include/bitmap.h

   1 /*
   2  * GDI bitmap definitions
   3  *
   4  * Copyright 1993, 1994  Alexandre Julliard
   5  */
   6
   7 #ifndef __WINE_BITMAP_H
   8 #define __WINE_BITMAP_H
   9
  10 #include "gdi.h"
  11
  12 struct tagGDI_BITMAP_DRIVER;
  13
  14 /* Flags used for BitmapBits. We only use the first two at the moment */
  15
  16 #define DDB_SET                 1
  17 #define DDB_GET                 2
  18 #define DDB_COPY                4
  19 #define DDB_SETWITHFILLER       8
  20
  21   /* GDI logical bitmap object */
  22 typedef struct tagBITMAPOBJ
  23 {
  24     GDIOBJHDR   header;
  25     BITMAP      bitmap;
  26     SIZE        size;   /* For SetBitmapDimension() */
  27     const struct tagDC_FUNCS *funcs; /* DC function table */
  28     void        *physBitmap; /* ptr to device specific data */
  29     /* For device-independent bitmaps: */
  30     DIBSECTION *dib;
  31 } BITMAPOBJ;
  32
  33 typedef struct tagBITMAP_DRIVER
  34 {
  35   INT  (*pSetDIBits)(struct tagBITMAPOBJ *,struct tagDC *,UINT,UINT,LPCVOID,const BITMAPINFO *,UINT,HBITMAP);
  36   INT  (*pGetDIBits)(struct tagBITMAPOBJ *,struct tagDC *,UINT,UINT,LPVOID,BITMAPINFO *,UINT,HBITMAP);
  37   VOID (*pDeleteDIBSection)(struct tagBITMAPOBJ *);
  38 } BITMAP_DRIVER;
  39
  40 extern BITMAP_DRIVER *BITMAP_Driver;
  41
  42   /* objects/bitmap.c */
  43 extern INT16   BITMAP_GetObject16( BITMAPOBJ * bmp, INT16 count, LPVOID buffer );
  44 extern INT   BITMAP_GetObject( BITMAPOBJ * bmp, INT count, LPVOID buffer );
  45 extern BOOL  BITMAP_DeleteObject( HBITMAP16 hbitmap, BITMAPOBJ * bitmap );
  46 extern INT   BITMAP_GetWidthBytes( INT width, INT depth );
  47 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap );
  48
  49   /* objects/dib.c */
  50 extern int DIB_GetDIBWidthBytes( int width, int depth );
  51 extern int DIB_GetDIBImageBytes( int width, int height, int depth );
  52 extern int DIB_BitmapInfoSize( const BITMAPINFO * info, WORD coloruse );
  53 extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, DWORD *width,
  54                               int *height, WORD *bpp, WORD *compr );
  55 extern HBITMAP DIB_CreateDIBSection( HDC hdc, BITMAPINFO *bmi, UINT usage, LPVOID *bits,
  56                                      HANDLE section, DWORD offset, DWORD ovr_pitch );
  57 extern void DIB_UpdateDIBSection( DC *dc, BOOL toDIB );
  58 extern void DIB_DeleteDIBSection( BITMAPOBJ *bmp );
  59 extern void DIB_SelectDIBSection( DC *dc, BITMAPOBJ *bmp );
  60 extern HGLOBAL DIB_CreateDIBFromBitmap(HDC hdc, HBITMAP hBmp);
  61
  62 #endif  /* __WINE_BITMAP_H */