mirror of
https://github.com/seekrs/MacroLibX.git
synced 2026-01-11 14:43:34 +00:00
89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* Font.cpp :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/12/11 22:06:09 by kbz_8 #+# #+# */
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/* Updated: 2024/04/23 22:48:30 by maldavid ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include <PreCompiled.h>
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#include <Renderer/Texts/Font.h>
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#include <Renderer/Renderer.h>
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constexpr const int RANGE = 1024;
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namespace mlx
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{
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Font::Font(Renderer& renderer, const std::filesystem::path& path, float scale) : m_name(path.string()), m_renderer(renderer), m_scale(scale)
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{
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m_build_data = path;
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}
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Font::Font(class Renderer& renderer, const std::string& name, const std::vector<std::uint8_t>& ttf_data, float scale) : m_name(name), m_renderer(renderer), m_scale(scale)
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{
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m_build_data = ttf_data;
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}
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void Font::BuildFont()
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{
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MLX_PROFILE_FUNCTION();
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std::vector<std::uint8_t> file_bytes;
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if(std::holds_alternative<std::filesystem::path>(m_build_data))
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{
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std::ifstream file(std::get<std::filesystem::path>(m_build_data), std::ios::binary);
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if(!file.is_open())
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{
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Error("Font load : cannot open font file, %", m_name.c_str());
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return;
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}
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std::ifstream::pos_type fileSize = std::filesystem::file_size(std::get<std::filesystem::path>(m_build_data));
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file.seekg(0, std::ios::beg);
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file_bytes.resize(fileSize);
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file.read(reinterpret_cast<char*>(file_bytes.data()), fileSize);
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file.close();
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}
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std::vector<std::uint8_t> tmp_bitmap(RANGE * RANGE);
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std::vector<std::uint8_t> vulkan_bitmap(RANGE * RANGE * 4);
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stbtt_pack_context pc;
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stbtt_PackBegin(&pc, tmp_bitmap.data(), RANGE, RANGE, RANGE, 1, nullptr);
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if(std::holds_alternative<std::filesystem::path>(m_build_data))
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stbtt_PackFontRange(&pc, file_bytes.data(), 0, m_scale, 32, 96, m_cdata.data());
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else
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stbtt_PackFontRange(&pc, std::get<std::vector<std::uint8_t>>(m_build_data).data(), 0, m_scale, 32, 96, m_cdata.data());
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stbtt_PackEnd(&pc);
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for(int i = 0, j = 0; i < RANGE * RANGE; i++, j += 4)
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{
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vulkan_bitmap[j + 0] = tmp_bitmap[i];
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vulkan_bitmap[j + 1] = tmp_bitmap[i];
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vulkan_bitmap[j + 2] = tmp_bitmap[i];
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vulkan_bitmap[j + 3] = tmp_bitmap[i];
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}
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#ifdef DEBUG
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m_atlas.Create(vulkan_bitmap.data(), RANGE, RANGE, VK_FORMAT_R8G8B8A8_UNORM, std::string(m_name + "_font_altas").c_str(), true);
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#else
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m_atlas.Create(vulkan_bitmap.data(), RANGE, RANGE, VK_FORMAT_R8G8B8A8_UNORM, nullptr, true);
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#endif
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m_atlas.SetDescriptor(m_renderer.GetFragDescriptorSet().Duplicate());
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m_is_init = true;
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}
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void Font::Destroy()
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{
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MLX_PROFILE_FUNCTION();
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m_atlas.Destroy();
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m_is_init = false;
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}
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Font::~Font()
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{
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if(m_is_init)
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destroy();
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}
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}
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