[*] qt_assimp_viewer can be built with Qt4 or Qt5.

[F] Working in doule precision.
sbertout · May 25, 2018 · 67eff10 · 67eff10
1 parent d72ff71
commit 67eff10
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Showing 6 changed files with 375 additions and 85 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -412,32 +412,7 @@ IF ( ASSIMP_BUILD_ASSIMP_TOOLS )
   ENDIF ( WIN32 AND DirectX_D3DX9_LIBRARY )
 
   ADD_SUBDIRECTORY( tools/assimp_cmd/ )
-
-  # Check dependencies for assimp_qt_viewer.
-  # Why here? Maybe user do not want Qt viewer and have no Qt.
-  # Why assimp_qt_viewer/CMakeLists.txt still contain similar check?
-  # Because viewer can be build independently of Assimp.
-  FIND_PACKAGE(Qt5Widgets QUIET)
-  FIND_PACKAGE(DevIL QUIET)
-  FIND_PACKAGE(OpenGL QUIET)
-  IF ( Qt5Widgets_FOUND AND IL_FOUND AND OPENGL_FOUND)
-    ADD_SUBDIRECTORY( tools/assimp_qt_viewer/ )
-  ELSE()
-    SET ( ASSIMP_QT_VIEWER_DEPENDENCIES "")
-    IF (NOT Qt5_FOUND)
-      SET ( ASSIMP_QT_VIEWER_DEPENDENCIES "${ASSIMP_QT_VIEWER_DEPENDENCIES} Qt5")
-    ENDIF (NOT Qt5_FOUND)
-
-    IF (NOT IL_FOUND)
-      SET ( ASSIMP_QT_VIEWER_DEPENDENCIES "${ASSIMP_QT_VIEWER_DEPENDENCIES} DevIL")
-    ENDIF (NOT IL_FOUND)
-
-    IF (NOT OPENGL_FOUND)
-      SET ( ASSIMP_QT_VIEWER_DEPENDENCIES "${ASSIMP_QT_VIEWER_DEPENDENCIES} OpengGL")
-    ENDIF (NOT OPENGL_FOUND)
-
-    MESSAGE (WARNING "Build of assimp_qt_viewer is disabled. Unsatisfied dendencies: ${ASSIMP_QT_VIEWER_DEPENDENCIES}")
-  ENDIF ( Qt5Widgets_FOUND AND IL_FOUND AND OPENGL_FOUND)
+  ADD_SUBDIRECTORY( tools/assimp_qt_viewer/ )
 ENDIF ( ASSIMP_BUILD_ASSIMP_TOOLS )
 
 IF ( ASSIMP_BUILD_SAMPLES)

diff --git a/tools/assimp_qt_viewer/CMakeLists.txt b/tools/assimp_qt_viewer/CMakeLists.txt
@@ -3,44 +3,103 @@ project(assimp_qt_viewer)
 
 cmake_minimum_required(VERSION 2.6)
 
-find_package(Qt5 COMPONENTS Gui Widgets OpenGL REQUIRED)
-find_package(DevIL REQUIRED)
-find_package(OpenGL REQUIRED)
-
-include_directories(
-	${Qt5Widgets_INCLUDES}
-	${Assimp_SOURCE_DIR}/include
-	${Assimp_SOURCE_DIR}/code
-	${CMAKE_CURRENT_BINARY_DIR}
-	${CMAKE_SOURCE_DIR}
-	${OPENGL_INCLUDE_DIR}
-	${IL_INCLUDE_DIR}
+OPTION( ASSIMP_QT4_VIEWER
+	"Set to ON to enable Qt4 against Qt5 for assimp_qt_viewer"
+	OFF
 )
 
-link_directories(${Assimp_BINARY_DIR})
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -pedantic -Wall")
-
-set(assimp_qt_viewer_SRCS main.cpp loggerview.cpp glview.cpp mainwindow.cpp)
-qt5_wrap_ui(UISrcs mainwindow.ui)
-qt5_wrap_cpp(MOCrcs mainwindow.hpp glview.hpp)
-
-add_executable(${PROJECT_NAME} ${assimp_qt_viewer_SRCS} ${UISrcs} ${MOCrcs})
-target_link_libraries(${PROJECT_NAME} Qt5::Gui Qt5::Widgets Qt5::OpenGL ${IL_LIBRARIES} ${OPENGL_LIBRARIES} assimp)
-
-if(WIN32) # Check if we are on Windows
-	if(MSVC) # Check if we are using the Visual Studio compiler
-		#set_target_properties(TestProject PROPERTIES LINK_FLAGS_RELEASE "/SUBSYSTEM:WINDOWS")
-	elseif(CMAKE_COMPILER_IS_GNUCXX)
-		# SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mwindows") # Not tested
-	else()
-		message(SEND_ERROR "You are using an unsupported Windows compiler! (Not MSVC or GCC)")
-	endif()
-elseif(UNIX)
-	# Nothing special required
-else()
-	message(SEND_ERROR "You are on an unsupported platform! (Not Win32 or Unix)")
-endif()
-
-set_property(TARGET ${PROJECT_NAME} PROPERTY DEBUG_POSTFIX ${CMAKE_DEBUG_POSTFIX})
-
-install(TARGETS assimp_qt_viewer DESTINATION "${ASSIMP_BIN_INSTALL_DIR}")
+FIND_PACKAGE(DevIL QUIET)
+FIND_PACKAGE(OpenGL QUIET)
+
+IF(ASSIMP_QT4_VIEWER)
+	# Qt4 version
+	FIND_PACKAGE(Qt4 QUIET)
+ELSE(ASSIMP_QT4_VIEWER)
+	# Qt5 version
+	FIND_PACKAGE(Qt5 COMPONENTS Gui Widgets OpenGL QUIET)
+ENDIF(ASSIMP_QT4_VIEWER)
+
+SET(VIEWER_BUILD:BOOL FALSE)
+
+IF((Qt4_FOUND OR Qt5Widgets_FOUND) AND IL_FOUND AND OPENGL_FOUND)
+	SET(VIEWER_BUILD TRUE)
+
+ELSE((Qt4_FOUND OR Qt5Widgets_FOUND) AND IL_FOUND AND OPENGL_FOUND)
+	SET ( ASSIMP_QT_VIEWER_DEPENDENCIES "")
+
+	IF(ASSIMP_QT4_VIEWER)
+		IF (NOT Qt4_FOUND)
+			SET ( ASSIMP_QT_VIEWER_DEPENDENCIES "${ASSIMP_QT_VIEWER_DEPENDENCIES} Qt4")
+		ENDIF (NOT Qt4_FOUND)
+
+	ELSE(ASSIMP_QT4_VIEWER)
+		IF (NOT Qt5_FOUND)
+			SET ( ASSIMP_QT_VIEWER_DEPENDENCIES "${ASSIMP_QT_VIEWER_DEPENDENCIES} Qt5")
+		ENDIF (NOT Qt5_FOUND)
+
+	ENDIF(ASSIMP_QT4_VIEWER)
+
+	IF (NOT IL_FOUND)
+		SET ( ASSIMP_QT_VIEWER_DEPENDENCIES "${ASSIMP_QT_VIEWER_DEPENDENCIES} DevIL")
+	ENDIF (NOT IL_FOUND)
+
+	IF (NOT OPENGL_FOUND)
+		SET ( ASSIMP_QT_VIEWER_DEPENDENCIES "${ASSIMP_QT_VIEWER_DEPENDENCIES} OpengGL")
+	ENDIF (NOT OPENGL_FOUND)
+
+	MESSAGE (WARNING "Build of assimp_qt_viewer is disabled. Unsatisfied dendencies: ${ASSIMP_QT_VIEWER_DEPENDENCIES}")
+ENDIF((Qt4_FOUND OR Qt5Widgets_FOUND) AND IL_FOUND AND OPENGL_FOUND)
+
+IF(VIEWER_BUILD)
+	INCLUDE_DIRECTORIES(
+		${Assimp_SOURCE_DIR}/include
+		${Assimp_SOURCE_DIR}/code
+		${CMAKE_CURRENT_BINARY_DIR}
+		${CMAKE_SOURCE_DIR}
+		${OPENGL_INCLUDE_DIR}
+		${IL_INCLUDE_DIR}
+	)
+
+	LINK_DIRECTORIES(${Assimp_BINARY_DIR})
+	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -pedantic -Wall")
+
+	SET(assimp_qt_viewer_SRCS main.cpp loggerview.cpp glview.cpp mainwindow.cpp)
+
+	IF(ASSIMP_QT4_VIEWER)
+		MESSAGE("assimp_qt_viewer use Qt4")
+		ADD_DEFINITIONS( -DASSIMP_QT4_VIEWER )
+		INCLUDE_DIRECTORIES(${QT_INCLUDES})
+		qt4_wrap_ui(UISrcs mainwindow.ui)
+		qt4_wrap_cpp(MOCrcs mainwindow.hpp glview.hpp)
+	ELSE()
+		MESSAGE("assimp_qt_viewer use Qt5")
+		INCLUDE_DIRECTORIES(${Qt5Widgets_INCLUDES})
+		qt5_wrap_ui(UISrcs mainwindow.ui)
+		qt5_wrap_cpp(MOCrcs mainwindow.hpp glview.hpp)
+	ENDIF()
+
+	add_executable(${PROJECT_NAME} ${assimp_qt_viewer_SRCS} ${UISrcs} ${MOCrcs})
+
+	IF(ASSIMP_QT4_VIEWER)
+		target_link_libraries(${PROJECT_NAME} ${QT_LIBRARIES} ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTOPENGL_LIBRARY} ${IL_LIBRARIES} ${OPENGL_LIBRARIES} assimp)
+	ELSE()
+		target_link_libraries(${PROJECT_NAME} Qt5::Gui Qt5::Widgets Qt5::OpenGL ${IL_LIBRARIES} ${OPENGL_LIBRARIES} assimp)
+	ENDIF()
+
+	IF(WIN32) # Check if we are on Windows
+		IF(MSVC) # Check if we are using the Visual Studio compiler
+			#set_target_properties(TestProject PROPERTIES LINK_FLAGS_RELEASE "/SUBSYSTEM:WINDOWS")
+		ELSEIF(CMAKE_COMPILER_IS_GNUCXX)
+			# SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mwindows") # Not tested
+		ELSE()
+			MESSAGE(SEND_ERROR "You are using an unsupported Windows compiler! (Not MSVC or GCC)")
+		ENDIF()
+	ELSEIF(UNIX)
+		# Nothing special required
+	ELSE()
+		MESSAGE(SEND_ERROR "You are on an unsupported platform! (Not Win32 or Unix)")
+	ENDIF()
+
+	SET_PROPERTY(TARGET ${PROJECT_NAME} PROPERTY DEBUG_POSTFIX ${CMAKE_DEBUG_POSTFIX})
+	INSTALL(TARGETS assimp_qt_viewer DESTINATION "${ASSIMP_BIN_INSTALL_DIR}")
+ENDIF(VIEWER_BUILD)