1 // FIXME: Use PXLATEOBJ logicalToSystem instead of int *mapping
3 #undef WIN32_LEAN_AND_MEAN
6 #include <ddk/winddi.h>
8 #include <win32k/color.h>
9 #include "../eng/handle.h"
12 #include <win32k/debug1.h>
14 int COLOR_gapStart
= 256;
15 int COLOR_gapEnd
= -1;
16 int COLOR_gapFilled
= 0;
19 static HPALETTE hPrimaryPalette
= 0; // used for WM_PALETTECHANGED
20 static HPALETTE hLastRealizedPalette
= 0; // UnrealizeObject() needs it
22 const PALETTEENTRY COLOR_sysPalTemplate
[NB_RESERVED_COLORS
] =
24 // first 10 entries in the system palette
25 // red green blue flags
26 { 0x00, 0x00, 0x00, PC_SYS_USED
},
27 { 0x80, 0x00, 0x00, PC_SYS_USED
},
28 { 0x00, 0x80, 0x00, PC_SYS_USED
},
29 { 0x80, 0x80, 0x00, PC_SYS_USED
},
30 { 0x00, 0x00, 0x80, PC_SYS_USED
},
31 { 0x80, 0x00, 0x80, PC_SYS_USED
},
32 { 0x00, 0x80, 0x80, PC_SYS_USED
},
33 { 0xc0, 0xc0, 0xc0, PC_SYS_USED
},
34 { 0xc0, 0xdc, 0xc0, PC_SYS_USED
},
35 { 0xa6, 0xca, 0xf0, PC_SYS_USED
},
37 // ... c_min/2 dynamic colorcells
38 // ... gap (for sparse palettes)
39 // ... c_min/2 dynamic colorcells
41 { 0xff, 0xfb, 0xf0, PC_SYS_USED
},
42 { 0xa0, 0xa0, 0xa4, PC_SYS_USED
},
43 { 0x80, 0x80, 0x80, PC_SYS_USED
},
44 { 0xff, 0x00, 0x00, PC_SYS_USED
},
45 { 0x00, 0xff, 0x00, PC_SYS_USED
},
46 { 0xff, 0xff, 0x00, PC_SYS_USED
},
47 { 0x00, 0x00, 0xff, PC_SYS_USED
},
48 { 0xff, 0x00, 0xff, PC_SYS_USED
},
49 { 0x00, 0xff, 0xff, PC_SYS_USED
},
50 { 0xff, 0xff, 0xff, PC_SYS_USED
} // last 10
53 //forward declarations
54 COLORREF
COLOR_LookupNearestColor( PALETTEENTRY
* palPalEntry
, int size
, COLORREF color
);
57 const PALETTEENTRY
* COLOR_GetSystemPaletteTemplate(void)
59 return (const PALETTEENTRY
*)&COLOR_sysPalTemplate
;
62 BOOL STDCALL
W32kAnimatePalette(HPALETTE hpal
,
65 CONST PPALETTEENTRY ppe
)
68 if( hPal != W32kGetStockObject(DEFAULT_PALETTE) )
70 PALETTEOBJ* palPtr = (PALETTEOBJ *)GDI_GetObjPtr(hPal, PALETTE_MAGIC);
71 if (!palPtr) return FALSE;
73 if( (StartIndex + NumEntries) <= palPtr->logpalette.palNumEntries )
76 for( u = 0; u < NumEntries; u++ )
77 palPtr->logpalette.palPalEntry[u + StartIndex] = PaletteColors[u];
78 PALETTE_Driver->pSetMapping(palPtr, StartIndex, NumEntries, hPal != hPrimaryPalette );
89 HPALETTE STDCALL
W32kCreateHalftonePalette(HDC hDC
)
95 PALETTEENTRY aEntries
[256];
98 Palette
.Version
= 0x300;
99 Palette
.NumberOfEntries
= 256;
100 W32kGetSystemPaletteEntries(hDC
, 0, 256, Palette
.aEntries
);
102 for (r
= 0; r
< 6; r
++) {
103 for (g
= 0; g
< 6; g
++) {
104 for (b
= 0; b
< 6; b
++) {
105 i
= r
+ g
*6 + b
*36 + 10;
106 Palette
.aEntries
[i
].peRed
= r
* 51;
107 Palette
.aEntries
[i
].peGreen
= g
* 51;
108 Palette
.aEntries
[i
].peBlue
= b
* 51;
113 for (i
= 216; i
< 246; i
++) {
114 int v
= (i
- 216) * 8;
115 Palette
.aEntries
[i
].peRed
= v
;
116 Palette
.aEntries
[i
].peGreen
= v
;
117 Palette
.aEntries
[i
].peBlue
= v
;
120 return W32kCreatePalette((LOGPALETTE
*)&Palette
);
123 HPALETTE STDCALL
W32kCreatePalette(CONST PLOGPALETTE palette
)
127 HPALETTE NewPalette
= (HPALETTE
)EngCreatePalette(PAL_INDEXED
, palette
->palNumEntries
, (PULONG
*) palette
->palPalEntry
, 0, 0, 0);
130 PalObj
= (PPALOBJ
)AccessUserObject(NewPalette
);
132 size
= sizeof(LOGPALETTE
) + (palette
->palNumEntries
* sizeof(PALETTEENTRY
));
133 PalObj
->logpalette
= ExAllocatePool(NonPagedPool
, size
);
134 memcpy(PalObj
->logpalette
, palette
, size
);
135 PALETTE_ValidateFlags(PalObj
->logpalette
->palPalEntry
, PalObj
->logpalette
->palNumEntries
);
136 PalObj
->logicalToSystem
= NULL
;
141 BOOL STDCALL
W32kGetColorAdjustment(HDC hDC
,
142 LPCOLORADJUSTMENT ca
)
147 COLORREF STDCALL
W32kGetNearestColor(HDC hDC
,
150 COLORREF nearest
= CLR_INVALID
;
154 if( (dc
= DC_HandleToPtr(hDC
) ) )
156 HPALETTE hpal
= (dc
->w
.hPalette
)? dc
->w
.hPalette
: W32kGetStockObject(DEFAULT_PALETTE
);
157 palObj
= (PPALOBJ
)AccessUserObject(hpal
);
159 // GDI_ReleaseObj(hdc);
163 nearest
= COLOR_LookupNearestColor(palObj
->logpalette
->palPalEntry
,
164 palObj
->logpalette
->palNumEntries
, Color
);
165 // FIXME: release hpal!!
166 // GDI_ReleaseObj( hpal );
167 DC_ReleasePtr( hDC
);
173 UINT STDCALL
W32kGetNearestPaletteIndex(HPALETTE hpal
,
176 PPALOBJ palObj
= (PPALOBJ
)AccessUserObject(hpal
);
181 // Return closest match for the given RGB color
182 index
= COLOR_PaletteLookupPixel(palObj
->logpalette
->palPalEntry
, palObj
->logpalette
->palNumEntries
, NULL
, Color
, FALSE
);
183 // GDI_ReleaseObj( hpalette );
189 UINT STDCALL
W32kGetPaletteEntries(HPALETTE hpal
,
197 palPtr
= (PPALOBJ
)AccessUserObject(hpal
);
198 if (!palPtr
) return 0;
200 numEntries
= palPtr
->logpalette
->palNumEntries
;
201 if (StartIndex
+ Entries
> numEntries
) Entries
= numEntries
- StartIndex
;
204 if (StartIndex
>= numEntries
)
206 // GDI_ReleaseObj( hpalette );
209 memcpy(pe
, &palPtr
->logpalette
->palPalEntry
[StartIndex
], Entries
* sizeof(PALETTEENTRY
));
210 for(numEntries
= 0; numEntries
< Entries
; numEntries
++)
211 if (pe
[numEntries
].peFlags
& 0xF0)
212 pe
[numEntries
].peFlags
= 0;
215 // GDI_ReleaseObj( hpalette );
219 UINT STDCALL
W32kGetSystemPaletteEntries(HDC hDC
,
227 if (!(dc = AccessUserObject(hdc))) return 0;
231 Entries = dc->devCaps->sizePalette;
235 if (StartIndex >= dc->devCaps->sizePalette)
241 if (StartIndex + Entries >= dc->devCaps->sizePalette) Entries = dc->devCaps->sizePalette - StartIndex;
243 for (i = 0; i < Entries; i++)
245 *(COLORREF*)(entries + i) = COLOR_GetSystemPaletteEntry(StartIndex + i);
249 // GDI_ReleaseObj(hdc);
253 UINT STDCALL
W32kGetSystemPaletteUse(HDC hDC
)
258 UINT STDCALL
W32kRealizePalette(HDC hDC
)
260 The RealizePalette function modifies the palette for the device associated with the specified device context. If the device context is a memory DC, the color table for the bitmap selected into the DC is modified. If the device context is a display DC, the physical palette for that device is modified.
262 A logical palette is a buffer between color-intensive applications and the system, allowing these applications to use as many colors as needed without interfering with colors displayed by other windows.
264 1= IF DRAWING TO A DEVICE
265 -- If it is a paletted bitmap, and is not an identity palette, then an XLATEOBJ is created between the logical palette and
267 -- If it is an RGB palette, then an XLATEOBJ is created between the RGB values and the system palette.
269 2= IF DRAWING TO A MEMORY DC\BITMAP
270 -- If it is a paletted bitmap, and is not an identity palette, then an XLATEOBJ is created between the logical palette and
272 -- If it is an RGB palette, then an XLATEOBJ is created between the RGB values and the dc palette.
275 PPALOBJ palPtr
, sysPtr
;
276 PPALGDI palGDI
, sysGDI
;
278 PDC dc
= (PDC
)AccessUserObject(hDC
);
279 HPALETTE systemPalette
;
285 palPtr
= (PPALOBJ
)AccessUserObject(dc
->w
.hPalette
);
286 SurfGDI
= (PSURFGDI
)AccessInternalObjectFromUserObject(dc
->Surface
);
287 systemPalette
= W32kGetStockObject(STOCK_DEFAULT_PALETTE
);
288 sysPtr
= (PPALOBJ
)AccessInternalObject(systemPalette
);
289 palGDI
= (PPALGDI
)AccessInternalObject(dc
->w
.hPalette
);
290 sysGDI
= (PPALGDI
)AccessInternalObject(systemPalette
);
292 // Step 1: Create mapping of system palette\DC palette
293 realized
= PALETTE_SetMapping(palPtr
, 0, palPtr
->logpalette
->palNumEntries
,
294 (dc
->w
.hPalette
!= hPrimaryPalette
) ||
295 (dc
->w
.hPalette
== W32kGetStockObject(DEFAULT_PALETTE
)));
298 // The RealizePalette function modifies the palette for the device associated with the specified device context. If the
299 // device context is a memory DC, the color table for the bitmap selected into the DC is modified. If the device
300 // context is a display DC, the physical palette for that device is modified.
301 if(dc
->w
.flags
== DC_MEMORY
)
304 DbgPrint("win32k: realizepalette unimplemented step 2 for DC_MEMORY");
306 if(SurfGDI
->SetPalette
)
308 success
= SurfGDI
->SetPalette(dc
->PDev
, sysPtr
, 0, 0, sysPtr
->logpalette
->palNumEntries
);
312 // Step 3: Create the XLATEOBJ for device managed DCs
313 if(dc
->w
.flags
!= DC_MEMORY
)
316 palPtr
->logicalToSystem
= EngCreateXlate(sysGDI
->Mode
, palGDI
->Mode
, systemPalette
, dc
->w
.hPalette
);
319 // GDI_ReleaseObj(dc->w.hPalette);
320 // GDI_ReleaseObj(hdc);
325 BOOL STDCALL
W32kResizePalette(HPALETTE hpal
,
328 /* PPALOBJ palPtr = (PPALOBJ)AccessUserObject(hPal);
329 UINT cPrevEnt, prevVer;
330 INT prevsize, size = sizeof(LOGPALETTE) + (cEntries - 1) * sizeof(PALETTEENTRY);
331 PXLATEOBJ XlateObj = NULL;
333 if(!palPtr) return FALSE;
334 cPrevEnt = palPtr->logpalette->palNumEntries;
335 prevVer = palPtr->logpalette->palVersion;
336 prevsize = sizeof(LOGPALETTE) + (cPrevEnt - 1) * sizeof(PALETTEENTRY) + sizeof(int*) + sizeof(GDIOBJHDR);
337 size += sizeof(int*) + sizeof(GDIOBJHDR);
338 XlateObj = palPtr->logicalToSystem;
340 if (!(palPtr = GDI_ReallocObject(size, hPal, palPtr))) return FALSE;
344 PXLATEOBJ NewXlateObj = (int*) HeapReAlloc(GetProcessHeap(), 0, XlateObj, cEntries * sizeof(int));
345 if(NewXlateObj == NULL)
347 ERR("Can not resize logicalToSystem -- out of memory!");
348 GDI_ReleaseObj( hPal );
351 palPtr->logicalToSystem = NewXlateObj;
354 if(cEntries > cPrevEnt)
356 if(XlateObj) memset(palPtr->logicalToSystem + cPrevEnt, 0, (cEntries - cPrevEnt)*sizeof(int));
357 memset( (BYTE*)palPtr + prevsize, 0, size - prevsize );
358 PALETTE_ValidateFlags((PALETTEENTRY*)((BYTE*)palPtr + prevsize), cEntries - cPrevEnt );
360 palPtr->logpalette->palNumEntries = cEntries;
361 palPtr->logpalette->palVersion = prevVer;
362 // GDI_ReleaseObj( hPal );
368 HPALETTE STDCALL
W32kSelectPalette(HDC hDC
,
370 BOOL ForceBackground
)
372 PDC dc
= (PDC
)AccessUserObject(hDC
);
375 oldPal
= dc
->w
.hPalette
;
376 dc
->w
.hPalette
= hpal
;
378 // FIXME: mark the palette as a [fore\back]ground pal
383 BOOL STDCALL
W32kSetColorAdjustment(HDC hDC
,
384 CONST LPCOLORADJUSTMENT ca
)
389 UINT STDCALL
W32kSetPaletteEntries(HPALETTE hpal
,
392 CONST LPPALETTEENTRY pe
)
397 palPtr
= (PPALOBJ
)AccessUserObject(hpal
);
398 if (!palPtr
) return 0;
400 numEntries
= palPtr
->logpalette
->palNumEntries
;
401 if (Start
>= numEntries
)
403 // GDI_ReleaseObj( hpalette );
406 if (Start
+ Entries
> numEntries
) Entries
= numEntries
- Start
;
407 memcpy(&palPtr
->logpalette
->palPalEntry
[Start
], pe
, Entries
* sizeof(PALETTEENTRY
));
408 PALETTE_ValidateFlags(palPtr
->logpalette
->palPalEntry
, palPtr
->logpalette
->palNumEntries
);
409 ExFreePool(palPtr
->logicalToSystem
);
410 palPtr
->logicalToSystem
= NULL
;
411 // GDI_ReleaseObj( hpalette );
415 UINT STDCALL
W32kSetSystemPaletteUse(HDC hDC
,
421 BOOL STDCALL
W32kUnrealizeObject(HGDIOBJ hgdiobj
)
426 BOOL STDCALL
W32kUpdateColors(HDC hDC
)
432 if (!(dc = AccessUserObject(hDC))) return 0;
433 size = dc->devCaps->sizePalette;
434 // GDI_ReleaseObj( hDC );
436 if (Callout.WindowFromDC)
438 hWnd = Callout.WindowFromDC( hDC );
440 // Docs say that we have to remap current drawable pixel by pixel
441 // but it would take forever given the speed of XGet/PutPixel.
442 if (hWnd && size) Callout.RedrawWindow( hWnd, NULL, 0, RDW_INVALIDATE );
447 int COLOR_PaletteLookupPixel(PALETTEENTRY
*palPalEntry
, int size
,
448 PXLATEOBJ XlateObj
, COLORREF col
, BOOL skipReserved
)
450 int i
, best
= 0, diff
= 0x7fffffff;
453 for( i
= 0; i
< size
&& diff
; i
++ )
455 if(!(palPalEntry
[i
].peFlags
& PC_SYS_USED
) || (skipReserved
&& palPalEntry
[i
].peFlags
& PC_SYS_RESERVED
))
458 r
= palPalEntry
[i
].peRed
- GetRValue(col
);
459 g
= palPalEntry
[i
].peGreen
- GetGValue(col
);
460 b
= palPalEntry
[i
].peBlue
- GetBValue(col
);
464 if( r
< diff
) { best
= i
; diff
= r
; }
466 return (XlateObj
->pulXlate
) ? XlateObj
->pulXlate
[best
] : best
;
469 COLORREF
COLOR_LookupNearestColor( PALETTEENTRY
* palPalEntry
, int size
, COLORREF color
)
471 unsigned char spec_type
= color
>> 24;
473 PALETTEENTRY
*COLOR_sysPal
= (PALETTEENTRY
*)ReturnSystemPalette();
475 // we need logical palette for PALETTERGB and PALETTEINDEX colorrefs
477 if( spec_type
== 2 ) /* PALETTERGB */
478 color
= *(COLORREF
*)(palPalEntry
+ COLOR_PaletteLookupPixel(palPalEntry
,size
,NULL
,color
,FALSE
));
480 else if( spec_type
== 1 ) /* PALETTEINDEX */
482 if( (i
= color
& 0x0000ffff) >= size
)
484 DbgPrint("RGB(%lx) : idx %d is out of bounds, assuming NULL\n", color
, i
);
485 color
= *(COLORREF
*)palPalEntry
;
487 else color
= *(COLORREF
*)(palPalEntry
+ i
);
491 return (0x00ffffff & *(COLORREF
*)(COLOR_sysPal
+ COLOR_PaletteLookupPixel(COLOR_sysPal
, 256, NULL
, color
, FALSE
)));
494 int COLOR_PaletteLookupExactIndex( PALETTEENTRY
* palPalEntry
, int size
,
498 BYTE r
= GetRValue(col
), g
= GetGValue(col
), b
= GetBValue(col
);
499 for( i
= 0; i
< size
; i
++ )
501 if( palPalEntry
[i
].peFlags
& PC_SYS_USED
) /* skips gap */
502 if(palPalEntry
[i
].peRed
== r
&& palPalEntry
[i
].peGreen
== g
&& palPalEntry
[i
].peBlue
== b
) return i
;