dlls/mscms/handle.c

   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 #include "config.h"
  22 #include <stdarg.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "wingdi.h"
  27 #include "winuser.h"
  28 #include "icm.h"
  29
  30 #include "mscms_priv.h"
  31
  32 #ifdef HAVE_LCMS
  33
  34 static CRITICAL_SECTION MSCMS_handle_cs;
  35 static CRITICAL_SECTION_DEBUG MSCMS_handle_cs_debug =
  36 {
  37     0, 0, &MSCMS_handle_cs,
  38     { &MSCMS_handle_cs_debug.ProcessLocksList,
  39       &MSCMS_handle_cs_debug.ProcessLocksList },
  40       0, 0, { (DWORD_PTR)(__FILE__ ": MSCMS_handle_cs") }
  41 };
  42 static CRITICAL_SECTION MSCMS_handle_cs = { &MSCMS_handle_cs_debug, -1, 0, 0, 0, 0 };
  43
  44 /*  A simple structure to tie together a pointer to an icc profile, an lcms
  45  *  color profile handle and a Windows file handle. Windows color profile
  46  *  handles are built from indexes into an array of these structures. If
  47  *  the profile is memory based the file handle field is NULL. The 'access'
  48  *  field records the access parameter supplied to an OpenColorProfile()
  49  *  call, i.e. PROFILE_READ or PROFILE_READWRITE.
  50  */
  51
  52 struct profile
  53 {
  54     HANDLE file;
  55     DWORD access;
  56     icProfile *iccprofile;
  57     cmsHPROFILE cmsprofile;
  58 };
  59
  60 struct transform
  61 {
  62     cmsHTRANSFORM cmstransform;
  63 };
  64
  65 #define CMSMAXHANDLES 0x80
  66
  67 static struct profile profiletable[CMSMAXHANDLES];
  68 static struct transform transformtable[CMSMAXHANDLES];
  69
  70 HPROFILE MSCMS_handle2hprofile( HANDLE file )
  71 {
  72     HPROFILE profile = NULL;
  73     DWORD_PTR i;
  74
  75     if (!file) return NULL;
  76
  77     EnterCriticalSection( &MSCMS_handle_cs );
  78
  79     for (i = 0; i <= CMSMAXHANDLES; i++)
  80     {
  81         if (profiletable[i].file == file)
  82         {
  83             profile = (HPROFILE)(i + 1); goto out;
  84         }
  85     }
  86
  87 out:
  88     LeaveCriticalSection( &MSCMS_handle_cs );
  89     return profile;
  90 }
  91
  92 HANDLE MSCMS_hprofile2handle( HPROFILE profile )
  93 {
  94     HANDLE file;
  95     DWORD_PTR i;
  96
  97     EnterCriticalSection( &MSCMS_handle_cs );
  98
  99     i = (DWORD_PTR)profile - 1;
 100     file = profiletable[i].file;
 101
 102     LeaveCriticalSection( &MSCMS_handle_cs );
 103     return file;
 104 }
 105
 106 DWORD MSCMS_hprofile2access( HPROFILE profile )
 107 {
 108     DWORD access;
 109     DWORD_PTR i;
 110
 111     EnterCriticalSection( &MSCMS_handle_cs );
 112
 113     i = (DWORD_PTR)profile - 1;
 114     access = profiletable[i].access;
 115
 116     LeaveCriticalSection( &MSCMS_handle_cs );
 117     return access;
 118 }
 119
 120 HPROFILE MSCMS_cmsprofile2hprofile( cmsHPROFILE cmsprofile )
 121 {
 122     HPROFILE profile = NULL;
 123     DWORD_PTR i;
 124
 125     if (!cmsprofile) return NULL;
 126
 127     EnterCriticalSection( &MSCMS_handle_cs );
 128
 129     for (i = 0; i <= CMSMAXHANDLES; i++)
 130     {
 131         if (profiletable[i].cmsprofile == cmsprofile)
 132         {
 133             profile = (HPROFILE)(i + 1); goto out;
 134         }
 135     }
 136
 137 out:
 138     LeaveCriticalSection( &MSCMS_handle_cs );
 139     return profile;
 140 }
 141
 142 cmsHPROFILE MSCMS_hprofile2cmsprofile( HPROFILE profile )
 143 {
 144     cmsHPROFILE cmsprofile;
 145     DWORD_PTR i;
 146
 147     EnterCriticalSection( &MSCMS_handle_cs );
 148
 149     i = (DWORD_PTR)profile - 1;
 150     cmsprofile = profiletable[i].cmsprofile;
 151
 152     LeaveCriticalSection( &MSCMS_handle_cs );
 153     return cmsprofile;
 154 }
 155
 156 HPROFILE MSCMS_iccprofile2hprofile( icProfile *iccprofile )
 157 {
 158     HPROFILE profile = NULL;
 159     DWORD_PTR i;
 160
 161     if (!iccprofile) return NULL;
 162
 163     EnterCriticalSection( &MSCMS_handle_cs );
 164
 165     for (i = 0; i <= CMSMAXHANDLES; i++)
 166     {
 167         if (profiletable[i].iccprofile == iccprofile)
 168         {
 169             profile = (HPROFILE)(i + 1); goto out;
 170         }
 171     }
 172
 173 out:
 174     LeaveCriticalSection( &MSCMS_handle_cs );
 175     return profile;
 176 }
 177
 178 icProfile *MSCMS_hprofile2iccprofile( HPROFILE profile )
 179 {
 180     icProfile *iccprofile;
 181     DWORD_PTR i;
 182
 183     EnterCriticalSection( &MSCMS_handle_cs );
 184
 185     i = (DWORD_PTR)profile - 1;
 186     iccprofile = profiletable[i].iccprofile;
 187
 188     LeaveCriticalSection( &MSCMS_handle_cs );
 189     return iccprofile;
 190 }
 191
 192 HPROFILE MSCMS_create_hprofile_handle( HANDLE file, icProfile *iccprofile,
 193                                        cmsHPROFILE cmsprofile, DWORD access )
 194 {
 195     HPROFILE profile = NULL;
 196     DWORD_PTR i;
 197
 198     if (!cmsprofile || !iccprofile) return NULL;
 199
 200     EnterCriticalSection( &MSCMS_handle_cs );
 201
 202     for (i = 0; i <= CMSMAXHANDLES; i++)
 203     {
 204         if (profiletable[i].iccprofile == 0)
 205         {
 206             profiletable[i].file = file;
 207             profiletable[i].access = access;
 208             profiletable[i].iccprofile = iccprofile;
 209             profiletable[i].cmsprofile = cmsprofile;
 210
 211             profile = (HPROFILE)(i + 1); goto out;
 212         }
 213     }
 214
 215 out:
 216     LeaveCriticalSection( &MSCMS_handle_cs );
 217     return profile;
 218 }
 219
 220 void MSCMS_destroy_hprofile_handle( HPROFILE profile )
 221 {
 222     DWORD_PTR i;
 223
 224     if (profile)
 225     {
 226         EnterCriticalSection( &MSCMS_handle_cs );
 227
 228         i = (DWORD_PTR)profile - 1;
 229         memset( &profiletable[i], 0, sizeof(struct profile) );
 230
 231         LeaveCriticalSection( &MSCMS_handle_cs );
 232     }
 233 }
 234
 235 cmsHTRANSFORM MSCMS_htransform2cmstransform( HTRANSFORM transform )
 236 {
 237     cmsHTRANSFORM cmstransform;
 238     DWORD_PTR i;
 239
 240     EnterCriticalSection( &MSCMS_handle_cs );
 241
 242     i = (DWORD_PTR)transform - 1;
 243     cmstransform = transformtable[i].cmstransform;
 244
 245     LeaveCriticalSection( &MSCMS_handle_cs );
 246     return cmstransform;
 247 }
 248
 249 HTRANSFORM MSCMS_create_htransform_handle( cmsHTRANSFORM cmstransform )
 250 {
 251     HTRANSFORM transform = NULL;
 252     DWORD_PTR i;
 253
 254     if (!cmstransform) return NULL;
 255
 256     EnterCriticalSection( &MSCMS_handle_cs );
 257
 258     for (i = 0; i <= CMSMAXHANDLES; i++)
 259     {
 260         if (transformtable[i].cmstransform == 0)
 261         {
 262             transformtable[i].cmstransform = cmstransform;
 263             transform = (HTRANSFORM)(i + 1); goto out;
 264         }
 265     }
 266
 267 out:
 268     LeaveCriticalSection( &MSCMS_handle_cs );
 269     return transform;
 270 }
 271
 272 void MSCMS_destroy_htransform_handle( HTRANSFORM transform )
 273 {
 274     DWORD_PTR i;
 275
 276     if (transform)
 277     {
 278         EnterCriticalSection( &MSCMS_handle_cs );
 279
 280         i = (DWORD_PTR)transform - 1;
 281         memset( &transformtable[i], 0, sizeof(struct transform) );
 282
 283         LeaveCriticalSection( &MSCMS_handle_cs );
 284     }
 285 }
 286
 287 #endif /* HAVE_LCMS */