1 /* sane - Scanner Access Now Easy. 2 3 This file (C) 1997 Ingo Schneider 4 5 This file is part of the SANE package. 6 7 SANE is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 2 of the License, or (at your 10 option) any later version. 11 12 SANE is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with sane; see the file COPYING. 19 If not, see <https://www.gnu.org/licenses/>. */ 20 #ifndef s9036_h 21 #define s9036_h 22 23 enum S9036_Option 24 { 25 OPT_NUM_OPTS = 0, 26 27 OPT_MODE_GROUP, 28 OPT_DEPTH, 29 OPT_RESOLUTION, 30 31 OPT_GEOMETRY_GROUP, 32 OPT_TL_X, /* top-left x */ 33 OPT_TL_Y, /* top-left y */ 34 OPT_BR_X, /* bottom-right x */ 35 OPT_BR_Y, /* bottom-right y */ 36 37 OPT_ENHANCEMENT_GROUP, 38 OPT_BRIGHTNESS, 39 OPT_CONTRAST, 40 OPT_BRIGHT_ADJUST, 41 OPT_CONTR_ADJUST, 42 43 /* must come last: */ 44 NUM_OPTIONS 45 }; 46 47 typedef struct S9036_Device 48 { 49 struct S9036_Device *next; 50 SANE_Device sane; 51 SANE_Handle handle; 52 } 53 S9036_Device; 54 55 typedef struct S9036_Scanner 56 { 57 /* all the state needed to define a scan request: */ 58 59 SANE_Option_Descriptor opt[NUM_OPTIONS]; 60 SANE_Word val[NUM_OPTIONS]; 61 62 /* Parsed option values and variables that are valid only during 63 actual scanning: */ 64 SANE_Bool scanning; 65 SANE_Parameters params; 66 67 size_t bufsize; /* about SCSI_MAX_REQUEST_SIZE */ 68 SANE_Byte *buffer; /* buffer of size 'bufsize' */ 69 SANE_Byte *bufstart; /* Start of data for next read */ 70 size_t in_buffer; /* bytes already in buffer */ 71 72 int lines_in_scanner; /* Lines in scanner memory */ 73 int lines_read; /* Total lines read for now */ 74 75 int fd; /* SCSI filedescriptor */ 76 77 /* scanner dependent/low-level state: */ 78 S9036_Device *hw; 79 80 } 81 S9036_Scanner; 82 83 #endif /* s9036_h */ 84