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 "ts_xshm.h"
  16
  17 typedef struct
  18 {
  19   XShmSegmentInfo       si;
  20   SEGPTR                bits;
  21 } __ShmBitmapCtl;
  22
  23 #endif
  24
  25   /* Additional info for DIB section objects */
  26 typedef struct
  27 {
  28     /* Windows DIB section */
  29     DIBSECTION  dibSection;
  30
  31     /* Mapping status */
  32     enum { DIB_NoHandler, DIB_InSync, DIB_AppMod, DIB_GdiMod } status;
  33
  34     /* Color map info */
  35     int         nColorMap;
  36     int        *colorMap;
  37
  38     /* Cached XImage */
  39     XImage     *image;
  40
  41 } DIBSECTIONOBJ;
  42
  43   /* GDI logical bitmap object */
  44 typedef struct
  45 {
  46     GDIOBJHDR   header;
  47     BITMAP16    bitmap;
  48     Pixmap      pixmap;
  49     SIZE16      size;   /* For SetBitmapDimension() */
  50
  51     /* For device-independent bitmaps: */
  52     DIBSECTIONOBJ *dib;
  53
  54 } BITMAPOBJ;
  55
  56   /* GCs used for B&W and color bitmap operations */
  57 extern GC BITMAP_monoGC, BITMAP_colorGC;
  58
  59 #define BITMAP_GC(bmp) \
  60   (((bmp)->bitmap.bmBitsPixel == 1) ? BITMAP_monoGC : BITMAP_colorGC)
  61
  62 #define BITMAP_WIDTH_BYTES(width,bpp) \
  63     (((bpp) == 24) ? (width) * 4 : ( ((bpp) == 15) ? (width) * 2 : \
  64                                     ((width) * (bpp) + 15) / 16 * 2 ))
  65
  66 #define XCREATEIMAGE(image,width,height,bpp) \
  67 { \
  68     int width_bytes = DIB_GetXImageWidthBytes( (width), (bpp) ); \
  69     (image) = TSXCreateImage(display, DefaultVisualOfScreen(screen), \
  70                            (bpp), ZPixmap, 0, xcalloc( (height)*width_bytes ),\
  71                            (width), (height), 32, width_bytes ); \
  72 }
  73
  74   /* objects/bitmap.c */
  75 extern BOOL32  BITMAP_Init(void);
  76 extern INT16   BITMAP_GetObject16( BITMAPOBJ * bmp, INT16 count, LPVOID buffer );
  77 extern INT32   BITMAP_GetObject32( BITMAPOBJ * bmp, INT32 count, LPVOID buffer );
  78 extern BOOL32  BITMAP_DeleteObject( HBITMAP16 hbitmap, BITMAPOBJ * bitmap );
  79 extern XImage *BITMAP_GetXImage( const BITMAPOBJ *bmp );
  80 extern INT32   BITMAP_GetBitsPadding( int width, int depth );
  81 extern INT32   BITMAP_GetBitsWidth( int width, int depth );
  82 extern HBITMAP32 BITMAP_LoadBitmap32W(HINSTANCE32 instance,LPCWSTR name,
  83   UINT32 loadflags);
  84
  85   /* objects/dib.c */
  86 extern int DIB_GetDIBWidthBytes( int width, int depth );
  87 extern int DIB_GetXImageWidthBytes( int width, int depth );
  88 extern int DIB_BitmapInfoSize( BITMAPINFO * info, WORD coloruse );
  89 extern void DIB_UpdateDIBSection( DC *dc, BOOL32 toDIB );
  90 extern void DIB_DeleteDIBSection( BITMAPOBJ *bmp );
  91 extern void DIB_SelectDIBSection( DC *dc, BITMAPOBJ *bmp );
  92 extern void DIB_FixColorsToLoadflags(BITMAPINFO * bmi, UINT32 loadflags,
  93   BYTE pix);
  94
  95   /* objects/oembitmap.c */
  96 extern BOOL32 OBM_Init(void);
  97 extern HBITMAP16 OBM_LoadBitmap( WORD id );
  98 extern HGLOBAL16 OBM_LoadCursorIcon( WORD id, BOOL32 fCursor );
  99
 100 #endif  /* __WINE_BITMAP_H */