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gdi32: Add null driver entry points for the bitmap functions.

This commit is contained in:
Alexandre Julliard 2011-03-15 19:51:06 +01:00
parent dc96c688d3
commit 122b5bf784
5 changed files with 107 additions and 90 deletions
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127
dlls/gdi32/bitmap.c
View File

@ -45,6 +45,54 @@ static const struct gdi_obj_funcs bitmap_funcs =
BITMAP_DeleteObject /* pDeleteObject */
};
/***********************************************************************
* null driver fallback implementations
*/
LONG CDECL nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size )
{
BITMAPOBJ *bmp = GDI_GetObjPtr( bitmap, OBJ_BITMAP );
if (bmp->bitmap.bmBits) memcpy( bits, bmp->bitmap.bmBits, size );
else memset( bits, 0, size );
GDI_ReleaseObj( bitmap );
return size;
}
LONG CDECL nulldrv_SetBitmapBits( HBITMAP bitmap, const void *bits, LONG size )
{
BITMAPOBJ *bmp = GDI_GetObjPtr( bitmap, OBJ_BITMAP );
if (!bmp->bitmap.bmBits)
{
LONG total = bmp->bitmap.bmHeight * bmp->bitmap.bmWidthBytes; /* alloc enough for entire bitmap */
if (!(bmp->bitmap.bmBits = HeapAlloc( GetProcessHeap(), 0, total )))
{
GDI_ReleaseObj( bitmap );
return 0;
}
if (size < total) memset( (char *)bmp->bitmap.bmBits + size, 0, total - size );
}
memcpy( bmp->bitmap.bmBits, bits, size );
GDI_ReleaseObj( bitmap );
return size;
}
INT CDECL nulldrv_GetDIBits( PHYSDEV dev, HBITMAP bitmap, UINT start, UINT lines, LPVOID bits,
BITMAPINFO *info, UINT coloruse )
{
/* FIXME: transfer bits from bmp->bitmap.bmBits */
return 0;
}
INT CDECL nulldrv_SetDIBits( PHYSDEV dev, HBITMAP bitmap, UINT start, UINT lines,
const void *bits, const BITMAPINFO *info, UINT coloruse )
{
/* FIXME: transfer bits to bmp->bitmap.bmBits */
return 0;
}
/***********************************************************************
* BITMAP_GetWidthBytes
*
@ -290,7 +338,7 @@ HBITMAP WINAPI CreateBitmapIndirect( const BITMAP *bmp )
bmpobj->size.cy = 0;
bmpobj->bitmap = bm;
bmpobj->bitmap.bmBits = NULL;
bmpobj->funcs = NULL;
bmpobj->funcs = &null_driver;
bmpobj->dib = NULL;
bmpobj->color_table = NULL;
bmpobj->nb_colors = 0;
@ -400,22 +448,7 @@ LONG WINAPI GetBitmapBits(
hbitmap, count, bits, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight,
1 << bmp->bitmap.bmBitsPixel, height );
if(bmp->funcs && bmp->funcs->pGetBitmapBits)
{
TRACE("Calling device specific BitmapBits\n");
ret = bmp->funcs->pGetBitmapBits(hbitmap, bits, count);
} else {
if(!bmp->bitmap.bmBits) {
TRACE("Bitmap is empty\n");
memset(bits, 0, count);
ret = count;
} else {
memcpy(bits, bmp->bitmap.bmBits, count);
ret = count;
}
}
ret = bmp->funcs->pGetBitmapBits( hbitmap, bits, count );
done:
GDI_ReleaseObj( hbitmap );
return ret;
@ -483,23 +516,7 @@ LONG WINAPI SetBitmapBits(
hbitmap, count, bits, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight,
1 << bmp->bitmap.bmBitsPixel, height );
if(bmp->funcs && bmp->funcs->pSetBitmapBits) {
TRACE("Calling device specific BitmapBits\n");
ret = bmp->funcs->pSetBitmapBits(hbitmap, bits, count);
} else {
if(!bmp->bitmap.bmBits) /* Alloc enough for entire bitmap */
bmp->bitmap.bmBits = HeapAlloc( GetProcessHeap(), 0, count );
if(!bmp->bitmap.bmBits) {
WARN("Unable to allocate bit buffer\n");
ret = 0;
} else {
memcpy(bmp->bitmap.bmBits, bits, count);
ret = count;
}
}
ret = bmp->funcs->pSetBitmapBits( hbitmap, bits, count );
GDI_ReleaseObj( hbitmap );
return ret;
}
@ -565,27 +582,37 @@ HBITMAP BITMAP_CopyBitmap(HBITMAP hbitmap)
* bitmap is selected into a device to initialize the bitmap function
* table.
*/
BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, DC *dc )
BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, PHYSDEV physdev )
{
BITMAPOBJ *bitmap;
BOOL ret;
BOOL ret = TRUE;
/* never set the owner of the stock bitmap since it can be selected in multiple DCs */
if (hbitmap == GetStockObject(DEFAULT_BITMAP)) return TRUE;
if (!(bitmap = GDI_GetObjPtr( hbitmap, OBJ_BITMAP ))) return FALSE;
ret = TRUE;
if (!bitmap->funcs) /* not owned by a DC yet */
if (bitmap->funcs != physdev->funcs)
{
if (dc->funcs->pCreateBitmap) ret = dc->funcs->pCreateBitmap( dc->physDev, hbitmap,
bitmap->bitmap.bmBits );
if (ret) bitmap->funcs = dc->funcs;
}
else if (bitmap->funcs != dc->funcs)
{
FIXME( "Trying to select bitmap %p in different DC type\n", hbitmap );
ret = FALSE;
/* we can only change from the null driver to some other driver */
if (bitmap->funcs == &null_driver)
{
if (physdev->funcs->pCreateBitmap)
{
ret = physdev->funcs->pCreateBitmap( physdev, hbitmap, bitmap->bitmap.bmBits );
if (ret) bitmap->funcs = physdev->funcs;
}
else
{
WARN( "Trying to select bitmap %p in DC that doesn't support it\n", hbitmap );
ret = FALSE;
}
}
else
{
FIXME( "Trying to select bitmap %p in different DC type\n", hbitmap );
ret = FALSE;
}
}
GDI_ReleaseObj( hbitmap );
return ret;
@ -626,14 +653,14 @@ static HGDIOBJ BITMAP_SelectObject( HGDIOBJ handle, HDC hdc )
goto done;
}
if (!bitmap->funcs && !BITMAP_SetOwnerDC( handle, dc ))
physdev = GET_DC_PHYSDEV( dc, pSelectBitmap );
if (!BITMAP_SetOwnerDC( handle, physdev ))
{
GDI_ReleaseObj( handle );
ret = 0;
goto done;
}
physdev = GET_DC_PHYSDEV( dc, pSelectBitmap );
if (!physdev->funcs->pSelectBitmap( physdev, handle ))
{
GDI_ReleaseObj( handle );
@ -672,7 +699,7 @@ static BOOL BITMAP_DeleteObject( HGDIOBJ handle )
funcs = bmp->funcs;
GDI_ReleaseObj( handle );
if (funcs && funcs->pDeleteBitmap) funcs->pDeleteBitmap( handle );
funcs->pDeleteBitmap( handle );
if (!(bmp = free_gdi_handle( handle ))) return FALSE;

2
dlls/gdi32/brush.c
View File

@ -390,7 +390,7 @@ static HGDIOBJ BRUSH_SelectObject( HGDIOBJ handle, HDC hdc )
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSelectBrush );
if (brush->logbrush.lbStyle == BS_PATTERN)
BITMAP_SetOwnerDC( (HBITMAP)brush->logbrush.lbHatch, dc );
BITMAP_SetOwnerDC( (HBITMAP)brush->logbrush.lbHatch, physdev );
GDI_inc_ref_count( handle );
GDI_ReleaseObj( handle );

40
dlls/gdi32/dib.c
View File

@ -341,6 +341,7 @@ INT WINAPI SetDIBits( HDC hdc, HBITMAP hbitmap, UINT startscan,
{
DC *dc = get_dc_ptr( hdc );
BOOL delete_hdc = FALSE;
PHYSDEV physdev;
BITMAPOBJ *bitmap;
INT result = 0;
@ -362,19 +363,10 @@ INT WINAPI SetDIBits( HDC hdc, HBITMAP hbitmap, UINT startscan,
return 0;
}
if (!bitmap->funcs && !BITMAP_SetOwnerDC( hbitmap, dc )) goto done;
physdev = GET_DC_PHYSDEV( dc, pSetDIBits );
if (BITMAP_SetOwnerDC( hbitmap, physdev ))
result = physdev->funcs->pSetDIBits( physdev, hbitmap, startscan, lines, bits, info, coloruse );
result = lines;
if (bitmap->funcs)
{
if (bitmap->funcs != dc->funcs)
ERR( "not supported: DDB bitmap %p not belonging to device %p\n", hbitmap, hdc );
else if (dc->funcs->pSetDIBits)
result = dc->funcs->pSetDIBits( dc->physDev, hbitmap, startscan, lines,
bits, info, coloruse );
}
done:
GDI_ReleaseObj( hbitmap );
release_dc_ptr( dc );
if (delete_hdc) DeleteDC(hdc);
@ -1081,15 +1073,10 @@ INT WINAPI GetDIBits(
/* Otherwise, get bits from the XImage */
else
{
if (!bmp->funcs && !BITMAP_SetOwnerDC( hbitmap, dc )) lines = 0;
else
{
if (bmp->funcs && bmp->funcs->pGetDIBits)
lines = bmp->funcs->pGetDIBits( dc->physDev, hbitmap, startscan,
lines, bits, info, coloruse );
else
lines = 0; /* FIXME: should copy from bmp->bitmap.bmBits */
}
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pGetDIBits );
if (!BITMAP_SetOwnerDC( hbitmap, physdev )) lines = 0;
else lines = physdev->funcs->pGetDIBits( physdev, hbitmap, startscan,
lines, bits, info, coloruse );
}
}
else lines = abs(height);
@ -1128,7 +1115,6 @@ HBITMAP WINAPI CreateDIBitmap( HDC hdc, const BITMAPINFOHEADER *header,
LONG height;
WORD planes, bpp;
DWORD compr, size;
DC *dc;
if (!header) return 0;
@ -1161,16 +1147,6 @@ HBITMAP WINAPI CreateDIBitmap( HDC hdc, const BITMAPINFOHEADER *header,
handle = 0;
}
}
else if (hdc && ((dc = get_dc_ptr( hdc )) != NULL) )
{
if (!BITMAP_SetOwnerDC( handle, dc ))
{
DeleteObject( handle );
handle = 0;
}
release_dc_ptr( dc );
}
}
return handle;

22
dlls/gdi32/driver.c
View File

@ -334,6 +334,16 @@ static BOOL CDECL nulldrv_Chord( PHYSDEV dev, INT left, INT top, INT right, INT
return TRUE;
}
static BOOL CDECL nulldrv_CreateBitmap( PHYSDEV dev, HBITMAP bitmap, LPVOID bits )
{
return TRUE;
}
static BOOL CDECL nulldrv_DeleteBitmap( HBITMAP bitmap )
{
return TRUE;
}
static BOOL CDECL nulldrv_DeleteObject( PHYSDEV dev, HGDIOBJ obj )
{
return TRUE;
@ -691,10 +701,10 @@ const DC_FUNCTIONS null_driver =
nulldrv_ChoosePixelFormat, /* pChoosePixelFormat */
nulldrv_Chord, /* pChord */
nulldrv_CloseFigure, /* pCloseFigure */
NULL, /* pCreateBitmap */
nulldrv_CreateBitmap, /* pCreateBitmap */
NULL, /* pCreateDC */
NULL, /* pCreateDIBSection */
NULL, /* pDeleteBitmap */
nulldrv_DeleteBitmap, /* pDeleteBitmap */
NULL, /* pDeleteDC */
nulldrv_DeleteObject, /* pDeleteObject */
nulldrv_DescribePixelFormat, /* pDescribePixelFormat */
@ -716,9 +726,9 @@ const DC_FUNCTIONS null_driver =
nulldrv_FlattenPath, /* pFlattenPath */
nulldrv_FrameRgn, /* pFrameRgn */
nulldrv_GdiComment, /* pGdiComment */
NULL, /* pGetBitmapBits */
nulldrv_GetBitmapBits, /* pGetBitmapBits */
NULL, /* pGetCharWidth */
NULL, /* pGetDIBits */
nulldrv_GetDIBits, /* pGetDIBits */
NULL, /* pGetDeviceCaps */
nulldrv_GetDeviceGammaRamp, /* pGetDeviceGammaRamp */
nulldrv_GetICMProfile, /* pGetICMProfile */
@ -763,13 +773,13 @@ const DC_FUNCTIONS null_driver =
nulldrv_SelectPalette, /* pSelectPalette */
nulldrv_SelectPen, /* pSelectPen */
nulldrv_SetArcDirection, /* pSetArcDirection */
NULL, /* pSetBitmapBits */
nulldrv_SetBitmapBits, /* pSetBitmapBits */
nulldrv_SetBkColor, /* pSetBkColor */
nulldrv_SetBkMode, /* pSetBkMode */
nulldrv_SetDCBrushColor, /* pSetDCBrushColor */
nulldrv_SetDCPenColor, /* pSetDCPenColor */
NULL, /* pSetDIBColorTable */
NULL, /* pSetDIBits */
nulldrv_SetDIBits, /* pSetDIBits */
NULL, /* pSetDIBitsToDevice */
nulldrv_SetDeviceClipping, /* pSetDeviceClipping */
nulldrv_SetDeviceGammaRamp, /* pSetDeviceGammaRamp */

6
dlls/gdi32/gdi_private.h
View File

@ -368,7 +368,7 @@ extern BOOL BIDI_Reorder( HDC hDC, LPCWSTR lpString, INT uCount, DWORD dwFlags,
/* bitmap.c */
extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap ) DECLSPEC_HIDDEN;
extern BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, DC *dc ) DECLSPEC_HIDDEN;
extern BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, PHYSDEV physdev ) DECLSPEC_HIDDEN;
extern INT BITMAP_GetWidthBytes( INT bmWidth, INT bpp ) DECLSPEC_HIDDEN;
/* clipping.c */
@ -526,6 +526,8 @@ extern BOOL CDECL nulldrv_FillPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_FillRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_FlattenPath( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_FrameRgn( PHYSDEV dev, HRGN rgn, HBRUSH brush, INT width, INT height ) DECLSPEC_HIDDEN;
extern LONG CDECL nulldrv_GetBitmapBits( HBITMAP bitmap, void *bits, LONG size ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_GetDIBits( PHYSDEV dev, HBITMAP bitmap, UINT start, UINT lines, LPVOID bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
extern COLORREF CDECL nulldrv_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_IntersectClipRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_InvertRgn( PHYSDEV dev, HRGN rgn ) DECLSPEC_HIDDEN;
@ -540,6 +542,8 @@ extern BOOL CDECL nulldrv_PolylineTo( PHYSDEV dev, const POINT *points, INT coun
extern BOOL CDECL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
extern LONG CDECL nulldrv_SetBitmapBits( HBITMAP bitmap, const void *bits, LONG size ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_SetDIBits( PHYSDEV dev, HBITMAP bitmap, UINT start, UINT lines, const void *bits, const BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
extern INT CDECL nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL CDECL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;