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Sweden-Number/objects/metafile.c

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/*
* Metafile functions
*
* Copyright David W. Metcalfe, 1994
* Niels de Carpentier, Albrecht Kleine, Huw Davies 1996
*
*/
/*
* These functions are primarily involved with metafile playback or anything
* that touches a HMETAFILE.
* For recording of metafiles look in graphics/metafiledrv/
*
* Note that (32 bit) HMETAFILEs are GDI objects, while HMETAFILE16s are
* global memory handles so these cannot be interchanged.
*
* Memory-based metafiles are just stored as a continuous block of memory with
* a METAHEADER at the head with METARECORDs appended to it. mtType is
* METAFILE_MEMORY (1). Note this is indentical to the disk image of a
* disk-based metafile - even mtType is METAFILE_MEMORY.
* 16bit HMETAFILE16s are global handles to this block
* 32bit HMETAFILEs are GDI handles METAFILEOBJs, which contains a ptr to
* the memory.
* Disk-based metafiles are rather different. HMETAFILE16s point to a
* METAHEADER which has mtType equal to METAFILE_DISK (2). Following the 9
* WORDs of the METAHEADER there are a further 3 WORDs of 0, 1 of 0x117, 1
* more 0, then 2 which may be a time stamp of the file and then the path of
* the file (METAHEADERDISK). I've copied this for 16bit compatibility.
*
* HDMD - 14/4/1999
*/
#include <string.h>
#include <fcntl.h>
#include "wine/winbase16.h"
#include "metafile.h"
#include "bitmap.h"
#include "heap.h"
#include "toolhelp.h"
#include "debugtools.h"
#include "global.h"
DEFAULT_DEBUG_CHANNEL(metafile)
/******************************************************************
* MF_AddHandle
*
* Add a handle to an external handle table and return the index
*/
static int MF_AddHandle(HANDLETABLE16 *ht, WORD htlen, HGDIOBJ16 hobj)
{
int i;
for (i = 0; i < htlen; i++)
{
if (*(ht->objectHandle + i) == 0)
{
*(ht->objectHandle + i) = hobj;
return i;
}
}
return -1;
}
/******************************************************************
* MF_Create_HMETATFILE
*
* Creates a (32 bit) HMETAFILE object from a METAHEADER
*
* HMETAFILEs are GDI objects.
*/
HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh)
{
HMETAFILE hmf = GDI_AllocObject( sizeof(METAFILEOBJ), METAFILE_MAGIC );
METAFILEOBJ *metaObj = (METAFILEOBJ *)GDI_HEAP_LOCK( hmf );
metaObj->mh = mh;
GDI_HEAP_UNLOCK( hmf );
return hmf;
}
/******************************************************************
* MF_Create_HMETATFILE16
*
* Creates a HMETAFILE16 object from a METAHEADER
*
* HMETAFILE16s are Global memory handles.
*/
HMETAFILE16 MF_Create_HMETAFILE16(METAHEADER *mh)
{
HMETAFILE16 hmf;
DWORD size;
if(mh->mtType == METAFILE_MEMORY)
size = mh->mtSize * sizeof(WORD);
else
size = sizeof(METAHEADER) + sizeof(METAHEADERDISK);
hmf = GLOBAL_CreateBlock( GMEM_MOVEABLE, mh, mh->mtSize * sizeof(WORD),
GetCurrentPDB16(), FALSE, FALSE, FALSE, NULL );
return hmf;
}
/******************************************************************
* MF_GetMetaHeader
*
* Returns ptr to METAHEADER associated with HMETAFILE
* Should be followed by call to MF_ReleaseMetaHeader
*/
static METAHEADER *MF_GetMetaHeader( HMETAFILE hmf )
{
METAFILEOBJ *metaObj = (METAFILEOBJ *)GDI_GetObjPtr( hmf, METAFILE_MAGIC );
return metaObj->mh;
}
/******************************************************************
* 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_ReleaseMetaHeader
*
* Releases METAHEADER associated with HMETAFILE
*/
static BOOL MF_ReleaseMetaHeader( HMETAFILE hmf )
{
return GDI_HEAP_UNLOCK( hmf );
}
/******************************************************************
* MF_ReleaseMetaHeader16
*
* Releases METAHEADER associated with HMETAFILE16
*/
static BOOL16 MF_ReleaseMetaHeader16( HMETAFILE16 hmf )
{
return GlobalUnlock16( hmf );
}
/******************************************************************
* DeleteMetaFile16 (GDI.127)
*/
BOOL16 WINAPI DeleteMetaFile16( HMETAFILE16 hmf )
{
return !GlobalFree16( hmf );
}
/******************************************************************
* DeleteMetaFile (GDI32.69)
*
* Delete a memory-based metafile.
*/
BOOL WINAPI DeleteMetaFile( HMETAFILE hmf )
{
METAHEADER *mh = MF_GetMetaHeader( hmf );
if(!mh) return FALSE;
HeapFree( SystemHeap, 0, mh );
GDI_FreeObject( hmf );
return TRUE;
}
/******************************************************************
* MF_ReadMetaFile
*
* Returns a pointer to a memory based METAHEADER read in from file HFILE
*
*/
static METAHEADER *MF_ReadMetaFile(HFILE hfile)
{
METAHEADER *mh;
DWORD BytesRead, size;
size = sizeof(METAHEADER);
mh = HeapAlloc( SystemHeap, 0, size );
if(!mh) return NULL;
if(ReadFile( hfile, mh, size, &BytesRead, NULL) == 0 ||
BytesRead != size) {
HeapFree( SystemHeap, 0, mh );
return NULL;
}
size = mh->mtSize * 2;
mh = HeapReAlloc( SystemHeap, 0, mh, size );
if(!mh) return NULL;
size -= sizeof(METAHEADER);
if(ReadFile( hfile, (char *)mh + sizeof(METAHEADER), size, &BytesRead,
NULL) == 0 ||
BytesRead != size) {
HeapFree( SystemHeap, 0, mh );
return NULL;
}
if (mh->mtType != METAFILE_MEMORY) {
WARN("Disk metafile had mtType = %04x\n", mh->mtType);
mh->mtType = METAFILE_MEMORY;
}
return mh;
}
/******************************************************************
* GetMetaFile16 (GDI.124)
*/
HMETAFILE16 WINAPI GetMetaFile16( LPCSTR lpFilename )
{
METAHEADER *mh;
HFILE hFile;
TRACE("%s\n", lpFilename);
if(!lpFilename)
return 0;
if((hFile = CreateFileA(lpFilename, GENERIC_READ, 0, NULL, OPEN_EXISTING,
0, -1)) == HFILE_ERROR)
return 0;
mh = MF_ReadMetaFile(hFile);
CloseHandle(hFile);
if(!mh) return 0;
return MF_Create_HMETAFILE16( mh );
}
/******************************************************************
* GetMetaFileA (GDI32.197)
*
* Read a metafile from a file. Returns handle to a memory-based metafile.
*/
HMETAFILE WINAPI GetMetaFileA( LPCSTR lpFilename )
{
METAHEADER *mh;
HFILE hFile;
TRACE("%s\n", lpFilename);
if(!lpFilename)
return 0;
if((hFile = CreateFileA(lpFilename, GENERIC_READ, 0, NULL, OPEN_EXISTING,
0, -1)) == HFILE_ERROR)
return 0;
mh = MF_ReadMetaFile(hFile);
CloseHandle(hFile);
if(!mh) return 0;
return MF_Create_HMETAFILE( mh );
}
/******************************************************************
* GetMetaFileW (GDI32.199)
*/
HMETAFILE WINAPI GetMetaFileW( LPCWSTR lpFilename )
{
METAHEADER *mh;
HFILE hFile;
TRACE("%s\n", debugstr_w(lpFilename));
if(!lpFilename)
return 0;
if((hFile = CreateFileW(lpFilename, GENERIC_READ, 0, NULL, OPEN_EXISTING,
0, -1)) == HFILE_ERROR)
return 0;
mh = MF_ReadMetaFile(hFile);
CloseHandle(hFile);
if(!mh) return 0;
return MF_Create_HMETAFILE( mh );
}
/******************************************************************
* MF_LoadDiskBasedMetaFile
*
* Creates a new memory-based metafile from a disk-based one.
*/
static METAHEADER *MF_LoadDiskBasedMetaFile(METAHEADER *mh)
{
METAHEADERDISK *mhd;
HFILE hfile;
METAHEADER *mh2;
if(mh->mtType != METAFILE_DISK) {
ERR("Not a disk based metafile\n");
return NULL;
}
mhd = (METAHEADERDISK *)((char *)mh + sizeof(METAHEADER));
if((hfile = CreateFileA(mhd->filename, GENERIC_READ, 0, NULL,
OPEN_EXISTING, 0, -1)) == HFILE_ERROR) {
WARN("Can't open file of disk based metafile\n");
return NULL;
}
mh2 = MF_ReadMetaFile(hfile);
CloseHandle(hfile);
return mh2;
}
/******************************************************************
* MF_CreateMetaHeaderDisk
*
* Take a memory based METAHEADER and change it to a disk based METAHEADER
* assosiated with filename. Note: Trashes contents of old one.
*/
METAHEADER *MF_CreateMetaHeaderDisk(METAHEADER *mh, LPCSTR filename)
{
METAHEADERDISK *mhd;
DWORD size;
mh = HeapReAlloc( SystemHeap, 0, mh,
sizeof(METAHEADER) + sizeof(METAHEADERDISK));
mh->mtType = METAFILE_DISK;
size = HeapSize( SystemHeap, 0, mh );
mhd = (METAHEADERDISK *)((char *)mh + sizeof(METAHEADER));
strcpy(mhd->filename, filename);
return mh;
}
/******************************************************************
* CopyMetaFile16 (GDI.151)
*/
HMETAFILE16 WINAPI CopyMetaFile16( HMETAFILE16 hSrcMetaFile, LPCSTR lpFilename)
{
METAHEADER *mh = MF_GetMetaHeader16( hSrcMetaFile );
METAHEADER *mh2 = NULL;
HFILE hFile;
TRACE("(%08x,%s)\n", hSrcMetaFile, lpFilename);
if(!mh) return 0;
if(mh->mtType == METAFILE_DISK)
mh2 = MF_LoadDiskBasedMetaFile(mh);
else {
mh2 = HeapAlloc( SystemHeap, 0, mh->mtSize * 2 );
memcpy( mh2, mh, mh->mtSize * 2 );
}
MF_ReleaseMetaHeader16( hSrcMetaFile );
if(lpFilename) { /* disk based metafile */
if((hFile = CreateFileA(lpFilename, GENERIC_WRITE, 0, NULL,
CREATE_ALWAYS, 0, -1)) == HFILE_ERROR) {
HeapFree( SystemHeap, 0, mh2 );
return 0;
}
WriteFile(hFile, mh2, mh2->mtSize * 2, NULL, NULL);
CloseHandle(hFile);
mh2 = MF_CreateMetaHeaderDisk(mh2, lpFilename);
}
return MF_Create_HMETAFILE16( mh2 );
}
/******************************************************************
* CopyMetaFileA (GDI32.23)
*
* Copies the metafile corresponding to hSrcMetaFile to either
* a disk file, if a filename is given, or to a new memory based
* metafile, if lpFileName is NULL.
*
* RETURNS
*
* Handle to metafile copy on success, NULL on failure.
*
* BUGS
*
* Copying to disk returns NULL even if successful.
*/
HMETAFILE WINAPI CopyMetaFileA(
HMETAFILE hSrcMetaFile, /* handle of metafile to copy */
LPCSTR lpFilename /* filename if copying to a file */
) {
METAHEADER *mh = MF_GetMetaHeader( hSrcMetaFile );
METAHEADER *mh2 = NULL;
HFILE hFile;
TRACE("(%08x,%s)\n", hSrcMetaFile, lpFilename);
if(!mh) return 0;
if(mh->mtType == METAFILE_DISK)
mh2 = MF_LoadDiskBasedMetaFile(mh);
else {
mh2 = HeapAlloc( SystemHeap, 0, mh->mtSize * 2 );
memcpy( mh2, mh, mh->mtSize * 2 );
}
MF_ReleaseMetaHeader( hSrcMetaFile );
if(lpFilename) { /* disk based metafile */
if((hFile = CreateFileA(lpFilename, GENERIC_WRITE, 0, NULL,
CREATE_ALWAYS, 0, -1)) == HFILE_ERROR) {
HeapFree( SystemHeap, 0, mh2 );
return 0;
}
WriteFile(hFile, mh2, mh2->mtSize * 2, NULL, NULL);
CloseHandle(hFile);
mh2 = MF_CreateMetaHeaderDisk(mh2, lpFilename);
}
return MF_Create_HMETAFILE( mh2 );
}
/******************************************************************
* CopyMetaFileW (GDI32.24)
*/
HMETAFILE WINAPI CopyMetaFileW( HMETAFILE hSrcMetaFile,
LPCWSTR lpFilename )
{
LPSTR p = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFilename );
HMETAFILE ret = CopyMetaFileA( hSrcMetaFile, p );
HeapFree( GetProcessHeap(), 0, p );
return ret;
}
/******************************************************************
* 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;
}
/*******************************************************************
* MF_PlayMetaFile
*
* Helper for PlayMetaFile
*/
static BOOL MF_PlayMetaFile( HDC hdc, METAHEADER *mh)
{
METARECORD *mr;
HANDLETABLE16 *ht;
int offset = 0;
WORD i;
HPEN hPen;
HBRUSH hBrush;
HFONT hFont;
DC *dc;
BOOL loaded = FALSE;
if (!mh) return FALSE;
if(mh->mtType == METAFILE_DISK) { /* Create a memoery-based copy */
mh = MF_LoadDiskBasedMetaFile(mh);
if(!mh) return FALSE;
loaded = TRUE;
}
/* save the current pen, brush and font */
if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return 0;
hPen = dc->w.hPen;
hBrush = dc->w.hBrush;
hFont = dc->w.hFont;
GDI_HEAP_UNLOCK(hdc);
/* create the handle table */
ht = HeapAlloc( SystemHeap, HEAP_ZERO_MEMORY,
sizeof(HANDLETABLE16) * mh->mtNoObjects);
if(!ht) return FALSE;
/* loop through metafile playing records */
offset = mh->mtHeaderSize * 2;
while (offset < mh->mtSize * 2)
{
mr = (METARECORD *)((char *)mh + offset);
TRACE("offset=%04x,size=%08lx\n",
offset, mr->rdSize);
if (!mr->rdSize) {
TRACE(
"Entry got size 0 at offset %d, total mf length is %ld\n",
offset,mh->mtSize*2);
break; /* would loop endlessly otherwise */
}
offset += mr->rdSize * 2;
PlayMetaFileRecord16( hdc, ht, mr, mh->mtNoObjects );
}
SelectObject(hdc, hBrush);
SelectObject(hdc, hPen);
SelectObject(hdc, hFont);
/* free objects in handle table */
for(i = 0; i < mh->mtNoObjects; i++)
if(*(ht->objectHandle + i) != 0)
DeleteObject(*(ht->objectHandle + i));
/* free handle table */
HeapFree( SystemHeap, 0, ht );
if(loaded)
HeapFree( SystemHeap, 0, mh );
return TRUE;
}
/******************************************************************
* PlayMetaFile16 (GDI.123)
*
*/
BOOL16 WINAPI PlayMetaFile16( HDC16 hdc, HMETAFILE16 hmf )
{
BOOL16 ret;
METAHEADER *mh = MF_GetMetaHeader16( hmf );
ret = MF_PlayMetaFile( hdc, mh );
MF_ReleaseMetaHeader16( hmf );
return ret;
}
/******************************************************************
* PlayMetaFile (GDI32.265)
*
* Renders the metafile specified by hmf in the DC specified by
* hdc. Returns FALSE on failure, TRUE on success.
*/
BOOL WINAPI PlayMetaFile(
HDC hdc, /* handle of DC to render in */
HMETAFILE hmf /* handle of metafile to render */
)
{
BOOL ret;
METAHEADER *mh = MF_GetMetaHeader( hmf );
ret = MF_PlayMetaFile( hdc, mh );
MF_ReleaseMetaHeader( hmf );
return ret;
}
/******************************************************************
* EnumMetaFile16 (GDI.175)
*
*/
BOOL16 WINAPI EnumMetaFile16( HDC16 hdc, HMETAFILE16 hmf,
MFENUMPROC16 lpEnumFunc, LPARAM lpData )
{
METAHEADER *mh = MF_GetMetaHeader16(hmf);
METARECORD *mr;
HANDLETABLE16 *ht;
HGLOBAL16 hHT;
SEGPTR spht;
int offset = 0;
WORD i, seg;
HPEN hPen;
HBRUSH hBrush;
HFONT hFont;
DC *dc;
BOOL16 result = TRUE, loaded = FALSE;
TRACE("(%04x, %04x, %08lx, %08lx)\n",
hdc, hmf, (DWORD)lpEnumFunc, lpData);
if(!mh) return FALSE;
if(mh->mtType == METAFILE_DISK) { /* Create a memoery-based copy */
mh = MF_LoadDiskBasedMetaFile(mh);
if(!mh) return FALSE;
loaded = TRUE;
}
if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return 0;
hPen = dc->w.hPen;
hBrush = dc->w.hBrush;
hFont = dc->w.hFont;
GDI_HEAP_UNLOCK(hdc);
/* create the handle table */
hHT = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT,
sizeof(HANDLETABLE16) * mh->mtNoObjects);
spht = WIN16_GlobalLock16(hHT);
seg = GlobalHandleToSel16(hmf);
offset = mh->mtHeaderSize * 2;
/* loop through metafile records */
while (offset < (mh->mtSize * 2))
{
mr = (METARECORD *)((char *)mh + offset);
if (!lpEnumFunc( hdc, (HANDLETABLE16 *)spht,
(METARECORD *) PTR_SEG_OFF_TO_HUGEPTR(seg, offset),
mh->mtNoObjects, (LONG)lpData ))
{
result = FALSE;
break;
}
offset += (mr->rdSize * 2);
}
SelectObject(hdc, hBrush);
SelectObject(hdc, hPen);
SelectObject(hdc, hFont);
ht = (HANDLETABLE16 *)GlobalLock16(hHT);
/* free objects in handle table */
for(i = 0; i < mh->mtNoObjects; i++)
if(*(ht->objectHandle + i) != 0)
DeleteObject(*(ht->objectHandle + i));
/* free handle table */
GlobalFree16(hHT);
if(loaded)
HeapFree( SystemHeap, 0, mh );
MF_ReleaseMetaHeader16(hmf);
return result;
}
/******************************************************************
* EnumMetaFile (GDI32.88)
*
* Loop through the metafile records in hmf, calling the user-specified
* function for each one, stopping when the user's function returns FALSE
* (which is considered to be failure)
* or when no records are left (which is considered to be success).
*
* RETURNS
* TRUE on success, FALSE on failure.
*
* HISTORY
* Niels de carpentier, april 1996
*/
BOOL WINAPI EnumMetaFile(
HDC hdc,
HMETAFILE hmf,
MFENUMPROC lpEnumFunc,
LPARAM lpData
) {
METAHEADER *mh = MF_GetMetaHeader(hmf);
METARECORD *mr;
HANDLETABLE *ht;
BOOL result = TRUE, loaded = FALSE;
int i, offset = 0;
DC *dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
HPEN hPen;
HBRUSH hBrush;
HFONT hFont;
TRACE("(%08x,%08x,%p,%p)\n",
hdc, hmf, lpEnumFunc, (void*)lpData);
if (!mh) return 0;
if(mh->mtType == METAFILE_DISK) { /* Create a memoery-based copy */
mh = MF_LoadDiskBasedMetaFile(mh);
if(!mh) return 0;
loaded = TRUE;
}
/* save the current pen, brush and font */
if (!dc) return 0;
hPen = dc->w.hPen;
hBrush = dc->w.hBrush;
hFont = dc->w.hFont;
GDI_HEAP_UNLOCK(hdc);
ht = HeapAlloc( SystemHeap, HEAP_ZERO_MEMORY,
sizeof(HANDLETABLE) * mh->mtNoObjects);
/* loop through metafile records */
offset = mh->mtHeaderSize * 2;
while (offset < (mh->mtSize * 2))
{
mr = (METARECORD *)((char *)mh + offset);
TRACE("Calling EnumFunc with record type %x\n",
mr->rdFunction);
if (!lpEnumFunc( hdc, ht, mr, mh->mtNoObjects, (LONG)lpData ))
{
result = FALSE;
break;
}
offset += (mr->rdSize * 2);
}
/* restore pen, brush and font */
SelectObject(hdc, hBrush);
SelectObject(hdc, hPen);
SelectObject(hdc, hFont);
/* free objects in handle table */
for(i = 0; i < mh->mtNoObjects; i++)
if(*(ht->objectHandle + i) != 0)
DeleteObject(*(ht->objectHandle + i));
/* free handle table */
HeapFree( SystemHeap, 0, ht);
if(loaded)
HeapFree( SystemHeap, 0, mh );
MF_ReleaseMetaHeader(hmf);
return result;
}
static BOOL MF_Play_MetaCreateRegion( METARECORD *mr, HRGN hrgn );
static BOOL MF_Play_MetaExtTextOut(HDC16 hdc, METARECORD *mr);
/******************************************************************
* PlayMetaFileRecord16 (GDI.176)
*
* Render a single metafile record specified by *mr in the DC hdc, while
* using the handle table *ht, of length nHandles,
* to store metafile objects.
*
* BUGS
* The following metafile records are unimplemented:
*
* DRAWTEXT, ANIMATEPALETTE, SETPALENTRIES,
* RESIZEPALETTE, EXTFLOODFILL, RESETDC, STARTDOC, STARTPAGE, ENDPAGE,
* ABORTDOC, ENDDOC, CREATEBRUSH, CREATEBITMAPINDIRECT, and CREATEBITMAP.
*
*/
void WINAPI PlayMetaFileRecord16(
HDC16 hdc, /* DC to render metafile into */
HANDLETABLE16 *ht, /* pointer to handle table for metafile objects */
METARECORD *mr, /* pointer to metafile record to render */
UINT16 nHandles /* size of handle table */
) {
short s1;
HANDLE16 hndl;
char *ptr;
BITMAPINFOHEADER *infohdr;
TRACE("(%04x %08lx %08lx %04x) function %04x\n",
hdc,(LONG)ht, (LONG)mr, nHandles, mr->rdFunction);
switch (mr->rdFunction)
{
case META_EOF:
break;
case META_DELETEOBJECT:
DeleteObject(*(ht->objectHandle + *(mr->rdParm)));
*(ht->objectHandle + *(mr->rdParm)) = 0;
break;
case META_SETBKCOLOR:
SetBkColor16(hdc, MAKELONG(*(mr->rdParm), *(mr->rdParm + 1)));
break;
case META_SETBKMODE:
SetBkMode16(hdc, *(mr->rdParm));
break;
case META_SETMAPMODE:
SetMapMode16(hdc, *(mr->rdParm));
break;
case META_SETROP2:
SetROP216(hdc, *(mr->rdParm));
break;
case META_SETRELABS:
SetRelAbs16(hdc, *(mr->rdParm));
break;
case META_SETPOLYFILLMODE:
SetPolyFillMode16(hdc, *(mr->rdParm));
break;
case META_SETSTRETCHBLTMODE:
SetStretchBltMode16(hdc, *(mr->rdParm));
break;
case META_SETTEXTCOLOR:
SetTextColor16(hdc, MAKELONG(*(mr->rdParm), *(mr->rdParm + 1)));
break;
case META_SETWINDOWORG:
SetWindowOrg16(hdc, *(mr->rdParm + 1), *(mr->rdParm));
break;
case META_SETWINDOWEXT:
SetWindowExt16(hdc, *(mr->rdParm + 1), *(mr->rdParm));
break;
case META_SETVIEWPORTORG:
SetViewportOrg16(hdc, *(mr->rdParm + 1), *(mr->rdParm));
break;
case META_SETVIEWPORTEXT:
SetViewportExt16(hdc, *(mr->rdParm + 1), *(mr->rdParm));
break;
case META_OFFSETWINDOWORG:
OffsetWindowOrg16(hdc, *(mr->rdParm + 1), *(mr->rdParm));
break;
case META_SCALEWINDOWEXT:
ScaleWindowExt16(hdc, *(mr->rdParm + 3), *(mr->rdParm + 2),
*(mr->rdParm + 1), *(mr->rdParm));
break;
case META_OFFSETVIEWPORTORG:
OffsetViewportOrg16(hdc, *(mr->rdParm + 1), *(mr->rdParm));
break;
case META_SCALEVIEWPORTEXT:
ScaleViewportExt16(hdc, *(mr->rdParm + 3), *(mr->rdParm + 2),
*(mr->rdParm + 1), *(mr->rdParm));
break;
case META_LINETO:
LineTo(hdc, (INT16)*(mr->rdParm + 1), (INT16)*(mr->rdParm));
break;
case META_MOVETO:
MoveTo16(hdc, *(mr->rdParm + 1), *(mr->rdParm));
break;
case META_EXCLUDECLIPRECT:
ExcludeClipRect16( hdc, *(mr->rdParm + 3), *(mr->rdParm + 2),
*(mr->rdParm + 1), *(mr->rdParm) );
break;
case META_INTERSECTCLIPRECT:
IntersectClipRect16( hdc, *(mr->rdParm + 3), *(mr->rdParm + 2),
*(mr->rdParm + 1), *(mr->rdParm) );
break;
case META_ARC:
Arc(hdc, (INT16)*(mr->rdParm + 7), (INT16)*(mr->rdParm + 6),
(INT16)*(mr->rdParm + 5), (INT16)*(mr->rdParm + 4),
(INT16)*(mr->rdParm + 3), (INT16)*(mr->rdParm + 2),
(INT16)*(mr->rdParm + 1), (INT16)*(mr->rdParm));
break;
case META_ELLIPSE:
Ellipse(hdc, (INT16)*(mr->rdParm + 3), (INT16)*(mr->rdParm + 2),
(INT16)*(mr->rdParm + 1), (INT16)*(mr->rdParm));
break;
case META_FLOODFILL:
FloodFill(hdc, (INT16)*(mr->rdParm + 3), (INT16)*(mr->rdParm + 2),
MAKELONG(*(mr->rdParm), *(mr->rdParm + 1)));
break;
case META_PIE:
Pie(hdc, (INT16)*(mr->rdParm + 7), (INT16)*(mr->rdParm + 6),
(INT16)*(mr->rdParm + 5), (INT16)*(mr->rdParm + 4),
(INT16)*(mr->rdParm + 3), (INT16)*(mr->rdParm + 2),
(INT16)*(mr->rdParm + 1), (INT16)*(mr->rdParm));
break;
case META_RECTANGLE:
Rectangle(hdc, (INT16)*(mr->rdParm + 3), (INT16)*(mr->rdParm + 2),
(INT16)*(mr->rdParm + 1), (INT16)*(mr->rdParm));
break;
case META_ROUNDRECT:
RoundRect(hdc, (INT16)*(mr->rdParm + 5), (INT16)*(mr->rdParm + 4),
(INT16)*(mr->rdParm + 3), (INT16)*(mr->rdParm + 2),
(INT16)*(mr->rdParm + 1), (INT16)*(mr->rdParm));
break;
case META_PATBLT:
PatBlt16(hdc, *(mr->rdParm + 5), *(mr->rdParm + 4),
*(mr->rdParm + 3), *(mr->rdParm + 2),
MAKELONG(*(mr->rdParm), *(mr->rdParm + 1)));
break;
case META_SAVEDC:
SaveDC(hdc);
break;
case META_SETPIXEL:
SetPixel(hdc, (INT16)*(mr->rdParm + 3), (INT16)*(mr->rdParm + 2),
MAKELONG(*(mr->rdParm), *(mr->rdParm + 1)));
break;
case META_OFFSETCLIPRGN:
OffsetClipRgn16( hdc, *(mr->rdParm + 1), *(mr->rdParm) );
break;
case META_TEXTOUT:
s1 = *(mr->rdParm);
TextOut16(hdc, *(mr->rdParm + ((s1 + 1) >> 1) + 2),
*(mr->rdParm + ((s1 + 1) >> 1) + 1),
(char *)(mr->rdParm + 1), s1);
break;
case META_POLYGON:
Polygon16(hdc, (LPPOINT16)(mr->rdParm + 1), *(mr->rdParm));
break;
case META_POLYPOLYGON:
PolyPolygon16(hdc, (LPPOINT16)(mr->rdParm + *(mr->rdParm) + 1),
(LPINT16)(mr->rdParm + 1), *(mr->rdParm));
break;
case META_POLYLINE:
Polyline16(hdc, (LPPOINT16)(mr->rdParm + 1), *(mr->rdParm));
break;
case META_RESTOREDC:
RestoreDC(hdc, (INT16)*(mr->rdParm));
break;
case META_SELECTOBJECT:
SelectObject(hdc, *(ht->objectHandle + *(mr->rdParm)));
break;
case META_CHORD:
Chord(hdc, (INT16)*(mr->rdParm + 7), (INT16)*(mr->rdParm + 6),
(INT16)*(mr->rdParm + 5), (INT16)*(mr->rdParm + 4),
(INT16)*(mr->rdParm + 3), (INT16)*(mr->rdParm + 2),
(INT16)*(mr->rdParm + 1), (INT16)*(mr->rdParm));
break;
case META_CREATEPATTERNBRUSH:
switch (*(mr->rdParm))
{
case BS_PATTERN:
infohdr = (BITMAPINFOHEADER *)(mr->rdParm + 2);
MF_AddHandle(ht, nHandles,
CreatePatternBrush(CreateBitmap(infohdr->biWidth,
infohdr->biHeight,
infohdr->biPlanes,
infohdr->biBitCount,
(LPSTR)(mr->rdParm +
(sizeof(BITMAPINFOHEADER) / 2) + 4))));
break;
case BS_DIBPATTERN:
s1 = mr->rdSize * 2 - sizeof(METARECORD) - 2;
hndl = GlobalAlloc16(GMEM_MOVEABLE, s1);
ptr = GlobalLock16(hndl);
memcpy(ptr, mr->rdParm + 2, s1);
GlobalUnlock16(hndl);
MF_AddHandle(ht, nHandles,
CreateDIBPatternBrush(hndl, *(mr->rdParm + 1)));
GlobalFree16(hndl);
break;
default:
ERR("META_CREATEPATTERNBRUSH: Unknown pattern type %d\n",
mr->rdParm[0]);
break;
}
break;
case META_CREATEPENINDIRECT:
MF_AddHandle(ht, nHandles,
CreatePenIndirect16((LOGPEN16 *)(&(mr->rdParm))));
break;
case META_CREATEFONTINDIRECT:
MF_AddHandle(ht, nHandles,
CreateFontIndirect16((LOGFONT16 *)(&(mr->rdParm))));
break;
case META_CREATEBRUSHINDIRECT:
MF_AddHandle(ht, nHandles,
CreateBrushIndirect16((LOGBRUSH16 *)(&(mr->rdParm))));
break;
case META_CREATEPALETTE:
MF_AddHandle(ht, nHandles,
CreatePalette16((LPLOGPALETTE)mr->rdParm));
break;
case META_SETTEXTALIGN:
SetTextAlign16(hdc, *(mr->rdParm));
break;
case META_SELECTPALETTE:
SelectPalette16(hdc, *(ht->objectHandle + *(mr->rdParm+1)),
*(mr->rdParm));
break;
case META_SETMAPPERFLAGS:
SetMapperFlags16(hdc, MAKELONG(mr->rdParm[0],mr->rdParm[1]));
break;
case META_REALIZEPALETTE:
RealizePalette16(hdc);
break;
case META_ESCAPE:
FIXME("META_ESCAPE unimplemented.\n");
break;
case META_EXTTEXTOUT:
MF_Play_MetaExtTextOut( hdc, mr );
break;
case META_STRETCHDIB:
{
LPBITMAPINFO info = (LPBITMAPINFO) &(mr->rdParm[11]);
LPSTR bits = (LPSTR)info + DIB_BitmapInfoSize( info, mr->rdParm[2] );
StretchDIBits16(hdc,mr->rdParm[10],mr->rdParm[9],mr->rdParm[8],
mr->rdParm[7],mr->rdParm[6],mr->rdParm[5],
mr->rdParm[4],mr->rdParm[3],bits,info,
mr->rdParm[2],MAKELONG(mr->rdParm[0],mr->rdParm[1]));
}
break;
case META_DIBSTRETCHBLT:
{
LPBITMAPINFO info = (LPBITMAPINFO) &(mr->rdParm[10]);
LPSTR bits = (LPSTR)info + DIB_BitmapInfoSize( info, mr->rdParm[2] );
StretchDIBits16(hdc,mr->rdParm[9],mr->rdParm[8],mr->rdParm[7],
mr->rdParm[6],mr->rdParm[5],mr->rdParm[4],
mr->rdParm[3],mr->rdParm[2],bits,info,
DIB_RGB_COLORS,MAKELONG(mr->rdParm[0],mr->rdParm[1]));
}
break;
case META_STRETCHBLT:
{
HDC16 hdcSrc=CreateCompatibleDC16(hdc);
HBITMAP hbitmap=CreateBitmap(mr->rdParm[10], /*Width */
mr->rdParm[11], /*Height*/
mr->rdParm[13], /*Planes*/
mr->rdParm[14], /*BitsPixel*/
(LPSTR)&mr->rdParm[15]); /*bits*/
SelectObject(hdcSrc,hbitmap);
StretchBlt16(hdc,mr->rdParm[9],mr->rdParm[8],
mr->rdParm[7],mr->rdParm[6],
hdcSrc,mr->rdParm[5],mr->rdParm[4],
mr->rdParm[3],mr->rdParm[2],
MAKELONG(mr->rdParm[0],mr->rdParm[1]));
DeleteDC(hdcSrc);
}
break;
case META_BITBLT:
{
HDC16 hdcSrc=CreateCompatibleDC16(hdc);
HBITMAP hbitmap=CreateBitmap(mr->rdParm[7]/*Width */,
mr->rdParm[8]/*Height*/,
mr->rdParm[10]/*Planes*/,
mr->rdParm[11]/*BitsPixel*/,
(LPSTR)&mr->rdParm[12]/*bits*/);
SelectObject(hdcSrc,hbitmap);
BitBlt(hdc,(INT16)mr->rdParm[6],(INT16)mr->rdParm[5],
(INT16)mr->rdParm[4],(INT16)mr->rdParm[3],
hdcSrc, (INT16)mr->rdParm[2],(INT16)mr->rdParm[1],
MAKELONG(0,mr->rdParm[0]));
DeleteDC(hdcSrc);
}
break;
case META_CREATEREGION:
{
HRGN hrgn = CreateRectRgn(0,0,0,0);
MF_Play_MetaCreateRegion(mr, hrgn);
MF_AddHandle(ht, nHandles, hrgn);
}
break;
case META_FILLREGION:
FillRgn16(hdc, *(ht->objectHandle + *(mr->rdParm+1)),
*(ht->objectHandle + *(mr->rdParm)));
break;
case META_FRAMEREGION:
FrameRgn16(hdc, *(ht->objectHandle + *(mr->rdParm+3)),
*(ht->objectHandle + *(mr->rdParm+2)),
*(mr->rdParm+1), *(mr->rdParm));
break;
case META_INVERTREGION:
InvertRgn16(hdc, *(ht->objectHandle + *(mr->rdParm)));
break;
case META_PAINTREGION:
PaintRgn16(hdc, *(ht->objectHandle + *(mr->rdParm)));
break;
case META_SELECTCLIPREGION:
SelectClipRgn(hdc, *(ht->objectHandle + *(mr->rdParm)));
break;
case META_DIBCREATEPATTERNBRUSH:
/* *(mr->rdParm) may be BS_PATTERN or BS_DIBPATTERN:
but there's no difference */
TRACE("%d\n",*(mr->rdParm));
s1 = mr->rdSize * 2 - sizeof(METARECORD) - 2;
hndl = GlobalAlloc16(GMEM_MOVEABLE, s1);
ptr = GlobalLock16(hndl);
memcpy(ptr, mr->rdParm + 2, s1);
GlobalUnlock16(hndl);
MF_AddHandle(ht, nHandles,
CreateDIBPatternBrush16(hndl, *(mr->rdParm + 1)));
GlobalFree16(hndl);
break;
case META_DIBBITBLT:
/* In practice I've found that there are two layouts for
META_DIBBITBLT, one (the first here) is the usual one when a src
dc is actually passed to it, the second occurs when the src dc is
passed in as NULL to the creating BitBlt. As the second case has
no dib, a size check will suffice to distinguish.
Caolan.McNamara@ul.ie */
if (mr->rdSize > 12) {
LPBITMAPINFO info = (LPBITMAPINFO) &(mr->rdParm[8]);
LPSTR bits = (LPSTR)info + DIB_BitmapInfoSize(info, mr->rdParm[0]);
StretchDIBits16(hdc, mr->rdParm[7], mr->rdParm[6], mr->rdParm[5],
mr->rdParm[4], mr->rdParm[3], mr->rdParm[2],
mr->rdParm[5], mr->rdParm[4], bits, info,
DIB_RGB_COLORS,
MAKELONG(mr->rdParm[0], mr->rdParm[1]));
} else { /* equivalent to a PatBlt */
PatBlt16(hdc, mr->rdParm[8], mr->rdParm[7],
mr->rdParm[6], mr->rdParm[5],
MAKELONG(mr->rdParm[0], mr->rdParm[1]));
}
break;
case META_SETTEXTCHAREXTRA:
SetTextCharacterExtra16(hdc, (INT16)*(mr->rdParm));
break;
case META_SETTEXTJUSTIFICATION:
SetTextJustification(hdc, *(mr->rdParm + 1), *(mr->rdParm));
break;
case META_EXTFLOODFILL:
ExtFloodFill(hdc, (INT16)*(mr->rdParm + 4), (INT16)*(mr->rdParm + 3),
MAKELONG(*(mr->rdParm+1), *(mr->rdParm + 2)),
*(mr->rdParm));
break;
case META_SETDIBTODEV:
{
BITMAPINFO *info = (BITMAPINFO *) &(mr->rdParm[9]);
char *bits = (char *)info + DIB_BitmapInfoSize( info, mr->rdParm[0] );
SetDIBitsToDevice(hdc, (INT16)mr->rdParm[8], (INT16)mr->rdParm[7],
(INT16)mr->rdParm[6], (INT16)mr->rdParm[5],
(INT16)mr->rdParm[4], (INT16)mr->rdParm[3],
mr->rdParm[2], mr->rdParm[1], bits, info,
mr->rdParm[0]);
break;
}
#define META_UNIMP(x) case x: \
FIXME("PlayMetaFileRecord:record type "#x" not implemented.\n"); \
break;
META_UNIMP(META_DRAWTEXT)
META_UNIMP(META_ANIMATEPALETTE)
META_UNIMP(META_SETPALENTRIES)
META_UNIMP(META_RESIZEPALETTE)
META_UNIMP(META_RESETDC)
META_UNIMP(META_STARTDOC)
META_UNIMP(META_STARTPAGE)
META_UNIMP(META_ENDPAGE)
META_UNIMP(META_ABORTDOC)
META_UNIMP(META_ENDDOC)
META_UNIMP(META_CREATEBRUSH)
META_UNIMP(META_CREATEBITMAPINDIRECT)
META_UNIMP(META_CREATEBITMAP)
#undef META_UNIMP
default:
WARN("PlayMetaFileRecord: Unknown record type %x\n",
mr->rdFunction);
}
}
/******************************************************************
* PlayMetaFileRecord (GDI32.266)
*/
BOOL WINAPI PlayMetaFileRecord( HDC hdc, HANDLETABLE *handletable,
METARECORD *metarecord, UINT handles )
{
HANDLETABLE16 * ht = (void *)GlobalAlloc(GPTR,
handles*sizeof(HANDLETABLE16));
int i = 0;
TRACE("(%08x,%p,%p,%d)\n", hdc, handletable, metarecord,
handles);
for (i=0; i<handles; i++)
ht->objectHandle[i] = handletable->objectHandle[i];
PlayMetaFileRecord16(hdc, ht, metarecord, handles);
for (i=0; i<handles; i++)
handletable->objectHandle[i] = ht->objectHandle[i];
GlobalFree((HGLOBAL)ht);
return TRUE;
}
/******************************************************************
* GetMetaFileBits (GDI.159)
*
* Trade in a metafile object handle for a handle to the metafile memory.
*
*/
HGLOBAL16 WINAPI GetMetaFileBits16(
HMETAFILE16 hmf /* metafile handle */
)
{
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.
*/
HMETAFILE16 WINAPI SetMetaFileBits16(
HGLOBAL16 hMem
/* handle to a memory region holding a metafile */
)
{
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 (HMETAFILE16)GlobalReAlloc16( hMeta, 0,
GMEM_SHARE | GMEM_NODISCARD | GMEM_MODIFY);
return (HMETAFILE16)0;
}
/******************************************************************
* SetMetaFileBitsEx (GDI32.323)
*
* Create a metafile from raw data. No checking of the data is performed.
* Use _GetMetaFileBitsEx_ to get raw data from a metafile.
*/
HMETAFILE WINAPI SetMetaFileBitsEx(
UINT size, /* size of metafile, in bytes */
const BYTE *lpData /* pointer to metafile data */
)
{
METAHEADER *mh = HeapAlloc( SystemHeap, 0, size );
if (!mh) return 0;
memcpy(mh, lpData, size);
return MF_Create_HMETAFILE(mh);
}
/*****************************************************************
* GetMetaFileBitsEx (GDI32.198) Get raw metafile data
*
* Copies the data from metafile _hmf_ into the buffer _buf_.
* If _buf_ is zero, returns size of buffer required. Otherwise,
* returns number of bytes copied.
*/
UINT WINAPI GetMetaFileBitsEx(
HMETAFILE hmf, /* metafile */
UINT nSize, /* size of buf */
LPVOID buf /* buffer to receive raw metafile data */
) {
METAHEADER *mh = MF_GetMetaHeader(hmf);
UINT mfSize;
TRACE("(%08x,%d,%p)\n", hmf, nSize, buf);
if (!mh) return 0; /* FIXME: error code */
if(mh->mtType == METAFILE_DISK)
FIXME("Disk-based metafile?\n");
mfSize = mh->mtSize * 2;
if (!buf) {
MF_ReleaseMetaHeader(hmf);
TRACE("returning size %d\n", mfSize);
return mfSize;
}
if(mfSize > nSize) mfSize = nSize;
memmove(buf, mh, mfSize);
MF_ReleaseMetaHeader(hmf);
return mfSize;
}
/******************************************************************
* GetWinMetaFileBits [GDI32.241]
*/
UINT WINAPI GetWinMetaFileBits(HENHMETAFILE hemf,
UINT cbBuffer, LPBYTE lpbBuffer,
INT fnMapMode, HDC hdcRef)
{
FIXME("(%d,%d,%p,%d,%d): stub\n",
hemf, cbBuffer, lpbBuffer, fnMapMode, hdcRef);
return 0;
}
/******************************************************************
* MF_Play_MetaCreateRegion
*
* Handles META_CREATEREGION for PlayMetaFileRecord().
*/
/*
* The layout of the record looks something like this:
*
* rdParm meaning
* 0 Always 0?
* 1 Always 6?
* 2 Looks like a handle? - not constant
* 3 0 or 1 ??
* 4 Total number of bytes
* 5 No. of seperate bands = n [see below]
* 6 Largest number of x co-ords in a band
* 7-10 Bounding box x1 y1 x2 y2
* 11-... n bands
*
* Regions are divided into bands that are uniform in the
* y-direction. Each band consists of pairs of on/off x-coords and is
* written as
* m y0 y1 x1 x2 x3 ... xm m
* into successive rdParm[]s.
*
* This is probably just a dump of the internal RGNOBJ?
*
* HDMD - 18/12/97
*
*/
static BOOL MF_Play_MetaCreateRegion( METARECORD *mr, HRGN hrgn )
{
WORD band, pair;
WORD *start, *end;
INT16 y0, y1;
HRGN hrgn2 = CreateRectRgn( 0, 0, 0, 0 );
for(band = 0, start = &(mr->rdParm[11]); band < mr->rdParm[5];
band++, start = end + 1) {
if(*start / 2 != (*start + 1) / 2) {
WARN("Delimiter not even.\n");
DeleteObject( hrgn2 );
return FALSE;
}
end = start + *start + 3;
if(end > (WORD *)mr + mr->rdSize) {
WARN("End points outside record.\n");
DeleteObject( hrgn2 );
return FALSE;
}
if(*start != *end) {
WARN("Mismatched delimiters.\n");
DeleteObject( hrgn2 );
return FALSE;
}
y0 = *(INT16 *)(start + 1);
y1 = *(INT16 *)(start + 2);
for(pair = 0; pair < *start / 2; pair++) {
SetRectRgn( hrgn2, *(INT16 *)(start + 3 + 2*pair), y0,
*(INT16 *)(start + 4 + 2*pair), y1 );
CombineRgn(hrgn, hrgn, hrgn2, RGN_OR);
}
}
DeleteObject( hrgn2 );
return TRUE;
}
/******************************************************************
* MF_Play_MetaExtTextOut
*
* Handles META_EXTTEXTOUT for PlayMetaFileRecord().
*/
static BOOL MF_Play_MetaExtTextOut(HDC16 hdc, METARECORD *mr)
{
LPINT16 dxx;
LPSTR sot;
DWORD len;
WORD s1;
s1 = mr->rdParm[2]; /* String length */
len = sizeof(METARECORD) + (((s1 + 1) >> 1) * 2) + 2 * sizeof(short)
+ sizeof(UINT16) + (mr->rdParm[3] ? sizeof(RECT16) : 0);
/* rec len without dx array */
sot = (LPSTR)&mr->rdParm[4]; /* start_of_text */
if (mr->rdParm[3])
sot += sizeof(RECT16); /* there is a rectangle, so add offset */
if (mr->rdSize == len / 2)
dxx = NULL; /* determine if array present */
else
if (mr->rdSize == (len + s1 * sizeof(INT16)) / 2)
dxx = (LPINT16)(sot+(((s1+1)>>1)*2));
else {
TRACE("%s len: %ld\n", sot, mr->rdSize);
WARN(
"Please report: ExtTextOut len=%ld slen=%d rdSize=%ld opt=%04x\n",
len, s1, mr->rdSize, mr->rdParm[3]);
dxx = NULL; /* should't happen -- but if, we continue with NULL */
}
ExtTextOut16( hdc, mr->rdParm[1], /* X position */
mr->rdParm[0], /* Y position */
mr->rdParm[3], /* options */
mr->rdParm[3] ? (LPRECT16) &mr->rdParm[4]:NULL,
/* rectangle */
sot, /* string */
s1, dxx); /* length, dx array */
if (dxx)
TRACE("%s len: %ld dx0: %d\n", sot, mr->rdSize, dxx[0]);
return TRUE;
}
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