Merge pull request #2990 from vbystricky:highgui_split2

apps/traincascade/CMakeLists.txt

-set(OPENCV_TRAINCASCADE_DEPS opencv_core opencv_ml opencv_imgproc opencv_photo opencv_objdetect opencv_imgcodecs opencv_highgui opencv_calib3d opencv_video opencv_features2d)
+set(OPENCV_TRAINCASCADE_DEPS opencv_core opencv_ml opencv_imgproc opencv_photo opencv_objdetect opencv_imgcodecs opencv_videoio opencv_highgui opencv_calib3d opencv_video opencv_features2d)
 ocv_check_dependencies(${OPENCV_TRAINCASCADE_DEPS})
 
 if(NOT OCV_DEPENDENCIES_FOUND)

modules/cudev/test/CMakeLists.txt

-set(test_deps opencv_cudev opencv_core opencv_imgproc opencv_highgui opencv_ts ${OPENCV_MODULE_opencv_ts_DEPS})
+set(test_deps opencv_cudev opencv_core opencv_imgproc opencv_imgcodecs opencv_videoio opencv_highgui opencv_ts ${OPENCV_MODULE_opencv_ts_DEPS})
 
 ocv_check_dependencies(${test_deps})
 

modules/highgui/CMakeLists.txt

 set(the_description "High-level GUI and Media I/O")
-ocv_add_module(highgui opencv_imgproc opencv_imgcodecs OPTIONAL opencv_androidcamera)
+ocv_add_module(highgui opencv_imgproc opencv_imgcodecs opencv_videoio OPTIONAL opencv_androidcamera)
 
 # ----------------------------------------------------------------------------
 #  CMake file for highgui. See root CMakeLists.txt

modules/highgui/include/opencv2/highgui.hpp

@@ -44,6 +44,8 @@
 #define __OPENCV_HIGHGUI_HPP__
 
 #include "opencv2/core.hpp"
+#include "opencv2/imgcodecs.hpp"
+#include "opencv2/videoio.hpp"
 
 
 ///////////////////////// graphical user interface //////////////////////////

modules/highgui/include/opencv2/highgui/highgui_c.h

@@ -43,6 +43,8 @@
 #define __OPENCV_HIGHGUI_H__
 
 #include "opencv2/core/core_c.h"
+#include "opencv2/imgcodecs/imgcodecs_c.h"
+#include "opencv2/videoio/videoio_c.h"
 
 #ifdef __cplusplus
 extern "C" {

samples/android/native-activity/CMakeLists.txt

@@ -3,7 +3,7 @@ set(sample example-native-activity)
 if(BUILD_FAT_JAVA_LIB)
   set(native_deps opencv_java)
 else()
-  set(native_deps opencv_highgui opencv_imgproc)
+  set(native_deps opencv_videoio opencv_imgcodecs opencv_highgui opencv_imgproc)
 endif()
 
 add_android_project(${sample} "${CMAKE_CURRENT_SOURCE_DIR}" LIBRARY_DEPS ${OpenCV_BINARY_DIR} SDK_TARGET 9 ${ANDROID_SDK_TARGET} NATIVE_DEPS ${native_deps})

samples/directx/CMakeLists.txt

-SET(OPENCV_DIRECTX_SAMPLES_REQUIRED_DEPS opencv_core opencv_imgproc opencv_imgcodecs opencv_highgui)
+SET(OPENCV_DIRECTX_SAMPLES_REQUIRED_DEPS opencv_core opencv_imgproc opencv_imgcodecs opencv_videoio opencv_highgui)
 
 ocv_check_dependencies(${OPENCV_DIRECTX_SAMPLES_REQUIRED_DEPS})
 

samples/gpu/CMakeLists.txt

-SET(OPENCV_CUDA_SAMPLES_REQUIRED_DEPS opencv_core opencv_flann opencv_imgproc opencv_imgcodecs opencv_highgui
+SET(OPENCV_CUDA_SAMPLES_REQUIRED_DEPS opencv_core opencv_flann opencv_imgproc opencv_imgcodecs opencv_videoio opencv_highgui
                                      opencv_ml opencv_video opencv_objdetect opencv_features2d
                                      opencv_calib3d opencv_legacy opencv_contrib opencv_cuda
                                      opencv_nonfree opencv_softcascade opencv_superres