/***********************************************************************
* DeleteObject (GDI32.@)
*/
BOOL WINAPI DeleteObject( HGDIOBJ obj )
{
/* Check if object is valid */
GDIOBJHDR * header;
if (HIWORD(obj)) return FALSE;
if (!(header = GDI_GetObjPtr( obj, MAGIC_DONTCARE ))) return FALSE;
if (!(header->wMagic & OBJECT_NOSYSTEM)
&& (header->wMagic >= FIRST_MAGIC) && (header->wMagic <= LAST_MAGIC))
{
TRACE("Preserving system object %04x\n", obj);
GDI_ReleaseObj( obj );
return TRUE;
}
if (header->dwCount)
{
TRACE("delayed for %04x because object in use, count %ld\n", obj, header->dwCount );
header->dwCount |= 0x80000000; /* mark for delete */
GDI_ReleaseObj( obj );
return TRUE;
}
TRACE("%04x\n", obj );
/* Delete object */
switch(GDIMAGIC(header->wMagic))
{
case PEN_MAGIC:
return GDI_FreeObject( obj, header );
case BRUSH_MAGIC:
return BRUSH_DeleteObject( obj, (BRUSHOBJ*)header );
case FONT_MAGIC:
return FONT_DeleteObject( obj, (FONTOBJ*)header );
case PALETTE_MAGIC:
return PALETTE_DeleteObject(obj,(PALETTEOBJ*)header);
case BITMAP_MAGIC:
return BITMAP_DeleteObject( obj, (BITMAPOBJ*)header);
case REGION_MAGIC:
return REGION_DeleteObject( obj, (RGNOBJ*)header );
case DC_MAGIC:
GDI_ReleaseObj( obj );
return DeleteDC(obj);
case 0 :
WARN("Already deleted\n");
break;
default:
WARN("Unknown magic number (%04x)\n",GDIMAGIC(header->wMagic));
}
GDI_ReleaseObj( obj );
return FALSE;
}
/***********************************************************************
* BITMAP_DeleteObject
*/
static BOOL BITMAP_DeleteObject( HGDIOBJ handle, void *obj )
{
BITMAPOBJ * bmp = obj;
if (bmp->funcs && bmp->funcs->pDeleteBitmap)
bmp->funcs->pDeleteBitmap( handle );
HeapFree( GetProcessHeap(), 0, bmp->bitmap.bmBits );
if (bmp->dib)
{
DIBSECTION *dib = bmp->dib;
if (dib->dsBm.bmBits)
{
if (dib->dshSection)
{
SYSTEM_INFO SystemInfo;
GetSystemInfo( &SystemInfo );
UnmapViewOfFile( (char *)dib->dsBm.bmBits -
(dib->dsOffset % SystemInfo.dwAllocationGranularity) );
}
else if (!dib->dsOffset)
VirtualFree(dib->dsBm.bmBits, 0L, MEM_RELEASE );
}
HeapFree(GetProcessHeap(), 0, dib);
bmp->dib = NULL;
if (bmp->segptr_bits)
{ /* free its selector array */
WORD sel = SELECTOROF(bmp->segptr_bits);
WORD count = (GetSelectorLimit16(sel) / 0x10000) + 1;
int i;
for (i = 0; i < count; i++) FreeSelector16(sel + (i << __AHSHIFT));
}
HeapFree(GetProcessHeap(), 0, bmp->color_table);
}
return GDI_FreeObject( handle, obj );
}
/***********************************************************************
* FONT_DeleteObject
*
*/
static BOOL FONT_DeleteObject(HGDIOBJ hfont, FONTOBJ *fontobj)
{
WineEngDestroyFontInstance( hfont );
return GDI_FreeObject( hfont, fontobj );
}