include/gdi.h

   1 /*
   2  * GDI definitions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __WINE_GDI_H
  22 #define __WINE_GDI_H
  23
  24 #include <stdarg.h>
  25 #include <windef.h>
  26 #include <winbase.h>
  27 #include <wingdi.h>
  28 #include <wine/wingdi16.h>
  29 #include <math.h>
  30
  31   /* GDI objects magic numbers */
  32 #define FIRST_MAGIC           0x4f47
  33 #define PEN_MAGIC             0x4f47
  34 #define BRUSH_MAGIC           0x4f48
  35 #define FONT_MAGIC            0x4f49
  36 #define PALETTE_MAGIC         0x4f4a
  37 #define BITMAP_MAGIC          0x4f4b
  38 #define REGION_MAGIC          0x4f4c
  39 #define DC_MAGIC              0x4f4d
  40 #define DISABLED_DC_MAGIC     0x4f4e
  41 #define META_DC_MAGIC         0x4f4f
  42 #define METAFILE_MAGIC        0x4f50
  43 #define METAFILE_DC_MAGIC     0x4f51
  44 #define ENHMETAFILE_MAGIC     0x4f52
  45 #define ENHMETAFILE_DC_MAGIC  0x4f53
  46 #define MEMORY_DC_MAGIC       0x4f54
  47 #define LAST_MAGIC            0x4f54
  48
  49 #define MAGIC_DONTCARE        0xffff
  50
  51 /* GDI constants for making objects private/system (naming undoc. !) */
  52 #define OBJECT_PRIVATE        0x2000
  53 #define OBJECT_NOSYSTEM       0x8000
  54
  55 #define GDIMAGIC(magic) ((magic) & ~(OBJECT_PRIVATE|OBJECT_NOSYSTEM))
  56
  57 struct gdi_obj_funcs;
  58 struct hdc_list;
  59
  60 typedef struct tagGDIOBJHDR
  61 {
  62     HANDLE16    hNext;
  63     WORD        wMagic;
  64     DWORD       dwCount;
  65     const struct gdi_obj_funcs *funcs;
  66     struct hdc_list *hdcs;
  67 } GDIOBJHDR;
  68
  69 /* extra stock object: default 1x1 bitmap for memory DCs */
  70 #define DEFAULT_BITMAP (STOCK_LAST+1)
  71
  72 /* bitmap object */
  73
  74 typedef struct tagBITMAPOBJ
  75 {
  76     GDIOBJHDR   header;
  77     BITMAP      bitmap;
  78     SIZE        size;   /* For SetBitmapDimension() */
  79     const struct tagDC_FUNCS *funcs; /* DC function table */
  80     void        *physBitmap; /* ptr to device specific data */
  81     /* For device-independent bitmaps: */
  82     DIBSECTION *dib;
  83     SEGPTR      segptr_bits;  /* segptr to DIB bits */
  84 } BITMAPOBJ;
  85
  86 /* palette object */
  87
  88 #define NB_RESERVED_COLORS     20   /* number of fixed colors in system palette */
  89
  90 #define PC_SYS_USED            0x80 /* palentry is used (both system and logical) */
  91 #define PC_SYS_RESERVED        0x40 /* system palentry is not to be mapped to */
  92 #define PC_SYS_MAPPED          0x10 /* logical palentry is a direct alias for system palentry */
  93
  94 typedef struct tagPALETTEOBJ
  95 {
  96     GDIOBJHDR                    header;
  97     int                          *mapping;
  98     LOGPALETTE                   logpalette; /* _MUST_ be the last field */
  99 } PALETTEOBJ;
 100
 101   /* GDI local heap */
 102
 103 extern void *GDI_GetObjPtr( HGDIOBJ, WORD );
 104 extern void GDI_ReleaseObj( HGDIOBJ );
 105
 106 #define WINE_GGO_GRAY16_BITMAP 0x7f
 107
 108 #endif  /* __WINE_GDI_H */