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wine/objects/metafile.c
Caolan McNamara ae8a748aa1 Added metafile support for ExtFloodFill.
1999-03-14 13:40:12 +00:00

1794 lines
51 KiB
C
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/*
* Metafile functions
*
* Copyright David W. Metcalfe, 1994
* Niels de Carpentier, Albrecht Kleine, Huw Davies 1996
*
*/
#include <string.h>
#include <fcntl.h>
#include "wine/winbase16.h"
#include "metafiledrv.h"
#include "metafile.h"
#include "bitmap.h"
#include "heap.h"
#include "toolhelp.h"
#include "debug.h"
/******************************************************************
* 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_AddHandleDC
*
* Note: this function assumes that we never delete objects.
* If we do someday, we'll need to maintain a table to re-use deleted
* handles.
*/
static int MF_AddHandleDC( DC *dc )
{
METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
physDev->mh->mtNoObjects++;
return physDev->nextHandle++;
}
/******************************************************************
* GetMetaFile16 (GDI.124)
*/
HMETAFILE16 WINAPI GetMetaFile16( LPCSTR lpFilename )
{
return GetMetaFileA( lpFilename );
}
/******************************************************************
* GetMetaFile32A (GDI32.197)
*
* Read a metafile from a file. Returns handle to a disk-based metafile.
*/
HMETAFILE WINAPI GetMetaFileA(
LPCSTR lpFilename
/* pointer to string containing filename to read */
)
{
HMETAFILE16 hmf;
METAHEADER *mh;
HFILE hFile;
DWORD size;
TRACE(metafile,"%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 (_lread(hFile, (char *)mh, MFHEADERSIZE) == HFILE_ERROR)
{
_lclose( hFile );
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)
{
_lclose( hFile );
GlobalFree16(hmf);
return 0;
}
if (_lread(hFile, (char*)mh + mh->mtHeaderSize * 2,
size - mh->mtHeaderSize * 2) == HFILE_ERROR)
{
_lclose( hFile );
GlobalFree16(hmf);
return 0;
}
_lclose(hFile);
if (mh->mtType != 1)
{
GlobalFree16(hmf);
return 0;
}
GlobalUnlock16(hmf);
return hmf;
}
/******************************************************************
* GetMetaFile32W (GDI32.199)
*/
HMETAFILE WINAPI GetMetaFileW( LPCWSTR lpFilename )
{
LPSTR p = HEAP_strdupWtoA( GetProcessHeap(), 0, lpFilename );
HMETAFILE ret = GetMetaFileA( p );
HeapFree( GetProcessHeap(), 0, p );
return ret;
}
/******************************************************************
* CopyMetaFile16 (GDI.151)
*/
HMETAFILE16 WINAPI CopyMetaFile16( HMETAFILE16 hSrcMetaFile, LPCSTR lpFilename )
{
return CopyMetaFileA( hSrcMetaFile, lpFilename );
}
/******************************************************************
* CopyMetaFile32A (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 */
) {
HMETAFILE16 handle = 0;
METAHEADER *mh;
METAHEADER *mh2;
HFILE hFile;
TRACE(metafile,"(%08x,%s)\n", hSrcMetaFile, 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;
/* FIXME: return value */
}
else /* memory based metafile */
{
handle = GlobalAlloc16(GMEM_MOVEABLE,mh->mtSize * 2);
mh2 = (METAHEADER *)GlobalLock16(handle);
memcpy(mh2,mh, mh->mtSize * 2);
GlobalUnlock16(handle);
}
GlobalUnlock16(hSrcMetaFile);
return handle;
}
/******************************************************************
* CopyMetaFile32W (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 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);
}
TRACE(metafile,"IsValidMetaFile %x => %d\n",hmf,resu);
return resu;
}
/******************************************************************
* PlayMetaFile16 (GDI.123)
*
*/
BOOL16 WINAPI PlayMetaFile16( HDC16 hdc, HMETAFILE16 hmf )
{
return PlayMetaFile( hdc, hmf );
}
/******************************************************************
* PlayMetaFile32 (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 */
)
{
METAHEADER *mh = (METAHEADER *)GlobalLock16(hmf);
METARECORD *mr;
HANDLETABLE16 *ht;
HGLOBAL16 hHT;
int offset = 0;
WORD i;
HPEN hPen;
HBRUSH hBrush;
HFONT hFont;
DC *dc;
TRACE(metafile,"(%04x %04x)\n",hdc,hmf);
if (!mh) return FALSE;
/* 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 */
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);
TRACE(metafile,"offset=%04x,size=%08lx\n",
offset, mr->rdSize);
if (!mr->rdSize) {
TRACE(metafile,"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 */
GlobalFree16(hHT);
return TRUE;
}
/******************************************************************
* EnumMetaFile16 (GDI.175)
*
* 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
*/
BOOL16 WINAPI EnumMetaFile16(
HDC16 hdc,
HMETAFILE16 hmf,
MFENUMPROC16 lpEnumFunc,
LPARAM lpData
)
{
METAHEADER *mh = (METAHEADER *)GlobalLock16(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;
TRACE(metafile,"(%04x, %04x, %08lx, %08lx)\n",
hdc, hmf, (DWORD)lpEnumFunc, lpData);
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);
GlobalUnlock16(hmf);
return result;
}
BOOL WINAPI EnumMetaFile(
HDC hdc,
HMETAFILE hmf,
MFENUMPROC lpEnumFunc,
LPARAM lpData
) {
METAHEADER *mh = (METAHEADER *)GlobalLock16(hmf);
METARECORD *mr;
HANDLETABLE *ht;
BOOL result = TRUE;
int i, offset = 0;
DC *dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
HPEN hPen;
HBRUSH hBrush;
HFONT hFont;
TRACE(metafile,"(%08x,%08x,%p,%p)\n",
hdc, hmf, lpEnumFunc, (void*)lpData);
if (!mh) return 0;
/* 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 = (HANDLETABLE *) GlobalAlloc(GPTR,
sizeof(HANDLETABLE) * mh->mtNoObjects);
/* loop through metafile records */
offset = mh->mtHeaderSize * 2;
while (offset < (mh->mtSize * 2))
{
mr = (METARECORD *)((char *)mh + offset);
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 */
GlobalFree((HGLOBAL)ht);
GlobalUnlock16(hmf);
return result;
}
static BOOL MF_Meta_CreateRegion( METARECORD *mr, HRGN hrgn );
/******************************************************************
* 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:
*
* FRAMEREGION, DRAWTEXT, SETDIBTODEV, 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(metafile,"(%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;
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;
/* W. Magro: Some new metafile operations. Not all debugged. */
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, *(mr->rdParm));
break;
case META_REALIZEPALETTE:
RealizePalette16(hdc);
break;
case META_ESCAPE:
FIXME(metafile, "META_ESCAPE unimplemented.\n");
break;
/* --- Begin of fixed or new metafile operations. July 1996 ----*/
case META_EXTTEXTOUT:
{
LPINT16 dxx;
LPSTR sot;
DWORD len;
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(metafile,"%s len: %ld\n",
sot,mr->rdSize);
WARN(metafile,
"Please report: PlayMetaFile/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 [for workaround] */
}
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(metafile,"%s len: %ld dx0: %d\n",
sot,mr->rdSize,dxx[0]);
}
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: /* <-- not yet debugged */
{
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;
/* --- Begin of new metafile operations. April, 1997 (ak) ----*/
case META_CREATEREGION:
{
HRGN hrgn = CreateRectRgn(0,0,0,0);
MF_Meta_CreateRegion(mr, hrgn);
MF_AddHandle(ht, nHandles, hrgn);
}
break;
case META_FILLREGION:
FillRgn16(hdc, *(ht->objectHandle + *(mr->rdParm)),
*(ht->objectHandle + *(mr->rdParm+1)));
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(metafile,"%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 ive found that theres two layout for META_DIBBITBLT,
one (the first here) is the usual one when a src dc is actually passed
int, 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), *(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;
#define META_UNIMP(x) case x: FIXME(metafile, "PlayMetaFileRecord:record type "#x" not implemented.\n");break;
META_UNIMP(META_FRAMEREGION)
META_UNIMP(META_DRAWTEXT)
META_UNIMP(META_SETDIBTODEV)
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(metafile, "PlayMetaFileRecord: Unknown record type %x\n",
mr->rdFunction);
}
}
BOOL WINAPI PlayMetaFileRecord(
HDC hdc,
HANDLETABLE *handletable,
METARECORD *metarecord,
UINT handles
)
{
HANDLETABLE16 * ht = (void *)GlobalAlloc(GPTR,
handles*sizeof(HANDLETABLE16));
int i = 0;
TRACE(metafile, "(%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(metafile,"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(metafile,"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 */
)
{
HMETAFILE hmf = GlobalAlloc16(GHND, size);
BYTE *p = GlobalLock16(hmf) ;
TRACE(metafile, "(%d,%p) returning %08x\n", size, lpData, hmf);
if (!hmf || !p) return 0;
memcpy(p, lpData, size);
GlobalUnlock16(hmf);
return hmf;
}
/*****************************************************************
* 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 *h = GlobalLock16(hmf);
UINT mfSize;
TRACE(metafile, "(%08x,%d,%p)\n", hmf, nSize, buf);
if (!h) return 0; /* FIXME: error code */
mfSize = h->mtSize * 2;
if (!buf) {
GlobalUnlock16(hmf);
TRACE(metafile,"returning size %d\n", mfSize);
return mfSize;
}
if(mfSize > nSize) mfSize = nSize;
memmove(buf, h, mfSize);
GlobalUnlock16(hmf);
return mfSize;
}
/******************************************************************
* GetWinMetaFileBits [GDI32.241]
*/
UINT WINAPI GetWinMetaFileBits(HENHMETAFILE hemf,
UINT cbBuffer, LPBYTE lpbBuffer,
INT fnMapMode, HDC hdcRef)
{
FIXME(metafile, "(%d,%d,%p,%d,%d): stub\n",
hemf, cbBuffer, lpbBuffer, fnMapMode, hdcRef);
return 0;
}
/******************************************************************
* MF_Meta_CreateRegion
*
* 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_Meta_CreateRegion( 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(metafile, "Delimiter not even.\n");
DeleteObject( hrgn2 );
return FALSE;
}
end = start + *start + 3;
if(end > (WORD *)mr + mr->rdSize) {
WARN(metafile, "End points outside record.\n");
DeleteObject( hrgn2 );
return FALSE;
}
if(*start != *end) {
WARN(metafile, "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_WriteRecord
*
* Warning: this function can change the metafile handle.
*/
static BOOL MF_WriteRecord( DC *dc, METARECORD *mr, DWORD rlen)
{
DWORD len;
METAHEADER *mh;
METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
switch(physDev->mh->mtType)
{
case METAFILE_MEMORY:
len = physDev->mh->mtSize * 2 + rlen;
mh = HeapReAlloc( SystemHeap, 0, physDev->mh, len );
if (!mh) return FALSE;
physDev->mh = mh;
memcpy((WORD *)physDev->mh + physDev->mh->mtSize, mr, rlen);
break;
case METAFILE_DISK:
TRACE(metafile,"Writing record to disk\n");
if (_lwrite(physDev->mh->mtNoParameters, (char *)mr, rlen) == -1)
return FALSE;
break;
default:
ERR(metafile, "Unknown metafile type %d\n", physDev->mh->mtType );
return FALSE;
}
physDev->mh->mtSize += rlen / 2;
physDev->mh->mtMaxRecord = MAX(physDev->mh->mtMaxRecord, rlen / 2);
return TRUE;
}
/******************************************************************
* MF_MetaParam0
*/
BOOL MF_MetaParam0(DC *dc, short func)
{
char buffer[8];
METARECORD *mr = (METARECORD *)&buffer;
mr->rdSize = 3;
mr->rdFunction = func;
return MF_WriteRecord( dc, mr, mr->rdSize * 2);
}
/******************************************************************
* MF_MetaParam1
*/
BOOL MF_MetaParam1(DC *dc, short func, short param1)
{
char buffer[8];
METARECORD *mr = (METARECORD *)&buffer;
mr->rdSize = 4;
mr->rdFunction = func;
*(mr->rdParm) = param1;
return MF_WriteRecord( dc, mr, mr->rdSize * 2);
}
/******************************************************************
* MF_MetaParam2
*/
BOOL MF_MetaParam2(DC *dc, short func, short param1, short param2)
{
char buffer[10];
METARECORD *mr = (METARECORD *)&buffer;
mr->rdSize = 5;
mr->rdFunction = func;
*(mr->rdParm) = param2;
*(mr->rdParm + 1) = param1;
return MF_WriteRecord( dc, mr, mr->rdSize * 2);
}
/******************************************************************
* MF_MetaParam4
*/
BOOL MF_MetaParam4(DC *dc, short func, short param1, short param2,
short param3, short param4)
{
char buffer[14];
METARECORD *mr = (METARECORD *)&buffer;
mr->rdSize = 7;
mr->rdFunction = func;
*(mr->rdParm) = param4;
*(mr->rdParm + 1) = param3;
*(mr->rdParm + 2) = param2;
*(mr->rdParm + 3) = param1;
return MF_WriteRecord( dc, mr, mr->rdSize * 2);
}
/******************************************************************
* 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;
mr->rdSize = 9;
mr->rdFunction = func;
*(mr->rdParm) = param6;
*(mr->rdParm + 1) = param5;
*(mr->rdParm + 2) = param4;
*(mr->rdParm + 3) = param3;
*(mr->rdParm + 4) = param2;
*(mr->rdParm + 5) = param1;
return MF_WriteRecord( dc, mr, mr->rdSize * 2);
}
/******************************************************************
* 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;
mr->rdSize = 11;
mr->rdFunction = func;
*(mr->rdParm) = param8;
*(mr->rdParm + 1) = param7;
*(mr->rdParm + 2) = param6;
*(mr->rdParm + 3) = param5;
*(mr->rdParm + 4) = param4;
*(mr->rdParm + 5) = param3;
*(mr->rdParm + 6) = param2;
*(mr->rdParm + 7) = param1;
return MF_WriteRecord( dc, mr, mr->rdSize * 2);
}
/******************************************************************
* MF_CreateBrushIndirect
*/
BOOL MF_CreateBrushIndirect(DC *dc, HBRUSH16 hBrush, LOGBRUSH16 *logbrush)
{
int index;
char buffer[sizeof(METARECORD) - 2 + sizeof(*logbrush)];
METARECORD *mr = (METARECORD *)&buffer;
mr->rdSize = (sizeof(METARECORD) + sizeof(*logbrush) - 2) / 2;
mr->rdFunction = META_CREATEBRUSHINDIRECT;
memcpy(&(mr->rdParm), logbrush, sizeof(*logbrush));
if (!(MF_WriteRecord( dc, mr, mr->rdSize * 2))) return FALSE;
mr->rdSize = sizeof(METARECORD) / 2;
mr->rdFunction = META_SELECTOBJECT;
if ((index = MF_AddHandleDC( dc )) == -1) return FALSE;
*(mr->rdParm) = index;
return MF_WriteRecord( dc, mr, mr->rdSize * 2);
}
/******************************************************************
* MF_CreatePatternBrush
*/
BOOL MF_CreatePatternBrush(DC *dc, HBRUSH16 hBrush, LOGBRUSH16 *logbrush)
{
DWORD len, bmSize, biSize;
HGLOBAL16 hmr;
METARECORD *mr;
BITMAPOBJ *bmp;
BITMAPINFO *info;
BITMAPINFOHEADER *infohdr;
int index;
char buffer[sizeof(METARECORD)];
switch (logbrush->lbStyle)
{
case BS_PATTERN:
bmp = (BITMAPOBJ *)GDI_GetObjPtr((HGDIOBJ16)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)))
{
GDI_HEAP_UNLOCK((HGDIOBJ16)logbrush->lbHatch);
return FALSE;
}
mr = (METARECORD *)GlobalLock16(hmr);
memset(mr, 0, len);
mr->rdFunction = META_DIBCREATEPATTERNBRUSH;
mr->rdSize = len / 2;
*(mr->rdParm) = logbrush->lbStyle;
*(mr->rdParm + 1) = DIB_RGB_COLORS;
infohdr = (BITMAPINFOHEADER *)(mr->rdParm + 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->rdParm + (sizeof(BITMAPINFOHEADER) / 2) + 4,
PTR_SEG_TO_LIN(bmp->bitmap.bmBits),
bmp->bitmap.bmHeight * bmp->bitmap.bmWidthBytes);
GDI_HEAP_UNLOCK(logbrush->lbHatch);
break;
case BS_DIBPATTERN:
info = (BITMAPINFO *)GlobalLock16((HGLOBAL16)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->rdParm) = logbrush->lbStyle;
*(mr->rdParm + 1) = LOWORD(logbrush->lbColor);
memcpy(mr->rdParm + 2, info, biSize + bmSize);
break;
default:
return FALSE;
}
if (!(MF_WriteRecord(dc, mr, len)))
{
GlobalFree16(hmr);
return FALSE;
}
GlobalFree16(hmr);
mr = (METARECORD *)&buffer;
mr->rdSize = sizeof(METARECORD) / 2;
mr->rdFunction = META_SELECTOBJECT;
if ((index = MF_AddHandleDC( dc )) == -1) return FALSE;
*(mr->rdParm) = index;
return MF_WriteRecord( dc, mr, mr->rdSize * 2);
}
/******************************************************************
* MF_CreatePenIndirect
*/
BOOL MF_CreatePenIndirect(DC *dc, HPEN16 hPen, LOGPEN16 *logpen)
{
int index;
char buffer[sizeof(METARECORD) - 2 + sizeof(*logpen)];
METARECORD *mr = (METARECORD *)&buffer;
mr->rdSize = (sizeof(METARECORD) + sizeof(*logpen) - 2) / 2;
mr->rdFunction = META_CREATEPENINDIRECT;
memcpy(&(mr->rdParm), logpen, sizeof(*logpen));
if (!(MF_WriteRecord( dc, mr, mr->rdSize * 2))) return FALSE;
mr->rdSize = sizeof(METARECORD) / 2;
mr->rdFunction = META_SELECTOBJECT;
if ((index = MF_AddHandleDC( dc )) == -1) return FALSE;
*(mr->rdParm) = index;
return MF_WriteRecord( dc, mr, mr->rdSize * 2);
}
/******************************************************************
* MF_CreateFontIndirect
*/
BOOL MF_CreateFontIndirect(DC *dc, HFONT16 hFont, LOGFONT16 *logfont)
{
int index;
char buffer[sizeof(METARECORD) - 2 + sizeof(LOGFONT16)];
METARECORD *mr = (METARECORD *)&buffer;
mr->rdSize = (sizeof(METARECORD) + sizeof(LOGFONT16) - 2) / 2;
mr->rdFunction = META_CREATEFONTINDIRECT;
memcpy(&(mr->rdParm), logfont, sizeof(LOGFONT16));
if (!(MF_WriteRecord( dc, mr, mr->rdSize * 2))) return FALSE;
mr->rdSize = sizeof(METARECORD) / 2;
mr->rdFunction = META_SELECTOBJECT;
if ((index = MF_AddHandleDC( dc )) == -1) return FALSE;
*(mr->rdParm) = index;
return MF_WriteRecord( dc, mr, mr->rdSize * 2);
}
/******************************************************************
* MF_TextOut
*/
BOOL MF_TextOut(DC *dc, short x, short y, LPCSTR str, short count)
{
BOOL ret;
DWORD len;
HGLOBAL16 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->rdParm) = count;
memcpy(mr->rdParm + 1, str, count);
*(mr->rdParm + ((count + 1) >> 1) + 1) = y;
*(mr->rdParm + ((count + 1) >> 1) + 2) = x;
ret = MF_WriteRecord( dc, mr, mr->rdSize * 2);
GlobalFree16(hmr);
return ret;
}
/******************************************************************
* MF_ExtTextOut
*/
BOOL MF_ExtTextOut(DC*dc, short x, short y, UINT16 flags, const RECT16 *rect,
LPCSTR str, short count, const INT16 *lpDx)
{
BOOL ret;
DWORD len;
HGLOBAL16 hmr;
METARECORD *mr;
if((!flags && rect) || (flags && !rect))
WARN(metafile, "Inconsistent flags and rect\n");
len = sizeof(METARECORD) + (((count + 1) >> 1) * 2) + 2 * sizeof(short)
+ sizeof(UINT16);
if(rect)
len += 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->rdParm) = y;
*(mr->rdParm + 1) = x;
*(mr->rdParm + 2) = count;
*(mr->rdParm + 3) = flags;
if (rect) memcpy(mr->rdParm + 4, rect, sizeof(RECT16));
memcpy(mr->rdParm + (rect ? 8 : 4), str, count);
if (lpDx)
memcpy(mr->rdParm + (rect ? 8 : 4) + ((count + 1) >> 1),lpDx,
count*sizeof(INT16));
ret = MF_WriteRecord( dc, mr, mr->rdSize * 2);
GlobalFree16(hmr);
return ret;
}
/******************************************************************
* MF_MetaPoly - implements Polygon and Polyline
*/
BOOL MF_MetaPoly(DC *dc, short func, LPPOINT16 pt, short count)
{
BOOL ret;
DWORD len;
HGLOBAL16 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->rdParm) = count;
memcpy(mr->rdParm + 1, pt, count * 4);
ret = MF_WriteRecord( dc, mr, mr->rdSize * 2);
GlobalFree16(hmr);
return ret;
}
/******************************************************************
* MF_BitBlt
*/
BOOL MF_BitBlt(DC *dcDest, short xDest, short yDest, short width,
short height, DC *dcSrc, short xSrc, short ySrc, DWORD rop)
{
BOOL ret;
DWORD len;
HGLOBAL16 hmr;
METARECORD *mr;
BITMAP16 BM;
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->rdParm + 7) = BM.bmWidth;
*(mr->rdParm + 8) = BM.bmHeight;
*(mr->rdParm + 9) = BM.bmWidthBytes;
*(mr->rdParm +10) = BM.bmPlanes;
*(mr->rdParm +11) = BM.bmBitsPixel;
TRACE(metafile,"MF_StretchBlt->len = %ld rop=%lx \n",len,rop);
if (GetBitmapBits(dcSrc->w.hBitmap,BM.bmWidthBytes * BM.bmHeight,
mr->rdParm +12))
{
mr->rdSize = len / sizeof(INT16);
*(mr->rdParm) = HIWORD(rop);
*(mr->rdParm + 1) = ySrc;
*(mr->rdParm + 2) = xSrc;
*(mr->rdParm + 3) = height;
*(mr->rdParm + 4) = width;
*(mr->rdParm + 5) = yDest;
*(mr->rdParm + 6) = xDest;
ret = MF_WriteRecord( dcDest, mr, mr->rdSize * 2);
}
else
ret = FALSE;
GlobalFree16(hmr);
return ret;
}
/**********************************************************************
* 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, DC *dcSrc, short xSrc, short ySrc,
short widthSrc, short heightSrc, DWORD rop)
{
BOOL ret;
DWORD len;
HGLOBAL16 hmr;
METARECORD *mr;
BITMAP16 BM;
#ifdef STRETCH_VIA_DIB
LPBITMAPINFOHEADER lpBMI;
WORD nBPP;
#endif
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->rdParm+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 = MulDiv(GetDeviceCaps(dcSrc->hSelf,LOGPIXELSX),3937,100);
lpBMI->biYPelsPerMeter = MulDiv(GetDeviceCaps(dcSrc->hSelf,LOGPIXELSY),3937,100);
lpBMI->biClrImportant = 0; /* 1 meter = 39.37 inch */
TRACE(metafile,"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,
(LPSTR)lpBMI + DIB_BitmapInfoSize( (BITMAPINFO *)lpBMI,
DIB_RGB_COLORS ),
(LPBITMAPINFO)lpBMI, DIB_RGB_COLORS))
#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->rdParm +10) = BM.bmWidth;
*(mr->rdParm +11) = BM.bmHeight;
*(mr->rdParm +12) = BM.bmWidthBytes;
*(mr->rdParm +13) = BM.bmPlanes;
*(mr->rdParm +14) = BM.bmBitsPixel;
TRACE(metafile,"MF_StretchBlt->len = %ld rop=%lx \n",len,rop);
if (GetBitmapBits( dcSrc->w.hBitmap, BM.bmWidthBytes * BM.bmHeight,
mr->rdParm +15))
#endif
{
mr->rdSize = len / sizeof(INT16);
*(mr->rdParm) = LOWORD(rop);
*(mr->rdParm + 1) = HIWORD(rop);
*(mr->rdParm + 2) = heightSrc;
*(mr->rdParm + 3) = widthSrc;
*(mr->rdParm + 4) = ySrc;
*(mr->rdParm + 5) = xSrc;
*(mr->rdParm + 6) = heightDest;
*(mr->rdParm + 7) = widthDest;
*(mr->rdParm + 8) = yDest;
*(mr->rdParm + 9) = xDest;
ret = MF_WriteRecord( dcDest, mr, mr->rdSize * 2);
}
else
ret = FALSE;
GlobalFree16(hmr);
return ret;
}
/******************************************************************
* MF_CreateRegion
*/
INT16 MF_CreateRegion(DC *dc, HRGN hrgn)
{
DWORD len;
METARECORD *mr;
RGNDATA *rgndata;
RECT *pCurRect, *pEndRect;
WORD Bands = 0, MaxBands = 0;
WORD *Param, *StartBand;
BOOL ret;
len = GetRegionData( hrgn, 0, NULL );
if( !(rgndata = HeapAlloc( SystemHeap, 0, len )) ) {
WARN(metafile, "MF_CreateRegion: can't alloc rgndata buffer\n");
return -1;
}
GetRegionData( hrgn, len, rgndata );
/* Overestimate of length:
* Assume every rect is a separate band -> 6 WORDs per rect
*/
len = sizeof(METARECORD) + 20 + (rgndata->rdh.nCount * 12);
if( !(mr = HeapAlloc( SystemHeap, 0, len )) ) {
WARN(metafile, "MF_CreateRegion: can't alloc METARECORD buffer\n");
HeapFree( SystemHeap, 0, rgndata );
return -1;
}
memset(mr, 0, len);
Param = mr->rdParm + 11;
StartBand = NULL;
pEndRect = (RECT *)rgndata->Buffer + rgndata->rdh.nCount;
for(pCurRect = (RECT *)rgndata->Buffer; pCurRect < pEndRect; pCurRect++)
{
if( StartBand && pCurRect->top == *(StartBand + 1) )
{
*Param++ = pCurRect->left;
*Param++ = pCurRect->right;
}
else
{
if(StartBand)
{
*StartBand = Param - StartBand - 3;
*Param++ = *StartBand;
if(*StartBand > MaxBands)
MaxBands = *StartBand;
Bands++;
}
StartBand = Param++;
*Param++ = pCurRect->top;
*Param++ = pCurRect->bottom;
*Param++ = pCurRect->left;
*Param++ = pCurRect->right;
}
}
len = Param - (WORD *)mr;
mr->rdParm[0] = 0;
mr->rdParm[1] = 6;
mr->rdParm[2] = 0x1234;
mr->rdParm[3] = 0;
mr->rdParm[4] = len * 2;
mr->rdParm[5] = Bands;
mr->rdParm[6] = MaxBands;
mr->rdParm[7] = rgndata->rdh.rcBound.left;
mr->rdParm[8] = rgndata->rdh.rcBound.top;
mr->rdParm[9] = rgndata->rdh.rcBound.right;
mr->rdParm[10] = rgndata->rdh.rcBound.bottom;
mr->rdFunction = META_CREATEREGION;
mr->rdSize = len / 2;
ret = MF_WriteRecord( dc, mr, mr->rdSize * 2 );
HeapFree( SystemHeap, 0, mr );
HeapFree( SystemHeap, 0, rgndata );
if(!ret)
{
WARN(metafile, "MF_CreateRegion: MF_WriteRecord failed\n");
return -1;
}
return MF_AddHandleDC( dc );
}
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