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 #include "xmalloc.h"
  12
  13 #ifdef PRELIMINARY_WING16_SUPPORT
  14 /* FIXME: this doesn't belong here */
  15 #include <X11/extensions/XShm.h>
  16
  17 typedef struct
  18 {
  19   XShmSegmentInfo       si;
  20   SEGPTR                bits;
  21 } __ShmBitmapCtl;
  22
  23 #endif
  24
  25   /* GDI logical bitmap object */
  26 typedef struct
  27 {
  28     GDIOBJHDR   header;
  29     BITMAP16    bitmap;
  30     Pixmap      pixmap;
  31     SIZE16      size;   /* For SetBitmapDimension() */
  32 } BITMAPOBJ;
  33
  34   /* GCs used for B&W and color bitmap operations */
  35 extern GC BITMAP_monoGC, BITMAP_colorGC;
  36
  37 #define BITMAP_GC(bmp) \
  38   (((bmp)->bitmap.bmBitsPixel == 1) ? BITMAP_monoGC : BITMAP_colorGC)
  39
  40 #define BITMAP_WIDTH_BYTES(width,bpp) \
  41     (((bpp) == 24) ? (width) * 4 : ((width) * (bpp) + 15) / 16 * 2)
  42
  43 #define XCREATEIMAGE(image,width,height,bpp) \
  44 { \
  45     int width_bytes = DIB_GetXImageWidthBytes( (width), (bpp) ); \
  46     (image) = XCreateImage(display, DefaultVisualOfScreen(screen), \
  47                            (bpp), ZPixmap, 0, xmalloc( (height)*width_bytes ),\
  48                            (width), (height), 32, width_bytes ); \
  49 }
  50
  51   /* objects/bitmap.c */
  52 extern BOOL32 BITMAP_Init(void);
  53 extern INT16 BITMAP_GetObject16( BITMAPOBJ * bmp, INT16 count, LPVOID buffer );
  54 extern INT32 BITMAP_GetObject32( BITMAPOBJ * bmp, INT32 count, LPVOID buffer );
  55 extern BOOL32 BITMAP_DeleteObject( HBITMAP16 hbitmap, BITMAPOBJ * bitmap );
  56
  57   /* objects/dib.c */
  58 extern int DIB_GetDIBWidthBytes( int width, int depth );
  59 extern int DIB_GetXImageWidthBytes( int width, int depth );
  60 extern int DIB_BitmapInfoSize( BITMAPINFO * info, WORD coloruse );
  61
  62   /* objects/oembitmap.c */
  63 extern HBITMAP16 OBM_LoadBitmap( WORD id );
  64 extern HGLOBAL16 OBM_LoadCursorIcon( WORD id, BOOL32 fCursor );
  65
  66 #endif  /* __WINE_BITMAP_H */