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5c7ce4475e
- Change INIT_FUNCTION and INIT_SECTION to CODE_SEG("INIT") and DATA_SEG("INIT") respectively
- Remove INIT_FUNCTION from function prototypes
- Remove alloc_text pragma calls as they are not needed anymore
164 lines
4 KiB
C
164 lines
4 KiB
C
#pragma once
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#ifdef _MSC_VER
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#pragma warning(disable:4200) // zero-sized array in struct/union
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#endif // _MSC_VER
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// Palette mode flags
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enum _PALFLAGS
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{
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#ifndef _WINDDI_ // Defined in ddk/winddi.h
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PAL_INDEXED = 0x00000001, // Indexed palette
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PAL_BITFIELDS = 0x00000002, // Bit fields used for DIB, DIB section
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PAL_RGB = 0x00000004, // Red, green, blue
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PAL_BGR = 0x00000008, // Blue, green, red
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PAL_CMYK = 0x00000010, // Cyan, magenta, yellow, black
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#endif
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PAL_DC = 0x00000100,
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PAL_FIXED = 0x00000200, // Can't be changed
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PAL_FREE = 0x00000400,
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PAL_MANAGED = 0x00000800,
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PAL_NOSTATIC = 0x00001000,
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PAL_MONOCHROME = 0x00002000, // Two colors only
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PAL_BRUSHHACK = 0x00004000,
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PAL_DIBSECTION = 0x00008000, // Used for a DIB section
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PAL_NOSTATIC256 = 0x00010000,
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PAL_HT = 0x00100000, // Halftone palette
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PAL_RGB16_555 = 0x00200000, // 16-bit RGB in 555 format
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PAL_RGB16_565 = 0x00400000, // 16-bit RGB in 565 format
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PAL_GAMMACORRECTION = 0x00800000, // Correct colors
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};
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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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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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PALETTEENTRY apalColors[0];
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} PALETTE, *PPALETTE;
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extern PALETTE gpalRGB, gpalBGR, gpalRGB555, gpalRGB565, *gppalMono, *gppalDefault;
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extern PPALETTE appalSurfaceDefault[];
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#define PALETTE_UnlockPalette(pPalette) GDIOBJ_vUnlockObject((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_vDereferenceObject(&ppal->BaseObject)
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NTSTATUS
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NTAPI
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InitPaletteImpl(VOID);
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PPALETTE
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NTAPI
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PALETTE_AllocPalette(
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_In_ ULONG iMode,
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_In_ ULONG cColors,
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_In_opt_ const PALETTEENTRY* pEntries,
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_In_ FLONG flRed,
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_In_ FLONG flGreen,
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_In_ FLONG flBlue);
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PPALETTE
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NTAPI
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PALETTE_AllocPalWithHandle(
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_In_ ULONG iMode,
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_In_ ULONG cColors,
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_In_opt_ const PALETTEENTRY* pEntries,
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_In_ FLONG flRed,
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_In_ FLONG flGreen,
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_In_ FLONG flBlue);
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VOID
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FASTCALL
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PALETTE_ValidateFlags(
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PALETTEENTRY* lpPalE,
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INT size);
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INT
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FASTCALL
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PALETTE_GetObject(
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PPALETTE pGdiObject,
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INT cbCount,
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LPLOGBRUSH lpBuffer);
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ULONG
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NTAPI
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PALETTE_ulGetNearestPaletteIndex(
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PPALETTE ppal,
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ULONG iColor);
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ULONG
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NTAPI
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PALETTE_ulGetNearestIndex(
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PPALETTE ppal,
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ULONG iColor);
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ULONG
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NTAPI
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PALETTE_ulGetNearestBitFieldsIndex(
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PPALETTE ppal,
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ULONG ulColor);
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VOID
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NTAPI
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PALETTE_vGetBitMasks(
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PPALETTE ppal,
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PULONG pulColors);
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VOID
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NTAPI
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PALETTE_vCleanup(PVOID ObjectBody);
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FORCEINLINE
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ULONG
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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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if (ulIndex >= ppal->NumColors) return 0;
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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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FORCEINLINE
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VOID
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PALETTE_vSetRGBColorForIndex(PPALETTE ppal, ULONG ulIndex, COLORREF crColor)
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{
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if (ulIndex >= ppal->NumColors) return;
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ppal->IndexedColors[ulIndex].peRed = GetRValue(crColor);
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ppal->IndexedColors[ulIndex].peGreen = GetGValue(crColor);
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ppal->IndexedColors[ulIndex].peBlue = GetBValue(crColor);
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}
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HPALETTE
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NTAPI
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GreCreatePaletteInternal(
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IN LPLOGPALETTE pLogPal,
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IN UINT cEntries);
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