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working on fonts

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kbz_8
2024-10-21 23:21:50 +02:00
parent 3291e0cd2a
commit 92743b0b03
7 changed files with 150 additions and 46 deletions
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1
runtime/Sources/Core/Application.cpp
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@@ -38,7 +38,6 @@ namespace mlx
if(f_loop_hook)
f_loop_hook(p_param);
#pragma omp parallel for
for(auto& gs : m_graphics)
{
if(gs)

52
runtime/Sources/Graphics/Font.cpp
View File

@@ -4,4 +4,56 @@
namespace mlx
{
constexpr const int RANGE = 1024;
void Font::BuildFont()
{
MLX_PROFILE_FUNCTION();
std::vector<std::uint8_t> file_bytes;
if(std::holds_alternative<std::filesystem::path>(m_build_data))
{
std::ifstream file(std::get<std::filesystem::path>(m_build_data), std::ios::binary);
if(!file.is_open())
{
Error("Font : cannot open font file, %", m_name);
return;
}
std::ifstream::pos_type file_size = std::filesystem::file_size(std::get<std::filesystem::path>(m_build_data));
file.seekg(0, std::ios::beg);
file_bytes.resize(file_size);
file.read(reinterpret_cast<char*>(file_bytes.data()), file_size);
file.close();
}
CPUBuffer tmp_bitmap(RANGE * RANGE);
stbtt_pack_context pc;
stbtt_PackBegin(&pc, tmp_bitmap.GetData(), RANGE, RANGE, RANGE, 1, nullptr);
if(std::holds_alternative<std::filesystem::path>(m_build_data))
stbtt_PackFontRange(&pc, file_bytes.data(), 0, m_scale, 32, 96, m_cdata.data());
else
stbtt_PackFontRange(&pc, std::get<std::vector<std::uint8_t>>(m_build_data).data(), 0, m_scale, 32, 96, m_cdata.data());
stbtt_PackEnd(&pc);
CPUBuffer vulkan_bitmap(RANGE * RANGE * 4);
for(int i = 0, j = 0; i < RANGE * RANGE; i++, j += 4)
{
vulkan_bitmap.GetData()[j + 0] = tmp_bitmap.GetData()[i];
vulkan_bitmap.GetData()[j + 1] = tmp_bitmap.GetData()[i];
vulkan_bitmap.GetData()[j + 2] = tmp_bitmap.GetData()[i];
vulkan_bitmap.GetData()[j + 3] = tmp_bitmap.GetData()[i];
}
#ifdef DEBUG
m_atlas.Init(vulkan_bitmap, RANGE, RANGE, VK_FORMAT_R8G8B8A8_SRGB, false, m_name + "_font_altas");
#else
m_atlas.Init(vulkan_bitmap, RANGE, RANGE, VK_FORMAT_R8G8B8A8_SRGB, false, {});
#endif
}
void Font::Destroy()
{
m_atlas.Destroy();
}
}