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