summaryrefslogtreecommitdiffstats
path: root/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx
blob: 16ad04bf660a615239bcb28b3877cc5f793b4b93 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
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
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include "pdfioutdev_gpl.hxx"
#include "pnghelper.hxx"

#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <math.h>

#include <memory>
#include <vector>

// sigh, UTF8.h was removed in poppler-0.21.0 and put back in 0.21.1, then renamed to UnicodeMapFuncs.h in 0.62.0
// FIXME: we can't use #if POPPLER_CHECK_VERSION(0, 21, 0) && !POPPLER_CHECK_VERSION(0, 21, 1)
//        because the internal poppler does not provide poppler-version.h and the macro always returns 0
#if POPPLER_CHECK_VERSION(0, 62, 0)
#include <UnicodeMapFuncs.h>
#elif POPPLER_CHECK_VERSION(0, 21, 1)
#include <UTF8.h>
#elif POPPLER_CHECK_VERSION(0, 21, 0)
#include "UTF.h"
#else
#include "UTF8.h"
#endif

#ifdef _WIN32
# define snprintf _snprintf

#if defined __GNUC__
#pragma GCC diagnostic warning "-Wformat"
#pragma GCC diagnostic warning "-Wformat-extra-args"
#endif
#endif

/* SYNC STREAMS
   ============

   We stream human-readable tokens to stdout, and binary data (fonts,
   bitmaps) to g_binary_out. Another process reads from those pipes, and
   there lies the rub: things can deadlock, if the two involved
   processes access the pipes in different order. At any point in
   time, both processes must access the same pipe. To ensure this,
   data must be flushed to the OS before writing to a different pipe,
   otherwise not-yet-written data will leave the reading process
   waiting on the wrong pipe.
 */

namespace pdfi
{

/// cut off very small numbers & clamp value to zero
static double normalize( double val )
{
    return fabs(val) < 0.0000001 ? 0.0 : val;
}

namespace
{

/** Escapes line-ending characters (\n and \r) in input string.
  */
std::vector<char> lcl_escapeLineFeeds(const char* const i_pStr)
{
    size_t nLength(strlen(i_pStr));
    std::vector<char> aBuffer;
    aBuffer.reserve(2*nLength+1);

    const char* pRead = i_pStr;
    while( nLength-- )
    {
        if( *pRead == '\r' )
        {
            aBuffer.push_back('\\');
            aBuffer.push_back('r');
        }
        else if( *pRead == '\n' )
        {
            aBuffer.push_back('\\');
            aBuffer.push_back('n');
        }
        else if( *pRead == '\\' )
        {
            aBuffer.push_back('\\');
            aBuffer.push_back('\\');
        }
        else
            aBuffer.push_back(*pRead);
        pRead++;
    }
    aBuffer.push_back(0);

    return aBuffer;
}

}

/// for the temp char buffer the header gets snprintfed in
#define WRITE_BUFFER_SIZE 1024

/// for the initial std::vector capacity when copying stream from xpdf
#define WRITE_BUFFER_INITIAL_CAPACITY (1024*100)

static void initBuf(OutputBuffer& io_rBuffer)
{
    io_rBuffer.reserve(WRITE_BUFFER_INITIAL_CAPACITY);
}

static void writeBinaryBuffer( const OutputBuffer& rBuffer )
{
    // ---sync point--- see SYNC STREAMS above
    fflush(stdout);

    // put buffer to stderr
    if( !rBuffer.empty() )
        if( fwrite(rBuffer.data(), sizeof(char),
                   rBuffer.size(), g_binary_out) != static_cast<size_t>(rBuffer.size()) )
            exit(1); // error

    // ---sync point--- see SYNC STREAMS above
    fflush(g_binary_out);
}

static bool ExtractJpegData(Stream* str, OutputBuffer& outBuf)
{
    int bytesToMarker = 0;
    int bytesToLen = -1;
    bool collectBytes = false;
    int startOfScan = 0;
    int b1 = -1;
    for (; ; )
    {
        const int b2 = b1;
        b1 = str->getChar();

        if (b1 == -1)
            return false;

        if (collectBytes)
        {
            outBuf.push_back(static_cast<Output_t>(b1));

            bytesToMarker--;
            bytesToLen--;
        }

        if (bytesToMarker == 0)
        {
            if (startOfScan == 1)
            {
                bytesToMarker = -1;
                startOfScan = 2;
            }
            else if (b2 == 0xFF)
            {
                if (b1 == 0xD8)
                {
                    collectBytes = true;
                    bytesToMarker = 2;

                    outBuf.push_back(Output_t(0xFF));
                    outBuf.push_back(Output_t(0xD8));
                }
                else
                {
                    bytesToLen = 2;
                }
                if (b1 == 0xDA)
                {
                    startOfScan = 1;
                }
            }
            else if (collectBytes)
            {
                return false;
            }
        }

        if (bytesToLen == 0)
        {
            bytesToMarker = b2 * 256 + b1;
        }

        if (startOfScan == 2)
            if ((b2 == 0xFF) && (b1 == 0xD9))
                return true;
    }
}

static void writeJpeg_( OutputBuffer& o_rOutputBuf, Stream* str )
{
    // dump JPEG file as-is
#if POPPLER_CHECK_VERSION(0, 17, 3)
    str = str->getNextStream();
#else
    str = ((DCTStream *)str)->getRawStream();
#endif
    str->reset();

    o_rOutputBuf.clear();
    ExtractJpegData(str, o_rOutputBuf);

    printf( " JPEG %d", static_cast<int>(o_rOutputBuf.size()) );
    printf("\n");

    str->close();
}

static void writePbm_(OutputBuffer& o_rOutputBuf, Stream* str, int width, int height, bool bInvert )
{
    // write as PBM (char by char, to avoid stdlib lineend messing)
    o_rOutputBuf.clear();
    o_rOutputBuf.resize(WRITE_BUFFER_SIZE);
    o_rOutputBuf[0] = 'P';
    o_rOutputBuf[1] = '4';
    o_rOutputBuf[2] = 0x0A;
    char *pAsCharPtr = reinterpret_cast<char *>(&o_rOutputBuf[3]);
    int nOutLen = snprintf(pAsCharPtr, WRITE_BUFFER_SIZE-10, "%d %d", width, height);
    if( nOutLen < 0 )
        nOutLen = WRITE_BUFFER_SIZE-10;
    o_rOutputBuf[3+nOutLen]  =0x0A;
    o_rOutputBuf[3+nOutLen+1]=0;

    const int header_size = 3+nOutLen+1;
    const int size = height * ((width + 7) / 8);

    printf( " PBM %d", size + header_size );
    printf("\n");

    // trim buffer to exact header length
    o_rOutputBuf.resize(header_size);

    // initialize stream
    str->reset();

    // copy the raw stream
    if( bInvert )
    {
        for( int i=0; i<size; ++i)
            o_rOutputBuf.push_back(static_cast<char>(str->getChar() ^ 0xff));
    }
    else
    {
        for( int i=0; i<size; ++i)
            o_rOutputBuf.push_back(static_cast<char>(str->getChar()));
    }

    str->close();
}

static void writePpm_( OutputBuffer&     o_rOutputBuf,
                Stream*           str,
                int               width,
                int               height,
                GfxImageColorMap* colorMap )
{
    // write as PPM (char by char, to avoid stdlib lineend messing)
    o_rOutputBuf.clear();
    o_rOutputBuf.resize(WRITE_BUFFER_SIZE);
    o_rOutputBuf[0] = 'P';
    o_rOutputBuf[1] = '6';
    o_rOutputBuf[2] = '\n';
    char *pAsCharPtr = reinterpret_cast<char *>(&o_rOutputBuf[3]);
    int nOutLen = snprintf(pAsCharPtr, WRITE_BUFFER_SIZE-10, "%d %d", width, height);
    if( nOutLen < 0 )
        nOutLen = WRITE_BUFFER_SIZE-10;
    o_rOutputBuf[3+nOutLen]  ='\n';
    o_rOutputBuf[3+nOutLen+1]='2';
    o_rOutputBuf[3+nOutLen+2]='5';
    o_rOutputBuf[3+nOutLen+3]='5';
    o_rOutputBuf[3+nOutLen+4]='\n';
    o_rOutputBuf[3+nOutLen+5]=0;

    const int header_size = 3+nOutLen+5;
    const int size = width*height*3 + header_size;

    printf( " PPM %d", size );
    printf("\n");

    // trim buffer to exact header size
    o_rOutputBuf.resize(header_size);

    // initialize stream
    unsigned char *p;
    GfxRGB rgb;
    std::unique_ptr<ImageStream> imgStr(
        new ImageStream(str,
                        width,
                        colorMap->getNumPixelComps(),
                        colorMap->getBits()));
    imgStr->reset();

    for( int y=0; y<height; ++y)
    {
        p = imgStr->getLine();
        for( int x=0; x<width; ++x)
        {
            colorMap->getRGB(p, &rgb);
            o_rOutputBuf.push_back(colToByte(rgb.r));
            o_rOutputBuf.push_back(colToByte(rgb.g));
            o_rOutputBuf.push_back(colToByte(rgb.b));

            p +=colorMap->getNumPixelComps();
        }
    }
}

// call this only for 1 bit image streams !
static void writePng_( OutputBuffer&     o_rOutputBuf,
                Stream*           str,
                int               width,
                int               height,
                GfxRGB const &    zeroColor,
                GfxRGB const &    oneColor,
                bool              bIsMask )
{
    o_rOutputBuf.clear();

    // get png image
    PngHelper::createPng( o_rOutputBuf, str, width, height, zeroColor, oneColor, bIsMask );

    printf( " PNG %d", static_cast<int>(o_rOutputBuf.size()) );
    printf("\n");
}

static void writePng_( OutputBuffer& o_rOutputBuf,
                Stream* str,
                int width, int height, GfxImageColorMap* colorMap,
                Stream* maskStr,
                int maskWidth, int maskHeight, GfxImageColorMap* maskColorMap )
{
    o_rOutputBuf.clear();

    // get png image
    PngHelper::createPng( o_rOutputBuf, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap );

    printf( " PNG %d", static_cast<int>(o_rOutputBuf.size()) );
    printf("\n");
}

static void writePng_( OutputBuffer& o_rOutputBuf,
                Stream* str,
                int width, int height, GfxImageColorMap* colorMap,
                Stream* maskStr,
                int maskWidth, int maskHeight, bool maskInvert )
{
    o_rOutputBuf.clear();

    // get png image
    PngHelper::createPng( o_rOutputBuf, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert );

    printf( " PNG %d", static_cast<int>(o_rOutputBuf.size()) );
    printf("\n");
}

// stolen from ImageOutputDev.cc
static void writeMask_( OutputBuffer& o_rOutputBuf, Stream* str, int width, int height, bool bInvert )
{
    if( str->getKind() == strDCT )
        writeJpeg_(o_rOutputBuf, str);
    else
        writePbm_(o_rOutputBuf, str, width, height, bInvert );
}

static void writeImage_( OutputBuffer&     o_rOutputBuf,
                  Stream*           str,
                  int               width,
                  int               height,
                  GfxImageColorMap* colorMap )
{
    // dump JPEG file
    if( str->getKind() == strDCT &&
        (colorMap->getNumPixelComps() == 1 ||
         colorMap->getNumPixelComps() == 3) )
    {
        writeJpeg_(o_rOutputBuf, str);
    }
    else if (colorMap->getNumPixelComps() == 1 &&
             colorMap->getBits() == 1)
    {
        // this is a two color bitmap, write a png
        // provide default colors
        GfxRGB zeroColor = { 0, 0, 0 },
                oneColor = { byteToCol( 0xff ), byteToCol( 0xff ), byteToCol( 0xff ) };
        if( colorMap->getColorSpace()->getMode() == csIndexed || colorMap->getColorSpace()->getMode() == csDeviceGray )
        {
            unsigned char nIndex = 0;
            colorMap->getRGB( &nIndex, &zeroColor );
            nIndex = 1;
            colorMap->getRGB( &nIndex, &oneColor );
        }
        writePng_( o_rOutputBuf, str, width, height, zeroColor, oneColor, false);
    }
    else
        writePpm_( o_rOutputBuf, str, width, height, colorMap );
}

// forwarders


static void writeImageLF( OutputBuffer&     o_rOutputBuf,
                          Stream*           str,
                          int               width,
                          int               height,
                          GfxImageColorMap* colorMap ) { writeImage_(o_rOutputBuf,str,width,height,colorMap); }
static void writeMaskLF( OutputBuffer&     o_rOutputBuf,
                         Stream*           str,
                         int               width,
                         int               height,
                         bool              bInvert ) { writeMask_(o_rOutputBuf,str,width,height,bInvert); }


int PDFOutDev::parseFont( long long nNewId, GfxFont* gfxFont, GfxState* state ) const
{
    FontAttributes aNewFont;
    int nSize = 0;

#if POPPLER_CHECK_VERSION(0, 64, 0)
    const
#endif
    GooString* pFamily = gfxFont->getName();
    if( pFamily )
    {
        aNewFont.familyName.clear();
        aNewFont.familyName.append( gfxFont->getName() );
    }
    else
    {
        aNewFont.familyName.clear();
        aNewFont.familyName.append( "Arial" );
    }

    aNewFont.isBold        = gfxFont->isBold();
    aNewFont.isItalic      = gfxFont->isItalic();
    aNewFont.size          = state->getTransformedFontSize();
    aNewFont.isUnderline   = false;

    if( gfxFont->getType() == fontTrueType || gfxFont->getType() == fontType1 )
    {
        // TODO(P3): Unfortunately, need to read stream twice, since
        // we must write byte count to stdout before
        char* pBuf = gfxFont->readEmbFontFile( m_pDoc->getXRef(), &nSize );
        if( pBuf )
        {
            aNewFont.isEmbedded = true;
            gfree(pBuf);
        }
    }

    m_aFontMap[ nNewId ] = aNewFont;
    return nSize;
}

void PDFOutDev::writeFontFile( GfxFont* gfxFont ) const
{
    if( gfxFont->getType() != fontTrueType && gfxFont->getType() != fontType1 )
        return;

    int nSize = 0;
    char* pBuf = gfxFont->readEmbFontFile( m_pDoc->getXRef(), &nSize );
    if( !pBuf )
        return;

    // ---sync point--- see SYNC STREAMS above
    fflush(stdout);

    if( fwrite(pBuf, sizeof(char), nSize, g_binary_out) != static_cast<size_t>(nSize) )
    {
        gfree(pBuf);
        exit(1); // error
    }
    // ---sync point--- see SYNC STREAMS above
    fflush(g_binary_out);
    gfree(pBuf);
}

#if POPPLER_CHECK_VERSION(0, 83, 0)
void PDFOutDev::printPath( const GfxPath* pPath )
#else
void PDFOutDev::printPath( GfxPath* pPath )
#endif
{
    int nSubPaths = pPath ? pPath->getNumSubpaths() : 0;
    for( int i=0; i<nSubPaths; i++ )
    {
#if POPPLER_CHECK_VERSION(0, 83, 0)
        const
#endif
        GfxSubpath* pSub  = pPath->getSubpath( i );
        const int nPoints = pSub->getNumPoints();

        printf( " subpath %d", pSub->isClosed() );

        for( int n=0; n<nPoints; ++n )
        {
            printf( " %f %f %d",
                    normalize(pSub->getX(n)),
                    normalize(pSub->getY(n)),
                    pSub->getCurve(n) );
        }
    }
}

PDFOutDev::PDFOutDev( PDFDoc* pDoc ) :
    m_pDoc( pDoc ),
    m_aFontMap(),
    m_pUtf8Map( new UnicodeMap("UTF-8", true, &mapUTF8) ),
    m_bSkipImages(false)
{
}
PDFOutDev::~PDFOutDev()
{
}

void PDFOutDev::startPage(int /*pageNum*/, GfxState* state
#if POPPLER_CHECK_VERSION(0, 23, 0) ||  POPPLER_CHECK_VERSION(0, 24, 0)
                          , XRef* /*xref*/
#endif
)
{
    assert(state);
    printf("startPage %f %f\n",
           normalize(state->getPageWidth()),
           normalize(state->getPageHeight()));
}

void PDFOutDev::endPage()
{
    printf("endPage\n");
}

#if POPPLER_CHECK_VERSION(0, 19, 0)
void PDFOutDev::processLink(AnnotLink *link)
#elif POPPLER_CHECK_VERSION(0, 17, 0)
void PDFOutDev::processLink(AnnotLink *link, Catalog *)
#else
void PDFOutDev::processLink(Link* link, Catalog*)
#endif
{
    assert(link);

    double x1,x2,y1,y2;
    link->getRect( &x1, &y1, &x2, &y2 );

    LinkAction* pAction = link->getAction();
    if (!(pAction && pAction->getKind() == actionURI))
        return;

#if POPPLER_CHECK_VERSION(0, 86, 0)
    const char* pURI = static_cast<LinkURI*>(pAction)->getURI().c_str();
#elif POPPLER_CHECK_VERSION(0, 72, 0)
    const char* pURI = static_cast<LinkURI*>(pAction)->getURI()->c_str();
#else
    const char* pURI = static_cast<LinkURI*>(pAction)->getURI()->getCString();
#endif

    std::vector<char> aEsc( lcl_escapeLineFeeds(pURI) );

    printf( "drawLink %f %f %f %f %s\n",
            normalize(x1),
            normalize(y1),
            normalize(x2),
            normalize(y2),
            aEsc.data() );
}

void PDFOutDev::saveState(GfxState*)
{
    printf( "saveState\n" );
}

void PDFOutDev::restoreState(GfxState*)
{
    printf( "restoreState\n" );
}

#if POPPLER_CHECK_VERSION(0, 71, 0)
void PDFOutDev::setDefaultCTM(const double *pMat)
#else
void PDFOutDev::setDefaultCTM(double *pMat)
#endif
{
    assert(pMat);

    OutputDev::setDefaultCTM(pMat);

    printf( "updateCtm %f %f %f %f %f %f\n",
            normalize(pMat[0]),
            normalize(pMat[1]),
            normalize(pMat[2]),
            normalize(pMat[3]),
            normalize(pMat[4]),
            normalize(pMat[5]) );
}

void PDFOutDev::updateCTM(GfxState* state,
                          double, double,
                          double, double,
                          double, double)
{
    assert(state);

    const double* const pMat = state->getCTM();
    assert(pMat);

    printf( "updateCtm %f %f %f %f %f %f\n",
            normalize(pMat[0]),
            normalize(pMat[1]),
            normalize(pMat[2]),
            normalize(pMat[3]),
            normalize(pMat[4]),
            normalize(pMat[5]) );
}

void PDFOutDev::updateLineDash(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);

    double* dashArray; int arrayLen; double startOffset;
    state->getLineDash(&dashArray, &arrayLen, &startOffset);

    printf( "updateLineDash" );
    if( arrayLen && dashArray )
    {
        printf( " %f %d", normalize(startOffset), arrayLen );
        for( int i=0; i<arrayLen; ++i )
            printf( " %f", normalize(*dashArray++) );
    }
    printf( "\n" );
}

void PDFOutDev::updateFlatness(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);
    printf( "updateFlatness %d\n", state->getFlatness() );
}

void PDFOutDev::updateLineJoin(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);
    printf( "updateLineJoin %d\n", state->getLineJoin() );
}

void PDFOutDev::updateLineCap(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);
    printf( "updateLineCap %d\n", state->getLineCap() );
}

void PDFOutDev::updateMiterLimit(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);
    printf( "updateMiterLimit %f\n", normalize(state->getMiterLimit()) );
}

void PDFOutDev::updateLineWidth(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);
    printf( "updateLineWidth %f\n", normalize(state->getLineWidth()) );
}

void PDFOutDev::updateFillColor(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);

    GfxRGB aRGB;
    state->getFillRGB( &aRGB );

    printf( "updateFillColor %f %f %f %f\n",
            normalize(colToDbl(aRGB.r)),
            normalize(colToDbl(aRGB.g)),
            normalize(colToDbl(aRGB.b)),
            normalize(state->getFillOpacity()) );
}

void PDFOutDev::updateStrokeColor(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);

    GfxRGB aRGB;
    state->getStrokeRGB( &aRGB );

    printf( "updateStrokeColor %f %f %f %f\n",
            normalize(colToDbl(aRGB.r)),
            normalize(colToDbl(aRGB.g)),
            normalize(colToDbl(aRGB.b)),
            normalize(state->getFillOpacity()) );
}

void PDFOutDev::updateFillOpacity(GfxState *state)
{
    if (m_bSkipImages)
        return;
    updateFillColor(state);
}

void PDFOutDev::updateStrokeOpacity(GfxState *state)
{
    if (m_bSkipImages)
        return;
    updateStrokeColor(state);
}

void PDFOutDev::updateBlendMode(GfxState*)
{
}

void PDFOutDev::updateFont(GfxState *state)
{
    assert(state);

    GfxFont *gfxFont = state->getFont();
    if( !gfxFont )
        return;

    FontAttributes aFont;
    int nEmbedSize=0;

#if POPPLER_CHECK_VERSION(0, 64, 0)
    const
#endif
    Ref* pID = gfxFont->getID();
    // TODO(Q3): Portability problem
    long long fontID = static_cast<long long>(pID->gen) << 32 | static_cast<long long>(pID->num);
    std::unordered_map< long long, FontAttributes >::const_iterator it =
        m_aFontMap.find( fontID );
    if( it == m_aFontMap.end() )
    {
        nEmbedSize = parseFont( fontID, gfxFont, state );
        it = m_aFontMap.find( fontID );
    }

    printf( "updateFont" );
    if( it != m_aFontMap.end() )
    {
        // conflating this with printf below crashes under Windoze
        printf( " %lld", fontID );

        aFont = it->second;

#if POPPLER_CHECK_VERSION(0, 72, 0)
        std::vector<char> aEsc( lcl_escapeLineFeeds(aFont.familyName.c_str()) );
#else
        std::vector<char> aEsc( lcl_escapeLineFeeds(aFont.familyName.getCString()) );
#endif
        printf( " %d %d %d %d %f %d %s",
                aFont.isEmbedded,
                aFont.isBold,
                aFont.isItalic,
                aFont.isUnderline,
                normalize(state->getTransformedFontSize()),
                nEmbedSize,
                aEsc.data() );
    }
    printf( "\n" );

    if( nEmbedSize )
        writeFontFile(gfxFont);
}

void PDFOutDev::updateRender(GfxState *state)
{
    assert(state);

    printf( "setTextRenderMode %d\n", state->getRender() );
}

void PDFOutDev::stroke(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);

    printf( "strokePath" );
    printPath( state->getPath() );
    printf( "\n" );
}

void PDFOutDev::fill(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);

    printf( "fillPath" );
    printPath( state->getPath() );
    printf( "\n" );
}

void PDFOutDev::eoFill(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);

    printf( "eoFillPath" );
    printPath( state->getPath() );
    printf( "\n" );
}

void PDFOutDev::clip(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);

    printf( "clipPath" );
    printPath( state->getPath() );
    printf( "\n" );
}

void PDFOutDev::eoClip(GfxState *state)
{
    if (m_bSkipImages)
        return;
    assert(state);

    printf( "eoClipPath" );
    printPath( state->getPath() );
    printf( "\n" );
}

/** Output one glyph


    @param dx
    horizontal skip for character (already scaled with font size) +
    inter-char space: cursor is shifted by this amount for next char

    @param dy
    vertical skip for character (zero for horizontal writing mode):
    cursor is shifted by this amount for next char

    @param originX
    local offset of character (zero for horizontal writing mode). not
    taken into account for output pos updates. Used for vertical writing.

    @param originY
    local offset of character (zero for horizontal writing mode). not
    taken into account for output pos updates. Used for vertical writing.
 */

#if POPPLER_CHECK_VERSION(0, 82, 0)
void PDFOutDev::drawChar(GfxState *state, double x, double y,
                         double dx, double dy,
                         double originX, double originY,
                         CharCode, int /*nBytes*/, const Unicode *u, int uLen)
{
#else
void PDFOutDev::drawChar(GfxState *state, double x, double y,
                         double dx, double dy,
                         double originX, double originY,
                         CharCode, int /*nBytes*/, Unicode *u, int uLen)
{
#endif
    assert(state);

    if( u == nullptr )
        return;

    // Fix for tdf#96080
    if (uLen == 4 && u[0] == '\t' && u[1] == '\r' && u[2] == ' ' && u[3] == 0xA0)
    {
        u += 2;
        uLen = 1;
    }

    double csdx = 0.0;
    double csdy = 0.0;
    if (state->getFont()->getWMode())
    {
        csdy = state->getCharSpace();
        if (*u == ' ')
            csdy += state->getWordSpace();
    }
    else
    {
        csdx = state->getCharSpace();
        if (*u == ' ')
            csdx += state->getWordSpace();
        csdx *= state->getHorizScaling();
    }

    double cstdx = 0.0;
    double cstdy = 0.0;
    state->textTransformDelta(csdx, csdy, &cstdx, &cstdy);

    const double fontSize = state->getFontSize();

    const double aPositionX(x-originX);
    const double aPositionY(y-originY);

    const double* pTextMat=state->getTextMat();
    printf( "drawChar %f %f %f %f %f %f %f %f %f ",
            normalize(aPositionX),
            normalize(aPositionY),
            normalize(aPositionX + dx - cstdx),
            normalize(aPositionY + dy - cstdy),
            normalize(pTextMat[0]),
            normalize(pTextMat[2]),
            normalize(pTextMat[1]),
            normalize(pTextMat[3]),
            normalize(fontSize)
            );

    // silence spurious warning
#if POPPLER_CHECK_VERSION(0, 62, 0)
    (void)&mapUTF16;
#else
    (void)&mapUCS2;
#endif

    char buf[9];
    for( int i=0; i<uLen; ++i )
    {
        buf[ m_pUtf8Map->mapUnicode(u[i], buf, sizeof(buf)-1) ] = 0;
        std::vector<char> aEsc( lcl_escapeLineFeeds(buf) );
        printf( "%s", aEsc.data() );
    }

    printf( "\n" );
}

#if POPPLER_CHECK_VERSION(0, 64, 0)
void PDFOutDev::drawString(GfxState*, const GooString* /*s*/)
#else
void PDFOutDev::drawString(GfxState*, GooString* /*s*/)
#endif
{
    // TODO(F3): NYI
}

void PDFOutDev::endTextObject(GfxState*)
{
    printf( "endTextObject\n" );
}

void PDFOutDev::drawImageMask(GfxState* pState, Object*, Stream* str,
                              int width, int height, poppler_bool invert,
                              poppler_bool /*interpolate*/,
                              poppler_bool /*inlineImg*/ )
{
    if (m_bSkipImages)
        return;
    OutputBuffer aBuf; initBuf(aBuf);

    printf( "drawMask %d %d %d", width, height, invert );

    int bitsPerComponent = 1;
    StreamColorSpaceMode csMode = streamCSNone;
    str->getImageParams( &bitsPerComponent, &csMode );
    if( bitsPerComponent == 1 && (csMode == streamCSNone || csMode == streamCSDeviceGray) )
    {
        GfxRGB oneColor = { dblToCol( 1.0 ), dblToCol( 1.0 ), dblToCol( 1.0 ) };
        GfxRGB zeroColor = { dblToCol( 0.0 ), dblToCol( 0.0 ), dblToCol( 0.0 ) };
        pState->getFillColorSpace()->getRGB( pState->getFillColor(), &zeroColor );
        if( invert )
            writePng_( aBuf, str, width, height, oneColor, zeroColor, true );
        else
            writePng_( aBuf, str, width, height, zeroColor, oneColor, true );
    }
    else
        writeMaskLF(aBuf, str, width, height, invert);
    writeBinaryBuffer(aBuf);
}

#if POPPLER_CHECK_VERSION(0, 82, 0)
void PDFOutDev::drawImage(GfxState*, Object*, Stream* str,
                          int width, int height, GfxImageColorMap* colorMap,
                          poppler_bool /*interpolate*/,
                          const int* maskColors, poppler_bool /*inlineImg*/ )
{
#else
void PDFOutDev::drawImage(GfxState*, Object*, Stream* str,
                          int width, int height, GfxImageColorMap* colorMap,
                          poppler_bool /*interpolate*/,
                          int* maskColors, poppler_bool /*inlineImg*/ )
{
#endif
    if (m_bSkipImages)
        return;
    OutputBuffer aBuf; initBuf(aBuf);
    OutputBuffer aMaskBuf;

    printf( "drawImage %d %d", width, height );

    if( maskColors )
    {
        // write mask colors. nBytes must be even - first half is
        // lower bound values, second half upper bound values
        if( colorMap->getColorSpace()->getMode() == csIndexed )
        {
            aMaskBuf.push_back( static_cast<char>(maskColors[0]) );
            aMaskBuf.push_back( static_cast<char>(maskColors[gfxColorMaxComps]) );
        }
        else
        {
            GfxRGB aMinRGB;
            colorMap->getColorSpace()->getRGB(
#if POPPLER_CHECK_VERSION(0, 82, 0)
                reinterpret_cast<const GfxColor*>(maskColors),
#else
                reinterpret_cast<GfxColor*>(maskColors),
#endif
                &aMinRGB );

            GfxRGB aMaxRGB;
            colorMap->getColorSpace()->getRGB(
#if POPPLER_CHECK_VERSION(0, 82, 0)
                reinterpret_cast<const GfxColor*>(maskColors)+gfxColorMaxComps,
#else
                reinterpret_cast<GfxColor*>(maskColors)+gfxColorMaxComps,
#endif
                &aMaxRGB );

            aMaskBuf.push_back( colToByte(aMinRGB.r) );
            aMaskBuf.push_back( colToByte(aMinRGB.g) );
            aMaskBuf.push_back( colToByte(aMinRGB.b) );
            aMaskBuf.push_back( colToByte(aMaxRGB.r) );
            aMaskBuf.push_back( colToByte(aMaxRGB.g) );
            aMaskBuf.push_back( colToByte(aMaxRGB.b) );
        }
    }

    printf( " %d", static_cast<int>(aMaskBuf.size()) );
    writeImageLF( aBuf, str, width, height, colorMap );
    writeBinaryBuffer(aBuf);
    writeBinaryBuffer(aMaskBuf);
}

void PDFOutDev::drawMaskedImage(GfxState*, Object*, Stream* str,
                                int width, int height,
                                GfxImageColorMap* colorMap,
                                poppler_bool /*interpolate*/,
                                Stream* maskStr,
                                int maskWidth, int maskHeight,
                                poppler_bool maskInvert, poppler_bool /*maskInterpolate*/
                               )
{
    if (m_bSkipImages)
        return;
    OutputBuffer aBuf;     initBuf(aBuf);
    printf( "drawImage %d %d 0", width, height );
    writePng_( aBuf, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskInvert );
    writeBinaryBuffer( aBuf );
}

void PDFOutDev::drawSoftMaskedImage(GfxState*, Object*, Stream* str,
                                    int width, int height,
                                    GfxImageColorMap* colorMap,
                                    poppler_bool /*interpolate*/,
                                    Stream* maskStr,
                                    int maskWidth, int maskHeight,
                                    GfxImageColorMap* maskColorMap
                                    , poppler_bool /*maskInterpolate*/
                                   )
{
    if (m_bSkipImages)
        return;
    OutputBuffer aBuf;     initBuf(aBuf);
    printf( "drawImage %d %d 0", width, height );
    writePng_( aBuf, str, width, height, colorMap, maskStr, maskWidth, maskHeight, maskColorMap );
    writeBinaryBuffer( aBuf );
}

void PDFOutDev::setPageNum( int nNumPages )
{
    // TODO(F3): printf might format int locale-dependent!
    printf("setPageNum %d\n", nNumPages);
}

void PDFOutDev::setSkipImages( bool bSkipImages )
{
    m_bSkipImages = bSkipImages;
}

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */