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/**
*
* @file plugins/MatrixVisualizer/Common/Zoom.hpp
*
* @copyright 2008-2024 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria,
* Univ. Bordeaux. All rights reserved.
*
* @author Hamza Benmendil
* @author Johnny Jazeix
* @author Camille Ordronneau
*
* @date 2024-07-17
*/
#ifndef ZOOM_HPP
#define ZOOM_HPP
#include <QOpenGLFunctions>
#include "../Formats/SymbolMatrix.hpp"
/**
* \class Zoom
* \brief This is an abstract class, it contains the attributes and functions that all the sub-classes need
*
*/
class Zoom
{
public:
/**
* \brief The size of the color matrix
*
*/
static const int DEFAULT_LEVEL = 1024;
public:
/**
* \fn Zoom(symbol_matrix_t* matrix)
* \brief Construct a zoom object
* \param matrix The matrix where the zoom is applied
*/
Zoom(symbol_matrix_t *matrix);
/**
* \fn virtual ~Zoom()
* \brief Destroy the Zoom object
*/
virtual ~Zoom();
/**
* \fn GLfloat getColor(int x, int y) const
* \brief Get the Color in x an y coordinates
* \param x first coordinate
* \param y second coordinate
* \return A color of type GLfloat
*/
GLfloat getColor(int x, int y) const;
/**
* \fn virtual void move(double x_start, double x_end, double y_start, double y_end) = 0
* \brief A virtual function, it is the function that is called when the zoom is applied
* \param x_start The start of x coordinate of the selected zone
* \param x_end The end of x coordinate of the selected zone
* \param y_start The start of y coordinate of the selected zone
* \param y_end The end of y coordinate of the selected zone
*/
virtual void move(double x_start, double x_end, double y_start, double y_end) = 0;
protected:
/**
* \brief A pointer to the matrix to display
*
*/
symbol_matrix_t *m_matrix;
/**
* \brief The color matrix that is painted on the display
*
*/
GLfloat m_colors[DEFAULT_LEVEL][DEFAULT_LEVEL];
};
#endif
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