[Hdrflow-svn] SF.net SVN: hdrflow: [280] trunk/lib/extras/src/imf/mfn

[<gl...@us...>]

Revision: 280
          http://hdrflow.svn.sourceforge.net/hdrflow/?rev=280&view=rev
Author:   glslang
Date:     2007-08-26 07:36:26 -0700 (Sun, 26 Aug 2007)

Log Message:
-----------
+ maya 8.5 HDR plugin functional. needs testing

Modified Paths:
--------------
    trunk/lib/extras/src/imf/mfn/Makefile.am
    trunk/lib/extras/src/imf/mfn/mfn.cpp

Modified: trunk/lib/extras/src/imf/mfn/Makefile.am
===================================================================
--- trunk/lib/extras/src/imf/mfn/Makefile.am	2007-08-26 14:14:16 UTC (rev 279)
+++ trunk/lib/extras/src/imf/mfn/Makefile.am	2007-08-26 14:36:26 UTC (rev 280)
@@ -19,7 +19,8 @@
 
 libhdrflow_extras_mfn_la_LIBADD = \
 	$(MAYA_LIBS)	\
-	$(top_builddir)/../openlibraries/src/openpluginlib/pl/libopenpluginlib_pl.la
+	$(top_builddir)/../openlibraries/src/openpluginlib/pl/libopenpluginlib_pl.la	\
+	$(top_builddir)/../openlibraries/src/openimagelib/il/libopenimagelib_il.la
 
 libhdrflow_extras_mfn_la_LDFLAGS = \
 	$(MAYA_LDFLAGS)

Modified: trunk/lib/extras/src/imf/mfn/mfn.cpp
===================================================================
--- trunk/lib/extras/src/imf/mfn/mfn.cpp	2007-08-26 14:14:16 UTC (rev 279)
+++ trunk/lib/extras/src/imf/mfn/mfn.cpp	2007-08-26 14:36:26 UTC (rev 280)
@@ -5,6 +5,10 @@
 // Released under the GPL.
 // For more information, see http://www.cryogenicgraphics.com/hdrflow.
 
+#ifdef __APPLE__
+#include <maya/OpenMayaMac.h>
+#endif
+
 #include <maya/MPxImageFile.h>
 #include <maya/MImageFileInfo.h>
 #include <maya/MImage.h>
@@ -13,3 +17,189 @@
 #include <maya/MIOStream.h>
 #include <maya/MGlobal.h>
 
+#include <openpluginlib/pl/openpluginlib.hpp>
+#include <openpluginlib/pl/utf8_utils.hpp>
+#include <openpluginlib/pl/stream.hpp>
+
+#include <openimagelib/il/openimagelib_plugin.hpp>
+
+namespace pl = olib::openpluginlib;
+namespace il = olib::openimagelib::il;
+
+namespace hdrflow { namespace extras { namespace mfn {
+
+namespace
+{
+	struct query_traits
+	{
+		query_traits( const pl::wstring& filename )
+			: filename_( filename )
+		{ }
+		
+		pl::wstring libname( ) const
+		{ return L"openimagelib"; }
+		
+		pl::wstring to_match( ) const
+		{ return filename_; }
+		
+		pl::wstring type( ) const
+		{ return L""; }
+		
+		int merit( ) const
+		{ return 0; }
+		
+		pl::wstring filename_;
+	};
+}
+
+class image_reader : public MPxImageFile
+{
+public:
+	explicit image_reader( );
+	virtual ~image_reader( );
+	
+	static void* creator( );
+	
+	virtual MStatus open( MString pathname, MImageFileInfo* info );
+	virtual MStatus load( MImage& image, unsigned int idx );
+	virtual MStatus close( );
+	
+private:
+	il::image_type_ptr im_;
+};
+
+image_reader::image_reader( )
+{ }
+
+image_reader::~image_reader( )
+{ }
+
+void* image_reader::creator( )
+{
+	return new image_reader;
+}
+
+MStatus image_reader::open( MString pathname, MImageFileInfo* info )
+{
+#ifndef NDEBUG
+	MGlobal::displayInfo( "HDRFlow: opening image..." );
+#endif
+
+	typedef pl::discovery<query_traits> discovery;
+
+	discovery plugins( query_traits( pl::to_wstring( pathname.asChar( ) ) ) );
+	if( plugins.empty( ) ) return MS::kFailure;
+	
+	for( discovery::const_iterator i = plugins.begin( ); i != plugins.end( ); ++i )
+	{
+		il::openimagelib_plugin_ptr plug = boost::shared_dynamic_cast<il::openimagelib_plugin>( i->create_plugin( "" ) );
+		if( plug )
+		{
+#ifndef NDEBUG
+			MGlobal::displayInfo( "HDRFlow: plugin found ..." );
+#endif
+			im_ = il::conform( plug->load( pl::make_stream( pathname.asChar( ), std::ios::in ) ), il::flipped );
+			if( im_ )
+			{
+#ifndef NDEBUG
+				MGlobal::displayInfo( "HDRFlow: image opened." );
+#endif
+				if( info )
+				{
+					info->width( im_->width( ) );
+					info->height( im_->height( ) );
+					info->channels( 4 ); // always assumes alpha/matte exists
+					info->numberOfImages( 1 );
+					info->pixelType( MImage::kFloat ); // convert everything to float by default
+				}
+				
+				return MS::kSuccess;
+			}
+#ifndef NDEBUG
+			else
+			{
+				MGlobal::displayInfo( "HDRFlow: image is null." );
+			}
+#endif
+		}
+#ifndef NDEBUG
+			else
+			{
+				MGlobal::displayInfo( "HDRFlow: plugin is null." );
+			}
+#endif
+	}
+
+#ifndef NDEBUG
+	MGlobal::displayInfo( "HDRFlow: failed to open." );
+#endif
+	
+	return MS::kFailure;
+}
+
+MStatus image_reader::load( MImage& image, unsigned int idx )
+{
+#ifndef NDEBUG
+	MGlobal::displayInfo( "HDRFlow: loading image..." );
+#endif
+
+	im_ = il::convert( im_, L"r32g32b32a32f" );
+	if( !im_ ) return MS::kFailure;
+	
+	int width	 = im_->width( );
+	int height	 = im_->height( );
+	int pitch	 = im_->pitch( );
+	int linesize = im_->linesize( );
+	
+	image.create( im_->width( ), im_->height( ), 4, MImage::kFloat );
+	
+	const float* src = reinterpret_cast<const float*>( im_->data( ) );
+	float* dst = image.floatPixels( );
+	
+	for( int i = 0; i < height; ++i )
+	{
+		memcpy( dst, src, im_->linesize( ) * sizeof( float ) );
+		
+		src += pitch;
+		dst += width * 4;
+	}
+
+#ifndef NDEBUG
+	MGlobal::displayInfo( "HDRFlow: image loaded." );
+#endif
+	
+	return MS::kSuccess;
+}
+
+MStatus image_reader::close( )
+{
+	im_.reset( );
+	
+	return MS::kSuccess;
+}
+
+} } }
+
+extern "C" MStatus initializePlugin( MObject obj )
+{
+#ifndef NDEBUG
+	MGlobal::displayInfo( "HDRFlow: initialising ..." );
+#endif
+
+	MFnPlugin plugin( obj, "com.cryogenicgraphics", "8.0", "Any" );
+	MStringArray extensions;
+	extensions.append( "hdr" );
+	CHECK_MSTATUS( plugin.registerImageFile( "HDRFlow", hdrflow::extras::mfn::image_reader::creator, extensions ) );
+	
+	pl::init( );
+
+	return MS::kSuccess;
+}
+
+extern "C" MStatus uninitializePlugin( MObject obj )
+{
+	MFnPlugin plugin( obj );
+	CHECK_MSTATUS( plugin.deregisterImageFile( "HDRFlow" ) );
+	
+	return MS::kSuccess;
+}


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