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   /* GDI logical bitmap object */
  13 typedef struct
  14 {
  15     GDIOBJHDR   header;
  16     BITMAP16    bitmap;
  17     Pixmap      pixmap;
  18     SIZE16      size;   /* For SetBitmapDimension() */
  19 } BITMAPOBJ;
  20
  21   /* GCs used for B&W and color bitmap operations */
  22 extern GC BITMAP_monoGC, BITMAP_colorGC;
  23
  24 #define BITMAP_GC(bmp) \
  25   (((bmp)->bitmap.bmBitsPixel == 1) ? BITMAP_monoGC : BITMAP_colorGC)
  26
  27 #define BITMAP_WIDTH_BYTES(width,bpp) \
  28     (((bpp) == 24) ? (width) * 4 : ((width) * (bpp) + 15) / 16 * 2)
  29
  30 #define XCREATEIMAGE(image,width,height,bpp) \
  31 { \
  32     int width_bytes = DIB_GetImageWidthBytes( (width), (bpp) ); \
  33     (image) = XCreateImage(display, DefaultVisualOfScreen(screen), \
  34                            (bpp), ZPixmap, 0, xmalloc( (height)*width_bytes ),\
  35                            (width), (height), 32, width_bytes ); \
  36 }
  37
  38   /* objects/bitmap.c */
  39 extern BOOL BITMAP_Init(void);
  40 extern INT16 BITMAP_GetObject16( BITMAPOBJ * bmp, INT16 count, LPVOID buffer );
  41 extern INT32 BITMAP_GetObject32( BITMAPOBJ * bmp, INT32 count, LPVOID buffer );
  42 extern BOOL BITMAP_DeleteObject( HBITMAP hbitmap, BITMAPOBJ * bitmap );
  43 extern HBITMAP BITMAP_SelectObject( DC * dc, HBITMAP hbitmap,
  44                                     BITMAPOBJ * bmp );
  45
  46   /* objects/dib.c */
  47 extern int DIB_GetImageWidthBytes( int width, int depth );
  48 extern int DIB_BitmapInfoSize( BITMAPINFO * info, WORD coloruse );
  49
  50   /* objects/oembitmap.c */
  51 extern HBITMAP OBM_LoadBitmap( WORD id );
  52 extern HANDLE OBM_LoadCursorIcon( WORD id, BOOL fCursor );
  53
  54 #endif  /* __WINE_BITMAP_H */