source: trunk/include/win/gdi.h@ 21559

Last change on this file since 21559 was 8826, checked in by sandervl, 23 years ago

header updates
File size: 9.7 KB
Line 
1/*
2 * GDI definitions
3 *
4 * Copyright 1993 Alexandre Julliard
5 */
6
7#ifndef __WINE_GDI_H
8#define __WINE_GDI_H
9
10#include "windef.h"
11#include "wingdi.h"
12#include "ldt.h"
13#include "path.h"
14#include <math.h>
15#include "local.h"
16
17 /* GDI objects magic numbers */
18#define PEN_MAGIC 0x4f47
19#define BRUSH_MAGIC 0x4f48
20#define FONT_MAGIC 0x4f49
21#define PALETTE_MAGIC 0x4f4a
22#define BITMAP_MAGIC 0x4f4b
23#define REGION_MAGIC 0x4f4c
24#define DC_MAGIC 0x4f4d
25#define DISABLED_DC_MAGIC 0x4f4e
26#define META_DC_MAGIC 0x4f4f
27#define METAFILE_MAGIC 0x4f50
28#define METAFILE_DC_MAGIC 0x4f51
29#define ENHMETAFILE_MAGIC 0x4f52
30#define ENHMETAFILE_DC_MAGIC 0x4f53
31
32#define MAGIC_DONTCARE 0xffff
33
34typedef struct tagGDIOBJHDR
35{
36 HANDLE16 hNext;
37 WORD wMagic;
38 DWORD dwCount;
39} GDIOBJHDR;
40
41
42typedef struct tagDeviceCaps
43{
44 WORD version; /* 0: driver version */
45 WORD technology; /* 2: device technology */
46 WORD horzSize; /* 4: width of display in mm */
47 WORD vertSize; /* 6: height of display in mm */
48 WORD horzRes; /* 8: width of display in pixels */
49 WORD vertRes; /* 10: width of display in pixels */
50 WORD bitsPixel; /* 12: bits per pixel */
51 WORD planes; /* 14: color planes */
52 WORD numBrushes; /* 16: device-specific brushes */
53 WORD numPens; /* 18: device-specific pens */
54 WORD numMarkers; /* 20: device-specific markers */
55 WORD numFonts; /* 22: device-specific fonts */
56 WORD numColors; /* 24: size of color table */
57 WORD pdeviceSize; /* 26: size of PDEVICE structure */
58 WORD curveCaps; /* 28: curve capabilities */
59 WORD lineCaps; /* 30: line capabilities */
60 WORD polygonalCaps; /* 32: polygon capabilities */
61 WORD textCaps; /* 34: text capabilities */
62 WORD clipCaps; /* 36: clipping capabilities */
63 WORD rasterCaps; /* 38: raster capabilities */
64 WORD aspectX; /* 40: relative width of device pixel */
65 WORD aspectY; /* 42: relative height of device pixel */
66 WORD aspectXY; /* 44: relative diagonal width of device pixel */
67 WORD pad1[21]; /* 46-86: reserved */
68 WORD logPixelsX; /* 88: pixels / logical X inch */
69 WORD logPixelsY; /* 90: pixels / logical Y inch */
70 WORD pad2[6]; /* 92-102: reserved */
71 WORD sizePalette; /* 104: entries in system palette */
72 WORD numReserved; /* 106: reserved entries */
73 WORD colorRes; /* 108: color resolution */
74} DeviceCaps;
75
76typedef struct tagGDI_DRIVER
77{
78 BOOL (*pInitialize)(void);
79 void (*pFinalize)(void);
80} GDI_DRIVER;
81
82extern GDI_DRIVER *GDI_Driver;
83
84 /* Device independent DC information */
85typedef struct
86{
87 int flags;
88 const DeviceCaps *devCaps;
89
90 HRGN16 hClipRgn; /* Clip region (may be 0) */
91 HRGN16 hVisRgn; /* Visible region (must never be 0) */
92 HRGN16 hGCClipRgn; /* GC clip region (ClipRgn AND VisRgn) */
93 HPEN16 hPen;
94 HBRUSH16 hBrush;
95 HFONT16 hFont;
96 HBITMAP16 hBitmap;
97 HBITMAP16 hFirstBitmap; /* Bitmap selected at creation of the DC */
98 HANDLE16 hDevice;
99 HPALETTE16 hPalette;
100
101 GdiPath path;
102
103 WORD ROPmode;
104 WORD polyFillMode;
105 WORD stretchBltMode;
106 WORD relAbsMode;
107 WORD backgroundMode;
108 COLORREF backgroundColor;
109 COLORREF textColor;
110 short brushOrgX;
111 short brushOrgY;
112
113 WORD textAlign; /* Text alignment from SetTextAlign() */
114 short charExtra; /* Spacing from SetTextCharacterExtra() */
115 short breakTotalExtra; /* Total extra space for justification */
116 short breakCount; /* Break char. count */
117 short breakExtra; /* breakTotalExtra / breakCount */
118 short breakRem; /* breakTotalExtra % breakCount */
119
120 RECT totalExtent;
121 BYTE bitsPerPixel;
122
123 INT MapMode;
124 INT GraphicsMode; /* Graphics mode */
125 INT DCOrgX; /* DC origin */
126 INT DCOrgY;
127 FARPROC16 lpfnPrint; /* AbortProc for Printing */
128 INT CursPosX; /* Current position */
129 INT CursPosY;
130 INT ArcDirection;
131 XFORM xformWorld2Wnd; /* World-to-window transformation */
132 XFORM xformWorld2Vport; /* World-to-viewport transformation */
133 XFORM xformVport2World; /* Inverse of the above transformation */
134 BOOL vport2WorldValid; /* Is xformVport2World valid? */
135} WIN_DC_INFO;
136
137typedef struct tagDC
138{
139 GDIOBJHDR header;
140 HDC hSelf; /* Handle to this DC */
141 const struct tagDC_FUNCS *funcs; /* DC function table */
142 void *physDev; /* Physical device (driver-specific) */
143 INT saveLevel;
144 DWORD dwHookData;
145 FARPROC16 hookProc;
146
147 INT wndOrgX; /* Window origin */
148 INT wndOrgY;
149 INT wndExtX; /* Window extent */
150 INT wndExtY;
151 INT vportOrgX; /* Viewport origin */
152 INT vportOrgY;
153 INT vportExtX; /* Viewport extent */
154 INT vportExtY;
155
156 WIN_DC_INFO w;
157} DC;
158
159
160 /* LoadOEMResource types */
161#define OEM_BITMAP 1
162#define OEM_CURSOR 2
163#define OEM_ICON 3
164
165 /* DC hook codes */
166#define DCHC_INVALIDVISRGN 0x0001
167#define DCHC_DELETEDC 0x0002
168
169#define DCHF_INVALIDATEVISRGN 0x0001
170#define DCHF_VALIDATEVISRGN 0x0002
171
172 /* DC flags */
173#define DC_MEMORY 0x0001 /* It is a memory DC */
174#define DC_SAVED 0x0002 /* It is a saved DC */
175#define DC_DIRTY 0x0004 /* hVisRgn has to be updated */
176#define DC_THUNKHOOK 0x0008 /* DC hook is in the 16-bit code */
177
178 /* Last 32 bytes are reserved for stock object handles */
179#define GDI_HEAP_SIZE 0xffe0
180
181 /* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
182#define FIRST_STOCK_HANDLE GDI_HEAP_SIZE
183
184 /* Stock objects handles */
185
186#define NB_STOCK_OBJECTS (DEFAULT_GUI_FONT + 1)
187
188#define STOCK_WHITE_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+WHITE_BRUSH))
189#define STOCK_LTGRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+LTGRAY_BRUSH))
190#define STOCK_GRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+GRAY_BRUSH))
191#define STOCK_DKGRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+DKGRAY_BRUSH))
192#define STOCK_BLACK_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+BLACK_BRUSH))
193#define STOCK_NULL_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+NULL_BRUSH))
194#define STOCK_HOLLOW_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+HOLLOW_BRUSH))
195#define STOCK_WHITE_PEN ((HPEN16)(FIRST_STOCK_HANDLE+WHITE_PEN))
196#define STOCK_BLACK_PEN ((HPEN16)(FIRST_STOCK_HANDLE+BLACK_PEN))
197#define STOCK_NULL_PEN ((HPEN16)(FIRST_STOCK_HANDLE+NULL_PEN))
198#define STOCK_OEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+OEM_FIXED_FONT))
199#define STOCK_ANSI_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_FIXED_FONT))
200#define STOCK_ANSI_VAR_FONT ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_VAR_FONT))
201#define STOCK_SYSTEM_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FONT))
202#define STOCK_DEVICE_DEFAULT_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEVICE_DEFAULT_FONT))
203#define STOCK_DEFAULT_PALETTE ((HPALETTE16)(FIRST_STOCK_HANDLE+DEFAULT_PALETTE))
204#define STOCK_SYSTEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FIXED_FONT))
205#define STOCK_DEFAULT_GUI_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEFAULT_GUI_FONT))
206
207#define FIRST_STOCK_FONT STOCK_OEM_FIXED_FONT
208#define LAST_STOCK_FONT STOCK_DEFAULT_GUI_FONT
209
210#define LAST_STOCK_HANDLE ((DWORD)STOCK_DEFAULT_GUI_FONT)
211
212 /* Device <-> logical coords conversion */
213
214/* A floating point version of the POINT structure */
215typedef struct tagFLOAT_POINT
216{
217 FLOAT x, y;
218} FLOAT_POINT;
219
220
221#define XDPTOLP(dc,x) \
222 (((x)-(dc)->vportOrgX) * (dc)->wndExtX / (dc)->vportExtX+(dc)->wndOrgX)
223#define YDPTOLP(dc,y) \
224 (((y)-(dc)->vportOrgY) * (dc)->wndExtY / (dc)->vportExtY+(dc)->wndOrgY)
225#define XLPTODP(dc,x) \
226 (((x)-(dc)->wndOrgX) * (dc)->vportExtX / (dc)->wndExtX+(dc)->vportOrgX)
227#define YLPTODP(dc,y) \
228 (((y)-(dc)->wndOrgY) * (dc)->vportExtY / (dc)->wndExtY+(dc)->vportOrgY)
229
230 /* Device <-> logical size conversion */
231
232#define XDSTOLS(dc,x) \
233 ((x) * (dc)->wndExtX / (dc)->vportExtX)
234#define YDSTOLS(dc,y) \
235 ((y) * (dc)->wndExtY / (dc)->vportExtY)
236#define XLSTODS(dc,x) \
237 ((x) * (dc)->vportExtX / (dc)->wndExtX)
238#define YLSTODS(dc,y) \
239 ((y) * (dc)->vportExtY / (dc)->wndExtY)
240
241 /* GDI local heap */
242
243extern WORD GDI_HeapSel;
244
245#define GDI_HEAP_ALLOC(size) \
246 LOCAL_Alloc( GDI_HeapSel, LMEM_FIXED, (size) )
247#define GDI_HEAP_ALLOC_MOVEABLE(size) \
248 LOCAL_Alloc( GDI_HeapSel, LMEM_MOVEABLE, (size) )
249#define GDI_HEAP_REALLOC(handle,size) \
250 LOCAL_ReAlloc( GDI_HeapSel, (handle), (size), LMEM_FIXED )
251#define GDI_HEAP_FREE(handle) \
252 LOCAL_Free( GDI_HeapSel, (handle) )
253
254#define GDI_HEAP_LOCK(handle) \
255 LOCAL_Lock( GDI_HeapSel, (handle) )
256#define GDI_HEAP_LOCK_SEGPTR(handle) \
257 LOCAL_LockSegptr( GDI_HeapSel, (handle) )
258#define GDI_HEAP_UNLOCK(handle) \
259 ((((HGDIOBJ16)(handle) >= FIRST_STOCK_HANDLE) && \
260 ((HGDIOBJ16)(handle)<=LAST_STOCK_HANDLE)) ? \
261 0 : LOCAL_Unlock( GDI_HeapSel, (handle) ))
262
263extern GDIOBJHDR * GDI_GetObjPtr( HGDIOBJ16, WORD );
264
265VOID GDI_ReleaseObj(HANDLE hObject);
266BOOL GDI_FreeObject(HANDLE hObject, LPVOID lpObjectData);
267LPVOID GDI_AllocObject( int size, DWORD ulType, HANDLE *phObject );
268
269#endif /* __WINE_GDI_H */
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