palette.c File Reference

#include <win32k.h>
#include <debug.h>

Include dependency graph for palette.c:

Go to the source code of this file.

Macros
#define	NDEBUG
#define	PAL_SETPOWNER   0x8000
#define	MAX_PALCOLORS   65536

Functions
unsigned short	GetNumberOfBits (unsigned int dwMask)
NTSTATUS NTAPI	InitPaletteImpl (VOID)
VOID FASTCALL	PALETTE_ValidateFlags (PALETTEENTRY *lpPalE, INT size)
PPALETTE NTAPI	PALETTE_AllocPalette (_In_ ULONG iMode, _In_ ULONG cColors, _In_opt_ const PALETTEENTRY *pEntries, _In_ FLONG flRed, _In_ FLONG flGreen, _In_ FLONG flBlue)
PPALETTE NTAPI	PALETTE_AllocPalWithHandle (_In_ ULONG iMode, _In_ ULONG cColors, _In_opt_ const PALETTEENTRY *pEntries, _In_ FLONG flRed, _In_ FLONG flGreen, _In_ FLONG flBlue)
VOID NTAPI	PALETTE_vCleanup (PVOID ObjectBody)
INT FASTCALL	PALETTE_GetObject (PPALETTE ppal, INT cbCount, LPLOGBRUSH lpBuffer)
ULONG NTAPI	PALETTE_ulGetNearestPaletteIndex (PALETTE *ppal, ULONG iColor)
ULONG NTAPI	PALETTE_ulGetNearestBitFieldsIndex (PALETTE *ppal, ULONG ulColor)
ULONG NTAPI	PALETTE_ulGetNearestIndex (PALETTE *ppal, ULONG ulColor)
VOID NTAPI	PALETTE_vGetBitMasks (PPALETTE ppal, PULONG pulColors)
VOID FASTCALL	ColorCorrection (PPALETTE PalGDI, PPALETTEENTRY PaletteEntry, ULONG Colors)
HPALETTE APIENTRY	EngCreatePalette (ULONG iMode, ULONG cColors, ULONG *pulColors, ULONG flRed, ULONG flGreen, ULONG flBlue)
BOOL APIENTRY	EngDeletePalette (IN HPALETTE hpal)
ULONG APIENTRY	PALOBJ_cGetColors (PALOBJ *PalObj, ULONG Start, ULONG Colors, ULONG *PaletteEntry)
HPALETTE NTAPI	GreCreatePaletteInternal (IN LPLOGPALETTE pLogPal, IN UINT cEntries)
HPALETTE APIENTRY	NtGdiCreatePaletteInternal (IN LPLOGPALETTE plogpalUser, IN UINT cEntries)
HPALETTE APIENTRY	NtGdiCreateHalftonePalette (HDC hDC)
BOOL APIENTRY	NtGdiResizePalette (HPALETTE hpal, UINT Entries)
BOOL APIENTRY	NtGdiGetColorAdjustment (HDC hdc, LPCOLORADJUSTMENT pca)
BOOL APIENTRY	NtGdiSetColorAdjustment (HDC hdc, LPCOLORADJUSTMENT pca)
COLORREF APIENTRY	NtGdiGetNearestColor (_In_ HDC hDC, _In_ COLORREF Color)
UINT APIENTRY	NtGdiGetNearestPaletteIndex (HPALETTE hpal, COLORREF crColor)
UINT FASTCALL	IntGdiRealizePalette (HDC hDC)
UINT APIENTRY	IntAnimatePalette (HPALETTE hPal, UINT StartIndex, UINT NumEntries, CONST PPALETTEENTRY PaletteColors)
UINT APIENTRY	IntGetPaletteEntries (HPALETTE hpal, UINT StartIndex, UINT Entries, LPPALETTEENTRY pe)
UINT APIENTRY	IntGetSystemPaletteEntries (HDC hDC, UINT StartIndex, UINT Entries, LPPALETTEENTRY pe)
UINT APIENTRY	IntSetPaletteEntries (HPALETTE hpal, UINT Start, UINT Entries, CONST LPPALETTEENTRY pe)
ULONG APIENTRY	GreGetSetColorTable (HDC hdc, ULONG iStartIndex, ULONG cEntries, RGBQUAD *prgbColors, BOOL bSet)
__kernel_entry LONG APIENTRY	NtGdiDoPalette (_In_ HGDIOBJ hObj, _In_ WORD iStart, _In_ WORD cEntries, _When_(bInbound!=0, _In_reads_bytes_(cEntries *sizeof(PALETTEENTRY))) _When_(bInbound==0, _Out_writes_bytes_(cEntries *sizeof(PALETTEENTRY))) LPVOID pUnsafeEntries, _In_ DWORD iFunc, _In_ BOOL bInbound)
UINT APIENTRY	NtGdiSetSystemPaletteUse (HDC hDC, UINT Usage)
UINT APIENTRY	NtGdiGetSystemPaletteUse (HDC hDC)
BOOL APIENTRY	NtGdiUpdateColors (HDC hDC)
BOOL APIENTRY	NtGdiUnrealizeObject (HGDIOBJ hgdiobj)
__kernel_entry HPALETTE APIENTRY	NtGdiEngCreatePalette (_In_ ULONG iMode, _In_ ULONG cColors, _In_ ULONG *pulColors, _In_ FLONG flRed, _In_ FLONG flGreen, _In_ FLONG flBlue)
__kernel_entry BOOL APIENTRY	NtGdiEngDeletePalette (_In_ HPALETTE hPal)

Variables
static UINT	SystemPaletteUse = SYSPAL_NOSTATIC
PALETTE	gpalRGB
PALETTE	gpalBGR
PALETTE	gpalRGB555
PALETTE	gpalRGB565
PALETTE *	gppalMono
PALETTE *	gppalDefault
PPALETTE	appalSurfaceDefault [11]
const PALETTEENTRY	g_sysPalTemplate [NB_RESERVED_COLORS]

Macro Definition Documentation

MAX_PALCOLORS

#define MAX_PALCOLORS   65536

Definition at line 16 of file palette.c.

NDEBUG

#define NDEBUG

Definition at line 12 of file palette.c.

PAL_SETPOWNER

#define PAL_SETPOWNER   0x8000

Definition at line 15 of file palette.c.

Function Documentation

ColorCorrection()

VOID FASTCALL ColorCorrection	(	PPALETTE	PalGDI,
		PPALETTEENTRY	PaletteEntry,
		ULONG	Colors
	)

Definition at line 348 of file palette.c.

{
    PPDEVOBJ ppdev = (PPDEVOBJ)PalGDI->hPDev;

    if (!ppdev) return;

    if (ppdev->flFlags & PDEV_GAMMARAMP_TABLE)
    {
        ULONG i;
        PGAMMARAMP GammaRamp = (PGAMMARAMP)ppdev->pvGammaRamp;
        for ( i = 0; i < Colors; i++)
        {
            PaletteEntry[i].peRed   += GammaRamp->Red[i];
            PaletteEntry[i].peGreen += GammaRamp->Green[i];
            PaletteEntry[i].peBlue  += GammaRamp->Blue[i];
        }
    }
    return;
}

Referenced by PALOBJ_cGetColors().

EngCreatePalette()

HPALETTE APIENTRY EngCreatePalette	(	ULONG	iMode,
		ULONG	cColors,
		ULONG *	pulColors,
		ULONG	flRed,
		ULONG	flGreen,
		ULONG	flBlue
	)

Display Driver Interface

Definition at line 375 of file palette.c.

{
    PPALETTE ppal;
    HPALETTE hpal;

    ppal = PALETTE_AllocPalette(iMode, cColors, (PPALETTEENTRY)pulColors, flRed, flGreen, flBlue);
    if (!ppal) return NULL;

    hpal = GDIOBJ_hInsertObject(&ppal->BaseObject, GDI_OBJ_HMGR_PUBLIC);
    if (!hpal)
    {
        DPRINT1("Could not insert palette into handle table.\n");
        GDIOBJ_vFreeObject(&ppal->BaseObject);
        return NULL;
    }

    PALETTE_UnlockPalette(ppal);
    return hpal;
}

Referenced by bInitDefaultPalette(), IntInitDefaultPalette(), and NtGdiEngCreatePalette().

EngDeletePalette()

BOOL APIENTRY EngDeletePalette

(

IN HPALETTE

hpal

)

Definition at line 406 of file palette.c.

{
    PPALETTE ppal;

    ppal = PALETTE_ShareLockPalette(hpal);
    if (!ppal) return FALSE;

    GDIOBJ_vDeleteObject(&ppal->BaseObject);

    return TRUE;
}

Referenced by NtGdiEngDeletePalette(), and vDisablePalette().

GetNumberOfBits()

unsigned short GetNumberOfBits

(

unsigned int

dwMask

)

Definition at line 54 of file palette.c.

{
   unsigned short wBits;
   for (wBits = 0; dwMask; dwMask = dwMask & (dwMask - 1))
      wBits++;
   return wBits;
}

GreCreatePaletteInternal()

HPALETTE NTAPI GreCreatePaletteInternal	(	IN LPLOGPALETTE	pLogPal,
		IN UINT	cEntries
	)

Systemcall Interface

Definition at line 448 of file palette.c.

{
    HPALETTE hpal = NULL;
    PPALETTE ppal;

    pLogPal->palNumEntries = cEntries;
    ppal = PALETTE_AllocPalWithHandle(PAL_INDEXED,
                                      cEntries,
                                      pLogPal->palPalEntry,
                                      0, 0, 0);

    if (ppal != NULL)
    {
        PALETTE_ValidateFlags(ppal->IndexedColors, ppal->NumColors);

        hpal = ppal->BaseObject.hHmgr;
        PALETTE_UnlockPalette(ppal);
    }

    return hpal;
}

GreGetSetColorTable()

ULONG APIENTRY GreGetSetColorTable	(	HDC	hdc,
		ULONG	iStartIndex,
		ULONG	cEntries,
		RGBQUAD *	prgbColors,
		BOOL	bSet
	)

Definition at line 995 of file palette.c.

{
    PDC pdc;
    PSURFACE psurf;
    PPALETTE ppal = NULL;
    ULONG i, iEndIndex, iResult = 0;

    /* Lock the DC */
    pdc = DC_LockDc(hdc);
    if (!pdc)
    {
        return 0;
    }

    /* Get the surface from the DC */
    psurf = pdc->dclevel.pSurface;

    /* Check if we have the default surface */
    if (psurf == NULL)
    {
        /* Use a mono palette */
        if (!bSet)
            ppal = gppalMono;
    }
    else if (psurf->SurfObj.iType == STYPE_BITMAP)
    {
        /* Get the palette of the surface */
        ppal = psurf->ppal;
    }

    /* Check if this is an indexed palette and the range is ok */
    if (ppal && (ppal->flFlags & PAL_INDEXED) &&
        (iStartIndex < ppal->NumColors))
    {
        /* Calculate the end of the operation */
        iEndIndex = min(iStartIndex + cEntries, ppal->NumColors);

        /* Check what operation to perform */
        if (bSet)
        {
            /* Loop all colors and set the palette entries */
            for (i = iStartIndex; i < iEndIndex; i++, prgbColors++)
            {
                ppal->IndexedColors[i].peRed = prgbColors->rgbRed;
                ppal->IndexedColors[i].peGreen = prgbColors->rgbGreen;
                ppal->IndexedColors[i].peBlue = prgbColors->rgbBlue;
            }

            /* Mark the dc brushes invalid */
            pdc->pdcattr->ulDirty_ |= DIRTY_FILL|DIRTY_LINE|
                                      DIRTY_BACKGROUND|DIRTY_TEXT;
        }
        else
        {
            /* Loop all colors and get the palette entries */
            for (i = iStartIndex; i < iEndIndex; i++, prgbColors++)
            {
                prgbColors->rgbRed = ppal->IndexedColors[i].peRed;
                prgbColors->rgbGreen = ppal->IndexedColors[i].peGreen;
                prgbColors->rgbBlue = ppal->IndexedColors[i].peBlue;
                prgbColors->rgbReserved = 0;
            }
        }

        /* Calculate how many entries were modified */
        iResult = iEndIndex - iStartIndex;
    }

    /* Unlock the DC */
    DC_UnlockDc(pdc);

    return iResult;
}

Referenced by NtGdiDoPalette().

InitPaletteImpl()

NTSTATUS NTAPI InitPaletteImpl

(

VOID

)

Definition at line 66 of file palette.c.

{
    // Create default palette (20 system colors)
    gppalDefault = PALETTE_AllocPalWithHandle(PAL_INDEXED,
                                              20,
                                              g_sysPalTemplate,
                                              0, 0, 0);
    GDIOBJ_vReferenceObjectByPointer(&gppalDefault->BaseObject);
    PALETTE_UnlockPalette(gppalDefault);

    /*  palette_size = visual->map_entries; */

    gpalRGB.flFlags = PAL_RGB;
    gpalRGB.RedMask = RGB(0xFF, 0x00, 0x00);
    gpalRGB.GreenMask = RGB(0x00, 0xFF, 0x00);
    gpalRGB.BlueMask = RGB(0x00, 0x00, 0xFF);
    gpalRGB.BaseObject.ulShareCount = 1;
    gpalRGB.BaseObject.BaseFlags = 0 ;

    gpalBGR.flFlags = PAL_BGR;
    gpalBGR.RedMask = RGB(0x00, 0x00, 0xFF);
    gpalBGR.GreenMask = RGB(0x00, 0xFF, 0x00);
    gpalBGR.BlueMask = RGB(0xFF, 0x00, 0x00);
    gpalBGR.BaseObject.ulShareCount = 1;
    gpalBGR.BaseObject.BaseFlags = 0 ;

    gpalRGB555.flFlags = PAL_RGB16_555 | PAL_BITFIELDS;
    gpalRGB555.RedMask = 0x7C00;
    gpalRGB555.GreenMask = 0x3E0;
    gpalRGB555.BlueMask = 0x1F;
    gpalRGB555.BaseObject.ulShareCount = 1;
    gpalRGB555.BaseObject.BaseFlags = 0 ;

    gpalRGB565.flFlags = PAL_RGB16_565 | PAL_BITFIELDS;
    gpalRGB565.RedMask = 0xF800;
    gpalRGB565.GreenMask = 0x7E0;
    gpalRGB565.BlueMask = 0x1F;
    gpalRGB565.BaseObject.ulShareCount = 1;
    gpalRGB565.BaseObject.BaseFlags = 0 ;

    gppalMono = PALETTE_AllocPalette(PAL_MONOCHROME|PAL_INDEXED, 2, NULL, 0, 0, 0);
    PALETTE_vSetRGBColorForIndex(gppalMono, 0, 0x000000);
    PALETTE_vSetRGBColorForIndex(gppalMono, 1, 0xffffff);

    /* Initialize default surface palettes */
    appalSurfaceDefault[BMF_1BPP] = gppalMono;
    appalSurfaceDefault[BMF_4BPP] = gppalDefault;
    appalSurfaceDefault[BMF_8BPP] = gppalDefault;
    appalSurfaceDefault[BMF_16BPP] = &gpalRGB565;
    appalSurfaceDefault[BMF_24BPP] = &gpalBGR;
    appalSurfaceDefault[BMF_32BPP] = &gpalBGR;
    appalSurfaceDefault[BMF_4RLE] = gppalDefault;
    appalSurfaceDefault[BMF_8RLE] = gppalDefault;
    appalSurfaceDefault[BMF_JPEG] = &gpalRGB;
    appalSurfaceDefault[BMF_PNG] = &gpalRGB;

    return STATUS_SUCCESS;
}

Referenced by DriverEntry().

IntAnimatePalette()

UINT APIENTRY IntAnimatePalette	(	HPALETTE	hPal,
		UINT	StartIndex,
		UINT	NumEntries,
		CONST PPALETTEENTRY	PaletteColors
	)

Definition at line 786 of file palette.c.

{
    UINT ret = 0;

    if( hPal != NtGdiGetStockObject(DEFAULT_PALETTE) )
    {
        PPALETTE palPtr;
        UINT pal_entries;
        const PALETTEENTRY *pptr = PaletteColors;

        palPtr = PALETTE_ShareLockPalette(hPal);
        if (!palPtr) return FALSE;

        pal_entries = palPtr->NumColors;
        if (StartIndex >= pal_entries)
        {
            PALETTE_ShareUnlockPalette(palPtr);
            return FALSE;
        }
        if (StartIndex+NumEntries > pal_entries) NumEntries = pal_entries - StartIndex;

        for (NumEntries += StartIndex; StartIndex < NumEntries; StartIndex++, pptr++)
        {
            /* According to MSDN, only animate PC_RESERVED colours */
            if (palPtr->IndexedColors[StartIndex].peFlags & PC_RESERVED)
            {
                memcpy( &palPtr->IndexedColors[StartIndex], pptr,
                        sizeof(PALETTEENTRY) );
                ret++;
                PALETTE_ValidateFlags(&palPtr->IndexedColors[StartIndex], 1);
            }
        }

        PALETTE_ShareUnlockPalette(palPtr);

#if 0
/* FIXME: This is completely broken! We cannot call UserGetDesktopWindow
   without first acquiring the USER lock. But the whole process here is
   screwed anyway. Instead of messing with the desktop DC, we need to
   check, whether the palette is associated with a PDEV and whether that
   PDEV supports palette operations. Then we need to call pfnDrvSetPalette.
   But since IntGdiRealizePalette() is not even implemented for direct DCs,
   we can as well just do nothing, that will at least not ASSERT!
   I leave the whole thing here, to scare people away, who want to "fix" it. */

        /* Immediately apply the new palette if current window uses it */
        Wnd = UserGetDesktopWindow();
        hDC =  UserGetWindowDC(Wnd);
        dc = DC_LockDc(hDC);
        if (NULL != dc)
        {
            if (dc->dclevel.hpal == hPal)
            {
                DC_UnlockDc(dc);
                IntGdiRealizePalette(hDC);
            }
            else
                DC_UnlockDc(dc);
        }
        UserReleaseDC(Wnd,hDC, FALSE);
#endif // 0
    }
    return ret;
}

Referenced by NtGdiDoPalette().

IntGdiRealizePalette()

UINT FASTCALL IntGdiRealizePalette

(

HDC

hDC

)

FIXME: shouldn't dereference pSurface while the PDEV is not locked

Definition at line 731 of file palette.c.

{
    UINT i, realize = 0;
    PDC pdc;
    PALETTE *ppalSurf, *ppalDC;

    pdc = DC_LockDc(hDC);
    if (!pdc)
    {
        EngSetLastError(ERROR_INVALID_HANDLE);
        return 0;
    }

    if (!pdc->dclevel.pSurface)
    {
        goto cleanup;
    }

    if (pdc->dctype == DCTYPE_DIRECT)
    {
        static BOOL g_WarnedOnce = FALSE;
        if (!g_WarnedOnce)
        {
            g_WarnedOnce = TRUE;
            UNIMPLEMENTED;
        }
        goto cleanup;
    }

    ppalSurf = pdc->dclevel.pSurface->ppal;
    ppalDC = pdc->dclevel.ppal;

    if (!(ppalSurf->flFlags & PAL_INDEXED))
    {
        // FIXME: Set error?
        goto cleanup;
    }

    ASSERT(ppalDC->flFlags & PAL_INDEXED);

    // FIXME: Should we resize ppalSurf if it's too small?
    realize = (ppalDC->NumColors < ppalSurf->NumColors) ? ppalDC->NumColors : ppalSurf->NumColors;

    for (i=0; i<realize; i++)
    {
        InterlockedExchange((LONG*)&ppalSurf->IndexedColors[i], *(LONG*)&ppalDC->IndexedColors[i]);
    }

cleanup:
    DC_UnlockDc(pdc);
    return realize;
}

Referenced by IntAnimatePalette(), and UserRealizePalette().

IntGetPaletteEntries()

UINT APIENTRY IntGetPaletteEntries	(	HPALETTE	hpal,
		UINT	StartIndex,
		UINT	Entries,
		LPPALETTEENTRY	pe
	)

Definition at line 855 of file palette.c.

{
    PPALETTE palGDI;
    UINT numEntries;

    palGDI = (PPALETTE) PALETTE_ShareLockPalette(hpal);
    if (NULL == palGDI)
    {
        return 0;
    }

    numEntries = palGDI->NumColors;
    if (NULL != pe)
    {
        if (numEntries < StartIndex + Entries)
        {
            Entries = numEntries - StartIndex;
        }
        if (numEntries <= StartIndex)
        {
            PALETTE_ShareUnlockPalette(palGDI);
            return 0;
        }
        memcpy(pe, palGDI->IndexedColors + StartIndex, Entries * sizeof(PALETTEENTRY));
    }
    else
    {
        Entries = numEntries;
    }

    PALETTE_ShareUnlockPalette(palGDI);
    return Entries;
}

Referenced by NtGdiDoPalette().

IntGetSystemPaletteEntries()

UINT APIENTRY IntGetSystemPaletteEntries	(	HDC	hDC,
		UINT	StartIndex,
		UINT	Entries,
		LPPALETTEENTRY	pe
	)

Definition at line 894 of file palette.c.

{
    PPALETTE palGDI = NULL;
    PDC dc = NULL;
    UINT EntriesSize = 0;
    UINT Ret = 0;

    if (Entries == 0)
    {
        EngSetLastError(ERROR_INVALID_PARAMETER);
        return 0;
    }

    if (pe != NULL)
    {
        EntriesSize = Entries * sizeof(pe[0]);
        if (Entries != EntriesSize / sizeof(pe[0]))
        {
            /* Integer overflow! */
            EngSetLastError(ERROR_INVALID_PARAMETER);
            return 0;
        }
    }

    if (!(dc = DC_LockDc(hDC)))
    {
        EngSetLastError(ERROR_INVALID_HANDLE);
        return 0;
    }

    palGDI = PALETTE_ShareLockPalette(dc->dclevel.hpal);
    if (palGDI != NULL)
    {
        if (pe != NULL)
        {
            if (StartIndex >= palGDI->NumColors)
                Entries = 0;
            else if (Entries > palGDI->NumColors - StartIndex)
                Entries = palGDI->NumColors - StartIndex;

            memcpy(pe,
                   palGDI->IndexedColors + StartIndex,
                   Entries * sizeof(pe[0]));

            Ret = Entries;
        }
        else
        {
            Ret = dc->ppdev->gdiinfo.ulNumPalReg;
        }
    }

    if (palGDI != NULL)
        PALETTE_ShareUnlockPalette(palGDI);

    if (dc != NULL)
        DC_UnlockDc(dc);

    return Ret;
}

Referenced by NtGdiDoPalette().

IntSetPaletteEntries()

UINT APIENTRY IntSetPaletteEntries	(	HPALETTE	hpal,
		UINT	Start,
		UINT	Entries,
		CONST LPPALETTEENTRY	pe
	)

Definition at line 960 of file palette.c.

{
    PPALETTE palGDI;
    ULONG numEntries;

    if ((UINT_PTR)hpal & GDI_HANDLE_STOCK_MASK)
    {
        return 0;
    }

    palGDI = PALETTE_ShareLockPalette(hpal);
    if (!palGDI) return 0;

    numEntries = palGDI->NumColors;
    if (Start >= numEntries)
    {
        PALETTE_ShareUnlockPalette(palGDI);
        return 0;
    }
    if (numEntries < Start + Entries)
    {
        Entries = numEntries - Start;
    }
    memcpy(palGDI->IndexedColors + Start, pe, Entries * sizeof(PALETTEENTRY));
    PALETTE_ShareUnlockPalette(palGDI);

    return Entries;
}

Referenced by NtGdiDoPalette().

NtGdiCreateHalftonePalette()

HPALETTE APIENTRY NtGdiCreateHalftonePalette

(

HDC

hDC

)

Definition at line 518 of file palette.c.

{
    int i, r, g, b;
    PALETTEENTRY PalEntries[256];
    PPALETTE ppal;
    PDC pdc;
    HPALETTE hpal = NULL;

    pdc = DC_LockDc(hDC);
    if (!pdc)
    {
        EngSetLastError(ERROR_INVALID_HANDLE);
        return NULL;
    }

    RtlZeroMemory(PalEntries, sizeof(PalEntries));

    /* First and last ten entries are default ones */
    for (i = 0; i < 10; i++)
    {
        PalEntries[i].peRed = g_sysPalTemplate[i].peRed;
        PalEntries[i].peGreen = g_sysPalTemplate[i].peGreen;
        PalEntries[i].peBlue = g_sysPalTemplate[i].peBlue;

        PalEntries[246 + i].peRed = g_sysPalTemplate[10 + i].peRed;
        PalEntries[246 + i].peGreen = g_sysPalTemplate[10 + i].peGreen;
        PalEntries[246 + i].peBlue = g_sysPalTemplate[10 + i].peBlue;
    }

    ppal = PALETTE_ShareLockPalette(pdc->dclevel.hpal);
    if (ppal && (ppal->flFlags & PAL_INDEXED))
    {
        /* FIXME: optimize the palette for the current palette */
        UNIMPLEMENTED;
    }
    else
    {
        for (r = 0; r < 6; r++)
        {
            for (g = 0; g < 6; g++)
            {
                for (b = 0; b < 6; b++)
                {
                    i = r + g*6 + b*36 + 10;
                    PalEntries[i].peRed = r * 51;
                    PalEntries[i].peGreen = g * 51;
                    PalEntries[i].peBlue = b * 51;
                }
            }
        }

        for (i = 216; i < 246; i++)
        {
            int v = (i - 216) << 3;
            PalEntries[i].peRed = v;
            PalEntries[i].peGreen = v;
            PalEntries[i].peBlue = v;
        }
    }

    if (ppal)
        PALETTE_ShareUnlockPalette(ppal);

    DC_UnlockDc(pdc);

    ppal = PALETTE_AllocPalWithHandle(PAL_INDEXED, 256, PalEntries, 0, 0, 0);
    if (ppal)
    {
        hpal = ppal->BaseObject.hHmgr;
        PALETTE_UnlockPalette(ppal);
    }

    return hpal;
}

NtGdiCreatePaletteInternal()

HPALETTE APIENTRY NtGdiCreatePaletteInternal	(	IN LPLOGPALETTE	plogpalUser,
		IN UINT	cEntries
	)

Definition at line 477 of file palette.c.

{
    HPALETTE hpal = NULL;
    PPALETTE ppal;
    ULONG i, cjSize;

    ppal = PALETTE_AllocPalWithHandle(PAL_INDEXED, cEntries, NULL, 0, 0, 0);
    if (ppal == NULL)
    {
        return NULL;
    }

    cjSize = FIELD_OFFSET(LOGPALETTE, palPalEntry[cEntries]);

    _SEH2_TRY
    {
        ProbeForRead(plogpalUser, cjSize, 1);

        for (i = 0; i < cEntries; i++)
        {
            ppal->IndexedColors[i] = plogpalUser->palPalEntry[i];
        }
    }
    _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
    {
        GDIOBJ_vDeleteObject(&ppal->BaseObject);
        _SEH2_YIELD(return NULL);
    }
    _SEH2_END;

    PALETTE_ValidateFlags(ppal->IndexedColors, cEntries);
    hpal = ppal->BaseObject.hHmgr;
    PALETTE_UnlockPalette(ppal);

    return hpal;
}

Referenced by CreatePalette().

NtGdiDoPalette()

__kernel_entry LONG APIENTRY NtGdiDoPalette	(	_In_ HGDIOBJ	hObj,
		_In_ WORD	iStart,
		_In_ WORD	cEntries,
		_When_(bInbound!=0, _In_reads_bytes_(cEntries *sizeof(PALETTEENTRY))) _When_(bInbound==0, _Out_writes_bytes_(cEntries *sizeof(PALETTEENTRY))) LPVOID	pUnsafeEntries,
		_In_ DWORD	iFunc,
		_In_ BOOL	bInbound
	)

Definition at line 1077 of file palette.c.

{
    LONG ret;
    LPVOID pEntries = NULL;
    SIZE_T cjSize;

    if (pUnsafeEntries)
    {
        if (cEntries == 0)
            return 0;

        cjSize = cEntries * sizeof(PALETTEENTRY);
        pEntries = ExAllocatePoolWithTag(PagedPool, cjSize, TAG_PALETTE);
        if (!pEntries)
            return 0;

        if (bInbound)
        {
            _SEH2_TRY
            {
                ProbeForRead(pUnsafeEntries, cjSize, 1);
                memcpy(pEntries, pUnsafeEntries, cjSize);
            }
            _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
            {
                ExFreePoolWithTag(pEntries, TAG_PALETTE);
                _SEH2_YIELD(return 0);
            }
            _SEH2_END
        }
        else
        {
            /* Zero it out, so we don't accidentally leak kernel data */
            RtlZeroMemory(pEntries, cjSize);
        }
    }

    ret = 0;
    switch(iFunc)
    {
        case GdiPalAnimate:
            if (pEntries)
                ret = IntAnimatePalette((HPALETTE)hObj, iStart, cEntries, (CONST PPALETTEENTRY)pEntries);
            break;

        case GdiPalSetEntries:
            if (pEntries)
                ret = IntSetPaletteEntries((HPALETTE)hObj, iStart, cEntries, (CONST LPPALETTEENTRY)pEntries);
            break;

        case GdiPalGetEntries:
            ret = IntGetPaletteEntries((HPALETTE)hObj, iStart, cEntries, (LPPALETTEENTRY)pEntries);
            break;

        case GdiPalGetSystemEntries:
            ret = IntGetSystemPaletteEntries((HDC)hObj, iStart, cEntries, (LPPALETTEENTRY)pEntries);
            break;

        case GdiPalSetColorTable:
            if (pEntries)
                ret = GreGetSetColorTable((HDC)hObj, iStart, cEntries, (RGBQUAD*)pEntries, TRUE);
            break;

        case GdiPalGetColorTable:
            if (pEntries)
                ret = GreGetSetColorTable((HDC)hObj, iStart, cEntries, (RGBQUAD*)pEntries, FALSE);
            break;
    }

    if (pEntries)
    {
        if (!bInbound && (ret > 0))
        {
            cjSize = min(cEntries, ret) * sizeof(PALETTEENTRY);
            _SEH2_TRY
            {
                ProbeForWrite(pUnsafeEntries, cjSize, 1);
                memcpy(pUnsafeEntries, pEntries, cjSize);
            }
            _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
            {
                ret = 0;
            }
            _SEH2_END
        }
        ExFreePoolWithTag(pEntries, TAG_PALETTE);
    }

    return ret;
}

Referenced by AnimatePalette(), GetDIBColorTable(), GetPaletteEntries(), GetSystemPaletteEntries(), SetDIBColorTable(), SetPaletteEntries(), Test_NtGdiDoPalette_GdiPalAnimate(), Test_NtGdiDoPalette_GdiPalGetEntries(), Test_NtGdiDoPalette_GdiPalSetEntries(), and Test_NtGdiDoPalette_SetDIBColorTable().

NtGdiEngCreatePalette()

__kernel_entry HPALETTE APIENTRY NtGdiEngCreatePalette	(	_In_ ULONG	iMode,
		_In_ ULONG	cColors,
		_In_ ULONG *	pulColors,
		_In_ FLONG	flRed,
		_In_ FLONG	flGreen,
		_In_ FLONG	flBlue
	)

Definition at line 1272 of file palette.c.

{
    HPALETTE hPal = NULL;
    ULONG *pulcSafe, ulColors[WINDDI_MAXSETPALETTECOLORS];

    if ( cColors > MAX_PALCOLORS ) return NULL;

    if ( cColors <= WINDDI_MAXSETPALETTECOLORS )
    {
        pulcSafe = ulColors;
    }
    else
    {
        pulcSafe = ExAllocatePoolWithTag(PagedPool, cColors * sizeof(ULONG), GDITAG_UMPD );
    }

        _SEH2_TRY
    {
        ProbeForRead( pulColors, cColors * sizeof(ULONG), 1);
        RtlCopyMemory( pulcSafe, pulColors, cColors * sizeof(ULONG) );
    }
    _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
    {
        SetLastNtError(_SEH2_GetExceptionCode());
        if ( cColors > WINDDI_MAXSETPALETTECOLORS ) ExFreePoolWithTag( pulcSafe, GDITAG_UMPD );
        _SEH2_YIELD(return hPal);
    }
    _SEH2_END;

    hPal = EngCreatePalette( iMode/*|PAL_SETPOWNER*/, cColors, pulcSafe, flRed, flGreen, flBlue );

    if ( cColors > WINDDI_MAXSETPALETTECOLORS ) ExFreePoolWithTag( pulcSafe, GDITAG_UMPD );

    return hPal;
}

Referenced by START_TEST().

NtGdiEngDeletePalette()

__kernel_entry BOOL APIENTRY NtGdiEngDeletePalette

(

_In_ HPALETTE

hPal

)

Definition at line 1317 of file palette.c.

{
    return EngDeletePalette(hPal);
}

NtGdiGetColorAdjustment()

BOOL APIENTRY NtGdiGetColorAdjustment	(	HDC	hdc,
		LPCOLORADJUSTMENT	pca
	)

Definition at line 642 of file palette.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

NtGdiGetNearestColor()

COLORREF APIENTRY NtGdiGetNearestColor	(	_In_ HDC	hDC,
		_In_ COLORREF	Color
	)

FIXME: shouldn't dereference pSurface while the PDEV is not locked

Definition at line 662 of file palette.c.

{
    COLORREF nearest = CLR_INVALID;
    PDC dc;
    EXLATEOBJ exlo;
    PPALETTE ppal;

    dc = DC_LockDc(hDC);

    if(dc == NULL)
    {
        EngSetLastError(ERROR_INVALID_HANDLE);
        return CLR_INVALID;
    }

    if(dc->dclevel.pSurface == NULL)
        ppal = gppalMono;
    else
        ppal = dc->dclevel.pSurface->ppal;

    /* Translate the color to the DC format */
    Color = TranslateCOLORREF(dc, Color);

    /* XLATE it back to RGB color space */
    EXLATEOBJ_vInitialize(&exlo,
        ppal,
        &gpalRGB,
        0,
        RGB(0xff, 0xff, 0xff),
        RGB(0, 0, 0));

    nearest = XLATEOBJ_iXlate(&exlo.xlo, Color);

    EXLATEOBJ_vCleanup(&exlo);

    /* We're done */
    DC_UnlockDc(dc);

   return nearest;
}

NtGdiGetNearestPaletteIndex()

UINT APIENTRY NtGdiGetNearestPaletteIndex	(	HPALETTE	hpal,
		COLORREF	crColor
	)

Definition at line 708 of file palette.c.

{
    PPALETTE ppal = PALETTE_ShareLockPalette(hpal);
    UINT index  = 0;

    if (ppal)
    {
        if (ppal->flFlags & PAL_INDEXED)
        {
            /* Return closest match for the given RGB color */
            index = PALETTE_ulGetNearestPaletteIndex(ppal, crColor);
        }
        // else SetLastError ?
        PALETTE_ShareUnlockPalette(ppal);
    }

    return index;
}

NtGdiGetSystemPaletteUse()

UINT APIENTRY NtGdiGetSystemPaletteUse

(

HDC

hDC

)

Definition at line 1203 of file palette.c.

{
    return SystemPaletteUse;
}

NtGdiResizePalette()

BOOL APIENTRY NtGdiResizePalette	(	HPALETTE	hpal,
		UINT	Entries
	)

Definition at line 595 of file palette.c.

{
/*  PALOBJ *palPtr = (PALOBJ*)AccessUserObject(hPal);
  UINT cPrevEnt, prevVer;
  INT prevsize, size = sizeof(LOGPALETTE) + (cEntries - 1) * sizeof(PALETTEENTRY);
  XLATEOBJ *XlateObj = NULL;

  if(!palPtr) return FALSE;
  cPrevEnt = palPtr->logpalette->palNumEntries;
  prevVer = palPtr->logpalette->palVersion;
  prevsize = sizeof(LOGPALETTE) + (cPrevEnt - 1) * sizeof(PALETTEENTRY) + sizeof(int*) + sizeof(GDIOBJHDR);
  size += sizeof(int*) + sizeof(GDIOBJHDR);
  XlateObj = palPtr->logicalToSystem;

  if (!(palPtr = GDI_ReallocObject(size, hPal, palPtr))) return FALSE;

  if(XlateObj)
  {
    XLATEOBJ *NewXlateObj = (int*) HeapReAlloc(GetProcessHeap(), 0, XlateObj, cEntries * sizeof(int));
    if(NewXlateObj == NULL)
    {
      ERR("Can not resize logicalToSystem -- out of memory!");
      GDI_ReleaseObj( hPal );
      return FALSE;
    }
    palPtr->logicalToSystem = NewXlateObj;
  }

  if(cEntries > cPrevEnt)
  {
    if(XlateObj) memset(palPtr->logicalToSystem + cPrevEnt, 0, (cEntries - cPrevEnt)*sizeof(int));
    memset( (BYTE*)palPtr + prevsize, 0, size - prevsize );
    PALETTE_ValidateFlags((PALETTEENTRY*)((BYTE*)palPtr + prevsize), cEntries - cPrevEnt );
  }
  palPtr->logpalette->palNumEntries = cEntries;
  palPtr->logpalette->palVersion = prevVer;
//    GDI_ReleaseObj( hPal );
  return TRUE; */

  UNIMPLEMENTED;
  return FALSE;
}

Referenced by ResizePalette().

NtGdiSetColorAdjustment()

BOOL APIENTRY NtGdiSetColorAdjustment	(	HDC	hdc,
		LPCOLORADJUSTMENT	pca
	)

Definition at line 652 of file palette.c.

{
    UNIMPLEMENTED;
    return FALSE;
}

NtGdiSetSystemPaletteUse()

UINT APIENTRY NtGdiSetSystemPaletteUse	(	HDC	hDC,
		UINT	Usage
	)

Definition at line 1176 of file palette.c.

{
    UINT old = SystemPaletteUse;

    /* Device doesn't support colour palettes */
    if (!(NtGdiGetDeviceCaps(hDC, RASTERCAPS) & RC_PALETTE)) {
        return SYSPAL_ERROR;
    }

    switch (Usage)
    {
        case SYSPAL_NOSTATIC:
        case SYSPAL_NOSTATIC256:
        case SYSPAL_STATIC:
                SystemPaletteUse = Usage;
                break;

        default:
                old=SYSPAL_ERROR;
                break;
    }

 return old;
}

NtGdiUnrealizeObject()

BOOL APIENTRY NtGdiUnrealizeObject

(

HGDIOBJ

hgdiobj

)

Definition at line 1247 of file palette.c.

{
   BOOL Ret = FALSE;
   PPALETTE palGDI;

   if ( !hgdiobj ||
        ((UINT_PTR)hgdiobj & GDI_HANDLE_STOCK_MASK) ||
        !GDI_HANDLE_IS_TYPE(hgdiobj, GDI_OBJECT_TYPE_PALETTE) )
      return Ret;

   palGDI = PALETTE_ShareLockPalette(hgdiobj);
   if (!palGDI) return FALSE;

   // FIXME!!
   // Need to do something!!!
   // Zero out Current and Old Translated pointers?
   //
   Ret = TRUE;
   PALETTE_ShareUnlockPalette(palGDI);
   return Ret;
}

NtGdiUpdateColors()

BOOL APIENTRY NtGdiUpdateColors

(

HDC

hDC

)

Definition at line 1210 of file palette.c.

{
   PWND Wnd;
   BOOL calledFromUser, ret;
   USER_REFERENCE_ENTRY Ref;

   calledFromUser = UserIsEntered();

   if (!calledFromUser){
      UserEnterExclusive();
   }

   Wnd = UserGetWindowObject(IntWindowFromDC(hDC));
   if (Wnd == NULL)
   {
      EngSetLastError(ERROR_INVALID_WINDOW_HANDLE);

      if (!calledFromUser){
         UserLeave();
      }

      return FALSE;
   }

   UserRefObjectCo(Wnd, &Ref);
   ret = co_UserRedrawWindow(Wnd, NULL, 0, RDW_INVALIDATE);
   UserDerefObjectCo(Wnd);

   if (!calledFromUser){
      UserLeave();
   }

   return ret;
}

Referenced by UpdateColors().

PALETTE_AllocPalette()

PPALETTE NTAPI PALETTE_AllocPalette	(	_In_ ULONG	iMode,
		_In_ ULONG	cColors,
		_In_opt_ const PALETTEENTRY *	pEntries,
		_In_ FLONG	flRed,
		_In_ FLONG	flGreen,
		_In_ FLONG	flBlue
	)

Definition at line 135 of file palette.c.

{
    PPALETTE ppal;
    ULONG fl = 0, cjSize = sizeof(PALETTE);

    /* Check if the palette has entries */
    if (iMode & PAL_INDEXED)
    {
        /* Check color count */
        if ((cColors == 0) || (cColors > 1024)) return NULL;

        /* Allocate enough space for the palete entries */
        cjSize += cColors * sizeof(PALETTEENTRY);
    }
    else
    {
        /* There are no palette entries */
        cColors = 0;

        /* We can use the lookaside list */
        fl |= BASEFLAG_LOOKASIDE;
    }

    /* Allocate the object (without a handle!) */
    ppal = (PPALETTE)GDIOBJ_AllocateObject(GDIObjType_PAL_TYPE, cjSize, fl);
    if (!ppal)
    {
        return NULL;
    }

    /* Set mode, color count and entry pointer */
    ppal->flFlags = iMode;
    ppal->NumColors = cColors;
    ppal->IndexedColors = ppal->apalColors;

    /* Check what kind of palette this is */
    if (iMode & PAL_INDEXED)
    {
        /* Check if we got a color array */
        if (pEntries)
        {
            /* Copy the entries */
            RtlCopyMemory(ppal->IndexedColors, pEntries, cColors * sizeof(pEntries[0]));
        }
    }
    else if (iMode & PAL_BITFIELDS)
    {
        /* Copy the color masks */
        ppal->RedMask = flRed;
        ppal->GreenMask = flGreen;
        ppal->BlueMask = flBlue;

        /* Check what masks we have and set optimization flags */
        if ((flRed == 0x7c00) && (flGreen == 0x3E0) && (flBlue == 0x1F))
            ppal->flFlags |= PAL_RGB16_555;
        else if ((flRed == 0xF800) && (flGreen == 0x7E0) && (flBlue == 0x1F))
            ppal->flFlags |= PAL_RGB16_565;
        else if ((flRed == 0xFF0000) && (flGreen == 0xFF00) && (flBlue == 0xFF))
            ppal->flFlags |= PAL_BGR;
        else if ((flRed == 0xFF) && (flGreen == 0xFF00) && (flBlue == 0xFF0000))
            ppal->flFlags |= PAL_RGB;
    }

    return ppal;
}

Referenced by CreateDIBPalette(), EngCreatePalette(), FixupDIBBrushPalette(), InitPaletteImpl(), NtGdiDdDDICreateDCFromMemory(), and PALETTE_AllocPalWithHandle().

PALETTE_AllocPalWithHandle()

PPALETTE NTAPI PALETTE_AllocPalWithHandle	(	_In_ ULONG	iMode,
		_In_ ULONG	cColors,
		_In_opt_ const PALETTEENTRY *	pEntries,
		_In_ FLONG	flRed,
		_In_ FLONG	flGreen,
		_In_ FLONG	flBlue
	)

Definition at line 209 of file palette.c.

{
    PPALETTE ppal;

    /* Allocate the palette without a handle */
    ppal = PALETTE_AllocPalette(iMode, cColors, pEntries, flRed, flGreen, flBlue);
    if (!ppal) return NULL;

    /* Insert the palette into the handle table */
    if (!GDIOBJ_hInsertObject(&ppal->BaseObject, GDI_OBJ_HMGR_POWNED))
    {
        DPRINT1("Could not insert palette into handle table.\n");
        GDIOBJ_vFreeObject(&ppal->BaseObject);
        return NULL;
    }

    return ppal;
}

Referenced by DIB_MapPaletteColors(), GreCreatePaletteInternal(), InitPaletteImpl(), NtGdiCreateHalftonePalette(), and NtGdiCreatePaletteInternal().

PALETTE_GetObject()

INT FASTCALL PALETTE_GetObject	(	PPALETTE	ppal,
		INT	cbCount,
		LPLOGBRUSH	lpBuffer
	)

Definition at line 247 of file palette.c.

{
    if (!lpBuffer)
    {
        return sizeof(WORD);
    }

    if ((UINT)cbCount < sizeof(WORD)) return 0;
    *((WORD*)lpBuffer) = (WORD)ppal->NumColors;
    return sizeof(WORD);
}

Referenced by GreGetObject().

PALETTE_ulGetNearestBitFieldsIndex()

ULONG NTAPI PALETTE_ulGetNearestBitFieldsIndex	(	PALETTE *	ppal,
		ULONG	ulColor
	)

Definition at line 294 of file palette.c.

{
    ULONG ulNewColor;

    // FIXME: HACK, should be stored already
    ppal->ulRedShift = CalculateShift(RGB(0xff,0,0), ppal->RedMask);
    ppal->ulGreenShift = CalculateShift(RGB(0,0xff,0), ppal->GreenMask);
    ppal->ulBlueShift = CalculateShift(RGB(0,0,0xff), ppal->BlueMask);

    ulNewColor = _rotl(ulColor, ppal->ulRedShift) & ppal->RedMask;
    ulNewColor |= _rotl(ulColor, ppal->ulGreenShift) & ppal->GreenMask;
    ulNewColor |= _rotl(ulColor, ppal->ulBlueShift) & ppal->BlueMask;

   return ulNewColor;
}

Referenced by EXLATEOBJ_vInitialize(), and PALETTE_ulGetNearestIndex().

PALETTE_ulGetNearestIndex()

ULONG NTAPI PALETTE_ulGetNearestIndex	(	PALETTE *	ppal,
		ULONG	ulColor
	)

Definition at line 312 of file palette.c.

{
    if (ppal->flFlags & PAL_INDEXED) // Use fl & PALINDEXED
        return PALETTE_ulGetNearestPaletteIndex(ppal, ulColor);
    else
        return PALETTE_ulGetNearestBitFieldsIndex(ppal, ulColor);
}

Referenced by EXLATEOBJ_vInitialize(), and TranslateCOLORREF().

PALETTE_ulGetNearestPaletteIndex()

ULONG NTAPI PALETTE_ulGetNearestPaletteIndex	(	PALETTE *	ppal,
		ULONG	iColor
	)

Definition at line 261 of file palette.c.

{
    ULONG ulDiff, ulColorDiff, ulMinimalDiff = 0xFFFFFF;
    ULONG i, ulBestIndex = 0;
    PALETTEENTRY peColor = *(PPALETTEENTRY)&iColor;

    /* Loop all palette entries */
    for (i = 0; i < ppal->NumColors; i++)
    {
        /* Calculate distance in the color cube */
        ulDiff = peColor.peRed - ppal->IndexedColors[i].peRed;
        ulColorDiff = ulDiff * ulDiff;
        ulDiff = peColor.peGreen - ppal->IndexedColors[i].peGreen;
        ulColorDiff += ulDiff * ulDiff;
        ulDiff = peColor.peBlue - ppal->IndexedColors[i].peBlue;
        ulColorDiff += ulDiff * ulDiff;

        /* Check for a better match */
        if (ulColorDiff < ulMinimalDiff)
        {
            ulBestIndex = i;
            ulMinimalDiff = ulColorDiff;

            /* Break on exact match */
            if (ulMinimalDiff == 0) break;
        }
    }

    return ulBestIndex;
}

Referenced by EXLATEOBJ_vInitialize(), NtGdiGetNearestPaletteIndex(), and PALETTE_ulGetNearestIndex().

PALETTE_ValidateFlags()

VOID FASTCALL PALETTE_ValidateFlags	(	PALETTEENTRY *	lpPalE,
		INT	size
	)

Definition at line 125 of file palette.c.

{
    int i = 0;
    for (; i<size ; i++)
        lpPalE[i].peFlags = PC_SYS_USED | (lpPalE[i].peFlags & 0x07);
}

Referenced by GreCreatePaletteInternal(), IntAnimatePalette(), and NtGdiCreatePaletteInternal().

PALETTE_vCleanup()

VOID NTAPI PALETTE_vCleanup

(

PVOID

ObjectBody

)

Definition at line 236 of file palette.c.

{
    PPALETTE pPal = (PPALETTE)ObjectBody;
    if (pPal->IndexedColors && pPal->IndexedColors != pPal->apalColors)
    {
        ExFreePoolWithTag(pPal->IndexedColors, TAG_PALETTE);
    }
}

PALETTE_vGetBitMasks()

VOID NTAPI PALETTE_vGetBitMasks	(	PPALETTE	ppal,
		PULONG	pulColors
	)

Definition at line 322 of file palette.c.

{
    ASSERT(pulColors);

    if (ppal->flFlags & PAL_INDEXED || ppal->flFlags & PAL_RGB)
    {
        pulColors[0] = RGB(0xFF, 0x00, 0x00);
        pulColors[1] = RGB(0x00, 0xFF, 0x00);
        pulColors[2] = RGB(0x00, 0x00, 0xFF);
    }
    else if (ppal->flFlags & PAL_BGR)
    {
        pulColors[0] = RGB(0x00, 0x00, 0xFF);
        pulColors[1] = RGB(0x00, 0xFF, 0x00);
        pulColors[2] = RGB(0xFF, 0x00, 0x00);
    }
    else if (ppal->flFlags & PAL_BITFIELDS)
    {
        pulColors[0] = ppal->RedMask;
        pulColors[1] = ppal->GreenMask;
        pulColors[2] = ppal->BlueMask;
    }
}

Referenced by EXLATEOBJ_vInitialize().

PALOBJ_cGetColors()

ULONG APIENTRY PALOBJ_cGetColors	(	PALOBJ *	PalObj,
		ULONG	Start,
		ULONG	Colors,
		ULONG *	PaletteEntry
	)

Definition at line 423 of file palette.c.

{
    PALETTE *PalGDI;

    PalGDI = (PALETTE*)PalObj;

    if (Start >= PalGDI->NumColors)
        return 0;

    Colors = min(Colors, PalGDI->NumColors - Start);

    /* NOTE: PaletteEntry ULONGs are in the same order as PALETTEENTRY. */
    RtlCopyMemory(PaletteEntry, PalGDI->IndexedColors + Start, sizeof(ULONG) * Colors);

    if (PalGDI->flFlags & PAL_GAMMACORRECTION)
        ColorCorrection(PalGDI, (PPALETTEENTRY)PaletteEntry, Colors);

    return Colors;
}

Referenced by DrvSetPalette().

Variable Documentation

appalSurfaceDefault

PPALETTE appalSurfaceDefault[11]

Definition at line 21 of file palette.c.

Referenced by InitPaletteImpl(), and SURFACE_AllocSurface().

g_sysPalTemplate

const PALETTEENTRY g_sysPalTemplate[NB_RESERVED_COLORS]

Initial value:

=
{
  
  
  { 0x00, 0x00, 0x00, PC_SYS_USED },
  { 0x80, 0x00, 0x00, PC_SYS_USED },
  { 0x00, 0x80, 0x00, PC_SYS_USED },
  { 0x80, 0x80, 0x00, PC_SYS_USED },
  { 0x00, 0x00, 0x80, PC_SYS_USED },
  { 0x80, 0x00, 0x80, PC_SYS_USED },
  { 0x00, 0x80, 0x80, PC_SYS_USED },
  { 0xc0, 0xc0, 0xc0, PC_SYS_USED },
  { 0xc0, 0xdc, 0xc0, PC_SYS_USED },
  { 0xa6, 0xca, 0xf0, PC_SYS_USED },

  
  
  

  { 0xff, 0xfb, 0xf0, PC_SYS_USED },
  { 0xa0, 0xa0, 0xa4, PC_SYS_USED },
  { 0x80, 0x80, 0x80, PC_SYS_USED },
  { 0xff, 0x00, 0x00, PC_SYS_USED },
  { 0x00, 0xff, 0x00, PC_SYS_USED },
  { 0xff, 0xff, 0x00, PC_SYS_USED },
  { 0x00, 0x00, 0xff, PC_SYS_USED },
  { 0xff, 0x00, 0xff, PC_SYS_USED },
  { 0x00, 0xff, 0xff, PC_SYS_USED },
  { 0xff, 0xff, 0xff, PC_SYS_USED }     
}

Definition at line 23 of file palette.c.

Referenced by InitPaletteImpl(), and NtGdiCreateHalftonePalette().

gpalBGR

PALETTE gpalBGR

Definition at line 20 of file palette.c.

Referenced by InitPaletteImpl().

gpalRGB

PALETTE gpalRGB

Definition at line 20 of file palette.c.

Referenced by DIB_16BPP_AlphaBlend(), DIB_XXBPP_AlphaBlend(), EBRUSHOBJ_vSetSolidRGBColor(), EngSetPointerShape(), EXLATEOBJ_vInitialize(), GreGradientFill(), InitPaletteImpl(), IntExtTextOutW(), IntShowMousePointer(), NtGdiExtFloodFill(), NtGdiGetNearestColor(), NtGdiGetPixel(), NtGdiSetPixel(), NtGdiTransparentBlt(), and TranslateCOLORREF().

gpalRGB555

PALETTE gpalRGB555

Definition at line 20 of file palette.c.

Referenced by InitPaletteImpl().

gpalRGB565

PALETTE gpalRGB565

Definition at line 20 of file palette.c.

Referenced by InitPaletteImpl().

gppalDefault

PALETTE * gppalDefault

Definition at line 20 of file palette.c.

Referenced by CreateDIBPalette(), CreateStockObjects(), EBRUSHOBJ_vInit(), and InitPaletteImpl().

gppalMono

PALETTE * gppalMono

Definition at line 20 of file palette.c.

Referenced by EngSetPointerShape(), EXLATEOBJ_vInitSrcMonoXlate(), EXLATEOBJ_vInitXlateFromDCs(), GreGetSetColorTable(), InitPaletteImpl(), and NtGdiGetNearestColor().

SystemPaletteUse

UINT SystemPaletteUse = SYSPAL_NOSTATIC

static

Definition at line 18 of file palette.c.

Referenced by NtGdiGetSystemPaletteUse(), and NtGdiSetSystemPaletteUse().