EHS/include/ehs/io/FontAtlas.h

#pragma once

#include "ehs/EHS.h"
#include "ehs/Array.h"

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

namespace ehs
{
	class FontAtlas : public BaseObj
	{
	private:
		UInt_64 hashId;
		Str_8 id;
		UInt_64 glyphScale;
		Array<Glyph> glyphs;
		Vec2_u64 resolution;
		UInt_64 size;
		Byte* atlas;

	public:
		~FontAtlas() override;

		FontAtlas();

		FontAtlas(const Str_8& filePath);

		FontAtlas(FontAtlas&& fa) noexcept;

		FontAtlas(const FontAtlas& fa);

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

		FontAtlas& operator=(const FontAtlas& fa);

		operator Byte*() const;

		void Release();

		UInt_64 GetHashId() const;

		Str_8 GetId() const;

		UInt_64 GetGlyphScale() const;

		const Array<Glyph>& GetGlyphs() const;

		Glyph GetGlyph(Char_32 code) const;

		Vec2_u64 GetResolution() const;

		UInt_64 GetSize() const;

		bool IsValid() 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(Anchor anchor, const Str_8& text) const;
	};
}