private void addLineCap(PointFP p1, PointFP p2, int lineCap) {
if (lineCap == PenFP.LINECAP_BUTT || p1.equals(p2)) {
return;
}
int dx = p2.x - p1.x;
int dy = p2.y - p1.y;
int len = PointFP.distance(dx, dy);
PointFP[] cap =
lineCap == PenFP.LINECAP_ROUND ? GraphicsPathFP.ROUNDCAP : GraphicsPathFP.SQUARECAP;
dx = MathFP.mul(ff_rad, MathFP.div(dx, len));
dy = MathFP.mul(ff_rad, MathFP.div(dy, len));
MatrixFP m = new MatrixFP(dx, dx, dy, -dy, p2.x, p2.y);
outline.addMoveTo(new PointFP(0, GraphicsPathFP.ONE).transform(m));
for (int i = 0; i < cap.length; i++) {
outline.addLineTo(new PointFP(cap[i]).transform(m));
}
outline.addLineTo(new PointFP(0, -GraphicsPathFP.ONE).transform(m));
outline.addClose();
}
