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