Initial import of sane-backends version 1.0.24-1.2

1 files changed, 286 insertions, 0 deletions

diff --git a/backend/mustek_pp.h b/backend/mustek_pp.h
new file mode 100644
index 0000000..19f1765
--- /dev/null
+++ b/backend/mustek_pp.h
@@ -0,0 +1,286 @@
+/* sane - Scanner Access Now Easy.
+   Copyright (C) 2000-2003 Jochen Eisinger <jochen.eisinger@gmx.net>
+   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.  */
+
+#ifndef mustek_pp_h
+#define mustek_pp_h
+
+#if defined(HAVE_SYS_TYPES_H)
+# include <sys/types.h>
+#endif
+#if defined(HAVE_SYS_TIME_H)
+# include <sys/time.h>
+#endif
+   
+#define DEBUG_NOT_STATIC
+#include "../include/sane/sanei_debug.h"
+
+/* Please note: ASSERT won't go away if you define NDEBUG, it just won't
+ * output a message when ASSERT failes. So if "cond" does anything, it will
+ * be executed, even if NDEBUG is defined... 
+ */
+#define	ASSERT(cond, retval)	do { 					\
+				if (!(cond)) { 				\
+					DBG(2, "assertion %s failed\n",	\
+					STRINGIFY(cond));		\
+					if (retval >= 0)		\
+						return retval;		\
+					else				\
+						return;			\
+				}					\
+				}
+
+/* This macro uses a otherwise unused argument */
+#if defined(__GNUC__)
+# define __UNUSED__	__attribute__ ((unused))
+#else
+# define __UNUSED__
+#endif
+
+
+/* the function init uses this callback to register a device to the backend */
+typedef SANE_Status (*SANE_Attach_Callback) (SANE_String_Const port, SANE_String_Const name,
+						SANE_Int driver, SANE_Int info);
+
+typedef struct {
+
+	const char		*driver;
+	const char		*author;
+	const char		*version;
+
+	/* this function detects the presence of a scanner at the
+	 * given location */
+	SANE_Status		(*init)(SANE_Int options,
+					SANE_String_Const port,
+					SANE_String_Const name,
+					SANE_Attach_Callback attach);
+	/* this function returns the informationen needed to set up
+	 * the device entry. the info parameter is passed from
+	 * init to the attach_callback to this function, to
+	 * help to identify the device, before it is registered
+	 */
+	void			(*capabilities)(SANE_Int info,
+						SANE_String *model,
+						SANE_String *vendor,
+						SANE_String *type,
+						SANE_Int *maxres,
+						SANE_Int *minres,
+						SANE_Int *maxhsize,
+						SANE_Int *maxvsize,
+						SANE_Int *caps);
+
+	/* tries to open the given device. returns a fd on success */
+	SANE_Status		(*open)(SANE_String port, SANE_Int caps, SANE_Int *fd);
+
+	/* start scanning session */
+	void			(*setup)(SANE_Handle hndl);
+
+        /* processes a configuration option */
+        SANE_Status		(*config)(SANE_Handle hndl, 
+					  SANE_String_Const optname,
+                                          SANE_String_Const optval);
+
+	/* stop scanning session */
+	void			(*close)(SANE_Handle hndl);
+
+	/* start actuall scan */
+	SANE_Status		(*start)(SANE_Handle hndl);
+
+	/* read data (one line) */
+	void			(*read)(SANE_Handle hndl, SANE_Byte *buffer);
+
+	/* stop scanner and return scanhead home */
+	void			(*stop)(SANE_Handle hndl);
+
+} Mustek_pp_Functions;
+
+/* Drivers */
+
+
+
+#define MUSTEK_PP_NUM_DRIVERS	((int)(sizeof(Mustek_pp_Drivers) / \
+				sizeof(Mustek_pp_Functions)))
+
+#define	CAP_NOTHING		0
+#define CAP_GAMMA_CORRECT	1
+#define CAP_INVERT		2
+#define	CAP_SPEED_SELECT	4
+#define CAP_LAMP_OFF		8
+#define CAP_TA			16
+#define CAP_DEPTH		32
+
+/* Structure for holding name/value options from the configuration file */
+typedef struct Mustek_pp_config_option {
+
+   SANE_String name;
+   SANE_String value;
+   
+} Mustek_pp_config_option;
+
+typedef struct Mustek_pp_Device {
+
+	struct Mustek_pp_Device	*next;
+
+	SANE_Device		sane;
+
+	/* non-const copy of SANE_Device */
+	SANE_String		name, vendor, model, type;
+
+	/* port */
+	SANE_String		port;
+
+	/* part describing hardware capabilities */
+	int			minres;
+	int			maxres;
+	int			maxhsize;
+	int			maxvsize;
+	int			caps;
+
+	/* functions */
+	Mustek_pp_Functions	*func;
+        
+        /* Modified by EDG: device identification is needed to initialize
+           private device descriptor */
+        SANE_Int 		info;
+        
+        /* Array of configuration file options */
+        int			numcfgoptions;
+        Mustek_pp_config_option *cfgoptions;
+
+} Mustek_pp_Device;
+
+#define STATE_IDLE		0
+#define	STATE_CANCELLED		1
+#define STATE_SCANNING		2
+
+#define MODE_BW			0
+#define MODE_GRAYSCALE		1
+#define MODE_COLOR		2
+
+#define SPEED_SLOWEST		0
+#define SPEED_SLOWER		1
+#define SPEED_NORMAL		2
+#define SPEED_FASTER		3
+#define SPEED_FASTEST		4
+
+
+enum Mustek_pp_Option
+{
+  OPT_NUM_OPTS = 0,
+
+  OPT_MODE_GROUP,
+  OPT_MODE,
+  OPT_DEPTH,
+  OPT_RESOLUTION,
+  OPT_PREVIEW,
+  OPT_GRAY_PREVIEW,
+  OPT_SPEED,
+
+  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_INVERT,
+
+  OPT_CUSTOM_GAMMA,		/* use custom gamma tables? */
+  /* The gamma vectors MUST appear in the order gray, red, green,
+     blue.  */
+  OPT_GAMMA_VECTOR,
+  OPT_GAMMA_VECTOR_R,
+  OPT_GAMMA_VECTOR_G,
+  OPT_GAMMA_VECTOR_B,
+
+  /* must come last: */
+  NUM_OPTIONS
+};
+
+
+typedef struct Mustek_pp_Handle {
+
+	struct Mustek_pp_Handle	*next;
+
+	
+	
+	Mustek_pp_Device	*dev;
+
+	int			fd;
+
+	int			reader;
+	int			pipe;
+
+	int			state;
+	
+	int			topX, topY;
+	int			bottomX, bottomY;
+	int			mode;
+	int			res;
+
+	/* gamma table, etc... */
+	SANE_Int		gamma_table[4][256];
+	int			do_gamma;
+	int			invert;
+	int			use_ta;
+	int			depth;
+	int			speed;
+	
+	/* current parameters */
+	SANE_Parameters params;
+
+	SANE_Range dpi_range;
+	SANE_Range x_range;
+	SANE_Range y_range;
+	SANE_Range gamma_range;
+  
+	/* options */
+	SANE_Option_Descriptor	opt[NUM_OPTIONS];
+	Option_Value		val[NUM_OPTIONS];
+
+
+	time_t			lamp_on;
+
+	void			*priv;
+	
+} Mustek_pp_Handle;
+
+#endif /* mustek_pp_h */