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gdi32: Allocate the DIB driver on first use, and free it only upon DC destruction.

This commit is contained in:
Alexandre Julliard 2011-09-07 23:47:31 +02:00
parent da0327917c
commit d12d98511c
6 changed files with 45 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
dlls/gdi32/bitmap.c
View File

@ -702,13 +702,18 @@ static HGDIOBJ BITMAP_SelectObject( HGDIOBJ handle, HDC hdc )
}
old_physdev = GET_DC_PHYSDEV( dc, pSelectBitmap );
if(old_physdev == &dc->dibdrv.dev)
if(old_physdev == dc->dibdrv)
old_physdev = pop_dc_driver( &dc->physDev );
if(bitmap->dib)
{
physdev = &dc->dibdrv.dev;
push_dc_driver( &dc->physDev, physdev, physdev->funcs );
physdev = dc->dibdrv;
if (physdev) push_dc_driver( &dc->physDev, physdev, physdev->funcs );
else
{
if (!dib_driver.pCreateDC( &dc->physDev, NULL, NULL, NULL, NULL )) goto done;
dc->dibdrv = physdev = dc->physDev;
}
}
else
physdev = GET_DC_PHYSDEV( dc, pSelectBitmap );
@ -742,8 +747,10 @@ static HGDIOBJ BITMAP_SelectObject( HGDIOBJ handle, HDC hdc )
done:
if(!ret)
{
if(physdev == &dc->dibdrv.dev) pop_dc_driver( &dc->physDev );
if(old_physdev == &dc->dibdrv.dev) push_dc_driver( &dc->physDev, old_physdev, old_physdev->funcs );
if (physdev && physdev == dc->dibdrv)
pop_dc_driver( &dc->physDev );
if (old_physdev && old_physdev == dc->dibdrv)
push_dc_driver( &dc->physDev, old_physdev, old_physdev->funcs );
}
release_dc_ptr( dc );
return ret;

2
dlls/gdi32/brush.c
View File

@ -392,7 +392,7 @@ static HGDIOBJ BRUSH_SelectObject( HGDIOBJ handle, HDC hdc )
PHYSDEV pattern_dev = physdev;
/* FIXME: This will go away once the dib driver implements
pattern brushes */
if(pattern_dev == &dc->dibdrv.dev)
if(pattern_dev == dc->dibdrv)
pattern_dev = GET_NEXT_PHYSDEV( physdev, pSelectBrush );
BITMAP_SetOwnerDC( (HBITMAP)brush->logbrush.lbHatch, pattern_dev );

5
dlls/gdi32/dc.c
View File

@ -79,8 +79,7 @@ DC *alloc_dc_ptr( WORD magic )
dc->nulldrv.funcs = &null_driver;
dc->nulldrv.next = NULL;
dc->dibdrv.dev.funcs = &dib_driver;
dc->dibdrv.dev.next = NULL;
dc->dibdrv = NULL;
dc->physDev = &dc->nulldrv;
dc->thread = GetCurrentThreadId();
dc->refcount = 1;
@ -185,7 +184,9 @@ void free_dc_ptr( DC *dc )
{
PHYSDEV physdev = pop_dc_driver( &dc->physDev );
physdev->funcs->pDeleteDC( physdev );
if (physdev == dc->dibdrv) dc->dibdrv = NULL;
}
if (dc->dibdrv) dc->dibdrv->funcs->pDeleteDC( dc->dibdrv );
free_gdi_handle( dc->hSelf );
free_dc_state( dc );
}

32
dlls/gdi32/dibdrv/dc.c
View File

@ -349,6 +349,26 @@ void restore_clipping_region( dibdrv_physdev *pdev, HRGN rgn )
pdev->clip = rgn;
}
/**********************************************************************
* dibdrv_CreateDC
*/
static BOOL dibdrv_CreateDC( PHYSDEV *dev, LPCWSTR driver, LPCWSTR device,
LPCWSTR output, const DEVMODEW *data )
{
dibdrv_physdev *pdev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pdev) );
if (!pdev) return FALSE;
if (!(pdev->clip = CreateRectRgn(0, 0, 0, 0)))
{
HeapFree( GetProcessHeap(), 0, pdev );
return FALSE;
}
clear_dib_info(&pdev->dib);
clear_dib_info(&pdev->brush_dib);
push_dc_driver( dev, &pdev->dev, &dib_driver );
return TRUE;
}
/***********************************************************************
* dibdrv_DeleteDC
*/
@ -359,7 +379,8 @@ static BOOL dibdrv_DeleteDC( PHYSDEV dev )
DeleteObject(pdev->clip);
free_pattern_brush(pdev);
free_dib_info(&pdev->dib);
return 0;
HeapFree( GetProcessHeap(), 0, pdev );
return TRUE;
}
/***********************************************************************
@ -375,13 +396,8 @@ static HBITMAP dibdrv_SelectBitmap( PHYSDEV dev, HBITMAP bitmap )
if (!bmp) return 0;
assert(bmp->dib);
pdev->clip = CreateRectRgn(0, 0, 0, 0);
free_dib_info(&pdev->dib);
pdev->defer = 0;
clear_dib_info(&pdev->dib);
clear_dib_info(&pdev->brush_dib);
pdev->brush_and_bits = pdev->brush_xor_bits = NULL;
if(!init_dib_info_from_bitmapobj(&pdev->dib, bmp, private_color_table))
pdev->defer |= DEFER_FORMAT;
@ -494,7 +510,7 @@ const DC_FUNCTIONS dib_driver =
NULL, /* pCloseFigure */
NULL, /* pCreateBitmap */
NULL, /* pCreateCompatibleDC */
NULL, /* pCreateDC */
dibdrv_CreateDC, /* pCreateDC */
NULL, /* pCreateDIBSection */
NULL, /* pDeleteBitmap */
dibdrv_DeleteDC, /* pDeleteDC */

5
dlls/gdi32/dibdrv/dibdrv.h
View File

@ -40,11 +40,6 @@ static inline dibdrv_physdev *get_dibdrv_pdev( PHYSDEV dev )
return (dibdrv_physdev *)dev;
}
static inline DC *get_dibdrv_dc( PHYSDEV dev )
{
return CONTAINING_RECORD( dev, DC, dibdrv );
}
typedef struct primitive_funcs
{
void (* solid_rects)(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor);

10
dlls/gdi32/gdi_private.h
View File

@ -186,11 +186,11 @@ typedef struct tagDC
GDIOBJHDR header;
HDC hSelf; /* Handle to this DC */
struct gdi_physdev nulldrv; /* physdev for the null driver */
struct dibdrv_physdev dibdrv; /* physdev for the dib driver */
PHYSDEV physDev; /* Physical device (driver-specific) */
DWORD thread; /* thread owning the DC */
LONG refcount; /* thread refcount */
LONG dirty; /* dirty flag */
PHYSDEV dibdrv; /* physdev for the dib driver */
PHYSDEV physDev; /* current top of the physdev stack */
DWORD thread; /* thread owning the DC */
LONG refcount; /* thread refcount */
LONG dirty; /* dirty flag */
INT saveLevel;
struct tagDC *saved_dc;
DWORD_PTR dwHookData;