/* Seven Segment Optical Character Recognition Constant Definitions */ /* This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ /* Copyright (C) 2004-2023 Erik Auerswald */ /* Copyright (C) 2013 Cristiano Fontana */ #define PROG "ssocr" #ifndef SSOCR2_DEFINES_H #define SSOCR2_DEFINES_H /* version number */ #define VERSION "2.23.1+" /* states */ #define FIND_DARK 0 #define FIND_LIGHT 1 /* boarder between dark and light */ #define THRESHOLD 50.0 #define DARK 0 #define LIGHT 1 #define UNKNOWN 2 /* segments * * 1 - * 2 3 | | * 4 - * 5 6 | | * 7 - * * */ #define HORIZ_UP 1 #define VERT_LEFT_UP 2 #define VERT_RIGHT_UP 4 #define HORIZ_MID 8 #define VERT_LEFT_DOWN 16 #define VERT_RIGHT_DOWN 32 #define HORIZ_DOWN 64 #define ALL_SEGS 127 #define DECIMAL 128 #define MINUS HORIZ_MID /* maximum number used for a character #define */ #define CHARSET_MAX 128 /* digits */ #define D_ZERO (ALL_SEGS & ~HORIZ_MID) #define D_ONE (VERT_RIGHT_UP | VERT_RIGHT_DOWN) #define D_TWO (ALL_SEGS & ~(VERT_LEFT_UP | VERT_RIGHT_DOWN)) #define D_THREE (ALL_SEGS & ~(VERT_LEFT_UP | VERT_LEFT_DOWN)) #define D_FOUR (ALL_SEGS & ~(HORIZ_UP | VERT_LEFT_DOWN | HORIZ_DOWN)) #define D_FIVE (ALL_SEGS & ~(VERT_RIGHT_UP | VERT_LEFT_DOWN)) #define D_SIX (ALL_SEGS & ~VERT_RIGHT_UP) #define D_SEVEN (HORIZ_UP | VERT_RIGHT_UP | VERT_RIGHT_DOWN) #define D_ALTSEVEN (VERT_LEFT_UP | D_SEVEN) #define D_EIGHT ALL_SEGS #define D_NINE (ALL_SEGS & ~VERT_LEFT_DOWN) #define D_ALTNINE (ALL_SEGS & ~(VERT_LEFT_DOWN | HORIZ_DOWN)) #define D_DECIMAL DECIMAL #define D_MINUS MINUS #define D_HEX_A (ALL_SEGS & ~HORIZ_DOWN) #define D_HEX_b (ALL_SEGS & ~(HORIZ_UP | VERT_RIGHT_UP)) #define D_HEX_C (ALL_SEGS & ~(VERT_RIGHT_UP | HORIZ_MID | VERT_RIGHT_DOWN)) #define D_HEX_c (HORIZ_MID | VERT_LEFT_DOWN | HORIZ_DOWN) #define D_HEX_d (ALL_SEGS & ~(HORIZ_UP | VERT_LEFT_UP)) #define D_HEX_E (ALL_SEGS & ~(VERT_RIGHT_UP | VERT_RIGHT_DOWN)) #define D_HEX_F (ALL_SEGS & ~(VERT_RIGHT_UP | VERT_RIGHT_DOWN | HORIZ_DOWN)) #define D_U (D_ZERO & ~HORIZ_UP) #define D_T (ALL_SEGS & ~(HORIZ_UP | VERT_RIGHT_UP | VERT_RIGHT_DOWN)) #define D_L (D_T & ~HORIZ_MID) #define D_H (ALL_SEGS & ~(HORIZ_UP | HORIZ_DOWN)) #define D_R (D_ZERO & ~(VERT_RIGHT_DOWN | HORIZ_DOWN)) #define D_P (D_HEX_F | VERT_RIGHT_UP) #define D_N (D_ZERO & ~HORIZ_DOWN) /* an N in the lower half can only happen when digit boundary detection fails *//* define D_LOW_N (VERT_LEFT_DOWN | VERT_RIGHT_DOWN | HORIZ_MID) */ #define D_Y (ALL_SEGS & ~(HORIZ_UP | VERT_LEFT_DOWN)) #define D_J (HORIZ_DOWN | VERT_RIGHT_UP | VERT_RIGHT_DOWN) /* add two "wrong" 7 definitions used in a character set for a Chinese * table tennis robot */ #define D_TT_WRONG_SEVEN_1 (D_SEVEN | VERT_LEFT_DOWN | HORIZ_DOWN) #define D_TT_WRONG_SEVEN_2 (D_SEVEN | HORIZ_DOWN) #define D_UNKNOWN 0 #define NUMBER_OF_DIGITS 6 /* in this special case */ /* a decimal point (or thousands separator) is recognized by height less * than / DEC_H_RATIO and width less than * / DEC_W_RATIO */ #define DEC_H_RATIO 5 #define DEC_W_RATIO 2 /* needs to work with just ones in the display, too */ /* a one is recognized by a height/width ratio > ONE_RATIO (as ints) */ #define ONE_RATIO 3 /* a minus sign is recognized by a width/height ratio > MINUS_RATIO (as ints) */ #define MINUS_RATIO 2 /* add space characters if digit distance is greater than SPC_FAC * min dist */ #define SPC_FAC 1.4 /* number of set pixels needed in a scanline to recognize a segment */ #define NEED_PIXELS 1 /* minimum number of pixels required for a segment * this generalizes to both scanline and ratio based digit detection, * but only when the digit is built using segments, i.e., this is not * used for decimal separators */ #define MIN_SEGMENT 1 /* minimum width of a character respectively digit */ #define MIN_CHAR_W 1 /* minimum height of a character respectively digit */ #define MIN_CHAR_H 1 /* ignore # of pixels when checking a column fo black or white */ #define IGNORE_PIXELS 0 #define DIR_SEP "/" #define TMP_FILE_DIR "/tmp" #define TMP_FILE_PATTERN "ssocr.img.XXXXXX" #define DEBUG_IMAGE_NAME "testbild.png" /* flags set by options */ #define ABSOLUTE_THRESHOLD 1 #define DO_ITERATIVE_THRESHOLD (1<<1) #define VERBOSE (1<<2) #define USE_DEBUG_IMAGE (1<<3) #define PROCESS_ONLY (1<<4) #define PRINT_INFO (1<<5) #define ADJUST_GRAY (1<<6) #define DEBUG_OUTPUT (1<<7) #define ASCII_ART_SEGMENTS (1<<8) #define PRINT_AS_HEX (1<<9) #define OMIT_DECIMAL (1<<10) #define PRINT_SPACES (1<<11) #define SPC_USE_AVG_DST (1<<12) /* colors used by ssocr */ #define SSOCR_BLACK 0 #define SSOCR_WHITE 255 #define SSOCR_DEFAULT_FOREGROUND SSOCR_BLACK #define SSOCR_DEFAULT_BACKGROUND SSOCR_WHITE /* maximum RGB component value */ #define MAXRGB 255 /* doubles are assumed equal when they differ less than EPSILON */ #define EPSILON 0.0000001 /* default luminance formula */ #define DEFAULT_LUM_FORMULA REC709 /* foreground and background */ typedef enum fg_bg_e { FG, BG } fg_bg_t; /* luminance types resp. formulas */ typedef enum luminance_e { REC601, REC709, LINEAR, MINIMUM, MAXIMUM, RED, GREEN, BLUE } luminance_t; /* direction, to mirror horizontally or vertically, or for a scanline */ typedef enum direction_e { HORIZONTAL, VERTICAL } direction_t; /* character sets to choose from */ typedef enum charset_e { CS_FULL, CS_DIGITS, CS_DECIMAL, CS_HEXADECIMAL, CS_TT_ROBOT } charset_t; #define DEFAULT_CHARSET CS_FULL #endif /* SSOCR2_DEFINES_H */