tiles_png_workspace.hpp

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#pragma once
 
#include <map>
#include <optional>
#include <vector>
 
#include "porytiles2/domain/models/canonical_pixel_tile.hpp"
#include "porytiles2/domain/models/image.hpp"
#include "porytiles2/domain/models/index_pixel.hpp"
#include "porytiles2/domain/models/pixel_tile.hpp"
 
namespace porytiles2 {
 
class TilesPngWorkspace {
  public:
    explicit TilesPngWorkspace(std::size_t capacity);
 
    explicit TilesPngWorkspace(const Image<IndexPixel> &img, std::size_t capacity);
 
    [[nodiscard]] bool insert_tile(const CanonicalPixelTile<IndexPixel> &tile);
 
    [[nodiscard]] std::optional<std::size_t> first_occurrence_of(const CanonicalPixelTile<IndexPixel> &tile) const;
 
    [[nodiscard]] CanonicalPixelTile<IndexPixel> tile_at(std::size_t index) const;
 
    [[nodiscard]] Image<IndexPixel> export_canonical_image() const;
 
    [[nodiscard]] Image<IndexPixel> export_original_image() const;
 
    [[nodiscard]] bool at_capacity() const;
 
    [[nodiscard]] std::size_t capacity() const
    {
        return capacity_;
    }
 
  private:
    std::vector<CanonicalPixelTile<IndexPixel>> tiles_;
    std::map<PixelTile<IndexPixel>, std::vector<std::size_t>> canonical_forms_;
    std::size_t cursor_;
    std::size_t capacity_;
};
 
} // namespace porytiles2