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Set stricter warning rules for gcc

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This commit is contained in:
Andrey Kamaev
2012-06-07 17:21:29 +00:00
parent 0395f7c63f
commit 49a1ba6038
241 changed files with 9054 additions and 8947 deletions
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39
samples/c/contours.c
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@@ -1,22 +1,23 @@
#include <opencv2/imgproc/imgproc_c.h>
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc_c.h"
#include "opencv2/highgui/highgui_c.h"
#include <stdio.h>
void help()
static void help(void)
{
printf("\nThis program creates an image to demonstrate the use of the \"c\" contour\n"
"functions: cvFindContours() and cvApproxPoly() along with the storage\n"
"functions cvCreateMemStorage() and cvDrawContours().\n"
"It also shows the use of a trackbar to control contour retrieval.\n"
"\n"
printf("\nThis program creates an image to demonstrate the use of the \"c\" contour\n"
"functions: cvFindContours() and cvApproxPoly() along with the storage\n"
"functions cvCreateMemStorage() and cvDrawContours().\n"
"It also shows the use of a trackbar to control contour retrieval.\n"
"\n"
"Usage :\n"
"./contours\n");
"./contours\n");
}
#define w 500
int levels = 3;
CvSeq* contours = 0;
void on_trackbar(int pos)
static void on_trackbar(int pos)
{
IplImage* cnt_img = cvCreateImage( cvSize(w,w), 8, 3 );
CvSeq* _contours = contours;
@@ -36,7 +37,7 @@ static void findCComp( IplImage* img )
cvZero(mask);
cvRectangle( mask, cvPoint(0, 0), cvPoint(mask->width-1, mask->height-1),
cvScalarAll(1), 1, 8, 0 );
for( y = 0; y < img->height; y++ )
for( x = 0; x < img->width; x++ )
{
@@ -49,7 +50,7 @@ static void findCComp( IplImage* img )
}
int main()
int main(int argc, char* argv[])
{
int i, j;
CvMemStorage* storage = cvCreateMemStorage(0);
@@ -100,11 +101,11 @@ int main()
cvFindContours( img32s, storage, &contours, sizeof(CvContour),
CV_RETR_CCOMP, CV_CHAIN_APPROX_SIMPLE, cvPoint(0,0) );
//cvFindContours( img, storage, &contours, sizeof(CvContour),
// CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, cvPoint(0,0) );
{
const char* attrs[] = {"recursive", "1", 0};
cvSave("contours.xml", contours, 0, 0, cvAttrList(attrs, 0));
@@ -119,7 +120,7 @@ int main()
{
CvRNG rng = cvRNG(-1);
CvSeq* tcontours = contours;
cvCvtColor( img, img3, CV_GRAY2BGR );
while( tcontours->h_next )
@@ -142,9 +143,9 @@ int main()
cvDrawContours(img3, tcontours->v_next, color, color, 1, -1, 8, cvPoint(0,0));
}
}
}
cvShowImage( "colored", img3 );
on_trackbar(0);
cvWaitKey(0);
@@ -153,7 +154,7 @@ int main()
cvReleaseImage( &img32f );
cvReleaseImage( &img32s );
cvReleaseImage( &img3 );
return 0;
}