/*
 *		crapulator.c
 */

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

#include  <floatimg.h>

#include  "fonctions.h"
#include  "crapulator.h"

/* -------------------------------------------------------------- */
/*
 *	This is the main filter engine
 *	used both for input and output
 */
int crapulator(FloatImg *image, int idFx, float fval)
{
int			retval, foo;
FloatImg		imgtmp;
static int		count = 0;
int			flag_debug = 0;
float			value;

#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p %d %f )\n", __func__,
				image, idFx, fval);
#endif

retval = 0;

if (666==count) {
	flag_debug = 1;
	fprintf(stderr, "DEBUG PT 1 in %s:%d\n", __func__, __LINE__);
	fimg_save_as_png(image, "crap_before.png", 0);
	}

switch (idFx) {
	case 0:		/* DO NOTHING */
		retval = 0;			break;

	case 1:
		fimg_cos_01(image, image,
				fimg_get_maxvalue(image));
		break;
	case 2:
		fimg_cos_010(image, image,
				fimg_get_maxvalue(image));
		break;
	case 3:
		value = fimg_get_maxvalue(image);
		fimg_mul_cste(image, -1.0);
		fimg_add_cste(image, value);
		foo = fimg_count_negativ(image);
		if (foo) {
			fimg_dump_to_file(image, "err.fimg", 0);
			fprintf(stderr, "%s negativ %d\n",
						__func__, foo);
			return -78;
			}
		break;
	case 4:
		brotche_rand48_a(image, 0.20,
				fimg_get_maxvalue(image));
		break;
	case 5:
		brotche_rand48_b(image, 0.10,
				fimg_get_maxvalue(image)*0.8);
		break;
	case 6:
		fimg_killcolors_a(image, 0.0);
		break;

	case 7:
		retval = fimg_colors_mixer_a(image, 2.0);
		break;

	case 8:
		fimg_clone(image, &imgtmp, 0);
		fimg_clear(&imgtmp);
		retval = fimg_contour_2x2(image, &imgtmp, 0);
		if (retval) {
			fprintf(stderr, "%s : err contour %d\n",
					__func__, retval);
			exit(1);
			}
		fimg_copy_data(&imgtmp, image);
		fimg_destroy(&imgtmp);
		break;

	case 9:
		retval = fimg_classif_trial(image, image, 0.37, 0);
		if (retval) {
			fprintf(stderr, "err %d in classif\n", retval);
			exit(1);
			}
		break;

	default :
		fprintf(stderr, "%s : effect #%d invalid\n", 
				__func__, idFx);
		return -77;
	}

if (flag_debug) {
	fprintf(stderr, "DEBUG PT 2 in %s:%d\n", __func__, __LINE__);
	fimg_save_as_png(image, "crap_after.png", 0);
	}

count++;	flag_debug = 0;

return retval;
}

/* -------------------------------------------------------------- */