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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
commit6e9c41a892ed0e0da326e0278b3221ce3f5713b8 (patch)
tree2e301d871bbeeb44aa57ff9cc070fcf3be484487 /backend/dmc.h
Initial import of sane-backends version 1.0.24-1.2
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+/* sane - Scanner Access Now Easy.
+ Copyright (C) 1998 David F. Skoll
+ This file is part of the SANE package.
+
+ This program 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.
+
+ This program 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 this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA.
+
+ As a special exception, the authors of SANE give permission for
+ additional uses of the libraries contained in this release of SANE.
+
+ The exception is that, if you link a SANE library with other files
+ to produce an executable, this does not by itself cause the
+ resulting executable to be covered by the GNU General Public
+ License. Your use of that executable is in no way restricted on
+ account of linking the SANE library code into it.
+
+ This exception does not, however, invalidate any other reasons why
+ the executable file might be covered by the GNU General Public
+ License.
+
+ If you submit changes to SANE to the maintainers to be included in
+ a subsequent release, you agree by submitting the changes that
+ those changes may be distributed with this exception intact.
+
+ If you write modifications of your own for SANE, it is your choice
+ whether to permit this exception to apply to your modifications.
+ If you do not wish that, delete this exception notice. */
+
+/* $Id$ */
+
+#ifndef polaroid_dmc_h
+#define polaroid_dmc_h
+
+#include <sys/types.h>
+
+#define BYTES_PER_RAW_LINE 1599
+
+typedef enum {
+ OPT_NUM_OPTS = 0,
+
+ 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_MODE_GROUP, /* Image acquisition mode */
+ OPT_IMAGE_MODE, /* Thumbnail, center cut or MFI'd image */
+ OPT_ASA, /* ASA Settings */
+ OPT_SHUTTER_SPEED, /* Shutter speed */
+ OPT_WHITE_BALANCE, /* White balance */
+
+ /* must come last: */
+ NUM_OPTIONS
+} DMC_Option;
+
+typedef struct DMC_Device {
+ struct DMC_Device *next;
+ SANE_Device sane;
+ SANE_Range shutterSpeedRange;
+ unsigned int shutterSpeed;
+ int asa;
+ int whiteBalance;
+} DMC_Device;
+
+typedef struct DMC_Camera {
+ /* all the state needed to define a scan request: */
+ struct DMC_Camera *next;
+
+ SANE_Option_Descriptor opt[NUM_OPTIONS];
+ Option_Value val[NUM_OPTIONS];
+
+ SANE_Parameters params;
+ size_t bytes_to_read;
+
+ SANE_Range tl_x_range;
+ SANE_Range tl_y_range;
+ SANE_Range br_x_range;
+ SANE_Range br_y_range;
+
+ int imageMode;
+
+ /* The DMC needs certain reads to be done in one chunk, meaning
+ we might have to buffer them. */
+ char *readBuffer;
+ char *readPtr;
+ int inViewfinderMode;
+ int fd; /* SCSI filedescriptor */
+ SANE_Byte currentRawLine[BYTES_PER_RAW_LINE];
+ SANE_Byte nextRawLine[BYTES_PER_RAW_LINE];
+ int nextRawLineValid;
+
+ /* scanner dependent/low-level state: */
+ DMC_Device *hw;
+} DMC_Camera;
+
+/* We only support the following four imaging modes */
+#define IMAGE_MFI 0x0000 /* 801x600 filtered image */
+#define IMAGE_VIEWFINDER 0x0001 /* 270x201 viewfinder image */
+#define IMAGE_RAW 0x0002 /* 1599x600 raw image */
+#define IMAGE_THUMB 0x0003 /* 80x60 thumbnail image */
+#define IMAGE_SUPER_RES 0x0004
+#define NUM_IMAGE_MODES 5
+
+#define ASA_25 0
+#define ASA_50 1
+#define ASA_100 2
+
+#define WHITE_BALANCE_DAYLIGHT 0
+#define WHITE_BALANCE_INCANDESCENT 1
+#define WHITE_BALANCE_FLUORESCENT 2
+
+#endif /* polaroid_dmc_h */