include/bitmap.h

   1 /*
   2  * GDI bitmap definitions
   3  *
   4  * Copyright 1993, 1994  Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __WINE_BITMAP_H
  22 #define __WINE_BITMAP_H
  23
  24 #include "gdi.h"
  25
  26 struct tagGDI_BITMAP_DRIVER;
  27
  28 /* Flags used for BitmapBits. We only use the first two at the moment */
  29
  30 #define DDB_SET                 1
  31 #define DDB_GET                 2
  32 #define DDB_COPY                4
  33 #define DDB_SETWITHFILLER       8
  34
  35 /* DIB Section sync state */
  36 enum { DIB_Status_None, DIB_Status_InSync, DIB_Status_GdiMod, DIB_Status_AppMod, DIB_Status_AuxMod };
  37
  38   /* GDI logical bitmap object */
  39 typedef struct tagBITMAPOBJ
  40 {
  41     GDIOBJHDR   header;
  42     BITMAP      bitmap;
  43     SIZE        size;   /* For SetBitmapDimension() */
  44     const struct tagDC_FUNCS *funcs; /* DC function table */
  45     void        *physBitmap; /* ptr to device specific data */
  46     /* For device-independent bitmaps: */
  47     DIBSECTION *dib;
  48     SEGPTR      segptr_bits;  /* segptr to DIB bits */
  49 } BITMAPOBJ;
  50
  51 typedef struct tagBITMAP_DRIVER
  52 {
  53   INT  (*pSetDIBits)(struct tagBITMAPOBJ *,struct tagDC *,UINT,UINT,LPCVOID,const BITMAPINFO *,UINT,HBITMAP);
  54   INT  (*pGetDIBits)(struct tagBITMAPOBJ *,struct tagDC *,UINT,UINT,LPVOID,BITMAPINFO *,UINT,HBITMAP);
  55   VOID (*pDeleteDIBSection)(struct tagBITMAPOBJ *);
  56   UINT (*pSetDIBColorTable)(struct tagBITMAPOBJ *,struct tagDC *,UINT,UINT,const RGBQUAD *);
  57   UINT (*pGetDIBColorTable)(struct tagBITMAPOBJ *,struct tagDC *,UINT,UINT,RGBQUAD *);
  58   INT  (*pLockDIB)(struct tagBITMAPOBJ *,INT,BOOL);
  59   VOID (*pUnlockDIB)(struct tagBITMAPOBJ *,BOOL);
  60 } BITMAP_DRIVER;
  61
  62 extern BITMAP_DRIVER *BITMAP_Driver;
  63
  64   /* objects/bitmap.c */
  65 extern INT16   BITMAP_GetObject16( BITMAPOBJ * bmp, INT16 count, LPVOID buffer );
  66 extern INT   BITMAP_GetObject( BITMAPOBJ * bmp, INT count, LPVOID buffer );
  67 extern BOOL  BITMAP_DeleteObject( HBITMAP16 hbitmap, BITMAPOBJ * bitmap );
  68 extern INT   BITMAP_GetWidthBytes( INT width, INT depth );
  69 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap );
  70
  71   /* objects/dib.c */
  72 extern int DIB_GetDIBWidthBytes( int width, int depth );
  73 extern int DIB_GetDIBImageBytes( int width, int height, int depth );
  74 extern int DIB_BitmapInfoSize( const BITMAPINFO * info, WORD coloruse );
  75 extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, DWORD *width,
  76                               int *height, WORD *bpp, WORD *compr );
  77 extern HBITMAP DIB_CreateDIBSection( HDC hdc, BITMAPINFO *bmi, UINT usage, LPVOID *bits,
  78                                      HANDLE section, DWORD offset, DWORD ovr_pitch );
  79 extern void DIB_UpdateDIBSection( DC *dc, BOOL toDIB );
  80 extern void DIB_DeleteDIBSection( BITMAPOBJ *bmp );
  81 extern void DIB_SelectDIBSection( DC *dc, BITMAPOBJ *bmp );
  82 extern HGLOBAL DIB_CreateDIBFromBitmap(HDC hdc, HBITMAP hBmp);
  83
  84 #endif  /* __WINE_BITMAP_H */