Create an image with a text (textonly no background picture)
t : text (you can use \n for new line) [ex: t=frist line\nsecond line]
c : text colour in FFFFFF format (shadow text color is automatically set to black or white for readability)
f : font used
fs: fontsize in pixels
vertical: rotate picture to print it as a banner (in thermic little printers ^^)
dontsave: avoid saving rendered picture
force: force the rendering even if the picture already exists (previous rendering)
help: displays this text
version: displays this api's version
picslist: returns the rendered images list in json format
- &random[=xx]: limit the list getting only xx rendered pictures
fontslist: returns available fonts list in json format
download: downloads the php api file