Package com.itextpdf.text.pdf.fonts.cmaps

Examples of com.itextpdf.text.pdf.fonts.cmaps.CMapToUnicode

287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
            throw new ExceptionConverter(e);
        }
    }

    private void doType1TT() {
        CMapToUnicode toUnicode = null;
        PdfObject enc = PdfReader.getPdfObject(font.get(PdfName.ENCODING));
        if (enc == null) {
            fillEncoding(null);
            try {
                toUnicode = processToUnicode();
                if (toUnicode != null) {
                    Map<Integer, Integer> rm = toUnicode.createReverseMapping();
                    for (Map.Entry<Integer, Integer> kv : rm.entrySet()) {
                        uni2byte.put(kv.getKey().intValue(), kv.getValue().intValue());
                    }
                }
            }
            catch (Exception ex) {
                throw new ExceptionConverter(ex);
            }
        }
        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.getPdfObject(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.put(c[0], currentNumber);
                                diffmap.put(c[0], currentNumber);
                            }
                            else {
                                if (toUnicode == null) {
                                    toUnicode = processToUnicode();
                                    if (toUnicode == null) {
                                        toUnicode = new CMapToUnicode();
                                    }
                                }
                                final String unicode = toUnicode.lookup(new byte[]{(byte) currentNumber}, 0, 1);
                                if ((unicode != null) && (unicode.length() == 1)) {
                                    this.uni2byte.put(unicode.charAt(0), currentNumber);
                                    this.diffmap.put(unicode.charAt(0), currentNumber);
                                }
                            }
View Full Code Here
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
        }
        fillFontDesc(font.getAsDict(PdfName.FONTDESCRIPTOR));
    }

    private CMapToUnicode processToUnicode() {
        CMapToUnicode cmapRet = null;
        PdfObject toUni = PdfReader.getPdfObjectRelease(this.font.get(PdfName.TOUNICODE));
        if (toUni instanceof PRStream) {
            try {
                byte[] touni = PdfReader.getStreamBytes((PRStream)toUni);
                CidLocationFromByte lb = new CidLocationFromByte(touni);
                cmapRet = new CMapToUnicode();
                CMapParserEx.parseCid("", cmapRet, lb);
            } catch (Exception e) {
                cmapRet = null;
            }
        }
View Full Code Here
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
        PdfObject toUni = PdfReader.getPdfObjectRelease(fontDic.get(PdfName.TOUNICODE));
        if (toUni instanceof PRStream){
            try {
                byte[] touni = PdfReader.getStreamBytes((PRStream)toUni);
                CidLocationFromByte lb = new CidLocationFromByte(touni);
                toUnicodeCmap = new CMapToUnicode();
                CMapParserEx.parseCid("", toUnicodeCmap, lb);
                uni2cid = toUnicodeCmap.createReverseMapping();
            } catch (IOException e) {
                toUnicodeCmap = null;
                uni2cid = null;
                // technically, we should log this or provide some sort of feedback... but sometimes the cmap will be junk, but it's still possible to get text, so we don't want to throw an exception
                //throw new IllegalStateException("Unable to process ToUnicode map - " + e.getMessage(), e);
            }
        }
        else if (isType0) {
            // fake a ToUnicode for CJK Identity-H fonts
            try {
                PdfName encodingName = fontDic.getAsName(PdfName.ENCODING);
                if (encodingName == null)
                    return;
                String enc = PdfName.decodeName(encodingName.toString());
                if (!enc.equals("Identity-H"))
                    return;
                PdfArray df = (PdfArray)PdfReader.getPdfObjectRelease(fontDic.get(PdfName.DESCENDANTFONTS));
                PdfDictionary cidft = (PdfDictionary)PdfReader.getPdfObjectRelease(df.getPdfObject(0));
                PdfDictionary cidinfo = cidft.getAsDict(PdfName.CIDSYSTEMINFO);
                if (cidinfo == null)
                    return;
                PdfString ordering = cidinfo.getAsString(PdfName.ORDERING);
                if (ordering == null)
                    return;
                CMapToUnicode touni = IdentityToUnicode.GetMapFromOrdering(ordering.toUnicodeString());
                if (touni == null)
                    return;
                toUnicodeCmap = touni;
                uni2cid = toUnicodeCmap.createReverseMapping();
            } catch (IOException e) {
View Full Code Here
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
            throw new ExceptionConverter(e);
        }
    }

    private void doType1TT() {
        CMapToUnicode toUnicode = null;
        PdfObject enc = PdfReader.getPdfObject(font.get(PdfName.ENCODING));
        if (enc == null) {
            fillEncoding(null);
            try {
                toUnicode = processToUnicode();
                if (toUnicode != null) {
                    Map<Integer, Integer> rm = toUnicode.createReverseMapping();
                    for (Map.Entry<Integer, Integer> kv : rm.entrySet()) {
                        uni2byte.put(kv.getKey().intValue(), kv.getValue().intValue());
                    }
                }
            }
            catch (Exception ex) {
                throw new ExceptionConverter(ex);
            }
        }
        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.getPdfObject(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.put(c[0], currentNumber);
                                diffmap.put(c[0], currentNumber);
                            }
                            else {
                                if (toUnicode == null) {
                                    toUnicode = processToUnicode();
                                    if (toUnicode == null) {
                                        toUnicode = new CMapToUnicode();
                                    }
                                }
                                final String unicode = toUnicode.lookup(new byte[]{(byte) currentNumber}, 0, 1);
                                if ((unicode != null) && (unicode.length() == 1)) {
                                    this.uni2byte.put(unicode.charAt(0), currentNumber);
                                    this.diffmap.put(unicode.charAt(0), currentNumber);
                                }
                            }
View Full Code Here
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
        }
        fillFontDesc(font.getAsDict(PdfName.FONTDESCRIPTOR));
    }

    private CMapToUnicode processToUnicode() {
        CMapToUnicode cmapRet = null;
        PdfObject toUni = PdfReader.getPdfObjectRelease(this.font.get(PdfName.TOUNICODE));
        if (toUni instanceof PRStream) {
            try {
                byte[] touni = PdfReader.getStreamBytes((PRStream)toUni);
                CidLocationFromByte lb = new CidLocationFromByte(touni);
                cmapRet = new CMapToUnicode();
                CMapParserEx.parseCid("", cmapRet, lb);
            } catch (Exception e) {
                cmapRet = null;
            }
        }
View Full Code Here
126
127
128
129
130
131
132
133
134
135
136
        PdfObject toUni = PdfReader.getPdfObjectRelease(fontDic.get(PdfName.TOUNICODE));
        if (toUni instanceof PRStream){
            try {
                byte[] touni = PdfReader.getStreamBytes((PRStream)toUni);
                CidLocationFromByte lb = new CidLocationFromByte(touni);
                toUnicodeCmap = new CMapToUnicode();
                CMapParserEx.parseCid("", toUnicodeCmap, lb);
                uni2cid = toUnicodeCmap.createReverseMapping();
            } catch (IOException e) {
                toUnicodeCmap = null;
                uni2cid = null;
View Full Code Here
TOP

Related Classes of com.itextpdf.text.pdf.fonts.cmaps.CMapToUnicode

  • com.itextpdf.text.ExceptionConverter
  • com.itextpdf.text.pdf.CMapAwareDocumentFont
  • com.itextpdf.text.pdf.DocumentFont
  • java.io.IOException
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.