Thread: [Hdrflow-svn] SF.net SVN: hdrflow: [80] lib/openlibraries/src

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Revision: 80
          http://hdrflow.svn.sourceforge.net/hdrflow/?rev=80&view=rev
Author:   glslang
Date:     2007-04-13 15:04:25 -0700 (Fri, 13 Apr 2007)

Log Message:
-----------
+ bug fixes

Modified Paths:
--------------
    lib/openlibraries/src/openeffectslib/plugins/tonemap/tonemap_plugin.cpp
    lib/openlibraries/src/openeffectslib/plugins/tonemap/tonemap_plugin.opl
    lib/openlibraries/src/openimagelib/il/utility.cpp
    lib/openlibraries/src/openimagelib/plugins/exr/exr_plugin.cpp

Modified: lib/openlibraries/src/openeffectslib/plugins/tonemap/tonemap_plugin.cpp
===================================================================

--- lib/openlibraries/src/openeffectslib/plugins/tonemap/tonemap_plugin.cpp	2007-04-13 10:28:42 UTC (rev 79)
+++ lib/openlibraries/src/openeffectslib/plugins/tonemap/tonemap_plugin.cpp	2007-04-13 22:04:25 UTC (rev 80)
@@ -36,7 +36,6 @@
 	typedef il::image_type::size_type size_type;
 
 #ifdef HAVE_OPENEXR
-
 	// From ILM OpenEXR examples.
 	float knee (double x, double f)
 	{ return float( Imath::Math<double>::log( x * f + 1 ) / f ); }
@@ -110,7 +109,7 @@
 		return ( unsigned char ) ( v + d[ y & 3 ][ x & 3 ] );
 	}
 
-	void compute_fog_color( const image_type_ptr& im, int bs, float& fog_r, float& fog_g, float& fog_b )
+	void compute_fog_color( const image_type_ptr& im, float& fog_r, float& fog_g, float& fog_b )
 	{
 		fog_r = fog_g = fog_b = 0.0f;
 	
@@ -119,7 +118,7 @@
 		{
 			for( int j = 0; j < im->width( ); ++j )
 			{
-				for( int k = 0; k < bs; ++k )
+				for( int k = 0; k < 3; ++k )
 				{
 					half h;
 			
@@ -137,49 +136,36 @@
 		fog_b /= im->width( ) * im->height( );
 	}
 
-	image_type_ptr convert_to_half( const image_type_ptr& im, int& bs )
+	image_type_ptr convert_to_half( const image_type_ptr& im )
 	{
-		typedef il::image<unsigned char, il::r16g16b16f>	r16g16b16f_image_type;
-		typedef il::image<unsigned char, il::r16g16b16a16f>	r16g16b16a16f_image_type;
-
-		if( !( im->pf( ) == L"r32g32b32f" || im->pf( ) == L"r32g32b32a32f" ) )
-		{
-			if( im->pf( ) == L"r16g16b16f" )
-				bs = 3;
-			else if( im->pf( ) == L"r16g16b16a16f" )
-				bs = 4;
-
+		if( im->pf( ) == L"r16g16b16f" )
 			return im;
-		}
 	
-		image_type_ptr new_im;
-		if( im->pf( ) == L"r32g32b32f" )
-		{
-			new_im = il::allocate( L"r16g16b16f", im->width( ), im->height( ) );
-			bs = 3;
-		}
-		else if( im->pf( ) == L"r32g32b32a32f" )
-		{
-			new_im = il::allocate( L"r16g16b16a16f", im->width( ), im->height( ) );
-			bs = 4;
-		}
+		size_type width  = im->width( );
+		size_type height = im->height( );
 	
-		image_type::const_pointer src_im = im->data( );
-		image_type::pointer		  dst_im = new_im->data( );
+		image_type_ptr new_im = il::allocate( L"r16g16b16f", im->width( ), im->height( ) );
+
+		image_type::const_pointer src = im->data( );
+		image_type::pointer		  dst = new_im->data( );
 		
-		int f_block_inc = sizeof( float ) * bs;
-		int i_block_inc = sizeof( unsigned short ) * bs;
+		int src_pitch = ( im->pitch( ) - im->linesize( ) ) * sizeof( float );
+		int dst_pitch = ( new_im->pitch( ) - new_im->linesize( ) ) * sizeof( unsigned short );
 		
-		for( int i = 0; i < im->height( ); ++i )
+		for( int i = 0; i < height; ++i )
 		{
-			for( int j = 0; j < im->width( ); ++j )
+			for( int j = 0; j < width; ++j )
 			{
-				for( int k = 0; k < bs; ++k )
-					( ( unsigned short* ) dst_im )[ k ] = Imf::floatToHalf( ( ( const float* ) src_im )[ k ] ).bits( );
-				
-				src_im += f_block_inc;
-				dst_im += i_block_inc;
+				( ( unsigned short* ) dst )[ 0 ] = Imf::floatToHalf( ( ( const float* ) src )[ 0 ] ).bits( );
+				( ( unsigned short* ) dst )[ 1 ] = Imf::floatToHalf( ( ( const float* ) src )[ 1 ] ).bits( );
+				( ( unsigned short* ) dst )[ 2 ] = Imf::floatToHalf( ( ( const float* ) src )[ 2 ] ).bits( );
+
+				src += 3 * sizeof( float );
+				dst += 3 * sizeof( unsigned short );
 			}
+			
+			src += src_pitch;
+			dst += dst_pitch;
 		}
 	
 		return new_im;
@@ -187,53 +173,55 @@
 
 	image_type_ptr tm_ilm_exr( const image_type_ptr& im, float exposure, float defog, float kneeLow, float kneeHigh )
 	{
-		if( !( im->pf( ) == L"r16g16b16f"	 ||
-			   im->pf( ) == L"r16g16b16a16f" ||
-			   im->pf( ) == L"r32g32b32f"	 ||
-			   im->pf( ) == L"r32g32b32a32f" ) )
-			return image_type_ptr( );
+		image_type_ptr dst_img = im;
+		
+		if( im->pf( ) == L"r16g16b16f" || im->pf( ) == L"r32g32b32f" )
+		{
+			image_type_ptr half_im = convert_to_half( im );
 
-		int bs;
-		image_type_ptr half_im = convert_to_half( im, bs );
+			float fog_r, fog_g, fog_b;
+			compute_fog_color( half_im, fog_r, fog_g, fog_b );
 
-		float fog_r, fog_g, fog_b;
-		compute_fog_color( half_im, bs, fog_r, fog_g, fog_b );
+			halfFunction<float> r_gamma( gamma( exposure, defog * fog_r, kneeLow, kneeHigh ), -HALF_MAX, HALF_MAX );
+			halfFunction<float> g_gamma( gamma( exposure, defog * fog_g, kneeLow, kneeHigh ), -HALF_MAX, HALF_MAX );
+			halfFunction<float> b_gamma( gamma( exposure, defog * fog_b, kneeLow, kneeHigh ), -HALF_MAX, HALF_MAX );
 
-		halfFunction<float> r_gamma( gamma( exposure, defog * fog_r, kneeLow, kneeHigh ), -HALF_MAX, HALF_MAX );
-		halfFunction<float> g_gamma( gamma( exposure, defog * fog_g, kneeLow, kneeHigh ), -HALF_MAX, HALF_MAX );
-		halfFunction<float> b_gamma( gamma( exposure, defog * fog_b, kneeLow, kneeHigh ), -HALF_MAX, HALF_MAX );
+			size_type width  = im->width( );
+			size_type height = im->height( );
 
-		image_type_ptr new_im;
-		if( bs == 3 )
-			new_im = il::allocate( L"r8g8b8", im->width( ), im->height( ) );
-		else if( bs == 4 )
-			new_im = il::allocate( L"r8g8b8a8", im->width( ), im->height( ) );
+			dst_img = il::allocate( L"b8g8r8a8", width, height );
 
-		image_type::const_pointer src_im = half_im->data( );
-		image_type::pointer		  dst_im = new_im->data( );
+			image_type::const_pointer src = half_im->data( );
+			image_type::pointer		  dst = dst_img->data( );
 
-		for( int i = 0; i < new_im->height( ); ++i )
-		{
-			for( int j = 0; j < new_im->width( ); ++j )
+			size_type src_pitch = ( half_im->pitch( ) - half_im->linesize( ) ) * sizeof( unsigned short );
+			size_type dst_pitch = dst_img->pitch( ) - dst_img->linesize( );
+
+			for( int i = 0; i < height; ++i )
 			{
-				for( int k = 0; k < bs; ++k )
+				for( int j = 0; j < width; ++j )
 				{
-					half h;
-			
-					h.setBits( ( ( unsigned short* ) src_im )[ 0 ] );
-			
-					*dst_im = dither( r_gamma( h ), j, i );
-			
-					src_im += sizeof( unsigned short );
-					dst_im += sizeof( unsigned char );
+					half h0, h1, h2;
+
+					h0.setBits( ( ( unsigned short* ) src )[ 0 ] ); src += sizeof( unsigned short );
+					h1.setBits( ( ( unsigned short* ) src )[ 0 ] ); src += sizeof( unsigned short );
+					h2.setBits( ( ( unsigned short* ) src )[ 0 ] ); src += sizeof( unsigned short );
+
+					*dst++ = dither( r_gamma( h2 ), j, i );
+					*dst++ = dither( g_gamma( h1 ), j, i );
+					*dst++ = dither( b_gamma( h0 ), j, i );
+					*dst++ = 255;
 				}
+
+				src += src_pitch;
+				dst += dst_pitch;
 			}
 		}
 
-		return new_im;
+		return dst_img;
 	}
-
 #endif
+
 	// Ferwerda et al TVI functions.
 	float tp( float L )
 	{

Modified: lib/openlibraries/src/openeffectslib/plugins/tonemap/tonemap_plugin.opl
===================================================================
--- lib/openlibraries/src/openeffectslib/plugins/tonemap/tonemap_plugin.opl	2007-04-13 10:28:42 UTC (rev 79)
+++ lib/openlibraries/src/openeffectslib/plugins/tonemap/tonemap_plugin.opl	2007-04-13 22:04:25 UTC (rev 80)
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <openlibraries version="1.0">
 	<!-- plugins go here -->
-	<openeffectslib name="oel" version="0.1.0">
-		<plugin name="OpenLibraries tonemap plugin" type="filter" extension='"tm_linear", "tm_ilm_exr". "tm_ferwerda"' merit="0" filename='"libopeneffectslib_tonemap.so", "libopeneffectslib_tonemap.dylib", "openeffectslib_tonemap-vc80-d-0_4_0.dll", "openeffectslib_tonemap-vc80-r-0_4_0.dll"'/>
-	</openeffectslib>
+	<openmedialib name="oel" version="0.1.0">
+		<plugin name="OpenLibraries tonemap plugin" type="filter" extension='"tm_linear", "tm_ilm_exr", "tm_ferwerda"' merit="0" filename='"libopeneffectslib_tonemap.so", "libopeneffectslib_tonemap.dylib", "openeffectslib_tonemap-vc80-d-0_4_0.dll", "openeffectslib_tonemap-vc80-r-0_4_0.dll"'/>
+	</openmedialib>
 </openlibraries>

Modified: lib/openlibraries/src/openimagelib/il/utility.cpp
===================================================================
--- lib/openlibraries/src/openimagelib/il/utility.cpp	2007-04-13 10:28:42 UTC (rev 79)
+++ lib/openlibraries/src/openimagelib/il/utility.cpp	2007-04-13 22:04:25 UTC (rev 80)
@@ -1853,7 +1853,7 @@
 	return dst_img;
 }
 
-// Free function to truncate 32-bit float to b8g8r8a8. intention is to perform all tonemaps at the float level and convert to 8-bit only if needed.
+// Truncates 32-bit float to b8g8r8a8. The intention is to perform all tonemaps at the float level and convert to 8-bit only when needed.
 // Assumes normalise( im, 255.0f ) has already been called.
 static image_type_ptr r32g32b32f_to_b8g8r8a8( image_type_ptr src_img, const std::wstring &format )
 {
@@ -1877,9 +1877,9 @@
 		{
 			while( width-- )
 			{
+				*( dst + 2 ) = static_cast<unsigned char>( *src++ );
+				*( dst + 1 ) = static_cast<unsigned char>( *src++ );
 				*( dst + 0 ) = static_cast<unsigned char>( *src++ );
-				*( dst + 1 ) = static_cast<unsigned char>( *src++ );
-				*( dst + 2 ) = static_cast<unsigned char>( *src++ );
 				*( dst + 3 ) = 255;
 
 				dst += 4;

Modified: lib/openlibraries/src/openimagelib/plugins/exr/exr_plugin.cpp
===================================================================
--- lib/openlibraries/src/openimagelib/plugins/exr/exr_plugin.cpp	2007-04-13 10:28:42 UTC (rev 79)
+++ lib/openlibraries/src/openimagelib/plugins/exr/exr_plugin.cpp	2007-04-13 22:04:25 UTC (rev 80)
@@ -22,11 +22,6 @@
 	void destroy( il::image_type* im )
 	{ delete im; }
 
-	std::wstring exr_image_type_to_image_type( )
-	{
-		return L"r32g32b32f";
-	}
-
 	il::image_type_ptr load_exr( const fs::path& path )
 	{
 		Imf::RgbaInputFile file( path.native_file_string( ).c_str( ) );
@@ -41,21 +36,17 @@
 		file.setFrameBuffer( &exr_texels[ 0 ][ 0 ], 1, width );
 		file.readPixels( dw.min.y, dw.max.y );
 
-		il::image_type_ptr im = il::allocate( exr_image_type_to_image_type( ), width, height );
+		il::image_type_ptr im = il::allocate( L"r32g32b32f", width, height );
 		il::image_type::pointer texels = im->data( );
 		
 		for( int j = 0; j < height; ++j )
 		{
 			for( int i = 0; i < width; ++i )
 			{
-				half h0 = exr_texels[ j ][ i ].r;
-				half h1 = exr_texels[ j ][ i ].g;
-				half h2 = exr_texels[ j ][ i ].b;
-				
-				( ( float* ) texels )[ 0 ] = ImfHalfToFloat( ( ImfHalf ) h0 );
-				( ( float* ) texels )[ 1 ] = ImfHalfToFloat( ( ImfHalf ) h1 );
-				( ( float* ) texels )[ 2 ] = ImfHalfToFloat( ( ImfHalf ) h2 );
-					
+				( ( float* ) texels )[ 0 ] = exr_texels[ j ][ i ].r;
+				( ( float* ) texels )[ 1 ] = exr_texels[ j ][ i ].g;
+				( ( float* ) texels )[ 2 ] = exr_texels[ j ][ i ].b;
+
 				texels += 3 * sizeof( float );
 			}
 


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Thread: [Hdrflow-svn] SF.net SVN: hdrflow: [80] lib/openlibraries/src

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