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Martin Felis
91 lines
2.0 KiB
C++
91 lines
2.0 KiB
C++
//-----------------------------------------------------------------------------
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//
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// ImageLib Sources
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// Copyright (C) 2000-2008 by Denton Woods
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// Last modified: 08/29/2008
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//
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// Filename: src-IL/include/il_exr.h
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//
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// Description: Reads from an OpenEXR (.exr) file.
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//
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//-----------------------------------------------------------------------------
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#ifndef EXR_H
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#define EXR_H
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#include "il_internal.h"
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#include <ImfIO.h>
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//using namespace Imf; // Using this leads to errors with Microsoft's IStream.
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// So it is better to just specify the namespace explicitly.
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typedef struct EXRHEAD
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{
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ILuint MagicNumber; // File signature (0x76, 0x2f, 0x31, 0x01)
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ILuint Version; // Treated as two bitfields
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} IL_PACKSTRUCT EXRHEAD;
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//@TODO: Should I just do these as enums?
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#define EXR_UINT 0
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#define EXR_HALF 1
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#define EXR_FLOAT 2
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#define EXR_NO_COMPRESSION 0
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#define EXR_RLE_COMPRESSION 1
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#define EXR_ZIPS_COMPRESSION 2
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#define EXR_ZIP_COMPRESSION 3
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#define EXR_PIZ_COMPRESSION 4
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#define EXR_PXR24_COMPRESSION 5
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#define EXR_B44_COMPRESSION 6
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#define EXR_B44A_COMPRESSION 7
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#ifdef __cplusplus
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extern "C" {
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#endif
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ILboolean iIsValidExr();
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ILboolean iCheckExr(EXRHEAD *Header);
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ILboolean iLoadExrInternal();
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ILboolean iSaveExrInternal();
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#ifdef __cplusplus
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}
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#endif
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class ilIStream : public Imf::IStream
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{
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public:
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ilIStream(/*ILHANDLE Handle*/);
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virtual bool read (char c[/*n*/], int n);
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// I don't think I need this one, since we are taking care of the file handles ourselves.
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//virtual char * readMemoryMapped (int n);
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virtual Imf::Int64 tellg ();
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virtual void seekg (Imf::Int64 Pos);
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virtual void clear ();
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protected:
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private:
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};
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class ilOStream : public Imf::OStream
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{
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public:
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ilOStream(/*ILHANDLE Handle*/);
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virtual void write (const char c[/*n*/], int n);
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// I don't think I need this one, since we are taking care of the file handles ourselves.
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//virtual char * readMemoryMapped (int n);
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virtual Imf::Int64 tellp ();
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virtual void seekp (Imf::Int64 Pos);
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protected:
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private:
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};
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#endif//EXR_H
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