kopia lustrzana https://gitlab.com/sane-project/backends
122 wiersze
3.8 KiB
C
122 wiersze
3.8 KiB
C
/* sane - Scanner Access Now Easy.
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Copyright (C) 1998 Dianne Skoll
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This file is part of the SANE package.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License 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 this program. If not, see <https://www.gnu.org/licenses/>.
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As a special exception, the authors of SANE give permission for
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additional uses of the libraries contained in this release of SANE.
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The exception is that, if you link a SANE library with other files
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to produce an executable, this does not by itself cause the
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resulting executable to be covered by the GNU General Public
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License. Your use of that executable is in no way restricted on
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account of linking the SANE library code into it.
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This exception does not, however, invalidate any other reasons why
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the executable file might be covered by the GNU General Public
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License.
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If you submit changes to SANE to the maintainers to be included in
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a subsequent release, you agree by submitting the changes that
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those changes may be distributed with this exception intact.
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If you write modifications of your own for SANE, it is your choice
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whether to permit this exception to apply to your modifications.
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If you do not wish that, delete this exception notice. */
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#ifndef polaroid_dmc_h
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#define polaroid_dmc_h
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#include <sys/types.h>
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#define BYTES_PER_RAW_LINE 1599
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typedef enum {
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OPT_NUM_OPTS = 0,
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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_MODE_GROUP, /* Image acquisition mode */
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OPT_IMAGE_MODE, /* Thumbnail, center cut or MFI'd image */
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OPT_ASA, /* ASA Settings */
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OPT_SHUTTER_SPEED, /* Shutter speed */
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OPT_WHITE_BALANCE, /* White balance */
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/* must come last: */
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NUM_OPTIONS
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} DMC_Option;
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typedef struct DMC_Device {
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struct DMC_Device *next;
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SANE_Device sane;
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SANE_Range shutterSpeedRange;
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unsigned int shutterSpeed;
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int asa;
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int whiteBalance;
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} DMC_Device;
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typedef struct DMC_Camera {
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/* all the state needed to define a scan request: */
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struct DMC_Camera *next;
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SANE_Option_Descriptor opt[NUM_OPTIONS];
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Option_Value val[NUM_OPTIONS];
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SANE_Parameters params;
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size_t bytes_to_read;
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SANE_Range tl_x_range;
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SANE_Range tl_y_range;
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SANE_Range br_x_range;
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SANE_Range br_y_range;
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int imageMode;
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/* The DMC needs certain reads to be done in one chunk, meaning
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we might have to buffer them. */
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char *readBuffer;
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char *readPtr;
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int inViewfinderMode;
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int fd; /* SCSI filedescriptor */
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SANE_Byte currentRawLine[BYTES_PER_RAW_LINE];
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SANE_Byte nextRawLine[BYTES_PER_RAW_LINE];
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int nextRawLineValid;
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/* scanner dependent/low-level state: */
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DMC_Device *hw;
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} DMC_Camera;
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/* We only support the following four imaging modes */
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#define IMAGE_MFI 0x0000 /* 801x600 filtered image */
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#define IMAGE_VIEWFINDER 0x0001 /* 270x201 viewfinder image */
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#define IMAGE_RAW 0x0002 /* 1599x600 raw image */
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#define IMAGE_THUMB 0x0003 /* 80x60 thumbnail image */
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#define IMAGE_SUPER_RES 0x0004
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#define NUM_IMAGE_MODES 5
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#define ASA_25 0
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#define ASA_50 1
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#define ASA_100 2
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#define WHITE_BALANCE_DAYLIGHT 0
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#define WHITE_BALANCE_INCANDESCENT 1
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#define WHITE_BALANCE_FLUORESCENT 2
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#endif /* polaroid_dmc_h */
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