bumpscope.h

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#ifndef BUMPSCOPE
#define BUMPSCOPE
 
#include "mainvisual.h"
 
#include <vector>
 
class BumpScope : public VisualBase
{
public:
    BumpScope();
    ~BumpScope() override;
 
    void resize(const QSize &size) override; // VisualBase
    bool process(VisualNode *node) override; // VisualBase
    bool draw(QPainter *p, const QColor &back) override; // VisualBase
    void handleKeyPress([[maybe_unused]] const QString &action) override {}; // VisualBase
 
private:
    static void blur_8(unsigned char *ptr, int w, int h, ptrdiff_t bpl);
 
    void generate_cmap(unsigned int color);
    void generate_phongdat(void);
 
    void translate(int x, int y, int *xo, int *yo, int *xd, int *yd,
                   int *angle) const;
 
    inline void draw_vert_line(unsigned char *buffer, int x, int y1, int y2) const;
    void render_light(int lx, int ly);
 
    static void rgb_to_hsv(unsigned int color, double *h, double *s, double *v);
    static void hsv_to_rgb(double h, double s, double v, unsigned int *color);
 
    QImage        *m_image          {nullptr};
 
    QSize          m_size           {0,0};
 
    unsigned int   m_color          {0x2050FF};
    unsigned int   m_x              {0};
    unsigned int   m_y              {0};
    unsigned int   m_width          {800};
    unsigned int   m_height         {600};
    unsigned int   m_phongRad       {800};
 
    bool           m_colorCycle     {true};
    bool           m_movingLight    {true};
    //bool         m_diamond        {true};
 
    ptrdiff_t      m_bpl            {0};
 
    std::vector<std::vector<unsigned char> > m_phongDat;
    unsigned char *m_rgbBuf         {nullptr};
    std::array<double,256> m_intense1 {};
    std::array<double,256> m_intense2 {};
 
    int            m_iangle         {0};
    int            m_ixo            {0};
    int            m_iyo            {0};
    int            m_ixd            {0};
    int            m_iyd            {0};
    int            m_ilx            {0};
    int            m_ily            {0};
    int            m_wasMoving      {0};
    int            m_wasColor       {0};
    double         m_ih             {0.0};
    double         m_is             {0.0};
    double         m_iv             {0.0};
    double         m_isd            {0.0};
    int            m_ihd            {0};
    unsigned int   m_icolor         {0};
};
 
 
#endif