2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS kernel
4 * PURPOSE: GDI Driver Brush Functions
5 * FILE: subsystem/win32/win32k/eng/engbrush.c
6 * PROGRAMER: Jason Filby
15 /** Internal functions ********************************************************/
19 EBRUSHOBJ_vInit(EBRUSHOBJ
*pebo
, PBRUSH pbrush
, PDC pdc
)
27 pebo
->BrushObject
.flColorType
= 0;
28 pebo
->BrushObject
.pvRbrush
= NULL
;
29 pebo
->pbrush
= pbrush
;
30 pebo
->pengbrush
= NULL
;
31 pebo
->flattrs
= pbrush
->flAttrs
;
33 /* Initialize 1 bpp fore and back colors */
34 pebo
->crCurrentBack
= pdc
->pdcattr
->crBackgroundClr
;
35 pebo
->crCurrentText
= pdc
->pdcattr
->crForegroundClr
;
37 pebo
->psurfTrg
= pdc
->dclevel
.pSurface
;
38 // ASSERT(pebo->psurfTrg); // FIXME: some dcs don't have a surface
41 hpal
= pebo
->psurfTrg
->hDIBPalette
;
42 if (!hpal
) hpal
= pPrimarySurface
->devinfo
.hpalDefault
;
43 pebo
->ppalSurf
= PALETTE_ShareLockPalette(hpal
);
45 pebo
->ppalSurf
= &gpalRGB
;
47 if (pbrush
->flAttrs
& GDIBRUSH_IS_NULL
)
49 /* NULL brushes don't need a color */
50 pebo
->BrushObject
.iSolidColor
= 0;
52 else if (pbrush
->flAttrs
& GDIBRUSH_IS_SOLID
)
54 /* Set the RGB color */
55 EBRUSHOBJ_vSetSolidBrushColor(pebo
, pbrush
->BrushAttr
.lbColor
);
59 /* This is a pattern brush that needs realization */
60 pebo
->BrushObject
.iSolidColor
= 0xFFFFFFFF;
62 /* Use foreground color of hatch brushes */
63 if (pbrush
->flAttrs
& GDIBRUSH_IS_HATCH
)
64 pebo
->crCurrentText
= pbrush
->BrushAttr
.lbColor
;
70 EBRUSHOBJ_vSetSolidBrushColor(EBRUSHOBJ
*pebo
, COLORREF crColor
)
75 /* Never use with non-solid brushes */
76 ASSERT(pebo
->flattrs
& GDIBRUSH_IS_SOLID
);
78 /* Set the RGB color */
79 pebo
->crRealize
= crColor
;
80 pebo
->ulRGBColor
= crColor
;
82 /* Initialize an XLATEOBJ RGB -> surface */
83 EXLATEOBJ_vInitialize(&exlo
, &gpalRGB
, pebo
->ppalSurf
, 0, 0, 0);
85 /* Translate the brush color to the target format */
86 iSolidColor
= XLATEOBJ_iXlate(&exlo
.xlo
, crColor
);
87 pebo
->BrushObject
.iSolidColor
= iSolidColor
;
89 /* Clean up the XLATEOBJ */
90 EXLATEOBJ_vCleanup(&exlo
);
95 EBRUSHOBJ_vCleanup(EBRUSHOBJ
*pebo
)
97 /* Check if there's a GDI realisation */
100 EngDeleteSurface(pebo
->pengbrush
);
101 pebo
->pengbrush
= NULL
;
104 /* Check if there's a driver's realisation */
105 if (pebo
->BrushObject
.pvRbrush
)
107 /* Free allocated driver memory */
108 EngFreeMem(pebo
->BrushObject
.pvRbrush
);
109 pebo
->BrushObject
.pvRbrush
= NULL
;
112 if (pebo
->ppalSurf
!= &gpalRGB
)
113 PALETTE_ShareUnlockPalette(pebo
->ppalSurf
);
118 EBRUSHOBJ_vUpdate(EBRUSHOBJ
*pebo
, PBRUSH pbrush
, PDC pdc
)
120 /* Cleanup the brush */
121 EBRUSHOBJ_vCleanup(pebo
);
124 EBRUSHOBJ_vInit(pebo
, pbrush
, pdc
);
128 * This function is not exported, because it makes no sense for
129 * The driver to punt back to this function */
143 POINTL ptlSrc
= {0, 0};
147 /* Calculate width in bytes of the realized brush */
148 lWidth
= DIB_GetDIBWidthBytes(psoPattern
->sizlBitmap
.cx
,
149 BitsPerFormat(psoDst
->iBitmapFormat
));
151 /* Allocate a bitmap */
152 hbmpRealize
= EngCreateBitmap(psoPattern
->sizlBitmap
,
154 psoDst
->iBitmapFormat
,
162 /* Lock the bitmap */
163 psoRealize
= EngLockSurface(hbmpRealize
);
166 EngDeleteSurface(hbmpRealize
);
170 /* Copy the bits to the new format bitmap */
171 rclDest
.left
= rclDest
.top
= 0;
172 rclDest
.right
= psoPattern
->sizlBitmap
.cx
;
173 rclDest
.bottom
= psoPattern
->sizlBitmap
.cy
;
174 EngCopyBits(psoRealize
, psoPattern
, NULL
, pxlo
, &rclDest
, &ptlSrc
);
176 /* Unlock the bitmap again */
177 EngUnlockSurface(psoRealize
);
179 pebo
= CONTAINING_RECORD(pbo
, EBRUSHOBJ
, BrushObject
);
180 pebo
->pengbrush
= (PVOID
)hbmpRealize
;
187 EBRUSHOBJ_bRealizeBrush(EBRUSHOBJ
*pebo
, BOOL bCallDriver
)
190 PFN_DrvRealizeBrush pfnRealzizeBrush
= NULL
;
191 PSURFACE psurfPattern
, psurfMask
;
192 PPDEVOBJ ppdev
= NULL
;
195 // FIXME: all EBRUSHOBJs need a surface, see EBRUSHOBJ_vInit
198 DPRINT1("Pattern brush has no target surface!\n");
202 ppdev
= (PPDEVOBJ
)pebo
->psurfTrg
->SurfObj
.hdev
;
204 // FIXME: all SURFACEs need a PDEV
205 if (ppdev
&& bCallDriver
)
206 pfnRealzizeBrush
= ppdev
->DriverFunctions
.RealizeBrush
;
208 if (!pfnRealzizeBrush
)
209 pfnRealzizeBrush
= EngRealizeBrush
;
211 psurfPattern
= SURFACE_ShareLockSurface(pebo
->pbrush
->hbmPattern
);
212 ASSERT(psurfPattern
);
214 /* FIXME: implement mask */
217 /* Initialize XLATEOBJ for the brush */
218 EXLATEOBJ_vInitBrushXlate(&exlo
,
222 pebo
->crCurrentBack
);
224 /* Create the realization */
225 bResult
= pfnRealzizeBrush(&pebo
->BrushObject
,
226 &pebo
->psurfTrg
->SurfObj
,
227 &psurfPattern
->SurfObj
,
228 psurfMask
? &psurfMask
->SurfObj
: NULL
,
230 -1); // FIXME: what about hatch brushes?
232 /* Cleanup the XLATEOBJ */
233 EXLATEOBJ_vCleanup(&exlo
);
235 /* Unlock surfaces */
237 SURFACE_ShareUnlockSurface(psurfPattern
);
239 SURFACE_ShareUnlockSurface(psurfMask
);
246 EBRUSHOBJ_pvGetEngBrush(EBRUSHOBJ
*pebo
)
250 if (!pebo
->pengbrush
)
252 bResult
= EBRUSHOBJ_bRealizeBrush(pebo
, FALSE
);
256 EngDeleteSurface(pebo
->pengbrush
);
257 pebo
->pengbrush
= NULL
;
261 return pebo
->pengbrush
;
265 /** Exported DDI functions ****************************************************/
271 BRUSHOBJ_pvAllocRbrush(
275 pbo
->pvRbrush
= EngAllocMem(0, cj
, GDITAG_RBRUSH
);
276 return pbo
->pvRbrush
;
283 BRUSHOBJ_pvGetRbrush(
286 EBRUSHOBJ
*pebo
= CONTAINING_RECORD(pbo
, EBRUSHOBJ
, BrushObject
);
291 bResult
= EBRUSHOBJ_bRealizeBrush(pebo
, TRUE
);
296 EngFreeMem(pbo
->pvRbrush
);
297 pbo
->pvRbrush
= NULL
;
302 return pbo
->pvRbrush
;
309 BRUSHOBJ_ulGetBrushColor(
312 EBRUSHOBJ
*pebo
= CONTAINING_RECORD(pbo
, EBRUSHOBJ
, BrushObject
);
313 return pebo
->ulRGBColor
;