mirror of
git://source.winehq.org/git/wine.git
synced 2024-09-01 18:53:38 +00:00
318 lines
8.7 KiB
C
318 lines
8.7 KiB
C
/*
|
|
* Metafile functions
|
|
*
|
|
* Copyright David W. Metcalfe, 1994
|
|
* Copyright Niels de Carpentier, 1996
|
|
* Copyright Albrecht Kleine, 1996
|
|
* Copyright Huw Davies, 1996
|
|
*
|
|
* 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 <string.h>
|
|
#include <fcntl.h>
|
|
|
|
#include "wine/winbase16.h"
|
|
#include "wine/wingdi16.h"
|
|
#include "wownt32.h"
|
|
#include "winreg.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(metafile);
|
|
|
|
#define METAFILE_MEMORY 1
|
|
#define METAFILE_DISK 2
|
|
#define MFHEADERSIZE (sizeof(METAHEADER))
|
|
#define MFVERSION 0x300
|
|
|
|
/******************************************************************
|
|
* MF_GetMetaHeader16
|
|
*
|
|
* Returns ptr to METAHEADER associated with HMETAFILE16
|
|
* Should be followed by call to MF_ReleaseMetaHeader16
|
|
*/
|
|
static METAHEADER *MF_GetMetaHeader16( HMETAFILE16 hmf )
|
|
{
|
|
return GlobalLock16(hmf);
|
|
}
|
|
|
|
/******************************************************************
|
|
* MF_ReleaseMetaHeader16
|
|
*
|
|
* Releases METAHEADER associated with HMETAFILE16
|
|
*/
|
|
static BOOL16 MF_ReleaseMetaHeader16( HMETAFILE16 hmf )
|
|
{
|
|
return GlobalUnlock16( hmf );
|
|
}
|
|
|
|
/******************************************************************
|
|
* create_metafile16
|
|
*
|
|
* Create a 16-bit metafile from a 32-bit one. The 32-bit one is deleted.
|
|
*/
|
|
static HMETAFILE16 create_metafile16( HMETAFILE hmf )
|
|
{
|
|
UINT size;
|
|
HMETAFILE16 hmf16;
|
|
|
|
if (!hmf) return 0;
|
|
size = GetMetaFileBitsEx( hmf, 0, NULL );
|
|
hmf16 = GlobalAlloc16( GMEM_MOVEABLE, size );
|
|
if (hmf16)
|
|
{
|
|
void *buffer = GlobalLock16( hmf16 );
|
|
GetMetaFileBitsEx( hmf, size, buffer );
|
|
GlobalUnlock16( hmf16 );
|
|
}
|
|
DeleteMetaFile( hmf );
|
|
return hmf16;
|
|
}
|
|
|
|
/******************************************************************
|
|
* create_metafile32
|
|
*
|
|
* Create a 32-bit metafile from a 16-bit one.
|
|
*/
|
|
static HMETAFILE create_metafile32( HMETAFILE16 hmf16 )
|
|
{
|
|
METAHEADER *mh = MF_GetMetaHeader16( hmf16 );
|
|
if (!mh) return 0;
|
|
return SetMetaFileBitsEx( mh->mtSize * 2, (BYTE *)mh );
|
|
}
|
|
|
|
/**********************************************************************
|
|
* CreateMetaFile (GDI.125)
|
|
*/
|
|
HDC16 WINAPI CreateMetaFile16( LPCSTR filename )
|
|
{
|
|
return HDC_16( CreateMetaFileA( filename ) );
|
|
}
|
|
|
|
/******************************************************************
|
|
* CloseMetaFile (GDI.126)
|
|
*/
|
|
HMETAFILE16 WINAPI CloseMetaFile16(HDC16 hdc)
|
|
{
|
|
return create_metafile16( CloseMetaFile( HDC_32(hdc) ));
|
|
}
|
|
|
|
/******************************************************************
|
|
* DeleteMetaFile (GDI.127)
|
|
*/
|
|
BOOL16 WINAPI DeleteMetaFile16( HMETAFILE16 hmf )
|
|
{
|
|
return !GlobalFree16( hmf );
|
|
}
|
|
|
|
/******************************************************************
|
|
* GetMetaFile (GDI.124)
|
|
*/
|
|
HMETAFILE16 WINAPI GetMetaFile16( LPCSTR lpFilename )
|
|
{
|
|
return create_metafile16( GetMetaFileA( lpFilename ));
|
|
}
|
|
|
|
/******************************************************************
|
|
* CopyMetaFile (GDI.151)
|
|
*/
|
|
HMETAFILE16 WINAPI CopyMetaFile16( HMETAFILE16 hSrcMetaFile, LPCSTR lpFilename)
|
|
{
|
|
HMETAFILE hmf = create_metafile32( hSrcMetaFile );
|
|
HMETAFILE hmf2 = CopyMetaFileA( hmf, lpFilename );
|
|
DeleteMetaFile( hmf );
|
|
return create_metafile16( hmf2 );
|
|
}
|
|
|
|
/******************************************************************
|
|
* IsValidMetaFile (GDI.410)
|
|
*
|
|
* Attempts to check if a given metafile is correctly formatted.
|
|
* Currently, the only things verified are several properties of the
|
|
* header.
|
|
*
|
|
* RETURNS
|
|
* TRUE if hmf passes some tests for being a valid metafile, FALSE otherwise.
|
|
*
|
|
* BUGS
|
|
* This is not exactly what windows does, see _Undocumented_Windows_
|
|
* for details.
|
|
*/
|
|
BOOL16 WINAPI IsValidMetaFile16(HMETAFILE16 hmf)
|
|
{
|
|
BOOL16 res=FALSE;
|
|
METAHEADER *mh = MF_GetMetaHeader16(hmf);
|
|
if (mh) {
|
|
if (mh->mtType == METAFILE_MEMORY || mh->mtType == METAFILE_DISK)
|
|
if (mh->mtHeaderSize == MFHEADERSIZE/sizeof(INT16))
|
|
if (mh->mtVersion == MFVERSION)
|
|
res=TRUE;
|
|
MF_ReleaseMetaHeader16(hmf);
|
|
}
|
|
TRACE("IsValidMetaFile %x => %d\n",hmf,res);
|
|
return res;
|
|
}
|
|
|
|
/******************************************************************
|
|
* PlayMetaFile (GDI.123)
|
|
*
|
|
*/
|
|
BOOL16 WINAPI PlayMetaFile16( HDC16 hdc, HMETAFILE16 hmf16 )
|
|
{
|
|
HMETAFILE hmf = create_metafile32( hmf16 );
|
|
BOOL ret = PlayMetaFile( HDC_32(hdc), hmf );
|
|
DeleteMetaFile( hmf );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/******************************************************************
|
|
* EnumMetaFile (GDI.175)
|
|
*
|
|
*/
|
|
BOOL16 WINAPI EnumMetaFile16( HDC16 hdc16, HMETAFILE16 hmf,
|
|
MFENUMPROC16 lpEnumFunc, LPARAM lpData )
|
|
{
|
|
METAHEADER *mh = MF_GetMetaHeader16(hmf);
|
|
METARECORD *mr;
|
|
HANDLETABLE16 *ht;
|
|
HDC hdc = HDC_32(hdc16);
|
|
HGLOBAL16 hHT;
|
|
SEGPTR spht;
|
|
unsigned int offset = 0;
|
|
WORD i, seg;
|
|
HPEN hPen;
|
|
HBRUSH hBrush;
|
|
HFONT hFont;
|
|
WORD args[8];
|
|
BOOL16 result = TRUE;
|
|
|
|
TRACE("(%p, %04x, %p, %08lx)\n", hdc, hmf, lpEnumFunc, lpData);
|
|
|
|
if(!mh) return FALSE;
|
|
|
|
/* save the current pen, brush and font */
|
|
hPen = GetCurrentObject(hdc, OBJ_PEN);
|
|
hBrush = GetCurrentObject(hdc, OBJ_BRUSH);
|
|
hFont = GetCurrentObject(hdc, OBJ_FONT);
|
|
|
|
/* create the handle table */
|
|
|
|
hHT = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT,
|
|
FIELD_OFFSET(HANDLETABLE16, objectHandle[mh->mtNoObjects]));
|
|
spht = WOWGlobalLock16(hHT);
|
|
|
|
seg = hmf | 7;
|
|
offset = mh->mtHeaderSize * 2;
|
|
|
|
/* loop through metafile records */
|
|
|
|
args[7] = hdc16;
|
|
args[6] = SELECTOROF(spht);
|
|
args[5] = OFFSETOF(spht);
|
|
args[4] = seg + (HIWORD(offset) << __AHSHIFT);
|
|
args[3] = LOWORD(offset);
|
|
args[2] = mh->mtNoObjects;
|
|
args[1] = HIWORD(lpData);
|
|
args[0] = LOWORD(lpData);
|
|
|
|
while (offset < (mh->mtSize * 2))
|
|
{
|
|
DWORD ret;
|
|
|
|
mr = (METARECORD *)((char *)mh + offset);
|
|
|
|
WOWCallback16Ex( (DWORD)lpEnumFunc, WCB16_PASCAL, sizeof(args), args, &ret );
|
|
if (!LOWORD(ret))
|
|
{
|
|
result = FALSE;
|
|
break;
|
|
}
|
|
|
|
offset += (mr->rdSize * 2);
|
|
args[4] = seg + (HIWORD(offset) << __AHSHIFT);
|
|
args[3] = LOWORD(offset);
|
|
}
|
|
|
|
SelectObject(hdc, hBrush);
|
|
SelectObject(hdc, hPen);
|
|
SelectObject(hdc, hFont);
|
|
|
|
ht = GlobalLock16(hHT);
|
|
|
|
/* free objects in handle table */
|
|
for(i = 0; i < mh->mtNoObjects; i++)
|
|
if(*(ht->objectHandle + i) != 0)
|
|
DeleteObject( (HGDIOBJ)(ULONG_PTR)(*(ht->objectHandle + i) ));
|
|
|
|
/* free handle table */
|
|
GlobalFree16(hHT);
|
|
MF_ReleaseMetaHeader16(hmf);
|
|
return result;
|
|
}
|
|
|
|
/******************************************************************
|
|
* GetMetaFileBits (GDI.159)
|
|
*
|
|
* Trade in a metafile object handle for a handle to the metafile memory.
|
|
*
|
|
* PARAMS
|
|
* hmf [I] metafile handle
|
|
*/
|
|
|
|
HGLOBAL16 WINAPI GetMetaFileBits16( HMETAFILE16 hmf )
|
|
{
|
|
TRACE("hMem out: %04x\n", hmf);
|
|
return hmf;
|
|
}
|
|
|
|
/******************************************************************
|
|
* SetMetaFileBits (GDI.160)
|
|
*
|
|
* Trade in a metafile memory handle for a handle to a metafile object.
|
|
* The memory region should hold a proper metafile, otherwise
|
|
* problems will occur when it is used. Validity of the memory is not
|
|
* checked. The function is essentially just the identity function.
|
|
*
|
|
* PARAMS
|
|
* hMem [I] handle to a memory region holding a metafile
|
|
*
|
|
* RETURNS
|
|
* Handle to a metafile on success, NULL on failure..
|
|
*/
|
|
HMETAFILE16 WINAPI SetMetaFileBits16( HGLOBAL16 hMem )
|
|
{
|
|
TRACE("hmf out: %04x\n", hMem);
|
|
|
|
return hMem;
|
|
}
|
|
|
|
/******************************************************************
|
|
* SetMetaFileBitsBetter (GDI.196)
|
|
*
|
|
* Trade in a metafile memory handle for a handle to a metafile object,
|
|
* making a cursory check (using IsValidMetaFile()) that the memory
|
|
* handle points to a valid metafile.
|
|
*
|
|
* RETURNS
|
|
* Handle to a metafile on success, NULL on failure..
|
|
*/
|
|
HMETAFILE16 WINAPI SetMetaFileBitsBetter16( HMETAFILE16 hMeta )
|
|
{
|
|
if( IsValidMetaFile16( hMeta ) )
|
|
return GlobalReAlloc16( hMeta, 0, GMEM_SHARE | GMEM_NODISCARD | GMEM_MODIFY);
|
|
return 0;
|
|
}
|