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Created texture and texture coord calculations

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This commit is contained in:
Magne Sjaastad
2014-08-10 09:50:50 +02:00
parent e9b67a9599
commit 0440e21f27
3 changed files with 103 additions and 14 deletions
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73
ApplicationCode/ModelVisualization/ModelVisualization_UnitTests/RivTernaryScalarMapper-Test.cpp
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@@ -18,18 +18,12 @@
#include "gtest/gtest.h"
// #include "cvfLibCore.h"
// #include "cvfLibViewing.h"
// #include "cvfLibRender.h"
// #include "cvfLibGeometry.h"
//
// #include "RivPipeGeometryGenerator.h"
#include "RivTernaryScalarMapper.h"
#include "cvfTextureImage.h"
#include "cvfqtUtils.h"
#include <QImage>
#include "cvfqtUtils.h"
//--------------------------------------------------------------------------------------------------
///
@@ -43,7 +37,66 @@ TEST(TernaryScalarMapperTest, BasicFunctions)
QImage img = cvfqt::Utils::toQImage(*(texImage.p()));
img.save("c:/tmp/test.bmp");
img.save("c:/tmp/test.png");
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(TernaryScalarMapperTest, TextureMapping)
{
cvf::ref<RivTernaryScalarMapper> scalarMapper = new RivTernaryScalarMapper(cvf::Color3f::GRAY, 0.8f);
// Without opacity
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord(0.0, 0.0, false);
EXPECT_DOUBLE_EQ(0.0, texCoord.x());
EXPECT_DOUBLE_EQ(0.0, texCoord.y());
}
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord(1.0, 0.0, false);
EXPECT_DOUBLE_EQ(1.0, texCoord.x());
EXPECT_DOUBLE_EQ(0.0, texCoord.y());
}
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord(0.0, 1.0, false);
EXPECT_DOUBLE_EQ(0.0, texCoord.x());
EXPECT_DOUBLE_EQ(0.5, texCoord.y());
}
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord(3.0, 3.0, false);
EXPECT_DOUBLE_EQ(1.0, texCoord.x());
EXPECT_DOUBLE_EQ(0.0, texCoord.y());
}
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord(-1.0, -1.0, false);
EXPECT_DOUBLE_EQ(0.0, texCoord.x());
EXPECT_DOUBLE_EQ(0.0, texCoord.y());
}
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord(0.5, 3.0, false);
EXPECT_DOUBLE_EQ(0.5, texCoord.x());
EXPECT_DOUBLE_EQ(0.25, texCoord.y());
}
// Opacity
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord(0.0, 0.0, true);
EXPECT_DOUBLE_EQ(0.0, texCoord.x());
EXPECT_DOUBLE_EQ(0.5, texCoord.y());
}
{
cvf::Vec2f texCoord = scalarMapper->mapToTextureCoord(0.0, 1.0, true);
EXPECT_DOUBLE_EQ(0.0, texCoord.x());
EXPECT_DOUBLE_EQ(1.0, texCoord.y());
}
}