include/bitmap.h

/*
 * 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 */