4 * Copyright 1993 Alexandre Julliard
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.
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.
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
28 #include <wine/wingdi16.h>
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
49 #define MAGIC_DONTCARE 0xffff
51 /* GDI constants for making objects private/system (naming undoc. !) */
52 #define OBJECT_PRIVATE 0x2000
53 #define OBJECT_NOSYSTEM 0x8000
55 #define GDIMAGIC(magic) ((magic) & ~(OBJECT_PRIVATE|OBJECT_NOSYSTEM))
60 typedef struct tagGDIOBJHDR
65 const struct gdi_obj_funcs
*funcs
;
66 struct hdc_list
*hdcs
;
70 /* It should not be necessary to access the contents of the GdiPath
71 * structure directly; if you find that the exported functions don't
72 * allow you to do what you want, then please place a new exported
73 * function that does this job in path.c.
75 typedef enum tagGdiPathState
82 typedef struct tagGdiPath
87 int numEntriesUsed
, numEntriesAllocated
;
91 typedef struct tagGdiFont
*GdiFont
;
93 typedef struct { int opaque
; } *PHYSDEV
; /* PHYSDEV is an opaque pointer */
98 HDC hSelf
; /* Handle to this DC */
99 const struct tagDC_FUNCS
*funcs
; /* DC function table */
100 PHYSDEV physDev
; /* Physical device (driver-specific) */
103 FARPROC16 hookProc
; /* the original SEGPTR ... */
104 DCHOOKPROC hookThunk
; /* ... and the thunk to call it */
106 INT wndOrgX
; /* Window origin */
108 INT wndExtX
; /* Window extent */
110 INT vportOrgX
; /* Viewport origin */
112 INT vportExtX
; /* Viewport extent */
116 HRGN hClipRgn
; /* Clip region (may be 0) */
117 HRGN hVisRgn
; /* Visible region (must never be 0) */
133 COLORREF backgroundColor
;
135 COLORREF dcBrushColor
;
140 WORD textAlign
; /* Text alignment from SetTextAlign() */
141 INT charExtra
; /* Spacing from SetTextCharacterExtra() */
142 INT breakCount
; /* Break char. count */
143 INT breakExtra
; /* breakTotalExtra / breakCount */
144 INT breakRem
; /* breakTotalExtra % breakCount */
146 INT GraphicsMode
; /* Graphics mode */
147 ABORTPROC pAbortProc
; /* AbortProc for Printing */
148 ABORTPROC16 pAbortProc16
;
149 INT CursPosX
; /* Current position */
152 XFORM xformWorld2Wnd
; /* World-to-window transformation */
153 XFORM xformWorld2Vport
; /* World-to-viewport transformation */
154 XFORM xformVport2World
; /* Inverse of the above transformation */
155 BOOL vport2WorldValid
; /* Is xformVport2World valid? */
158 /* extra stock object: default 1x1 bitmap for memory DCs */
159 #define DEFAULT_BITMAP (STOCK_LAST+1)
161 /* Rounds a floating point number to integer. The world-to-viewport
162 * transformation process is done in floating point internally. This function
163 * is then used to round these coordinates to integer values.
165 static inline INT WINE_UNUSED
GDI_ROUND(FLOAT val
)
167 return (int)floor(val
+ 0.5);
172 extern void *GDI_GetObjPtr( HGDIOBJ
, WORD
);
173 extern void GDI_ReleaseObj( HGDIOBJ
);
175 #define WINE_GGO_GRAY16_BITMAP 0x7f
177 #endif /* __WINE_GDI_H */