sane-project-backends/backend/epsonds-ops.h

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1.8 KiB
C
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/*
* epsonds-ops.h - Epson ESC/I-2 driver.
*
* Copyright (C) 2015 Tower Technologies
* Author: Alessandro Zummo <a.zummo@towertech.it>
*
* 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, version 2.
*/
#define e2_model(s,m) e2_dev_model((s)->hw,(m))
extern void eds_dev_init(epsonds_device *dev);
extern SANE_Status eds_dev_post_init(struct epsonds_device *dev);
extern SANE_Status eds_add_resolution(epsonds_device *dev, int r);
extern SANE_Status eds_set_resolution_range(epsonds_device *dev, int min, int max);
extern void eds_set_fbf_area(epsonds_device *dev, int x, int y, int unit);
extern void eds_set_adf_area(epsonds_device *dev, int x, int y, int unit);
extern void eds_set_tpu_area(epsonds_device *dev, int x, int y, int unit);
extern SANE_Status eds_add_depth(epsonds_device *dev, SANE_Word depth);
extern SANE_Status eds_discover_capabilities(epsonds_scanner *s);
extern SANE_Status eds_set_extended_scanning_parameters(epsonds_scanner *s);
extern SANE_Status eds_set_scanning_parameters(epsonds_scanner *s);
extern void eds_setup_block_mode(epsonds_scanner *s);
extern SANE_Status eds_init_parameters(epsonds_scanner *s);
extern void eds_copy_image_from_ring(epsonds_scanner *s, SANE_Byte *data, SANE_Int max_length,
SANE_Int *length);
extern SANE_Status eds_ring_init(ring_buffer *ring, SANE_Int size);
extern SANE_Status eds_ring_write(ring_buffer *ring, SANE_Byte *buf, SANE_Int size);
extern SANE_Int eds_ring_read(ring_buffer *ring, SANE_Byte *buf, SANE_Int size);
extern SANE_Int eds_ring_skip(ring_buffer *ring, SANE_Int size);
extern SANE_Int eds_ring_avail(ring_buffer *ring);
extern void eds_ring_flush(ring_buffer *ring) ;