dlls/sane.ds/unixlib.h

   1 /*
   2  * Unix library interface for SANE
   3  *
   4  * Copyright 2000 Corel Corporation
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include "windef.h"
  23 #include "winternl.h"
  24 #include "wine/unixlib.h"
  25 #include "twain.h"
  26
  27 struct frame_parameters
  28 {
  29     enum { FMT_GRAY, FMT_RGB, FMT_OTHER } format;
  30     BOOL last_frame;
  31     int  bytes_per_line;
  32     int  pixels_per_line;
  33     int  lines;
  34     int  depth;
  35 };
  36
  37 struct option_descriptor
  38 {
  39     int optno;
  40     int size;
  41     int is_active;
  42     enum { TYPE_BOOL, TYPE_INT, TYPE_FIXED, TYPE_STRING, TYPE_BUTTON, TYPE_GROUP } type;
  43     enum { UNIT_NONE, UNIT_PIXEL, UNIT_BIT, UNIT_MM, UNIT_DPI, UNIT_PERCENT, UNIT_MICROSECOND } unit;
  44     enum { CONSTRAINT_NONE, CONSTRAINT_RANGE, CONSTRAINT_WORD_LIST, CONSTRAINT_STRING_LIST } constraint_type;
  45
  46     WCHAR title[256];
  47
  48     union
  49     {
  50         WCHAR strings[256];
  51         int word_list[256];     /* first element is list-length */
  52         struct { int min, max, quant; } range;
  53     } constraint;
  54 };
  55
  56 struct read_data_params
  57 {
  58     void        *buffer;
  59     int          len;
  60     int         *retlen;
  61 };
  62
  63 struct option_get_value_params
  64 {
  65     int          optno;
  66     void        *val;
  67 };
  68
  69 struct option_set_value_params
  70 {
  71     int          optno;
  72     void        *val;
  73     BOOL        *reload;
  74 };
  75
  76 struct option_find_descriptor_params
  77 {
  78     const char *name;
  79     int         type;
  80     struct option_descriptor *descr;
  81 };
  82
  83 enum sane_funcs
  84 {
  85     unix_process_attach,
  86     unix_process_detach,
  87     unix_get_identity,
  88     unix_open_ds,
  89     unix_close_ds,
  90     unix_start_device,
  91     unix_cancel_device,
  92     unix_read_data,
  93     unix_get_params,
  94     unix_option_get_value,
  95     unix_option_set_value,
  96     unix_option_get_descriptor,
  97     unix_option_find_descriptor,
  98 };
  99
 100 #define SANE_CALL( func, params ) WINE_UNIX_CALL( unix_ ## func, params )