mirror of
https://github.com/Kbz-8/42_vox.git
synced 2026-01-11 14:43:34 +00:00
66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
#include <Graphics/Font.h>
|
|
#include <Core/Logs.h>
|
|
|
|
#include <fstream>
|
|
|
|
#define STBRP_ASSERT(x) Scop::Assert(x, "internal stb assertion " #x)
|
|
#define STB_RECT_PACK_IMPLEMENTATION
|
|
#include <stb_rect_pack.h>
|
|
|
|
#define STB_TRUETYPE_IMPLEMENTATION
|
|
#include <stb_truetype.h>
|
|
|
|
namespace Scop
|
|
{
|
|
void Font::BuildFont()
|
|
{
|
|
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 bitmap(RANGE * RANGE);
|
|
|
|
stbtt_pack_context pc;
|
|
stbtt_PackBegin(&pc, 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);
|
|
|
|
// TODO : find better solution; No, using VK_FORMAT_R8_SRGB does not work
|
|
CPUBuffer vulkan_bitmap(RANGE * RANGE * 4);
|
|
for(int i = 0, j = 0; i < RANGE * RANGE; i++, j += 4)
|
|
{
|
|
vulkan_bitmap.GetData()[j + 0] = bitmap.GetData()[i];
|
|
vulkan_bitmap.GetData()[j + 1] = bitmap.GetData()[i];
|
|
vulkan_bitmap.GetData()[j + 2] = bitmap.GetData()[i];
|
|
vulkan_bitmap.GetData()[j + 3] = bitmap.GetData()[i];
|
|
}
|
|
|
|
m_atlas.Init(std::move(vulkan_bitmap), RANGE, RANGE, VK_FORMAT_R8G8B8A8_SRGB, false, m_name + "_font_atlas_" + std::to_string(m_scale));
|
|
|
|
Message("Font: loaded % with a scale of %", m_name, m_scale);
|
|
}
|
|
|
|
void Font::Destroy()
|
|
{
|
|
if(!m_atlas.IsInit())
|
|
return;
|
|
m_atlas.Destroy();
|
|
Message("Font: unloaded % with a scale of %", m_name, m_scale);
|
|
}
|
|
}
|