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
)
25 pebo
->BrushObject
.flColorType
= 0;
26 pebo
->BrushObject
.pvRbrush
= NULL
;
27 pebo
->pbrush
= pbrush
;
28 pebo
->pengbrush
= NULL
;
29 pebo
->flattrs
= pbrush
->flAttrs
;
31 /* Initialize 1 bpp fore and back colors */
32 pebo
->crCurrentBack
= pdc
->pdcattr
->crBackgroundClr
;
33 pebo
->crCurrentText
= pdc
->pdcattr
->crForegroundClr
;
35 pebo
->psurfTrg
= pdc
->dclevel
.pSurface
;
36 ASSERT(pebo
->psurfTrg
);
37 ASSERT(pebo
->psurfTrg
->ppal
);
39 pebo
->ppalSurf
= pebo
->psurfTrg
->ppal
;
40 GDIOBJ_IncrementShareCount(&pebo
->ppalSurf
->BaseObject
);
42 if (pbrush
->flAttrs
& GDIBRUSH_IS_NULL
)
44 /* NULL brushes don't need a color */
45 pebo
->BrushObject
.iSolidColor
= 0;
47 else if (pbrush
->flAttrs
& GDIBRUSH_IS_SOLID
)
49 /* Set the RGB color */
50 EBRUSHOBJ_vSetSolidBrushColor(pebo
, pbrush
->BrushAttr
.lbColor
);
54 /* This is a pattern brush that needs realization */
55 pebo
->BrushObject
.iSolidColor
= 0xFFFFFFFF;
57 /* Use foreground color of hatch brushes */
58 if (pbrush
->flAttrs
& GDIBRUSH_IS_HATCH
)
59 pebo
->crCurrentText
= pbrush
->BrushAttr
.lbColor
;
65 EBRUSHOBJ_vSetSolidBrushColor(EBRUSHOBJ
*pebo
, COLORREF crColor
)
70 /* Never use with non-solid brushes */
71 ASSERT(pebo
->flattrs
& GDIBRUSH_IS_SOLID
);
73 /* Set the RGB color */
74 pebo
->crRealize
= crColor
;
75 pebo
->ulRGBColor
= crColor
;
77 /* Initialize an XLATEOBJ RGB -> surface */
78 EXLATEOBJ_vInitialize(&exlo
,
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 PALETTE_ShareUnlockPalette(pebo
->ppalSurf
);
117 EBRUSHOBJ_vUpdate(EBRUSHOBJ
*pebo
, PBRUSH pbrush
, PDC pdc
)
119 /* Cleanup the brush */
120 EBRUSHOBJ_vCleanup(pebo
);
123 EBRUSHOBJ_vInit(pebo
, pbrush
, pdc
);
127 * This function is not exported, because it makes no sense for
128 * The driver to punt back to this function */
142 POINTL ptlSrc
= {0, 0};
146 /* Calculate width in bytes of the realized brush */
147 lWidth
= DIB_GetDIBWidthBytes(psoPattern
->sizlBitmap
.cx
,
148 BitsPerFormat(psoDst
->iBitmapFormat
));
150 /* Allocate a bitmap */
151 hbmpRealize
= EngCreateBitmap(psoPattern
->sizlBitmap
,
153 psoDst
->iBitmapFormat
,
161 /* Lock the bitmap */
162 psoRealize
= EngLockSurface(hbmpRealize
);
165 EngDeleteSurface(hbmpRealize
);
169 /* Copy the bits to the new format bitmap */
170 rclDest
.left
= rclDest
.top
= 0;
171 rclDest
.right
= psoPattern
->sizlBitmap
.cx
;
172 rclDest
.bottom
= psoPattern
->sizlBitmap
.cy
;
173 EngCopyBits(psoRealize
, psoPattern
, NULL
, pxlo
, &rclDest
, &ptlSrc
);
175 /* Unlock the bitmap again */
176 EngUnlockSurface(psoRealize
);
178 pebo
= CONTAINING_RECORD(pbo
, EBRUSHOBJ
, BrushObject
);
179 pebo
->pengbrush
= (PVOID
)hbmpRealize
;
186 EBRUSHOBJ_bRealizeBrush(EBRUSHOBJ
*pebo
, BOOL bCallDriver
)
189 PFN_DrvRealizeBrush pfnRealzizeBrush
= NULL
;
190 PSURFACE psurfPattern
, psurfMask
;
191 PPDEVOBJ ppdev
= NULL
;
194 /* All EBRUSHOBJs have a surface, see EBRUSHOBJ_vInit */
195 ASSERT(pebo
->psurfTrg
);
197 ppdev
= (PPDEVOBJ
)pebo
->psurfTrg
->SurfObj
.hdev
;
199 // FIXME: all SURFACEs need a PDEV
200 if (ppdev
&& bCallDriver
)
201 pfnRealzizeBrush
= ppdev
->DriverFunctions
.RealizeBrush
;
203 if (!pfnRealzizeBrush
)
204 pfnRealzizeBrush
= EngRealizeBrush
;
206 psurfPattern
= SURFACE_ShareLockSurface(pebo
->pbrush
->hbmPattern
);
207 ASSERT(psurfPattern
);
208 ASSERT(psurfPattern
->ppal
);
210 /* FIXME: implement mask */
213 /* Initialize XLATEOBJ for the brush */
214 EXLATEOBJ_vInitialize(&exlo
,
216 pebo
->psurfTrg
->ppal
,
219 pebo
->crCurrentText
);
221 /* Create the realization */
222 bResult
= pfnRealzizeBrush(&pebo
->BrushObject
,
223 &pebo
->psurfTrg
->SurfObj
,
224 &psurfPattern
->SurfObj
,
225 psurfMask
? &psurfMask
->SurfObj
: NULL
,
227 -1); // FIXME: what about hatch brushes?
229 /* Cleanup the XLATEOBJ */
230 EXLATEOBJ_vCleanup(&exlo
);
232 /* Unlock surfaces */
234 SURFACE_ShareUnlockSurface(psurfPattern
);
236 SURFACE_ShareUnlockSurface(psurfMask
);
243 EBRUSHOBJ_pvGetEngBrush(EBRUSHOBJ
*pebo
)
247 if (!pebo
->pengbrush
)
249 bResult
= EBRUSHOBJ_bRealizeBrush(pebo
, FALSE
);
253 EngDeleteSurface(pebo
->pengbrush
);
254 pebo
->pengbrush
= NULL
;
258 return pebo
->pengbrush
;
262 /** Exported DDI functions ****************************************************/
268 BRUSHOBJ_pvAllocRbrush(
272 pbo
->pvRbrush
= EngAllocMem(0, cj
, GDITAG_RBRUSH
);
273 return pbo
->pvRbrush
;
280 BRUSHOBJ_pvGetRbrush(
283 EBRUSHOBJ
*pebo
= CONTAINING_RECORD(pbo
, EBRUSHOBJ
, BrushObject
);
288 bResult
= EBRUSHOBJ_bRealizeBrush(pebo
, TRUE
);
293 EngFreeMem(pbo
->pvRbrush
);
294 pbo
->pvRbrush
= NULL
;
299 return pbo
->pvRbrush
;
306 BRUSHOBJ_ulGetBrushColor(
309 EBRUSHOBJ
*pebo
= CONTAINING_RECORD(pbo
, EBRUSHOBJ
, BrushObject
);
310 return pebo
->ulRGBColor
;