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 /* DIB Section sync state */
  22 enum { DIB_Status_None, DIB_Status_InSync, DIB_Status_GdiMod, DIB_Status_AppMod, DIB_Status_AuxMod };
  23
  24   /* GDI logical bitmap object */
  25 typedef struct tagBITMAPOBJ
  26 {
  27     GDIOBJHDR   header;
  28     BITMAP      bitmap;
  29     SIZE        size;   /* For SetBitmapDimension() */
  30     const struct tagDC_FUNCS *funcs; /* DC function table */
  31     void        *physBitmap; /* ptr to device specific data */
  32     /* For device-independent bitmaps: */
  33     DIBSECTION *dib;
  34     SEGPTR      segptr_bits;  /* segptr to DIB bits */
  35 } BITMAPOBJ;
  36
  37 typedef struct tagBITMAP_DRIVER
  38 {
  39   INT  (*pSetDIBits)(struct tagBITMAPOBJ *,struct tagDC *,UINT,UINT,LPCVOID,const BITMAPINFO *,UINT,HBITMAP);
  40   INT  (*pGetDIBits)(struct tagBITMAPOBJ *,struct tagDC *,UINT,UINT,LPVOID,BITMAPINFO *,UINT,HBITMAP);
  41   VOID (*pDeleteDIBSection)(struct tagBITMAPOBJ *);
  42   UINT (*pSetDIBColorTable)(struct tagBITMAPOBJ *,struct tagDC *,UINT,UINT,const RGBQUAD *);
  43   UINT (*pGetDIBColorTable)(struct tagBITMAPOBJ *,struct tagDC *,UINT,UINT,RGBQUAD *);
  44   INT  (*pLockDIB)(struct tagBITMAPOBJ *,INT,BOOL);
  45   VOID (*pUnlockDIB)(struct tagBITMAPOBJ *,BOOL);
  46 } BITMAP_DRIVER;
  47
  48 extern BITMAP_DRIVER *BITMAP_Driver;
  49
  50   /* objects/bitmap.c */
  51 extern INT16   BITMAP_GetObject16( BITMAPOBJ * bmp, INT16 count, LPVOID buffer );
  52 extern INT   BITMAP_GetObject( BITMAPOBJ * bmp, INT count, LPVOID buffer );
  53 extern BOOL  BITMAP_DeleteObject( HBITMAP16 hbitmap, BITMAPOBJ * bitmap );
  54 extern INT   BITMAP_GetWidthBytes( INT width, INT depth );
  55 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap );
  56
  57   /* objects/dib.c */
  58 extern int DIB_GetDIBWidthBytes( int width, int depth );
  59 extern int DIB_GetDIBImageBytes( int width, int height, int depth );
  60 extern int DIB_BitmapInfoSize( const BITMAPINFO * info, WORD coloruse );
  61 extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, DWORD *width,
  62                               int *height, WORD *bpp, WORD *compr );
  63 extern HBITMAP DIB_CreateDIBSection( HDC hdc, BITMAPINFO *bmi, UINT usage, LPVOID *bits,
  64                                      HANDLE section, DWORD offset, DWORD ovr_pitch );
  65 extern void DIB_UpdateDIBSection( DC *dc, BOOL toDIB );
  66 extern void DIB_DeleteDIBSection( BITMAPOBJ *bmp );
  67 extern void DIB_SelectDIBSection( DC *dc, BITMAPOBJ *bmp );
  68 extern HGLOBAL DIB_CreateDIBFromBitmap(HDC hdc, HBITMAP hBmp);
  69
  70 #endif  /* __WINE_BITMAP_H */