To simulate brushing with this, you would draw the image above repeated between the two points the user dragged their mouse. In Fireworks parlance, it would be a 20px hard round brush, with 0% softness. You take an image of the tip of the brush you want to draw with and repeatedly draw it, with enough frequency that it looks like you dragged the brush tip across the screen.įor example, let’s say you had a brush with a tip that looked like this:Īs you can see that is a round, blue brush, 20 pixels in diameter.

The idea behind a bitmap brush is actually really simple. I can tell from the quality of the question that you are both smart and handsome. So Andy, how do brushes in bitmap editors work? Since none of you insensitive clods were thoughtful enough to ask me about brushes, I’ll ask myself: She always wants to talk about our “relationship” and our “future,” never about brush stamping algorithms. There is not a day that goes by where I’m asked how brushes in bitmap graphics editors work.

Inking brushes for firealpaca bitmap