NAME
hist_slide - performs histogram slide
SYNOPSIS
#include <CVIPtoolkit.h>
#include <CVIPimage.h>
#include <CVIPmatrix.h>
#include <CVIPhisto.h>
Image* hist_slide(Image *input,int slide)
<input> - pointer to an Image
<slide> - amount of slide
PATH
$CVIPHOME/HISTOGRAM/hist_slide.c
DESCRIPTION
This function slides a histogram up if <slide> is positive
or down if <slide> is negative. It requires CVIP_BYTE type
input, and clips at 0 or 255.
TYPES AND CONSTANTS
None
RETURN VALUES
Pointer to the modified image
HISTORY
History information recorded: None
EXAMPLE
#include <CVIPtoolkit.h>
#include <CVIPimage.h>
#include <CVIPconvert.h>
#include <CVIPview.h>
#include "histogram.h"
#define VIEWER "picture"
#define VIDEO_APP "SunVideo &"
void main()
{
Image *cvipImage;
IMAGE_FORMAT format;
char *inputfile,*outputfile;
setDisplay_Image(VIEWER, "Default");
print_CVIP("\n\t\tEnter the Input File Name: ");
inputfile =(char *) getString_CVIP();
format = getFormat_CVIP(inputfile);
cvipImage = read_Image(inputfile, 1);
view_Image(cvipImage, inputfile);
free(inputfile);
/* the following call slides the histogram in the
positive direction by 50 */
cvipImage = hist_slide(cvipImage,50);
print_CVIP("\n\t\tEnter the Output File Name: ");
outputfile = getString_CVIP();
view_Image(cvipImage,outputfile);
write_Image(cvipImage,outputfile,CVIP_NO,CVIP_NO,format,1);
free(outputfile);
}
SEE ALSO
libhisto
AUTHOR
Copyright (C) 1996 SIUE - by Scott E. Umbaugh and Kun Luo.