118 lines
4.9 KiB
Plaintext
118 lines
4.9 KiB
Plaintext
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#import "opencv2/highgui/cap_ios.h"
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#include "precomp.hpp"
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UIImage* MatToUIImage(const cv::Mat& image) {
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NSData *data = [NSData dataWithBytes:image.data
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length:image.elemSize()*image.total()];
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CGColorSpaceRef colorSpace;
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if (image.elemSize() == 1) {
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colorSpace = CGColorSpaceCreateDeviceGray();
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} else {
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colorSpace = CGColorSpaceCreateDeviceRGB();
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}
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CGDataProviderRef provider =
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CGDataProviderCreateWithCFData((__bridge CFDataRef)data);
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// Creating CGImage from cv::Mat
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CGImageRef imageRef = CGImageCreate(image.cols,
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image.rows,
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8,
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8 * image.elemSize(),
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image.step.p[0],
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colorSpace,
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kCGImageAlphaNone|
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kCGBitmapByteOrderDefault,
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provider,
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NULL,
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false,
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kCGRenderingIntentDefault
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);
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// Getting UIImage from CGImage
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UIImage *finalImage = [UIImage imageWithCGImage:imageRef];
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CGImageRelease(imageRef);
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CGDataProviderRelease(provider);
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CGColorSpaceRelease(colorSpace);
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return finalImage;
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}
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void UIImageToMat(const UIImage* image,
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cv::Mat& m, bool alphaExist) {
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CGColorSpaceRef colorSpace = CGImageGetColorSpace(image.CGImage);
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CGFloat cols = image.size.width, rows = image.size.height;
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CGContextRef contextRef;
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CGBitmapInfo bitmapInfo = kCGImageAlphaPremultipliedLast;
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if (CGColorSpaceGetModel(colorSpace) == 0)
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{
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m.create(rows, cols, CV_8UC1); // 8 bits per component, 1 channel
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bitmapInfo = kCGImageAlphaNone;
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if (!alphaExist)
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bitmapInfo = kCGImageAlphaNone;
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contextRef = CGBitmapContextCreate(m.data, m.cols, m.rows, 8,
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m.step[0], colorSpace,
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bitmapInfo);
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}
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else
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{
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m.create(rows, cols, CV_8UC4); // 8 bits per component, 4 channels
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if (!alphaExist)
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bitmapInfo = kCGImageAlphaNoneSkipLast |
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kCGBitmapByteOrderDefault;
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contextRef = CGBitmapContextCreate(m.data, m.cols, m.rows, 8,
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m.step[0], colorSpace,
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bitmapInfo);
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}
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CGContextDrawImage(contextRef, CGRectMake(0, 0, cols, rows),
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image.CGImage);
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CGContextRelease(contextRef);
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CGColorSpaceRelease(colorSpace);
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}
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