///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
//
// All rights reserved.
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// * Redistributions in binary form must reproduce the above
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///////////////////////////////////////////////////////////////////////////
#include <testColor.h>
#include "ImathColor.h"
#include "ImathColorAlgo.h"
#include "ImathLimits.h"
#include "ImathMath.h"
#include <iostream>
#include <assert.h>
using namespace std;
void
testColor ()
{
cout << "Testing functions in ImathColor.h & ImathColorAlgo.h" << endl;
cout << "rgb2packed -> packed2rgb" << endl;
const float epsilon = IMATH_INTERNAL_NAMESPACE::limits< float >::epsilon();
IMATH_INTERNAL_NAMESPACE::PackedColor packed;
IMATH_INTERNAL_NAMESPACE::C3c in3( 52, 128, 254 );
IMATH_INTERNAL_NAMESPACE::C3c out3;
packed = IMATH_INTERNAL_NAMESPACE::rgb2packed( in3 );
IMATH_INTERNAL_NAMESPACE::packed2rgb( packed, out3 );
assert ( in3 == out3 );
IMATH_INTERNAL_NAMESPACE::C4c testConstructor1;
IMATH_INTERNAL_NAMESPACE::C4c testConstructor2( testConstructor1 );
testConstructor1 = testConstructor2; // use these so the compiler doesn't emit a warning
IMATH_INTERNAL_NAMESPACE::C4c testConstructor3( 52, 128, 254, 127 );
IMATH_INTERNAL_NAMESPACE::C4c A( testConstructor3 );
IMATH_INTERNAL_NAMESPACE::C4c B;
IMATH_INTERNAL_NAMESPACE::C4f X, Y, tmp;
packed = IMATH_INTERNAL_NAMESPACE::rgb2packed( A );
IMATH_INTERNAL_NAMESPACE::packed2rgb( packed, B );
assert ( A == B );
cout << "Imath::Color4 * f" << endl;
assert ( ( IMATH_INTERNAL_NAMESPACE::C4f( 0.330f, 0.710f, 0.010f, 0.999f ) * 0.999f ) ==
IMATH_INTERNAL_NAMESPACE::C4f( 0.330f * 0.999f,
0.710f * 0.999f,
0.010f * 0.999f,
0.999f * 0.999f ) );
cout << "Imath::Color4 / f" << endl;
assert ( ( IMATH_INTERNAL_NAMESPACE::C4f( 0.330f, 0.710f, 0.010f, 0.999f ) / 0.999f ) ==
IMATH_INTERNAL_NAMESPACE::C4f( 0.330f / 0.999f,
0.710f / 0.999f,
0.010f / 0.999f,
0.999f / 0.999f ) );
cout << "Assignment and comparison" << endl;
B = A;
assert( B == A );
assert( !( B != A ) );
X = Y = IMATH_INTERNAL_NAMESPACE::C4f( 0.123f, -0.420f, 0.501f, 0.998f );
X *= 0.001f;
assert( IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( Y.r * 0.001f ) - X.r ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( Y.g * 0.001f ) - X.g ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( Y.b * 0.001f ) - X.b ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( Y.a * 0.001f ) - X.a ) <= epsilon );
X = Y = IMATH_INTERNAL_NAMESPACE::C4f( 0.123f, -0.420f, 0.501f, 0.998f );
X /= -1.001f;
assert( IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( Y.r / -1.001f ) - X.r ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( Y.g / -1.001f ) - X.g ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( Y.b / -1.001f ) - X.b ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( Y.a / -1.001f ) - X.a ) <= epsilon );
Y = IMATH_INTERNAL_NAMESPACE::C4f( 0.998f, -0.001f, 0.501f, 1.001f );
X = IMATH_INTERNAL_NAMESPACE::C4f( 0.011f, -0.420f, -0.501f, 0.998f );
tmp = X + Y;
assert( IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.r + Y.r ) - tmp.r ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.g + Y.g ) - tmp.g ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.b + Y.b ) - tmp.b ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.a + Y.a ) - tmp.a ) <= epsilon );
tmp = X - Y;
assert( IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.r - Y.r ) - tmp.r ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.g - Y.g ) - tmp.g ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.b - Y.b ) - tmp.b ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.a - Y.a ) - tmp.a ) <= epsilon );
tmp = X * Y;
assert( IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.r * Y.r ) - tmp.r ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.g * Y.g ) - tmp.g ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.b * Y.b ) - tmp.b ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.a * Y.a ) - tmp.a ) <= epsilon );
tmp = X / Y;
//
// epsilon doesn't work here.
//
assert( IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.r / Y.r ) - tmp.r ) <= 1e-5f &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.g / Y.g ) - tmp.g ) <= 1e-5f &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.b / Y.b ) - tmp.b ) <= 1e-5f &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.a / Y.a ) - tmp.a ) <= 1e-5f );
tmp = X;
tmp += Y;
assert( IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.r + Y.r ) - tmp.r ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.g + Y.g ) - tmp.g ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.b + Y.b ) - tmp.b ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.a + Y.a ) - tmp.a ) <= epsilon );
tmp = X;
tmp -= Y;
assert( IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.r - Y.r ) - tmp.r ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.g - Y.g ) - tmp.g ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.b - Y.b ) - tmp.b ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.a - Y.a ) - tmp.a ) <= epsilon );
tmp = X;
tmp *= Y;
assert( IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.r * Y.r ) - tmp.r ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.g * Y.g ) - tmp.g ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.b * Y.b ) - tmp.b ) <= epsilon &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.a * Y.a ) - tmp.a ) <= epsilon );
tmp = X;
tmp /= Y;
//
// epsilon doesn't work here.
//
assert( IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.r / Y.r ) - tmp.r ) <= 1e-5f &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.g / Y.g ) - tmp.g ) <= 1e-5f &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.b / Y.b ) - tmp.b ) <= 1e-5f &&
IMATH_INTERNAL_NAMESPACE::Math<float>::fabs( ( X.a / Y.a ) - tmp.a ) <= 1e-5f );
cout << "ok\n" << endl;
}