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: 2024/01/18 13:16:18 by maldavid ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include <renderer/texts/font.h>
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#include <renderer/renderer.h>
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#include <core/profiler.h>
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#include <fstream>
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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) : _name(path.string()), _renderer(renderer), _scale(scale)
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{
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_build_data = path;
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}
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Font::Font(class Renderer& renderer, const std::string& name, const std::vector<uint8_t>& ttf_data, float scale) : _name(name), _renderer(renderer), _scale(scale)
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{
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_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<uint8_t> file_bytes;
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if(std::holds_alternative<std::filesystem::path>(_build_data))
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{
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std::ifstream file(std::get<std::filesystem::path>(_build_data), std::ios::binary);
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if(!file.is_open())
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{
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core::error::report(e_kind::error, "Font load : cannot open font file, %s", _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>(_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<uint8_t> tmp_bitmap(RANGE * RANGE);
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std::vector<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>(_build_data))
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stbtt_PackFontRange(&pc, file_bytes.data(), 0, _scale, 32, 96, _cdata.data());
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else
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stbtt_PackFontRange(&pc, std::get<std::vector<uint8_t>>(_build_data).data(), 0, _scale, 32, 96, _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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_atlas.create(vulkan_bitmap.data(), RANGE, RANGE, VK_FORMAT_R8G8B8A8_UNORM, std::string(_name + "_font_altas").c_str(), true);
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#else
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_atlas.create(vulkan_bitmap.data(), RANGE, RANGE, VK_FORMAT_R8G8B8A8_UNORM, nullptr, true);
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#endif
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_atlas.setDescriptor(_renderer.getFragDescriptorSet().duplicate());
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_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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_atlas.destroy();
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_is_init = false;
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}
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Font::~Font()
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{
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if(_is_init)
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destroy();
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}
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}
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