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#ifndef FRACTAL_H_0585D362
#define FRACTAL_H_0585D362
#include <map>
#include <string>
#include <vector>
#include <list>
#include "matrix3x3.h"
#include "color.h"
class Variation {
public:
enum class Type {
linear,
sinusoidal,
spherical,
eyefish,
bubble,
cylinder,
noise,
blur,
horseshoe,
swirl,
julian,
hyperbolic,
polar,
handkerchief,
heart,
disc,
spiral,
diamond,
ex,
julia,
bent,
fisheye
};
Variation(Type _type, double _weight, std::vector<double> _params = {});
const Type type;
const double weight;
const std::vector<double> params;
};
class Fractal {
public:
void set_palette(std::string colors);
void add_transform(double weight, Matrix3x3 transform, double color, std::vector<Variation> variations);
void sample(double& x, double& y, double& c) const;
Color get_color(double c) const;
static int load(const char* filename, Fractal& fractal);
static Fractal random(std::string colorsfile);
double filterlevel = 0.5;
double gamma = 2.2;
double gammathresh = 0.01;
double brightness = 4.0;
double width = 800.0;
double height = 640.0;
private:
friend class FractalParser;
struct Transform {
Matrix3x3 transform;
double color;
std::vector<Variation> variations;
Transform()
{
}
Transform(Matrix3x3 transform, double color, std::vector<Variation> variations) : transform(transform), color(color), variations(variations)
{
}
};
std::map<double, Transform> transforms;
double max = 0.0;
std::vector<Color> palette;
};
class LogScale {
public:
LogScale(double brightness, double quality);
double log(double n) const;
private:
std::vector<double> memo;
double k1;
double k2;
};
#endif /* end of include guard: FRACTAL_H_0585D362 */
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