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gdi32: Store the object function table directly in the GDI handle table.

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This commit is contained in:
Alexandre Julliard 2012-10-17 12:43:23 +02:00
parent 2bdf447744
commit cf3cafdc18
2 changed files with 60 additions and 74 deletions
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1
dlls/gdi32/gdi_private.h
View file

@ -68,7 +68,6 @@ typedef struct tagGDIOBJHDR
WORD system : 1; /* system object flag */
WORD deleted : 1; /* whether DeleteObject has been called on this object */
DWORD selcount; /* number of times the object is selected in a DC */
const struct gdi_obj_funcs *funcs;
struct hdc_list *hdcs;
} GDIOBJHDR;

133
dlls/gdi32/gdiobj.c
View file

@ -44,6 +44,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(gdi);
struct gdi_handle_entry
{
GDIOBJHDR *obj; /* pointer to the object-specific data */
const struct gdi_obj_funcs *funcs; /* type-specific functions */
WORD type; /* object type (one of the OBJ_* constants) */
};
@ -682,7 +683,6 @@ HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs
obj->system = 0;
obj->deleted = 0;
obj->selcount = 0;
obj->funcs = funcs;
obj->hdcs = NULL;
EnterCriticalSection( &gdi_section );
@ -699,6 +699,7 @@ HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs
found:
entry = &gdi_handles[i];
entry->obj = obj;
entry->funcs = funcs;
entry->type = type;
next_gdi_handle = i;
ret = entry_to_handle( entry );
@ -728,11 +729,6 @@ void *free_gdi_handle( HGDIOBJ handle )
entry->type = 0;
}
LeaveCriticalSection( &gdi_section );
if (object)
{
object->funcs = NULL;
}
return object;
}
@ -805,60 +801,59 @@ void GDI_CheckNotLock(void)
*/
BOOL WINAPI DeleteObject( HGDIOBJ obj )
{
/* Check if object is valid */
struct gdi_handle_entry *entry;
struct hdc_list *hdcs_head;
const struct gdi_obj_funcs *funcs;
GDIOBJHDR * header;
if (HIWORD(obj)) return FALSE;
EnterCriticalSection( &gdi_section );
if (!(entry = handle_entry( obj )))
{
LeaveCriticalSection( &gdi_section );
return FALSE;
}
if (!(header = GDI_GetObjPtr( obj, 0 ))) return FALSE;
if (header->system)
if (entry->obj->system)
{
TRACE("Preserving system object %p\n", obj);
GDI_ReleaseObj( obj );
LeaveCriticalSection( &gdi_section );
return TRUE;
}
while ((hdcs_head = header->hdcs) != NULL)
while ((hdcs_head = entry->obj->hdcs) != NULL)
{
DC *dc = get_dc_ptr(hdcs_head->hdc);
header->hdcs = hdcs_head->next;
entry->obj->hdcs = hdcs_head->next;
TRACE("hdc %p has interest in %p\n", hdcs_head->hdc, obj);
if(dc)
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pDeleteObject );
GDI_ReleaseObj( obj ); /* release the GDI lock */
LeaveCriticalSection( &gdi_section );
physdev->funcs->pDeleteObject( physdev, obj );
header = GDI_GetObjPtr( obj, 0 ); /* and grab it again */
EnterCriticalSection( &gdi_section ); /* and grab it again */
entry = handle_entry( obj );
release_dc_ptr( dc );
}
HeapFree(GetProcessHeap(), 0, hdcs_head);
if (!header) return FALSE;
if (!entry) return FALSE;
}
if (header->selcount)
if (entry->obj->selcount)
{
TRACE("delayed for %p because object in use, count %u\n", obj, header->selcount );
header->deleted = 1; /* mark for delete */
GDI_ReleaseObj( obj );
TRACE("delayed for %p because object in use, count %u\n", obj, entry->obj->selcount );
entry->obj->deleted = 1; /* mark for delete */
LeaveCriticalSection( &gdi_section );
return TRUE;
}
funcs = entry->funcs;
LeaveCriticalSection( &gdi_section );
TRACE("%p\n", obj );
/* Delete object */
funcs = header->funcs;
GDI_ReleaseObj( obj );
if (funcs && funcs->pDeleteObject)
return funcs->pDeleteObject( obj );
else
return FALSE;
if (funcs && funcs->pDeleteObject) return funcs->pDeleteObject( obj );
return FALSE;
}
/***********************************************************************
@ -950,26 +945,25 @@ HGDIOBJ WINAPI GetStockObject( INT obj )
*/
INT WINAPI GetObjectA( HGDIOBJ handle, INT count, LPVOID buffer )
{
const struct gdi_obj_funcs *funcs;
GDIOBJHDR * ptr;
struct gdi_handle_entry *entry;
const struct gdi_obj_funcs *funcs = NULL;
INT result = 0;
TRACE("%p %d %p\n", handle, count, buffer );
if (!(ptr = GDI_GetObjPtr( handle, 0 ))) return 0;
funcs = ptr->funcs;
GDI_ReleaseObj( handle );
EnterCriticalSection( &gdi_section );
if ((entry = handle_entry( handle ))) funcs = entry->funcs;
LeaveCriticalSection( &gdi_section );
if (funcs && funcs->pGetObjectA)
if (funcs)
{
if (buffer && ((ULONG_PTR)buffer >> 16) == 0) /* catch apps getting argument order wrong */
if (!funcs->pGetObjectA)
SetLastError( ERROR_INVALID_HANDLE );
else if (buffer && ((ULONG_PTR)buffer >> 16) == 0) /* catch apps getting argument order wrong */
SetLastError( ERROR_NOACCESS );
else
result = funcs->pGetObjectA( handle, count, buffer );
}
else
SetLastError( ERROR_INVALID_HANDLE );
return result;
}
@ -978,25 +972,25 @@ INT WINAPI GetObjectA( HGDIOBJ handle, INT count, LPVOID buffer )
*/
INT WINAPI GetObjectW( HGDIOBJ handle, INT count, LPVOID buffer )
{
const struct gdi_obj_funcs *funcs;
GDIOBJHDR * ptr;
struct gdi_handle_entry *entry;
const struct gdi_obj_funcs *funcs = NULL;
INT result = 0;
TRACE("%p %d %p\n", handle, count, buffer );
if (!(ptr = GDI_GetObjPtr( handle, 0 ))) return 0;
funcs = ptr->funcs;
GDI_ReleaseObj( handle );
EnterCriticalSection( &gdi_section );
if ((entry = handle_entry( handle ))) funcs = entry->funcs;
LeaveCriticalSection( &gdi_section );
if (funcs && funcs->pGetObjectW)
if (funcs)
{
if (buffer && ((ULONG_PTR)buffer >> 16) == 0) /* catch apps getting argument order wrong */
if (!funcs->pGetObjectW)
SetLastError( ERROR_INVALID_HANDLE );
else if (buffer && ((ULONG_PTR)buffer >> 16) == 0) /* catch apps getting argument order wrong */
SetLastError( ERROR_NOACCESS );
else
result = funcs->pGetObjectW( handle, count, buffer );
}
else
SetLastError( ERROR_INVALID_HANDLE );
return result;
}
@ -1083,19 +1077,17 @@ HGDIOBJ WINAPI GetCurrentObject(HDC hdc,UINT type)
*/
HGDIOBJ WINAPI SelectObject( HDC hdc, HGDIOBJ hObj )
{
HGDIOBJ ret = 0;
GDIOBJHDR *header;
struct gdi_handle_entry *entry;
const struct gdi_obj_funcs *funcs = NULL;
TRACE( "(%p,%p)\n", hdc, hObj );
header = GDI_GetObjPtr( hObj, 0 );
if (header)
{
const struct gdi_obj_funcs *funcs = header->funcs;
GDI_ReleaseObj( hObj );
if (funcs && funcs->pSelectObject) ret = funcs->pSelectObject( hObj, hdc );
}
return ret;
EnterCriticalSection( &gdi_section );
if ((entry = handle_entry( hObj ))) funcs = entry->funcs;
LeaveCriticalSection( &gdi_section );
if (funcs && funcs->pSelectObject) return funcs->pSelectObject( hObj, hdc );
return 0;
}
@ -1104,20 +1096,15 @@ HGDIOBJ WINAPI SelectObject( HDC hdc, HGDIOBJ hObj )
*/
BOOL WINAPI UnrealizeObject( HGDIOBJ obj )
{
BOOL result = FALSE;
GDIOBJHDR * header = GDI_GetObjPtr( obj, 0 );
struct gdi_handle_entry *entry;
const struct gdi_obj_funcs *funcs = NULL;
if (header)
{
const struct gdi_obj_funcs *funcs = header->funcs;
EnterCriticalSection( &gdi_section );
if ((entry = handle_entry( obj ))) funcs = entry->funcs;
LeaveCriticalSection( &gdi_section );
GDI_ReleaseObj( obj );
if (funcs && funcs->pUnrealizeObject)
result = header->funcs->pUnrealizeObject( obj );
else
result = TRUE;
}
return result;
if (funcs && funcs->pUnrealizeObject) return funcs->pUnrealizeObject( obj );
return funcs != NULL;
}