#include <menu/draw_text.hpp>

#include <grfx/system.hpp>

#include <stdx/fold.hpp>

namespace menu

{

namespace

{

constexpr auto default_space_width = 4;

constexpr auto default_line_height = 12;

int draw_char(grfx::system& gfx, const int x, const int y, const char ch)

{

if (const auto c = core::index_in_hud_font(ch); core::is_in_hud_font(c))

{

const auto& patch = gfx.hud_font_patch(c);

gfx.draw_patch(x, y, patch);

return patch.width;

}

return default_space_width;

}

}

void draw_text(grfx::system& gfx, const int x, const int y, const std::string_view text)

{

stdx::fold(text | std::views::split('\n'), y, [&](const int cy, const auto& chars) {

stdx::fold(chars, x, [&](const int cx, const char c) {

return cx + draw_char(gfx, cx, cy, c);

});

return cy + default_line_height;

});

}

}