font_family.h

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#pragma once
#include <cstdint>
#include <memory>
#include <ostream>
#include <stdexcept>
#include <vector>
#include <xtd/object.h>
#include <xtd/ustring.h>
#include "../drawing_export.h"
#include "font_style.h"
#include "text/generic_font_families.h"
 
namespace xtd {
  namespace drawing {
    namespace text {
      class font_collection;
    }
 
    class drawing_export_ font_family final : public object {
    public:
      font_family(const xtd::ustring& name);
 
      font_family(text::generic_font_families generic_font_families);
 
      font_family(const xtd::ustring& name, const text::font_collection& font_collection);
      
      ~font_family();
      font_family(const font_family& value);
      font_family() = default;
      font_family& operator=(const font_family& value);
      bool operator==(const font_family& value) const {return data_->name_ == value.data_->name_;}
      bool operator!=(const font_family& value) const {return !operator==(value);}
      
      static std::vector<font_family> families();
      
      static font_family generic_monospace() {return font_family(text::generic_font_families::monospace);}
      
      static font_family generic_sans_serif() {return font_family(text::generic_font_families::sans_serif);}
      
      static font_family generic_serif() {return font_family(text::generic_font_families::serif);}
      
      const xtd::ustring& name() const {return data_->name_;}
      
      int32_t get_cell_ascent(font_style style) const;
      
      int32_t get_cell_descent(font_style style) const;
      
      int32_t get_em_height(font_style style) const;
      
      int32_t get_line_spacing(font_style style) const;
      
      xtd::ustring get_name(int32_t language) const;
 
      bool is_style_available(font_style style) const;
 
      xtd::ustring to_string() const noexcept override {return ustring::format("[{}: name={}]", ustring::class_name(*this), data_->name_);}
      
      friend std::ostream& operator<<(std::ostream& os, const xtd::drawing::font_family& font_family) noexcept {
        return os << font_family.to_string();
      }
 
    private:
      struct data {
        intptr_t handle_ = 0;
        xtd::ustring name_;
      };
      std::shared_ptr<data> data_ = std::make_shared<data>();
    };
  }
}