50 lines
2.0 KiB
C++
50 lines
2.0 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include "FontAtlasGeneratorBase.hpp"
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#include "Shelf.hpp"
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namespace OpenVulkano::Scene
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{
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class FontPixelSizeConfig
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{
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public:
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FontPixelSizeConfig(float size = 24.f, float dpi = 72.f, bool isPixelSize = true)
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: m_size(size), m_dpi(dpi), m_isPixelSize(isPixelSize)
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{
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}
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void SetSize(float size) { m_size = size; }
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void SetDpi(float dpi) { m_dpi = dpi; }
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void SetIsPixelSize(bool isPixelSize) { m_isPixelSize = isPixelSize; }
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[[nodiscard]] float GetSize() const { return m_size; }
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[[nodiscard]] float GetDpi() const { return m_dpi; }
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[[nodiscard]] bool GetIsPixelSize() const { return m_isPixelSize; }
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[[nodiscard]] unsigned CalculatePixelSize() const { return m_isPixelSize ? m_size : (m_size * m_dpi) / 72.0f; }
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private:
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float m_size;
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float m_dpi;
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bool m_isPixelSize;
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};
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class BitmapFontAtlasGenerator : public FontAtlasGeneratorBase
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{
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public:
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BitmapFontAtlasGenerator(FontPixelSizeConfig config = FontPixelSizeConfig()) : FontAtlasGeneratorBase(1), m_pixelSizeConfig(config) {}
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void GenerateAtlas(const std::string& fontFile, const std::set<uint32_t>& charset,
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const std::optional<std::string>& pngOutput = std::nullopt) override;
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void GenerateAtlas(const Array<char>& fontData, const std::set<uint32_t>& charset,
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const std::optional<std::string>& pngOutput = std::nullopt) override;
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private:
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void Generate(const std::variant<std::string, Array<char>>& source, const std::set<uint32_t>& chset, const std::optional<std::string>& pngOutput);
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void FillGlyphsInfo(const std::vector<GlyphForPacking>& allGlyphs, const FtFaceRecPtr& face, double scaleFactor);
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std::pair<std::vector<GlyphForPacking>, double> InitGlyphsForPacking(const std::set<uint32_t>& chset, const FtFaceRecPtr& face);
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private:
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FontPixelSizeConfig m_pixelSizeConfig;
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};
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}
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