USING(textLengthUpToLength_lenFunction_t, float(string s));
float textLengthUpToWidth(string theText, float maxWidth, vector size, textLengthUpToWidth_widthFunction_t tw);
string textShortenToWidth(string theText, float maxWidth, vector size, textLengthUpToWidth_widthFunction_t tw);
USING(textLengthUpToLength_lenFunction_t, float(string s));
float textLengthUpToWidth(string theText, float maxWidth, vector size, textLengthUpToWidth_widthFunction_t tw);
string textShortenToWidth(string theText, float maxWidth, vector size, textLengthUpToWidth_widthFunction_t tw);