Slicing.h

#pragma once

#include "Shader.h"
#include "GLM/gtx.hpp"
#include "GLM/gtc.hpp"
#include "GLM/gtx/type_ptr.hpp"


class Slicing

{

public:
        Slicing();
        ~Slicing();

        void init();
        void resize(int width, int height);
        void render();

        void setSlicingTextureHandle(GLuint tex);
        void setTransferTextureHandle(GLuint tex);
        void setTransferFunction(bool active);
        void setVolumeSize(float width, float height,float depth);
        void setTextureLoaded(bool loaded);

        void setXSlice(float x);
        void setYSlice(float y);
        void setZSlice(float z);

protected:

private:
        Shader* shader;
        int screenWidth;
        int screenHeight;
        glm::mat4 view;

        bool textureLoaded;
        float volumeWidth;
        float volumeHeight;
        float volumeDepth;

        glm::vec4* quadVerticesX;
        glm::vec4* quadVerticesY;
        glm::vec4* quadVerticesZ;

        glm::vec3* quadTexCoordsX;
        glm::vec3* quadTexCoordsY;
        glm::vec3* quadTexCoordsZ;

        GLuint slicingTextureHandle;
        GLuint transferTextureHandle;
        bool transferFunction;

        void calculateTexturePosition();
        void setQuadVerticesX(float PosX, float PosY, float sizeX, float sizeY);
        void setQuadVerticesY(float PosX, float PosY, float sizeX, float sizeY);
        void setQuadVerticesZ(float PosX, float PosY, float sizeX, float sizeY);
};