Function ImFontAtlasBuildDestroy

src/imgui/imgui_draw.cpp:4219–4230

Destroy builder and all cached glyphs. Do not destroy actual fonts.

// Destroy builder and all cached glyphs. Do not destroy actual fonts.
void ImFontAtlasBuildDestroy(ImFontAtlas* atlas)
{
    for (ImFont* font : atlas->Fonts)
        ImFontAtlasFontDestroyOutput(atlas, font);
    if (atlas->Builder && atlas->FontLoader && atlas->FontLoader->LoaderShutdown)
    {
        atlas->FontLoader->LoaderShutdown(atlas);
        IM_ASSERT(atlas->FontLoaderData == NULL);
    }
    IM_DELETE(atlas->Builder);
    atlas->Builder = NULL;
}

void ImFontAtlasPackInit(ImFontAtlas * atlas)
{