From f95c1efcf706c2ca2e65e42114a62563ebeda555 Mon Sep 17 00:00:00 2001
From: Callum <callum@callum-ubuntu.(none)>
Date: Sun, 25 Aug 2013 16:14:23 +0800
Subject: [PATCH] function for takingand saving images

---
 camera/.capture.c.swp | Bin 0 -> 12288 bytes
 camera/capture.c      |  59 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 camera/.capture.c.swp
 create mode 100644 camera/capture.c

diff --git a/camera/.capture.c.swp b/camera/.capture.c.swp
new file mode 100644
index 0000000000000000000000000000000000000000..9d8f11f90335299edf666012351d731029494a85
GIT binary patch
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diff --git a/camera/capture.c b/camera/capture.c
new file mode 100644
index 0000000..815cef0
--- /dev/null
+++ b/camera/capture.c
@@ -0,0 +1,59 @@
+#include "cv.h"
+#include "highgui_c.h"
+#include <string.h>
+#include <stdio.h>
+#include <time.h>
+
+int storeFrame( CvCapture* capture)
+{
+	IplImage *frame;
+	time_t rawtime;	// time given in seconds since jan 1st 1970
+	struct tm *timeInfo;// time structure containing current time info
+	int buf = 100;
+	char timestamp[buf];
+	char filepath[buf];	// filepath to save the image to
+
+	//USING char *filepath creates seg fault. need to define bufsize, how big?
+
+	time(&rawtime);
+	timeInfo = localtime(&rawtime);
+	snprintf(timestamp,buf-1,"%d.%d.%d_%d.%d.%d", timeInfo->tm_year + 1900, timeInfo->tm_mon + 1, timeInfo->tm_mday,timeInfo->tm_hour, timeInfo->tm_min, timeInfo->tm_sec);
+	snprintf(filepath,buf-1,"images/image_%s.JPG",timestamp);
+
+	/*int p[3];
+	p[0] = CV_IMWRITE_JPEG_QUALITY;
+  	p[1] = 10;
+  	p[2] = 0;*/
+		
+	frame = cvQueryFrame(capture);
+	if( frame == NULL)
+		return 0;	//error
+	cvSaveImage(filepath,frame,0);
+	
+	return 1;
+}
+
+int main (int argc, char** argv)
+{
+	CvCapture* capture;
+	
+	//Get capture structure for camera, -1 refers to any camera device.
+	//If multiple cameras used, need to use specific camera ID
+	capture = cvCreateCameraCapture(-1);
+	//If cvCreateCameraCapture returns NULL there is an error with the camera
+	if( capture == NULL)
+		return -1;
+
+	int i;
+	for( i=0;i<10;i++)
+	{
+		if( !storeFrame( capture))
+			return -1;
+		sleep(1);	//for now just to make the camera take 1 shot a second, as that's all my camera seems to be able to take/save (camera or function causing this? is 1 second per frame enough?)
+	}
+	
+	//Need to determine how the function is called in respect to system. just leave it running with a while loop? will something turn it on and off? will the function be called once from elsewhere?
+
+	cvReleaseCapture( &capture);
+}
+
-- 
2.20.1