wine/include/bitmap.h
Alexandre Julliard d8a9244fc4 Added function table to GDI objects for better encapsulation.
Removed some direct accesses to the bitmap structure.
Fixed handling of stock bitmap if selected in multiple DCs.
Some minor fixes to the DC function table.
2002-05-31 18:43:22 +00:00

59 lines
2.3 KiB
C

/*
* GDI bitmap definitions
*
* Copyright 1993, 1994 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __WINE_BITMAP_H
#define __WINE_BITMAP_H
#include "gdi.h"
/* DIB Section sync state */
enum { DIB_Status_None, DIB_Status_InSync, DIB_Status_GdiMod, DIB_Status_AppMod, DIB_Status_AuxMod };
/* GDI logical bitmap object */
typedef struct tagBITMAPOBJ
{
GDIOBJHDR header;
BITMAP bitmap;
SIZE size; /* For SetBitmapDimension() */
const struct tagDC_FUNCS *funcs; /* DC function table */
void *physBitmap; /* ptr to device specific data */
/* For device-independent bitmaps: */
DIBSECTION *dib;
SEGPTR segptr_bits; /* segptr to DIB bits */
} BITMAPOBJ;
/* objects/bitmap.c */
extern INT BITMAP_GetWidthBytes( INT width, INT depth );
extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap );
extern BOOL BITMAP_SetOwnerDC( HBITMAP hbitmap, DC *dc );
/* objects/dib.c */
extern int DIB_GetDIBWidthBytes( int width, int depth );
extern int DIB_GetDIBImageBytes( int width, int height, int depth );
extern int DIB_BitmapInfoSize( const BITMAPINFO * info, WORD coloruse );
extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, DWORD *width,
int *height, WORD *bpp, WORD *compr );
extern HBITMAP DIB_CreateDIBSection( HDC hdc, BITMAPINFO *bmi, UINT usage, LPVOID *bits,
HANDLE section, DWORD offset, DWORD ovr_pitch );
extern void DIB_UpdateDIBSection( DC *dc, BOOL toDIB );
extern void DIB_SelectDIBSection( DC *dc, BITMAPOBJ *bmp );
extern HGLOBAL DIB_CreateDIBFromBitmap(HDC hdc, HBITMAP hBmp);
#endif /* __WINE_BITMAP_H */