kopia lustrzana https://gitlab.com/sane-project/backends
84 wiersze
2.1 KiB
C
84 wiersze
2.1 KiB
C
/* sane - Scanner Access Now Easy.
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This file (C) 1997 Ingo Schneider
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This file is part of the SANE package.
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SANE is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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SANE is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with sane; see the file COPYING.
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If not, see <https://www.gnu.org/licenses/>. */
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#ifndef s9036_h
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#define s9036_h
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enum S9036_Option
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{
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OPT_NUM_OPTS = 0,
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OPT_MODE_GROUP,
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OPT_DEPTH,
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OPT_RESOLUTION,
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OPT_GEOMETRY_GROUP,
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OPT_TL_X, /* top-left x */
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OPT_TL_Y, /* top-left y */
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OPT_BR_X, /* bottom-right x */
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OPT_BR_Y, /* bottom-right y */
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OPT_ENHANCEMENT_GROUP,
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OPT_BRIGHTNESS,
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OPT_CONTRAST,
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OPT_BRIGHT_ADJUST,
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OPT_CONTR_ADJUST,
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/* must come last: */
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NUM_OPTIONS
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};
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typedef struct S9036_Device
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{
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struct S9036_Device *next;
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SANE_Device sane;
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SANE_Handle handle;
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}
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S9036_Device;
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typedef struct S9036_Scanner
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{
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/* all the state needed to define a scan request: */
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SANE_Option_Descriptor opt[NUM_OPTIONS];
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SANE_Word val[NUM_OPTIONS];
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/* Parsed option values and variables that are valid only during
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actual scanning: */
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SANE_Bool scanning;
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SANE_Parameters params;
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size_t bufsize; /* about SCSI_MAX_REQUEST_SIZE */
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SANE_Byte *buffer; /* buffer of size 'bufsize' */
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SANE_Byte *bufstart; /* Start of data for next read */
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size_t in_buffer; /* bytes already in buffer */
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int lines_in_scanner; /* Lines in scanner memory */
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int lines_read; /* Total lines read for now */
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int fd; /* SCSI filedescriptor */
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/* scanner dependent/low-level state: */
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S9036_Device *hw;
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}
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S9036_Scanner;
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#endif /* s9036_h */
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