/*
?*?MATLAB?MEX?function?for?displaying?channel?types?of?an?EXR?image.
?*?
?*/


#include?

#include?“ImfRgbaFile.h“
#include?“ImfStringAttribute.h“
#include?“ImfMatrixAttribute.h“
#include?“ImfChannelList.h“
#include?“ImfPixelType.h“
#include?“Iex.h“

#include?“mex.h“?

using?namespace?Imf;
using?namespace?Imath;
using?namespace?Iex;

using?std::cout;
using?std::endl;
using?std::flush;


/*
?*?Check?inputs:
?*?only?one?input?argument?that?is?a?string?（row?vector?of?chars）
?*?one?or?two?output?arguments
?*?
?*?These?checks?were?copied?from?the?MATLAB?example?file?revord.c
?*/
void?checkInputs（int?nlhs?mxArray?*plhs[]?int?nrhs?const?mxArray?*prhs[]）?{

	if?（nrhs?!=?1）
		mexErrMsgTxt（“Incorrect?number?of?input?arguments“）;

	if?（nlhs?>?1）
		mexErrMsgTxt（“Incorrect?number?of?output?arguments“）;

	if?（mxIsChar（prhs[0]）?!=?1）
		mexErrMsgTxt（“Input?must?be?a?string“）;

	if?（mxGetM（prhs[0]）?!=?1）
		mexErrMsgTxt（“Input?must?be?a?row?vector.“）;

	return;
}

/*
?*?Read?the?header?of?an?EXR?file.
?*?Code?follows?examples?from?ReadingAndWritingImageFiles.pdf?found
?*?here:
?*?http://www.openexr.com/ReadingAndWritingImageFiles.pdf
?*/
void?mexFunction（int?nlhs?mxArray?*plhs[]?int?nrhs?const?mxArray?*prhs[]）?{?

	checkInputs（nlhs?plhs?nrhs?prhs）;
	char?*filename?=?mxArrayToString（prhs[0]）;

	try?{
		RgbaInputFile?file（filename）;

		const?ChannelList?&ch?=?file.header（）.channels（）;
		int?ix?=?1;
		for?（ChannelList::ConstIterator?i?=?ch.begin（）;?i?!=?ch.end（）;?++i）?{
			const?Channel?&channel?=?i.channel（）;?
			PixelType?type?=?channel.type;
			const?char*?t?=?（type?==?UINT）???“uint“?:?
					（（type?==?HALF）???“half“?:?“float“）;

			cout?<			cout?<		}
		const?StringAttribute?*comments?=
		file.header（）.findTypedAttribute??（“comments“）;

		const?M44fAttribute?*cameraTransform?=?
		file.header（）.findTypedAttribute??（“cameraTransform“）;

		if?（comments）
			cout?<value（）?<
		if?（cameraTransform）
			cout?<value（）?<
	}?catch?（const?std::exception?&exc）?{
		mexErrMsgTxt（exc.what（））;
	}

	//?Free?the?memory?for?the?string
	mxFree（filename）;

	return;
}?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2009-05-21?17:37??MatlabEXR\
?????文件????????2254??2009-05-21?17:23??MatlabEXR\exrinfo.cpp
?????目錄???????????0??2009-05-21?17:37??__MACOSX\
?????目錄???????????0??2009-05-21?17:37??__MACOSX\MatlabEXR\
?????文件??????????82??2009-05-21?17:23??__MACOSX\MatlabEXR\._exrinfo.cpp
?????文件?????????341??2008-03-11?09:26??MatlabEXR\exrinfo.m
?????文件????????3734??2009-05-21?17:23??MatlabEXR\exrread.cpp
?????文件??????????82??2009-05-21?17:23??__MACOSX\MatlabEXR\._exrread.cpp
?????文件?????????405??2008-03-11?11:08??MatlabEXR\exrread.m
?????文件????????3572??2009-05-21?17:23??MatlabEXR\exrwrite.cpp
?????文件??????????82??2009-05-21?17:23??__MACOSX\MatlabEXR\._exrwrite.cpp
?????文件?????????414??2008-03-11?09:38??MatlabEXR\exrwrite.m
?????文件????????1283??2009-05-21?17:26??MatlabEXR\README.txt
?????文件??????????82??2009-05-21?17:26??__MACOSX\MatlabEXR\._README.txt