35 lines
1.4 KiB
C++
35 lines
1.4 KiB
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 "IFontAtlasGenerator.hpp"
|
|
#include "Math/AABB.hpp"
|
|
#include "Extensions/FreetypeHelper.hpp"
|
|
|
|
namespace OpenVulkano::Scene
|
|
{
|
|
class GlyphInfo;
|
|
|
|
class FontAtlasGeneratorBase : public IFontAtlasGenerator
|
|
{
|
|
protected:
|
|
int m_channelsCount;
|
|
std::shared_ptr<FontAtlas> m_atlasData;
|
|
|
|
public:
|
|
FontAtlasGeneratorBase(const int channelsCount) : m_channelsCount(channelsCount) {}
|
|
[[nodiscard]] const std::shared_ptr<FontAtlas>& GetAtlas() const final { return m_atlasData; }
|
|
[[nodiscard]] int GetAtlasChannelsCount() const { return m_channelsCount; }
|
|
static size_t LoadAllGlyphs(std::set<uint32_t>& chars, const std::span<const uint8_t>& fontData) { auto [lib, face] = InitFreetype(fontData); return LoadAllGlyphs(chars, face); }
|
|
static size_t LoadAllGlyphs(std::set<uint32_t>& chars, const FtFaceRecPtr& face);
|
|
|
|
protected:
|
|
void SetGlyphData(GlyphInfo& info, Math::Vector2d bearing, Math::Vector2d size, const Math::AABB& aabb, double advance);
|
|
[[nodiscard]] static std::string GetFreetypeErrorDescription(FT_Error error);
|
|
[[nodiscard]] static std::pair<FtLibraryRecPtr, FtFaceRecPtr> InitFreetype(const std::span<const uint8_t>& data);
|
|
};
|
|
} |