Merge branch 'master' into develop

.gitignore

@@ -1 +1,3 @@
-build/
+CMakeLists.txt.user
+build/
+

CMakeLists.txt

@@ -42,6 +42,7 @@ if (NOT DEFAULT_COMPILER_FLAGS_IS_SET)
   if (CMAKE_COMPILER_IS_GNUCC AND CMAKE_COMPILER_IS_GNUCXX)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wpedantic -Werror=return-type -Wno-unused")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wpedantic -Werror=return-type -Wno-unused")
+    add_compile_options("$<$<CONFIG:RELEASE>:-march=native;-mtune=native>")
   endif()
 
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}"
@@ -106,7 +107,7 @@ if (WIN32)
   set(ZLIB_INSTALL_PREFIX "${zlib_dir_assumed}" CACHE PATH "Prefix where zlib is installed")
   set(PNG_INSTALL_PREFIX "${png_dir_assumed}" CACHE PATH "Prefix where png is installed")
   set(TIFF_INSTALL_PREFIX "${tiff_dir_assumed}" CACHE PATH "Prefix where tiff is installed")
-  set(QT_INSTALL_PREFIX "${qt_dir_assumed}" CACHE PATH "Prefix where Qt5 is installed")
+  set(QT_INSTALL_PREFIX "${qt_dir_assumed}" CACHE PATH "Prefix where Qt is installed")
   set(BOOST_ROOT "${boost_dir_assumed}" CACHE PATH "Prefix where Boost is installed")
 
   macro(list_append_existing_path Var Path)
@@ -131,7 +132,7 @@ endif()
 find_package(JPEG REQUIRED)
 
 if (WIN32)
-  add_dynamic_library_locations(JPEG::JPEG)
+  add_dynamic_library_locations(JPEG::JPEG "libjpeg-62.dll")
 endif()
 
 #=================================== ZLIB ===================================#
@@ -147,7 +148,7 @@ endif()
 find_package(PNG REQUIRED)
 
 if (WIN32)
-  add_dynamic_library_locations(PNG::PNG)
+  add_dynamic_library_locations(PNG::PNG "libpng16.dll")
 endif()
 
 #=================================== TIFF ===================================#
@@ -163,6 +164,8 @@ endif()
 
 #================================= Boost ================================#
 
+#set(Boost_NO_WARN_NEW_VERSIONS ON)
+
 if (WIN32)
   if (MINGW)
     if (CMAKE_SIZEOF_VOID_P EQUAL 8)
@@ -172,10 +175,11 @@ if (WIN32)
     endif()
     set(Boost_ARCHITECTURE ${_boost_architecture} CACHE STRING "")
 
+    #set(Boost_DEBUG ON)
     string(REGEX MATCHALL "[0-9]+" _boost_compiler_version ${CMAKE_CXX_COMPILER_VERSION})
     list(GET _boost_compiler_version 0 _boost_compiler_version_major)
     list(GET _boost_compiler_version 1 _boost_compiler_version_minor)
-    set(Boost_COMPILER "mgw${_boost_compiler_version_major}${_boost_compiler_version_minor}" CACHE STRING "")
+    set(Boost_COMPILER "-mgw${_boost_compiler_version_major}" CACHE STRING "")
   endif()
 
   real_path_find_glob(boost_include_dir_hints "${BOOST_ROOT}/include/boost-[_0-9]*/boost")
@@ -202,11 +206,40 @@ endif()
 
 #=================================== Qt ===================================#
 
-set(qt_min_version 5.6)
+set(qt_min_version 5.9)
+
 find_package(
-    Qt5 ${qt_min_version}
+    Qt6
+    COMPONENTS Core Gui Widgets Xml Network LinguistTools OpenGL Svg OpenGLWidgets
+    CONFIG)
+if (Qt6_FOUND)
+    set(QT_BINDIR "${QT6_INSTALL_PREFIX}/bin")
+else()
+  find_package(Qt5 ${qt_min_version}
     COMPONENTS Core Gui Widgets Xml Network LinguistTools OpenGL Svg
     CONFIG REQUIRED)
+    set(QT_BINDIR "${QT5_INSTALL_PREFIX}/bin")
+endif()
+
+if(Qt6_FOUND)
+  set(Qt_Core_lib Qt::Core)
+  set(Qt_Gui_lib Qt::Gui)
+  set(Qt_Network_lib Qt::Network)
+  set(Qt_OpenGL_lib Qt::OpenGL)
+  set(Qt_Svg_lib Qt::Svg)
+  set(Qt_Widgets_lib Qt::Widgets)
+  set(Qt_Xml_lib Qt::Xml)
+  set(Qt_OpenGLWidgets_lib Qt::OpenGLWidgets)
+else()
+  set(Qt_Core_lib Qt5::Core)
+  set(Qt_Gui_lib Qt5::Gui)
+  set(Qt_Network_lib Qt5::Network)
+  set(Qt_OpenGL_lib Qt5::OpenGL)
+  set(Qt_Svg_lib Qt5::Svg)
+  set(Qt_Widgets_lib Qt5::Widgets)
+  set(Qt_Xml_lib Qt5::Xml)
+endif()
+
 
 #=================================== Threads ===================================#
 
@@ -293,7 +326,11 @@ finalize_translations(scantailor ${translation_files})
 update_translations_target(update_translations scantailor)
 
 list(FILTER translation_files EXCLUDE REGEX ".*untranslated.ts")
-qt5_add_translation(qm_files ${translation_files})
+if(Qt6_FOUND)
+  Qt_add_translation(qm_files ${translation_files})
+else()
+  Qt5_add_translation(qm_files ${translation_files})
+endif()
 add_custom_target(compile_translations ALL DEPENDS ${qm_files})
 if (WIN32)
   install(FILES ${qm_files} DESTINATION "${CMAKE_INSTALL_BINDIR}/translations")
@@ -324,10 +361,17 @@ if (WIN32)
   endmacro()
 
   # Install the DLLs of the dependencies.
-  set(dep_libs
-      JPEG::JPEG PNG::PNG ZLIB::ZLIB TIFF::TIFF
-      Qt5::Core Qt5::Gui Qt5::Widgets Qt5::Xml 
-      Qt5::Network Qt5::OpenGL Qt5::Svg)
+  if(Qt6_FOUND)
+    set(dep_libs
+        JPEG::JPEG PNG::PNG ZLIB::ZLIB TIFF::TIFF
+        Qt::Core Qt::Gui Qt::Widgets Qt::Xml
+        Qt::Network Qt::OpenGL Qt::Svg Qt6::OpenGLWidgets)
+  else()
+    set(dep_libs
+        JPEG::JPEG PNG::PNG ZLIB::ZLIB TIFF::TIFF
+        Qt5::Core Qt5::Gui Qt5::Widgets Qt5::Xml
+        Qt5::Network Qt5::OpenGL Qt5::Svg)
+  endif()
 
   foreach (_target ${dep_libs})
     get_target_property(target_type ${_target} TYPE)
@@ -346,34 +390,37 @@ if (WIN32)
     add_runtime_libs_to_install(DEBUG "${debug_loc}")
   endforeach()
 
-  # Install Qt's plugins.
-  macro (install_qt_plugin SubDir Target)
-    if (TARGET ${Target})
-      get_target_property(target_type ${Target} TYPE)
-      if (target_type STREQUAL "MODULE_LIBRARY")
-        get_target_property(release_loc ${Target} LOCATION_RELEASE)
-        get_target_property(debug_loc ${Target} LOCATION_DEBUG)
-        set_if_undefined(debug_loc "${release_loc}")
-
-        copy_to_build_dir("${release_loc}" SUBDIR ${SubDir} CONFIGURATIONS Release MinSizeRel RelWithDebInfo)
-        install(PROGRAMS "${release_loc}" 
-            CONFIGURATIONS Release MinSizeRel RelWithDebInfo 
+  #with Qt6, winqtdeploy is used to deploy plugins; the method below does not work anymore.
+  if (NOT Qt6_FOUND)
+    # Install Qt plugins.
+    macro (install_qt_plugin SubDir Target)
+      if (TARGET ${Target})
+        get_target_property(target_type ${Target} TYPE)
+        if (target_type STREQUAL "MODULE_LIBRARY")
+          get_target_property(release_loc ${Target} LOCATION_RELEASE)
+          get_target_property(debug_loc ${Target} LOCATION_DEBUG)
+          set_if_undefined(debug_loc "${release_loc}")
+
+          copy_to_build_dir("${release_loc}" SUBDIR ${SubDir} CONFIGURATIONS Release MinSizeRel RelWithDebInfo)
+          install(PROGRAMS "${release_loc}"
+            CONFIGURATIONS Release MinSizeRel RelWithDebInfo
             DESTINATION "${CMAKE_INSTALL_BINDIR}/${SubDir}")
-        copy_to_build_dir("${debug_loc}" SUBDIR ${SubDir} CONFIGURATIONS Debug)
-        install(PROGRAMS "${debug_loc}" 
-            CONFIGURATIONS Debug 
+          copy_to_build_dir("${debug_loc}" SUBDIR ${SubDir} CONFIGURATIONS Debug)
+          install(PROGRAMS "${debug_loc}"
+            CONFIGURATIONS Debug
             DESTINATION "${CMAKE_INSTALL_BINDIR}/${SubDir}")
+        endif()
       endif()
-    endif()
-  endmacro()
+    endmacro()
+
+    install_qt_plugin("platforms" Qt::QWindowsIntegrationPlugin)
+    install_qt_plugin("styles" Qt::QWindowsVistaStylePlugin)
+    install_qt_plugin("imageformats" Qt::QJpegPlugin)
+    install_qt_plugin("accessible"  Qt::QAccessiblePlugin)
+    install_qt_plugin("iconengines" Qt::QSvgIconPlugin)
+    install_qt_plugin("imageformats" Qt::QSvgPlugin)
+  endif()
 
-  install_qt_plugin("platforms" Qt5::QWindowsIntegrationPlugin)
-  install_qt_plugin("styles" Qt5::QWindowsVistaStylePlugin)
-  install_qt_plugin("imageformats" Qt5::QJpegPlugin)
-  install_qt_plugin("accessible"  Qt5::QAccessiblePlugin)
-  install_qt_plugin("iconengines" Qt5::QSvgIconPlugin)
-  install_qt_plugin("imageformats" Qt5::QSvgPlugin)
-
   # Install MinGW runtime components.
   if (MINGW)
     get_filename_component(_mingw_path ${CMAKE_CXX_COMPILER} PATH)
@@ -453,4 +500,4 @@ if (NOT TARGET uninstall)
   add_custom_target(
       uninstall
       COMMAND "${CMAKE_COMMAND}" -P "${CMAKE_BINARY_DIR}/cmake_uninstall.cmake")
-endif()
+endif()

README.md

@@ -413,4 +413,4 @@ has't been moved due to dirty realization. Their functionality is fully covered
 Building
 ----------
 
-Go to [this repository](https://github.com/4lex4/scantailor-libs-build) and follow the instructions given there.
+Go to [this repository](https://github.com/vigri/scantailor-libs-build) and follow the instructions given there.

cmake/AddDynamicLibraryLocations.cmake

@@ -14,6 +14,7 @@
 # appropriate <prefix name>_DYNAMIC_LIBRARY_<Config> cache variables should be set
 # or the locations should be added to CMAKE_PROGRAM_PATH or CMAKE_PREFIX_PATH variables.
 #
+# An optional argument can be used to specify a non-standard name for the dynamic library.
 
 function(add_dynamic_library_locations Targets)
   foreach(_target ${Targets})
@@ -38,10 +39,16 @@ function(add_dynamic_library_locations Targets)
       get_filename_component(imp_loc_ext ${imp_loc} EXT)
       if (imp_loc_ext STREQUAL CMAKE_IMPORT_LIBRARY_SUFFIX)
         get_filename_component(lib_name_we ${imp_loc} NAME_WE)
+        set(candidate_names
+          "${lib_name_we}${CMAKE_SHARED_LIBRARY_SUFFIX}")
+        if(DEFINED ARGV1)
+          list(APPEND candidate_names ${ARGV1})
+        endif()
         find_program(
             ${_target}_${dynamic_lib}
-            NAMES ${lib_name_we}${CMAKE_SHARED_LIBRARY_SUFFIX}
-            DOC Path to the dynamic library of the shared target \(skip it if the target is not shared\).)
+            NAMES  ${candidate_names}
+            DOC Path to the dynamic library of the shared target \(skip it if the target is not shared\).
+            NO_CACHE)
         if (${_target}_${dynamic_lib})
           set_target_properties(
               ${_target} PROPERTIES
@@ -50,4 +57,4 @@ function(add_dynamic_library_locations Targets)
       endif()
     endforeach()
   endforeach()
-endfunction()
+endfunction()

cmake/UpdateTranslations.cmake

@@ -72,7 +72,7 @@ macro (update_translations_target _update_target) #, _targets
   set(_commands "")
   foreach (_target ${ARGN})
     list(
-        APPEND _commands COMMAND Qt5::lupdate -locations absolute -no-obsolete
+        APPEND _commands COMMAND Qt6::lupdate -locations absolute -no-obsolete
         -pro "${CMAKE_BINARY_DIR}/update_translations_${_target}.pro")
   endforeach()
 

src/app/CMakeLists.txt

@@ -79,4 +79,15 @@ target_include_directories(
     "$<TARGET_PROPERTY:TIFF::TIFF,INTERFACE_INCLUDE_DIRECTORIES>")
 install(TARGETS scantailor RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
 
-translation_sources(scantailor ${gui_only_sources} ${gui_only_ui_files})
+if (Qt6_FOUND AND WIN32)
+  #manage plugins with windeployqt.
+  add_custom_command(
+    TARGET scantailor
+    POST_BUILD
+    COMMAND ${QT_BINDIR}/windeployqt  $<TARGET_FILE:scantailor>
+    COMMENT "deploy qt files alongside binary (e.g. plugins)"
+  )
+  install(CODE "execute_process(COMMAND \"${QT_BINDIR}/windeployqt\" \"\$\{CMAKE_INSTALL_PREFIX\}\")")
+endif()
+
+translation_sources(scantailor ${gui_only_sources} ${gui_only_ui_files})

src/app/MainWindow.cpp

@@ -15,6 +15,7 @@
 #include <QSortFilterProxyModel>
 #include <QStackedLayout>
 #include <QtWidgets/QInputDialog>
+#include <QActionGroup>
 #include <boost/lambda/lambda.hpp>
 #include <memory>
 

src/app/ProjectFilesDialog.cpp

@@ -9,6 +9,7 @@
 #include <QMessageBox>
 #include <QSettings>
 #include <QSortFilterProxyModel>
+#include <QVector>
 #include <deque>
 
 #include "ImageMetadataLoader.h"

src/app/RelinkablePathVisualization.cpp

@@ -7,9 +7,10 @@
 #include <QPaintEvent>
 #include <QPushButton>
 #include <QStyle>
+#include <QFile>
 #include <QStyleOption>
 #include <QStylePainter>
-#include <boost/bind.hpp>
+#include <boost/bind/bind.hpp>
 
 #include "ColorSchemeManager.h"
 #include "RelinkablePath.h"
@@ -38,7 +39,6 @@ class RelinkablePathVisualization::ComponentButton : public QPushButton {
 RelinkablePathVisualization::RelinkablePathVisualization(QWidget* parent)
     : QWidget(parent), m_layout(new QHBoxLayout(this)) {
   m_layout->setSpacing(0);
-  m_layout->setMargin(0);
 }
 
 void RelinkablePathVisualization::clear() {
@@ -53,8 +53,12 @@ void RelinkablePathVisualization::clear() {
 
 void RelinkablePathVisualization::setPath(const RelinkablePath& path, bool clickable) {
   clear();
-
-  QStringList components(path.normalizedPath().split(QChar('/'), QString::SkipEmptyParts));
+#if QT_VERSION_MAJOR == 5 and QT_VERSION_MINOR < 14
+  auto opt = QString::SkipEmptyParts;
+#else
+  auto opt = Qt::SkipEmptyParts;
+#endif
+  QStringList components(path.normalizedPath().split(QChar('/'), opt));
   if (components.empty()) {
     return;
   }

src/app/main.cpp

@@ -16,9 +16,10 @@
 #include "MainWindow.h"
 
 int main(int argc, char* argv[]) {
+#if QT_VERSION_MAJOR == 5
   QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
   QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
-
+#endif
   Application app(argc, argv);
 
 #ifdef _WIN32

src/core/Application.cpp

@@ -58,7 +58,12 @@ std::list<QString> Application::getLanguagesList() const {
 }
 
 void Application::initTranslations() {
-  const QStringList translationDirs(QString::fromUtf8(TRANSLATION_DIRS).split(QChar(':'), QString::SkipEmptyParts));
+#if QT_VERSION_MAJOR == 5 and QT_VERSION_MINOR < 14
+  auto opt = QString::SkipEmptyParts;
+#else
+  auto opt = Qt::SkipEmptyParts;
+#endif
+  const QStringList translationDirs(QString::fromUtf8(TRANSLATION_DIRS).split(QChar(':'), opt));
 
   const QStringList languageFileFilter("scantailor_*.qm");
   for (const QString& path : translationDirs) {

src/core/BackgroundTask.h

@@ -26,9 +26,21 @@ class BackgroundTask : public AbstractCommand<FilterResultPtr>, public TaskStatu
 
   Type type() const { return m_type; }
 
-  void cancel() override { m_cancelFlag.store(1); }
-
-  bool isCancelled() const override { return m_cancelFlag.load() != 0; }
+  void cancel() override {
+#if QT_VERSION_MAJOR == 5 and QT_VERSION_MINOR < 14
+    m_cancelFlag.store(1);
+#else
+    m_cancelFlag.storeRelaxed(1);
+#endif
+  }
+
+  bool isCancelled() const override {
+#if QT_VERSION_MAJOR == 5 and QT_VERSION_MINOR < 14
+    return m_cancelFlag.load() != 0;
+#else
+    return m_cancelFlag.loadRelaxed() != 0;
+#endif
+  }
 
   /**
    * \brief If cancelled, throws CancelledException.

src/core/BlackOnWhiteEstimator.cpp

@@ -3,6 +3,8 @@
 
 #include "BlackOnWhiteEstimator.h"
 
+#include <stdexcept>
+
 #include <imageproc/Binarize.h>
 #include <imageproc/Grayscale.h>
 #include <imageproc/Morphology.h>