Initial import of sane-backends version 1.0.24-1.2

1 files changed, 330 insertions, 0 deletions

diff --git a/backend/ricoh.h b/backend/ricoh.h
new file mode 100644
index 0000000..f9bb36e
--- /dev/null
+++ b/backend/ricoh.h
@@ -0,0 +1,330 @@
+/* sane - Scanner Access Now Easy.
+   Copyright (C) 1998, Feico W. Dillema
+   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 ricoh_h
+#define ricoh_h 1
+
+#include <sys/types.h>
+
+#include "../include/sane/config.h"
+
+/* defines for scan_image_mode field */
+#define RICOH_BINARY_MONOCHROME   0
+#define RICOH_DITHERED_MONOCHROME 1
+#define RICOH_GRAYSCALE           2
+
+/* sizes for mode parameter's base_measurement_unit */
+#define INCHES                    0
+#define MILLIMETERS               1
+#define POINTS                    2
+#define DEFAULT_MUD               1200
+#define MEASUREMENTS_PAGE         (SANE_Byte)(0x03)
+
+/* Mode Page Control */
+#define PC_CURRENT 0x00
+#define PC_CHANGE  0x40
+#define PC_DEFAULT 0x80
+#define PC_SAVED   0xc0
+
+static const SANE_String_Const mode_list[] =
+  {
+    SANE_VALUE_SCAN_MODE_LINEART,
+    SANE_VALUE_SCAN_MODE_HALFTONE,
+    SANE_VALUE_SCAN_MODE_GRAY,
+    0
+  };
+
+static const SANE_Range u8_range =
+  {
+      0,				/* minimum */
+    255,				/* maximum */
+      0				        /* quantization */
+  };
+static const SANE_Range is50_res_range =
+  {
+     75,                                /* minimum */
+    400,                                /* maximum */
+      0                                 /* quantization */
+  };
+
+static const SANE_Range is60_res_range =
+  {
+    100,				/* minimum */
+    600,				/* maximum */
+      0				        /* quantization */
+  };
+
+static const SANE_Range default_x_range =
+  {
+    0,				        /* minimum */
+    (SANE_Word) (8 * DEFAULT_MUD),	/* maximum */
+    2				        /* quantization */
+  };
+
+static const SANE_Range default_y_range =
+  {
+    0,				        /* minimum */
+    (SANE_Word) (14 * DEFAULT_MUD),	/* maximum */
+    2				        /* quantization */
+  };
+
+
+
+static inline void
+_lto2b(SANE_Int val, SANE_Byte *bytes)
+{
+
+        bytes[0] = (val >> 8) & 0xff;
+        bytes[1] = val & 0xff;
+}
+
+static inline void
+_lto3b(SANE_Int val, SANE_Byte *bytes)
+{
+
+        bytes[0] = (val >> 16) & 0xff;
+        bytes[1] = (val >> 8) & 0xff;
+        bytes[2] = val & 0xff;
+}
+
+static inline void
+_lto4b(SANE_Int val, SANE_Byte *bytes)
+{
+
+        bytes[0] = (val >> 24) & 0xff;
+        bytes[1] = (val >> 16) & 0xff;
+        bytes[2] = (val >> 8) & 0xff;
+        bytes[3] = val & 0xff;
+}
+
+static inline SANE_Int
+_2btol(SANE_Byte *bytes)
+{
+        SANE_Int rv;
+
+        rv = (bytes[0] << 8) |
+             bytes[1];
+        return (rv);
+}
+
+static inline SANE_Int
+_3btol(SANE_Byte *bytes)
+{
+        SANE_Int rv;
+
+        rv = (bytes[0] << 16) |
+             (bytes[1] << 8) |
+             bytes[2];
+        return (rv);
+}
+
+static inline SANE_Int
+_4btol(SANE_Byte *bytes)
+{
+        SANE_Int rv;
+
+        rv = (bytes[0] << 24) |
+             (bytes[1] << 16) |
+             (bytes[2] << 8) |
+             bytes[3];
+        return (rv);
+}
+
+typedef enum 
+  {
+    OPT_NUM_OPTS = 0,
+
+    OPT_MODE_GROUP,
+    OPT_MODE,
+    OPT_X_RESOLUTION,
+    OPT_Y_RESOLUTION,
+
+    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_ENHANCEMENT_GROUP,
+    OPT_BRIGHTNESS,
+    OPT_CONTRAST,
+
+    /* must come last: */
+    NUM_OPTIONS
+  }
+Ricoh_Option;
+
+typedef struct Ricoh_Info
+  {
+    SANE_Range xres_range;
+    SANE_Range yres_range;
+    SANE_Range x_range;
+    SANE_Range y_range;
+    SANE_Range brightness_range;
+    SANE_Range contrast_range;
+
+    SANE_Int xres_default;
+    SANE_Int yres_default;
+    SANE_Int image_mode_default;
+    SANE_Int brightness_default;
+    SANE_Int contrast_default;
+
+    SANE_Int bmu;
+    SANE_Int mud;
+  }
+Ricoh_Info;
+
+typedef struct Ricoh_Device
+  {
+    struct Ricoh_Device *next;
+    SANE_Device sane;
+    Ricoh_Info info;
+  }
+Ricoh_Device;
+
+typedef struct Ricoh_Scanner
+  {
+    /* all the state needed to define a scan request: */
+    struct Ricoh_Scanner *next;
+    int fd;			/* SCSI filedescriptor */
+
+    SANE_Option_Descriptor opt[NUM_OPTIONS];
+    Option_Value val[NUM_OPTIONS];
+    SANE_Parameters params;
+    /* scanner dependent/low-level state: */
+    Ricoh_Device *hw;
+
+    SANE_Int xres;
+    SANE_Int yres;
+    SANE_Int ulx;
+    SANE_Int uly;
+    SANE_Int width;
+    SANE_Int length;
+    SANE_Int brightness;
+    SANE_Int contrast;
+    SANE_Int image_composition;
+    SANE_Int bpp;
+    SANE_Bool reverse;
+
+    size_t bytes_to_read;
+    int scanning;
+  }
+Ricoh_Scanner;
+
+struct inquiry_data {
+        SANE_Byte devtype;
+        SANE_Byte byte2;
+        SANE_Byte byte3;
+        SANE_Byte byte4;
+        SANE_Byte byte5;
+        SANE_Byte res1[2];
+        SANE_Byte flags;
+        SANE_Byte vendor[8];
+        SANE_Byte product[8];
+        SANE_Byte revision[4];
+        SANE_Byte byte[60];
+};
+
+#define RICOH_WINDOW_DATA_SIZE 328
+struct ricoh_window_data {
+        /* header */
+        SANE_Byte reserved[6];
+        SANE_Byte len[2];
+        /* data */
+        SANE_Byte window_id;         /* must be zero */
+        SANE_Byte auto_bit;
+        SANE_Byte x_res[2];
+        SANE_Byte y_res[2];
+        SANE_Byte x_org[4];
+        SANE_Byte y_org[4];
+        SANE_Byte width[4];
+        SANE_Byte length[4];
+        SANE_Byte brightness;
+        SANE_Byte threshold;
+        SANE_Byte contrast;
+        SANE_Byte image_comp;        /* image composition (data type) */
+        SANE_Byte bits_per_pixel;
+        SANE_Byte halftone_pattern[2];
+        SANE_Byte pad_type;
+        SANE_Byte bit_ordering[2];
+        SANE_Byte compression_type;
+        SANE_Byte compression_arg;
+        SANE_Byte res3[6];
+
+        /* Vendor Specific parameter byte(s) */
+        /* Ricoh specific, follow the scsi2 standard ones */
+        SANE_Byte byte1;
+        SANE_Byte byte2;
+        SANE_Byte mrif_filtering_gamma_id;
+        SANE_Byte byte3;
+        SANE_Byte byte4;
+        SANE_Byte binary_filter;
+        SANE_Byte reserved2[18];
+
+        SANE_Byte reserved3[256];
+};
+
+struct measurements_units_page {
+        SANE_Byte page_code; /* 0x03 */
+        SANE_Byte parameter_length; /* 0x06 */
+        SANE_Byte bmu;
+        SANE_Byte res1;
+        SANE_Byte mud[2];
+        SANE_Byte res2[2];  /* anybody know what `COH' may mean ??? */
+#if 0
+        SANE_Byte more_pages[243]; /* maximum size 255 bytes (incl header) */
+#endif
+};
+
+struct mode_pages {
+        SANE_Byte page_code; 
+        SANE_Byte parameter_length;
+        SANE_Byte rest[6];
+#if 0
+        SANE_Byte more_pages[243]; /* maximum size 255 bytes (incl header) */
+#endif
+};
+
+
+#endif /* ricoh_h */