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rude
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
//-----------------------------------------------------------------------------
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//
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// ImageLib Sources
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// Copyright (C) 2000-2009 by Denton Woods
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// Last modified: 02/14/2009
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//
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// Filename: src-IL/include/il_gif.h
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//
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// Description: Reads from a Graphics Interchange Format (.gif) file.
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//
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//-----------------------------------------------------------------------------
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#ifndef GIF_H
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#define GIF_H
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#include "il_internal.h"
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#define GIF87A 87
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#define GIF89A 89
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#ifdef _WIN32
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#pragma pack(push, gif_struct, 1)
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#endif
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typedef struct GIFHEAD
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{
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char Sig[6];
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ILushort Width;
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ILushort Height;
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ILubyte ColourInfo;
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ILubyte Background;
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ILubyte Aspect;
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} IL_PACKSTRUCT GIFHEAD;
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typedef struct IMAGEDESC
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{
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ILubyte Separator;
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ILushort OffX;
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ILushort OffY;
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ILushort Width;
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ILushort Height;
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ILubyte ImageInfo;
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} IL_PACKSTRUCT IMAGEDESC;
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typedef struct GFXCONTROL
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{
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ILubyte Size;
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ILubyte Packed;
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ILushort Delay;
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ILubyte Transparent;
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ILubyte Terminator;
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ILboolean Used; //this stores if a gfxcontrol was read - it is IL_FALSE (!)
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//if a gfxcontrol was read from the file, IL_TRUE otherwise
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} IL_PACKSTRUCT GFXCONTROL;
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#ifdef _WIN32
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#pragma pack(pop, gif_struct)
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#endif
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// Internal functions
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ILboolean iLoadGifInternal(void);
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ILboolean ilLoadGifF(ILHANDLE File);
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ILboolean iIsValidGif(void);
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ILboolean iGetPalette(ILubyte Info, ILpal *Pal, ILboolean UsePrevPal, ILimage *PrevImage);
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ILboolean GetImages(ILpal *GlobalPal, GIFHEAD *GifHead);
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ILboolean SkipExtensions(GFXCONTROL *Gfx);
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ILboolean GifGetData(ILimage *Image, ILubyte *Data, ILuint ImageSize, ILuint Width, ILuint Height, ILuint Stride, ILuint PalOffset, GFXCONTROL *Gfx);
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ILboolean RemoveInterlace(ILimage *image);
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ILboolean ConvertTransparent(ILimage *Image, ILubyte TransColour);
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#endif//GIF_H
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