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Name	Size	Permission
Iex.h	2.34 KB	-rw-r--r--
IexBaseExc.h	9.06 KB	-rw-r--r--
IexErrnoExc.h	7.37 KB	-rw-r--r--
IexExport.h	2.08 KB	-rw-r--r--
IexForward.h	5.1 KB	-rw-r--r--
IexMacros.h	5.63 KB	-rw-r--r--
IexMathExc.h	2.41 KB	-rw-r--r--
IexMathFloatExc.h	4.58 KB	-rw-r--r--
IexMathFpu.h	3.3 KB	-rw-r--r--
IexMathIeeeExc.h	2.3 KB	-rw-r--r--
IexNamespace.h	4.3 KB	-rw-r--r--
IexThrowErrnoExc.h	3.4 KB	-rw-r--r--
IlmBaseConfig.h	1.64 KB	-rw-r--r--
IlmThread.h	4.78 KB	-rw-r--r--
IlmThreadExport.h	2.15 KB	-rw-r--r--
IlmThreadForward.h	2.08 KB	-rw-r--r--
IlmThreadMutex.h	4.32 KB	-rw-r--r--
IlmThreadNamespace.h	4.54 KB	-rw-r--r--
IlmThreadPool.h	5.21 KB	-rw-r--r--
IlmThreadSemaphore.h	3.38 KB	-rw-r--r--
ImathBox.h	16.62 KB	-rw-r--r--
ImathBoxAlgo.h	22.35 KB	-rw-r--r--
ImathColor.h	14.87 KB	-rw-r--r--
ImathColorAlgo.h	7.08 KB	-rw-r--r--
ImathEuler.h	22.88 KB	-rw-r--r--
ImathExc.h	2.82 KB	-rw-r--r--
ImathExport.h	2.13 KB	-rw-r--r--
ImathForward.h	2.68 KB	-rw-r--r--
ImathFrame.h	6.6 KB	-rw-r--r--
ImathFrustum.h	22.26 KB	-rw-r--r--
ImathFrustumTest.h	14.77 KB	-rw-r--r--
ImathFun.h	5.99 KB	-rw-r--r--
ImathGL.h	4.52 KB	-rw-r--r--
ImathGLU.h	2.17 KB	-rw-r--r--
ImathHalfLimits.h	2.47 KB	-rw-r--r--
ImathInt64.h	2.4 KB	-rw-r--r--
ImathInterval.h	5.34 KB	-rw-r--r--
ImathLimits.h	7.76 KB	-rw-r--r--
ImathLine.h	4.74 KB	-rw-r--r--
ImathLineAlgo.h	7.68 KB	-rw-r--r--
ImathMath.h	7.17 KB	-rw-r--r--
ImathMatrix.h	82.42 KB	-rw-r--r--
ImathMatrixAlgo.h	37.97 KB	-rw-r--r--
ImathNamespace.h	4.38 KB	-rw-r--r--
ImathPlane.h	6.75 KB	-rw-r--r--
ImathPlatform.h	3.23 KB	-rw-r--r--
ImathQuat.h	20.94 KB	-rw-r--r--
ImathRandom.h	9.84 KB	-rw-r--r--
ImathRoots.h	5.62 KB	-rw-r--r--
ImathShear.h	13.85 KB	-rw-r--r--
ImathSphere.h	4.68 KB	-rw-r--r--
ImathVec.h	44.17 KB	-rw-r--r--
ImathVecAlgo.h	4.64 KB	-rw-r--r--
ImfAcesFile.h	10.27 KB	-rw-r--r--
ImfArray.h	6.79 KB	-rw-r--r--
ImfAttribute.h	10.36 KB	-rw-r--r--
ImfB44Compressor.h	3.67 KB	-rw-r--r--
ImfBoxAttribute.h	3.1 KB	-rw-r--r--
ImfCRgbaFile.h	12.5 KB	-rw-r--r--
ImfChannelList.h	11.2 KB	-rw-r--r--
ImfChannelListAttribute.h	2.69 KB	-rw-r--r--
ImfChromaticities.h	4.45 KB	-rw-r--r--
ImfChromaticitiesAttribute.h	2.74 KB	-rw-r--r--
ImfCompositeDeepScanLine.h	5.38 KB	-rw-r--r--
ImfCompression.h	3.25 KB	-rw-r--r--
ImfCompressionAttribute.h	2.71 KB	-rw-r--r--
ImfConvert.h	3.39 KB	-rw-r--r--
ImfDeepCompositing.h	5.97 KB	-rw-r--r--
ImfDeepFrameBuffer.h	8.79 KB	-rw-r--r--
ImfDeepImageState.h	3.67 KB	-rw-r--r--
ImfDeepImageStateAttribute.h	2.64 KB	-rw-r--r--
ImfDeepScanLineInputFile.h	11.01 KB	-rw-r--r--
ImfDeepScanLineInputPart.h	6.9 KB	-rw-r--r--
ImfDeepScanLineOutputFile.h	9.37 KB	-rw-r--r--
ImfDeepScanLineOutputPart.h	6.41 KB	-rw-r--r--
ImfDeepTiledInputFile.h	16.08 KB	-rw-r--r--
ImfDeepTiledInputPart.h	13.27 KB	-rw-r--r--
ImfDeepTiledOutputFile.h	18.1 KB	-rw-r--r--
ImfDeepTiledOutputPart.h	14.83 KB	-rw-r--r--
ImfDoubleAttribute.h	2.29 KB	-rw-r--r--
ImfEnvmap.h	11.29 KB	-rw-r--r--
ImfEnvmapAttribute.h	2.67 KB	-rw-r--r--
ImfExport.h	2.11 KB	-rw-r--r--
ImfFloatAttribute.h	2.26 KB	-rw-r--r--
ImfForward.h	3.48 KB	-rw-r--r--
ImfFrameBuffer.h	11.18 KB	-rw-r--r--
ImfFramesPerSecond.h	3.79 KB	-rw-r--r--
ImfGenericInputFile.h	2.26 KB	-rw-r--r--
ImfGenericOutputFile.h	2.44 KB	-rw-r--r--
ImfHeader.h	19.27 KB	-rw-r--r--
ImfHuf.h	2.86 KB	-rw-r--r--
ImfIO.h	7.45 KB	-rw-r--r--
ImfInputFile.h	8.28 KB	-rw-r--r--
ImfInputPart.h	3.52 KB	-rw-r--r--
ImfInt64.h	2.24 KB	-rw-r--r--
ImfIntAttribute.h	2.27 KB	-rw-r--r--
ImfKeyCode.h	4.9 KB	-rw-r--r--
ImfKeyCodeAttribute.h	2.65 KB	-rw-r--r--
ImfLineOrder.h	2.42 KB	-rw-r--r--
ImfLineOrderAttribute.h	2.67 KB	-rw-r--r--
ImfLut.h	5.12 KB	-rw-r--r--
ImfMatrixAttribute.h	3.65 KB	-rw-r--r--
ImfMisc.h	16.33 KB	-rw-r--r--
ImfMultiPartInputFile.h	3.94 KB	-rw-r--r--
ImfMultiPartOutputFile.h	4.29 KB	-rw-r--r--
ImfMultiView.h	6.29 KB	-rw-r--r--
ImfName.h	3.52 KB	-rw-r--r--
ImfNamespace.h	4.46 KB	-rw-r--r--
ImfOpaqueAttribute.h	3.55 KB	-rw-r--r--
ImfOutputFile.h	9.66 KB	-rw-r--r--
ImfOutputPart.h	3.04 KB	-rw-r--r--
ImfPartHelper.h	7.66 KB	-rw-r--r--
ImfPartType.h	2.38 KB	-rw-r--r--
ImfPixelType.h	2.34 KB	-rw-r--r--
ImfPreviewImage.h	4.65 KB	-rw-r--r--
ImfPreviewImageAttribute.h	2.68 KB	-rw-r--r--
ImfRational.h	3.17 KB	-rw-r--r--
ImfRationalAttribute.h	2.63 KB	-rw-r--r--
ImfRgba.h	3.08 KB	-rw-r--r--
ImfRgbaFile.h	13.09 KB	-rw-r--r--
ImfRgbaYca.h	8.21 KB	-rw-r--r--
ImfStandardAttributes.h	13.26 KB	-rw-r--r--
ImfStringAttribute.h	2.58 KB	-rw-r--r--
ImfStringVectorAttribute.h	2.7 KB	-rw-r--r--
ImfTestFile.h	3.55 KB	-rw-r--r--
ImfThreading.h	4.24 KB	-rw-r--r--
ImfTileDescription.h	3.13 KB	-rw-r--r--
ImfTileDescriptionAttribute.h	2.7 KB	-rw-r--r--
ImfTiledInputFile.h	13.82 KB	-rw-r--r--
ImfTiledInputPart.h	4.55 KB	-rw-r--r--
ImfTiledOutputFile.h	17.83 KB	-rw-r--r--
ImfTiledOutputPart.h	4.75 KB	-rw-r--r--
ImfTiledRgbaFile.h	15.89 KB	-rw-r--r--
ImfTimeCode.h	7 KB	-rw-r--r--
ImfTimeCodeAttribute.h	2.64 KB	-rw-r--r--
ImfVecAttribute.h	4.45 KB	-rw-r--r--
ImfVersion.h	4.64 KB	-rw-r--r--
ImfWav.h	2.73 KB	-rw-r--r--
ImfXdr.h	18.74 KB	-rw-r--r--
OpenEXRConfig.h	1.8 KB	-rw-r--r--
half.h	17.22 KB	-rw-r--r--
halfExport.h	757 B	-rw-r--r--
halfFunction.h	4.83 KB	-rw-r--r--
halfLimits.h	3.73 KB	-rw-r--r--

Code Editor : ImathColorAlgo.h

///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2002-2012, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// *       Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// *       Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// *       Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission. 
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////

#ifndef INCLUDED_IMATHCOLORALGO_H
#define INCLUDED_IMATHCOLORALGO_H

#include "ImathColor.h"
#include "ImathExport.h"
#include "ImathMath.h"
#include "ImathLimits.h"
#include "ImathNamespace.h"

IMATH_INTERNAL_NAMESPACE_HEADER_ENTER

//
//	Non-templated helper routines for color conversion.
//	These routines eliminate type warnings under g++.
//

IMATH_EXPORT Vec3<double>	hsv2rgb_d(const Vec3<double> &hsv);

IMATH_EXPORT Color4<double>	hsv2rgb_d(const Color4<double> &hsv);

IMATH_EXPORT Vec3<double>	rgb2hsv_d(const Vec3<double> &rgb);

IMATH_EXPORT Color4<double>	rgb2hsv_d(const Color4<double> &rgb);

//
//	Color conversion functions and general color algorithms
//
//	hsv2rgb(), rgb2hsv(), rgb2packed(), packed2rgb()
//	see each funtion definition for details.
//

template<class T> 
Vec3<T>  
hsv2rgb(const Vec3<T> &hsv)
{
    if ( limits<T>::isIntegral() )
    {
	Vec3<double> v = Vec3<double>(hsv.x / double(limits<T>::max()),
				      hsv.y / double(limits<T>::max()),
				      hsv.z / double(limits<T>::max()));
	Vec3<double> c = hsv2rgb_d(v);
	return Vec3<T>((T) (c.x * limits<T>::max()),
		       (T) (c.y * limits<T>::max()),
		       (T) (c.z * limits<T>::max()));
    }
    else
    {
	Vec3<double> v = Vec3<double>(hsv.x, hsv.y, hsv.z);
	Vec3<double> c = hsv2rgb_d(v);
	return Vec3<T>((T) c.x, (T) c.y, (T) c.z);
    }
}

template<class T> 
Color4<T>  
hsv2rgb(const Color4<T> &hsv)
{
    if ( limits<T>::isIntegral() )
    {
	Color4<double> v = Color4<double>(hsv.r / float(limits<T>::max()),
					  hsv.g / float(limits<T>::max()),
					  hsv.b / float(limits<T>::max()),
					  hsv.a / float(limits<T>::max()));
	Color4<double> c = hsv2rgb_d(v);
	return Color4<T>((T) (c.r * limits<T>::max()),
    	    	    	 (T) (c.g * limits<T>::max()),
    	    	    	 (T) (c.b * limits<T>::max()),
			 (T) (c.a * limits<T>::max()));
    }
    else
    {
	Color4<double> v = Color4<double>(hsv.r, hsv.g, hsv.b, hsv.a);
	Color4<double> c = hsv2rgb_d(v);
	return Color4<T>((T) c.r, (T) c.g, (T) c.b, (T) c.a);
    }
}

template<class T> 
Vec3<T>  
rgb2hsv(const Vec3<T> &rgb)
{
    if ( limits<T>::isIntegral() )
    {
	Vec3<double> v = Vec3<double>(rgb.x / double(limits<T>::max()),
				      rgb.y / double(limits<T>::max()),
				      rgb.z / double(limits<T>::max()));
	Vec3<double> c = rgb2hsv_d(v);
	return Vec3<T>((T) (c.x * limits<T>::max()),
		       (T) (c.y * limits<T>::max()),
		       (T) (c.z * limits<T>::max()));
    }
    else
    {
	Vec3<double> v = Vec3<double>(rgb.x, rgb.y, rgb.z);
	Vec3<double> c = rgb2hsv_d(v);
	return Vec3<T>((T) c.x, (T) c.y, (T) c.z);
    }
}

template<class T> 
Color4<T>  
rgb2hsv(const Color4<T> &rgb)
{
    if ( limits<T>::isIntegral() )
    {
	Color4<double> v = Color4<double>(rgb.r / float(limits<T>::max()),
					  rgb.g / float(limits<T>::max()),
					  rgb.b / float(limits<T>::max()),
					  rgb.a / float(limits<T>::max()));
	Color4<double> c = rgb2hsv_d(v);
	return Color4<T>((T) (c.r * limits<T>::max()),
    	    	    	 (T) (c.g * limits<T>::max()),
    	    	    	 (T) (c.b * limits<T>::max()),
			 (T) (c.a * limits<T>::max()));
    }
    else
    {
	Color4<double> v = Color4<double>(rgb.r, rgb.g, rgb.b, rgb.a);
	Color4<double> c = rgb2hsv_d(v);
	return Color4<T>((T) c.r, (T) c.g, (T) c.b, (T) c.a);
    }
}

template <class T>
PackedColor
rgb2packed(const Vec3<T> &c)
{
    if ( limits<T>::isIntegral() )
    {
	float x = c.x / float(limits<T>::max());
	float y = c.y / float(limits<T>::max());
	float z = c.z / float(limits<T>::max());
	return rgb2packed( V3f(x,y,z) );
    }
    else
    {
	return (  (PackedColor) (c.x * 255)		|
		(((PackedColor) (c.y * 255)) << 8)	|
		(((PackedColor) (c.z * 255)) << 16)	| 0xFF000000 );
    }
}

template <class T>
PackedColor
rgb2packed(const Color4<T> &c)
{
    if ( limits<T>::isIntegral() )
    {
	float r = c.r / float(limits<T>::max());
	float g = c.g / float(limits<T>::max());
	float b = c.b / float(limits<T>::max());
	float a = c.a / float(limits<T>::max());
	return rgb2packed( C4f(r,g,b,a) );
    }
    else
    {
	return (  (PackedColor) (c.r * 255)		|
		(((PackedColor) (c.g * 255)) << 8)	|
		(((PackedColor) (c.b * 255)) << 16)	|
		(((PackedColor) (c.a * 255)) << 24));
    }
}

//
//	This guy can't return the result because the template
//	parameter would not be in the function signiture. So instead,
//	its passed in as an argument.
//

template <class T>
void
packed2rgb(PackedColor packed, Vec3<T> &out)
{
    if ( limits<T>::isIntegral() )
    {
	T f = limits<T>::max() / ((PackedColor)0xFF);
	out.x =  (packed &     0xFF) * f;
	out.y = ((packed &   0xFF00) >>  8) * f;
	out.z = ((packed & 0xFF0000) >> 16) * f;
    }
    else
    {
	T f = T(1) / T(255);
	out.x =  (packed &     0xFF) * f;
	out.y = ((packed &   0xFF00) >>  8) * f;
	out.z = ((packed & 0xFF0000) >> 16) * f;
    }
}

template <class T>
void
packed2rgb(PackedColor packed, Color4<T> &out)
{
    if ( limits<T>::isIntegral() )
    {
	T f = limits<T>::max() / ((PackedColor)0xFF);
	out.r =  (packed &       0xFF) * f;
	out.g = ((packed &     0xFF00) >>  8) * f;
	out.b = ((packed &   0xFF0000) >> 16) * f;
	out.a = ((packed & 0xFF000000) >> 24) * f;
    }
    else
    {
	T f = T(1) / T(255);
	out.r =  (packed &       0xFF) * f;
	out.g = ((packed &     0xFF00) >>  8) * f;
	out.b = ((packed &   0xFF0000) >> 16) * f;
	out.a = ((packed & 0xFF000000) >> 24) * f;
    }
}

IMATH_INTERNAL_NAMESPACE_HEADER_EXIT

#endif // INCLUDED_IMATHCOLORALGO_H

${this.title}

Code Editor : ImathColorAlgo.h