opencv/modules/imgcodecs/src/macosx_conversions.mm
2021-02-05 23:24:56 -05:00

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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#include "apple_conversions.h"
#import <AppKit/AppKit.h>
CV_EXPORTS NSImage* MatToNSImage(const cv::Mat& image);
CV_EXPORTS void NSImageToMat(const NSImage* image, cv::Mat& m, bool alphaExist);
NSImage* MatToNSImage(const cv::Mat& image) {
// Creating CGImage from cv::Mat
CGImageRef imageRef = MatToCGImage(image);
// Getting NSImage from CGImage
NSImage *nsImage = [[NSImage alloc] initWithCGImage:imageRef size:CGSizeMake(CGImageGetWidth(imageRef), CGImageGetHeight(imageRef))];
CGImageRelease(imageRef);
return nsImage;
}
void NSImageToMat(const NSImage* image, cv::Mat& m, bool alphaExist) {
CGImageRef imageRef = [image CGImageForProposedRect:NULL context:NULL hints:NULL];
CGImageToMat(imageRef, m, alphaExist);
}