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104 lines
4.3 KiB
C++
104 lines
4.3 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2022 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __OPENSPACE_MODULE_ISWA___DATACYGNET___H__
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#define __OPENSPACE_MODULE_ISWA___DATACYGNET___H__
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#include <modules/iswa/rendering/iswacygnet.h>
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#include <openspace/properties/selectionproperty.h>
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#include <openspace/properties/stringproperty.h>
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#include <openspace/properties/vector/vec2property.h>
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#include <glm/gtx/std_based_type.hpp>
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namespace openspace {
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class DataProcessor;
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/**
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* This class abstracts away the the loading of data and creation of textures for all data
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* cygnets. It specifies the interface that needs to be implemented for all concrete
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* subclasses
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*/
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class DataCygnet : public IswaCygnet {
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public:
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DataCygnet(const ghoul::Dictionary& dictionary);
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~DataCygnet();
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protected:
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bool updateTexture() override;
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void fillOptions(const std::string& source);
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/**
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* Loads the transferfunctions specified in tfPath into _transferFunctions list.
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*
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* \param tfPath Path to transfer function file
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*/
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void readTransferFunctions(std::string tfPath);
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/**
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* This function binds and sets all textures that should go to the shader program,
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* this includes both the data and transferfunctions.
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*/
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void setTextureUniforms();
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/**
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* Sets and defines the on-change handlers for the gui properties.
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*/
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void setPropertyCallbacks();
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/**
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* Subscribes to the group events that are shared by all DataCygnets
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*/
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void subscribeToGroup();
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/**
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* Optional interface method. this has an implementation in datacygnet.cpp, but needs
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* to be overriden for kameleonplane
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*/
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virtual bool updateTextureResource() override;
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virtual std::vector<float*> textureData() = 0;
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properties::SelectionProperty _dataOptions;
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properties::StringProperty _transferFunctionsFile;
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properties::Vec2Property _backgroundValues;
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properties::Vec2Property _normValues;
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properties::BoolProperty _useLog;
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properties::BoolProperty _useHistogram;
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properties::BoolProperty _autoFilter;
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std::shared_ptr<DataProcessor> _dataProcessor;
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std::string _dataBuffer;
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glm::size3_t _textureDimensions = glm::size3_t(0);
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private:
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bool readyToRender() const override;
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bool downloadTextureResource(double timestamp) override;
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};
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} //namespace openspace
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#endif // __OPENSPACE_MODULE_ISWA___DATACYGNET___H__
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