Split highgui module to videoio and highgui

modules/imgcodecs/src/ios_conversions.mm

@@ -40,7 +40,11 @@
 //
 //M*/
 
-#import "opencv2/highgui/cap_ios.h"
+#import <UIKit/UIKit.h>
+#import <Accelerate/Accelerate.h>
+#import <AVFoundation/AVFoundation.h>
+#import <ImageIO/ImageIO.h>
+#include "opencv2/core.hpp"
 #include "precomp.hpp"
 
 UIImage* MatToUIImage(const cv::Mat& image) {

modules/imgcodecs/src/loadsave.cpp

@@ -454,7 +454,7 @@ bool imencode( const String& ext, InputArray _image,
 }
 
 /****************************************************************************************\
-*                         HighGUI loading & saving function implementation               *
+*                         Imgcodecs loading & saving function implementation            *
 \****************************************************************************************/
 
 CV_IMPL int

modules/imgcodecs/src/precomp.hpp

@@ -81,7 +81,4 @@
 #define __END__  __CV_END__
 #define EXIT __CV_EXIT__
 
-CVAPI(int) cvHaveImageReader(const char* filename);
-CVAPI(int) cvHaveImageWriter(const char* filename);
-
-#endif /* __HIGHGUI_H_ */
+#endif /* __IMGCODECS_H_ */