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 <X11/Xlib.h>
  11
  12 #include "gdi.h"
  13
  14   /* Additional info for DIB section objects */
  15 typedef struct
  16 {
  17     /* Windows DIB section */
  18     DIBSECTION  dibSection;
  19
  20     /* Mapping status */
  21     enum { DIB_NoHandler, DIB_InSync, DIB_AppMod, DIB_GdiMod } status;
  22
  23     /* Color map info */
  24     int         nColorMap;
  25     int        *colorMap;
  26
  27     /* Cached XImage */
  28     XImage     *image;
  29
  30     /* Selector for 16-bit access to bits */
  31     WORD selector;
  32
  33 } DIBSECTIONOBJ;
  34
  35 /* Flags used for BitmapBits. We only use the first two at the moment */
  36
  37 #define DDB_SET                 1
  38 #define DDB_GET                 2
  39 #define DDB_COPY                4
  40 #define DDB_SETWITHFILLER       8
  41
  42 typedef struct {
  43     const struct tagDC_FUNCS *funcs; /* DC function table */
  44     void         *physBitmap; /* ptr to device specific data */
  45 } DDBITMAP;
  46
  47   /* GDI logical bitmap object */
  48 typedef struct tagBITMAPOBJ
  49 {
  50     GDIOBJHDR   header;
  51     BITMAP    bitmap;
  52     SIZE      size;   /* For SetBitmapDimension() */
  53
  54     DDBITMAP    *DDBitmap;
  55
  56     /* For device-independent bitmaps: */
  57     DIBSECTIONOBJ *dib;
  58
  59 } BITMAPOBJ;
  60
  61   /* objects/bitmap.c */
  62 extern INT16   BITMAP_GetObject16( BITMAPOBJ * bmp, INT16 count, LPVOID buffer );
  63 extern INT   BITMAP_GetObject( BITMAPOBJ * bmp, INT count, LPVOID buffer );
  64 extern BOOL  BITMAP_DeleteObject( HBITMAP16 hbitmap, BITMAPOBJ * bitmap );
  65 extern INT   BITMAP_GetPadding( INT width, INT depth );
  66 extern INT   BITMAP_GetWidthBytes( INT width, INT depth );
  67 extern HBITMAP BITMAP_LoadBitmapW(HINSTANCE instance,LPCWSTR name,
  68   UINT loadflags);
  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_BitmapInfoSize( BITMAPINFO * info, WORD coloruse );
  74 extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, DWORD *width,
  75                               int *height, WORD *bpp, WORD *compr );
  76 extern void DIB_UpdateDIBSection( DC *dc, BOOL toDIB );
  77 extern void DIB_DeleteDIBSection( BITMAPOBJ *bmp );
  78 extern void DIB_SelectDIBSection( DC *dc, BITMAPOBJ *bmp );
  79 extern void DIB_FixColorsToLoadflags(BITMAPINFO * bmi, UINT loadflags,
  80   BYTE pix);
  81
  82 #endif  /* __WINE_BITMAP_H */