Programowanie w systemie UNIX/OpenCV: Różnice pomiędzy wersjami
Usunięta treść Dodana treść
m →pierwszy program: c++ |
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Linia 36:
gcc opencv.c -o opencv `pkg-config --libs --cflags opencv` -ldl
==pierwszy program w c==
<source lang=c>
/*
gcc i.c `pkg-config --cflags --libs opencv`
http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html
*/
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <cv.h>
#include <highgui.h>
int main(int argc, char *argv[])
{
IplImage* img = 0;
int height,width,step,channels;
uchar *data;
int i,j,k;
if(argc<2){
printf("Usage: main <image-file-name>\n\7");
exit(0);
}
// load an image
img=cvLoadImage(argv[1],1);
if(!img){
printf("Could not load image file: %s\n",argv[1]);
exit(0);
}
// get the image data
height = img->height;
width = img->width;
step = img->widthStep;
channels = img->nChannels;
data = (uchar *)img->imageData;
printf("Processing a %dx%d image with %d channels\n",height,width,channels);
// create a window
cvNamedWindow("mainWin", CV_WINDOW_AUTOSIZE);
cvMoveWindow("mainWin", 100, 100);
// invert the image
for(i=0;i<height;i++) for(j=0;j<width;j++) for(k=0;k<channels;k++)
data[i*step+j*channels+k]=255-data[i*step+j*channels+k];
// show the image
cvShowImage("mainWin", img );
// wait for a key
cvWaitKey(0);
// release the image
cvReleaseImage(&img );
return 0;
}
</source>
==pierwszy program w C++==
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