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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
commit6e9c41a892ed0e0da326e0278b3221ce3f5713b8 (patch)
tree2e301d871bbeeb44aa57ff9cc070fcf3be484487 /backend/mustek_pp.h
Initial import of sane-backends version 1.0.24-1.2
Diffstat (limited to 'backend/mustek_pp.h')
-rw-r--r--backend/mustek_pp.h286
1 files changed, 286 insertions, 0 deletions
diff --git a/backend/mustek_pp.h b/backend/mustek_pp.h
new file mode 100644
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+++ 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 */