Files
OpenSpace/modules/globebrowsing/src/layerrendersettings.cpp
2024-04-23 22:33:17 +02:00

103 lines
4.5 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2024 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#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.",
openspace::properties::Property::Visibility::User
};
constexpr openspace::properties::Property::PropertyInfo GammaInfo = {
"Gamma",
"Gamma",
"This value is used as an exponent to adjust the color for each tile.",
openspace::properties::Property::Visibility::User
};
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.",
openspace::properties::Property::Visibility::User
};
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.",
openspace::properties::Property::Visibility::AdvancedUser
};
} // namespace
namespace openspace::globebrowsing {
LayerRenderSettings::LayerRenderSettings()
: properties::PropertyOwner({ "Settings" })
, 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(gamma);
addProperty(multiplier);
addProperty(offset);
addProperty(setDefault);
setDefault.onChange([this](){
gamma = 1.f;
multiplier = 1.f;
offset = 0.f;
});
}
void LayerRenderSettings::onChange(const std::function<void()>& callback) {
gamma.onChange(callback);
multiplier.onChange(callback);
multiplier.onChange(callback);
offset.onChange(callback);
}
float LayerRenderSettings::performLayerSettings(float value) const {
return
((glm::sign(value) * glm::pow(glm::abs(value), gamma) * multiplier) + offset);
}
glm::vec4 LayerRenderSettings::performLayerSettings(const glm::vec4& currentValue) const {
return glm::vec4(
performLayerSettings(currentValue.r),
performLayerSettings(currentValue.g),
performLayerSettings(currentValue.b),
performLayerSettings(currentValue.a)
);
}
} // namespace openspace::globebrowsing