EHS/include/io/FontAtlas.h

#pragma once

#include "EHS.h"
#include "Array.h"

#include "Glyph.h"
#include "Anchor.h"
#include "img/Img.h"
#include "model/Mesh.h"

namespace ehs
{
	class FontAtlas : public Img
	{
	private:
		UInt_64 glyphScale;
		Array<Glyph> glyphs;

	public:
		FontAtlas();

		FontAtlas(const Str_8& filePath);

		FontAtlas(FontAtlas&& fa) noexcept;

		FontAtlas(const FontAtlas& fa);

		FontAtlas& operator=(FontAtlas&& fa) noexcept;

		FontAtlas& operator=(const FontAtlas& fa);

		UInt_64 GetGlyphScale() const;

		Glyph GetGlyph(const Char_32 code) const;

		Vec2_f CalculateSize(const Str_8& text) const;

		float CalculateWidth(const Str_8& text) const;

		float CalculateHeight(const Str_8& text) const;

		UInt_64 CalculateIndexAtPoint(const Str_8& text, const Vec2_f& point) const;

		Mesh Generate(const Anchor anchor, const Str_8& text) const;

		FontAtlas* Clone() const override;
	};
}