Drawing

This group contains functions for painting and describing images.

Handling 4-channel colors 4-channel colors are accepted directly into the result image. No alpha blending or similar takes place.

Painting and filling

For many shapes there is an option to paint both the outline of the shape and the filled shape. Two function groups are available for this purpose (Draw... and Fill...). In addition, setting the outline thickness nThickness to -1 leads to the shape being filled.