core.h

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#pragma once
 
#include <cstdint>
#include <functional>
#include <memory>
#include <vector>
 
#include "bitmap/rgba.h"
#include "rasterizer/scanline.h"
#include "state.h"
 
namespace geometrize
{
class Bitmap;
}
 
namespace geometrize
{
 
namespace core
{
 
using EnergyFunction = std::function<double(
    const std::vector<geometrize::Scanline>& lines,
    const std::uint32_t alpha,
    const geometrize::Bitmap& target,
    const geometrize::Bitmap& current,
    geometrize::Bitmap& buffer,
    double score)>;
 
double defaultEnergyFunction(
        const std::vector<geometrize::Scanline>& lines,
        const std::uint32_t alpha,
        const geometrize::Bitmap& target,
        const geometrize::Bitmap& current,
        geometrize::Bitmap& buffer,
        double score);
 
geometrize::rgba computeColor(
        const geometrize::Bitmap& target,
        const geometrize::Bitmap& current,
        const std::vector<geometrize::Scanline>& lines,
        std::uint8_t alpha);
 
double differenceFull(const geometrize::Bitmap& first, const geometrize::Bitmap& second);
 
double differencePartial(
        const geometrize::Bitmap& target,
        const geometrize::Bitmap& before,
        const geometrize::Bitmap& after,
        double score,
        const std::vector<Scanline>& lines);
 
geometrize::State bestHillClimbState(
        const std::function<std::shared_ptr<geometrize::Shape>(void)>& shapeCreator,
        std::uint32_t alpha,
        std::uint32_t n,
        std::uint32_t age,
        const geometrize::Bitmap& target,
        const geometrize::Bitmap& current,
        geometrize::Bitmap& buffer,
        double lastScore,
        const EnergyFunction& customEnergyFunction = nullptr);
 
}
 
}