added conversions between UIImage and cv::Mat
This commit is contained in:
Alexander Shishkov
parent
bb9a0b7253
commit
7b06592dea
@ -234,7 +234,7 @@ endif()
|
||||
|
||||
if(IOS)
|
||||
add_definitions(-DHAVE_IOS=1)
|
||||
list(APPEND highgui_srcs src/cap_ios_abstract_camera.mm src/cap_ios_photo_camera.mm src/cap_ios_video_camera.mm)
|
||||
list(APPEND highgui_srcs src/ios_conversions.mm src/cap_ios_abstract_camera.mm src/cap_ios_photo_camera.mm src/cap_ios_video_camera.mm)
|
||||
list(APPEND HIGHGUI_LIBRARIES "-framework Accelerate" "-framework AVFoundation" "-framework CoreGraphics" "-framework CoreImage" "-framework CoreMedia" "-framework CoreVideo" "-framework QuartzCore" "-framework AssetsLibrary")
|
||||
endif()
|
||||
|
||||
|
||||
49
modules/highgui/include/opencv2/highgui/ios.h
Normal file
49
modules/highgui/include/opencv2/highgui/ios.h
Normal file
@ -0,0 +1,49 @@
|
||||
|
||||
/*M///////////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
||||
//
|
||||
// By downloading, copying, installing or using the software you agree to this license.
|
||||
// If you do not agree to this license, do not download, install,
|
||||
// copy or use the software.
|
||||
//
|
||||
//
|
||||
// License Agreement
|
||||
// For Open Source Computer Vision Library
|
||||
//
|
||||
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
|
||||
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
|
||||
// Third party copyrights are property of their respective owners.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification,
|
||||
// are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistribution's of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
//
|
||||
// * Redistribution's in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the following disclaimer in the documentation
|
||||
// and/or other materials provided with the distribution.
|
||||
//
|
||||
// * The name of the copyright holders may not be used to endorse or promote products
|
||||
// derived from this software without specific prior written permission.
|
||||
//
|
||||
// This software is provided by the copyright holders and contributors "as is" and
|
||||
// any express or implied warranties, including, but not limited to, the implied
|
||||
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
||||
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
||||
// indirect, incidental, special, exemplary, or consequential damages
|
||||
// (including, but not limited to, procurement of substitute goods or services;
|
||||
// loss of use, data, or profits; or business interruption) however caused
|
||||
// and on any theory of liability, whether in contract, strict liability,
|
||||
// or tort (including negligence or otherwise) arising in any way out of
|
||||
// the use of this software, even if advised of the possibility of such damage.
|
||||
//
|
||||
//M*/
|
||||
|
||||
#include "opencv2/core/core.hpp"
|
||||
#import "opencv2/highgui/cap_ios.h"
|
||||
|
||||
UIImage* MatToUIImage(const cv::Mat& image);
|
||||
void UIImageToMat(const UIImage* image,
|
||||
cv::Mat& m, bool alphaExist = false);
|
||||
117
modules/highgui/src/ios_conversions.mm
Normal file
117
modules/highgui/src/ios_conversions.mm
Normal file
@ -0,0 +1,117 @@
|
||||
/*M///////////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
||||
//
|
||||
// By downloading, copying, installing or using the software you agree to this license.
|
||||
// If you do not agree to this license, do not download, install,
|
||||
// copy or use the software.
|
||||
//
|
||||
//
|
||||
// License Agreement
|
||||
// For Open Source Computer Vision Library
|
||||
//
|
||||
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
|
||||
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
|
||||
// Third party copyrights are property of their respective owners.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification,
|
||||
// are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistribution's of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
//
|
||||
// * Redistribution's in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the following disclaimer in the documentation
|
||||
// and/or other materials provided with the distribution.
|
||||
//
|
||||
// * The name of the copyright holders may not be used to endorse or promote products
|
||||
// derived from this software without specific prior written permission.
|
||||
//
|
||||
// This software is provided by the copyright holders and contributors "as is" and
|
||||
// any express or implied warranties, including, but not limited to, the implied
|
||||
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
||||
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
||||
// indirect, incidental, special, exemplary, or consequential damages
|
||||
// (including, but not limited to, procurement of substitute goods or services;
|
||||
// loss of use, data, or profits; or business interruption) however caused
|
||||
// and on any theory of liability, whether in contract, strict liability,
|
||||
// or tort (including negligence or otherwise) arising in any way out of
|
||||
// the use of this software, even if advised of the possibility of such damage.
|
||||
//
|
||||
//M*/
|
||||
|
||||
#import "opencv2/highgui/cap_ios.h"
|
||||
#include "precomp.hpp"
|
||||
|
||||
UIImage* MatToUIImage(const cv::Mat& image) {
|
||||
|
||||
NSData *data = [NSData dataWithBytes:image.data
|
||||
length:image.elemSize()*image.total()];
|
||||
|
||||
CGColorSpaceRef colorSpace;
|
||||
|
||||
if (image.elemSize() == 1) {
|
||||
colorSpace = CGColorSpaceCreateDeviceGray();
|
||||
} else {
|
||||
colorSpace = CGColorSpaceCreateDeviceRGB();
|
||||
}
|
||||
|
||||
CGDataProviderRef provider =
|
||||
CGDataProviderCreateWithCFData((__bridge CFDataRef)data);
|
||||
|
||||
// Creating CGImage from cv::Mat
|
||||
CGImageRef imageRef = CGImageCreate(image.cols,
|
||||
image.rows,
|
||||
8,
|
||||
8 * image.elemSize(),
|
||||
image.step.p[0],
|
||||
colorSpace,
|
||||
kCGImageAlphaNone|
|
||||
kCGBitmapByteOrderDefault,
|
||||
provider,
|
||||
NULL,
|
||||
false,
|
||||
kCGRenderingIntentDefault
|
||||
);
|
||||
|
||||
|
||||
// Getting UIImage from CGImage
|
||||
UIImage *finalImage = [UIImage imageWithCGImage:imageRef];
|
||||
CGImageRelease(imageRef);
|
||||
CGDataProviderRelease(provider);
|
||||
CGColorSpaceRelease(colorSpace);
|
||||
|
||||
return finalImage;
|
||||
}
|
||||
|
||||
void UIImageToMat(const UIImage* image,
|
||||
cv::Mat& m, bool alphaExist) {
|
||||
CGColorSpaceRef colorSpace = CGImageGetColorSpace(image.CGImage);
|
||||
CGFloat cols = image.size.width, rows = image.size.height;
|
||||
CGContextRef contextRef;
|
||||
CGBitmapInfo bitmapInfo = kCGImageAlphaPremultipliedLast;
|
||||
if (CGColorSpaceGetModel(colorSpace) == 0)
|
||||
{
|
||||
m.create(rows, cols, CV_8UC1); // 8 bits per component, 1 channel
|
||||
bitmapInfo = kCGImageAlphaNone;
|
||||
if (!alphaExist)
|
||||
bitmapInfo = kCGImageAlphaNone;
|
||||
contextRef = CGBitmapContextCreate(m.data, m.cols, m.rows, 8,
|
||||
m.step[0], colorSpace,
|
||||
bitmapInfo);
|
||||
}
|
||||
else
|
||||
{
|
||||
m.create(rows, cols, CV_8UC4); // 8 bits per component, 4 channels
|
||||
if (!alphaExist)
|
||||
bitmapInfo = kCGImageAlphaNoneSkipLast |
|
||||
kCGBitmapByteOrderDefault;
|
||||
contextRef = CGBitmapContextCreate(m.data, m.cols, m.rows, 8,
|
||||
m.step[0], colorSpace,
|
||||
bitmapInfo);
|
||||
}
|
||||
CGContextDrawImage(contextRef, CGRectMake(0, 0, cols, rows),
|
||||
image.CGImage);
|
||||
CGContextRelease(contextRef);
|
||||
CGColorSpaceRelease(colorSpace);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user