Initial import of sane-backends version 1.0.24-1.2

1 files changed, 155 insertions, 0 deletions

diff --git a/backend/rts8891.h b/backend/rts8891.h
new file mode 100644
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--- /dev/null
+++ b/backend/rts8891.h
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+/* sane - Scanner Access Now Easy.
+
+   Copyright (C) 2007-2012 stef.dev@free.fr
+   
+   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 RTS8891_H
+#define RTS8891_H
+
+#define ENABLE(OPTION)  s->opt[OPTION].cap &= ~SANE_CAP_INACTIVE
+#define DISABLE(OPTION) s->opt[OPTION].cap |=  SANE_CAP_INACTIVE
+#define IS_ACTIVE(OPTION) (((s->opt[OPTION].cap) & SANE_CAP_INACTIVE) == 0)
+
+#define RTS8891_CONFIG_FILE "rts8891.conf"
+
+#ifndef SANE_I18N
+#define SANE_I18N(text) text
+#endif /*  */
+
+#define COLOR_MODE              SANE_VALUE_SCAN_MODE_COLOR
+#define GRAY_MODE               SANE_VALUE_SCAN_MODE_GRAY
+#define LINEART_MODE            SANE_VALUE_SCAN_MODE_LINEART
+
+/* preferred number of bytes to keep in buffer */
+#define PREFERED_BUFFER_SIZE 2097152	/* all scanner memory */
+
+/** List of SANE options
+ */
+enum Rts8891_Option
+{ OPT_NUM_OPTS = 0,
+  OPT_STANDARD_GROUP,
+  OPT_MODE,
+  OPT_PREVIEW,
+  OPT_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 */
+
+  /* advanced image enhancement options */
+  OPT_ENHANCEMENT_GROUP,
+  OPT_THRESHOLD,
+  OPT_CUSTOM_GAMMA,		/* toggle to enable custom gamma tables */
+  OPT_GAMMA_VECTOR,
+  OPT_GAMMA_VECTOR_R,
+  OPT_GAMMA_VECTOR_G,
+  OPT_GAMMA_VECTOR_B,
+
+  /* advanced options */
+  OPT_ADVANCED_GROUP,
+  OPT_LAMP_ON,
+  OPT_LAMP_OFF,
+
+  /* button group */
+  OPT_SENSOR_GROUP,
+  OPT_BUTTON_1,
+  OPT_BUTTON_2,
+  OPT_BUTTON_3,
+  OPT_BUTTON_4,
+  OPT_BUTTON_5,
+  OPT_BUTTON_6,
+  OPT_BUTTON_7,
+  OPT_BUTTON_8,
+  OPT_BUTTON_9,
+  OPT_BUTTON_10,
+  OPT_BUTTON_11,
+  /* must come last: */
+  NUM_OPTIONS
+};
+
+/**
+ * enumeration of configuration options
+ */
+enum Rts8891_Configure_Option
+{
+  CFG_MODEL_NUMBER = 0,		/* first option number must be zero */
+  CFG_SENSOR_NUMBER,		
+  CFG_ALLOW_SHARING,
+  NUM_CFG_OPTIONS		/* MUST be last */
+};
+
+/** Scanner object. This struct holds informations usefull for
+ * the functions defined in SANE's standard. Informations closer 
+ * to the hardware are in the Rts8891_Device structure. There is
+ * as many session structure than frontends using the scanner.
+ */
+typedef struct Rts8891_Session
+{
+
+  /**< Next handle in linked list */
+  struct Rts8891_Session *next;
+
+  /**< Low-level device object */
+  struct Rts8891_Device *dev;
+
+  /* SANE data */
+
+  /**< We are currently scanning */
+  SANE_Bool scanning;
+  /**< Data read is in non blocking mode */
+  SANE_Bool non_blocking;
+  /**< Gray scans are emulated */
+  SANE_Bool emulated_gray;
+  SANE_Option_Descriptor opt[NUM_OPTIONS];
+					   /**< Option descriptors */
+  Option_Value val[NUM_OPTIONS];	   /**< Option values */
+  SANE_Parameters params;		   /**< SANE Parameters */
+
+   /**< bytes to send to frontend for the scan */
+  SANE_Int to_send;
+
+   /**< bytes currently sent to frontend during the scan */
+  SANE_Int sent;
+} Rts8891_Session;
+
+#endif /* not RTS8891_H */