mitkColorProperty.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef mitkColorProperty_h
#define mitkColorProperty_h
 
#include <mitkBaseProperty.h>
#include <MitkCoreExports.h>
 
#include <itkRGBPixel.h>
 
#include <nlohmann/json.hpp>
 
namespace mitk
{
  typedef itk::RGBPixel<float> Color;
 
  inline Color MakeColor(float r, float g, float b)
  {
    Color color;
    color.Set(r, g, b);
    return color;
  }
 
  class MITKCORE_EXPORT ColorProperty : public BaseProperty
  {
  protected:
    mitk::Color m_Color;
 
    ColorProperty();
 
    ColorProperty(const ColorProperty &other);
 
    ColorProperty(const float red, const float green, const float blue);
 
    ColorProperty(const float color[3]);
 
    ColorProperty(const mitk::Color &color);
 
    mitkCloneMacro(ColorProperty);
 
  public:
    mitkClassMacro(ColorProperty, BaseProperty);
    itkFactorylessNewMacro(Self);
    itkCloneMacro(Self) mitkNewMacro1Param(ColorProperty, const float *);
    mitkNewMacro1Param(ColorProperty, const mitk::Color &);
    mitkNewMacro3Param(ColorProperty, const float, const float, const float);
 
    typedef mitk::Color ValueType;
 
    const mitk::Color &GetColor() const;
 
    const mitk::Color &GetValue() const;
 
    std::string GetValueAsString() const override;
 
    void SetColor(const mitk::Color &color);
 
    void SetValue(const mitk::Color &color);
 
    void SetColor(float red, float green, float blue);
 
    bool ToJSON(nlohmann::json &j) const override;
 
    bool FromJSON(const nlohmann::json &j) override;
 
    using BaseProperty::operator=;
 
  private:
    // purposely not implemented
    ColorProperty &operator=(const ColorProperty &);
 
    bool IsEqual(const BaseProperty &property) const override;
    bool Assign(const BaseProperty &property) override;
  };
 
 
} // namespace mitk
 
namespace itk
{
  template <typename TComponent>
  void to_json(nlohmann::json& j, const RGBPixel<TComponent>& c)
  {
    j = nlohmann::json::array();
 
    for (size_t i = 0; i < 3; ++i)
      j.push_back(c[i]);
  }
 
  template <typename TComponent>
  void from_json(const nlohmann::json& j, RGBPixel<TComponent>& c)
  {
    for (size_t i = 0; i < 3; ++i)
      j.at(i).get_to(c[i]);
  }
} // namespace itk
 
#endif