reactos/subsystems/win32/win32k/include/palette.h
Timo Kreuzer 5f2d67cb35 Sync to trunk head (r47736)
svn path=/branches/reactos-yarotows/; revision=47746
2010-06-10 20:57:03 +00:00

110 lines
4.1 KiB
C

#pragma once
#include <include/dc.h>
#define PALETTE_FIXED 0x0001 /* read-only colormap - have to use XAllocColor (if not virtual) */
#define PALETTE_VIRTUAL 0x0002 /* no mapping needed - pixel == pixel color */
#define PALETTE_PRIVATE 0x1000 /* private colormap, identity mapping */
#define PALETTE_WHITESET 0x2000
// Palette mode flags
#ifndef __WINDDI_H // Defined in ddk/winddi.h
#define PAL_INDEXED 0x00000001 // Indexed palette
#define PAL_BITFIELDS 0x00000002 // Bit fields used for DIB, DIB section
#define PAL_RGB 0x00000004 // Red, green, blue
#define PAL_BGR 0x00000008 // Blue, green, red
#define PAL_CMYK 0x00000010 // Cyan, magenta, yellow, black
#endif
#define PAL_DC 0x00000100
#define PAL_FIXED 0x00000200 // Can't be changed
#define PAL_FREE 0x00000400
#define PAL_MANAGED 0x00000800
#define PAL_NOSTATIC 0x00001000
#define PAL_MONOCHROME 0x00002000 // Two colors only
#define PAL_BRUSHHACK 0x00004000
#define PAL_DIBSECTION 0x00008000 // Used for a DIB section
#define PAL_NOSTATIC256 0x00010000
#define PAL_HT 0x00100000 // Halftone palette
#define PAL_RGB16_555 0x00200000 // 16-bit RGB in 555 format
#define PAL_RGB16_565 0x00400000 // 16-bit RGB in 565 format
#define PAL_GAMMACORRECTION 0x00800000 // Correct colors
typedef struct _PALETTE
{
/* Header for all gdi objects in the handle table.
Do not (re)move this. */
BASEOBJECT BaseObject;
PALOBJ PalObj;
XLATEOBJ *logicalToSystem;
HPALETTE Self;
ULONG Mode; // PAL_INDEXED, PAL_BITFIELDS, PAL_RGB, PAL_BGR
ULONG NumColors;
PALETTEENTRY *IndexedColors;
ULONG RedMask;
ULONG GreenMask;
ULONG BlueMask;
ULONG ulRedShift;
ULONG ulGreenShift;
ULONG ulBlueShift;
HDEV hPDev;
} PALETTE, *PPALETTE;
extern PALETTE gpalRGB, gpalBGR, gpalMono, gpalRGB555, gpalRGB565, *gppalDefault;
extern PPALETTE appalSurfaceDefault[];
HPALETTE FASTCALL PALETTE_AllocPalette(ULONG Mode,
ULONG NumColors,
ULONG *Colors,
ULONG Red,
ULONG Green,
ULONG Blue);
HPALETTE FASTCALL PALETTE_AllocPaletteIndexedRGB(ULONG NumColors,
CONST RGBQUAD *Colors);
#define PALETTE_FreePalette(pPalette) GDIOBJ_FreeObj((POBJ)pPalette, GDIObjType_PAL_TYPE)
#define PALETTE_FreePaletteByHandle(hPalette) GDIOBJ_FreeObjByHandle((HGDIOBJ)hPalette, GDI_OBJECT_TYPE_PALETTE)
#define PALETTE_LockPalette(hPalette) ((PPALETTE)GDIOBJ_LockObj((HGDIOBJ)hPalette, GDI_OBJECT_TYPE_PALETTE))
#define PALETTE_UnlockPalette(pPalette) GDIOBJ_UnlockObjByPtr((POBJ)pPalette)
#define PALETTE_ShareLockPalette(hpal) \
((PPALETTE)GDIOBJ_ShareLockObj((HGDIOBJ)hpal, GDI_OBJECT_TYPE_PALETTE))
#define PALETTE_ShareUnlockPalette(ppal) \
GDIOBJ_ShareUnlockObjByPtr(&ppal->BaseObject)
BOOL INTERNAL_CALL PALETTE_Cleanup(PVOID ObjectBody);
HPALETTE FASTCALL PALETTE_Init (VOID);
VOID FASTCALL PALETTE_ValidateFlags (PALETTEENTRY* lpPalE, INT size);
INT FASTCALL PALETTE_ToPhysical (PDC dc, COLORREF color);
INT FASTCALL PALETTE_GetObject(PPALETTE pGdiObject, INT cbCount, LPLOGBRUSH lpBuffer);
ULONG NTAPI PALETTE_ulGetNearestPaletteIndex(PALETTE* ppal, ULONG iColor);
ULONG NTAPI PALETTE_ulGetNearestIndex(PALETTE* ppal, ULONG iColor);
VOID NTAPI PALETTE_vGetBitMasks(PPALETTE ppal, PULONG pulColors);
PPALETTEENTRY FASTCALL ReturnSystemPalette (VOID);
HPALETTE FASTCALL GdiSelectPalette(HDC, HPALETTE, BOOL);
ULONG
FORCEINLINE
CalculateShift(ULONG ulMask1, ULONG ulMask2)
{
ULONG ulShift1, ulShift2;
BitScanReverse(&ulShift1, ulMask1);
BitScanReverse(&ulShift2, ulMask2);
ulShift2 -= ulShift1;
if ((INT)ulShift2 < 0) ulShift2 += 32;
return ulShift2;
}
FORCEINLINE
ULONG
PALETTE_ulGetRGBColorFromIndex(PPALETTE ppal, ULONG ulIndex)
{
return RGB(ppal->IndexedColors[ulIndex].peRed,
ppal->IndexedColors[ulIndex].peGreen,
ppal->IndexedColors[ulIndex].peBlue);
}