added internal pdf2jpeg utility

diff --git a/lib/jpeg.h b/lib/jpeg.h
index 54b67d0..090d147 100644 (file)
--- a/lib/jpeg.h
+++ b/lib/jpeg.h
@@ -3,7 +3,7 @@
 
 #include <stdio.h>
 
-#ifdef __CPLUSPLUS__
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -14,7 +14,7 @@ int jpeg_save_to_mem(unsigned char*data, int width, int height, int quality, uns
 int jpeg_load(const char*filename, unsigned char**dest, int*width, int*height);
 int jpeg_load_from_mem(unsigned char*_data, int size, unsigned char*dest, int width, int height);
 
-#ifdef __CPLUSPLUS__
+#ifdef __cplusplus
 }
 #endif
 

diff --git a/lib/pdf/Makefile.in b/lib/pdf/Makefile.in
index fd1852b..bebd630 100644 (file)
--- a/lib/pdf/Makefile.in
+++ b/lib/pdf/Makefile.in
@@ -4,7 +4,7 @@ srcdir = @srcdir@
 top_srcdir = @top_srcdir@
 include ../../Makefile.common
 
-all: ../libgfxpdf$(A) pdf2swf$(E)
+all: ../libgfxpdf$(A) pdf2swf$(E) pdf2jpeg$(E)
 
 libgfxpdf: ../libgfxpdf$(A)
 
@@ -183,6 +183,8 @@ pdfinfo$(E): $(XPDFOK) xpdf/pdfinfo.$(O) xpdf/parseargs.$(O) $(xpdf_objects)
 gfx_objects = ../libgfxswf$(A) ../libgfx$(A) ../librfxswf$(A) ../libbase$(A)
 gfx_objects2 = $(gfx_objects) ../devices/lrf.$(O) ../libocr$(A)
 
+pdf2jpeg$(E): $(XPDFOK) pdf2jpeg.c ../libbase$(A) xpdf/parseargs.$(O) $(xpdf_objects) $(splash_objects)
+       $(LL) $(CPPFLAGS) -DXPDFEXE -Ixpdf -I. -g pdf2jpeg.c xpdf/parseargs.$(O) ../libbase$(A) $(xpdf_objects) $(splash_objects) -o pdf2jpeg$(E) $(LIBS)
 pdf2swf$(E): $(XPDFOK) ../../src/pdf2swf.c $(libgfxpdf_objects) $(xpdf_in_source) $(splash_in_source) $(gfx_objects)
        $(LL) $(CPPFLAGS) -g ../../src/pdf2swf.c $(libgfxpdf_objects) $(xpdf_in_source) $(splash_in_source) $(gfx_objects) -o pdf2swf$(E) $(LIBS)
 pdf2pdf$(E): $(XPDFOK) ../../src/pdf2pdf.c $(libgfxpdf_objects) $(xpdf_in_source) $(splash_in_source) $(gfx_objects)

diff --git a/lib/pdf/pdf2jpeg.c b/lib/pdf/pdf2jpeg.c
new file mode 100644 (file)
index 0000000..f354726
--- /dev/null
+++ b/lib/pdf/pdf2jpeg.c
@@ -0,0 +1,165 @@
+/* pdf2jpeg.c
+   Converts a pdf page to a jpeg.
+
+   Copyright (c) 2010 Matthias Kramm
+   Copyright (c) 1998-2009 Derek Noonburg
+
+   Swftools is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   Swftools is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with swftools; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#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"
+#include "../jpeg.h"
+
+static int page = 1;
+static int width = 0;
+static int resolution = 150;
+static int quality = 95;
+static char ownerPassword[33] = "";
+static char userPassword[33] = "";
+static char cfgFileName[256] = "";
+static GBool printVersion = gFalse;
+static GBool printHelp = gFalse;
+static char output[256] = "output.jpg";
+
+static ArgDesc argDesc[] = {
+  {"-p",      argInt,      &page,     0,
+   "first page to print"},
+  {"-r",      argInt,      &resolution,    0,
+   "resolution, in DPI (default is 150)"},
+  {"-q",      argInt,      &quality,    0,
+   "jpeg conversion quality"},
+  {"-w",      argInt,      &width,    0,
+   "zoom to this width"},
+  {"-o",      argString,   &output,    sizeof(output),
+   "resolution, in DPI (default is 150)"},
+  {"-opw",    argString,   ownerPassword,  sizeof(ownerPassword),
+   "owner password (for encrypted files)"},
+  {"-upw",    argString,   userPassword,   sizeof(userPassword),
+   "user password (for encrypted files)"},
+  {"-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;
+  GString *ownerPW, *userPW;
+  SplashColor paperColor;
+  SplashOutputDev *splashOut;
+  SplashBitmap*bitmap = 0;
+  GBool ok;
+  int exitCode;
+  int pg;
+  double r;
+
+  exitCode = 99;
+
+  // parse args
+  ok = parseArgs(argDesc, &argc, argv);
+  
+  if (!ok || argc != 2 || printVersion || printHelp) {
+    fprintf(stderr, "pdf2jpeg version %s\n", xpdfVersion);
+    fprintf(stderr, "%s\n", xpdfCopyright);
+    if (!printVersion) {
+      printUsage("pdf2jpeg", "<PDF-file> -o <jpegfile>", argDesc);
+    }
+    goto err0;
+  }
+  fileName = new GString(argv[1]);
+
+  // read config file
+  globalParams = new GlobalParams(cfgFileName);
+  globalParams->setupBaseFonts(NULL);
+  
+  // 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;
+  }
+
+  paperColor[0] = paperColor[1] = paperColor[2] = 0xff;
+  splashOut = new SplashOutputDev(splashModeRGB8, 1, gFalse, paperColor);
+  
+  splashOut->startDoc(doc->getXRef());
+
+  r = resolution;
+  if(width) {
+    int old_width = doc->getPageCropWidth(page);
+    r = 72.0*width/old_width;
+  }
+
+  doc->displayPage(splashOut, page, r, r, 0, gFalse, gTrue, gFalse);
+  bitmap = splashOut->getBitmap();
+  if(bitmap) {
+    Guchar*rgb = bitmap->getDataPtr();
+    int width = bitmap->getWidth();
+    int height = bitmap->getHeight();
+    jpeg_save(rgb, width, height, quality, output);
+  }
+  delete splashOut;
+ 
+
+  exitCode = 0;
+
+  // clean up
+ err1:
+  delete doc;
+  delete globalParams;
+ err0:
+
+  // check for memory leaks
+  Object::memCheck(stderr);
+  gMemReport(stderr);
+
+  return exitCode;
+}