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

   1 #pragma once
   2
   3 #define PALETTE_FIXED    0x0001 /* read-only colormap - have to use XAllocColor (if not virtual) */
   4 #define PALETTE_VIRTUAL  0x0002 /* no mapping needed - pixel == pixel color */
   5
   6 #define PALETTE_PRIVATE  0x1000 /* private colormap, identity mapping */
   7 #define PALETTE_WHITESET 0x2000
   8
   9 // Palette mode flags
  10 #ifndef __WINDDI_H // Defined in ddk/winddi.h
  11 #define PAL_INDEXED         0x00000001 // Indexed palette
  12 #define PAL_BITFIELDS       0x00000002 // Bit fields used for DIB, DIB section
  13 #define PAL_RGB             0x00000004 // Red, green, blue
  14 #define PAL_BGR             0x00000008 // Blue, green, red
  15 #define PAL_CMYK            0x00000010 // Cyan, magenta, yellow, black
  16 #endif
  17 #define PAL_DC              0x00000100
  18 #define PAL_FIXED           0x00000200 // Can't be changed
  19 #define PAL_FREE            0x00000400
  20 #define PAL_MANAGED         0x00000800
  21 #define PAL_NOSTATIC        0x00001000
  22 #define PAL_MONOCHROME      0x00002000 // Two colors only
  23 #define PAL_BRUSHHACK       0x00004000
  24 #define PAL_DIBSECTION      0x00008000 // Used for a DIB section
  25 #define PAL_NOSTATIC256     0x00010000
  26 #define PAL_HT              0x00100000 // Halftone palette
  27 #define PAL_RGB16_555       0x00200000 // 16-bit RGB in 555 format
  28 #define PAL_RGB16_565       0x00400000 // 16-bit RGB in 565 format
  29 #define PAL_GAMMACORRECTION 0x00800000 // Correct colors
  30
  31
  32 typedef struct _PALETTE
  33 {
  34   /* Header for all gdi objects in the handle table.
  35      Do not (re)move this. */
  36   BASEOBJECT    BaseObject;
  37
  38   PALOBJ PalObj;
  39   XLATEOBJ *logicalToSystem;
  40   HPALETTE Self;
  41   FLONG flFlags; // PAL_INDEXED, PAL_BITFIELDS, PAL_RGB, PAL_BGR
  42   ULONG NumColors;
  43   PALETTEENTRY *IndexedColors;
  44   ULONG RedMask;
  45   ULONG GreenMask;
  46   ULONG BlueMask;
  47   ULONG ulRedShift;
  48   ULONG ulGreenShift;
  49   ULONG ulBlueShift;
  50   HDEV  hPDev;
  51 } PALETTE, *PPALETTE;
  52
  53 extern PALETTE gpalRGB, gpalBGR, gpalMono, gpalRGB555, gpalRGB565, *gppalDefault;
  54 extern PPALETTE appalSurfaceDefault[];
  55
  56 HPALETTE FASTCALL PALETTE_AllocPalette(ULONG Mode,
  57                                        ULONG NumColors,
  58                                        ULONG *Colors,
  59                                        ULONG Red,
  60                                        ULONG Green,
  61                                        ULONG Blue);
  62 HPALETTE FASTCALL PALETTE_AllocPaletteIndexedRGB(ULONG NumColors,
  63                                                  CONST RGBQUAD *Colors);
  64 #define  PALETTE_FreePalette(pPalette)  GDIOBJ_FreeObj((POBJ)pPalette, GDIObjType_PAL_TYPE)
  65 #define  PALETTE_FreePaletteByHandle(hPalette)  GDIOBJ_FreeObjByHandle((HGDIOBJ)hPalette, GDI_OBJECT_TYPE_PALETTE)
  66 #define  PALETTE_UnlockPalette(pPalette) GDIOBJ_vUnlockObject((POBJ)pPalette)
  67
  68 #define  PALETTE_ShareLockPalette(hpal) \
  69   ((PPALETTE)GDIOBJ_ShareLockObj((HGDIOBJ)hpal, GDI_OBJECT_TYPE_PALETTE))
  70 #define  PALETTE_ShareUnlockPalette(ppal)  \
  71   GDIOBJ_vDereferenceObject(&ppal->BaseObject)
  72
  73 BOOL NTAPI PALETTE_Cleanup(PVOID ObjectBody);
  74 INIT_FUNCTION NTSTATUS NTAPI InitPaletteImpl(VOID);
  75 VOID     FASTCALL PALETTE_ValidateFlags (PALETTEENTRY* lpPalE, INT size);
  76 INT      FASTCALL PALETTE_ToPhysical (PDC dc, COLORREF color);
  77
  78 INT FASTCALL PALETTE_GetObject(PPALETTE pGdiObject, INT cbCount, LPLOGBRUSH lpBuffer);
  79 ULONG NTAPI PALETTE_ulGetNearestPaletteIndex(PALETTE* ppal, ULONG iColor);
  80 ULONG NTAPI PALETTE_ulGetNearestIndex(PALETTE* ppal, ULONG iColor);
  81 ULONG NTAPI PALETTE_ulGetNearestBitFieldsIndex(PALETTE* ppal, ULONG ulColor);
  82 VOID NTAPI PALETTE_vGetBitMasks(PPALETTE ppal, PULONG pulColors);
  83
  84 PPALETTEENTRY FASTCALL ReturnSystemPalette (VOID);
  85 HPALETTE FASTCALL GdiSelectPalette(HDC, HPALETTE, BOOL);
  86
  87 ULONG
  88 FORCEINLINE
  89 CalculateShift(ULONG ulMask1, ULONG ulMask2)
  90 {
  91     ULONG ulShift1, ulShift2;
  92     BitScanReverse(&ulShift1, ulMask1);
  93     BitScanReverse(&ulShift2, ulMask2);
  94     ulShift2 -= ulShift1;
  95     if ((INT)ulShift2 < 0) ulShift2 += 32;
  96     return ulShift2;
  97 }
  98
  99 FORCEINLINE
 100 ULONG
 101 PALETTE_ulGetRGBColorFromIndex(PPALETTE ppal, ULONG ulIndex)
 102 {
 103     return RGB(ppal->IndexedColors[ulIndex].peRed,
 104                ppal->IndexedColors[ulIndex].peGreen,
 105                ppal->IndexedColors[ulIndex].peBlue);
 106 }