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3a13d80d24
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@293 d0cd1f9f-072b-0410-8dd7-cf729c803f20
243 lines
8.8 KiB
C
243 lines
8.8 KiB
C
/* -*-C-*-
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********************************************************************************
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*
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* File: choices.h (Formerly choices.h)
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* Description: Handle the new ratings choices for Wise Owl
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* Author: Mark Seaman, OCR Technology
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* Created: Fri Sep 22 14:05:51 1989
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* Modified: Fri Jan 4 12:04:01 1991 (Mark Seaman) marks@hpgrlt
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* Language: C
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* Package: N/A
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* Status: Experimental (Do Not Distribute)
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*
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* (c) Copyright 1989, Hewlett-Packard Company.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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********************************************************************************
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*
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* FUNCTIONS TO CALL
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* -----------------
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* append_char_choice - Create a new choice for a character and add it to the list.
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* class_rating - Return the rating of a given character class.
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* class_string - Return the string corresponding to a character choice.
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* free_choice - Free up the memory taken by one choice rating.
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* new_choice - Create one choice record one set up the fields.
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*
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*********************************************************************************/
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#ifndef CHOICES_H
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#define CHOICES_H
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#include <stdio.h>
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#include <string.h>
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#include "oldlist.h"
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#include "unicharset.h"
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/*----------------------------------------------------------------------
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T y p e s
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----------------------------------------------------------------------*/
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typedef LIST CHOICES; /* CHOICES */
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//typedef float PROBABILITY; /* PROBABILITY */
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//typedef char PERM_TYPE; /* PERMUTER CODE */
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typedef struct choicestruct
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{ /* A_CHOICE */
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float rating;
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float certainty;
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char permuter;
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inT8 config;
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char *string;
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char *lengths; // length of each unichar in the string
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int script_id;
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char *fragment_lengths; // length of fragments for each unichar in string
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bool fragment_mark; // if true, indicates that this choice
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// was chosen over a better one that
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// contained a fragment
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} A_CHOICE;
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/*----------------------------------------------------------------------
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M a c r o s
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----------------------------------------------------------------------*/
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/**********************************************************************
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* best_string
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*
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* Return the string corresponding to the best choice.
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**********************************************************************/
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#define best_string(choices) \
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(first_node (choices) ? ((A_CHOICE*) (first_node (choices)))->string : NULL)
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/**********************************************************************
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* best_lengths
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*
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* Return the lengths corresponding to the best choice.
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**********************************************************************/
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#define best_lengths(choices) \
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(first_node (choices) ? ((A_CHOICE*) (first_node (choices)))->lengths : NULL)
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/**********************************************************************
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* best_rating
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*
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* Return the rating of the best choice.
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**********************************************************************/
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#define best_rating(choices) \
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(((A_CHOICE*) (first_node (choices)))->rating)
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/**********************************************************************
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* best_certainty
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*
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* Return the certainty of the best choice.
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**********************************************************************/
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#define best_certainty(choices) \
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(((A_CHOICE*) (first_node (choices)))->certainty)
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/**********************************************************************
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* class_rating
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*
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* Return the rating of a given character class.
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**********************************************************************/
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#define class_rating(choice) \
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(((A_CHOICE*) (choice))->rating)
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/**********************************************************************
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* class_certainty
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*
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* Return the certainty of a given character class.
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**********************************************************************/
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#define class_certainty(choice) \
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(((A_CHOICE*) (choice))->certainty)
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/**********************************************************************
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* class_string
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*
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* Return the string of a given character class.
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**********************************************************************/
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#define class_string(choice) \
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(((A_CHOICE*) (choice))->string)
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/**********************************************************************
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* class_lengths
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*
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* Return the lengths of a given character class.
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**********************************************************************/
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#define class_lengths(choice) \
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(((A_CHOICE*) (choice))->lengths)
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/**********************************************************************
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* class_permuter
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*
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* Return the permuter of a given character class.
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**********************************************************************/
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#define class_permuter(choice) \
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(((A_CHOICE*) (choice))->permuter)
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/**********************************************************************
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* class_config
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*
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* Return the config of a given character class.
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**********************************************************************/
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#define class_config(choice) \
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(((A_CHOICE*) (choice))->config)
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/**********************************************************************
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* class_script
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*
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* Return the script of a given character class.
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**********************************************************************/
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#define class_script_id(choice) \
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(((A_CHOICE*) (choice))->script_id)
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/**********************************************************************
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* free_choices
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*
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* Free a list of choices.
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**********************************************************************/
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#define free_choices(c) \
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destroy_nodes ((c), free_choice)
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/**********************************************************************
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* print_bold
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*
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* Print a string in bold type by using escape sequences. This only
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* works for certain output devices.
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**********************************************************************/
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#define print_bold(string) \
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cprintf ("\033&dB%s\033&d@", string)
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/*----------------------------------------------------------------------
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F u n c t i o n s
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----------------------------------------------------------------------*/
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// Returns true if fragment_mark is set for the given choice.
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inline bool class_fragment_mark(A_CHOICE *choice) {
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return choice->fragment_mark;
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}
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// Sets fragment_mark of choice to the given value.
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inline void set_class_fragment_mark(A_CHOICE *choice, bool mark) {
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choice->fragment_mark = mark;
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}
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// Returns fragment_lengths of the given class.
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inline const char *class_fragment_lengths(A_CHOICE *choice) {
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return choice->fragment_lengths;
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}
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CHOICES append_char_choice(CHOICES ratings,
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const char *string,
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const char *lengths,
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float rating,
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float certainty,
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inT8 config,
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int script_id);
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CHOICES copy_choices(CHOICES choices);
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// Copy the given values into corresponding fields of choice.
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void clone_choice(A_CHOICE *choice, const char *string,
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const char *lengths, float rating, float certainty,
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inT8 permuter, bool fragment_mark,
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const char *fragment_lengths);
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// Copy the contents of choice_1 into choice_2.
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inline void clone_choice(A_CHOICE *choice_2, A_CHOICE *choice_1) {
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clone_choice(choice_2, class_string(choice_1), class_lengths(choice_1),
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class_rating(choice_1), class_certainty(choice_1),
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class_permuter(choice_1), class_fragment_mark(choice_1),
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class_fragment_lengths(choice_1));
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}
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void clear_choice(A_CHOICE *choice);
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void free_choice(void *arg);
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A_CHOICE *get_best_free_other(A_CHOICE *choice_1, A_CHOICE *choice_2);
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A_CHOICE *new_choice(const char *string,
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const char *lengths,
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float rating,
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float certainty,
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inT8 config,
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int script_id,
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char permuter,
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bool fragment_mark,
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const char *fragment_lengths);
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A_CHOICE *new_choice(const char *string,
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const char *lengths,
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float rating,
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float certainty,
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inT8 config,
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char permuter);
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#endif
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