Es++ Class: OpenCVImageConverter
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Source code
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* OpenCVImageConverter.h
*
*****************************************************************************/
#pragma once
#include <es++/Exception.h>
#include <es++/opencv-2.4/OpenCVObject.h>
namespace Es {
class OpenCVImageConverter {
public:
//Convert cv::Mat to Gdk::Pixbuf;
static
Glib::RefPtr<Gdk::Pixbuf> convertToPixbuf(cv::Mat& m)
{
IplImage image = m;
dprintf("fromMatToPixbuf depth=%d channels=%d\n",
image.depth, image.nChannels);
CvMat* mat, stub;
mat = cvGetMat(&image, &stub);
//CV_8UC3 is color 24 bit cvMat image.
CvMat* destImage = cvCreateMat(mat->rows, mat->cols, CV_8UC3);
if (destImage == NULL) {
throw Es::IException("Failed to cvCreateMat");
}
int origin = image.origin;
//Flipping or Swapping of Red and Blue
cvConvertImage(mat, destImage,
(origin != 0 ? CV_CVTIMG_FLIP : 0) + CV_CVTIMG_SWAP_RB );
Glib::RefPtr<Gdk::Pixbuf>
pixbuf = Glib::wrap(gdk_pixbuf_new_from_data(
destImage->data.ptr,
GDK_COLORSPACE_RGB ,
false,
8,
destImage->cols,
destImage->rows,
destImage->step,
NULL,
NULL)
);
//Don't need release destImage.
// cvReleaseMat(&destImage);
return pixbuf;
}
};
}
Last modified: 27 July 2017
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