Use PROJ 6 API for Georeferencing

CMakeLists.txt

@@ -190,7 +190,9 @@ if(NOT TARGET PROJ4::proj)
 	set(PROJ4_FOUND false)
 	find_package(PROJ4 MODULE REQUIRED)
 endif()
-add_definitions(-DACCEPT_USE_OF_DEPRECATED_PROJ_API_H)
+if(NOT PROJ4_VERSION OR PROJ4_VERSION VERSION_LESS 6)
+	add_definitions(-DACCEPT_USE_OF_DEPRECATED_PROJ_API_H)
+endif()
 
 if(Mapper_USE_GDAL)
 	find_package(GDAL REQUIRED)

INSTALL.md

@@ -18,7 +18,7 @@ components. Direct dependencies are:
    https://www.qt.io/download-open-source/
  - Clipper library (aka libpolyclipping) >= 6.1.3.a
    http://www.angusj.com/delphi/clipper.php
- - PROJ.4 Cartographic Projections Library >= 4.8
+ - PROJ Cartographic Projections Library >= 4.8
    https://proj4.org/
  - GDAL Geospatial Data Abstraction Library
    https://www.gdal.org/
@@ -156,4 +156,4 @@ available together with the release binaries.
 Packages for macOS and Windows are built using CPack which comes with CMake.
 Android APKs are build in the same way, although not using a CPack generator.
 These packages bundle all 3rd-party components (Qt binaries and translations,
-PROJ.4 and GDAL binaries and data, etc.). 
+PROJ and GDAL binaries and data, etc.). 

code-check-wrapper.sh

@@ -58,6 +58,7 @@ PATTERN=" \
   file_format_t.cpp \
   file_import_export.cpp \
   georeferencing_dialog.cpp \
+  georeferencing_t.cpp \
   gdal_manager.cpp \
   gdal_template.cpp \
   gps_display.cpp \