Initial import of sane-backends version 1.0.24-1.2

1 files changed, 125 insertions, 0 deletions

diff --git a/backend/dmc.h b/backend/dmc.h
new file mode 100644
index 0000000..aa866bc
--- /dev/null
+++ b/backend/dmc.h
@@ -0,0 +1,125 @@
+/* sane - Scanner Access Now Easy.
+   Copyright (C) 1998 David F. Skoll
+   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 polaroid_dmc_h
+#define polaroid_dmc_h
+
+#include <sys/types.h>
+
+#define BYTES_PER_RAW_LINE 1599
+
+typedef enum {
+    OPT_NUM_OPTS = 0,
+
+    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_MODE_GROUP,		/* Image acquisition mode */
+    OPT_IMAGE_MODE,		/* Thumbnail, center cut or MFI'd image */
+    OPT_ASA,			/* ASA Settings */
+    OPT_SHUTTER_SPEED,		/* Shutter speed */
+    OPT_WHITE_BALANCE,		/* White balance */
+
+    /* must come last: */
+    NUM_OPTIONS
+} DMC_Option;
+
+typedef struct DMC_Device {
+    struct DMC_Device *next;
+    SANE_Device sane;
+    SANE_Range shutterSpeedRange;
+    unsigned int shutterSpeed;
+    int asa;
+    int whiteBalance;
+} DMC_Device;
+
+typedef struct DMC_Camera {
+    /* all the state needed to define a scan request: */
+    struct DMC_Camera *next;
+
+    SANE_Option_Descriptor opt[NUM_OPTIONS];
+    Option_Value val[NUM_OPTIONS];
+
+    SANE_Parameters params;
+    size_t bytes_to_read;
+
+    SANE_Range tl_x_range;
+    SANE_Range tl_y_range;
+    SANE_Range br_x_range;
+    SANE_Range br_y_range;
+
+    int imageMode;
+
+    /* The DMC needs certain reads to be done in one chunk, meaning
+       we might have to buffer them. */
+    char *readBuffer;
+    char *readPtr;
+    int inViewfinderMode;
+    int fd;			/* SCSI filedescriptor */
+    SANE_Byte currentRawLine[BYTES_PER_RAW_LINE];
+    SANE_Byte nextRawLine[BYTES_PER_RAW_LINE];
+    int nextRawLineValid;
+
+    /* scanner dependent/low-level state: */
+    DMC_Device *hw;
+} DMC_Camera;
+
+/* We only support the following four imaging modes */
+#define IMAGE_MFI        0x0000 /* 801x600 filtered image   */
+#define IMAGE_VIEWFINDER 0x0001 /* 270x201 viewfinder image */
+#define IMAGE_RAW        0x0002 /* 1599x600 raw image       */
+#define IMAGE_THUMB      0x0003 /* 80x60 thumbnail image    */
+#define IMAGE_SUPER_RES  0x0004
+#define NUM_IMAGE_MODES  5
+
+#define ASA_25  0
+#define ASA_50  1
+#define ASA_100 2
+
+#define WHITE_BALANCE_DAYLIGHT 0
+#define WHITE_BALANCE_INCANDESCENT 1
+#define WHITE_BALANCE_FLUORESCENT 2
+
+#endif /* polaroid_dmc_h */