newWidths != null)
{
int f = first.IntValue;
int nSize = f + newWidths.Size;
if (widths.Length < nSize)
{
int[] tmp = new int[nSize];
System.Array.Copy(widths, 0, tmp, 0, f);
widths = tmp;
}
for (int k = 0; k < newWidths.Size; ++k)
{
widths[f + k] = newWidths.GetAsNumber(k).IntValue;
}
}
FillFontDesc(font.GetAsDict(PdfName.FONTDESCRIPTOR));
}
private void doType1Tt()
{
PdfObject enc = PdfReader.GetPdfObject(_font.Get(PdfName.Encoding));
if (enc == null)
{
fillEncoding(null);
}
else
{
if (enc.IsName())
{
fillEncoding((PdfName)enc);
}
else
{
PdfDictionary encDic = (PdfDictionary)enc;
enc = PdfReader.GetPdfObject(encDic.Get(PdfName.Baseencoding));
if (enc == null)
{
fillEncoding(null);
}
else
{
fillEncoding((PdfName)enc);
}
PdfArray diffs = encDic.GetAsArray(PdfName.Differences);
if (diffs != null)
{
_diffmap = new IntHashtable();
int currentNumber = 0;
for (int k = 0; k < diffs.Size; ++k)
{
PdfObject obj = diffs[k];
if (obj.IsNumber())
{
currentNumber = ((PdfNumber)obj).IntValue;
}
else
{
int[] c = GlyphList.NameToUnicode(PdfName.DecodeName(((PdfName)obj).ToString()));
if (c != null && c.Length > 0)
{
Uni2Byte[c[0]] = currentNumber;
_diffmap[c[0]] = currentNumber;
}
++currentNumber;
}
}
}
}
}
PdfArray newWidths = _font.GetAsArray(PdfName.Widths);
PdfNumber first = _font.GetAsNumber(PdfName.Firstchar);
PdfNumber last = _font.GetAsNumber(PdfName.Lastchar);
if (BuiltinFonts14.ContainsKey(_fontName))
{
BaseFont bf;
bf = CreateFont(_fontName, WINANSI, false);
int[] e = Uni2Byte.ToOrderedKeys();
for (int k = 0; k < e.Length; ++k)
{
int n = Uni2Byte[e[k]];
widths[n] = bf.GetRawWidth(n, GlyphList.UnicodeToName(e[k]));
}
if (_diffmap != null)
{ //widths for differences must override existing ones
e = _diffmap.ToOrderedKeys();
for (int k = 0; k < e.Length; ++k)
{
int n = _diffmap[e[k]];
widths[n] = bf.GetRawWidth(n, GlyphList.UnicodeToName(e[k]));
}
_diffmap = null;
}
_ascender = bf.GetFontDescriptor(ASCENT, 1000);
_capHeight = bf.GetFontDescriptor(CAPHEIGHT, 1000);
_descender = bf.GetFontDescriptor(DESCENT, 1000);
_italicAngle = bf.GetFontDescriptor(ITALICANGLE, 1000);
_llx = bf.GetFontDescriptor(BBOXLLX, 1000);
_lly = bf.GetFontDescriptor(BBOXLLY, 1000);
_urx = bf.GetFontDescriptor(BBOXURX, 1000);
_ury = bf.GetFontDescriptor(BBOXURY, 1000);
}
if (first != null && last != null && newWidths != null)
{
int f = first.IntValue;
for (int k = 0; k < newWidths.Size; ++k)
{
widths[f + k] = newWidths.GetAsNumber(k).IntValue;
}
}
fillFontDesc(_font.GetAsDict(PdfName.Fontdescriptor));
}