Web   ·   Wiki   ·   Activities   ·   Blog   ·   Lists   ·   Chat   ·   Meeting   ·   Bugs   ·   Git   ·   Translate   ·   Archive   ·   People   ·   Donate
summaryrefslogtreecommitdiffstats
path: root/pdf/xpdf/pdftoppm.cc
blob: 9be5c6486c7f0f923875155d3ca7cff1adb2a65a (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
//========================================================================
//
// pdftoppm.cc
//
// Copyright 2003 Glyph & Cog, LLC
//
//========================================================================

#include <aconf.h>
#include <stdio.h>
#include "parseargs.h"
#include "gmem.h"
#include "GString.h"
#include "GlobalParams.h"
#include "Object.h"
#include "PDFDoc.h"
#include "SplashBitmap.h"
#include "Splash.h"
#include "SplashOutputDev.h"
#include "config.h"

static int firstPage = 1;
static int lastPage = 0;
static int resolution = 150;
static GBool mono = gFalse;
static GBool gray = gFalse;
static char enableT1libStr[16] = "";
static char enableFreeTypeStr[16] = "";
static char antialiasStr[16] = "";
static char ownerPassword[33] = "";
static char userPassword[33] = "";
static GBool quiet = gFalse;
static char cfgFileName[256] = "";
static GBool printVersion = gFalse;
static GBool printHelp = gFalse;

static ArgDesc argDesc[] = {
  {"-f",      argInt,      &firstPage,     0,
   "first page to print"},
  {"-l",      argInt,      &lastPage,      0,
   "last page to print"},
  {"-r",      argInt,      &resolution,    0,
   "resolution, in DPI (default is 150)"},
  {"-mono",   argFlag,     &mono,          0,
   "generate a monochrome PBM file"},
  {"-gray",   argFlag,     &gray,          0,
   "generate a grayscale PGM file"},
#if HAVE_T1LIB_H
  {"-t1lib",      argString,      enableT1libStr, sizeof(enableT1libStr),
   "enable t1lib font rasterizer: yes, no"},
#endif
#if HAVE_FREETYPE_FREETYPE_H | HAVE_FREETYPE_H
  {"-freetype",   argString,      enableFreeTypeStr, sizeof(enableFreeTypeStr),
   "enable FreeType font rasterizer: yes, no"},
#endif
  {"-aa",         argString,      antialiasStr,   sizeof(antialiasStr),
   "enable font anti-aliasing: yes, no"},
  {"-opw",    argString,   ownerPassword,  sizeof(ownerPassword),
   "owner password (for encrypted files)"},
  {"-upw",    argString,   userPassword,   sizeof(userPassword),
   "user password (for encrypted files)"},
  {"-q",      argFlag,     &quiet,         0,
   "don't print any messages or errors"},
  {"-cfg",        argString,      cfgFileName,    sizeof(cfgFileName),
   "configuration file to use in place of .xpdfrc"},
  {"-v",      argFlag,     &printVersion,  0,
   "print copyright and version info"},
  {"-h",      argFlag,     &printHelp,     0,
   "print usage information"},
  {"-help",   argFlag,     &printHelp,     0,
   "print usage information"},
  {"--help",  argFlag,     &printHelp,     0,
   "print usage information"},
  {"-?",      argFlag,     &printHelp,     0,
   "print usage information"},
  {NULL}
};

int main(int argc, char *argv[]) {
  PDFDoc *doc;
  GString *fileName;
  char *ppmRoot;
  char ppmFile[512];
  GString *ownerPW, *userPW;
  SplashColor paperColor;
  SplashOutputDev *splashOut;
  GBool ok;
  int exitCode;
  int pg;

  exitCode = 99;

  // parse args
  ok = parseArgs(argDesc, &argc, argv);
  if (mono && gray) {
    ok = gFalse;
  }
  if (!ok || argc != 3 || printVersion || printHelp) {
    fprintf(stderr, "pdftoppm version %s\n", xpdfVersion);
    fprintf(stderr, "%s\n", xpdfCopyright);
    if (!printVersion) {
      printUsage("pdftoppm", "<PDF-file> <PPM-root>", argDesc);
    }
    goto err0;
  }
  fileName = new GString(argv[1]);
  ppmRoot = argv[2];

  // read config file
  globalParams = new GlobalParams(cfgFileName);
  globalParams->setupBaseFonts(NULL);
  if (enableT1libStr[0]) {
    if (!globalParams->setEnableT1lib(enableT1libStr)) {
      fprintf(stderr, "Bad '-t1lib' value on command line\n");
    }
  }
  if (enableFreeTypeStr[0]) {
    if (!globalParams->setEnableFreeType(enableFreeTypeStr)) {
      fprintf(stderr, "Bad '-freetype' value on command line\n");
    }
  }
  if (antialiasStr[0]) {
    if (!globalParams->setAntialias(antialiasStr)) {
      fprintf(stderr, "Bad '-aa' value on command line\n");
    }
  }
  if (quiet) {
    globalParams->setErrQuiet(quiet);
  }

  // open PDF file
  if (ownerPassword[0]) {
    ownerPW = new GString(ownerPassword);
  } else {
    ownerPW = NULL;
  }
  if (userPassword[0]) {
    userPW = new GString(userPassword);
  } else {
    userPW = NULL;
  }
  doc = new PDFDoc(fileName, ownerPW, userPW);
  if (userPW) {
    delete userPW;
  }
  if (ownerPW) {
    delete ownerPW;
  }
  if (!doc->isOk()) {
    exitCode = 1;
    goto err1;
  }

  // get page range
  if (firstPage < 1)
    firstPage = 1;
  if (lastPage < 1 || lastPage > doc->getNumPages())
    lastPage = doc->getNumPages();

  // write PPM files
  paperColor.rgb8 = splashMakeRGB8(255, 255, 255);
  splashOut = new SplashOutputDev(mono ? splashModeMono1 :
				    gray ? splashModeMono8 :
				             splashModeRGB8,
				  gFalse, paperColor);
  splashOut->startDoc(doc->getXRef());
  for (pg = firstPage; pg <= lastPage; ++pg) {
    doc->displayPage(splashOut, pg, resolution, resolution, 0, gTrue, gFalse);
    sprintf(ppmFile, "%.*s-%06d.%s",
	    (int)sizeof(ppmFile) - 32, ppmRoot, pg,
	    mono ? "pbm" : gray ? "pgm" : "ppm");
    splashOut->getBitmap()->writePNMFile(ppmFile);
  }
  delete splashOut;

  exitCode = 0;

  // clean up
 err1:
  delete doc;
  delete globalParams;
 err0:

  // check for memory leaks
  Object::memCheck(stderr);
  gMemReport(stderr);

  return exitCode;
}