Attempt to compile static binaries for qt-box-editor using MXE

qt-box-editor-compile.sh

#!/bin/sh
#
# Compile qt-box-editor for win32

# Set amount of MXE parallel compiling jobs
if [ "$JOBS" = "" ]
then
  JOBS=1
  export JOBS
fi

# Set MXE path
if [ "$MXE" = "" ]
then
  MXE=/opt/mxe
  export MXE
fi

# Check MXE path
if [ ! -d "$MXE" ]
then
  echo MXE not found in $MXE
  echo Please set the variable $MXE to the path of MXE!
  exit 1
fi

# Set up MXE win32 compilation
PATH=$MXE/usr/bin:$PATH
export PATH

CROSS_ARCH=i686-w64-mingw32.static
export CROSS_ARCH

# Go to MXE directory and compile the dependencies
(
  echo Compiling or updating dependencies... && \
  cd "$MXE" && \
  make MXE_TARGETS=$CROSS_ARCH JOBS=$JOBS cc pthreads zlib giflib jpeg libpng openjpeg tiff libwebp icu4c cairo pango qt
)

# Set versions of packages to be compiled
LEPTONICA_VERSION=1.75.3
TESSERACT_VERSION=3.05.01
QT_BOX_EDITOR_VERSION=1.11

# Compile Leptonica
if [ ! -d "leptonica-$LEPTONICA_VERSION" ]
then
  echo Downloading Leptonica...
  wget -q -O - https://github.com/DanBloomberg/leptonica/archive/$LEPTONICA_VERSION.tar.gz | tar zxvf -
fi

(
  echo Compiling Leptonica... && \
  cd leptonica-$LEPTONICA_VERSION && \
  ./autobuild && \
  ./configure --host=$CROSS_ARCH --prefix=$MXE/usr/$CROSS_ARCH --enable-static --disable-shared && \
  make -j$JOBS && \
  make install
)

# Compile Tesseract
if [ ! -d "tesseract-$TESSERACT_VERSION" ]
then
  echo Downloading Tesseract...
  wget -q -O - https://github.com/tesseract-ocr/tesseract/archive/$TESSERACT_VERSION.tar.gz | tar zxvf -
fi

(
  echo Compiling Tesseract... && \
  cd tesseract-$TESSERACT_VERSION && \
  ./autogen.sh && \
  CPPFLAGS="-std=c++98 -O2 -DNDEBUG" ./configure --host=$CROSS_ARCH --prefix=$MXE/usr/$CROSS_ARCH --enable-static --disable-shared --disable-tessdata-prefix && \
  make -j$JOBS && \
  ./configure --host=$CROSS_ARCH --prefix=$MXE/usr/$CROSS_ARCH --enable-static --disable-shared --disable-tessdata-prefix && \
  make -j$JOBS training && \
  make install && \
  make training-install
)

# Compile qt-box-editor
if [ ! -d "qt-box-editor-$QT_BOX_EDITOR_VERSION" ]
then
  echo Downloading qt-box-editor...
  wget -q -O - https://github.com/zdenop/qt-box-editor/archive/v$QT_BOX_EDITOR_VERSION.tar.gz | tar zxvf -
fi

(
  echo Compiling qt-box-editor... && \
  cd qt-box-editor-$QT_BOX_EDITOR_VERSION && \
  patch -p1 < ../qt-box-editor-mxe.patch && \
  $MXE/usr/$CROSS_ARCH/qt/bin/qmake && \
  make -j$JOBS && \
  cp win32/qt-box-editor-$QT_BOX_EDITOR_VERSION.exe ..
)

qt-box-editor-mxe.patch

--- qt-box-editor-1.11/qt-box-editor.pro.orig	2013-07-31 21:51:25.000000000 +0200
+++ qt-box-editor-1.11/qt-box-editor.pro	2018-03-19 01:27:13.923329731 +0100
@@ -58,7 +58,13 @@
     resources/QBE-Oxygen.qrc \
     resources/QBE-Tango.qrc
 
-LIBS += -llept -ltesseract
+LIBS += -ltesseract -llept -lwebp -lopenjp2 -lgif
+
+CONFIG(static) {
+    DEFINES += USE_STATIC
+    CONFIG += static_qt_plugins
+    QMAKE_LFLAGS *= -static -static-libstdc++ -static-libgcc
+}
 
 win32: {
     DESTDIR = ./win32
--- qt-box-editor-1.11/src/TessTools.cpp.orig	2013-07-31 21:51:25.000000000 +0200
+++ qt-box-editor-1.11/src/TessTools.cpp	2018-03-19 01:21:36.311329731 +0100
@@ -21,6 +21,8 @@
 **********************************************************************/
 
 #include <tesseract/strngs.h>
+#include "leptonica/allheaders.h"
+#include "tesseract/renderer.h"
 #include <locale.h>
 #include "TessTools.h"
 #include "Settings.h"
@@ -98,19 +100,27 @@
   }
 
   api->SetVariable("tessedit_create_boxfile", "1");
-  STRING text_out;
+  tesseract::TessResultRenderer *text_renderer = new tesseract::TessBoxTextRenderer(NULL);
   QApplication::setOverrideCursor(Qt::WaitCursor);
 
-  if (!api->ProcessPage(pixs, page, NULL, NULL, 0, &text_out)) {
+  if (!api->ProcessPage(pixs, page, NULL, NULL, 0, text_renderer)) {
     msg("Error during processing.\n");
   }
 
   QApplication::restoreOverrideCursor();
 
+  char *data;
+  QString text_out;
+  if (data = api->GetBoxText(page)) {
+	text_out = QString::fromUtf8(data);
+	delete data;
+  }
+  delete text_renderer;
+  
   pixDestroy(&pixs);
   api->End();
   delete api;
-  return QString::fromUtf8(text_out.string());
+  return text_out;
 }
 
 /*!