Imported Upstream version 1.0.25upstream/1.0.25

1 files changed, 199 insertions, 0 deletions

diff --git a/backend/epsonds.h b/backend/epsonds.h
new file mode 100644
index 0000000..024773b
--- /dev/null
+++ b/backend/epsonds.h
@@ -0,0 +1,199 @@
+/*
+ * epsonds.c - 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.
+ */
+
+#ifndef epsonds_h
+#define epsonds_h
+
+#undef BACKEND_NAME
+#define BACKEND_NAME epsonds
+#define DEBUG_NOT_STATIC
+
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#ifdef HAVE_STDDEF_H
+#include <stddef.h>
+#endif
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#ifdef NEED_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#include <string.h> /* for memset and memcpy */
+#include <stdio.h>
+
+#include "sane/sane.h"
+#include "sane/sanei_backend.h"
+#include "sane/sanei_debug.h"
+#include "sane/sanei_usb.h"
+#include "sane/sanei_jpeg.h"
+
+#ifdef __GNUC__
+#define __func__ __FUNCTION__
+#else
+#define __func__ "(undef)"
+/* I cast my vote for C99... :) */
+#endif
+
+#define EPSONDS_CONFIG_FILE "epsonds.conf"
+
+#ifndef PATH_MAX
+#define PATH_MAX (1024)
+#endif
+
+#ifndef XtNumber
+#define XtNumber(x)  (sizeof(x) / sizeof(x[0]))
+#define XtOffset(p_type, field)  ((size_t)&(((p_type)NULL)->field))
+#define XtOffsetOf(s_type, field)  XtOffset(s_type*, field)
+#endif
+
+#define ACK	0x06
+#define NAK	0x15
+#define	FS	0x1C
+
+#define FBF_STR SANE_I18N("Flatbed")
+#define TPU_STR SANE_I18N("Transparency Unit")
+#define ADF_STR SANE_I18N("Automatic Document Feeder")
+
+enum {
+	OPT_NUM_OPTS = 0,
+	OPT_MODE_GROUP,
+	OPT_MODE,
+	OPT_DEPTH,
+	OPT_RESOLUTION,
+	OPT_GEOMETRY_GROUP,
+	OPT_TL_X,
+	OPT_TL_Y,
+	OPT_BR_X,
+	OPT_BR_Y,
+	OPT_EQU_GROUP,
+	OPT_SOURCE,
+	OPT_EJECT,
+	OPT_LOAD,
+	OPT_ADF_MODE,
+	OPT_ADF_SKEW,
+	NUM_OPTIONS
+};
+
+typedef enum
+{	/* hardware connection to the scanner */
+	SANE_EPSONDS_NODEV,	/* default, no HW specified yet */
+	SANE_EPSONDS_USB,	/* USB interface */
+	SANE_EPSONDS_NET	/* network interface (unsupported)*/
+} epsonds_conn_type;
+
+/* hardware description */
+
+struct epsonds_device
+{
+	struct epsonds_device *next;
+
+	epsonds_conn_type connection;
+
+	char *name;
+	char *model;
+
+	unsigned int model_id;
+
+	SANE_Device sane;
+	SANE_Range *x_range;
+	SANE_Range *y_range;
+	SANE_Range dpi_range;
+	SANE_Byte alignment;
+
+
+	SANE_Int *res_list;		/* list of resolutions */
+	SANE_Int *depth_list;
+	SANE_Int max_depth;		/* max. color depth */
+
+	SANE_Bool has_raw;		/* supports RAW format */
+
+	SANE_Bool has_fb;		/* flatbed */
+	SANE_Range fbf_x_range;	        /* x range */
+	SANE_Range fbf_y_range;	        /* y range */
+	SANE_Byte fbf_alignment;	/* left, center, right */
+	SANE_Bool fbf_has_skew;		/* supports skew correction */
+
+	SANE_Bool has_adf;		/* adf */
+	SANE_Range adf_x_range;	        /* x range */
+	SANE_Range adf_y_range;	        /* y range */
+	SANE_Bool adf_is_duplex;	/* supports duplex mode */
+	SANE_Bool adf_singlepass;	/* supports single pass duplex */
+	SANE_Bool adf_has_skew;		/* supports skew correction */
+	SANE_Bool adf_has_load;		/* supports load command */
+	SANE_Bool adf_has_eject;	/* supports eject command */
+	SANE_Byte adf_alignment;	/* left, center, right */
+	SANE_Byte adf_has_dfd;		/* supports double feed detection */
+
+	SANE_Bool has_tpu;		/* tpu */
+	SANE_Range tpu_x_range;	        /* transparency unit x range */
+	SANE_Range tpu_y_range;	        /* transparency unit y range */
+};
+
+typedef struct epsonds_device epsonds_device;
+
+typedef struct ring_buffer
+{
+	SANE_Byte *ring, *wp, *rp, *end;
+	SANE_Int fill, size;
+
+} ring_buffer;
+
+/* an instance of a scanner */
+
+struct epsonds_scanner
+{
+	struct epsonds_scanner *next;
+	struct epsonds_device *hw;
+
+	int fd;
+
+	SANE_Option_Descriptor opt[NUM_OPTIONS];
+	Option_Value val[NUM_OPTIONS];
+	SANE_Parameters params;
+
+	SANE_Byte *buf, *line_buffer;
+	ring_buffer *current, front, back;
+
+	SANE_Bool eof, scanning, canceling, locked, backside, mode_jpeg;
+
+	SANE_Int left, top, pages, dummy;
+
+	/* jpeg stuff */
+
+	djpeg_dest_ptr jdst;
+	struct jpeg_decompress_struct jpeg_cinfo;
+	struct jpeg_error_mgr jpeg_err;
+	SANE_Bool jpeg_header_seen;
+};
+
+typedef struct epsonds_scanner epsonds_scanner;
+
+struct mode_param
+{
+	int color;
+	int flags;
+	int dropout_mask;
+	int depth;
+};
+
+enum {
+	MODE_BINARY, MODE_GRAY, MODE_COLOR
+};
+
+#endif