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//-----------------------------------------------------------------------------
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// Copyright (C) 2000-2002 by Denton Woods
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// Last modified: 02/19/2002 <--Y2K Compliant! =]
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// Filename: IL/devil_internal_exports.h
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// Description: Internal stuff for DevIL (IL, ILU and ILUT)
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//-----------------------------------------------------------------------------
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#define IL_MAX(a,b) (((a) > (b)) ? (a) : (b))
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#define IL_MIN(a,b) (((a) < (b)) ? (a) : (b))
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// Basic Palette struct
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ILubyte *Palette; // the image palette (if any)
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ILuint PalSize; // size of the palette (in bytes)
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ILenum PalType; // the palette types below (0x0500 range)
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// The Fundamental Image struct
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typedef struct ILimage
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ILuint Width; // the image's width
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ILuint Height; // the image's height
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ILuint Depth; // the image's depth
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ILubyte Bpp; // bytes per pixel (now number of channels)
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ILubyte Bpc; // bytes per channel
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ILuint Bps; // bytes per scanline (components for IL)
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ILubyte *Data; // the image data
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ILuint SizeOfData; // the total size of the data (in bytes)
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ILuint SizeOfPlane; // SizeOfData in a 2d image, size of each plane slice in a 3d image (in bytes)
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ILenum Format; // image format (in IL enum style)
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ILenum Type; // image type (in IL enum style)
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ILenum Origin; // origin of the image
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ILpal Pal; // palette details
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ILuint Duration; // length of the time to display this "frame"
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ILenum CubeFlags; // cube map flags for sides present in chain
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struct ILimage *Mipmaps; // mipmapped versions of this image terminated by a NULL - usu. NULL
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struct ILimage *Next; // next image in the chain - usu. NULL
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struct ILimage *Layers; // subsequent layers in the chain - usu. NULL
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ILuint NumNext; // number of images following this one (0 when not parent)
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ILuint NumMips; // number of mipmaps (0 when not parent)
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ILuint NumLayers; // number of layers (0 when not parent)
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ILuint *AnimList; // animation list
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ILuint AnimSize; // animation list size
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ILvoid *Profile; // colour profile
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ILuint ProfileSize; // colour profile size
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ILuint OffX, OffY; // offset of the image
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ILubyte *DxtcData; // compressed data
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ILenum DxtcFormat; // compressed data format
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ILuint DxtcSize; // compressed data size
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ILAPI ILvoid* ILAPIENTRY ialloc(ILuint Size);
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ILAPI ILvoid ILAPIENTRY ifree(ILvoid *Ptr);
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ILAPI ILvoid* ILAPIENTRY icalloc(ILuint Size, ILuint Num);
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ILAPI ILvoid* ILAPIENTRY ivec_align_buffer(ILvoid *buffer, ILuint size);
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// Internal library functions in IL
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ILAPI ILimage* ILAPIENTRY ilGetCurImage(ILvoid);
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ILAPI ILvoid ILAPIENTRY ilSetCurImage(ILimage *Image);
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ILAPI ILvoid ILAPIENTRY ilSetError(ILenum Error);
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ILAPI ILvoid ILAPIENTRY ilSetPal(ILpal *Pal);
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ILAPI ILubyte ILAPIENTRY ilGetBppFormat(ILenum Format);
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ILAPI ILenum ILAPIENTRY ilGetFormatBpp(ILubyte Bpp);
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ILAPI ILubyte ILAPIENTRY ilGetBpcType(ILenum Type);
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ILAPI ILenum ILAPIENTRY ilGetTypeBpc(ILubyte Bpc);
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ILAPI ILubyte ILAPIENTRY ilGetBppPal(ILenum PalType);
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ILAPI ILenum ILAPIENTRY ilGetPalBaseType(ILenum PalType);
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ILAPI ILuint ILAPIENTRY ilNextPower2(ILuint Num);
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ILAPI ILenum ILAPIENTRY ilTypeFromExt(const ILstring FileName);
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ILAPI ILvoid ILAPIENTRY ilReplaceCurImage(ILimage *Image);
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ILAPI ILvoid ILAPIENTRY iBindImageTemp (ILvoid);
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ILAPI ILboolean ILAPIENTRY ilClearImage_ (ILimage *Image);
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ILAPI ILvoid ILAPIENTRY ilCloseImage (ILimage *Image);
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ILAPI ILvoid ILAPIENTRY ilClosePal (ILpal *Palette);
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ILAPI ILpal* ILAPIENTRY iCopyPal (ILvoid);
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ILAPI ILboolean ILAPIENTRY ilCopyImageAttr (ILimage *Dest, ILimage *Src);
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ILAPI ILimage* ILAPIENTRY ilCopyImage_ (ILimage *Src);
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ILAPI ILvoid ILAPIENTRY ilGetClear (ILvoid *Colours, ILenum Format, ILenum Type);
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ILAPI ILuint ILAPIENTRY ilGetCurName (ILvoid);
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ILAPI ILboolean ILAPIENTRY ilIsValidPal (ILpal *Palette);
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ILAPI ILimage* ILAPIENTRY ilNewImage (ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILubyte Bpc);
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ILAPI ILimage* ILAPIENTRY ilNewImageFull (ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILenum Format, ILenum Type, ILvoid *Data);
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ILAPI ILboolean ILAPIENTRY ilInitImage (ILimage *Image, ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILenum Format, ILenum Type, ILvoid *Data);
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ILAPI ILboolean ILAPIENTRY ilResizeImage (ILimage *Image, ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILubyte Bpc);
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ILAPI ILboolean ILAPIENTRY ilTexImage_ (ILimage *Image, ILuint Width, ILuint Height, ILuint Depth, ILubyte Bpp, ILenum Format, ILenum Type, ILvoid *Data);
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ILAPI ILboolean ILAPIENTRY ilTexSubImage_ (ILimage *Image, ILvoid *Data);
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ILAPI ILvoid* ILAPIENTRY ilConvertBuffer (ILuint SizeOfData, ILenum SrcFormat, ILenum DestFormat, ILenum SrcType, ILenum DestType, ILvoid *Buffer);
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ILAPI ILimage* ILAPIENTRY iConvertImage (ILimage *Image, ILenum DestFormat, ILenum DestType);
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ILAPI ILpal* ILAPIENTRY iConvertPal (ILpal *Pal, ILenum DestFormat);
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ILAPI ILubyte* ILAPIENTRY iGetFlipped (ILimage *Image);
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// Internal library functions in ILU
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ILAPI ILimage* ILAPIENTRY iluRotate_(ILimage *Image, ILfloat Angle);
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ILAPI ILimage* ILAPIENTRY iluRotate3D_(ILimage *Image, ILfloat x, ILfloat y, ILfloat z, ILfloat Angle);
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ILAPI ILimage* ILAPIENTRY iluScale_(ILimage *Image, ILuint Width, ILuint Height, ILuint Depth);