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// ConsoleApplication2.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <opencv2\objdetect\objdetect.hpp>
#include <opencv2\highgui\highgui.hpp>
#include <opencv2\imgproc\imgproc.hpp>
#include <opencv2\opencv.hpp>
#include <iostream>
#include <stdio.h>
using namespace std;
using namespace cv;
IplImage* transposeImage(IplImage* image) {
IplImage *rotated = cvCreateImage(cvSize(image->height, image->width),
IPL_DEPTH_8U, image->nChannels);
CvPoint2D32f center;
float center_val = (float)((image->width) - 1) / 2;
center.x = center_val;
center.y = center_val;
CvMat *mapMatrix = cvCreateMat(2, 3, CV_32FC1);
cv2DRotationMatrix(center, 90, 1.0, mapMatrix);
cvWarpAffine(image, rotated, mapMatrix,
CV_INTER_LINEAR + CV_WARP_FILL_OUTLIERS,
cvScalarAll(0));
cvReleaseMat(&mapMatrix);
return rotated;
}
IplImage *rotate_image(IplImage *image, int _90_degrees_steps_anti_clockwise)
{
IplImage *rotated;
if (_90_degrees_steps_anti_clockwise != 2)
rotated = cvCreateImage(cvSize(image->height, image->width), image->depth, image->nChannels);
else
rotated = cvCloneImage(image);
if (_90_degrees_steps_anti_clockwise != 2)
cvTranspose(image, rotated);
if (_90_degrees_steps_anti_clockwise == 3)
cvFlip(rotated, NULL, 1);
else if (_90_degrees_steps_anti_clockwise == 1)
cvFlip(rotated, NULL, 0);
else if (_90_degrees_steps_anti_clockwise == 2)
cvFlip(rotated, NULL, -1);
return rotated;
}
int _tmain(int argc, const char** argv)
{
CvCapture* capture = 0;
IplImage *frame;
capture = cvCaptureFromCAM(0); //0=default, -1=any camera, 1..99=your camera
if (!capture) cout << "No camera detected" << endl;
cvNamedWindow("Webcam", 1);
CvVideoWriter *writer;
char AviFileName[] = "Output.avi";
int AviForamt = -1;
int FPS = 25;
//CvSize AviSize = cvSize(640, 480);
//int AviColor = 1;
//writer = cvCreateVideoWriter(AviFileName, AviForamt, FPS, AviSize, AviColor);
int i = 0;
while (true)
{
cout << "In capture ..." << endl;
frame = cvQueryFrame(capture);
//cvWriteFrame(writer, frame);
cvShowImage("Webcam", frame);
printf("%d\n", i);
char inKey = 0;
inKey = cvWaitKey(20);
if (inKey == 'q' || inKey == 'Q')
break;
switch(inKey)
{
//transpose 90 degree
case 't':
case 'T':
frame = rotate_image(frame, 1);
cvNamedWindow("transpose90", 1);
cvShowImage("transpose90", frame);
break;
case 'f':
case 'F':
frame = rotate_image(frame, 2);
cvNamedWindow("transpose180", 1);
cvShowImage("transpose180", frame);
break;
case 'r':
case 'R':
frame = rotate_image(frame, 3);
cvNamedWindow("transpose270", 1);
cvShowImage("transpose270", frame);
break;
default:
break;
}
i++;
}
cvReleaseCapture(&capture);
//cvReleaseVideoWriter(&writer);
cvDestroyWindow("Webcam");
cvDestroyWindow("transpose90");
cvDestroyWindow("transpose180");
cvDestroyWindow("transpose270");
}
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