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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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v_10_10
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1010092a
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1992-08-10
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/***********************************************
*
* file d:\cips\mainfilt.c
*
* Functions: This file contains
* main
*
* Purpose:
* This file contains the main calling
* routine in an image filtering program.
*
* External Calls:
* gin.c - get_image_name
* numcvrt.c - get_integer
* int_convert
* tiff.c - read_tiff_header
* filter.c - filter_image
* median_filter
*
* Modifications:
* 15 February 1992 - created
*
*************************************************/
#include "d:\cips\cips.h"
short the_image[ROWS][COLS];
short out_image[ROWS][COLS];
main(argc, argv)
int argc;
char *argv[];
{
char name[80], name2[80], low_high[80];
int count, i, ie, il, j, le, length, ll, lw,
type, width;
short filter[3][3];
struct tiff_header_struct image_header;
_setvideomode(_TEXTC80); /* MSC 6.0 statements */
_setbkcolor(1);
_settextcolor(7);
_clearscreen(_GCLEARSCREEN);
/***********************************************
*
* Interpret the command line parameters.
*
************************************************/
if(argc < 5){
printf(
"\n\nNot enough parameters:"
"\n"
"\n usage: mainfilt in-file out-file type low-or-high-pass"
"\n"
"\n recall type: 6, 9, 10, 16 for low pass"
"\n recall type: 1, 2, 3 for high pass"
"\n recall type: is the size of the nxn area for median
filtering"
"\n low-or-high-pass l=low pass h=high pass "
"\n m=median filter "
"\n");
exit(0);
}
strcpy(name, argv[1]);
strcpy(name2, argv[2]);
int_convert(argv[3], &type);
strcpy(low_high, argv[4]);
il = 1;
ie = 1;
ll = ROWS+1;
le = COLS+1;
/***********************************************
*
* Read the input image header and setup
* the looping counters.
*
* If high or low pass filtering, setup
* the filter mask array.
*
************************************************/
read_tiff_header(name, &image_header);
length = (90 + image_header.image_length)/ROWS;
width = (90 + image_header.image_width)/COLS;
count = 1;
lw = length*width;
printf("\nlength=%d width=%d", length, width);
if(low_high[0] == 'l' ||
low_high[0] == 'L' ||
low_high[0] == 'h' ||
low_high[0] == 'H')
setup_filters(type, low_high, filter);
/***********************************************
*
* Loop over the input image and filter it
* using either the high or low pass filters
* using a mask OR using the median filter.
*
************************************************/
for(i=0; i<length; i++){
for(j=0; j<width; j++){
printf("\nrunning %d of %d", count, lw);
count++;
if(low_high[0] == 'l' ||
low_high[0] == 'L' ||
low_high[0] == 'h' ||
low_high[0] == 'H')
filter_image(name, name2, the_image, out_image,
il+i*ROWS, ie+j*COLS, ll+i*ROWS,
le+j*COLS, filter, type);
if(low_high[0] == 'm' ||
low_high[0] == 'M')
median_filter(name, name2, the_image,
out_image,
il+i*ROWS, ie+j*COLS, ll+i*ROWS,
le+j*COLS, type);
} /* ends loop over j */
} /* ends loop over i */
} /* ends main */