1 /* sane - Scanner Access Now Easy. 2 3 ScanMaker 3840 Backend 4 Copyright (C) 2005-7 Earle F. Philhower, III 5 earle@ziplabel.com - http://www.ziplabel.com 6 7 This program is free software; you can redistribute it and/or 8 modify it under the terms of the GNU General Public License as 9 published by the Free Software Foundation; either version 2 of the 10 License, or (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, but 13 WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <https://www.gnu.org/licenses/>. 19 20 As a special exception, the authors of SANE give permission for 21 additional uses of the libraries contained in this release of SANE. 22 23 The exception is that, if you link a SANE library with other files 24 to produce an executable, this does not by itself cause the 25 resulting executable to be covered by the GNU General Public 26 License. Your use of that executable is in no way restricted on 27 account of linking the SANE library code into it. 28 29 This exception does not, however, invalidate any other reasons why 30 the executable file might be covered by the GNU General Public 31 License. 32 33 If you submit changes to SANE to the maintainers to be included in 34 a subsequent release, you agree by submitting the changes that 35 those changes may be distributed with this exception intact. 36 37 If you write modifications of your own for SANE, it is your choice 38 whether to permit this exception to apply to your modifications. 39 If you do not wish that, delete this exception notice. 40 41 */ 42 43 #ifndef sm3840_h 44 #define sm3840_h 45 46 #include <sys/stat.h> 47 #include <sys/types.h> 48 #include "../include/sane/sane.h" 49 50 51 typedef enum SM3840_Option 52 { 53 OPT_NUM_OPTS = 0, 54 OPT_MODE, 55 OPT_RESOLUTION, 56 OPT_BIT_DEPTH, 57 58 OPT_TL_X, /* top-left x */ 59 OPT_TL_Y, /* top-left y */ 60 OPT_BR_X, /* bottom-right x */ 61 OPT_BR_Y, /* bottom-right y */ 62 63 OPT_BRIGHTNESS, 64 OPT_CONTRAST, 65 66 OPT_LAMP_TIMEOUT, 67 OPT_THRESHOLD, 68 69 /* must come last */ 70 NUM_OPTIONS 71 } SM3840_Option; 72 73 #include "sm3840_params.h" 74 75 76 typedef struct SM3840_Device 77 { 78 struct SM3840_Device *next; 79 SANE_Device sane; 80 } SM3840_Device; 81 82 83 84 typedef struct SM3840_Scan 85 { 86 struct SM3840_Scan *next; 87 SANE_Option_Descriptor options_list[NUM_OPTIONS]; 88 Option_Value value[NUM_OPTIONS]; 89 90 SANE_Int udev; 91 92 SANE_Bool scanning; 93 SANE_Bool cancelled; 94 SANE_Parameters sane_params; 95 SM3840_Params sm3840_params; 96 97 SANE_Byte *line_buffer; /* One remapped/etc line */ 98 size_t remaining; /* How much of line_buffer is still good? */ 99 size_t offset; /* Offset in line_buffer where unread data lives */ 100 int linesleft; /* How many lines to read from scanner? */ 101 int linesread; /* Total lines returned to SANE */ 102 103 /* record_line state parameters */ 104 int save_i; 105 unsigned char *save_scan_line; 106 unsigned char *save_dpi1200_remap; 107 unsigned char *save_color_remap; 108 unsigned char threshold; 109 int save_dither_err; 110 111 } SM3840_Scan; 112 113 114 #ifndef PATH_MAX 115 #define PATH_MAX 1024 116 #endif 117 118 #define SM3840_CONFIG_FILE "sm3840.conf" 119 120 121 #define SCAN_BUF_SIZE 65536 122 123 #endif /* sm3840_h */ 124