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OpenSpace/modules/iswa/rendering/datacygnet.h
Alexander Bock d7d279ea16 Happy new year
2022-01-01 12:32:55 +01:00

104 lines
4.3 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2022 *
* *
* 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. *
****************************************************************************************/
#ifndef __OPENSPACE_MODULE_ISWA___DATACYGNET___H__
#define __OPENSPACE_MODULE_ISWA___DATACYGNET___H__
#include <modules/iswa/rendering/iswacygnet.h>
#include <openspace/properties/selectionproperty.h>
#include <openspace/properties/stringproperty.h>
#include <openspace/properties/vector/vec2property.h>
#include <glm/gtx/std_based_type.hpp>
namespace openspace {
class DataProcessor;
/**
* This class abstracts away the the loading of data and creation of textures for all data
* cygnets. It specifies the interface that needs to be implemented for all concrete
* subclasses
*/
class DataCygnet : public IswaCygnet {
public:
DataCygnet(const ghoul::Dictionary& dictionary);
~DataCygnet();
protected:
bool updateTexture() override;
void fillOptions(const std::string& source);
/**
* Loads the transferfunctions specified in tfPath into _transferFunctions list.
*
* \param tfPath Path to transfer function file
*/
void readTransferFunctions(std::string tfPath);
/**
* This function binds and sets all textures that should go to the shader program,
* this includes both the data and transferfunctions.
*/
void setTextureUniforms();
/**
* Sets and defines the on-change handlers for the gui properties.
*/
void setPropertyCallbacks();
/**
* Subscribes to the group events that are shared by all DataCygnets
*/
void subscribeToGroup();
/**
* Optional interface method. this has an implementation in datacygnet.cpp, but needs
* to be overriden for kameleonplane
*/
virtual bool updateTextureResource() override;
virtual std::vector<float*> textureData() = 0;
properties::SelectionProperty _dataOptions;
properties::StringProperty _transferFunctionsFile;
properties::Vec2Property _backgroundValues;
properties::Vec2Property _normValues;
properties::BoolProperty _useLog;
properties::BoolProperty _useHistogram;
properties::BoolProperty _autoFilter;
std::shared_ptr<DataProcessor> _dataProcessor;
std::string _dataBuffer;
glm::size3_t _textureDimensions = glm::size3_t(0);
private:
bool readyToRender() const override;
bool downloadTextureResource(double timestamp) override;
};
} //namespace openspace
#endif // __OPENSPACE_MODULE_ISWA___DATACYGNET___H__