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gdi32: Store the HDC list directly in the GDI handle table.

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This commit is contained in:
Alexandre Julliard 2012-10-17 13:03:18 +02:00
parent cf3cafdc18
commit 2e693d00c9
2 changed files with 42 additions and 58 deletions
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11
dlls/gdi32/gdi_private.h
View File

@ -57,18 +57,11 @@ struct gdi_obj_funcs
BOOL (*pDeleteObject)( HGDIOBJ handle );
};
struct hdc_list
{
HDC hdc;
struct hdc_list *next;
};
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 */
struct hdc_list *hdcs;
} GDIOBJHDR;
typedef struct tagGdiFont GdiFont;
@ -325,8 +318,8 @@ extern void GDI_ReleaseObj( HGDIOBJ ) DECLSPEC_HIDDEN;
extern void GDI_CheckNotLock(void) DECLSPEC_HIDDEN;
extern HGDIOBJ GDI_inc_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
extern BOOL GDI_dec_ref_count( HGDIOBJ handle ) DECLSPEC_HIDDEN;
extern BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
extern BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
extern void GDI_hdc_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
extern void GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc) DECLSPEC_HIDDEN;
/* metafile.c */
extern HMETAFILE MF_Create_HMETAFILE(METAHEADER *mh) DECLSPEC_HIDDEN;

89
dlls/gdi32/gdiobj.c
View File

@ -41,10 +41,17 @@ WINE_DEFAULT_DEBUG_CHANNEL(gdi);
#define FIRST_GDI_HANDLE 16
#define MAX_GDI_HANDLES 16384
struct hdc_list
{
HDC hdc;
struct hdc_list *next;
};
struct gdi_handle_entry
{
GDIOBJHDR *obj; /* pointer to the object-specific data */
const struct gdi_obj_funcs *funcs; /* type-specific functions */
struct hdc_list *hdcs; /* list of HDCs interested in this object */
WORD type; /* object type (one of the OBJ_* constants) */
};
@ -683,7 +690,6 @@ HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs
obj->system = 0;
obj->deleted = 0;
obj->selcount = 0;
obj->hdcs = NULL;
EnterCriticalSection( &gdi_section );
for (i = next_gdi_handle + 1; i < MAX_GDI_HANDLES; i++)
@ -700,6 +706,7 @@ HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs
entry = &gdi_handles[i];
entry->obj = obj;
entry->funcs = funcs;
entry->hdcs = NULL;
entry->type = type;
next_gdi_handle = i;
ret = entry_to_handle( entry );
@ -819,11 +826,11 @@ BOOL WINAPI DeleteObject( HGDIOBJ obj )
return TRUE;
}
while ((hdcs_head = entry->obj->hdcs) != NULL)
while ((hdcs_head = entry->hdcs) != NULL)
{
DC *dc = get_dc_ptr(hdcs_head->hdc);
entry->obj->hdcs = hdcs_head->next;
entry->hdcs = hdcs_head->next;
TRACE("hdc %p has interest in %p\n", hdcs_head->hdc, obj);
if(dc)
@ -861,70 +868,54 @@ BOOL WINAPI DeleteObject( HGDIOBJ obj )
*
* Call this if the dc requires DeleteObject notification
*/
BOOL GDI_hdc_using_object(HGDIOBJ obj, HDC hdc)
void GDI_hdc_using_object(HGDIOBJ obj, HDC hdc)
{
GDIOBJHDR * header;
struct hdc_list **pphdc;
struct gdi_handle_entry *entry;
struct hdc_list *phdc;
TRACE("obj %p hdc %p\n", obj, hdc);
if (!(header = GDI_GetObjPtr( obj, 0 ))) return FALSE;
if (header->system)
EnterCriticalSection( &gdi_section );
if ((entry = handle_entry( obj )) && !entry->obj->system)
{
GDI_ReleaseObj(obj);
return FALSE;
for (phdc = entry->hdcs; phdc; phdc = phdc->next)
if (phdc->hdc == hdc) break;
if (!phdc)
{
phdc = HeapAlloc(GetProcessHeap(), 0, sizeof(*phdc));
phdc->hdc = hdc;
phdc->next = entry->hdcs;
entry->hdcs = phdc;
}
}
for(pphdc = &header->hdcs; *pphdc; pphdc = &(*pphdc)->next)
if((*pphdc)->hdc == hdc)
break;
if(!*pphdc) {
*pphdc = HeapAlloc(GetProcessHeap(), 0, sizeof(**pphdc));
(*pphdc)->hdc = hdc;
(*pphdc)->next = NULL;
}
GDI_ReleaseObj(obj);
return TRUE;
LeaveCriticalSection( &gdi_section );
}
/***********************************************************************
* GDI_hdc_not_using_object
*
*/
BOOL GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc)
void GDI_hdc_not_using_object(HGDIOBJ obj, HDC hdc)
{
GDIOBJHDR * header;
struct hdc_list *phdc, **prev;
struct gdi_handle_entry *entry;
struct hdc_list **pphdc;
TRACE("obj %p hdc %p\n", obj, hdc);
if (!(header = GDI_GetObjPtr( obj, 0 ))) return FALSE;
if (header->system)
EnterCriticalSection( &gdi_section );
if ((entry = handle_entry( obj )) && !entry->obj->system)
{
GDI_ReleaseObj(obj);
return FALSE;
for (pphdc = &entry->hdcs; *pphdc; pphdc = &(*pphdc)->next)
if ((*pphdc)->hdc == hdc)
{
struct hdc_list *phdc = *pphdc;
*pphdc = phdc->next;
HeapFree(GetProcessHeap(), 0, phdc);
break;
}
}
phdc = header->hdcs;
prev = &header->hdcs;
while(phdc) {
if(phdc->hdc == hdc) {
*prev = phdc->next;
HeapFree(GetProcessHeap(), 0, phdc);
phdc = *prev;
} else {
prev = &phdc->next;
phdc = phdc->next;
}
}
GDI_ReleaseObj(obj);
return TRUE;
LeaveCriticalSection( &gdi_section );
}
/***********************************************************************