ResInsight/ApplicationLibCode/UnitTests/RivTernaryScalarMapper-Test.cpp
2021-01-11 15:27:45 +01:00

104 lines
3.6 KiB
C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) Statoil ASA
// Copyright (C) Ceetron Solutions AS
//
// ResInsight is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#include "gtest/gtest.h"
#include "RivTernaryScalarMapper.h"
#include "cvfTextureImage.h"
#include "cvfqtUtils.h"
#include <QImage>
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST( TernaryScalarMapperTest, BasicFunctions )
{
cvf::ref<RivTernaryScalarMapper> scalarMapper = new RivTernaryScalarMapper( cvf::Color3f::GRAY );
cvf::ref<cvf::TextureImage> texImage = new cvf::TextureImage;
scalarMapper->updateTexture( texImage.p(), 1.0 );
QImage img = cvfqt::Utils::toQImage( *( texImage.p() ) );
img.save( "c:/tmp/test.png" );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST( TernaryScalarMapperTest, TextureMapping )
{
cvf::ref<RivTernaryScalarMapper> scalarMapper = new RivTernaryScalarMapper( cvf::Color3f::GRAY );
// See RivTernaryScalarMapper::mapToTextureCoord
double edgeClampDelta = 1.1 * 0.001;
// Without opacity
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord( 0.0, 0.0, false );
EXPECT_NEAR( 0.0, texCoord.x(), edgeClampDelta );
EXPECT_NEAR( 0.0, texCoord.y(), edgeClampDelta );
}
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord( 1.0, 0.0, false );
EXPECT_NEAR( 1.0, texCoord.x(), edgeClampDelta );
EXPECT_NEAR( 0.0, texCoord.y(), edgeClampDelta );
}
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord( 0.0, 1.0, false );
EXPECT_NEAR( 0.0, texCoord.x(), edgeClampDelta );
EXPECT_NEAR( 0.5, texCoord.y(), edgeClampDelta );
}
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord( 3.0, 3.0, false );
EXPECT_NEAR( 1.0, texCoord.x(), edgeClampDelta );
EXPECT_NEAR( 0.0, texCoord.y(), edgeClampDelta );
}
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord( -1.0, -1.0, false );
EXPECT_NEAR( 0.0, texCoord.x(), edgeClampDelta );
EXPECT_NEAR( 0.0, texCoord.y(), edgeClampDelta );
}
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord( 0.5, 3.0, false );
EXPECT_NEAR( 0.5, texCoord.x(), edgeClampDelta );
EXPECT_NEAR( 0.25, texCoord.y(), edgeClampDelta );
}
// Opacity
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord( 0.0, 0.0, true );
EXPECT_NEAR( 0.0, texCoord.x(), edgeClampDelta );
EXPECT_NEAR( 0.5, texCoord.y(), edgeClampDelta );
}
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord( 0.0, 1.0, true );
EXPECT_NEAR( 0.0, texCoord.x(), edgeClampDelta );
EXPECT_NEAR( 1.0, texCoord.y(), edgeClampDelta );
}
}