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+/* sane - Scanner Access Now Easy.
+
+ This file (C) 1997 Ingo Schneider
+
+ This file is part of the SANE package.
+
+ SANE is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at your
+ option) any later version.
+
+ SANE is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with sane; see the file COPYING. If not, write to the Free
+ Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+#ifndef s9036_h
+#define s9036_h
+
+enum S9036_Option
+ {
+ OPT_NUM_OPTS = 0,
+
+ OPT_MODE_GROUP,
+ OPT_DEPTH,
+ OPT_RESOLUTION,
+
+ OPT_GEOMETRY_GROUP,
+ OPT_TL_X, /* top-left x */
+ OPT_TL_Y, /* top-left y */
+ OPT_BR_X, /* bottom-right x */
+ OPT_BR_Y, /* bottom-right y */
+
+ OPT_ENHANCEMENT_GROUP,
+ OPT_BRIGHTNESS,
+ OPT_CONTRAST,
+ OPT_BRIGHT_ADJUST,
+ OPT_CONTR_ADJUST,
+
+ /* must come last: */
+ NUM_OPTIONS
+ };
+
+typedef struct S9036_Device
+ {
+ struct S9036_Device *next;
+ SANE_Device sane;
+ SANE_Handle handle;
+ }
+S9036_Device;
+
+typedef struct S9036_Scanner
+ {
+ /* all the state needed to define a scan request: */
+
+ SANE_Option_Descriptor opt[NUM_OPTIONS];
+ SANE_Word val[NUM_OPTIONS];
+
+ /* Parsed option values and variables that are valid only during
+ actual scanning: */
+ SANE_Bool scanning;
+ SANE_Parameters params;
+
+ size_t bufsize; /* about SCSI_MAX_REQUEST_SIZE */
+ SANE_Byte *buffer; /* buffer of size 'bufsize' */
+ SANE_Byte *bufstart; /* Start of data for next read */
+ size_t in_buffer; /* bytes already in buffer */
+
+ int lines_in_scanner; /* Lines in scanner memory */
+ int lines_read; /* Total lines read for now */
+
+ int fd; /* SCSI filedescriptor */
+
+ /* scanner dependent/low-level state: */
+ S9036_Device *hw;
+
+ }
+S9036_Scanner;
+
+#endif /* s9036_h */