4 * Copyright 1993 Alexandre Julliard
14 #include "wine/wingdi16.h"
20 /* GDI objects magic numbers */
21 #define PEN_MAGIC 0x4f47
22 #define BRUSH_MAGIC 0x4f48
23 #define FONT_MAGIC 0x4f49
24 #define PALETTE_MAGIC 0x4f4a
25 #define BITMAP_MAGIC 0x4f4b
26 #define REGION_MAGIC 0x4f4c
27 #define DC_MAGIC 0x4f4d
28 #define DISABLED_DC_MAGIC 0x4f4e
29 #define META_DC_MAGIC 0x4f4f
30 #define METAFILE_MAGIC 0x4f50
31 #define METAFILE_DC_MAGIC 0x4f51
32 #define ENHMETAFILE_MAGIC 0x4f52
33 #define ENHMETAFILE_DC_MAGIC 0x4f53
35 #define MAGIC_DONTCARE 0xffff
37 typedef struct tagGDIOBJHDR
45 typedef struct tagDeviceCaps
47 WORD version
; /* 0: driver version */
48 WORD technology
; /* 2: device technology */
49 WORD horzSize
; /* 4: width of display in mm */
50 WORD vertSize
; /* 6: height of display in mm */
51 WORD horzRes
; /* 8: width of display in pixels */
52 WORD vertRes
; /* 10: width of display in pixels */
53 WORD bitsPixel
; /* 12: bits per pixel */
54 WORD planes
; /* 14: color planes */
55 WORD numBrushes
; /* 16: device-specific brushes */
56 WORD numPens
; /* 18: device-specific pens */
57 WORD numMarkers
; /* 20: device-specific markers */
58 WORD numFonts
; /* 22: device-specific fonts */
59 WORD numColors
; /* 24: size of color table */
60 WORD pdeviceSize
; /* 26: size of PDEVICE structure */
61 WORD curveCaps
; /* 28: curve capabilities */
62 WORD lineCaps
; /* 30: line capabilities */
63 WORD polygonalCaps
; /* 32: polygon capabilities */
64 WORD textCaps
; /* 34: text capabilities */
65 WORD clipCaps
; /* 36: clipping capabilities */
66 WORD rasterCaps
; /* 38: raster capabilities */
67 WORD aspectX
; /* 40: relative width of device pixel */
68 WORD aspectY
; /* 42: relative height of device pixel */
69 WORD aspectXY
; /* 44: relative diagonal width of device pixel */
70 WORD pad1
[21]; /* 46-86: reserved */
71 WORD logPixelsX
; /* 88: pixels / logical X inch */
72 WORD logPixelsY
; /* 90: pixels / logical Y inch */
73 WORD pad2
[6]; /* 92-102: reserved */
74 WORD sizePalette
; /* 104: entries in system palette */
75 WORD numReserved
; /* 106: reserved entries */
76 WORD colorRes
; /* 108: color resolution */
79 typedef struct tagGDI_DRIVER
81 BOOL (*pInitialize
)(void);
82 void (*pFinalize
)(void);
85 extern GDI_DRIVER
*GDI_Driver
;
87 /* Device independent DC information */
91 const DeviceCaps
*devCaps
;
93 HRGN16 hClipRgn
; /* Clip region (may be 0) */
94 HRGN16 hVisRgn
; /* Visible region (must never be 0) */
95 HRGN16 hGCClipRgn
; /* GC clip region (ClipRgn AND VisRgn) */
100 HBITMAP16 hFirstBitmap
; /* Bitmap selected at creation of the DC */
111 COLORREF backgroundColor
;
116 WORD textAlign
; /* Text alignment from SetTextAlign() */
117 short charExtra
; /* Spacing from SetTextCharacterExtra() */
118 short breakTotalExtra
; /* Total extra space for justification */
119 short breakCount
; /* Break char. count */
120 short breakExtra
; /* breakTotalExtra / breakCount */
121 short breakRem
; /* breakTotalExtra % breakCount */
127 INT GraphicsMode
; /* Graphics mode */
128 INT DCOrgX
; /* DC origin */
130 FARPROC16 lpfnPrint
; /* AbortProc for Printing */
131 INT CursPosX
; /* Current position */
134 XFORM xformWorld2Wnd
; /* World-to-window transformation */
135 XFORM xformWorld2Vport
; /* World-to-viewport transformation */
136 XFORM xformVport2World
; /* Inverse of the above transformation */
137 BOOL vport2WorldValid
; /* Is xformVport2World valid? */
143 HDC hSelf
; /* Handle to this DC */
144 const struct tagDC_FUNCS
*funcs
; /* DC function table */
145 void *physDev
; /* Physical device (driver-specific) */
150 INT wndOrgX
; /* Window origin */
152 INT wndExtX
; /* Window extent */
154 INT vportOrgX
; /* Viewport origin */
156 INT vportExtX
; /* Viewport extent */
162 /* Device functions for the Wine driver interface */
164 typedef INT (*DEVICEFONTENUMPROC
)(LPENUMLOGFONT16
,LPNEWTEXTMETRIC16
,UINT16
,LPARAM
);
166 typedef struct tagDC_FUNCS
168 INT (*pAbortDoc
)(DC
*);
169 BOOL (*pArc
)(DC
*,INT
,INT
,INT
,INT
,INT
,INT
,INT
,INT
);
170 BOOL (*pBitBlt
)(DC
*,INT
,INT
,INT
,INT
,DC
*,INT
,INT
,DWORD
);
171 LONG (*pBitmapBits
)(HBITMAP
,void*,LONG
,WORD
);
172 BOOL (*pChord
)(DC
*,INT
,INT
,INT
,INT
,INT
,INT
,INT
,INT
);
173 BOOL (*pCreateBitmap
)(HBITMAP
);
174 BOOL (*pCreateDC
)(DC
*,LPCSTR
,LPCSTR
,LPCSTR
,const DEVMODEA
*);
175 HBITMAP (*pCreateDIBSection
)(DC
*,BITMAPINFO
*,UINT
,LPVOID
*,HANDLE
,
177 HBITMAP16 (*pCreateDIBSection16
)(DC
*,BITMAPINFO
*,UINT16
,SEGPTR
*,HANDLE
,
179 BOOL (*pDeleteDC
)(DC
*);
180 BOOL (*pDeleteObject
)(HGDIOBJ
);
181 DWORD (*pDeviceCapabilities
)(LPCSTR
,LPCSTR
,WORD
,LPSTR
,LPDEVMODEA
);
182 BOOL (*pEllipse
)(DC
*,INT
,INT
,INT
,INT
);
184 INT (*pEndPage
)(DC
*);
185 BOOL (*pEnumDeviceFonts
)(DC
*,LPLOGFONT16
,DEVICEFONTENUMPROC
,LPARAM
);
186 INT (*pEscape
)(DC
*,INT
,INT
,SEGPTR
,SEGPTR
);
187 INT (*pExcludeClipRect
)(DC
*,INT
,INT
,INT
,INT
);
188 INT (*pExtDeviceMode
)(HWND
,LPDEVMODEA
,LPSTR
,LPSTR
,LPDEVMODEA
,LPSTR
,
190 BOOL (*pExtFloodFill
)(DC
*,INT
,INT
,COLORREF
,UINT
);
191 BOOL (*pExtTextOut
)(DC
*,INT
,INT
,UINT
,const RECT
*,LPCSTR
,UINT
,
193 BOOL (*pFillRgn
)(DC
*,HRGN
,HBRUSH
);
194 BOOL (*pFrameRgn
)(DC
*,HRGN
,HBRUSH
,INT
,INT
);
195 BOOL (*pGetCharWidth
)(DC
*,UINT
,UINT
,LPINT
);
196 COLORREF (*pGetPixel
)(DC
*,INT
,INT
);
197 BOOL (*pGetTextExtentPoint
)(DC
*,LPCSTR
,INT
,LPSIZE
);
198 BOOL (*pGetTextMetrics
)(DC
*,TEXTMETRICA
*);
199 INT (*pIntersectClipRect
)(DC
*,INT
,INT
,INT
,INT
);
200 BOOL (*pInvertRgn
)(DC
*,HRGN
);
201 BOOL (*pLineTo
)(DC
*,INT
,INT
);
202 HANDLE (*pLoadOEMResource
)(WORD
,WORD
);
203 BOOL (*pMoveToEx
)(DC
*,INT
,INT
,LPPOINT
);
204 INT (*pOffsetClipRgn
)(DC
*,INT
,INT
);
205 BOOL (*pOffsetViewportOrg
)(DC
*,INT
,INT
);
206 BOOL (*pOffsetWindowOrg
)(DC
*,INT
,INT
);
207 BOOL (*pPaintRgn
)(DC
*,HRGN
);
208 BOOL (*pPatBlt
)(DC
*,INT
,INT
,INT
,INT
,DWORD
);
209 BOOL (*pPie
)(DC
*,INT
,INT
,INT
,INT
,INT
,INT
,INT
,INT
);
210 BOOL (*pPolyPolygon
)(DC
*,const POINT
*,const INT
*,UINT
);
211 BOOL (*pPolyPolyline
)(DC
*,const POINT
*,const DWORD
*,DWORD
);
212 BOOL (*pPolygon
)(DC
*,const POINT
*,INT
);
213 BOOL (*pPolyline
)(DC
*,const POINT
*,INT
);
214 BOOL (*pPolyBezier
)(DC
*,POINT
, const POINT
*,DWORD
);
215 UINT (*pRealizePalette
)(DC
*);
216 BOOL (*pRectangle
)(DC
*,INT
,INT
,INT
,INT
);
217 BOOL (*pRestoreDC
)(DC
*,INT
);
218 BOOL (*pRoundRect
)(DC
*,INT
,INT
,INT
,INT
,INT
,INT
);
220 BOOL (*pScaleViewportExt
)(DC
*,INT
,INT
,INT
,INT
);
221 BOOL (*pScaleWindowExt
)(DC
*,INT
,INT
,INT
,INT
);
222 INT (*pSelectClipRgn
)(DC
*,HRGN
);
223 HANDLE (*pSelectObject
)(DC
*,HANDLE
);
224 HPALETTE (*pSelectPalette
)(DC
*,HPALETTE
,BOOL
);
225 COLORREF (*pSetBkColor
)(DC
*,COLORREF
);
226 INT (*pSetBkMode
)(DC
*,INT
);
227 VOID (*pSetDeviceClipping
)(DC
*);
228 INT (*pSetDIBitsToDevice
)(DC
*,INT
,INT
,DWORD
,DWORD
,INT
,INT
,UINT
,UINT
,
229 LPCVOID
,const BITMAPINFO
*,UINT
);
230 INT (*pSetMapMode
)(DC
*,INT
);
231 DWORD (*pSetMapperFlags
)(DC
*,DWORD
);
232 COLORREF (*pSetPixel
)(DC
*,INT
,INT
,COLORREF
);
233 INT (*pSetPolyFillMode
)(DC
*,INT
);
234 INT (*pSetROP2
)(DC
*,INT
);
235 INT (*pSetRelAbs
)(DC
*,INT
);
236 INT (*pSetStretchBltMode
)(DC
*,INT
);
237 UINT (*pSetTextAlign
)(DC
*,UINT
);
238 INT (*pSetTextCharacterExtra
)(DC
*,INT
);
239 DWORD (*pSetTextColor
)(DC
*,DWORD
);
240 INT (*pSetTextJustification
)(DC
*,INT
,INT
);
241 BOOL (*pSetViewportExt
)(DC
*,INT
,INT
);
242 BOOL (*pSetViewportOrg
)(DC
*,INT
,INT
);
243 BOOL (*pSetWindowExt
)(DC
*,INT
,INT
);
244 BOOL (*pSetWindowOrg
)(DC
*,INT
,INT
);
245 INT (*pStartDoc
)(DC
*,const DOCINFOA
*);
246 INT (*pStartPage
)(DC
*);
247 BOOL (*pStretchBlt
)(DC
*,INT
,INT
,INT
,INT
,DC
*,INT
,INT
,INT
,INT
,DWORD
);
248 INT (*pStretchDIBits
)(DC
*,INT
,INT
,INT
,INT
,INT
,INT
,INT
,INT
,
249 const void *,const BITMAPINFO
*,UINT
,DWORD
);
252 /* LoadOEMResource types */
258 #define DCHC_INVALIDVISRGN 0x0001
259 #define DCHC_DELETEDC 0x0002
261 #define DCHF_INVALIDATEVISRGN 0x0001
262 #define DCHF_VALIDATEVISRGN 0x0002
265 #define DC_MEMORY 0x0001 /* It is a memory DC */
266 #define DC_SAVED 0x0002 /* It is a saved DC */
267 #define DC_DIRTY 0x0004 /* hVisRgn has to be updated */
268 #define DC_THUNKHOOK 0x0008 /* DC hook is in the 16-bit code */
270 /* Last 32 bytes are reserved for stock object handles */
271 #define GDI_HEAP_SIZE 0xffe0
273 /* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
274 #define FIRST_STOCK_HANDLE GDI_HEAP_SIZE
276 /* Stock objects handles */
278 #define NB_STOCK_OBJECTS (DEFAULT_GUI_FONT + 1)
280 #define STOCK_WHITE_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+WHITE_BRUSH))
281 #define STOCK_LTGRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+LTGRAY_BRUSH))
282 #define STOCK_GRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+GRAY_BRUSH))
283 #define STOCK_DKGRAY_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+DKGRAY_BRUSH))
284 #define STOCK_BLACK_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+BLACK_BRUSH))
285 #define STOCK_NULL_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+NULL_BRUSH))
286 #define STOCK_HOLLOW_BRUSH ((HBRUSH16)(FIRST_STOCK_HANDLE+HOLLOW_BRUSH))
287 #define STOCK_WHITE_PEN ((HPEN16)(FIRST_STOCK_HANDLE+WHITE_PEN))
288 #define STOCK_BLACK_PEN ((HPEN16)(FIRST_STOCK_HANDLE+BLACK_PEN))
289 #define STOCK_NULL_PEN ((HPEN16)(FIRST_STOCK_HANDLE+NULL_PEN))
290 #define STOCK_OEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+OEM_FIXED_FONT))
291 #define STOCK_ANSI_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_FIXED_FONT))
292 #define STOCK_ANSI_VAR_FONT ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_VAR_FONT))
293 #define STOCK_SYSTEM_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FONT))
294 #define STOCK_DEVICE_DEFAULT_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEVICE_DEFAULT_FONT))
295 #define STOCK_DEFAULT_PALETTE ((HPALETTE16)(FIRST_STOCK_HANDLE+DEFAULT_PALETTE))
296 #define STOCK_SYSTEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FIXED_FONT))
297 #define STOCK_DEFAULT_GUI_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEFAULT_GUI_FONT))
299 #define FIRST_STOCK_FONT STOCK_OEM_FIXED_FONT
300 #define LAST_STOCK_FONT STOCK_DEFAULT_GUI_FONT
302 #define LAST_STOCK_HANDLE ((DWORD)STOCK_DEFAULT_GUI_FONT)
304 /* Device <-> logical coords conversion */
306 /* A floating point version of the POINT structure */
307 typedef struct tagFLOAT_POINT
312 /* Rounds a floating point number to integer. The world-to-viewport
313 * transformation process is done in floating point internally. This function
314 * is then used to round these coordinates to integer values.
316 static inline INT WINE_UNUSED
GDI_ROUND(FLOAT val
)
318 return (int)floor(val
+ 0.5);
321 /* Performs a viewport-to-world transformation on the specified point (which
322 * is in floating point format). Returns TRUE if successful, else FALSE.
324 static inline BOOL WINE_UNUSED
INTERNAL_DPTOLP_FLOAT(DC
*dc
, FLOAT_POINT
*point
)
328 /* Check that the viewport-to-world transformation is valid */
329 if (!dc
->w
.vport2WorldValid
)
332 /* Perform the transformation */
335 point
->x
= x
* dc
->w
.xformVport2World
.eM11
+
336 y
* dc
->w
.xformVport2World
.eM21
+
337 dc
->w
.xformVport2World
.eDx
;
338 point
->y
= x
* dc
->w
.xformVport2World
.eM12
+
339 y
* dc
->w
.xformVport2World
.eM22
+
340 dc
->w
.xformVport2World
.eDy
;
345 /* Performs a viewport-to-world transformation on the specified point (which
346 * is in integer format). Returns TRUE if successful, else FALSE.
348 static inline BOOL WINE_UNUSED
INTERNAL_DPTOLP(DC
*dc
, LPPOINT point
)
350 FLOAT_POINT floatPoint
;
352 /* Perform operation with floating point */
353 floatPoint
.x
=(FLOAT
)point
->x
;
354 floatPoint
.y
=(FLOAT
)point
->y
;
355 if (!INTERNAL_DPTOLP_FLOAT(dc
, &floatPoint
))
358 /* Round to integers */
359 point
->x
= GDI_ROUND(floatPoint
.x
);
360 point
->y
= GDI_ROUND(floatPoint
.y
);
365 /* Performs a world-to-viewport transformation on the specified point (which
366 * is in floating point format).
368 static inline void WINE_UNUSED
INTERNAL_LPTODP_FLOAT(DC
*dc
, FLOAT_POINT
*point
)
372 /* Perform the transformation */
375 point
->x
= x
* dc
->w
.xformWorld2Vport
.eM11
+
376 y
* dc
->w
.xformWorld2Vport
.eM21
+
377 dc
->w
.xformWorld2Vport
.eDx
;
378 point
->y
= x
* dc
->w
.xformWorld2Vport
.eM12
+
379 y
* dc
->w
.xformWorld2Vport
.eM22
+
380 dc
->w
.xformWorld2Vport
.eDy
;
383 /* Performs a world-to-viewport transformation on the specified point (which
384 * is in integer format).
386 static inline void WINE_UNUSED
INTERNAL_LPTODP(DC
*dc
, LPPOINT point
)
388 FLOAT_POINT floatPoint
;
390 /* Perform operation with floating point */
391 floatPoint
.x
=(FLOAT
)point
->x
;
392 floatPoint
.y
=(FLOAT
)point
->y
;
393 INTERNAL_LPTODP_FLOAT(dc
, &floatPoint
);
395 /* Round to integers */
396 point
->x
= GDI_ROUND(floatPoint
.x
);
397 point
->y
= GDI_ROUND(floatPoint
.y
);
400 #define XDPTOLP(dc,x) \
401 (((x)-(dc)->vportOrgX) * (dc)->wndExtX / (dc)->vportExtX+(dc)->wndOrgX)
402 #define YDPTOLP(dc,y) \
403 (((y)-(dc)->vportOrgY) * (dc)->wndExtY / (dc)->vportExtY+(dc)->wndOrgY)
404 #define XLPTODP(dc,x) \
405 (((x)-(dc)->wndOrgX) * (dc)->vportExtX / (dc)->wndExtX+(dc)->vportOrgX)
406 #define YLPTODP(dc,y) \
407 (((y)-(dc)->wndOrgY) * (dc)->vportExtY / (dc)->wndExtY+(dc)->vportOrgY)
409 /* Device <-> logical size conversion */
411 #define XDSTOLS(dc,x) \
412 ((x) * (dc)->wndExtX / (dc)->vportExtX)
413 #define YDSTOLS(dc,y) \
414 ((y) * (dc)->wndExtY / (dc)->vportExtY)
415 #define XLSTODS(dc,x) \
416 ((x) * (dc)->vportExtX / (dc)->wndExtX)
417 #define YLSTODS(dc,y) \
418 ((y) * (dc)->vportExtY / (dc)->wndExtY)
422 extern WORD GDI_HeapSel
;
424 #define GDI_HEAP_ALLOC(size) \
425 LOCAL_Alloc( GDI_HeapSel, LMEM_FIXED, (size) )
426 #define GDI_HEAP_ALLOC_MOVEABLE(size) \
427 LOCAL_Alloc( GDI_HeapSel, LMEM_MOVEABLE, (size) )
428 #define GDI_HEAP_REALLOC(handle,size) \
429 LOCAL_ReAlloc( GDI_HeapSel, (handle), (size), LMEM_FIXED )
430 #define GDI_HEAP_FREE(handle) \
431 LOCAL_Free( GDI_HeapSel, (handle) )
433 #define GDI_HEAP_LOCK(handle) \
434 LOCAL_Lock( GDI_HeapSel, (handle) )
435 #define GDI_HEAP_LOCK_SEGPTR(handle) \
436 LOCAL_LockSegptr( GDI_HeapSel, (handle) )
437 #define GDI_HEAP_UNLOCK(handle) \
438 ((((HGDIOBJ16)(handle) >= FIRST_STOCK_HANDLE) && \
439 ((HGDIOBJ16)(handle)<=LAST_STOCK_HANDLE)) ? \
440 0 : LOCAL_Unlock( GDI_HeapSel, (handle) ))
442 extern BOOL
GDI_Init(void);
443 extern HGDIOBJ16
GDI_AllocObject( WORD
, WORD
);
444 extern BOOL
GDI_FreeObject( HGDIOBJ16
);
445 extern GDIOBJHDR
* GDI_GetObjPtr( HGDIOBJ16
, WORD
);
447 extern BOOL
DRIVER_RegisterDriver( LPCSTR name
, const DC_FUNCTIONS
*funcs
);
448 extern const DC_FUNCTIONS
*DRIVER_FindDriver( LPCSTR name
);
449 extern BOOL
DRIVER_UnregisterDriver( LPCSTR name
);
450 extern BOOL
DRIVER_GetDriverName( LPCSTR device
, LPSTR driver
, DWORD size
);
451 #endif /* __WINE_GDI_H */