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 typedef struct {
  22     const struct tagDC_FUNCS *funcs; /* DC function table */
  23     void         *physBitmap; /* ptr to device specific data */
  24 } DDBITMAP;
  25
  26   /* GDI logical bitmap object */
  27 typedef struct tagBITMAPOBJ
  28 {
  29     GDIOBJHDR   header;
  30     BITMAP      bitmap;
  31     SIZE        size;   /* For SetBitmapDimension() */
  32
  33     DDBITMAP   *DDBitmap;
  34
  35     /* For device-independent bitmaps: */
  36     DIBSECTION *dib;
  37 } BITMAPOBJ;
  38
  39 typedef struct tagBITMAP_DRIVER
  40 {
  41   INT  (*pSetDIBits)(struct tagBITMAPOBJ *,struct tagDC *,UINT,UINT,LPCVOID,const BITMAPINFO *,UINT,HBITMAP);
  42   INT  (*pGetDIBits)(struct tagBITMAPOBJ *,struct tagDC *,UINT,UINT,LPVOID,BITMAPINFO *,UINT,HBITMAP);
  43   VOID (*pDeleteDIBSection)(struct tagBITMAPOBJ *);
  44 } BITMAP_DRIVER;
  45
  46 extern BITMAP_DRIVER *BITMAP_Driver;
  47
  48   /* objects/bitmap.c */
  49 extern INT16   BITMAP_GetObject16( BITMAPOBJ * bmp, INT16 count, LPVOID buffer );
  50 extern INT   BITMAP_GetObject( BITMAPOBJ * bmp, INT count, LPVOID buffer );
  51 extern BOOL  BITMAP_DeleteObject( HBITMAP16 hbitmap, BITMAPOBJ * bitmap );
  52 extern INT   BITMAP_GetWidthBytes( INT width, INT depth );
  53 extern HBITMAP BITMAP_Load( HINSTANCE instance, LPCWSTR name, UINT loadflags );
  54 extern HBITMAP BITMAP_CopyBitmap( HBITMAP hbitmap );
  55
  56   /* objects/dib.c */
  57 extern int DIB_GetDIBWidthBytes( int width, int depth );
  58 extern int DIB_GetDIBImageBytes( int width, int height, int depth );
  59 extern int DIB_BitmapInfoSize( const BITMAPINFO * info, WORD coloruse );
  60 extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, DWORD *width,
  61                               int *height, WORD *bpp, WORD *compr );
  62 extern void DIB_UpdateDIBSection( DC *dc, BOOL toDIB );
  63 extern void DIB_DeleteDIBSection( BITMAPOBJ *bmp );
  64 extern void DIB_SelectDIBSection( DC *dc, BITMAPOBJ *bmp );
  65 extern void DIB_FixColorsToLoadflags(BITMAPINFO * bmi, UINT loadflags,
  66   BYTE pix);
  67
  68 #endif  /* __WINE_BITMAP_H */