reactos/subsystems/win32/win32k/include/palette.h

   1 #ifndef _WIN32K_PALETTE_H
   2 #define _WIN32K_PALETTE_H
   3
   4 #include <include/dc.h>
   5
   6 #define NO_MAPPING
   7
   8 #define PALETTE_FIXED    0x0001 /* read-only colormap - have to use XAllocColor (if not virtual) */
   9 #define PALETTE_VIRTUAL  0x0002 /* no mapping needed - pixel == pixel color */
  10
  11 #define PALETTE_PRIVATE  0x1000 /* private colormap, identity mapping */
  12 #define PALETTE_WHITESET 0x2000
  13
  14 // Palette mode flags
  15 #ifndef __WINDDI_H // Defined in ddk/winddi.h
  16 #define PAL_INDEXED         0x00000001 // Indexed palette
  17 #define PAL_BITFIELDS       0x00000002 // Bit fields used for DIB, DIB section
  18 #define PAL_RGB             0x00000004 // Red, green, blue
  19 #define PAL_BGR             0x00000008 // Blue, green, red
  20 #define PAL_CMYK            0x00000010 // Cyan, magenta, yellow, black
  21 #endif
  22 #define PAL_DC              0x00000100
  23 #define PAL_FIXED           0x00000200 // Can't be changed
  24 #define PAL_FREE            0x00000400
  25 #define PAL_MANAGED         0x00000800
  26 #define PAL_NOSTATIC        0x00001000
  27 #define PAL_MONOCHROME      0x00002000 // Two colors only
  28 #define PAL_BRUSHHACK       0x00004000
  29 #define PAL_DIBSECTION      0x00008000 // Used for a DIB section
  30 #define PAL_NOSTATIC256     0x00010000
  31 #define PAL_HT              0x00100000 // Halftone palette
  32 #define PAL_RGB16_555       0x00200000 // 16-bit RGB in 555 format
  33 #define PAL_RGB16_565       0x00400000 // 16-bit RGB in 565 format
  34 #define PAL_GAMMACORRECTION 0x00800000 // Correct colors
  35
  36
  37 typedef struct _PALETTE
  38 {
  39   /* Header for all gdi objects in the handle table.
  40      Do not (re)move this. */
  41   BASEOBJECT    BaseObject;
  42
  43   PALOBJ PalObj;
  44   XLATEOBJ *logicalToSystem;
  45   HPALETTE Self;
  46   ULONG Mode; // PAL_INDEXED, PAL_BITFIELDS, PAL_RGB, PAL_BGR
  47   ULONG NumColors;
  48   PALETTEENTRY *IndexedColors;
  49   ULONG RedMask;
  50   ULONG GreenMask;
  51   ULONG BlueMask;
  52   ULONG ulRedShift;
  53   ULONG ulGreenShift;
  54   ULONG ulBlueShift;
  55   HDEV  hPDev;
  56 } PALETTE, *PPALETTE;
  57
  58 extern PALETTE gpalRGB, gpalBGR, gpalMono;
  59
  60
  61 HPALETTE FASTCALL PALETTE_AllocPalette(ULONG Mode,
  62                                        ULONG NumColors,
  63                                        ULONG *Colors,
  64                                        ULONG Red,
  65                                        ULONG Green,
  66                                        ULONG Blue);
  67 HPALETTE FASTCALL PALETTE_AllocPaletteIndexedRGB(ULONG NumColors,
  68                                                  CONST RGBQUAD *Colors);
  69 #define  PALETTE_FreePalette(pPalette)  GDIOBJ_FreeObj((POBJ)pPalette, GDIObjType_PAL_TYPE)
  70 #define  PALETTE_FreePaletteByHandle(hPalette)  GDIOBJ_FreeObjByHandle((HGDIOBJ)hPalette, GDI_OBJECT_TYPE_PALETTE)
  71 #define  PALETTE_LockPalette(hPalette) ((PPALETTE)GDIOBJ_LockObj((HGDIOBJ)hPalette, GDI_OBJECT_TYPE_PALETTE))
  72 #define  PALETTE_UnlockPalette(pPalette) GDIOBJ_UnlockObjByPtr((POBJ)pPalette)
  73
  74 #define  PALETTE_ShareLockPalette(hpal) \
  75   ((PPALETTE)GDIOBJ_ShareLockObj((HGDIOBJ)hpal, GDI_OBJECT_TYPE_PALETTE))
  76 #define  PALETTE_ShareUnlockPalette(ppal)  \
  77   GDIOBJ_ShareUnlockObjByPtr(&ppal->BaseObject)
  78
  79 BOOL INTERNAL_CALL PALETTE_Cleanup(PVOID ObjectBody);
  80
  81 HPALETTE FASTCALL PALETTE_Init (VOID);
  82 VOID     FASTCALL PALETTE_ValidateFlags (PALETTEENTRY* lpPalE, INT size);
  83 #ifndef NO_MAPPING
  84 INT      APIENTRY  PALETTE_SetMapping(PALOBJ* palPtr, UINT uStart, UINT uNum, BOOL mapOnly);
  85 #endif
  86 INT      FASTCALL PALETTE_ToPhysical (PDC dc, COLORREF color);
  87
  88 INT FASTCALL PALETTE_GetObject(PPALETTE pGdiObject, INT cbCount, LPLOGBRUSH lpBuffer);
  89 ULONG NTAPI PALETTE_ulGetNearestPaletteIndex(PALETTE* ppal, ULONG iColor);
  90 ULONG NTAPI PALETTE_ulGetNearestIndex(PALETTE* ppal, ULONG iColor);
  91 VOID NTAPI PALETTE_vGetBitMasks(PPALETTE ppal, PULONG pulColors);
  92
  93 PPALETTEENTRY FASTCALL ReturnSystemPalette (VOID);
  94 HPALETTE FASTCALL GdiSelectPalette(HDC, HPALETTE, BOOL);
  95
  96 ULONG
  97 FORCEINLINE
  98 CalculateShift(ULONG ulMask1, ULONG ulMask2)
  99 {
 100     ULONG ulShift1, ulShift2;
 101     BitScanReverse(&ulShift1, ulMask1);
 102     BitScanReverse(&ulShift2, ulMask2);
 103     ulShift2 -= ulShift1;
 104     if ((INT)ulShift2 < 0) ulShift2 += 32;
 105     return ulShift2;
 106 }
 107
 108 FORCEINLINE
 109 ULONG
 110 PALETTE_ulGetRGBColorFromIndex(PPALETTE ppal, ULONG ulIndex)
 111 {
 112     return RGB(ppal->IndexedColors[ulIndex].peRed,
 113                ppal->IndexedColors[ulIndex].peGreen,
 114                ppal->IndexedColors[ulIndex].peBlue);
 115 }
 116
 117 #endif /* not _WIN32K_PALETTE_H */