Files
OpenSpace/modules/globebrowsing/src/layerrendersettings.cpp
Alexander Bock 12bb47c71e Recalculate chunk bounding boxes when the settings of a heightlayer change (closes #2096)
* Correctly calculate Offset when negative numbers are involved
* Adds tile index layer for the Moon
* Remove empty spaces
2022-11-07 15:45:54 +01:00

113 lines
4.8 KiB
C++

/*****************************************************************************************
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#include <modules/globebrowsing/src/layerrendersettings.h>
namespace {
constexpr openspace::properties::Property::PropertyInfo SetDefaultInfo = {
"SetDefault",
"Set Default",
"If this value is triggered it will reset all of these values to their default "
"values"
};
constexpr openspace::properties::Property::PropertyInfo OpacityInfo = {
"Opacity",
"Opacity",
"This value sets the transparency of this layer. If this value is equal to '1', "
"the layer is completely opaque. If this value is equal to '0', the layer is "
"completely transparent"
};
constexpr openspace::properties::Property::PropertyInfo GammaInfo = {
"Gamma",
"Gamma",
"This value is used as an exponent to adjust the color for each tile"
};
constexpr openspace::properties::Property::PropertyInfo MultiplierInfo = {
"Multiplier",
"Multiplier",
"This value is used as a multiplier to adjust the color applied after taking the "
"gamma value as an exponent"
};
constexpr openspace::properties::Property::PropertyInfo OffsetInfo = {
"Offset",
"Offset",
"This value is used as an additive modifier to adjust the color applied after "
"the gamma exponent and the multiplier has been performed"
};
} // namespace
namespace openspace::globebrowsing {
LayerRenderSettings::LayerRenderSettings()
: properties::PropertyOwner({ "Settings" })
, opacity(OpacityInfo, 1.f, 0.f, 1.f)
, gamma(GammaInfo, 1.f, 0.f, 5.f)
, multiplier(MultiplierInfo, 1.f, 0.f, 20.f)
, offset(OffsetInfo, 0.f, -10000.f, 10000.f)
, setDefault(SetDefaultInfo)
{
addProperty(opacity);
addProperty(gamma);
addProperty(multiplier);
addProperty(offset);
addProperty(setDefault);
setDefault.onChange([this](){
opacity = 1.f;
gamma = 1.f;
multiplier = 1.f;
offset = 0.f;
});
}
void LayerRenderSettings::onChange(std::function<void()> callback) {
opacity.onChange(callback);
gamma.onChange(callback);
multiplier.onChange(callback);
multiplier.onChange(callback);
offset.onChange(callback);
}
float LayerRenderSettings::performLayerSettings(float v) const {
return
((glm::sign(v) * glm::pow(glm::abs(v), gamma) * multiplier) + offset) * opacity;
}
glm::vec4 LayerRenderSettings::performLayerSettings(const glm::vec4& currentValue) const {
glm::vec4 newValue = glm::vec4(
performLayerSettings(currentValue.r),
performLayerSettings(currentValue.g),
performLayerSettings(currentValue.b),
performLayerSettings(currentValue.a)
);
return newValue;
}
} // namespace openspace::globebrowsing