Its probably just me being stupid, but I can't get the gradient function in mtpaint to 'paint to canvas'. I get to putting the two points on a linear gradient, but not matter what I press the gradient won't paint.
The manual says
Which painting tool/s do I need to press?3.5.6.1 Placed Gradients
You place a gradient by selecting the gradient placement tool from the toolbar and then you place the beginning and end points by clicking the mouse. Once this has been done you will see a temporary preview of the resulting gradient and you then need to select a painting tool and paint on the canvas. ...