FloatImg/funcs/t.c

/*
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include  <pam.h>

#include "../floatimg.h"

int		verbosity;

float		global_fvalue;

/* --------------------------------------------------------------------- */
int essai_filtrage_3x3(char *infile)
{
FloatImg	src, dst;
int		foo, idx;
char		buffer[100];

FimgFilter3x3	filter_a =  {

	{	1.0,	1.0,	1.0,
		1.0,   -3.0,	1.0,
		1.0,	1.0,	1.0 },
		8.0, 0.0

	};

FimgFilter3x3	filter_b =  {

	{	-2.0,	-1.0,	0.0,
		-1.0,    3.0,	1.0,
		0.0,	 1.0,	2.0 },
		8.0, 0.0

	};

if (NULL != infile) {
	fprintf(stderr, "%s: loading %s\n", __func__, infile);
	foo = fimg_create_from_dump(infile, &src);
	if (foo) {
		fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
		return foo;
		}
	}
else	{
	fprintf(stderr, "%s is creating the picz\n", __func__);
	fimg_create(&src, 640, 480, FIMG_TYPE_RGB);
	fimg_test_pattern(&src, 0, 255.0);
	fimg_save_as_png(&src, "test.png", 0);
	}

foo = fimg_clone(&src, &dst, 0);

fimg_filter_3x3(&src, &dst, &filter_a);
foo = fimg_clamp_negativ(&dst);
if (foo) {
	fprintf(stderr, "clamped %d negative pixels\n", foo);
	}
foo = fimg_save_as_png(&dst, "f3x3a.png", 0);
// foo = fimg_save_as_pnm(&dst, "f3x3a.pnm", 0);

fimg_filter_3x3(&src, &dst, &filter_b);
foo = fimg_clamp_negativ(&dst);
if (foo) {
	fprintf(stderr, "clamped %d negative pixels\n", foo);
	}
foo = fimg_save_as_png(&dst, "f3x3b.png", 0);
// foo = fimg_save_as_pnm(&dst, "f3x3a.pnm", 0);

fimg_destroy(&src);	fimg_destroy(&dst);

return 0;
}
/* --------------------------------------------------------------------- */
int essai_filtrage_2x2(char *infile)
{
FloatImg	fimg;
int		foo, idx;
char		buffer[100];

if (NULL != infile) {
	fprintf(stderr, "%s: loading %s\n", __func__, infile);
	foo = fimg_create_from_dump(infile, &fimg);
	if (foo) {
		fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
		return foo;
		}
	}
else	{
	fprintf(stderr, "%s is creating the picz\n", __func__);
	fimg_create(&fimg, 512, 512, FIMG_TYPE_RGB);
	fimg_draw_something(&fimg);
	}

foo = fimg_save_as_pnm(&fimg, "source.pnm", 0);

/*
 *	running multiple filters so you can
 *	watch the up-left shift :)
 */
for (idx=0; idx<5; idx++) {
	foo = fimg_lissage_2x2(&fimg);
	sprintf(buffer, "filter%03d.png", idx);
	foo = fimg_save_as_png(&fimg, buffer, 0);
	if (verbosity) {
		fprintf(stderr, "%s %d\n", buffer, foo);
		}
	}

fimg_destroy(&fimg);

return 0;
}
/* --------------------------------------------------------------------- */
int essai_geometrie(char *infile)
{
FloatImg	fimg, result;
int		foo;

if (NULL != infile) {
	fprintf(stderr, "loading %s\n", infile);
	foo = fimg_create_from_dump(infile, &fimg);
	if (foo) {
		fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
		return foo;
		}
	}
else	{
	fimg_create(&fimg, 512, 512, FIMG_TYPE_RGB);
	fimg_draw_something(&fimg);
	}

foo = fimg_save_as_pnm(&fimg, "source.pnm", 0);

memset(&result, 0, sizeof(FloatImg));

foo = fimg_halfsize_0(&fimg, &result, 0);
fprintf(stderr, "retour halfsize -> %d\n", foo);
if (foo) {
	return -2;
	}

if (verbosity) fimg_describe(&result, "result after halfsize");

foo = fimg_save_as_pnm(&result, "something.pnm", 0);

return 0;
}
/* --------------------------------------------------------------------- */
int essai_sfx0(char *infile)
{
FloatImg	fimg;
int		foo;

if (NULL != infile) {
	fprintf(stderr, "loading %s\n", infile);
	foo = fimg_create_from_dump(infile, &fimg);
	if (foo) {
		fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
		return foo;
		}
	}
else	{
	fimg_create(&fimg, 512, 512, FIMG_TYPE_RGB);
	fimg_draw_something(&fimg);
	}

foo = fimg_save_as_pnm(&fimg, "something.pnm", 0);
if (foo) {
	fprintf(stderr, "%s: err save %d\n", __func__, foo);
	return -6;
	}
foo = fimg_killcolors_a(&fimg, 0.0);
foo = fimg_save_as_pnm(&fimg, "colorskilled-a.pnm", 0);
if (foo) {
	fprintf(stderr, "%s: err save %d\n", __func__, foo);
	return -6;
	}

foo = fimg_killcolors_b(&fimg, 0.0);
foo = fimg_save_as_pnm(&fimg, "colorskilled-b.pnm", 0);
if (foo) {
	fprintf(stderr, "%s: err save %d\n", __func__, foo);
	return -6;
	}


return 0;
}
/* --------------------------------------------------------------------- */
int essai_parse_double(void)
{
int		foo;
double		dval;
char		*str;

str = "12.34";	dval = 0.0;
foo = parse_double(str, &dval);
printf("%-10s -> %3d   %g\n", str, foo, dval);

str = "12e4";	dval = 0.0;
foo = parse_double(str, &dval);
printf("%-10s -> %3d   %g\n", str, foo, dval);

str = "5s";	dval = 0.0;
foo = parse_double(str, &dval);
printf("%-10s -> %3d   %g\n", str, foo, dval);

str = "PORN";	dval = 0.0;
foo = parse_double(str, &dval);
printf("%-10s -> %3d   %g\n", str, foo, dval);

return 0;
}
/* --------------------------------------------------------------------- */
int essai_detect_type(void)
{
int		foo;
char		*fname;

foo = format_from_extension(fname="foo.fimg");
printf("%-10s %d\n\n", fname, foo);

foo = format_from_extension(fname="foo.pnm");
printf("%-10s %d\n\n", fname, foo);

foo = format_from_extension(fname="foo.png");
printf("%-10s %d\n\n", fname, foo);

foo = format_from_extension(fname="foo.xyzzy");
printf("%-10s %d\n\n", fname, foo);

return 0;
}
/* --------------------------------------------------------------------- */
int essai_rampes(void)
{
FloatImg	fimg;
int		foo;

fimg_create(&fimg, 640, 480, FIMG_TYPE_RGB);

foo = fimg_hdeg_a(&fimg, (double)3.141592654);
fprintf(stderr, "make h deg -> %d\n", foo);
foo = fimg_save_as_pnm(&fimg, "hdeg.pnm", 0);
fprintf(stderr, "%s: save as pnm -> %d\n", __func__, foo);

foo = fimg_vdeg_a(&fimg, (double)3.141592654);
fprintf(stderr, "make h deg -> %d\n", foo);
foo = fimg_save_as_pnm(&fimg, "vdeg.pnm", 0);
fprintf(stderr, "%s: save as pnm -> %d\n", __func__, foo);

return 0;
}
/* --------------------------------------------------------------------- */
int essai_ecrire_png(char *fname)
{
FloatImg	fimg;
int		foo;

fimg_create(&fimg, 512, 512, FIMG_TYPE_RGB);

fimg_draw_something(&fimg);

/* XXX
for (foo=0; foo<512; foo++) {
	fimg_plot_rgb(&fimg, foo, foo, 17000.0, 8000.0, 11111.1);
	}
*/

foo = fimg_save_as_pnm(&fimg, "quux.pnm", 0);
fprintf(stderr, "save as pnm -> %d\n", foo);

foo = fimg_save_as_png(&fimg, fname, 0);
fprintf(stderr, "save as png -> %d\n", foo);

return 0;
}
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
int		foo, opt;
char		*filename;

puts("++++++++++++++++++++++++++++++++");

global_fvalue = 1.0;

while ((opt = getopt(argc, argv, "hk:v")) != -1) {
	switch(opt) {
		// case 'h':	help(0);			break;
		case 'k':	global_fvalue = atof(optarg);	break;
		case 'v':	verbosity++;			break;
		}
	}

fprintf(stderr, "argc %d   optind %d\n", argc, optind);

filename = NULL;
if (1 == argc-optind)	filename = argv[optind];

/*
foo = essai_filtrage_2x2(filename);
if (foo) {
	fprintf(stderr, "Filtre 2x2 ====> %d\n", foo);
	}
*/

foo = essai_filtrage_3x3(filename);
if (foo) {
	fprintf(stderr, "Filtre 3x3 ====> %d\n", foo);
	}

fprintf(stderr, "++++++++++++++ end of pid %d\n", getpid());
return 0;
}
/* --------------------------------------------------------------------- */