Method loadBitmapFont

components/fontloader/fontloader.cpp:408–700

    } GlyphInfo;

    void FontLoader::loadBitmapFont(FontId fontId, const VFS::Path::Normalized& path, std::istream& stream)
    {
        Log(Debug::Info) << "Loading bitmap font file " << path;

        float fontSize;
        stream.read(reinterpret_cast<char*>(&fontSize), sizeof(fontSize));
        if (!stream.good())
            fail(stream, path, "File too small to be a valid font");

        int one;
        stream.read(reinterpret_cast<char*>(&one), sizeof(one));
        if (!stream.good())
            fail(stream, path, "File too small to be a valid font");

        if (one != 1)
            fail(stream, path, "Unexpected value");

        stream.read(reinterpret_cast<char*>(&one), sizeof(one));
        if (!stream.good())
            fail(stream, path, "File too small to be a valid font");

        if (one != 1)
            fail(stream, path, "Unexpected value");

        char nameBuffer[284];
        stream.read(nameBuffer, sizeof(nameBuffer));
        if (!stream.good())
            fail(stream, path, "File too small to be a valid font");

        GlyphInfo data[256];
        stream.read((char*)data, sizeof(data));
        if (!stream.good())
            fail(stream, path, "File too small to be a valid font");

        // Create the font texture
        const std::string name(nameBuffer);

        constexpr VFS::Path::NormalizedView fonts("fonts");
        constexpr VFS::Path::ExtensionView tex("tex");
        const VFS::Path::Normalized bitmapPath = VFS::Path::join(fonts, name, tex);

        Files::IStreamPtr bitmapFile = mVFS->get(bitmapPath);

        int width;
        bitmapFile->read(reinterpret_cast<char*>(&width), sizeof(int));

        int height;
        bitmapFile->read(reinterpret_cast<char*>(&height), sizeof(int));

        if (!bitmapFile->good())
            fail(*bitmapFile, bitmapPath, "File too small to be a valid bitmap");

        if (width <= 0 || height <= 0)
            fail(*bitmapFile, bitmapPath, "Width and height must be positive");

        std::vector<char> textureData;
        textureData.resize(width * height * 4);
        bitmapFile->read(textureData.data(), width * height * 4);