1 /* sane - Scanner Access Now Easy. 2 Artec AS6E backend. 3 Copyright (C) 2000 Eugene S. Weiss 4 This file is part of the SANE package. 5 6 This program is free software; you can redistribute it and/or 7 modify it under the terms of the GNU General Public License as 8 published by the Free Software Foundation; either version 2 of the 9 License, or (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program. If not, see <https://www.gnu.org/licenses/>. 18 19 As a special exception, the authors of SANE give permission for 20 additional uses of the libraries contained in this release of SANE. 21 22 The exception is that, if you link a SANE library with other files 23 to produce an executable, this does not by itself cause the 24 resulting executable to be covered by the GNU General Public 25 License. Your use of that executable is in no way restricted on 26 account of linking the SANE library code into it. 27 28 This exception does not, however, invalidate any other reasons why 29 the executable file might be covered by the GNU General Public 30 License. 31 32 If you submit changes to SANE to the maintainers to be included in 33 a subsequent release, you agree by submitting the changes that 34 those changes may be distributed with this exception intact. 35 36 If you write modifications of your own for SANE, it is your choice 37 whether to permit this exception to apply to your modifications. 38 If you do not wish that, delete this exception notice. 39 40 This file implements a backend for the Artec AS6E by making a bridge 41 to the as6edriver program. The as6edriver program can be found at 42 http://as6edriver.sourceforge.net . */ 43 44 #ifndef as6e_h 45 #define as6e_h 46 47 #include <sys/stat.h> 48 #include <sys/types.h> 49 #include "../include/sane/sane.h" 50 51 52 typedef enum 53 { 54 OPT_NUM_OPTS = 0, 55 OPT_MODE, 56 OPT_RESOLUTION, 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 /* must come last */ 67 NUM_OPTIONS 68 } AS6E_Option; 69 70 typedef struct 71 { 72 int color; 73 int resolution; 74 int startpos; 75 int stoppos; 76 int startline; 77 int stopline; 78 int ctloutpipe; 79 int ctlinpipe; 80 int datapipe; 81 } AS6E_Params; 82 83 84 typedef struct AS6E_Device 85 { 86 struct AS6E_Device *next; 87 SANE_Device sane; 88 } AS6E_Device; 89 90 91 92 typedef struct AS6E_Scan 93 { 94 struct AS6E_Scan *next; 95 SANE_Option_Descriptor options_list[NUM_OPTIONS]; 96 Option_Value value[NUM_OPTIONS]; 97 SANE_Bool scanning; 98 SANE_Bool cancelled; 99 SANE_Parameters sane_params; 100 AS6E_Params as6e_params; 101 pid_t child_pid; 102 size_t bytes_to_read; 103 SANE_Byte *scan_buffer; 104 SANE_Byte *line_buffer; 105 SANE_Word scan_buffer_count; 106 SANE_Word image_counter; 107 } AS6E_Scan; 108 109 110 #ifndef PATH_MAX 111 #define PATH_MAX 1024 112 #endif 113 114 #define AS6E_CONFIG_FILE "as6e.conf" 115 116 #define READPIPE 0 117 #define WRITEPIPE 1 118 119 120 #define SCAN_BUF_SIZE 32768 121 122 #endif /* as6e_h */ 123