Confusing about font

I want to use GapiDraw in my GIS program.
expect to use two languages Chinese and English
How to use Chinese font?
make different font pictures?
and How to change the languages in program by option?
Is there a easy way to come ture.
expect to use two languages Chinese and English
How to use Chinese font?
make different font pictures?
and How to change the languages in program by option?
Is there a easy way to come ture.