Initial revision of the print module.

This is a new module. It requires CUPS to send the print job to the
printer queue. The module offers a way to add some margin, select
the paper size, the print queue. It also support a printer/paper ICC
profile.

CMakeLists.txt

@@ -28,6 +28,7 @@ option(USE_OPENJPEG "Enable JPEG 2000 support" ON)
 option(USE_WEBP "Enable WebP export support" ON)
 option(BUILD_CMSTEST "Build a test program to check your system's color management setup" ON)
 option(USE_OPENEXR "Enable OpenEXR support" ON)
+option(BUILD_PRINT "Build the print module" ON)
 if(APPLE)
 	option(USE_MAC_INTEGRATION "Enable OS X integration" ON)
 else(APPLE)
@@ -305,4 +306,3 @@ configure_file(
 
 add_custom_target(uninstall
     COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
-

cmake/modules/FindCUPS.cmake

@@ -0,0 +1,21 @@
+
+FIND_PATH(CUPS_INCLUDE_DIR cups.h
+  PATHS /usr/include
+  /usr/local/include
+  HINTS ENV CUPS_INCLUDE_DIR
+  PATH_SUFFIXES cups
+)
+
+FIND_LIBRARY(CUPS_LIBRARY
+  NAMES ${CUPS_NAMES} cups libcups
+  PATHS /usr/lib /usr/local/lib
+  HINTS ENV CUPS_LIBDIR
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(CUPS DEFAULT_MSG CUPS_LIBRARY CUPS_INCLUDE_DIR)
+
+IF(CUPS_FOUND)
+  SET(CUPS_LIBRARIES ${CUPS_LIBRARY})
+  SET(CUPS_INCLUDE_DIRS ${CUPS_INCLUDE_DIR})
+ENDIF(CUPS_FOUND)

doc/README

@@ -8,6 +8,7 @@ to build it, you need:
 
 optionally, you might need for special features:
 
+ - libcups2 (for the print module)
  - gphoto2 (for camera support, recommended)
  - librsvg2 (for watermark plugin)
  - flickcurl (for Flickr support)

src/CMakeLists.txt

@@ -568,6 +568,30 @@ if(USE_LUA)
   list(APPEND STATIC_LIBS lautoc_static)
 endif(USE_LUA)
 
+if(BUILD_PRINT)
+  find_package(CUPS)
+  if(CUPS_FOUND)
+    include_directories(SYSTEM ${CUPS_INCLUDE_DIRS})
+    add_definitions(${CUPS_DEFINITIONS})
+    FILE(GLOB SOURCE_FILES_PRINT
+      "common/cups_print.h"
+      "common/cups_print.c"
+      "common/printprof.c"
+      "libs/print_settings.c"
+      )
+    set(SOURCES ${SOURCES} ${SOURCE_FILES_PRINT})
+    add_library(cups_static STATIC IMPORTED)
+    list(APPEND LIBS ${CUPS_LIBRARIES})
+    add_definitions("-DHAVE_PRINT")
+    message(STATUS "Print mode: enabled")
+  else(CUPS_FOUND)
+    set(BUILD_PRINT OFF)
+    message(STATUS "Print mode: disabled, please install CUPS dev package")
+  endif(CUPS_FOUND)
+else(BUILD_PRINT)
+  message(STATUS "Print mode: disabled")
+endif(BUILD_PRINT)
+
 #
 # We need C++11
 #