1 /* sane - Scanner Access Now Easy. 2 3 Copyright (C) 1997, 1998 Franck Schnefra, Michel Roelofs, 4 Emmanuel Blot, Mikko Tyolajarvi, David Mosberger-Tang, Wolfgang Goeller, 5 Petter Reinholdtsen, Gary Plewa, Sebastien Sable, Oliver Schwartz 6 and Kevin Charter 7 8 This file is part of the SANE package. 9 10 This program is free software; you can redistribute it and/or 11 modify it under the terms of the GNU General Public License as 12 published by the Free Software Foundation; either version 2 of the 13 License, or (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, but 16 WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program. If not, see <https://www.gnu.org/licenses/>. 22 23 As a special exception, the authors of SANE give permission for 24 additional uses of the libraries contained in this release of SANE. 25 26 The exception is that, if you link a SANE library with other files 27 to produce an executable, this does not by itself cause the 28 resulting executable to be covered by the GNU General Public 29 License. Your use of that executable is in no way restricted on 30 account of linking the SANE library code into it. 31 32 This exception does not, however, invalidate any other reasons why 33 the executable file might be covered by the GNU General Public 34 License. 35 36 If you submit changes to SANE to the maintainers to be included in 37 a subsequent release, you agree by submitting the changes that 38 those changes may be distributed with this exception intact. 39 40 If you write modifications of your own for SANE, it is your choice 41 whether to permit this exception to apply to your modifications. 42 If you do not wish that, delete this exception notice. 43 44 This file is a component of the implementation of a backend for many 45 of the AGFA SnapScan and Acer Vuego/Prisa flatbed scanners. 46 */ 47 48 /* 49 SnapScan backend scan data sources 50 */ 51 52 #ifndef SNAPSCAN_SOURCES_H 53 #define SNAPSCAN_SOURCES_H 54 55 typedef struct source Source; 56 57 typedef SANE_Int (*SourceRemaining) (Source *ps); 58 typedef SANE_Int (*SourceBytesPerLine) (Source *ps); 59 typedef SANE_Int (*SourcePixelsPerLine) (Source *ps); 60 typedef SANE_Status (*SourceGet) (Source *ps, SANE_Byte *pbuf, SANE_Int *plen); 61 typedef SANE_Status (*SourceDone) (Source *ps); 62 63 #define SOURCE_GUTS \ 64 SnapScan_Scanner *pss;\ 65 SourceRemaining remaining;\ 66 SourceBytesPerLine bytesPerLine;\ 67 SourcePixelsPerLine pixelsPerLine;\ 68 SourceGet get;\ 69 SourceDone done 70 71 struct source 72 { 73 SOURCE_GUTS; 74 }; 75 76 static SANE_Status Source_init (Source *pself, 77 SnapScan_Scanner *pss, 78 SourceRemaining remaining, 79 SourceBytesPerLine bytesPerLine, 80 SourcePixelsPerLine pixelsPerLine, 81 SourceGet get, 82 SourceDone done); 83 84 /* base sources */ 85 86 #endif 87 88 /* 89 * Revision 1.5 2001/12/17 22:51:50 oliverschwartz 90 * Update to snapscan-20011212 (snapscan 1.4.3) 91 * 92 * Revision 1.5 2001/12/12 19:44:59 oliverschwartz 93 * Clean up CVS log 94 * 95 * Revision 1.4 2001/09/18 15:01:07 oliverschwartz 96 * - Read scanner id string again after firmware upload 97 * to identify correct model 98 * - Make firmware upload work for AGFA scanners 99 * - Change copyright notice 100 * 101 * Revision 1.3 2001/03/17 22:53:21 sable 102 * Applying Mikael Magnusson patch concerning Gamma correction 103 * Support for 1212U_2 104 * 105 * Revision 1.2 2000/10/13 03:50:27 cbagwell 106 * Updating to source from SANE 1.0.3. Calling this version 1.1 107 * */ 108