kopia lustrzana https://gitlab.com/sane-project/backends
221 wiersze
6.6 KiB
C
221 wiersze
6.6 KiB
C
/* sane - Scanner Access Now Easy.
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Copyright (C) 1997 Geoffrey T. Dairiki
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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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA.
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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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This file is part of a SANE backend for HP Scanners supporting
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HP Scanner Control Language (SCL).
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*/
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#ifndef HP_H_INCLUDED
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#define HP_H_INCLUDED
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#include <limits.h>
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#include <sys/types.h>
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#include "../include/sane/sane.h"
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#undef BACKEND_NAME
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#define BACKEND_NAME hp
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#define DEBUG_NOT_STATIC
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#include "../include/sane/sanei_debug.h"
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/* FIXME: these should be options? */
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#undef ENABLE_7x12_TONEMAPS
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#define ENABLE_16x16_DITHERS
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#define ENABLE_10BIT_MATRIXES
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#define FAKE_COLORSEP_MATRIXES
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#undef ENABLE_CUSTOM_MATRIX
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#define HP_CONFIG_FILE STRINGIFY(BACKEND_NAME) ".conf"
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#define DEVPIX_PER_INCH 300.0
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#define MM_PER_DEVPIX (MM_PER_INCH / DEVPIX_PER_INCH)
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/*
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* Macros for testing return values of functions which
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* return SANE_Status types.
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*/
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#define FAILED(status) (status != SANE_STATUS_GOOD)
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#define UNSUPPORTED(status) (status == SANE_STATUS_UNSUPPORTED)
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#define RETURN_IF_FAIL(try) do { \
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SANE_Status status = (try); \
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if (FAILED(status)) \
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return status; \
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} while (0)
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#define CATCH_RET_FAIL(try, catch) do { \
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SANE_Status status = (try); \
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if (FAILED(status)) { (catch); return status; } \
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} while (0)
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#ifndef DBG_LEVEL
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#define DBG_LEVEL PASTE(sanei_debug_, BACKEND_NAME)
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#endif
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#ifndef NDEBUG
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# define DBGDUMP(level, buf, size) \
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do { if (DBG_LEVEL >= (level)) sanei_hp_dbgdump(buf, size); } while (0)
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#else
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# define DBGDUMP(level, buf, size)
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#endif
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/*
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*
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*/
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typedef unsigned int hp_bool_t;
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typedef unsigned char hp_byte_t;
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typedef enum { HP_CONNECT_SCSI, HP_CONNECT_DEVICE,
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HP_CONNECT_PIO, HP_CONNECT_USB, HP_CONNECT_RESERVE } HpConnect;
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typedef struct
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{
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HpConnect connect;
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hp_bool_t got_connect_type;
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hp_bool_t use_scsi_request;
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hp_bool_t use_image_buffering;
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hp_bool_t dumb_read;
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} HpDeviceConfig;
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#define HP_SCL_INQID_MIN 10306
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#define HP_SCL_INQID_MAX 10971
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typedef struct
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{
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hp_bool_t checked, is_supported;
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int minval, maxval;
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} HpSclSupport;
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typedef struct
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{ /* Flags for simulated commands */
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hp_bool_t sclsimulate[HP_SCL_INQID_MAX - HP_SCL_INQID_MIN + 1];
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hp_bool_t gamma_simulate;
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unsigned char brightness_map[256]; /* Map to simulate brightness level */
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unsigned char contrast_map[256]; /* Map to simulate contrast level */
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unsigned char gamma_map[256]; /* Map to simulate custom gamma table */
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} HpSimulate;
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/* Information about a connected device */
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typedef struct
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{
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char devname[64]; /* unique device name */
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hp_bool_t config_is_up; /* flag if config-struct is valid */
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HpDeviceConfig config; /* device configuration*/
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/* List of command support */
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HpSclSupport sclsupport[HP_SCL_INQID_MAX - HP_SCL_INQID_MIN + 1];
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HpSimulate simulate; /* Info about simulations */
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hp_bool_t unload_after_scan;
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int active_xpa;
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int max_model;
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} HpDeviceInfo;
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HpDeviceInfo *sanei_hp_device_info_get (const char *dev_name);
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/* hp-scl.c */
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#if INT_MAX > 30000
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typedef int HpScl;
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#else
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typedef long int HpScl;
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#endif
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void sanei_hp_init_openfd (void);
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typedef struct
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{
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int lines;
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int bytes_per_line; /* as received from scanner */
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int bits_per_channel;
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hp_bool_t out8; /* This flag is set and only set, when data with */
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/* depths > 8 is to be mapped to 8 bit output. */
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hp_bool_t mirror_vertical;
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hp_bool_t invert;
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HpScl startscan;
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} HpProcessData;
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/* hp-option.c */
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typedef SANE_Option_Descriptor * HpSaneOption;
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typedef const struct hp_choice_s * HpChoice;
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typedef struct hp_option_s * HpOption;
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typedef const struct hp_option_descriptor_s * HpOptionDescriptor;
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typedef struct hp_optset_s * HpOptSet;
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/* hp-accessor.c */
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typedef struct hp_data_s * HpData;
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typedef struct hp_accessor_s * HpAccessor;
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typedef struct hp_accessor_vector_s * HpAccessorVector;
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typedef struct hp_accessor_choice_s * HpAccessorChoice;
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/* hp-device.c */
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typedef struct hp_device_s * HpDevice;
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hp_bool_t sanei_hp_device_simulate_get (const char *devname, HpScl scl);
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HpDevice sanei_hp_device_get (const char *dev_name);
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/* hp-handle.c */
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typedef struct hp_handle_s * HpHandle;
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/* hp-scsi.c */
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typedef struct hp_scsi_s * HpScsi;
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/* hp-scl.c */
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hp_bool_t sanei_hp_is_active_xpa (HpScsi scsi);
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int sanei_hp_get_max_model (HpScsi scsi);
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int sanei_hp_is_flatbed_adf (HpScsi scsi);
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HpConnect sanei_hp_get_connect (const char *devname);
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HpConnect sanei_hp_scsi_get_connect (HpScsi this);
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/* hp.c */
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#ifndef NDEBUG
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void sanei_hp_dbgdump (const void * bufp, size_t len);
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#endif
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/* hp-hpmem.c */
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void * sanei_hp_alloc(size_t sz);
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void * sanei_hp_allocz(size_t sz);
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void * sanei_hp_memdup(const void * src, size_t sz);
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char * sanei_hp_strdup(const char * str);
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void * sanei_hp_realloc(void * ptr, size_t sz);
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void sanei_hp_free(void * ptr);
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void sanei_hp_free_all(void);
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#endif /* HP_H_INCLUDED */
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