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Diffstat (limited to 'backend/rts8891.h')
| -rw-r--r-- | backend/rts8891.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/backend/rts8891.h b/backend/rts8891.h new file mode 100644 index 0000000..5fbf8b5 --- /dev/null +++ b/backend/rts8891.h @@ -0,0 +1,155 @@ +/* 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 */ |