SetFonts()

void Spices::ImGuiH::SetFonts ( FontMode fontmode = FontMode::FONT_PROPORTIONAL_SCALED )

static

Looking for TTF fonts, first on the VULKAN SDK, then Windows default fonts.

Parameters

[in]

fontmode

FontMode.

Set Nicer fonts.

Set Nicer fonts.

Definition at line 127 of file ImguiHelper.cpp.

    {
        SPICES_PROFILE_ZONE;
 
        ImGuiIO& io = ImGui::GetIO();
        const float high_dpi_scale = GetDPIScale();
 
        ImFont* font = nullptr;
        if (fontmode == FONT_MONOSPACED_SCALED)
        {
            if (font == nullptr)
            {
                const std::string p = R"(C:/Windows/Fonts/consola.ttf)";
                if (FileLibrary::FileLibrary_Exists(p.c_str()))
                {
                    font = io.Fonts->AddFontFromFileTTF(p.c_str(), 12.0f * high_dpi_scale);
                }
            }
        }
        else if (fontmode == FONT_PROPORTIONAL_SCALED)
        {
            const char* vk_path = getenv("VK_SDK_PATH");
            if (vk_path)
            {
                const std::string p = std::string(vk_path) + R"(/Samples/Layer-Samples/data/FreeSans.ttf)";
                if (FileLibrary::FileLibrary_Exists(p.c_str()))
                    font = io.Fonts->AddFontFromFileTTF(p.c_str(), 16.0f * high_dpi_scale);
            }
            if (font == nullptr)
            {
                const std::string p = R"(C:/Windows/Fonts/segoeui.ttf)";
                if (FileLibrary::FileLibrary_Exists(p.c_str()))
                    font = io.Fonts->AddFontFromFileTTF(p.c_str(), 16.0f * high_dpi_scale);
            }
        }
 
        if (font == nullptr)
        {
            ImFontConfig font_config = ImFontConfig();
            font_config.SizePixels = 13.0f * ((fontmode == FONT_FIXED) ? 1 : high_dpi_scale);  // 13 is the default font size
            io.Fonts->AddFontDefault(&font_config);
        }
        
        float iconFontSize = 15.0f * high_dpi_scale;
 
        // merge in icons from Font Awesome
        static constexpr ImWchar icons_ranges[] = { ICON_MIN_MD, ICON_MAX_16_MD, 0 };
        ImFontConfig icons_config;
        icons_config.MergeMode = true;
        icons_config.PixelSnapH = true;
        icons_config.GlyphMinAdvanceX = iconFontSize;
        icons_config.GlyphOffset.y = 3.0f;
 
        std::stringstream ss;
        ss << SPICES_ENGINE_ASSETS_PATH << "Fonts/" << FONT_ICON_FILE_NAME_MD;
        if (FileLibrary::FileLibrary_Exists(ss.str().c_str()))
        {
            io.Fonts->AddFontFromFileTTF(ss.str().c_str(), iconFontSize, &icons_config, icons_ranges);
        }
    }

References Spices::FileLibrary::FileLibrary_Exists(), Spices::FONT_MONOSPACED_SCALED, Spices::FONT_PROPORTIONAL_SCALED, and GetDPIScale().

Referenced by Spices::SlateRenderer::InitImgui().