4 * Copyright 1993 Alexandre Julliard
16 /* GDI objects magic numbers */
17 #define PEN_MAGIC 0x4f47
18 #define BRUSH_MAGIC 0x4f48
19 #define FONT_MAGIC 0x4f49
20 #define PALETTE_MAGIC 0x4f4a
21 #define BITMAP_MAGIC 0x4f4b
22 #define REGION_MAGIC 0x4f4c
23 #define DC_MAGIC 0x4f4d
24 #define DISABLED_DC_MAGIC 0x4f4e
25 #define META_DC_MAGIC 0x4f4f
26 #define METAFILE_MAGIC 0x4f50
27 #define METAFILE_DC_MAGIC 0x4f51
28 #define MAGIC_DONTCARE 0xffff
30 typedef struct tagGDIOBJHDR
46 #define OBJ_METAFILE 9
49 #define OBJ_ENHMETADC 12
50 #define OBJ_ENHMETAFILE 13
53 typedef struct tagDeviceCaps
55 WORD version; /* 0: driver version */
56 WORD technology; /* 2: device technology */
57 WORD horzSize; /* 4: width of display in mm */
58 WORD vertSize; /* 6: height of display in mm */
59 WORD horzRes; /* 8: width of display in pixels */
60 WORD vertRes; /* 10: width of display in pixels */
61 WORD bitsPixel; /* 12: bits per pixel */
62 WORD planes; /* 14: color planes */
63 WORD numBrushes; /* 16: device-specific brushes */
64 WORD numPens; /* 18: device-specific pens */
65 WORD numMarkers; /* 20: device-specific markers */
66 WORD numFonts; /* 22: device-specific fonts */
67 WORD numColors; /* 24: size of color table */
68 WORD pdeviceSize; /* 26: size of PDEVICE structure */
69 WORD curveCaps; /* 28: curve capabilities */
70 WORD lineCaps; /* 30: line capabilities */
71 WORD polygonalCaps; /* 32: polygon capabilities */
72 WORD textCaps; /* 34: text capabilities */
73 WORD clipCaps; /* 36: clipping capabilities */
74 WORD rasterCaps; /* 38: raster capabilities */
75 WORD aspectX; /* 40: relative width of device pixel */
76 WORD aspectY; /* 42: relative height of device pixel */
77 WORD aspectXY; /* 44: relative diagonal width of device pixel */
78 WORD pad1[21]; /* 46-86: reserved */
79 WORD logPixelsX; /* 88: pixels / logical X inch */
80 WORD logPixelsY; /* 90: pixels / logical Y inch */
81 WORD pad2[6]; /* 92-102: reserved */
82 WORD sizePalette; /* 104: entries in system palette */
83 WORD numReserved; /* 106: reserved entries */
84 WORD colorRes; /* 108: color resolution */
88 /* Device independent DC information */
92 const DeviceCaps *devCaps;
94 HRGN16 hClipRgn; /* Clip region (may be 0) */
95 HRGN16 hVisRgn; /* Visible region (must never be 0) */
96 HRGN16 hGCClipRgn; /* GC clip region (ClipRgn AND VisRgn) */
101 HBITMAP16 hFirstBitmap; /* Bitmap selected at creation of the DC */
112 COLORREF backgroundColor;
117 WORD textAlign; /* Text alignment from SetTextAlign() */
118 short charExtra; /* Spacing from SetTextCharacterExtra() */
119 short breakTotalExtra; /* Total extra space for justification */
120 short breakCount; /* Break char. count */
121 short breakExtra; /* breakTotalExtra / breakCount */
122 short breakRem; /* breakTotalExtra % breakCount */
128 INT32 GraphicsMode; /* Graphics mode */
129 INT32 DCOrgX; /* DC origin */
131 FARPROC16 lpfnPrint; /* AbortProc for Printing */
132 INT32 CursPosX; /* Current position */
135 XFORM xformWorld2Wnd; /* World-to-window transformation */
136 XFORM xformWorld2Vport; /* World-to-viewport transformation */
137 XFORM xformVport2World; /* Inverse of the above transformation */
138 BOOL32 vport2WorldValid; /* Is xformVport2World valid? */
144 HDC32 hSelf; /* Handle to this DC */
145 const struct tagDC_FUNCS *funcs; /* DC function table */
146 void *physDev; /* Physical device (driver-specific) */
151 INT32 wndOrgX; /* Window origin */
153 INT32 wndExtX; /* Window extent */
155 INT32 vportOrgX; /* Viewport origin */
157 INT32 vportExtX; /* Viewport extent */
163 /* Device functions for the Wine driver interface */
165 typedef INT32 (*DEVICEFONTENUMPROC)(LPENUMLOGFONT16,LPNEWTEXTMETRIC16,UINT16,LPARAM);
167 typedef struct tagDC_FUNCS
169 BOOL32 (*pArc)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32);
170 BOOL32 (*pBitBlt)(DC*,INT32,INT32,INT32,INT32,DC*,INT32,INT32,DWORD);
171 LONG (*pBitmapBits)(HBITMAP32,void*,LONG,WORD);
172 BOOL32 (*pChord)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32);
173 BOOL32 (*pCreateBitmap)(HBITMAP32);
174 BOOL32 (*pCreateDC)(DC*,LPCSTR,LPCSTR,LPCSTR,const DEVMODE16*);
175 BOOL32 (*pDeleteDC)(DC*);
176 BOOL32 (*pDeleteObject)(HGDIOBJ32);
177 BOOL32 (*pEllipse)(DC*,INT32,INT32,INT32,INT32);
178 BOOL32 (*pEnumDeviceFonts)(DC*,LPLOGFONT16,DEVICEFONTENUMPROC,LPARAM);
179 INT32 (*pEscape)(DC*,INT32,INT32,SEGPTR,SEGPTR);
180 INT32 (*pExcludeClipRect)(DC*,INT32,INT32,INT32,INT32);
181 INT32 (*pExcludeVisRect)(DC*,INT32,INT32,INT32,INT32);
182 BOOL32 (*pExtFloodFill)(DC*,INT32,INT32,COLORREF,UINT32);
183 BOOL32 (*pExtTextOut)(DC*,INT32,INT32,UINT32,const RECT32*,LPCSTR,UINT32,const INT32*);
184 BOOL32 (*pGetCharWidth)(DC*,UINT32,UINT32,LPINT32);
185 COLORREF (*pGetPixel)(DC*,INT32,INT32);
186 BOOL32 (*pGetTextExtentPoint)(DC*,LPCSTR,INT32,LPSIZE32);
187 BOOL32 (*pGetTextMetrics)(DC*,TEXTMETRIC32A*);
188 INT32 (*pIntersectClipRect)(DC*,INT32,INT32,INT32,INT32);
189 INT32 (*pIntersectVisRect)(DC*,INT32,INT32,INT32,INT32);
190 BOOL32 (*pLineTo)(DC*,INT32,INT32);
191 BOOL32 (*pMoveToEx)(DC*,INT32,INT32,LPPOINT32);
192 INT32 (*pOffsetClipRgn)(DC*,INT32,INT32);
193 BOOL32 (*pOffsetViewportOrg)(DC*,INT32,INT32);
194 BOOL32 (*pOffsetWindowOrg)(DC*,INT32,INT32);
195 BOOL32 (*pPaintRgn)(DC*,HRGN32);
196 BOOL32 (*pPatBlt)(DC*,INT32,INT32,INT32,INT32,DWORD);
197 BOOL32 (*pPie)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32);
198 BOOL32 (*pPolyPolygon)(DC*,const POINT32*,const INT32*,UINT32);
199 BOOL32 (*pPolyPolyline)(DC*,const POINT32*,const DWORD*,DWORD);
200 BOOL32 (*pPolygon)(DC*,const POINT32*,INT32);
201 BOOL32 (*pPolyline)(DC*,const POINT32*,INT32);
202 BOOL32 (*pPolyBezier)(DC*,POINT32, const POINT32*,DWORD);
203 UINT32 (*pRealizePalette)(DC*);
204 BOOL32 (*pRectangle)(DC*,INT32,INT32,INT32,INT32);
205 BOOL32 (*pRestoreDC)(DC*,INT32);
206 BOOL32 (*pRoundRect)(DC*,INT32,INT32,INT32,INT32,INT32,INT32);
207 INT32 (*pSaveDC)(DC*);
208 BOOL32 (*pScaleViewportExt)(DC*,INT32,INT32,INT32,INT32);
209 BOOL32 (*pScaleWindowExt)(DC*,INT32,INT32,INT32,INT32);
210 INT32 (*pSelectClipRgn)(DC*,HRGN32);
211 HANDLE32 (*pSelectObject)(DC*,HANDLE32);
212 HPALETTE32 (*pSelectPalette)(DC*,HPALETTE32,BOOL32);
213 COLORREF (*pSetBkColor)(DC*,COLORREF);
214 WORD (*pSetBkMode)(DC*,WORD);
215 VOID (*pSetDeviceClipping)(DC*);
216 INT32 (*pSetDIBitsToDevice)(DC*,INT32,INT32,DWORD,DWORD,INT32,INT32,UINT32,UINT32,LPCVOID,const BITMAPINFO*,UINT32);
217 INT32 (*pSetMapMode)(DC*,INT32);
218 DWORD (*pSetMapperFlags)(DC*,DWORD);
219 COLORREF (*pSetPixel)(DC*,INT32,INT32,COLORREF);
220 WORD (*pSetPolyFillMode)(DC*,WORD);
221 WORD (*pSetROP2)(DC*,WORD);
222 WORD (*pSetRelAbs)(DC*,WORD);
223 WORD (*pSetStretchBltMode)(DC*,WORD);
224 WORD (*pSetTextAlign)(DC*,WORD);
225 INT32 (*pSetTextCharacterExtra)(DC*,INT32);
226 DWORD (*pSetTextColor)(DC*,DWORD);
227 INT32 (*pSetTextJustification)(DC*,INT32,INT32);
228 BOOL32 (*pSetViewportExt)(DC*,INT32,INT32);
229 BOOL32 (*pSetViewportOrg)(DC*,INT32,INT32);
230 BOOL32 (*pSetWindowExt)(DC*,INT32,INT32);
231 BOOL32 (*pSetWindowOrg)(DC*,INT32,INT32);
232 BOOL32 (*pStretchBlt)(DC*,INT32,INT32,INT32,INT32,DC*,INT32,INT32,INT32,INT32,DWORD);
233 INT32 (*pStretchDIBits)(DC*,INT32,INT32,INT32,INT32,INT32,INT32,INT32,INT32,const void *,const BITMAPINFO *,UINT32,DWORD);
237 #define DCHC_INVALIDVISRGN 0x0001
238 #define DCHC_DELETEDC 0x0002
240 #define DCHF_INVALIDATEVISRGN 0x0001
241 #define DCHF_VALIDATEVISRGN 0x0002
244 #define DC_MEMORY 0x0001 /* It is a memory DC */
245 #define DC_SAVED 0x0002 /* It is a saved DC */
246 #define DC_DIRTY 0x0004 /* hVisRgn has to be updated */
247 #define DC_THUNKHOOK 0x0008 /* DC hook is in the 16-bit code */
249 /* Last 32 bytes are reserved for stock object handles */
250 #define GDI_HEAP_SIZE 0xffe0
252 /* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
253 #define FIRST_STOCK_HANDLE GDI_HEAP_SIZE
255 /* Stock objects handles */
257 #define NB_STOCK_OBJECTS (DEFAULT_GUI_FONT + 1)
259 #define STOCK_WHITE_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+WHITE_BRUSH))
260 #define STOCK_LTGRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+LTGRAY_BRUSH))
261 #define STOCK_GRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+GRAY_BRUSH))
262 #define STOCK_DKGRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+DKGRAY_BRUSH))
263 #define STOCK_BLACK_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+BLACK_BRUSH))
264 #define STOCK_NULL_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+NULL_BRUSH))
265 #define STOCK_HOLLOW_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+HOLLOW_BRUSH))
266 #define STOCK_WHITE_PEN ((HPEN16)(FIRST_STOCK_HANDLE+WHITE_PEN))
267 #define STOCK_BLACK_PEN ((HPEN16)(FIRST_STOCK_HANDLE+BLACK_PEN))
268 #define STOCK_NULL_PEN ((HPEN16)(FIRST_STOCK_HANDLE+NULL_PEN))
269 #define STOCK_OEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+OEM_FIXED_FONT))
270 #define STOCK_ANSI_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_FIXED_FONT))
271 #define STOCK_ANSI_VAR_FONT ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_VAR_FONT))
272 #define STOCK_SYSTEM_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FONT))
273 #define STOCK_DEVICE_DEFAULT_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEVICE_DEFAULT_FONT))
274 #define STOCK_DEFAULT_PALETTE ((HPALETTE16)(FIRST_STOCK_HANDLE+DEFAULT_PALETTE))
275 #define STOCK_SYSTEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FIXED_FONT))
276 #define STOCK_DEFAULT_GUI_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEFAULT_GUI_FONT))
278 #define FIRST_STOCK_FONT STOCK_OEM_FIXED_FONT
279 #define LAST_STOCK_FONT STOCK_DEFAULT_GUI_FONT
281 #define LAST_STOCK_HANDLE ((DWORD)STOCK_DEFAULT_GUI_FONT)
283 /* Device <-> logical coords conversion */
285 /* A floating point version of the POINT structure */
286 typedef struct tagFLOAT_POINT
291 /* Rounds a floating point number to integer. The world-to-viewport
292 * transformation process is done in floating point internally. This function
293 * is then used to round these coordinates to integer values.
295 static __inline__ INT32 GDI_ROUND(FLOAT val)
297 return (int)floor(val + 0.5);
300 /* Performs a viewport-to-world transformation on the specified point (which
301 * is in floating point format). Returns TRUE if successful, else FALSE.
303 static __inline__ BOOL32 INTERNAL_DPTOLP_FLOAT(DC *dc, FLOAT_POINT *point)
307 /* Check that the viewport-to-world transformation is valid */
308 if (!dc->w.vport2WorldValid)
311 /* Perform the transformation */
314 point->x = x * dc->w.xformVport2World.eM11 +
315 y * dc->w.xformVport2World.eM21 +
316 dc->w.xformVport2World.eDx;
317 point->y = x * dc->w.xformVport2World.eM12 +
318 y * dc->w.xformVport2World.eM22 +
319 dc->w.xformVport2World.eDy;
324 /* Performs a viewport-to-world transformation on the specified point (which
325 * is in integer format). Returns TRUE if successful, else FALSE.
327 static __inline__ BOOL32 INTERNAL_DPTOLP(DC *dc, LPPOINT32 point)
329 FLOAT_POINT floatPoint;
331 /* Perform operation with floating point */
332 floatPoint.x=(FLOAT)point->x;
333 floatPoint.y=(FLOAT)point->y;
334 if (!INTERNAL_DPTOLP_FLOAT(dc, &floatPoint))
337 /* Round to integers */
338 point->x = GDI_ROUND(floatPoint.x);
339 point->y = GDI_ROUND(floatPoint.y);
344 /* Performs a world-to-viewport transformation on the specified point (which
345 * is in floating point format).
347 static __inline__ void INTERNAL_LPTODP_FLOAT(DC *dc, FLOAT_POINT *point)
351 /* Perform the transformation */
354 point->x = x * dc->w.xformWorld2Vport.eM11 +
355 y * dc->w.xformWorld2Vport.eM21 +
356 dc->w.xformWorld2Vport.eDx;
357 point->y = x * dc->w.xformWorld2Vport.eM12 +
358 y * dc->w.xformWorld2Vport.eM22 +
359 dc->w.xformWorld2Vport.eDy;
362 /* Performs a world-to-viewport transformation on the specified point (which
363 * is in integer format).
365 static __inline__ void INTERNAL_LPTODP(DC *dc, LPPOINT32 point)
367 FLOAT_POINT floatPoint;
369 /* Perform operation with floating point */
370 floatPoint.x=(FLOAT)point->x;
371 floatPoint.y=(FLOAT)point->y;
372 INTERNAL_LPTODP_FLOAT(dc, &floatPoint);
374 /* Round to integers */
375 point->x = GDI_ROUND(floatPoint.x);
376 point->y = GDI_ROUND(floatPoint.y);
379 #define XDPTOLP(dc,x) \
380 (((x)-(dc)->vportOrgX) * (dc)->wndExtX / (dc)->vportExtX+(dc)->wndOrgX)
381 #define YDPTOLP(dc,y) \
382 (((y)-(dc)->vportOrgY) * (dc)->wndExtY / (dc)->vportExtY+(dc)->wndOrgY)
383 #define XLPTODP(dc,x) \
384 (((x)-(dc)->wndOrgX) * (dc)->vportExtX / (dc)->wndExtX+(dc)->vportOrgX)
385 #define YLPTODP(dc,y) \
386 (((y)-(dc)->wndOrgY) * (dc)->vportExtY / (dc)->wndExtY+(dc)->vportOrgY)
388 /* Device <-> logical size conversion */
390 #define XDSTOLS(dc,x) \
391 ((x) * (dc)->wndExtX / (dc)->vportExtX)
392 #define YDSTOLS(dc,y) \
393 ((y) * (dc)->wndExtY / (dc)->vportExtY)
394 #define XLSTODS(dc,x) \
395 ((x) * (dc)->vportExtX / (dc)->wndExtX)
396 #define YLSTODS(dc,y) \
397 ((y) * (dc)->vportExtY / (dc)->wndExtY)
401 extern WORD GDI_HeapSel;
403 #define GDI_HEAP_ALLOC(size) \
404 LOCAL_Alloc( GDI_HeapSel, LMEM_FIXED, (size) )
405 #define GDI_HEAP_ALLOC_MOVEABLE(size) \
406 LOCAL_Alloc( GDI_HeapSel, LMEM_MOVEABLE, (size) )
407 #define GDI_HEAP_REALLOC(handle,size) \
408 LOCAL_ReAlloc( GDI_HeapSel, (handle), (size), LMEM_FIXED )
409 #define GDI_HEAP_FREE(handle) \
410 LOCAL_Free( GDI_HeapSel, (handle) )
412 #define GDI_HEAP_LOCK(handle) \
413 LOCAL_Lock( GDI_HeapSel, (handle) )
414 #define GDI_HEAP_LOCK_SEGPTR(handle) \
415 LOCAL_LockSegptr( GDI_HeapSel, (handle) )
416 #define GDI_HEAP_UNLOCK(handle) \
417 ((((HGDIOBJ16)(handle) >= FIRST_STOCK_HANDLE) && \
418 ((HGDIOBJ16)(handle)<=LAST_STOCK_HANDLE)) ? \
419 0 : LOCAL_Unlock( GDI_HeapSel, (handle) ))
421 extern BOOL32 GDI_Init(void);
422 extern HGDIOBJ16 GDI_AllocObject( WORD, WORD );
423 extern BOOL32 GDI_FreeObject( HGDIOBJ16 );
424 extern GDIOBJHDR * GDI_GetObjPtr( HGDIOBJ16, WORD );
426 extern BOOL32 DRIVER_RegisterDriver( LPCSTR name, const DC_FUNCTIONS *funcs );
427 extern const DC_FUNCTIONS *DRIVER_FindDriver( LPCSTR name );
428 extern BOOL32 DRIVER_UnregisterDriver( LPCSTR name );
430 #endif /* __WINE_GDI_H */