Class to draw a text message as a PNG graphic. The text message, font, colour, background, size, padding, rotation, and transparency can all be defined via OO interface. Code
below can be called as a URL.
Graph drawing class. Can draw any combination of line, point, bar, or area graphs. Also supports GIF and PNG, legends, negative values, stacked/overlapping bars, numeric x-axis,
brushed lines with custom brushes.