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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 1996
*
*/
#include <string.h>
#include <fcntl.h>
#include "gdi.h"
#include "bitmap.h"
#include "file.h"
#include "metafile.h"
#include "stackframe.h"
#include "stddebug.h"
#include "debug.h"
#define HTINCR 10 /* handle table allocation size increment */
static HANDLE hHT; /* handle of the handle table */
static int HTLen; /* allocated length of handle table */
/******************************************************************
* GetMetafile GDI.124 By Kenny MacDonald 30 Nov 94
*/
HMETAFILE16 GetMetaFile(LPSTR lpFilename)
{
HMETAFILE16 hmf;
METAHEADER *mh;
HFILE hFile;
DWORD size;
dprintf_metafile(stddeb,"GetMetaFile: %s\n", lpFilename);
if (!lpFilename)
return 0;
hmf = GlobalAlloc16(GMEM_MOVEABLE, MFHEADERSIZE);
mh = (METAHEADER *)GlobalLock16(hmf);
if (!mh) {
GlobalFree16(hmf);
return 0;
}
if ((hFile = _lopen(lpFilename, OF_READ)) == HFILE_ERROR) {
GlobalFree16(hmf);
return 0;
}
if (FILE_Read(hFile, (char *)mh, MFHEADERSIZE) == HFILE_ERROR) {
GlobalFree16(hmf);
return 0;
}
size = mh->mtSize * 2; /* alloc memory for whole metafile */
GlobalUnlock16(hmf);
hmf = GlobalReAlloc16(hmf,size,GMEM_MOVEABLE);
mh = (METAHEADER *)GlobalLock16(hmf);
if (!mh) {
GlobalFree16(hmf);
return 0;
}
if (FILE_Read(hFile, (char*)mh + mh->mtHeaderSize * 2,
size - mh->mtHeaderSize * 2) == HFILE_ERROR) {
GlobalFree16(hmf);
return 0;
}
_lclose(hFile);
if (mh->mtType != 1) {
GlobalFree16(hmf);
return 0;
}
GlobalUnlock16(hmf);
return hmf;
}
/******************************************************************
* CreateMetafile GDI.125
*/
HANDLE CreateMetaFile(LPCSTR lpFilename)
{
DC *dc;
HANDLE handle;
METAHEADER *mh;
int hFile;
dprintf_metafile(stddeb,"CreateMetaFile: %s\n", lpFilename);
handle = GDI_AllocObject(sizeof(DC), METAFILE_DC_MAGIC);
if (!handle)
return 0;
dc = (DC *)GDI_HEAP_LIN_ADDR(handle);
if (!(dc->w.hMetaFile = GlobalAlloc16(GMEM_MOVEABLE, sizeof(METAHEADER)))) {
GDI_FreeObject(handle);
return 0;
}
dc->w.bitsPerPixel = screenDepth;
mh = (METAHEADER *)GlobalLock16(dc->w.hMetaFile);
mh->mtHeaderSize = MFHEADERSIZE / 2;
mh->mtVersion = MFVERSION;
mh->mtSize = MFHEADERSIZE / 2;
mh->mtNoObjects = 0;
mh->mtMaxRecord = 0;
mh->mtNoParameters = 0;
if (lpFilename) /* disk based metafile */
{
mh->mtType = 1; /* disk */
hFile = _lcreat(lpFilename, 0);
if (_lwrite(hFile, (char *)mh, MFHEADERSIZE) == -1)
{
GlobalFree16(dc->w.hMetaFile);
return 0;
}
mh->mtNoParameters = hFile; /* store file descriptor here */
/* windows probably uses this too*/
}
else /* memory based metafile */
mh->mtType = 0;
/* create the handle table */
HTLen = HTINCR;
hHT = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT,
sizeof(HANDLETABLE16) * HTLen);
GlobalUnlock16(dc->w.hMetaFile);
dprintf_metafile(stddeb,"CreateMetaFile: returning %04x\n", handle);
return handle;
}
/******************************************************************
* CopyMetafile GDI.151 Niels de Carpentier, April 1996
*/
HMETAFILE16 CopyMetaFile(HMETAFILE16 hSrcMetaFile, LPCSTR lpFilename)
{
HMETAFILE16 handle = 0;
METAHEADER *mh;
METAHEADER *mh2;
int hFile;
dprintf_metafile(stddeb,"CopyMetaFile: %s\n", lpFilename);
mh = (METAHEADER *)GlobalLock16(hSrcMetaFile);
if (!mh)
return 0;
if (lpFilename) /* disk based metafile */
{
int i,j;
hFile = _lcreat(lpFilename, 0);
j=mh->mtType;
mh->mtType=1; /* disk file version stores 1 here */
i=_lwrite(hFile, (char *)mh, mh->mtSize * 2) ;
mh->mtType=j; /* restore old value [0 or 1] */
_lclose(hFile);
if (i == -1)
return 0;
}
else /* memory based metafile */
{
handle = GlobalAlloc16(GMEM_MOVEABLE,mh->mtSize * 2);
mh2 = (METAHEADER *)GlobalLock16(handle);
memcpy(mh2,mh, mh->mtSize * 2);
GlobalUnlock16(handle);
}
return handle;
}
/******************************************************************
* IsValidMetaFile (GDI.410)
* (This is not exactly what windows does, see "Undoc Win")
*/
BOOL IsValidMetaFile(HMETAFILE16 hmf)
{
BOOL resu=FALSE;
METAHEADER *mh = (METAHEADER *)GlobalLock16(hmf);
if (mh)
if (mh->mtType == 1 || mh->mtType == 0)
if (mh->mtHeaderSize == MFHEADERSIZE/sizeof(INT16))
if (mh->mtVersion == MFVERSION)
resu=TRUE;
GlobalUnlock16(hmf);
dprintf_metafile(stddeb,"IsValidMetaFile %x => %d\n",hmf,resu);
return resu;
}
/******************************************************************
* CloseMetafile GDI.126
*/
HMETAFILE16 CloseMetaFile(HDC hdc)
{
DC *dc;
METAHEADER *mh;
HMETAFILE16 hmf;
HFILE hFile;
dprintf_metafile(stddeb,"CloseMetaFile\n");
dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
if (!dc)
return 0;
mh = (METAHEADER *)GlobalLock16(dc->w.hMetaFile);
/* Construct the end of metafile record - this is documented
* in SDK Knowledgebase Q99334.
*/
if (!MF_MetaParam0(dc, META_EOF))
{
GlobalFree16(dc->w.hMetaFile);
return 0;
}
if (mh->mtType == 1) /* disk based metafile */
{
hFile = mh->mtNoParameters;
mh->mtNoParameters = 0;
if (_llseek(hFile, 0L, 0) == -1)
{
GlobalFree16(dc->w.hMetaFile);
return 0;
}
if (_lwrite(hFile, (char *)mh, MFHEADERSIZE) == -1)
{
GlobalFree16(dc->w.hMetaFile);
return 0;
}
_lclose(hFile);
}
/* delete the handle table */
GlobalFree16(hHT);
hmf = dc->w.hMetaFile;
GlobalUnlock16(hmf);
GDI_FreeObject(hdc);
return hmf;
}
/******************************************************************
* DeleteMetafile GDI.127
*/
BOOL DeleteMetaFile(HMETAFILE16 hmf)
{
METAHEADER *mh = (METAHEADER *)GlobalLock16(hmf);
if (!mh)
return FALSE;
GlobalFree16(hmf);
return TRUE;
}
/******************************************************************
* PlayMetafile GDI.123
*/
BOOL PlayMetaFile(HDC hdc, HMETAFILE16 hmf)
{
METAHEADER *mh = (METAHEADER *)GlobalLock16(hmf);
METARECORD *mr;
HANDLETABLE16 *ht;
int offset = 0;
WORD i;
dprintf_metafile(stddeb,"PlayMetaFile(%04x %04x)\n",hdc,hmf);
/* create the handle table */
hHT = GlobalAlloc16(GMEM_MOVEABLE|GMEM_ZEROINIT,
sizeof(HANDLETABLE16) * mh->mtNoObjects);
ht = (HANDLETABLE16 *)GlobalLock16(hHT);
/* loop through metafile playing records */
offset = mh->mtHeaderSize * 2;
while (offset < mh->mtSize * 2)
{
mr = (METARECORD *)((char *)mh + offset);
dprintf_metafile(stddeb,"offset = %04x size = %08lx function = %04x\n",
offset,mr->rdSize,mr->rdFunction);
offset += mr->rdSize * 2;
PlayMetaFileRecord(hdc, ht, mr, mh->mtNoObjects);
}
/* 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);
return TRUE;
}
/******************************************************************
* EnumMetafile GDI.175
* Niels de carpentier, april 1996
*/
BOOL EnumMetaFile(HDC hdc, HMETAFILE16 hmf, MFENUMPROC16 lpEnumFunc,LPARAM lpData)
{
METAHEADER *mh = (METAHEADER *)GlobalLock16(hmf);
METARECORD *mr;
SEGPTR ht;
int offset = 0;
dprintf_metafile(stddeb,"EnumMetaFile(%04x, %04x, %08lx, %08lx)\n",
hdc, hmf, (DWORD)lpEnumFunc, lpData);
/* create the handle table */
hHT = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT,
sizeof(HANDLETABLE16) * mh->mtNoObjects);
ht = WIN16_GlobalLock16(hHT);
offset = mh->mtHeaderSize * 2;
/* loop through metafile records */
while (offset < (mh->mtSize * 2))
{
mr = (METARECORD *)((char *)mh + offset);
if (!lpEnumFunc( hdc, ht, MAKE_SEGPTR(mr), /* FIXME!! */
mh->mtNoObjects, (LONG)lpData))
break;
offset += (mr->rdSize * 2);
}
/* free handle table */
GlobalFree16(hHT);
return TRUE;
}
/*******************************************************************
* MF_GetDIBitsPointer [internal helper for e.g. PlayMetaFileRecord]
*
* Returns offset to DIB bits or 0 if error
* (perhaps should be moved to (objects/dib.c ?)
*/
static LPSTR MF_GetDIBitsPointer(LPBITMAPINFO info)
{
int offset;
if (info->bmiHeader.biSize == sizeof(BITMAPINFOHEADER))
{
if (info->bmiHeader.biClrUsed)
{
if (info->bmiHeader.biClrUsed < (1 << info->bmiHeader.biBitCount))
offset = info->bmiHeader.biClrUsed * 4;
else
offset = (1 << info->bmiHeader.biBitCount) * 4;
}
else
offset = (1 << info->bmiHeader.biBitCount) * 4;
}
else if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
{
if (info->bmiHeader.biClrUsed)
{
if (info->bmiHeader.biClrUsed < (1 << info->bmiHeader.biBitCount))
offset = info->bmiHeader.biClrUsed * 3;
else
offset = (1 << info->bmiHeader.biBitCount) * 3;
}
else
offset = (1 << info->bmiHeader.biBitCount) * 3;
}
else
{
fprintf(stderr,"Unknown size for BITMAPHEADER in MetaFile!\n");
return NULL;
}
return (LPSTR)info + info->bmiHeader.biSize + offset;
}
/******************************************************************
* PlayMetaFileRecord GDI.176
*/
void PlayMetaFileRecord(HDC hdc, HANDLETABLE16 *ht, METARECORD *mr,
WORD nHandles)
{
short s1;
HANDLE hndl;
char *ptr;
BITMAPINFOHEADER *infohdr;
dprintf_metafile(stddeb,"PlayMetaFileRecord(%04x %08lx %08lx %04x)\n",
hdc,(LONG)ht, (LONG)mr, nHandles);
switch (mr->rdFunction)
{
case META_EOF:
break;
case META_DELETEOBJECT:
DeleteObject(*(ht->objectHandle + *(mr->rdParam)));
*(ht->objectHandle + *(mr->rdParam)) = 0;
break;
case META_SETBKCOLOR:
SetBkColor(hdc, *(mr->rdParam));
break;
case META_SETBKMODE:
SetBkMode(hdc, *(mr->rdParam));
break;
case META_SETMAPMODE:
SetMapMode(hdc, *(mr->rdParam));
break;
case META_SETROP2:
SetROP2(hdc, *(mr->rdParam));
break;
case META_SETRELABS:
SetRelAbs(hdc, *(mr->rdParam));
break;
case META_SETPOLYFILLMODE:
SetPolyFillMode(hdc, *(mr->rdParam));
break;
case META_SETSTRETCHBLTMODE:
SetStretchBltMode(hdc, *(mr->rdParam));
break;
case META_SETTEXTCOLOR:
SetTextColor(hdc, MAKELONG(*(mr->rdParam), *(mr->rdParam + 1)));
break;
case META_SETWINDOWORG:
SetWindowOrg(hdc, *(mr->rdParam + 1), *(mr->rdParam));
break;
case META_SETWINDOWEXT:
SetWindowExt(hdc, *(mr->rdParam + 1), *(mr->rdParam));
break;
case META_SETVIEWPORTORG:
SetViewportOrg(hdc, *(mr->rdParam + 1), *(mr->rdParam));
break;
case META_SETVIEWPORTEXT:
SetViewportExt(hdc, *(mr->rdParam + 1), *(mr->rdParam));
break;
case META_OFFSETWINDOWORG:
OffsetWindowOrg(hdc, *(mr->rdParam + 1), *(mr->rdParam));
break;
case META_SCALEWINDOWEXT:
ScaleWindowExt(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
*(mr->rdParam + 1), *(mr->rdParam));
break;
case META_OFFSETVIEWPORTORG:
OffsetViewportOrg(hdc, *(mr->rdParam + 1), *(mr->rdParam));
break;
case META_SCALEVIEWPORTEXT:
ScaleViewportExt(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
*(mr->rdParam + 1), *(mr->rdParam));
break;
case META_LINETO:
LineTo(hdc, *(mr->rdParam + 1), *(mr->rdParam));
break;
case META_MOVETO:
MoveTo(hdc, *(mr->rdParam + 1), *(mr->rdParam));
break;
case META_EXCLUDECLIPRECT:
ExcludeClipRect(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
*(mr->rdParam + 1), *(mr->rdParam));
break;
case META_INTERSECTCLIPRECT:
IntersectClipRect(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
*(mr->rdParam + 1), *(mr->rdParam));
break;
case META_ARC:
Arc(hdc, *(mr->rdParam + 7), *(mr->rdParam + 6), *(mr->rdParam + 5),
*(mr->rdParam + 4), *(mr->rdParam + 3), *(mr->rdParam + 2),
*(mr->rdParam + 1), *(mr->rdParam));
break;
case META_ELLIPSE:
Ellipse(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
*(mr->rdParam + 1), *(mr->rdParam));
break;
case META_FLOODFILL:
FloodFill(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
MAKELONG(*(mr->rdParam + 1), *(mr->rdParam)));
break;
case META_PIE:
Pie(hdc, *(mr->rdParam + 7), *(mr->rdParam + 6), *(mr->rdParam + 5),
*(mr->rdParam + 4), *(mr->rdParam + 3), *(mr->rdParam + 2),
*(mr->rdParam + 1), *(mr->rdParam));
break;
case META_RECTANGLE:
Rectangle(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
*(mr->rdParam + 1), *(mr->rdParam));
break;
case META_ROUNDRECT:
RoundRect(hdc, *(mr->rdParam + 5), *(mr->rdParam + 4),
*(mr->rdParam + 3), *(mr->rdParam + 2),
*(mr->rdParam + 1), *(mr->rdParam));
break;
case META_PATBLT:
PatBlt(hdc, *(mr->rdParam + 5), *(mr->rdParam + 4),
*(mr->rdParam + 3), *(mr->rdParam + 2),
MAKELONG(*(mr->rdParam), *(mr->rdParam + 1)));
break;
case META_SAVEDC:
SaveDC(hdc);
break;
case META_SETPIXEL:
SetPixel(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
MAKELONG(*(mr->rdParam + 1), *(mr->rdParam)));
break;
case META_OFFSETCLIPRGN:
OffsetClipRgn(hdc, *(mr->rdParam + 1), *(mr->rdParam));
break;
case META_TEXTOUT:
s1 = *(mr->rdParam);
TextOut16(hdc, *(mr->rdParam + ((s1 + 1) >> 1) + 2),
*(mr->rdParam + ((s1 + 1) >> 1) + 1),
(char *)(mr->rdParam + 1), s1);
break;
case META_POLYGON:
Polygon16(hdc, (LPPOINT16)(mr->rdParam + 1), *(mr->rdParam));
break;
case META_POLYPOLYGON:
PolyPolygon16(hdc, (LPPOINT16)(mr->rdParam + *(mr->rdParam) + 1),
(LPINT16)(mr->rdParam + 1), *(mr->rdParam));
break;
case META_POLYLINE:
Polyline16(hdc, (LPPOINT16)(mr->rdParam + 1), *(mr->rdParam));
break;
case META_RESTOREDC:
RestoreDC(hdc, *(mr->rdParam));
break;
case META_SELECTOBJECT:
SelectObject(hdc, *(ht->objectHandle + *(mr->rdParam)));
break;
case META_CHORD:
Chord(hdc, *(mr->rdParam + 7), *(mr->rdParam + 6), *(mr->rdParam + 5),
*(mr->rdParam + 4), *(mr->rdParam + 3), *(mr->rdParam + 2),
*(mr->rdParam + 1), *(mr->rdParam));
break;
case META_CREATEPATTERNBRUSH:
switch (*(mr->rdParam))
{
case BS_PATTERN:
infohdr = (BITMAPINFOHEADER *)(mr->rdParam + 2);
MF_AddHandle(ht, nHandles,
CreatePatternBrush(CreateBitmap(infohdr->biWidth,
infohdr->biHeight,
infohdr->biPlanes,
infohdr->biBitCount,
(LPSTR)(mr->rdParam +
(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->rdParam + 2, s1);
GlobalUnlock16(hndl);
MF_AddHandle(ht, nHandles,
CreateDIBPatternBrush(hndl, *(mr->rdParam + 1)));
GlobalFree16(hndl);
}
break;
case META_CREATEPENINDIRECT:
MF_AddHandle(ht, nHandles,
CreatePenIndirect((LOGPEN16 *)(&(mr->rdParam))));
break;
case META_CREATEFONTINDIRECT:
MF_AddHandle(ht, nHandles,
CreateFontIndirect16((LOGFONT16 *)(&(mr->rdParam))));
break;
case META_CREATEBRUSHINDIRECT:
MF_AddHandle(ht, nHandles,
CreateBrushIndirect((LOGBRUSH16 *)(&(mr->rdParam))));
break;
/* W. Magro: Some new metafile operations. Not all debugged. */
case META_CREATEPALETTE:
MF_AddHandle(ht, nHandles,
CreatePalette((LPLOGPALETTE)mr->rdParam));
break;
case META_SETTEXTALIGN:
SetTextAlign(hdc, *(mr->rdParam));
break;
case META_SELECTPALETTE:
SelectPalette(hdc, *(ht->objectHandle + *(mr->rdParam+1)),*(mr->rdParam));
break;
case META_SETMAPPERFLAGS:
SetMapperFlags(hdc, *(mr->rdParam));
break;
case META_REALIZEPALETTE:
RealizePalette(hdc);
break;
case META_ESCAPE:
dprintf_metafile(stddeb,"PlayMetaFileRecord: META_ESCAPE unimplemented.\n");
break;
/* --- Begin of fixed or new metafile operations. July 1996 ----*/
case META_EXTTEXTOUT:
{
LPINT16 dxx;
s1=mr->rdParam[2]; /* String length */
if (mr->rdSize-(s1+1))
dxx=&mr->rdParam[8+(s1+1)/2]; /* start of array */
else
dxx=NULL; /* NO array present */
ExtTextOut16( hdc, mr->rdParam[1], /* X position */
mr->rdParam[0], /* Y position */
mr->rdParam[3], /* options */
(LPRECT16) &mr->rdParam[4], /* rectangle */
(char *)(mr->rdParam + 8), /* string */
s1, dxx); /* length, dx array */
if (dxx)
dprintf_metafile(stddeb,"EXTTEXTOUT len: %ld (%hd %hd) [%s].\n",
mr->rdSize,dxx[0],dxx[1],(char*) &(mr->rdParam[8]) );
}
break;
case META_STRETCHDIB:
{
LPBITMAPINFO info = (LPBITMAPINFO) &(mr->rdParam[11]);
LPSTR bits = MF_GetDIBitsPointer(info);
if (bits)
StretchDIBits(hdc,mr->rdParam[10],mr->rdParam[9],mr->rdParam[8],
mr->rdParam[7],mr->rdParam[6],mr->rdParam[5],
mr->rdParam[4],mr->rdParam[3],bits,info,
mr->rdParam[2],MAKELONG(mr->rdParam[0],mr->rdParam[1]));
}
break;
case META_DIBSTRETCHBLT:
{
LPBITMAPINFO info = (LPBITMAPINFO) &(mr->rdParam[10]);
LPSTR bits = MF_GetDIBitsPointer(info);
if (bits)
StretchDIBits(hdc,mr->rdParam[9],mr->rdParam[8],mr->rdParam[7],
mr->rdParam[6],mr->rdParam[5],mr->rdParam[4],
mr->rdParam[3],mr->rdParam[2],bits,info,
DIB_RGB_COLORS,MAKELONG(mr->rdParam[0],mr->rdParam[1]));
}
break;
case META_STRETCHBLT:
{
HDC hdcSrc=CreateCompatibleDC(hdc);
HBITMAP16 hbitmap=CreateBitmap(mr->rdParam[10], /*Width */
mr->rdParam[11], /*Height*/
mr->rdParam[13], /*Planes*/
mr->rdParam[14], /*BitsPixel*/
(LPSTR)&mr->rdParam[15]); /*bits*/
SelectObject(hdcSrc,hbitmap);
StretchBlt(hdc,mr->rdParam[9],mr->rdParam[8],
mr->rdParam[7],mr->rdParam[6],
hdcSrc,mr->rdParam[5],mr->rdParam[4],
mr->rdParam[3],mr->rdParam[2],
MAKELONG(mr->rdParam[0],mr->rdParam[1]));
DeleteDC(hdcSrc);
}
break;
case META_BITBLT: /* <-- not yet debugged */
{
HDC hdcSrc=CreateCompatibleDC(hdc);
HBITMAP16 hbitmap=CreateBitmap(mr->rdParam[7]/*Width */,mr->rdParam[8]/*Height*/,
mr->rdParam[10]/*Planes*/,mr->rdParam[11]/*BitsPixel*/,
(LPSTR)&mr->rdParam[12]/*bits*/);
SelectObject(hdcSrc,hbitmap);
BitBlt(hdc,mr->rdParam[6],mr->rdParam[5],
mr->rdParam[4],mr->rdParam[3],
hdcSrc,
mr->rdParam[2],mr->rdParam[1],
MAKELONG(0,mr->rdParam[0]));
DeleteDC(hdcSrc);
}
break;
default:
fprintf(stddeb,"PlayMetaFileRecord: Unknown record type %x\n",
mr->rdFunction);
}
}
/******************************************************************
* GetMetaFileBits by William Magro, 19 Sep 1995
*
* Trade in a meta file object handle for a handle to the meta file memory
*/
HANDLE GetMetaFileBits(HMETAFILE16 hmf)
{
dprintf_metafile(stddeb,"GetMetaFileBits: hMem out: %04x\n", hmf);
return hmf;
}
/******************************************************************
* SetMetaFileBits by William Magro, 19 Sep 1995
*
* Trade in a meta file memory handle for a handle to a meta file object
*/
HMETAFILE16 SetMetaFileBits(HANDLE hMem)
{
dprintf_metafile(stddeb,"SetMetaFileBits: hmf out: %04x\n", hMem);
return hMem;
}
/******************************************************************
* MF_WriteRecord
*/
HMETAFILE16 MF_WriteRecord(HMETAFILE16 hmf, METARECORD *mr, WORD rlen)
{
DWORD len;
METAHEADER *mh = (METAHEADER *)GlobalLock16(hmf);
if (mh->mtType == 0) /* memory based metafile */
{
len = mh->mtSize * 2 + rlen;
GlobalUnlock16(hmf);
hmf = GlobalReAlloc16(hmf, len, GMEM_MOVEABLE); /* hmf can change */
mh = (METAHEADER *)GlobalLock16(hmf);
memcpy((WORD *)mh + mh->mtSize, mr, rlen);
}
else if (mh->mtType == 1) /* disk based metafile */
{
dprintf_metafile(stddeb,"Writing record to disk\n");
if (_lwrite(mh->mtNoParameters, (char *)mr, rlen) == -1)
{
GlobalUnlock16(hmf);
return 0;
}
}
else
{
GlobalUnlock16(hmf);
return 0;
}
mh->mtSize += rlen / 2;
mh->mtMaxRecord = MAX(mh->mtMaxRecord, rlen / 2);
GlobalUnlock16(hmf);
return hmf;
}
/******************************************************************
* MF_AddHandle
*
* Add a handle to an external handle table and return the index
*/
int MF_AddHandle(HANDLETABLE16 *ht, WORD htlen, HANDLE hobj)
{
int i;
for (i = 0; i < htlen; i++)
{
if (*(ht->objectHandle + i) == 0)
{
*(ht->objectHandle + i) = hobj;
return i;
}
}
return -1;
}
/******************************************************************
* MF_AddHandleInternal
*
* Add a handle to the internal handle table and return the index
*/
int MF_AddHandleInternal(HANDLE hobj)
{
int i;
HANDLETABLE16 *ht = (HANDLETABLE16 *)GlobalLock16(hHT);
for (i = 0; i < HTLen; i++)
{
if (*(ht->objectHandle + i) == 0)
{
*(ht->objectHandle + i) = hobj;
GlobalUnlock16(hHT);
return i;
}
}
GlobalUnlock16(hHT);
if (!(hHT = GlobalReAlloc16(hHT, HTINCR, GMEM_MOVEABLE | GMEM_ZEROINIT)))
return -1;
HTLen += HTINCR;
ht = (HANDLETABLE16 *)GlobalLock16(hHT);
*(ht->objectHandle + i) = hobj;
GlobalUnlock16(hHT);
return i;
}
/******************************************************************
* MF_MetaParam0
*/
BOOL MF_MetaParam0(DC *dc, short func)
{
char buffer[8];
METARECORD *mr = (METARECORD *)&buffer;
HMETAFILE16 handle;
mr->rdSize = 3;
mr->rdFunction = func;
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
return handle;
}
/******************************************************************
* MF_MetaParam1
*/
BOOL MF_MetaParam1(DC *dc, short func, short param1)
{
char buffer[8];
METARECORD *mr = (METARECORD *)&buffer;
HMETAFILE16 handle;
mr->rdSize = 4;
mr->rdFunction = func;
*(mr->rdParam) = param1;
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
return handle;
}
/******************************************************************
* MF_MetaParam2
*/
BOOL MF_MetaParam2(DC *dc, short func, short param1, short param2)
{
char buffer[10];
METARECORD *mr = (METARECORD *)&buffer;
HMETAFILE16 handle;
mr->rdSize = 5;
mr->rdFunction = func;
*(mr->rdParam) = param2;
*(mr->rdParam + 1) = param1;
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
return handle;
}
/******************************************************************
* MF_MetaParam4
*/
BOOL MF_MetaParam4(DC *dc, short func, short param1, short param2,
short param3, short param4)
{
char buffer[14];
METARECORD *mr = (METARECORD *)&buffer;
HMETAFILE16 handle;
mr->rdSize = 7;
mr->rdFunction = func;
*(mr->rdParam) = param4;
*(mr->rdParam + 1) = param3;
*(mr->rdParam + 2) = param2;
*(mr->rdParam + 3) = param1;
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
return handle;
}
/******************************************************************
* MF_MetaParam6
*/
BOOL MF_MetaParam6(DC *dc, short func, short param1, short param2,
short param3, short param4, short param5, short param6)
{
char buffer[18];
METARECORD *mr = (METARECORD *)&buffer;
HMETAFILE16 handle;
mr->rdSize = 9;
mr->rdFunction = func;
*(mr->rdParam) = param6;
*(mr->rdParam + 1) = param5;
*(mr->rdParam + 2) = param4;
*(mr->rdParam + 3) = param3;
*(mr->rdParam + 4) = param2;
*(mr->rdParam + 5) = param1;
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
return handle;
}
/******************************************************************
* MF_MetaParam8
*/
BOOL MF_MetaParam8(DC *dc, short func, short param1, short param2,
short param3, short param4, short param5,
short param6, short param7, short param8)
{
char buffer[22];
METARECORD *mr = (METARECORD *)&buffer;
HMETAFILE16 handle;
mr->rdSize = 11;
mr->rdFunction = func;
*(mr->rdParam) = param8;
*(mr->rdParam + 1) = param7;
*(mr->rdParam + 2) = param6;
*(mr->rdParam + 3) = param5;
*(mr->rdParam + 4) = param4;
*(mr->rdParam + 5) = param3;
*(mr->rdParam + 6) = param2;
*(mr->rdParam + 7) = param1;
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
return handle;
}
/******************************************************************
* MF_CreateBrushIndirect
*/
BOOL MF_CreateBrushIndirect(DC *dc, HBRUSH hBrush, LOGBRUSH16 *logbrush)
{
int index;
HMETAFILE16 handle;
char buffer[sizeof(METARECORD) - 2 + sizeof(LOGBRUSH16)];
METARECORD *mr = (METARECORD *)&buffer;
METAHEADER *mh;
mr->rdSize = (sizeof(METARECORD) + sizeof(LOGBRUSH16) - 2) / 2;
mr->rdFunction = META_CREATEBRUSHINDIRECT;
memcpy(&(mr->rdParam), logbrush, sizeof(LOGBRUSH16));
if (!(dc->w.hMetaFile = MF_WriteRecord(dc->w.hMetaFile,
mr, mr->rdSize * 2)))
return FALSE;
mr->rdSize = sizeof(METARECORD) / 2;
mr->rdFunction = META_SELECTOBJECT;
if ((index = MF_AddHandleInternal(hBrush)) == -1)
return FALSE;
mh = (METAHEADER *)GlobalLock16(dc->w.hMetaFile);
*(mr->rdParam) = index;
if (index >= mh->mtNoObjects)
mh->mtNoObjects++;
GlobalUnlock16(dc->w.hMetaFile);
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
return handle;
}
/******************************************************************
* MF_CreatePatternBrush
*/
BOOL MF_CreatePatternBrush(DC *dc, HBRUSH hBrush, LOGBRUSH16 *logbrush)
{
DWORD len, bmSize, biSize;
HANDLE hmr;
METARECORD *mr;
BITMAPOBJ *bmp;
BITMAPINFO *info;
BITMAPINFOHEADER *infohdr;
int index;
HMETAFILE16 handle;
char buffer[sizeof(METARECORD)];
METAHEADER *mh;
switch (logbrush->lbStyle)
{
case BS_PATTERN:
bmp = (BITMAPOBJ *)GDI_GetObjPtr((HANDLE)logbrush->lbHatch, BITMAP_MAGIC);
if (!bmp) return FALSE;
len = sizeof(METARECORD) + sizeof(BITMAPINFOHEADER) +
(bmp->bitmap.bmHeight * bmp->bitmap.bmWidthBytes) + 6;
if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
return FALSE;
mr = (METARECORD *)GlobalLock16(hmr);
memset(mr, 0, len);
mr->rdFunction = META_DIBCREATEPATTERNBRUSH;
mr->rdSize = len / 2;
*(mr->rdParam) = logbrush->lbStyle;
*(mr->rdParam + 1) = DIB_RGB_COLORS;
infohdr = (BITMAPINFOHEADER *)(mr->rdParam + 2);
infohdr->biSize = sizeof(BITMAPINFOHEADER);
infohdr->biWidth = bmp->bitmap.bmWidth;
infohdr->biHeight = bmp->bitmap.bmHeight;
infohdr->biPlanes = bmp->bitmap.bmPlanes;
infohdr->biBitCount = bmp->bitmap.bmBitsPixel;
memcpy(mr->rdParam + (sizeof(BITMAPINFOHEADER) / 2) + 4,
PTR_SEG_TO_LIN(bmp->bitmap.bmBits),
bmp->bitmap.bmHeight * bmp->bitmap.bmWidthBytes);
break;
case BS_DIBPATTERN:
info = (BITMAPINFO *)GlobalLock16((HANDLE)logbrush->lbHatch);
if (info->bmiHeader.biCompression)
bmSize = info->bmiHeader.biSizeImage;
else
bmSize = (info->bmiHeader.biWidth * info->bmiHeader.biBitCount
+ 31) / 32 * 8 * info->bmiHeader.biHeight;
biSize = DIB_BitmapInfoSize(info, LOWORD(logbrush->lbColor));
len = sizeof(METARECORD) + biSize + bmSize + 2;
if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
return FALSE;
mr = (METARECORD *)GlobalLock16(hmr);
memset(mr, 0, len);
mr->rdFunction = META_DIBCREATEPATTERNBRUSH;
mr->rdSize = len / 2;
*(mr->rdParam) = logbrush->lbStyle;
*(mr->rdParam + 1) = LOWORD(logbrush->lbColor);
memcpy(mr->rdParam + 2, info, biSize + bmSize);
break;
default:
return FALSE;
}
if (!(dc->w.hMetaFile = MF_WriteRecord(dc->w.hMetaFile, mr, len)))
{
GlobalFree16(hmr);
return FALSE;
}
GlobalFree16(hmr);
mr = (METARECORD *)&buffer;
mr->rdSize = sizeof(METARECORD) / 2;
mr->rdFunction = META_SELECTOBJECT;
if ((index = MF_AddHandleInternal(hBrush)) == -1)
return FALSE;
mh = (METAHEADER *)GlobalLock16(dc->w.hMetaFile);
*(mr->rdParam) = index;
if (index >= mh->mtNoObjects)
mh->mtNoObjects++;
GlobalUnlock16(dc->w.hMetaFile);
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
return handle;
}
/******************************************************************
* MF_CreatePenIndirect
*/
BOOL MF_CreatePenIndirect(DC *dc, HPEN16 hPen, LOGPEN16 *logpen)
{
int index;
HMETAFILE16 handle;
char buffer[sizeof(METARECORD) - 2 + sizeof(LOGPEN16)];
METARECORD *mr = (METARECORD *)&buffer;
METAHEADER *mh;
mr->rdSize = (sizeof(METARECORD) + sizeof(LOGPEN16) - 2) / 2;
mr->rdFunction = META_CREATEPENINDIRECT;
memcpy(&(mr->rdParam), logpen, sizeof(LOGPEN16));
if (!(dc->w.hMetaFile = MF_WriteRecord(dc->w.hMetaFile, mr,
mr->rdSize * 2)))
return FALSE;
mr->rdSize = sizeof(METARECORD) / 2;
mr->rdFunction = META_SELECTOBJECT;
if ((index = MF_AddHandleInternal(hPen)) == -1)
return FALSE;
mh = (METAHEADER *)GlobalLock16(dc->w.hMetaFile);
*(mr->rdParam) = index;
if (index >= mh->mtNoObjects)
mh->mtNoObjects++;
GlobalUnlock16(dc->w.hMetaFile);
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
return handle;
}
/******************************************************************
* MF_CreateFontIndirect
*/
BOOL MF_CreateFontIndirect(DC *dc, HFONT hFont, LOGFONT16 *logfont)
{
int index;
HMETAFILE16 handle;
char buffer[sizeof(METARECORD) - 2 + sizeof(LOGFONT16)];
METARECORD *mr = (METARECORD *)&buffer;
METAHEADER *mh;
mr->rdSize = (sizeof(METARECORD) + sizeof(LOGFONT16) - 2) / 2;
mr->rdFunction = META_CREATEFONTINDIRECT;
memcpy(&(mr->rdParam), logfont, sizeof(LOGFONT16));
if (!(dc->w.hMetaFile = MF_WriteRecord(dc->w.hMetaFile, mr,
mr->rdSize * 2)))
return FALSE;
mr->rdSize = sizeof(METARECORD) / 2;
mr->rdFunction = META_SELECTOBJECT;
if ((index = MF_AddHandleInternal(hFont)) == -1)
return FALSE;
mh = (METAHEADER *)GlobalLock16(dc->w.hMetaFile);
*(mr->rdParam) = index;
if (index >= mh->mtNoObjects)
mh->mtNoObjects++;
GlobalUnlock16(dc->w.hMetaFile);
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
return handle;
}
/******************************************************************
* MF_TextOut
*/
BOOL MF_TextOut(DC *dc, short x, short y, LPCSTR str, short count)
{
HMETAFILE16 handle;
DWORD len;
HANDLE hmr;
METARECORD *mr;
len = sizeof(METARECORD) + (((count + 1) >> 1) * 2) + 4;
if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
return FALSE;
mr = (METARECORD *)GlobalLock16(hmr);
memset(mr, 0, len);
mr->rdSize = len / 2;
mr->rdFunction = META_TEXTOUT;
*(mr->rdParam) = count;
memcpy(mr->rdParam + 1, str, count);
*(mr->rdParam + ((count + 1) >> 1) + 1) = y;
*(mr->rdParam + ((count + 1) >> 1) + 2) = x;
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
GlobalFree16(hmr);
return handle;
}
/******************************************************************
* MF_ExtTextOut
*/
BOOL MF_ExtTextOut(DC *dc, short x, short y, UINT16 flags, const RECT16 *rect,
LPCSTR str, short count, const INT16 *lpDx)
{
HMETAFILE16 handle;
DWORD len;
HANDLE hmr;
METARECORD *mr;
len = sizeof(METARECORD) + (((count + 1) >> 1) * 2) + 4 + sizeof(RECT16);
if (lpDx)
len+=count*sizeof(INT16);
if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
return FALSE;
mr = (METARECORD *)GlobalLock16(hmr);
memset(mr, 0, len);
mr->rdSize = len / 2;
mr->rdFunction = META_EXTTEXTOUT;
*(mr->rdParam) = y;
*(mr->rdParam + 1) = x;
*(mr->rdParam + 2) = count;
*(mr->rdParam + 3) = flags;
memcpy(mr->rdParam + 4, rect, sizeof(RECT16));
memcpy(mr->rdParam + 8, str, count);
if (lpDx)
memcpy(mr->rdParam + 8+ ((count + 1) >> 1),lpDx,count*sizeof(INT16));
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
GlobalFree16(hmr);
return handle;
}
/******************************************************************
* MF_MetaPoly - implements Polygon and Polyline
*/
BOOL MF_MetaPoly(DC *dc, short func, LPPOINT16 pt, short count)
{
HMETAFILE16 handle;
DWORD len;
HANDLE hmr;
METARECORD *mr;
len = sizeof(METARECORD) + (count * 4);
if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
return FALSE;
mr = (METARECORD *)GlobalLock16(hmr);
memset(mr, 0, len);
mr->rdSize = len / 2;
mr->rdFunction = func;
*(mr->rdParam) = count;
memcpy(mr->rdParam + 1, pt, count * 4);
handle = MF_WriteRecord(dc->w.hMetaFile, mr, mr->rdSize * 2);
dc->w.hMetaFile = handle;
GlobalFree16(hmr);
return handle;
}
/******************************************************************
* MF_BitBlt
*/
BOOL MF_BitBlt(DC *dcDest, short xDest, short yDest, short width,
short height, HDC hdcSrc, short xSrc, short ySrc, DWORD rop)
{
HMETAFILE16 handle;
DWORD len;
HANDLE hmr;
METARECORD *mr;
DC *dcSrc;
BITMAP16 BM;
if (!(dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC ))) return 0;
GetObject16(dcSrc->w.hBitmap, sizeof(BITMAP16), &BM);
len = sizeof(METARECORD) + 12 * sizeof(INT16) + BM.bmWidthBytes * BM.bmHeight;
if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
return FALSE;
mr = (METARECORD *)GlobalLock16(hmr);
mr->rdFunction = META_BITBLT;
*(mr->rdParam + 7) = BM.bmWidth;
*(mr->rdParam + 8) = BM.bmHeight;
*(mr->rdParam + 9) = BM.bmWidthBytes;
*(mr->rdParam +10) = BM.bmPlanes;
*(mr->rdParam +11) = BM.bmBitsPixel;
dprintf_metafile(stddeb,"MF_StretchBlt->len = %ld rop=%lx \n",len,rop);
if (GetBitmapBits(dcSrc->w.hBitmap,BM.bmWidthBytes * BM.bmHeight,mr->rdParam +12))
{
mr->rdSize = len / sizeof(INT16);
*(mr->rdParam) = HIWORD(rop);
*(mr->rdParam + 1) = ySrc;
*(mr->rdParam + 2) = xSrc;
*(mr->rdParam + 3) = height;
*(mr->rdParam + 4) = width;
*(mr->rdParam + 5) = yDest;
*(mr->rdParam + 6) = xDest;
handle = MF_WriteRecord(dcDest->w.hMetaFile, mr, mr->rdSize * 2);
}
else
handle = 0;
dcDest->w.hMetaFile = handle;
GlobalFree16(hmr);
return handle;
}
/**********************************************************************
* MF_StretchBlt
* this function contains TWO ways for procesing StretchBlt in metafiles,
* decide between rdFunction values META_STRETCHBLT or META_DIBSTRETCHBLT
* via #define STRETCH_VIA_DIB
*/
#define STRETCH_VIA_DIB
#undef STRETCH_VIA_DIB
BOOL MF_StretchBlt(DC *dcDest, short xDest, short yDest, short widthDest,
short heightDest, HDC hdcSrc, short xSrc, short ySrc,
short widthSrc, short heightSrc, DWORD rop)
{
HMETAFILE16 handle;
DWORD len;
HANDLE hmr;
METARECORD *mr;
DC *dcSrc;
BITMAP16 BM;
#ifdef STRETCH_VIA_DIB
LPBITMAPINFOHEADER lpBMI;
WORD nBPP;
#endif
if (!(dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC ))) return 0;
GetObject16(dcSrc->w.hBitmap, sizeof(BITMAP16), &BM);
#ifdef STRETCH_VIA_DIB
nBPP = BM.bmPlanes * BM.bmBitsPixel;
len = sizeof(METARECORD) + 10 * sizeof(INT16)
+ sizeof(BITMAPINFOHEADER) + (nBPP != 24 ? 1 << nBPP: 0) * sizeof(RGBQUAD)
+ ((BM.bmWidth * nBPP + 31) / 32) * 4 * BM.bmHeight;
if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
return FALSE;
mr = (METARECORD *)GlobalLock16(hmr);
mr->rdFunction = META_DIBSTRETCHBLT;
lpBMI=(LPBITMAPINFOHEADER)(mr->rdParam+10);
lpBMI->biSize = sizeof(BITMAPINFOHEADER);
lpBMI->biWidth = BM.bmWidth;
lpBMI->biHeight = BM.bmHeight;
lpBMI->biPlanes = 1;
lpBMI->biBitCount = nBPP; /* 1,4,8 or 24 */
lpBMI->biClrUsed = nBPP != 24 ? 1 << nBPP : 0;
lpBMI->biSizeImage = ((lpBMI->biWidth * nBPP + 31) / 32) * 4 * lpBMI->biHeight;
lpBMI->biCompression = BI_RGB;
lpBMI->biXPelsPerMeter = MulDiv32(GetDeviceCaps(hdcSrc,LOGPIXELSX),3937,100);
lpBMI->biYPelsPerMeter = MulDiv32(GetDeviceCaps(hdcSrc,LOGPIXELSY),3937,100);
lpBMI->biClrImportant = 0; /* 1 meter = 39.37 inch */
dprintf_metafile(stddeb,"MF_StretchBltViaDIB->len = %ld rop=%lx PixYPM=%ld Caps=%d\n",
len,rop,lpBMI->biYPelsPerMeter,GetDeviceCaps(hdcSrc,LOGPIXELSY));
if (GetDIBits(hdcSrc,dcSrc->w.hBitmap,0,(UINT)lpBMI->biHeight,
MF_GetDIBitsPointer((LPBITMAPINFO)lpBMI), /* DIB bits */
(LPBITMAPINFO)lpBMI,DIB_RGB_COLORS)) /* DIB info structure */
#else
len = sizeof(METARECORD) + 15 * sizeof(INT16) + BM.bmWidthBytes * BM.bmHeight;
if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
return FALSE;
mr = (METARECORD *)GlobalLock16(hmr);
mr->rdFunction = META_STRETCHBLT;
*(mr->rdParam +10) = BM.bmWidth;
*(mr->rdParam +11) = BM.bmHeight;
*(mr->rdParam +12) = BM.bmWidthBytes;
*(mr->rdParam +13) = BM.bmPlanes;
*(mr->rdParam +14) = BM.bmBitsPixel;
dprintf_metafile(stddeb,"MF_StretchBlt->len = %ld rop=%lx \n",len,rop);
if (GetBitmapBits(dcSrc->w.hBitmap,BM.bmWidthBytes * BM.bmHeight,mr->rdParam +15))
#endif
{
mr->rdSize = len / sizeof(INT16);
*(mr->rdParam) = LOWORD(rop);
*(mr->rdParam + 1) = HIWORD(rop);
*(mr->rdParam + 2) = heightSrc;
*(mr->rdParam + 3) = widthSrc;
*(mr->rdParam + 4) = ySrc;
*(mr->rdParam + 5) = xSrc;
*(mr->rdParam + 6) = heightDest;
*(mr->rdParam + 7) = widthDest;
*(mr->rdParam + 8) = yDest;
*(mr->rdParam + 9) = xDest;
handle = MF_WriteRecord(dcDest->w.hMetaFile, mr, mr->rdSize * 2);
}
else
handle = 0;
dcDest->w.hMetaFile = handle;
GlobalFree16(hmr);
return handle;
}
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