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
26 #include "wine/wingdi16.h"
30 /* GDI objects magic numbers */
31 #define FIRST_MAGIC 0x4f47
32 #define PEN_MAGIC 0x4f47
33 #define BRUSH_MAGIC 0x4f48
34 #define FONT_MAGIC 0x4f49
35 #define PALETTE_MAGIC 0x4f4a
36 #define BITMAP_MAGIC 0x4f4b
37 #define REGION_MAGIC 0x4f4c
38 #define DC_MAGIC 0x4f4d
39 #define DISABLED_DC_MAGIC 0x4f4e
40 #define META_DC_MAGIC 0x4f4f
41 #define METAFILE_MAGIC 0x4f50
42 #define METAFILE_DC_MAGIC 0x4f51
43 #define ENHMETAFILE_MAGIC 0x4f52
44 #define ENHMETAFILE_DC_MAGIC 0x4f53
45 #define LAST_MAGIC 0x4f53
47 #define MAGIC_DONTCARE 0xffff
49 /* GDI constants for making objects private/system (naming undoc. !) */
50 #define OBJECT_PRIVATE 0x2000
51 #define OBJECT_NOSYSTEM 0x8000
53 #define GDIMAGIC(magic) ((magic) & ~(OBJECT_PRIVATE|OBJECT_NOSYSTEM))
57 HGDIOBJ (*pSelectObject
)( HGDIOBJ handle
, void *obj
, HDC hdc
);
58 INT (*pGetObject16
)( HGDIOBJ handle
, void *obj
, INT count
, LPVOID buffer
);
59 INT (*pGetObjectA
)( HGDIOBJ handle
, void *obj
, INT count
, LPVOID buffer
);
60 INT (*pGetObjectW
)( HGDIOBJ handle
, void *obj
, INT count
, LPVOID buffer
);
61 BOOL (*pUnrealizeObject
)( HGDIOBJ handle
, void *obj
);
62 BOOL (*pDeleteObject
)( HGDIOBJ handle
, void *obj
);
65 typedef struct tagGDIOBJHDR
70 const struct gdi_obj_funcs
*funcs
;
74 typedef struct tagGdiFont
*GdiFont
;
76 typedef struct { int opaque
; } *PHYSDEV
; /* PHYSDEV is an opaque pointer */
81 HDC hSelf
; /* Handle to this DC */
82 const struct tagDC_FUNCS
*funcs
; /* DC function table */
83 PHYSDEV physDev
; /* Physical device (driver-specific) */
86 FARPROC16 hookProc
; /* the original SEGPTR ... */
87 DCHOOKPROC hookThunk
; /* ... and the thunk to call it */
89 INT wndOrgX
; /* Window origin */
91 INT wndExtX
; /* Window extent */
93 INT vportOrgX
; /* Viewport origin */
95 INT vportExtX
; /* Viewport extent */
99 HRGN16 hClipRgn
; /* Clip region (may be 0) */
100 HRGN16 hVisRgn
; /* Visible region (must never be 0) */
101 HRGN16 hGCClipRgn
; /* GC clip region (ClipRgn AND VisRgn) */
117 COLORREF backgroundColor
;
122 WORD textAlign
; /* Text alignment from SetTextAlign() */
123 short charExtra
; /* Spacing from SetTextCharacterExtra() */
124 short breakTotalExtra
; /* Total extra space for justification */
125 short breakCount
; /* Break char. count */
126 short breakExtra
; /* breakTotalExtra / breakCount */
127 short breakRem
; /* breakTotalExtra % breakCount */
133 INT GraphicsMode
; /* Graphics mode */
134 INT DCOrgX
; /* DC origin */
136 ABORTPROC pAbortProc
; /* AbortProc for Printing */
137 ABORTPROC16 pAbortProc16
;
138 INT CursPosX
; /* Current position */
141 XFORM xformWorld2Wnd
; /* World-to-window transformation */
142 XFORM xformWorld2Vport
; /* World-to-viewport transformation */
143 XFORM xformVport2World
; /* Inverse of the above transformation */
144 BOOL vport2WorldValid
; /* Is xformVport2World valid? */
147 /* Device functions for the Wine driver interface */
149 typedef INT (*DEVICEFONTENUMPROC
)(LPENUMLOGFONTEXW
,LPNEWTEXTMETRICEXW
,DWORD
,
152 typedef struct tagDC_FUNCS
154 INT (*pAbortDoc
)(PHYSDEV
);
155 BOOL (*pAbortPath
)(PHYSDEV
);
156 BOOL (*pAngleArc
)(PHYSDEV
,INT
,INT
,DWORD
,FLOAT
,FLOAT
);
157 BOOL (*pArc
)(PHYSDEV
,INT
,INT
,INT
,INT
,INT
,INT
,INT
,INT
);
158 BOOL (*pArcTo
)(PHYSDEV
,INT
,INT
,INT
,INT
,INT
,INT
,INT
,INT
);
159 BOOL (*pBeginPath
)(PHYSDEV
);
160 BOOL (*pBitBlt
)(PHYSDEV
,INT
,INT
,INT
,INT
,PHYSDEV
,INT
,INT
,DWORD
);
161 INT (*pChoosePixelFormat
)(PHYSDEV
,const PIXELFORMATDESCRIPTOR
*);
162 BOOL (*pChord
)(PHYSDEV
,INT
,INT
,INT
,INT
,INT
,INT
,INT
,INT
);
163 BOOL (*pCloseFigure
)(PHYSDEV
);
164 BOOL (*pCreateBitmap
)(PHYSDEV
,HBITMAP
);
165 BOOL (*pCreateDC
)(DC
*,LPCSTR
,LPCSTR
,LPCSTR
,const DEVMODEA
*);
166 HBITMAP (*pCreateDIBSection
)(PHYSDEV
,BITMAPINFO
*,UINT
,LPVOID
*,HANDLE
,DWORD
,DWORD
);
167 BOOL (*pDeleteBitmap
)(HBITMAP
);
168 BOOL (*pDeleteDC
)(PHYSDEV
);
169 INT (*pDescribePixelFormat
)(PHYSDEV
,INT
,UINT
,PIXELFORMATDESCRIPTOR
*);
170 DWORD (*pDeviceCapabilities
)(LPSTR
,LPCSTR
,LPCSTR
,WORD
,LPSTR
,LPDEVMODEA
);
171 BOOL (*pEllipse
)(PHYSDEV
,INT
,INT
,INT
,INT
);
172 INT (*pEndDoc
)(PHYSDEV
);
173 INT (*pEndPage
)(PHYSDEV
);
174 BOOL (*pEndPath
)(PHYSDEV
);
175 BOOL (*pEnumDeviceFonts
)(PHYSDEV
,LPLOGFONTW
,DEVICEFONTENUMPROC
,LPARAM
);
176 INT (*pExcludeClipRect
)(PHYSDEV
,INT
,INT
,INT
,INT
);
177 INT (*pExtDeviceMode
)(LPSTR
,HWND
,LPDEVMODEA
,LPSTR
,LPSTR
,LPDEVMODEA
,LPSTR
,DWORD
);
178 INT (*pExtEscape
)(PHYSDEV
,INT
,INT
,LPCVOID
,INT
,LPVOID
);
179 BOOL (*pExtFloodFill
)(PHYSDEV
,INT
,INT
,COLORREF
,UINT
);
180 INT (*pExtSelectClipRgn
)(PHYSDEV
,HRGN
,INT
);
181 BOOL (*pExtTextOut
)(PHYSDEV
,INT
,INT
,UINT
,const RECT
*,LPCWSTR
,UINT
,const INT
*);
182 BOOL (*pFillPath
)(PHYSDEV
);
183 BOOL (*pFillRgn
)(PHYSDEV
,HRGN
,HBRUSH
);
184 BOOL (*pFlattenPath
)(PHYSDEV
);
185 BOOL (*pFrameRgn
)(PHYSDEV
,HRGN
,HBRUSH
,INT
,INT
);
186 LONG (*pGetBitmapBits
)(HBITMAP
,void*,LONG
);
187 BOOL (*pGetCharWidth
)(PHYSDEV
,UINT
,UINT
,LPINT
);
188 BOOL (*pGetDCOrgEx
)(PHYSDEV
,LPPOINT
);
189 UINT (*pGetDIBColorTable
)(PHYSDEV
,UINT
,UINT
,RGBQUAD
*);
190 INT (*pGetDIBits
)(PHYSDEV
,HBITMAP
,UINT
,UINT
,LPVOID
,BITMAPINFO
*,UINT
);
191 INT (*pGetDeviceCaps
)(PHYSDEV
,INT
);
192 BOOL (*pGetDeviceGammaRamp
)(PHYSDEV
,LPVOID
);
193 COLORREF (*pGetPixel
)(PHYSDEV
,INT
,INT
);
194 INT (*pGetPixelFormat
)(PHYSDEV
);
195 BOOL (*pGetTextExtentPoint
)(PHYSDEV
,LPCWSTR
,INT
,LPSIZE
);
196 BOOL (*pGetTextMetrics
)(PHYSDEV
,TEXTMETRICW
*);
197 INT (*pIntersectClipRect
)(PHYSDEV
,INT
,INT
,INT
,INT
);
198 BOOL (*pInvertRgn
)(PHYSDEV
,HRGN
);
199 BOOL (*pLineTo
)(PHYSDEV
,INT
,INT
);
200 BOOL (*pMoveTo
)(PHYSDEV
,INT
,INT
);
201 INT (*pOffsetClipRgn
)(PHYSDEV
,INT
,INT
);
202 BOOL (*pOffsetViewportOrg
)(PHYSDEV
,INT
,INT
);
203 BOOL (*pOffsetWindowOrg
)(PHYSDEV
,INT
,INT
);
204 BOOL (*pPaintRgn
)(PHYSDEV
,HRGN
);
205 BOOL (*pPatBlt
)(PHYSDEV
,INT
,INT
,INT
,INT
,DWORD
);
206 BOOL (*pPie
)(PHYSDEV
,INT
,INT
,INT
,INT
,INT
,INT
,INT
,INT
);
207 BOOL (*pPolyBezier
)(PHYSDEV
,const POINT
*,DWORD
);
208 BOOL (*pPolyBezierTo
)(PHYSDEV
,const POINT
*,DWORD
);
209 BOOL (*pPolyDraw
)(PHYSDEV
,const POINT
*,const BYTE
*,DWORD
);
210 BOOL (*pPolyPolygon
)(PHYSDEV
,const POINT
*,const INT
*,UINT
);
211 BOOL (*pPolyPolyline
)(PHYSDEV
,const POINT
*,const DWORD
*,DWORD
);
212 BOOL (*pPolygon
)(PHYSDEV
,const POINT
*,INT
);
213 BOOL (*pPolyline
)(PHYSDEV
,const POINT
*,INT
);
214 BOOL (*pPolylineTo
)(PHYSDEV
,const POINT
*,INT
);
215 UINT (*pRealizePalette
)(PHYSDEV
);
216 BOOL (*pRectangle
)(PHYSDEV
,INT
,INT
,INT
,INT
);
217 HDC (*pResetDC
)(PHYSDEV
,const DEVMODEA
*);
218 BOOL (*pRestoreDC
)(PHYSDEV
,INT
);
219 BOOL (*pRoundRect
)(PHYSDEV
,INT
,INT
,INT
,INT
,INT
,INT
);
220 INT (*pSaveDC
)(PHYSDEV
);
221 BOOL (*pScaleViewportExt
)(PHYSDEV
,INT
,INT
,INT
,INT
);
222 BOOL (*pScaleWindowExt
)(PHYSDEV
,INT
,INT
,INT
,INT
);
223 HBITMAP (*pSelectBitmap
)(PHYSDEV
,HBITMAP
);
224 HBRUSH (*pSelectBrush
)(PHYSDEV
,HBRUSH
);
225 BOOL (*pSelectClipPath
)(PHYSDEV
,INT
);
226 HFONT (*pSelectFont
)(PHYSDEV
,HFONT
);
227 HPALETTE (*pSelectPalette
)(PHYSDEV
,HPALETTE
,BOOL
);
228 HPEN (*pSelectPen
)(PHYSDEV
,HPEN
);
229 LONG (*pSetBitmapBits
)(HBITMAP
,const void*,LONG
);
230 COLORREF (*pSetBkColor
)(PHYSDEV
,COLORREF
);
231 INT (*pSetBkMode
)(PHYSDEV
,INT
);
232 UINT (*pSetDIBColorTable
)(PHYSDEV
,UINT
,UINT
,const RGBQUAD
*);
233 INT (*pSetDIBits
)(PHYSDEV
,HBITMAP
,UINT
,UINT
,LPCVOID
,const BITMAPINFO
*,UINT
);
234 INT (*pSetDIBitsToDevice
)(PHYSDEV
,INT
,INT
,DWORD
,DWORD
,INT
,INT
,UINT
,UINT
,LPCVOID
,
235 const BITMAPINFO
*,UINT
);
236 VOID (*pSetDeviceClipping
)(PHYSDEV
,HRGN
);
237 BOOL (*pSetDeviceGammaRamp
)(PHYSDEV
,LPVOID
);
238 INT (*pSetMapMode
)(PHYSDEV
,INT
);
239 DWORD (*pSetMapperFlags
)(PHYSDEV
,DWORD
);
240 COLORREF (*pSetPixel
)(PHYSDEV
,INT
,INT
,COLORREF
);
241 BOOL (*pSetPixelFormat
)(PHYSDEV
,INT
,const PIXELFORMATDESCRIPTOR
*);
242 INT (*pSetPolyFillMode
)(PHYSDEV
,INT
);
243 INT (*pSetROP2
)(PHYSDEV
,INT
);
244 INT (*pSetRelAbs
)(PHYSDEV
,INT
);
245 INT (*pSetStretchBltMode
)(PHYSDEV
,INT
);
246 UINT (*pSetTextAlign
)(PHYSDEV
,UINT
);
247 INT (*pSetTextCharacterExtra
)(PHYSDEV
,INT
);
248 DWORD (*pSetTextColor
)(PHYSDEV
,DWORD
);
249 INT (*pSetTextJustification
)(PHYSDEV
,INT
,INT
);
250 BOOL (*pSetViewportExt
)(PHYSDEV
,INT
,INT
);
251 BOOL (*pSetViewportOrg
)(PHYSDEV
,INT
,INT
);
252 BOOL (*pSetWindowExt
)(PHYSDEV
,INT
,INT
);
253 BOOL (*pSetWindowOrg
)(PHYSDEV
,INT
,INT
);
254 INT (*pStartDoc
)(PHYSDEV
,const DOCINFOA
*);
255 INT (*pStartPage
)(PHYSDEV
);
256 BOOL (*pStretchBlt
)(PHYSDEV
,INT
,INT
,INT
,INT
,PHYSDEV
,INT
,INT
,INT
,INT
,DWORD
);
257 INT (*pStretchDIBits
)(PHYSDEV
,INT
,INT
,INT
,INT
,INT
,INT
,INT
,INT
,const void *,
258 const BITMAPINFO
*,UINT
,DWORD
);
259 BOOL (*pStrokeAndFillPath
)(PHYSDEV
);
260 BOOL (*pStrokePath
)(PHYSDEV
);
261 BOOL (*pSwapBuffers
)(PHYSDEV
);
262 BOOL (*pWidenPath
)(PHYSDEV
);
266 #define DCHC_INVALIDVISRGN 0x0001
267 #define DCHC_DELETEDC 0x0002
269 #define DCHF_INVALIDATEVISRGN 0x0001
270 #define DCHF_VALIDATEVISRGN 0x0002
273 #define DC_MEMORY 0x0001 /* It is a memory DC */
274 #define DC_SAVED 0x0002 /* It is a saved DC */
275 #define DC_DIRTY 0x0004 /* hVisRgn has to be updated */
276 #define DC_THUNKHOOK 0x0008 /* DC hook is in the 16-bit code */
278 #define GDI_HEAP_SIZE 0xffe0
280 /* extra stock object: default 1x1 bitmap for memory DCs */
281 #define DEFAULT_BITMAP (STOCK_LAST+1)
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 INT WINE_UNUSED
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 BOOL WINE_UNUSED
INTERNAL_DPTOLP_FLOAT(DC
*dc
, FLOAT_POINT
*point
)
307 /* Check that the viewport-to-world transformation is valid */
308 if (!dc
->vport2WorldValid
)
311 /* Perform the transformation */
314 point
->x
= x
* dc
->xformVport2World
.eM11
+
315 y
* dc
->xformVport2World
.eM21
+
316 dc
->xformVport2World
.eDx
;
317 point
->y
= x
* dc
->xformVport2World
.eM12
+
318 y
* dc
->xformVport2World
.eM22
+
319 dc
->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 BOOL WINE_UNUSED
INTERNAL_DPTOLP(DC
*dc
, LPPOINT 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 WINE_UNUSED
INTERNAL_LPTODP_FLOAT(DC
*dc
, FLOAT_POINT
*point
)
351 /* Perform the transformation */
354 point
->x
= x
* dc
->xformWorld2Vport
.eM11
+
355 y
* dc
->xformWorld2Vport
.eM21
+
356 dc
->xformWorld2Vport
.eDx
;
357 point
->y
= x
* dc
->xformWorld2Vport
.eM12
+
358 y
* dc
->xformWorld2Vport
.eM22
+
359 dc
->xformWorld2Vport
.eDy
;
362 /* Performs a world-to-viewport transformation on the specified point (which
363 * is in integer format).
365 static inline void WINE_UNUSED
INTERNAL_LPTODP(DC
*dc
, LPPOINT 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
);
380 /* Performs a world-to-viewport transformation on the specified point (which
381 * is in integer format).
383 static inline INT WINE_UNUSED
INTERNAL_XWPTODP(DC
*dc
, INT x
, INT y
)
385 FLOAT_POINT floatPoint
;
387 /* Perform operation with floating point */
388 floatPoint
.x
=(FLOAT
)x
;
389 floatPoint
.y
=(FLOAT
)y
;
390 INTERNAL_LPTODP_FLOAT(dc
, &floatPoint
);
392 /* Round to integers */
393 return GDI_ROUND(floatPoint
.x
);
396 /* Performs a world-to-viewport transformation on the specified point (which
397 * is in integer format).
399 static inline INT WINE_UNUSED
INTERNAL_YWPTODP(DC
*dc
, INT x
, INT y
)
401 FLOAT_POINT floatPoint
;
403 /* Perform operation with floating point */
404 floatPoint
.x
=(FLOAT
)x
;
405 floatPoint
.y
=(FLOAT
)y
;
406 INTERNAL_LPTODP_FLOAT(dc
, &floatPoint
);
408 /* Round to integers */
409 return GDI_ROUND(floatPoint
.y
);
413 /* Performs a viewport-to-world transformation on the specified point (which
414 * is in integer format).
416 static inline INT WINE_UNUSED
INTERNAL_XDPTOWP(DC
*dc
, INT x
, INT y
)
418 FLOAT_POINT floatPoint
;
420 /* Perform operation with floating point */
421 floatPoint
.x
=(FLOAT
)x
;
422 floatPoint
.y
=(FLOAT
)y
;
423 INTERNAL_DPTOLP_FLOAT(dc
, &floatPoint
);
425 /* Round to integers */
426 return GDI_ROUND(floatPoint
.x
);
429 /* Performs a viewport-to-world transformation on the specified point (which
430 * is in integer format).
432 static inline INT WINE_UNUSED
INTERNAL_YDPTOWP(DC
*dc
, INT x
, INT y
)
434 FLOAT_POINT floatPoint
;
436 /* Perform operation with floating point */
437 floatPoint
.x
=(FLOAT
)x
;
438 floatPoint
.y
=(FLOAT
)y
;
439 INTERNAL_DPTOLP_FLOAT(dc
, &floatPoint
);
441 /* Round to integers */
442 return GDI_ROUND(floatPoint
.y
);
446 #define XDPTOLP(dc,x) \
447 (MulDiv(((x)-(dc)->vportOrgX), (dc)->wndExtX, (dc)->vportExtX) + (dc)->wndOrgX)
448 #define YDPTOLP(dc,y) \
449 (MulDiv(((y)-(dc)->vportOrgY), (dc)->wndExtY, (dc)->vportExtY) + (dc)->wndOrgY)
450 #define XLPTODP(dc,x) \
451 (MulDiv(((x)-(dc)->wndOrgX), (dc)->vportExtX, (dc)->wndExtX) + (dc)->vportOrgX)
452 #define YLPTODP(dc,y) \
453 (MulDiv(((y)-(dc)->wndOrgY), (dc)->vportExtY, (dc)->wndExtY) + (dc)->vportOrgY)
457 /* World -> Device size conversion */
459 /* Performs a world-to-viewport transformation on the specified width (which
460 * is in floating point format).
462 static inline void WINE_UNUSED
INTERNAL_XWSTODS_FLOAT(DC
*dc
, FLOAT
*width
)
464 /* Perform the transformation */
465 *width
= *width
* dc
->xformWorld2Vport
.eM11
;
468 /* Performs a world-to-viewport transformation on the specified width (which
469 * is in integer format).
471 static inline INT WINE_UNUSED
INTERNAL_XWSTODS(DC
*dc
, INT width
)
475 /* Perform operation with floating point */
476 floatWidth
= (FLOAT
)width
;
477 INTERNAL_XWSTODS_FLOAT(dc
, &floatWidth
);
479 /* Round to integers */
480 return GDI_ROUND(floatWidth
);
484 /* Performs a world-to-viewport transformation on the specified size (which
485 * is in floating point format).
487 static inline void WINE_UNUSED
INTERNAL_YWSTODS_FLOAT(DC
*dc
, FLOAT
*height
)
489 /* Perform the transformation */
490 *height
= *height
* dc
->xformWorld2Vport
.eM22
;
493 /* Performs a world-to-viewport transformation on the specified size (which
494 * is in integer format).
496 static inline INT WINE_UNUSED
INTERNAL_YWSTODS(DC
*dc
, INT height
)
500 /* Perform operation with floating point */
501 floatHeight
= (FLOAT
)height
;
502 INTERNAL_YWSTODS_FLOAT(dc
, &floatHeight
);
504 /* Round to integers */
505 return GDI_ROUND(floatHeight
);
509 /* Device -> World size conversion */
511 /* Performs a device to world transformation on the specified width (which
512 * is in floating point format).
514 static inline void INTERNAL_XDSTOWS_FLOAT(DC
*dc
, FLOAT
*width
)
516 /* Perform the transformation */
517 *width
= *width
* dc
->xformVport2World
.eM11
;
520 /* Performs a device to world transformation on the specified width (which
521 * is in integer format).
523 static inline INT
INTERNAL_XDSTOWS(DC
*dc
, INT width
)
527 /* Perform operation with floating point */
528 floatWidth
= (FLOAT
)width
;
529 INTERNAL_XDSTOWS_FLOAT(dc
, &floatWidth
);
531 /* Round to integers */
532 return GDI_ROUND(floatWidth
);
536 /* Performs a device to world transformation on the specified size (which
537 * is in floating point format).
539 static inline void INTERNAL_YDSTOWS_FLOAT(DC
*dc
, FLOAT
*height
)
541 /* Perform the transformation */
542 *height
= *height
* dc
->xformVport2World
.eM22
;
545 /* Performs a device to world transformation on the specified size (which
546 * is in integer format).
548 static inline INT
INTERNAL_YDSTOWS(DC
*dc
, INT height
)
552 /* Perform operation with floating point */
553 floatHeight
= (FLOAT
)height
;
554 INTERNAL_YDSTOWS_FLOAT(dc
, &floatHeight
);
556 /* Round to integers */
557 return GDI_ROUND(floatHeight
);
561 /* Device <-> logical size conversion */
563 #define XDSTOLS(dc,x) \
564 MulDiv((x), (dc)->wndExtX, (dc)->vportExtX)
565 #define YDSTOLS(dc,y) \
566 MulDiv((y), (dc)->wndExtY, (dc)->vportExtY)
567 #define XLSTODS(dc,x) \
568 MulDiv((x), (dc)->vportExtX, (dc)->wndExtX)
569 #define YLSTODS(dc,y) \
570 MulDiv((y), (dc)->vportExtY, (dc)->wndExtY)
574 extern BOOL
GDI_Init(void);
575 extern void *GDI_AllocObject( WORD
, WORD
, HGDIOBJ
*, const struct gdi_obj_funcs
*funcs
);
576 extern void *GDI_ReallocObject( WORD
, HGDIOBJ
, void *obj
);
577 extern BOOL
GDI_FreeObject( HGDIOBJ
, void *obj
);
578 extern void *GDI_GetObjPtr( HGDIOBJ
, WORD
);
579 extern void GDI_ReleaseObj( HGDIOBJ
);
580 extern void GDI_CheckNotLock(void);
582 extern const DC_FUNCTIONS
*DRIVER_load_driver( LPCSTR name
);
583 extern const DC_FUNCTIONS
*DRIVER_get_driver( const DC_FUNCTIONS
*funcs
);
584 extern void DRIVER_release_driver( const DC_FUNCTIONS
*funcs
);
585 extern BOOL
DRIVER_GetDriverName( LPCSTR device
, LPSTR driver
, DWORD size
);
587 extern POINT
*GDI_Bezier( const POINT
*Points
, INT count
, INT
*nPtsOut
);
589 extern DC
* DC_AllocDC( const DC_FUNCTIONS
*funcs
);
590 extern DC
* DC_GetDCPtr( HDC hdc
);
591 extern DC
* DC_GetDCUpdate( HDC hdc
);
592 extern void DC_InitDC( DC
* dc
);
593 extern void DC_UpdateXforms( DC
* dc
);
595 /* objects/clipping.c */
596 extern void CLIPPING_UpdateGCRegion( DC
* dc
);
598 /* objects/enhmetafile.c */
599 extern HENHMETAFILE
EMF_Create_HENHMETAFILE(ENHMETAHEADER
*emh
, BOOL on_disk
);
602 extern HRGN
REGION_CropRgn( HRGN hDst
, HRGN hSrc
, const RECT
*lpRect
, const POINT
*lpPt
);
603 extern BOOL
REGION_FrameRgn( HRGN dest
, HRGN src
, INT x
, INT y
);
605 #define WINE_GGO_GRAY16_BITMAP 0x7f
607 #endif /* __WINE_GDI_H */