dlls/mscms/mscms_priv.h

   1 /*
   2  * MSCMS - Color Management System for Wine
   3  *
   4  * Copyright 2004, 2005 Hans Leidekker
   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 /*  A simple structure to tie together a pointer to an icc profile, an lcms
  22  *  color profile handle and a Windows file handle. If the profile is memory
  23  *  based the file handle field is set to INVALID_HANDLE_VALUE. The 'access'
  24  *  field records the access parameter supplied to an OpenColorProfile()
  25  *  call, i.e. PROFILE_READ or PROFILE_READWRITE.
  26  */
  27
  28 #include <lcms2.h>
  29
  30 enum object_type
  31 {
  32     OBJECT_TYPE_PROFILE,
  33     OBJECT_TYPE_TRANSFORM,
  34 };
  35
  36 struct object
  37 {
  38     enum object_type type;
  39     LONG             refs;
  40     void           (*close)( struct object * );
  41 };
  42
  43 struct profile
  44 {
  45     struct object hdr;
  46     HANDLE        file;
  47     DWORD         access;
  48     char         *data;
  49     DWORD         size;
  50     cmsHPROFILE   cmsprofile;
  51 };
  52
  53 struct transform
  54 {
  55     struct object hdr;
  56     cmsHTRANSFORM cmstransform;
  57 };
  58
  59 extern HANDLE alloc_handle( struct object *obj );
  60 extern void free_handle( HANDLE );
  61
  62 struct object *grab_object( HANDLE, enum object_type );
  63 void release_object( struct object * );
  64
  65 struct tag_entry
  66 {
  67     DWORD sig;
  68     DWORD offset;
  69     DWORD size;
  70 };
  71
  72 extern DWORD get_tag_count( const struct profile * );
  73 extern BOOL get_tag_entry( const struct profile *, DWORD, struct tag_entry * );
  74 extern BOOL get_adjusted_tag( const struct profile *, TAGTYPE, struct tag_entry * );
  75 extern BOOL get_tag_data( const struct profile *, TAGTYPE, DWORD, void *, DWORD *, BOOL * );
  76 extern BOOL set_tag_data( const struct profile *, TAGTYPE, DWORD, const void *, DWORD * );
  77 extern void get_profile_header( const struct profile *, PROFILEHEADER * );
  78 extern void set_profile_header( const struct profile *, const PROFILEHEADER * );