Font - ttf字体

public static void PrintFontInfo(Font font)
{
    Debug.Log($"fontSize:{font.fontSize}, lineHeight:{font.lineHeight}, ascent:{font.ascent}");

    var so = new SerializedObject(font);
    PrintSpFloatValue(so, "m_FontSize");
    PrintSpFloatValue(so, "m_LineSpacing");
    PrintSpFloatValue(so, "m_Ascent");
    PrintSpFloatValue(so, "m_Descent");
}

private static void PrintSpFloatValue(SerializedObject so, string propName)
{
    var sp = so.FindProperty(propName);
    if (null != sp)
        Debug.Log($"{propName}: {sp.floatValue}");
}

//不传fontSize参数, 大概率会fail, 因为不传默认会使用Font.fontSize, 和Text.fontSize不一样就fail了
if (m_Text.font.GetCharacterInfo('N', out var ch, m_Text.fontSize))
{
    Debug.Log($"get charInfo: index:{ch.index}, style:{ch.style}, fontSize:{ch.size}, width:{ch.glyphWidth}, width:{ch.glyphHeight}, adv:{ch.advance}");
}
else
{
    Debug.Log($"get charInfo fail: {m_Text.font.fontSize}");
}

void OnEnable()
{
    Font.textureRebuilt += OnFontTextureRebuilt;
}

void OnDisable()
{
    Font.textureRebuilt -= OnFontTextureRebuilt;
}

void OnFontTextureRebuilt(Font f)
{
    //todo
}