dlls/mscms/transform.c

   1 /*
   2  * MSCMS - Color Management System for Wine
   3  *
   4  * Copyright 2005, 2006 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 "wine/debug.h"
  23
  24 #include <stdarg.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winnls.h"
  29 #include "wingdi.h"
  30 #include "winuser.h"
  31 #include "icm.h"
  32
  33 #include "mscms_priv.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(mscms);
  36
  37 /******************************************************************************
  38  * CreateColorTransformA            [MSCMS.@]
  39  *
  40  * See CreateColorTransformW.
  41  */
  42 HTRANSFORM WINAPI CreateColorTransformA( LPLOGCOLORSPACEA space, HPROFILE dest,
  43     HPROFILE target, DWORD flags )
  44 {
  45     LOGCOLORSPACEW spaceW;
  46     DWORD len;
  47
  48     TRACE( "( %p, %p, %p, 0x%08x )\n", space, dest, target, flags );
  49
  50     if (!space || !dest) return FALSE;
  51
  52     memcpy( &spaceW, space, FIELD_OFFSET(LOGCOLORSPACEA, lcsFilename) );
  53     spaceW.lcsSize = sizeof(LOGCOLORSPACEW);
  54
  55     len = MultiByteToWideChar( CP_ACP, 0, space->lcsFilename, -1, NULL, 0 );
  56     MultiByteToWideChar( CP_ACP, 0, space->lcsFilename, -1, spaceW.lcsFilename, len );
  57
  58     return CreateColorTransformW( &spaceW, dest, target, flags );
  59 }
  60
  61 /******************************************************************************
  62  * CreateColorTransformW            [MSCMS.@]
  63  *
  64  * Create a color transform.
  65  *
  66  * PARAMS
  67  *  space  [I] Input color space.
  68  *  dest   [I] Color profile of destination device.
  69  *  target [I] Color profile of target device.
  70  *  flags  [I] Flags.
  71  *
  72  * RETURNS
  73  *  Success: Handle to a transform.
  74  *  Failure: NULL
  75  */
  76 HTRANSFORM WINAPI CreateColorTransformW( LPLOGCOLORSPACEW space, HPROFILE dest,
  77     HPROFILE target, DWORD flags )
  78 {
  79     HTRANSFORM ret = NULL;
  80 #ifdef HAVE_LCMS
  81     cmsHTRANSFORM cmstransform;
  82     cmsHPROFILE cmsprofiles[3];
  83     int intent;
  84
  85     TRACE( "( %p, %p, %p, 0x%08x )\n", space, dest, target, flags );
  86
  87     if (!space || !dest) return FALSE;
  88
  89     intent = space->lcsIntent > 3 ? INTENT_PERCEPTUAL : space->lcsIntent;
  90
  91     cmsprofiles[0] = cmsCreate_sRGBProfile(); /* FIXME: create from supplied color space */
  92     cmsprofiles[1] = MSCMS_hprofile2cmsprofile( dest );
  93
  94     if (target)
  95     {
  96         cmsprofiles[2] = MSCMS_hprofile2cmsprofile( target );
  97         cmstransform = cmsCreateMultiprofileTransform( cmsprofiles, 3, TYPE_BGR_8,
  98                                                        TYPE_BGR_8, intent, 0 );
  99     }
 100     else
 101         cmstransform = cmsCreateTransform( cmsprofiles[0], TYPE_BGR_8, cmsprofiles[1],
 102                                            TYPE_BGR_8, intent, 0 );
 103
 104     ret = MSCMS_create_htransform_handle( cmstransform );
 105
 106 #endif /* HAVE_LCMS */
 107     return ret;
 108 }
 109
 110 /******************************************************************************
 111  * CreateMultiProfileTransform      [MSCMS.@]
 112  *
 113  * Create a color transform from an array of color profiles.
 114  *
 115  * PARAMS
 116  *  profiles  [I] Array of color profiles.
 117  *  nprofiles [I] Number of color profiles.
 118  *  intents   [I] Array of rendering intents.
 119  *  flags     [I] Flags.
 120  *  cmm       [I] Profile to take the CMM from.
 121  *
 122  * RETURNS
 123  *  Success: Handle to a transform.
 124  *  Failure: NULL
 125  */
 126 HTRANSFORM WINAPI CreateMultiProfileTransform( PHPROFILE profiles, DWORD nprofiles,
 127     PDWORD intents, DWORD nintents, DWORD flags, DWORD cmm )
 128 {
 129     HTRANSFORM ret = NULL;
 130 #ifdef HAVE_LCMS
 131     cmsHPROFILE *cmsprofiles;
 132     cmsHTRANSFORM cmstransform;
 133     DWORD i;
 134
 135     TRACE( "( %p, 0x%08x, %p, 0x%08x, 0x%08x, 0x%08x ) stub\n",
 136            profiles, nprofiles, intents, nintents, flags, cmm );
 137
 138     if (!profiles || !intents) return NULL;
 139
 140     cmsprofiles = HeapAlloc( GetProcessHeap(), 0, nprofiles * sizeof(cmsHPROFILE) );
 141
 142     if (cmsprofiles)
 143     {
 144         for (i = 0; i < nprofiles; i++)
 145             cmsprofiles[i] = MSCMS_hprofile2cmsprofile( profiles[i] );
 146     }
 147
 148     cmstransform = cmsCreateMultiprofileTransform( cmsprofiles, nprofiles, TYPE_BGR_8,
 149                                                    TYPE_BGR_8, *intents, 0 );
 150     HeapFree( GetProcessHeap(), 0, cmsprofiles );
 151     ret = MSCMS_create_htransform_handle( cmstransform );
 152
 153 #endif /* HAVE_LCMS */
 154     return ret;
 155 }
 156
 157 /******************************************************************************
 158  * DeleteColorTransform             [MSCMS.@]
 159  *
 160  * Delete a color transform.
 161  *
 162  * PARAMS
 163  *  transform [I] Handle to a color transform.
 164  *
 165  * RETURNS
 166  *  Success: TRUE
 167  *  Failure: FALSE
 168  */
 169 BOOL WINAPI DeleteColorTransform( HTRANSFORM transform )
 170 {
 171     BOOL ret = FALSE;
 172 #ifdef HAVE_LCMS
 173     cmsHTRANSFORM cmstransform;
 174
 175     TRACE( "( %p )\n", transform );
 176
 177     cmstransform = MSCMS_htransform2cmstransform( transform );
 178     cmsDeleteTransform( cmstransform );
 179
 180     MSCMS_destroy_htransform_handle( transform );
 181     ret = TRUE;
 182
 183 #endif /* HAVE_LCMS */
 184     return ret;
 185 }
 186
 187 /******************************************************************************
 188  * TranslateBitmapBits              [MSCMS.@]
 189  *
 190  * Perform color translation.
 191  *
 192  * PARAMS
 193  *  transform    [I] Handle to a color transform.
 194  *  srcbits      [I] Source bitmap.
 195  *  input        [I] Format of the source bitmap.
 196  *  width        [I] Width of the source bitmap.
 197  *  height       [I] Height of the source bitmap.
 198  *  inputstride  [I] Number of bytes in one scanline.
 199  *  destbits     [I] Destination bitmap.
 200  *  output       [I] Format of the destination bitmap.
 201  *  outputstride [I] Number of bytes in one scanline.
 202  *  callback     [I] Callback function.
 203  *  data         [I] Callback data.
 204  *
 205  * RETURNS
 206  *  Success: TRUE
 207  *  Failure: FALSE
 208  */
 209 BOOL WINAPI TranslateBitmapBits( HTRANSFORM transform, PVOID srcbits, BMFORMAT input,
 210     DWORD width, DWORD height, DWORD inputstride, PVOID destbits, BMFORMAT output,
 211     DWORD outputstride, PBMCALLBACKFN callback, ULONG data )
 212 {
 213     BOOL ret = FALSE;
 214 #ifdef HAVE_LCMS
 215     cmsHTRANSFORM cmstransform;
 216
 217     TRACE( "( %p, %p, 0x%08x, 0x%08x, 0x%08x, 0x%08x, %p, 0x%08x, 0x%08x, %p, 0x%08x )\n",
 218            transform, srcbits, input, width, height, inputstride, destbits, output,
 219            outputstride, callback, data );
 220
 221     cmstransform = MSCMS_htransform2cmstransform( transform );
 222     cmsDoTransform( cmstransform, srcbits, destbits, width * height );
 223     ret = TRUE;
 224
 225 #endif /* HAVE_LCMS */
 226     return ret;
 227 }