132 lines
3.2 KiB
C
132 lines
3.2 KiB
C
/* Seven Segment Optical Character Recognition Constant Definitions */
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/* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Copyright (C) 2004-2009 Erik Auerswald <[email protected]> */
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#ifndef SSOCR2_DEFINES_H
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#define SSOCR2_DEFINES_H
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/* version number */
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#define VERSION "2.9.1"
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/* states */
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#define FIND_DARK 0
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#define FIND_LIGHT 1
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/* boarder between dark and light */
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#define THRESHOLD 50.0
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#define DARK 0
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#define LIGHT 1
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#define UNKNOWN 2
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/* segments
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*
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* 1 -
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* 2 3 | |
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* 4 -
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* 5 6 | |
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* 7 -
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*
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* */
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#define HORIZ_UP 1
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#define VERT_LEFT_UP 2
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#define VERT_RIGHT_UP 4
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#define HORIZ_MID 8
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#define VERT_LEFT_DOWN 16
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#define VERT_RIGHT_DOWN 32
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#define HORIZ_DOWN 64
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#define ALL_SEGS 127
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/* digits */
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#define D_ZERO (ALL_SEGS & ~HORIZ_MID)
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#define D_ONE (VERT_RIGHT_UP | VERT_RIGHT_DOWN)
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#define D_TWO (ALL_SEGS & ~(VERT_LEFT_UP | VERT_RIGHT_DOWN))
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#define D_THREE (ALL_SEGS & ~(VERT_LEFT_UP | VERT_LEFT_DOWN))
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#define D_FOUR (ALL_SEGS & ~(HORIZ_UP | VERT_LEFT_DOWN | HORIZ_DOWN))
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#define D_FIVE (ALL_SEGS & ~(VERT_RIGHT_UP | VERT_LEFT_DOWN))
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#define D_SIX (ALL_SEGS & ~VERT_RIGHT_UP)
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#define D_SEVEN (HORIZ_UP | VERT_RIGHT_UP | VERT_RIGHT_DOWN)
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#define D_EIGHT ALL_SEGS
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#define D_NINE (ALL_SEGS & ~VERT_LEFT_DOWN)
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#define D_UNKNOWN 0
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#define NUMBER_OF_DIGITS 6 /* in this special case */
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/* a one is recognized by a height/width ratio > ONE_RATIO (as ints) */
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#define ONE_RATIO 3
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/* to find segment need # of pixels */
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#define NEED_PIXELS 1
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/* ignore # of pixels when checking a column fo black or white */
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#define IGNORE_PIXELS 0
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#define DIR_SEP "/"
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#define TMP_FILE_DIR "/tmp"
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#define TMP_FILE_PATTERN "ssocr.img.XXXXXX"
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#define DEBUG_IMAGE_NAME "testbild.png"
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/* flags set by options */
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#define ABSOLUTE_THRESHOLD 1
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#define DO_ITERATIVE_THRESHOLD (1<<1)
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#define VERBOSE (1<<2)
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#define USE_DEBUG_IMAGE (1<<3)
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#define PROCESS_ONLY (1<<4)
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#define PRINT_INFO (1<<5)
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#define ADJUST_GRAY (1<<6)
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#define DEBUG_OUTPUT (1<<7)
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/* colors used by ssocr */
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#define SSOCR_BLACK 0
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#define SSOCR_WHITE 255
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/* maximum RGB component value */
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#define MAXRGB 255
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/* doubles are assumed equal when they differ less than EPSILON */
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#define EPSILON 0.0000001
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/* default luminance formula */
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#define DEFAULT_LUM_FORMULA REC709
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/* channels of RGB images */
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typedef enum channel_e {
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CHAN_ALL,
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CHAN_RED,
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CHAN_GREEN,
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CHAN_BLUE
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} channel_t;
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/* foreground and background */
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typedef enum fg_bg_e {
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FG,
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BG
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} fg_bg_t;
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/* luminance types resp. formulas */
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typedef enum luminance_e {
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REC601,
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REC709,
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LINEAR,
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MINIMUM,
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MAXIMUM,
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RED,
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GREEN,
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BLUE
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} luminance_t;
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#endif /* SSOCR2_DEFINES_H */
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