//Graphics
PGraphics graphics = target.getGraphics();
if (borderSize > 0) {
graphics.stroke(borderColor.getRed(), borderColor.getGreen(), borderColor.getBlue(), alpha);
graphics.strokeWeight(borderSize);
} else {
graphics.noStroke();
}
graphics.fill(color.getRed(), color.getGreen(), color.getBlue(), alpha);
graphics.rect(x, y, size, size);