Merge pull request #14 from stephengaito/update-poppler

Update poppler to 0.83.0

Updated poppler dependency to poppler-0.83.0 as well as some minor build script refactoring (alas we can still not build on homebrew)

README.md

@@ -2,7 +2,7 @@
 
 [![Build Status](https://travis-ci.org/pdf2htmlEX/pdf2htmlEX.svg?branch=master)](https://travis-ci.org/pdf2htmlEX/pdf2htmlEX)
 
-# Differences from upstream pdf2htmlEX:
+# Differences from upstream pdf2htmlEX: 
 
 This is my branch of pdf2htmlEX which aims to allow an open collaboration to help keep the project active. A number of changes and improvements have been incorperated from other forks:
 

buildScripts/buildFontforge

@@ -16,23 +16,18 @@ echo ""
 #
 # see: https://github.com/travis-ci/travis-ci/issues/5301 (unfixed)
 #
-if [ -n "$PYTHON_CFLAGS" ] ; then
-  export PYTHON_CFLAGS="$(python3-config --cflags) $PYTHON_CFLAGS"
-fi
-
-if [ -n "$PYTHON_LIBS" ] ; then
-  export PYTHON_LIBS="$(python3-config --ldflags) $PYTHON_LIBS"
-fi
 
 echo ""
 echo "PYTHON_CFLAGS:"
 echo "-------------------------------"
+export PYTHON_CFLAGS="$(python3-config --cflags) $PYTHON_CFLAGS"
 echo $PYTHON_CFLAGS
 echo "-------------------------------"
 echo ""
 echo ""
 echo "PYTHON_LIBS:"
 echo "-------------------------------"
+export PYTHON_LIBS="$(python3-config --ldflags) $PYTHON_LIBS"
 echo $PYTHON_LIBS
 echo "-------------------------------"
 echo ""
@@ -45,7 +40,7 @@ cd fontforge
 ./bootstrap
 
 ./configure			\
-  --prefix=/usr/local		\
+  --prefix=$PDF2HTMLEX_PREFIX	\
   --enable-python-scripting=3	\
   --disable-dependency-tracking	\
   --disable-silent-rules	\

buildScripts/buildInstallLocally

@@ -1,41 +0,0 @@
-#!/bin/bash
-
-# This bash script builds the complete pdf2htmlEX application LOCALLY
-# (It does not create the AppImage or Docker images)
-
-# Adjust the following two environment variables to suit your needs
-#
-export UNATTENDED="--assume-yes"
-export MAKE_PARALLEL="-j $(nproc)"
-
-# choose one of the following...
-#
-export PDF2HTMLEX_BRANCH=fontforge-update
-# export PDF2HTMLEX_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
-
-################
-# do the build
-
-./buildScripts/versionEnvs       || { echo 'versionEnvs FAILED'       ; exit 1 ; }
-
-./buildScripts/reportEnvs        || { echo 'reportEnvs FAILED'        ; exit 1 ; }
-
-./buildScripts/getBuildTools     || { echo 'getBuildTools FAILED'     ; exit 1 ; }
-
-./buildScripts/getDevLibraries   || { echo 'getDevLibraries FAILED'   ; exit 1 ; }
-
-./buildScripts/getPoppler        || { echo 'getPoppler FAILED'        ; exit 1 ; }
-
-./buildScripts/buildPoppler      || { echo 'buildPoppler FAILED'      ; exit 1 ; }
-
-./buildScripts/installPoppler    || { echo 'installPoppler FAILED'    ; exit 1 ; }
-
-./buildScripts/getFontforge      || { echo 'getFontforge FAILED'      ; exit 1 ; }
-
-./buildScripts/buildFontforge    || { echo 'buildFontforge FAILED'    ; exit 1 ; }
-
-./buildScripts/installFontforge  || { echo 'installFontforge FAILED'  ; exit 1 ; }
-
-./buildScripts/buildPdf2htmlEX   || { echo 'buildPdf2htmlEX FAILED'   ; exit 1 ; }
-
-./buildScripts/installPdf2htmlEX || { echo 'installPdf2htmlEX FAILED' ; exit 1 ; }

buildScripts/buildInstallLocallyApt

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+# This bash script builds the complete pdf2htmlEX application LOCALLY
+# (It does not create the AppImage or Docker images)
+
+# Adjust the following two environment variables to suit your needs
+#
+export UNATTENDED="--assume-yes"
+export MAKE_PARALLEL="-j $(nproc)"
+
+# choose one of the following...
+#
+export PDF2HTMLEX_BRANCH=update-poppler
+# export PDF2HTMLEX_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
+
+# The following environment variable determines where the poppler,
+# poppler-data, fontforge and pdf2htmlEX packages are installed.
+# CHANGE IT TO SUIT YOUR NEEDS:
+#
+export PDF2HTMLEX_PREFIX=/usr/local
+
+################
+# do the build
+
+./buildScripts/versionEnvs        || { echo 'versionEnvs FAILED'        ; exit 1 ; }
+
+./buildScripts/reportEnvs         || { echo 'reportEnvs FAILED'         ; exit 1 ; }
+
+./buildScripts/getBuildToolsApt   || { echo 'getBuildToolsApt FAILED'   ; exit 1 ; }
+
+./buildScripts/getDevLibrariesApt || { echo 'getDevLibrariesApt FAILED' ; exit 1 ; }
+
+./buildScripts/getPoppler         || { echo 'getPoppler FAILED'         ; exit 1 ; }
+
+./buildScripts/buildPoppler       || { echo 'buildPoppler FAILED'       ; exit 1 ; }
+
+./buildScripts/installPoppler     || { echo 'installPoppler FAILED'     ; exit 1 ; }
+
+./buildScripts/getFontforge       || { echo 'getFontforge FAILED'       ; exit 1 ; }
+
+./buildScripts/buildFontforge     || { echo 'buildFontforge FAILED'     ; exit 1 ; }
+
+./buildScripts/installFontforge   || { echo 'installFontforge FAILED'   ; exit 1 ; }
+
+./buildScripts/buildPdf2htmlEX    || { echo 'buildPdf2htmlEX FAILED'    ; exit 1 ; }
+
+./buildScripts/installPdf2htmlEX  || { echo 'installPdf2htmlEX FAILED'  ; exit 1 ; }

buildScripts/buildInstallLocallyBrew

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# This bash script builds the complete pdf2htmlEX application LOCALLY
+# (It does not create the AppImage or Docker images)
+
+# Adjust the following two environment variables to suit your needs
+#
+export UNATTENDED="--assume-yes"
+export MAKE_PARALLEL="-j $(nproc)"
+
+# choose one of the following...
+#
+export PDF2HTMLEX_BRANCH=update-poppler
+# export PDF2HTMLEX_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
+
+export PDF2HTMLEX_PREFIX=toBeDetermined
+
+################
+# do the build
+
+./buildScripts/versionEnvs         || { echo 'versionEnvs FAILED'         ; exit 1 ; }
+
+./buildScripts/reportEnvs          || { echo 'reportEnvs FAILED'          ; exit 1 ; }
+
+./buildScripts/getBuildToolsBrew   || { echo 'getBuildToolsBrew FAILED'   ; exit 1 ; }
+
+./buildScripts/getDevLibrariesBrew || { echo 'getDevLibrariesBrew FAILED' ; exit 1 ; }
+
+./buildScripts/getPoppler          || { echo 'getPoppler FAILED'          ; exit 1 ; }
+
+./buildScripts/buildPoppler        || { echo 'buildPoppler FAILED'        ; exit 1 ; }
+
+./buildScripts/installPoppler      || { echo 'installPoppler FAILED'      ; exit 1 ; }
+
+./buildScripts/getFontforge        || { echo 'getFontforge FAILED'        ; exit 1 ; }
+
+./buildScripts/buildFontforge      || { echo 'buildFontforge FAILED'      ; exit 1 ; }
+
+./buildScripts/installFontforge    || { echo 'installFontforge FAILED'    ; exit 1 ; }
+
+./buildScripts/buildPdf2htmlEX     || { echo 'buildPdf2htmlEX FAILED'     ; exit 1 ; }
+
+./buildScripts/installPdf2htmlEX   || { echo 'installPdf2htmlEX FAILED'   ; exit 1 ; }

buildScripts/buildPdf2htmlEX

@@ -11,5 +11,5 @@ echo ""
 cd pdf2htmlEX
 mkdir build
 cd build
-cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local ..
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PDF2HTMLEX_PREFIX ..
 make $MAKE_PARALLEL

buildScripts/buildPdf2htmlEXClang

@@ -11,5 +11,5 @@ echo ""
 cd pdf2htmlEX
 mkdir build
 cd build
-CC=clang CXX=clang++ cmake -DCMAKE_INSTALL_PREFIX=/usr/local ..
+CC=clang CXX=clang++ cmake -DCMAKE_INSTALL_PREFIX=$PDF2HTMLEX_PREFIX ..
 make $MAKE_PARALLEL

buildScripts/buildPoppler

@@ -11,6 +11,6 @@ echo ""
 cd poppler
 mkdir build
 cd build
-cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local \
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PDF2HTMLEX_PREFIX \
     -DENABLE_LIBOPENJPEG=none ..
 make $MAKE_PARALLEL

buildScripts/createAppImage

@@ -25,7 +25,11 @@ sudo rm -rf install_manifest.txt
 
 make install DESTDIR=../../imageBuild/appDir
 
-cd ../../imageBuild
+cd ../../poppler-data
+
+make install prefix=$PDF2HTMLEX_PREFIX DESTDIR=../imageBuild/appDir
+
+cd ../imageBuild
 
 # force libfontconfig into AppImage (linuxdeploy blacklists libfontconfig)
 #
@@ -37,11 +41,11 @@ wget https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/$LI
 
 chmod a+x $LINUX_DEPLOY_APP_IMAGE
 
-./$LINUX_DEPLOY_APP_IMAGE		\
-  -e appDir/usr/local/bin/pdf2htmlEX	\
-  --create-desktop-file			\
-  -i ../pdf2htmlEX/logo/pdf2htmlEX.svg	\
-  --appdir=appDir			\
+./$LINUX_DEPLOY_APP_IMAGE			\
+  -e appDir/$PDF2HTMLEX_PREFIX/bin/pdf2htmlEX	\
+  --create-desktop-file				\
+  -i ../pdf2htmlEX/logo/pdf2htmlEX.svg		\
+  --appdir=appDir				\
   --output appimage
 
 

buildScripts/createDockerImage

@@ -48,7 +48,11 @@ echo "export DOCKER_NAME=\"$DOCKER_NAME\""         >> buildScripts/reSourceVersi
 
   make install DESTDIR=../../imageBuild/dockerDir
 
-  cd ../../imageBuild/dockerDir
+  cd ../../poppler-data
+
+  make install prefix=$PDF2HTMLEX_PREFIX DESTDIR=../imageBuild/dockerDir
+
+  cd ../imageBuild/dockerDir
 
   copy_deps
 
@@ -58,7 +62,7 @@ echo "export DOCKER_NAME=\"$DOCKER_NAME\""         >> buildScripts/reSourceVersi
 FROM $DOCKER_FROM
 COPY ./ /
 RUN ldconfig
-ENTRYPOINT ["/usr/local/bin/pdf2htmlEX"]
+ENTRYPOINT ["$PDF2HTMLEX_PREFIX/bin/pdf2htmlEX"]
 DOCKERFILE_HERE_DOC
 
   cd ..

buildScripts/getBuildToolsBrew

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# This bash script automates getting the required build tools (brew install)
+
+echo ""
+echo "-------------------------------------------------------------------"
+echo "INSTALLING Build Tools (using Home/Linux Brew)"
+echo "-------------------------------------------------------------------"
+echo ""
+
+brew update
+brew install	\
+  git		\
+  pkg-config	\
+  ruby		\
+  autoconf	\
+  libtool	\
+  cmake		\
+  make		\
+  gcc		\
+  gettext	\
+  openjdk	\
+  jq		\
+  tree

buildScripts/getDevLibrariesApt

@@ -19,7 +19,6 @@ sudo apt-get $UNATTENDED install	\
   libspiro-dev				\
   libpng-dev				\
   libjpeg-dev				\
-  poppler-data				\
   libpango1.0-dev			\
   liblcms2-dev				\
   libxml2-dev				\

buildScripts/getDevLibrariesBrew

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+# This bash script automates getting the development libraries required to 
+# build poppler and fontforge (using Home/Linux Brew)
+
+echo ""
+echo "-------------------------------------------------------------------"
+echo "INSTALLING development libraries (using Home/Linux Brew)"
+echo "-------------------------------------------------------------------"
+echo ""
+
+brew update
+brew install		\
+  cairo			\
+  libspiro		\
+  libpng		\
+  jpeg			\
+  pango			\
+  little-cms2		\
+  libxml2		\
+  libuninameslist	\

buildScripts/getPdf2htmlEXApt

@@ -3,7 +3,7 @@
 # This bash script automates the process of getting the original pdf2htmlEX 
 # source
 
-PDF2HTMLEX_BRANCH=fontforge-update
+PDF2HTMLEX_BRANCH=update-poppler
 
 echo ""
 echo "-------------------------------------------------------------------"

buildScripts/getPdf2htmlEXBrew

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# This bash script automates the process of getting the original pdf2htmlEX 
+# source
+
+PDF2HTMLEX_BRANCH=update-poppler
+
+echo ""
+echo "-------------------------------------------------------------------"
+echo "GETTING pdf2htmlEX sources (using wget)"
+echo "  (PDF2HTMLEX_BRANCH: [$PDF2HTMLEX_BRANCH])"
+echo "-------------------------------------------------------------------"
+echo ""
+
+
+wget https://codeload.github.com/stephengaito/pdf2htmlEX/zip/$PDF2HTMLEX_BRANCH
+
+mv $PDF2HTMLEX_BRANCH $PDF2HTMLEX_BRANCH.zip
+
+brew install unzip
+
+unzip $PDF2HTMLEX_BRANCH.zip
+
+mv pdf2htmlEX-$PDF2HTMLEX_BRANCH pdf2htmlEX

buildScripts/getPoppler

@@ -21,4 +21,12 @@ wget https://poppler.freedesktop.org/$POPPLER_VERSION.tar.xz
 
 tar xvf $POPPLER_VERSION.tar.xz
 
+echo "Getting poppler-data version: 0.4.9"
+
 mv $POPPLER_VERSION poppler
+
+wget https://poppler.freedesktop.org/poppler-data-0.4.9.tar.gz
+
+tar xvf poppler-data-0.4.9.tar.gz
+
+mv poppler-data-0.4.9 poppler-data

buildScripts/installPoppler

@@ -26,17 +26,22 @@ sudo make install
 
 cd ..
 
-sudo mkdir -p               /usr/local/include/poppler
-sudo cp poppler/*.h /usr/local/include/poppler
+sudo mkdir -p               $PDF2HTMLEX_PREFIX/include/poppler
+sudo cp poppler/*.h $PDF2HTMLEX_PREFIX/include/poppler
 
-sudo mkdir -p               /usr/local/include/poppler/goo
-sudo cp goo/*.h     /usr/local/include/poppler/goo
+sudo mkdir -p               $PDF2HTMLEX_PREFIX/include/poppler/goo
+sudo cp goo/*.h     $PDF2HTMLEX_PREFIX/include/poppler/goo
 
-sudo mkdir -p               /usr/local/include/poppler/fofi
-sudo cp fofi/*.h    /usr/local/include/poppler/fofi
+sudo mkdir -p               $PDF2HTMLEX_PREFIX/include/poppler/fofi
+sudo cp fofi/*.h    $PDF2HTMLEX_PREFIX/include/poppler/fofi
 
-sudo mkdir -p               /usr/local/include/poppler/splash
-sudo cp splash/*.h  /usr/local/include/poppler/splash
+sudo mkdir -p               $PDF2HTMLEX_PREFIX/include/poppler/splash
+sudo cp splash/*.h  $PDF2HTMLEX_PREFIX/include/poppler/splash
 
 sudo cp build/poppler/poppler-config.h \
-        /usr/local/include/poppler
+        $PDF2HTMLEX_PREFIX/include/poppler
+
+cd ../poppler-data
+
+sudo make install prefix=$PDF2HTMLEX_PREFIX
+

buildScripts/listFilesByChangeTime

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# see:https://stackoverflow.com/a/7448828
+
+find . -type f -print0 |		\
+  xargs -0 stat --format '%Y :%y %n' |	\
+  sort -nr |				\
+  grep -v build |			\
+  cut -d: -f2-

buildScripts/reportEnvs

@@ -10,9 +10,9 @@ echo "        build dir: [$TRAVIS_BUILD_DIR]"
 echo "        repo slug: [$TRAVIS_REPO_SLUG]"
 
 echo "Build env:"
+echo "           prefix: [$PDF2HTMLEX_PREFIX]"
 echo "       unattended: [$UNATTENDED]"
 echo "    make parallel: [$MAKE_PARALLEL]"
-
 source ./buildScripts/reSourceVersionEnvs
 
 echo "pdf2htmlEX env:"

buildScripts/travisHomeBrewDoItAll

@@ -26,23 +26,23 @@ echo $LDFLAGS
 echo $CPPFLAGS
 which clang
 echo "-------------------------------------------------"
-brew install llvm
-brew install -v python@2
-brew install jq
+#brew install llvm
+#brew install -v python@2
+#brew install jq
 echo "-------------------------------------------------"
 echo $PATH
 echo $LDFLAGS
 echo $CPPFLAGS
 which clang
-export llvmVersion=$(brew info --json=v1 llvm | jq '.[].installed[].version' | tr -d '"')
+#export llvmVersion=$(brew info --json=v1 llvm | jq '.[].installed[].version' | tr -d '"')
 echo $llvmVersion
-export python2Version=$(brew info --json=v1 python@2 | jq '.[].installed[].version' | tr -d '"')
+#export python2Version=$(brew info --json=v1 python@2 | jq '.[].installed[].version' | tr -d '"')
 echo $python2Version
 echo "-------------------------------------------------"
-brew info llvm
-brew switch llvm $llvmVersion
-brew info python@2
-brew switch python@2 $python2Version
+#brew info llvm
+#brew switch llvm $llvmVersion
+#brew info python@2
+#brew switch python@2 $python2Version
 echo "-------------------------------------------------"
 echo $PATH
 echo $LDFLAGS

buildScripts/versionEnvs

@@ -3,8 +3,9 @@
 # This bash script exports environment variables for the latest software
 # versions
 
+export POPPLER_VERSION=poppler-0.83.0
 #export POPPLER_VERSION=poppler-0.82.0
-export POPPLER_VERSION=poppler-0.81.0
+#export POPPLER_VERSION=poppler-0.81.0
 
 export FONTFORGE_VERSION=20190801
 #export FONTFORGE_VERSION=20170731
@@ -31,4 +32,4 @@ echo "export FONTFORGE_VERSION=\"$FONTFORGE_VERSION\"" >> buildScripts/reSourceV
 echo "export PDF2HTMLEX_BRANCH=\"$PDF2HTMLEX_BRANCH\"" >> buildScripts/reSourceVersionEnvs
 echo "export MACHINE_ARCH=\"$MACHINE_ARCH\""           >> buildScripts/reSourceVersionEnvs
 echo "export BUILD_TIME=\"$BUILD_TIME\""               >> buildScripts/reSourceVersionEnvs
-
+echo "export PDF2HTMLEX_PREFIX=\"$PDF2HTMLEX_PREFIX\"" >> buildScripts/reSourceVersionEnvs

pdf2htmlEX/3rdparty/poppler/git/CairoFontEngine.cc

@@ -90,7 +90,7 @@ CairoFont::getFontFace(void) {
 
 unsigned long
 CairoFont::getGlyph(CharCode code,
-		    Unicode *u, int uLen) {
+		    const Unicode *u, int uLen) {
   FT_UInt gid;
 
   if (codeToGID && code < codeToGIDLen) {

pdf2htmlEX/3rdparty/poppler/git/CairoFontEngine.h

@@ -15,7 +15,7 @@
 // under GPL version 2 or later
 //
 // Copyright (C) 2005, 2006 Kristian Høgsberg <krh@redhat.com>
-// Copyright (C) 2005, 2018 Albert Astals Cid <aacid@kde.org>
+// Copyright (C) 2005, 2018, 2019 Albert Astals Cid <aacid@kde.org>
 // Copyright (C) 2006, 2007 Jeff Muizelaar <jeff@infidigm.net>
 // Copyright (C) 2006, 2010 Carlos Garcia Campos <carlosgc@gnome.org>
 // Copyright (C) 2008, 2017 Adrian Johnson <ajohnson@redneon.com>
@@ -54,7 +54,7 @@ public:
 
   virtual bool matches(Ref &other, bool printing);
   cairo_font_face_t *getFontFace(void);
-  unsigned long getGlyph(CharCode code, Unicode *u, int uLen);
+  unsigned long getGlyph(CharCode code, const Unicode *u, int uLen);
   double getSubstitutionCorrection(GfxFont *gfxFont);
 
   bool isSubstitute() { return substitute; }

pdf2htmlEX/3rdparty/poppler/git/CairoOutputDev.cc

@@ -712,7 +712,7 @@ void CairoOutputDev::updateFont(GfxState *state) {
 
 /* Align stroke coordinate i if the point is the start or end of a
  * horizontal or vertical line */
-void CairoOutputDev::alignStrokeCoords(GfxSubpath *subpath, int i, double *x, double *y)
+void CairoOutputDev::alignStrokeCoords(const GfxSubpath *subpath, int i, double *x, double *y)
 {
   double x1, y1, x2, y2;
   bool align = false;
@@ -752,13 +752,12 @@ void CairoOutputDev::alignStrokeCoords(GfxSubpath *subpath, int i, double *x, do
 
 #undef STROKE_COORD_TOLERANCE
 
-void CairoOutputDev::doPath(cairo_t *c, GfxState *state, GfxPath *path) {
-  GfxSubpath *subpath;
+void CairoOutputDev::doPath(cairo_t *c, GfxState *state, const GfxPath *path) {
   int i, j;
   double x, y;
   cairo_new_path (c);
   for (i = 0; i < path->getNumSubpaths(); ++i) {
-    subpath = path->getSubpath(i);
+    const GfxSubpath *subpath = path->getSubpath(i);
     if (subpath->getNumPoints() > 0) {
       if (align_stroke_coords) {
         alignStrokeCoords(subpath, 0, &x, &y);
@@ -1395,7 +1394,7 @@ void CairoOutputDev::beginString(GfxState *state, const GooString *s)
 void CairoOutputDev::drawChar(GfxState *state, double x, double y,
 			      double dx, double dy,
 			      double originX, double originY,
-			      CharCode code, int nBytes, Unicode *u, int uLen)
+			      CharCode code, int nBytes, const Unicode *u, int uLen)
 {
   if (currentFont) {
     glyphs[glyphCount].index = currentFont->getGlyph (code, u, uLen);
@@ -1512,7 +1511,7 @@ finish:
 
 bool CairoOutputDev::beginType3Char(GfxState *state, double x, double y,
 				      double dx, double dy,
-				      CharCode code, Unicode *u, int uLen) {
+				      CharCode code, const Unicode *u, int uLen) {
 
   cairo_save (cairo);
   cairo_matrix_t matrix;
@@ -3068,7 +3067,7 @@ private:
   GfxRGB *lookup;
   int width;
   GfxImageColorMap *colorMap;
-  int *maskColors;
+  const int *maskColors;
   int current_row;
   bool imageError;
 
@@ -3078,7 +3077,7 @@ public:
                                   int scaledWidth, int scaledHeight,
                                   bool printing,
                                   GfxImageColorMap *colorMapA,
-                                  int *maskColorsA) {
+                                  const int *maskColorsA) {
     cairo_surface_t *image = nullptr;
     int i;
 
@@ -3253,7 +3252,7 @@ void CairoOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
 			       int widthA, int heightA,
 			       GfxImageColorMap *colorMap,
 			       bool interpolate,
-			       int *maskColors, bool inlineImg)
+			       const int *maskColors, bool inlineImg)
 {
   cairo_surface_t *image;
   cairo_pattern_t *pattern, *maskPattern;
@@ -3474,7 +3473,7 @@ void CairoImageOutputDev::setSoftMaskFromImageMask(GfxState *state, Object *ref,
 
 void CairoImageOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
 				    int width, int height, GfxImageColorMap *colorMap,
-				    bool interpolate, int *maskColors, bool inlineImg)
+				    bool interpolate, const int *maskColors, bool inlineImg)
 {
   cairo_t *cr;
   cairo_surface_t *surface;

pdf2htmlEX/3rdparty/poppler/git/CairoOutputDev.h

@@ -192,13 +192,13 @@ public:
   void drawChar(GfxState *state, double x, double y,
 		double dx, double dy,
 		double originX, double originY,
-		CharCode code, int nBytes, Unicode *u, int uLen) override;
+		CharCode code, int nBytes, const Unicode *u, int uLen) override;
   void beginActualText(GfxState *state, const GooString *text) override;
   void endActualText(GfxState *state) override;
 
   bool beginType3Char(GfxState *state, double x, double y,
 		       double dx, double dy,
-		       CharCode code, Unicode *u, int uLen) override;
+		       CharCode code, const Unicode *u, int uLen) override;
   void endType3Char(GfxState *state) override;
   void beginTextObject(GfxState *state) override;
   void endTextObject(GfxState *state) override;
@@ -221,7 +221,7 @@ public:
 
   void drawImage(GfxState *state, Object *ref, Stream *str,
 		 int width, int height, GfxImageColorMap *colorMap,
-		 bool interpolate, int *maskColors, bool inlineImg) override;
+		 bool interpolate, const int *maskColors, bool inlineImg) override;
   void drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
 			   int width, int height,
 			   GfxImageColorMap *colorMap,
@@ -274,7 +274,7 @@ public:
   double *getType3GlyphBBox () { return t3_glyph_bbox; }
 
 protected:
-  void doPath(cairo_t *cairo, GfxState *state, GfxPath *path);
+  void doPath(cairo_t *cairo, GfxState *state, const GfxPath *path);
   cairo_surface_t *downscaleSurface(cairo_surface_t *orig_surface);
   void getScaledSize(const cairo_matrix_t *matrix,
                      int orig_width, int orig_height,
@@ -285,7 +285,7 @@ protected:
   void setMimeData(GfxState *state, Stream *str, Object *ref,
 		   GfxImageColorMap *colorMap, cairo_surface_t *image, int height);
   void fillToStrokePathClip(GfxState *state);
-  void alignStrokeCoords(GfxSubpath *subpath, int i, double *x, double *y);
+  void alignStrokeCoords(const GfxSubpath *subpath, int i, double *x, double *y);
 #if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 14, 0)
   bool setMimeDataForJBIG2Globals (Stream *str, cairo_surface_t *image);
 #endif
@@ -469,7 +469,7 @@ public:
 		     bool interpolate, bool inlineImg) override;
   void drawImage(GfxState *state, Object *ref, Stream *str,
 		 int width, int height, GfxImageColorMap *colorMap,
-		 bool interpolate, int *maskColors, bool inlineImg) override;
+		 bool interpolate, const int *maskColors, bool inlineImg) override;
   void drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
 			   int width, int height,
 			   GfxImageColorMap *colorMap,

pdf2htmlEX/3rdparty/poppler/git/CairoRescaleBox.cc

@@ -62,8 +62,8 @@
 
 static void downsample_row_box_filter (
         int start, int width,
-        uint32_t *src, uint32_t *src_limit, uint32_t *dest,
-        int coverage[], int pixel_coverage)
+        uint32_t *src, const uint32_t *src_limit, uint32_t *dest,
+        const int coverage[], int pixel_coverage)
 {
     /* we need an array of the pixel contribution of each destination pixel on the boundaries.
      * we invert the value to get the value on the other size of the box */

pdf2htmlEX/CMakeLists.txt

@@ -82,9 +82,11 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Woverloaded-virtual")
 
 # CYGWIN or GCC 4.5.x bug
 if(CYGWIN)
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
+# was: set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
+# the following change is untested:
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++14")
 else()
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x -pthread")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -pthread")
 endif()
 
 # check the C++11 features we need

pdf2htmlEX/src/BackgroundRenderer/CairoBackgroundRenderer.cc

@@ -46,7 +46,7 @@ CairoBackgroundRenderer::~CairoBackgroundRenderer()
 void CairoBackgroundRenderer::drawChar(GfxState *state, double x, double y,
         double dx, double dy,
         double originX, double originY,
-        CharCode code, int nBytes, Unicode *u, int uLen)
+        CharCode code, int nBytes, const Unicode *u, int uLen)
 {
     // draw characters as image when
     // - in fallback mode

pdf2htmlEX/src/BackgroundRenderer/CairoBackgroundRenderer.h

@@ -42,7 +42,7 @@ public:
   virtual void drawChar(GfxState *state, double x, double y,
       double dx, double dy,
       double originX, double originY,
-      CharCode code, int nBytes, Unicode *u, int uLen);
+      CharCode code, int nBytes, const Unicode *u, int uLen);
 
   //for proof
   void beginTextObject(GfxState *state);

pdf2htmlEX/src/BackgroundRenderer/SplashBackgroundRenderer.cc

@@ -65,7 +65,7 @@ void SplashBackgroundRenderer::startPage(int pageNum, GfxState *state, XRef *xre
 void SplashBackgroundRenderer::drawChar(GfxState *state, double x, double y,
   double dx, double dy,
   double originX, double originY,
-  CharCode code, int nBytes, Unicode *u, int uLen)
+  CharCode code, int nBytes, const Unicode *u, int uLen)
 {
     if (param.proof || html_renderer->is_char_covered(drawn_char_count)) {
         SplashOutputDev::drawChar(state,x,y,dx,dy,originX,originY,code,nBytes,u,uLen);

pdf2htmlEX/src/BackgroundRenderer/SplashBackgroundRenderer.h

@@ -44,7 +44,7 @@ public:
   virtual void drawChar(GfxState *state, double x, double y,
       double dx, double dy,
       double originX, double originY,
-      CharCode code, int nBytes, Unicode *u, int uLen);
+      CharCode code, int nBytes, const Unicode *u, int uLen);
 
   //for proof
   void beginTextObject(GfxState *state);

pdf2htmlEX/src/DrawingTracer.cc

@@ -136,10 +136,10 @@ void DrawingTracer::restore()
 #endif
 }
 
-void DrawingTracer::do_path(GfxState * state, GfxPath * path)
+void DrawingTracer::do_path(GfxState * state, const GfxPath * path)
 {
     //copy from CairoOutputDev::doPath
-    GfxSubpath *subpath;
+    const GfxSubpath *subpath;
     int i, j;
     double x, y;
     cairo_new_path(cairo);
@@ -220,9 +220,9 @@ void DrawingTracer::stroke(GfxState * state)
         break;
     }
 
-    GfxPath * path = state->getPath();
+    const GfxPath * path = state->getPath();
     for (int i = 0; i < path->getNumSubpaths(); ++i) {
-        GfxSubpath * subpath = path->getSubpath(i);
+        const GfxSubpath * subpath = path->getSubpath(i);
         if (subpath->getNumPoints() <= 0)
             continue;
         double x = subpath->getX(0);

pdf2htmlEX/src/DrawingTracer.h

@@ -65,7 +65,7 @@ public:
 private:
     void finish();
     // Following methods operate in user space (just before CTM is applied)
-    void do_path(GfxState * state, GfxPath * path);
+    void do_path(GfxState * state, const GfxPath * path);
     void draw_non_char_bbox(GfxState * state, double * bbox, int what);
     void draw_char_bbox(GfxState * state, double * bbox, int inTransparencyGroup);
     // If cairo is available, parameter state is ignored

pdf2htmlEX/src/HTMLRenderer/HTMLRenderer.h

@@ -156,7 +156,9 @@ struct HTMLRenderer : OutputDev
     
     virtual void drawString(GfxState * state, const GooString * s);
 
-    virtual void drawImage(GfxState * state, Object * ref, Stream * str, int width, int height, GfxImageColorMap * colorMap, bool interpolate, int *maskColors, bool inlineImg);
+    virtual void drawImage(GfxState * state, Object * ref, Stream * str,
+                 int width, int height, GfxImageColorMap * colorMap,
+                 bool interpolate, const int *maskColors, bool inlineImg);
 
     virtual void drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
                        int width, int height,

pdf2htmlEX/src/HTMLRenderer/font.cc

@@ -636,7 +636,8 @@ void HTMLRenderer::embed_font(const string & filepath, GfxFont * font, FontInfo
             if(mapped_code > max_key)
                 max_key = mapped_code;
 
-            Unicode u, *pu=&u;
+            Unicode u;
+            Unicode const *pu=&u;
             if(info.use_tounicode)
             {
                 int n = ctu ?

pdf2htmlEX/src/HTMLRenderer/image.cc

@@ -12,7 +12,9 @@
 
 namespace pdf2htmlEX {
 
-void HTMLRenderer::drawImage(GfxState * state, Object * ref, Stream * str, int width, int height, GfxImageColorMap * colorMap, bool interpolate, int *maskColors, bool inlineImg)
+void HTMLRenderer::drawImage(GfxState * state, Object * ref, Stream * str,
+                             int width, int height, GfxImageColorMap * colorMap,
+                             bool interpolate, const int *maskColors, bool inlineImg)
 {
     tracer.draw_image(state);
 

pdf2htmlEX/src/HTMLRenderer/text.cc

@@ -74,7 +74,7 @@ void HTMLRenderer::drawString(GfxState * state, const GooString * s)
     int uLen;
 
     CharCode code;
-    Unicode *u = nullptr;
+    Unicode const *u = nullptr;
 
     HR_DEBUG(printf("HTMLRenderer::drawString:len=%d\n", len));
 

pdf2htmlEX/src/Preprocessor.cc

@@ -65,7 +65,7 @@ void Preprocessor::process(PDFDoc * doc)
 void Preprocessor::drawChar(GfxState *state, double x, double y,
       double dx, double dy,
       double originX, double originY,
-      CharCode code, int nBytes, Unicode *u, int uLen)
+      CharCode code, int nBytes, const Unicode *u, int uLen)
 {
     GfxFont * font = state->getFont();
     if(!font) return;

pdf2htmlEX/src/Preprocessor.h

@@ -39,7 +39,7 @@ public:
     virtual void drawChar(GfxState *state, double x, double y,
       double dx, double dy,
       double originX, double originY,
-      CharCode code, int nBytes, Unicode *u, int uLen);
+      CharCode code, int nBytes, const Unicode *u, int uLen);
 
     // Start a page.
     // UGLY: These 2 versions are for different versions of poppler

pdf2htmlEX/src/pdf2htmlEX.cc

@@ -407,8 +407,11 @@ int main(int argc, char **argv)
       param.tmp_dir.c_str());
 
     bool finished = false;
-    // read config file
-    globalParams = new GlobalParams(!param.poppler_data_dir.empty() ? param.poppler_data_dir.c_str() : NULL);
+    // read poppler config file
+    globalParams = std::make_unique<GlobalParams>(
+      !param.poppler_data_dir.empty() ? param.poppler_data_dir.c_str() : NULL
+    );
+
     // open PDF file
     PDFDoc * doc = nullptr;
     try
@@ -435,8 +438,11 @@ int main(int argc, char **argv)
             cerr << "Document has copy-protection bit set." << endl;
         }
 
-        param.first_page = min<int>(max<int>(param.first_page, 1), doc->getNumPages());
-        param.last_page = min<int>(max<int>(param.last_page, param.first_page), doc->getNumPages());
+        param.first_page =
+          min<int>(max<int>(param.first_page, 1), doc->getNumPages());
+        param.last_page =
+          min<int>(max<int>(param.last_page, param.first_page),
+                   doc->getNumPages());
 
 
         unique_ptr<HTMLRenderer>(new HTMLRenderer(argv[0], param))->process(doc);
@@ -454,7 +460,7 @@ int main(int argc, char **argv)
 
     // clean up
     delete doc;
-    delete globalParams;
+    globalParams.reset();
 
     // check for memory leaks
     // Poppler Object class (Object.h) no longer has memCheck

pdf2htmlEX/src/util/unicode.cc

@@ -55,7 +55,7 @@ Unicode unicode_from_font (CharCode code, GfxFont * font)
     return map_to_private(code);
 }
 
-Unicode check_unicode(Unicode * u, int len, CharCode code, GfxFont * font)
+Unicode check_unicode(Unicode const * u, int len, CharCode code, GfxFont * font)
 {
     if(len == 0)
         return map_to_private(code);

pdf2htmlEX/src/util/unicode.h

@@ -83,7 +83,7 @@ Unicode unicode_from_font (CharCode code, GfxFont * font);
  * if we got multi-unicode values, it might be expanded ligature, try to restore it
  * if we cannot figure it out at the end, use a private mapping
  */
-Unicode check_unicode(Unicode * u, int len, CharCode code, GfxFont * font);
+Unicode check_unicode(Unicode const * u, int len, CharCode code, GfxFont * font);
 
 
 } // namespace pdf2htmlEX