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/******************************************************************************
* Copyright (C) 2020 Alejandro Colomar Andrés *
* SPDX-License-Identifier: GPL-2.0-only *
******************************************************************************/
/******************************************************************************
******* headers **************************************************************
******************************************************************************/
#include "templates/base.h"
#include <math.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#define ALX_NO_PREFIX
#include <libalx/base/compiler.h>
#include <libalx/base/stdint.h>
#include <libalx/base/stdio.h>
#include <libalx/extra/cv/cv.h>
#include "dbg.h"
#include "symbols.h"
#include "templates/templates.h"
/******************************************************************************
******* macro ****************************************************************
******************************************************************************/
/******************************************************************************
******* enum / struct / union ************************************************
******************************************************************************/
/******************************************************************************
******* variables ************************************************************
******************************************************************************/
/******************************************************************************
******* static prototypes ****************************************************
******************************************************************************/
/******************************************************************************
******* global functions *****************************************************
******************************************************************************/
int match_t_base (img_s *restrict sym, uint32_t *code, ptrdiff_t i)
{
img_s *base;
img_s *tmp;
conts_s *conts;
double match, m;
int status;
/* init */
status = -1;
if (alx_cv_init_img(&base))
return status;
if (alx_cv_init_img(&tmp))
goto err0;
if (alx_cv_init_conts(&conts))
goto err1;
/* Find base match */
status--;
if (symbol_base(sym, base))
goto err; dbg_show(2, base);
status--;
match = -INFINITY;
BITFIELD_SET(code, CODE_BASE_POS, CODE_BASE_LEN);
m = alx_cv_compare_bitwise(base, base_templates[i], 2); dbg_printf(2, "match: %.5lf\n", m);
alx_cv_clone(tmp, base);
alx_cv_resize_2largest(tmp, base_templates[i]);
alx_cv_xor_2ref(tmp, base_templates[i]); dbg_show(2, tmp);
if (m >= match) {
BITFIELD_WRITE(code, CODE_BASE_POS, CODE_BASE_LEN, i);
BIT_SET(code, CODE_Y_N_POS);
match = m;
}
m = alx_cv_compare_bitwise(base, base_templates_not[i], 2); dbg_printf(2, "match: %.5lf\n", m);
alx_cv_clone(tmp, base);
alx_cv_resize_2largest(tmp, base_templates_not[i]);
alx_cv_xor_2ref(tmp, base_templates_not[i]); dbg_show(2, tmp);
if (m >= match) {
BITFIELD_WRITE(code, CODE_BASE_POS, CODE_BASE_LEN, i);
BIT_CLEAR(code, CODE_Y_N_POS);
match = m;
}
if (BIT_READ(*code, CODE_Y_N_POS)) {
dbg_printf(1, "%s\n", t_base_meaning[i]);
dbg_show(1, base_templates[i]);
} else {
dbg_printf(1, "%s not\n", t_base_meaning[i]);
dbg_show(1, base_templates_not[i]);
}
/* deinit */
status = 0;
err: alx_cv_deinit_conts(conts);
err1: alx_cv_deinit_img(tmp);
err0: alx_cv_deinit_img(base);
return status;
}
int load_t_base (img_s *t, const char *fname)
{
conts_s *conts;
const cont_s *cont;
rect_s *rect;
int status;
/* init */
status = -1;
if (alx_cv_init_conts(&conts))
return status;
if (alx_cv_init_rect(&rect))
goto err0;
status--;
if (alx_cv_imread_gray(t, fname))
goto err; dbg_show(4, t);
alx_cv_threshold(t, ALX_CV_THRESH_BINARY_INV, ALX_CV_THR_OTSU);
alx_cv_contours(t, conts);
status--;
if (alx_cv_conts_largest_a(&cont, NULL, conts))
goto err;
alx_cv_bounding_rect(rect, cont);
alx_cv_roi_set(t, rect); dbg_show(4, t);
/* deinit */
status = 0;
err: alx_cv_deinit_rect(rect);
err0: alx_cv_deinit_conts(conts);
return status;
}
/******************************************************************************
******* static function definitions ******************************************
******************************************************************************/
/******************************************************************************
******* end of file **********************************************************
******************************************************************************/
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