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OpenVulkano/openVulkanoCpp/Scene/FontAtlasGenerator.hpp

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C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#pragma once
#include <string>
#include <optional>
#include <map>
#include "Scene/AtlasMetadata.hpp"
#include "Scene/Texture.hpp"
#include "msdfgen.h"
#include "msdfgen-ext.h"
#include "msdf-atlas-gen/msdf-atlas-gen.h"
namespace OpenVulkano::Scene
{
using namespace msdfgen;
using namespace msdf_atlas;
using namespace OpenVulkano::Scene;
class FontAtlasGenerator
{
public:
void GenerateAtlas(const std::string& fontFile, const Charset& charset = Charset::ASCII,
const std::optional<std::string>& pngOutput = std::nullopt);
void GenerateAtlas(const msdfgen::byte* fontData, int length, const Charset& charset = Charset::ASCII,
const std::optional<std::string>& pngOutput = std::nullopt);
void SaveAtlasMetadataInfo(const std::string& outputFile) const;
const Texture& GetAtlas() const { return m_atlasTex; }
std::map<uint32_t, GlyphInfo>& GetAtlasInfo() { return m_symbols; }
private:
void Generate(FreetypeHandle* ft, FontHandle* font, const Charset& chset,
const std::optional<std::string>& pngOutput);
private:
ImmediateAtlasGenerator<float, 1, sdfGenerator, BitmapAtlasStorage<msdfgen::byte, 1>> m_generator;
Texture m_atlasTex;
std::map<uint32_t, GlyphInfo> m_symbols;
};
}