/* HISTOGRAM GENERATOR FOR 16BIT 1 CHANNEL GRAYSCALE PNG IMAGE */

#include "cv.h"
#include "highgui.h"
#include <stdio.h>


void main(void)
{
    /* creates a window */
    cvNamedWindow( "WINDOW", CV_WINDOW_AUTOSIZE );

    /* load the image */
    IplImage *frame = cvLoadImage( "patternfile16bit.png", CV_LOAD_IMAGE_ANYDEPTH );

    /* print some properties */
    printf( "# channels:  %d\n",        frame->nChannels );
    printf( "Pixel depth: %d bits\n",   frame->depth );
    printf( "width:       %d pixels\n", frame->width );
    printf( "height:      %d pixels\n", frame->height );
    printf( "Image size:  %d bytes\n",  frame->imageSize );
    printf( "Width step:  %d bytes\n",  frame->widthStep );

    /* infinite loop */
    while(1)
    {
        /* new image derived from the old one */
        IplImage *frame2 = cvCreateImage(cvGetSize(frame),IPL_DEPTH_16U,1);

        /* show the old image */
        cvShowImage( "WINDOW", frame );
        /* show the derived one */
        cvShowImage( "WINDOW", frame2 );
        cvReleaseImage(&frame);
        cvReleaseImage(&frame2);

        /*exit if ESC pressed */
        if ( (cvWaitKey(10) & 255) == 27 ) break;
    }
    return(0);
 }

///// CONSOLE OUTPUT //////////////////////////////////////////////////////////////

# channels:  1
Pixel depth: 16 bits
width:       512 pixels
height:      512 pixels
Image size:  524288 bytes
Width step:  1024 bytes
OpenCV Error: Bad argument (Array should be CvMat or IplImage) in unknown functi
on, file ..\..\..\..\ocv\opencv\src\cxcore\cxarray.cpp, line 1233

Process returned -529697949 (0xE06D7363)   execution time : 2.422 s
Press any key to continue.
////// END OF CONSOLE OUTPUT ///////////////////////////////////////////////////////