wine/dlls/mscms/icc.c
2008-01-11 12:23:54 +01:00

106 lines
3.0 KiB
C

/*
* MSCMS - Color Management System for Wine
*
* Copyright 2004, 2005 Hans Leidekker
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winternl.h"
#include "icm.h"
#include "mscms_priv.h"
#ifdef HAVE_LCMS
static inline void MSCMS_adjust_endianess32( ULONG *ptr )
{
#ifndef WORDS_BIGENDIAN
*ptr = RtlUlongByteSwap(*ptr);
#endif
}
void MSCMS_get_profile_header( const icProfile *iccprofile, PROFILEHEADER *header )
{
unsigned int i;
memcpy( header, iccprofile, sizeof(PROFILEHEADER) );
/* ICC format is big-endian, swap bytes if necessary */
for (i = 0; i < sizeof(PROFILEHEADER) / sizeof(ULONG); i++)
MSCMS_adjust_endianess32( (ULONG *)header + i );
}
void MSCMS_set_profile_header( icProfile *iccprofile, const PROFILEHEADER *header )
{
unsigned int i;
icHeader *iccheader = (icHeader *)iccprofile;
memcpy( iccheader, header, sizeof(icHeader) );
/* ICC format is big-endian, swap bytes if necessary */
for (i = 0; i < sizeof(icHeader) / sizeof(ULONG); i++)
MSCMS_adjust_endianess32( (ULONG *)iccheader + i );
}
DWORD MSCMS_get_tag_count( const icProfile *iccprofile )
{
ULONG count = iccprofile->count;
MSCMS_adjust_endianess32( &count );
return count;
}
void MSCMS_get_tag_by_index( icProfile *iccprofile, DWORD index, icTag *tag )
{
icTag *tmp = (icTag *)((char *)&iccprofile->data + index * sizeof(icTag));
tag->sig = tmp->sig;
tag->offset = tmp->offset;
tag->size = tmp->size;
MSCMS_adjust_endianess32( (ULONG *)&tag->sig );
MSCMS_adjust_endianess32( &tag->offset );
MSCMS_adjust_endianess32( &tag->size );
}
void MSCMS_get_tag_data( const icProfile *iccprofile, const icTag *tag, DWORD offset, void *buffer )
{
memcpy( buffer, (const char *)iccprofile + tag->offset + offset, tag->size - offset );
}
void MSCMS_set_tag_data( icProfile *iccprofile, const icTag *tag, DWORD offset, const void *buffer )
{
memcpy( (char *)iccprofile + tag->offset + offset, buffer, tag->size - offset );
}
DWORD MSCMS_get_profile_size( const icProfile *iccprofile )
{
DWORD size = ((const icHeader *)iccprofile)->size;
MSCMS_adjust_endianess32( &size );
return size;
}
#endif /* HAVE_LCMS */