/** Add commands for this glyph to a page */
public Point2D addCommands(PDFPage cmds, AffineTransform transform, int mode) {
if (shape != null) {
GeneralPath outline = (GeneralPath) shape.createTransformedShape(transform);
cmds.addCommand(new PDFShapeCmd(outline, mode));
} else if (page != null) {
cmds.addCommands(page, transform);
}
return advance;
}
public static Shape generatePolygon(
int sides, int outsideRadius, int insideRadius, boolean normalize) {
Shape shape = generatePolygon(sides, outsideRadius, insideRadius);
if (normalize) {
Rectangle2D bounds = shape.getBounds2D();
GeneralPath path = new GeneralPath(shape);
shape =
path.createTransformedShape(
AffineTransform.getTranslateInstance(-bounds.getX(), -bounds.getY()));
}
return shape;
}
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D) g;
g2d.setColor(Color.BLACK);
g2d.drawString(name, 10, 10);
g2d.setColor(Color.RED);
g2d.drawString("Opt", 10, 50);
g2d.draw(gp1);
g2d.setColor(Color.BLUE);
g2d.drawString("Normal", 10, 100);
g2d.draw(gp2.createTransformedShape(AffineTransform.getTranslateInstance(2, 2)));
}
/**
* if the edge is reflexive its painted as a cyclic edge if there are 2 controlpoints the
* connection is painted as a straight line from the source to the targetanchor if there are more
* as 2 controlpoints the connection path between 2 control points is painted as bezier curve
*/
@Override
protected void paintWidget() {
List<Point> contrPoints = this.getControlPoints();
int listSize = contrPoints.size();
Graphics2D gr = getGraphics();
if (listSize <= 2) {
if (isReflexive()) { // special case for reflexive connection widgets
Widget related = this.getTargetAnchor().getRelatedWidget();
int position = this.edgeBalance(related);
Rectangle bounds = related.convertLocalToScene(related.getBounds());
gr.setColor(getLineColor());
Point first = new Point();
Point last = new Point();
double centerX = bounds.getCenterX();
first.x = (int) (centerX + bounds.width / 4);
first.y = bounds.y + bounds.height;
last.x = first.x;
last.y = bounds.y;
gr.setStroke(this.getStroke());
double cutDistance = this.getTargetAnchorShape().getCutDistance();
double anchorAngle = Math.PI / -3.0;
double cutX = Math.abs(Math.cos(anchorAngle) * cutDistance);
double cutY = Math.abs(Math.sin(anchorAngle) * cutDistance);
int ydiff = first.y - last.y;
int endy = -ydiff;
double height = bounds.getHeight();
double cy = height / 4.0;
double cx = bounds.getWidth() / 5.0;
double dcx = cx * 2;
GeneralPath gp = new GeneralPath();
gp.moveTo(0, 0);
gp.quadTo(0, cy, cx, cy);
gp.quadTo(dcx, cy, dcx, -height / 2.0);
gp.quadTo(dcx, endy - cy, cy, -(cy + ydiff));
gp.quadTo(cutX * 1.5, endy - cy, cutX, endy - cutY);
AffineTransform af = new AffineTransform();
AnchorShape anchorShape = this.getTargetAnchorShape();
if (position < 0) {
first.x = (int) (centerX - bounds.width / 4);
af.translate(first.x, first.y);
af.scale(-1.0, 1.0);
last.x = first.x;
} else {
af.translate(first.x, first.y);
}
Shape s = gp.createTransformedShape(af);
gr.draw(s);
if (last != null) {
AffineTransform previousTransform = gr.getTransform();
gr.translate(last.x, last.y);
if (position < 0) gr.rotate(Math.PI - anchorAngle);
else gr.rotate(anchorAngle);
anchorShape.paint(gr, false);
gr.setTransform(previousTransform);
}
} else {
super.paintWidget();
}
return;
}
// bezier curve...
GeneralPath curvePath = new GeneralPath();
Point lastControlPoint = null;
double lastControlPointRotation = 0.0;
Point prev = null;
for (int i = 0; i < listSize - 1; i++) {
Point cur = contrPoints.get(i);
Point next = contrPoints.get(i + 1);
Point nextnext = null;
if (i < listSize - 2) {
nextnext = contrPoints.get(i + 2);
}
double len = cur.distance(next);
double scale = len * BEZIER_SCALE;
Point bezierFrom = null; // first ControlPoint
Point bezierTo = null; // second ControlPoint
if (prev == null) {
// first point
curvePath.moveTo(cur.x, cur.y); // startpoint
bezierFrom = cur;
} else {
bezierFrom = new Point(next.x - prev.x, next.y - prev.y);
bezierFrom = scaleVector(bezierFrom, scale);
bezierFrom.translate(cur.x, cur.y);
}
if (nextnext == null) { // next== last point (curve to)
lastControlPoint = next;
bezierTo = next; // set 2nd intermediate point to endpoint
GeneralPath lastseg = this.subdivide(cur, bezierFrom, bezierTo, next);
if (lastseg != null) curvePath.append(lastseg, true);
break;
} else {
bezierTo = new Point(cur.x - nextnext.x, cur.y - nextnext.y);
bezierTo = scaleVector(bezierTo, scale);
bezierTo.translate(next.x, next.y);
}
curvePath.curveTo(
bezierFrom.x, bezierFrom.y, // controlPoint1
bezierTo.x, bezierTo.y, // controlPoint2
next.x, next.y);
prev = cur;
}
Point2D cur = curvePath.getCurrentPoint();
Point next = lastControlPoint;
lastControlPointRotation = // anchor anchorAngle
Math.atan2(cur.getY() - next.y, cur.getX() - next.x);
Color previousColor = gr.getColor();
gr.setColor(getLineColor());
Stroke s = this.getStroke();
gr.setStroke(s);
gr.setColor(this.getLineColor());
gr.draw(curvePath);
AffineTransform previousTransform = gr.getTransform();
gr.translate(lastControlPoint.x, lastControlPoint.y);
gr.rotate(lastControlPointRotation);
AnchorShape targetAnchorShape = this.getTargetAnchorShape();
targetAnchorShape.paint(gr, false);
gr.setTransform(previousTransform);
// paint ControlPoints if enabled
if (isPaintControlPoints()) {
int last = listSize - 1;
for (int index = 0; index <= last; index++) {
Point point = contrPoints.get(index);
previousTransform = gr.getTransform();
gr.translate(point.x, point.y);
if (index == 0 || index == last) getEndPointShape().paint(gr);
else getControlPointShape().paint(gr);
gr.setTransform(previousTransform);
}
}
gr.setColor(previousColor);
}
/**
* Draws the needle.
*
* @param g2 the graphics device.
* @param plotArea the plot area.
* @param rotate the rotation point.
* @param angle the angle.
*/
protected void drawNeedle(Graphics2D g2, Rectangle2D plotArea, Point2D rotate, double angle) {
GeneralPath shape1 = new GeneralPath();
GeneralPath shape2 = new GeneralPath();
GeneralPath shape3 = new GeneralPath();
float minX = (float) plotArea.getMinX();
float minY = (float) plotArea.getMinY();
float maxX = (float) plotArea.getMaxX();
float maxY = (float) plotArea.getMaxY();
// float midX = (float) (minX + (plotArea.getWidth() * getRotateX()));
// float midY = (float) (minY + (plotArea.getHeight() * getRotateY()));
float midX = (float) (minX + (plotArea.getWidth() * 0.5));
float midY = (float) (minY + (plotArea.getHeight() * 0.8));
float y = maxY - (2 * (maxY - midY));
if (y < minY) {
y = minY;
}
shape1.moveTo(minX, midY);
shape1.lineTo(midX, minY);
shape1.lineTo(midX, y);
shape1.closePath();
shape2.moveTo(maxX, midY);
shape2.lineTo(midX, minY);
shape2.lineTo(midX, y);
shape2.closePath();
shape3.moveTo(minX, midY);
shape3.lineTo(midX, maxY);
shape3.lineTo(maxX, midY);
shape3.lineTo(midX, y);
shape3.closePath();
Shape s1 = shape1;
Shape s2 = shape2;
Shape s3 = shape3;
if ((rotate != null) && (angle != 0)) {
/// we have rotation huston, please spin me
getTransform().setToRotation(angle, rotate.getX(), rotate.getY());
s1 = shape1.createTransformedShape(transform);
s2 = shape2.createTransformedShape(transform);
s3 = shape3.createTransformedShape(transform);
}
if (getHighlightPaint() != null) {
g2.setPaint(getHighlightPaint());
g2.fill(s3);
}
if (getFillPaint() != null) {
g2.setPaint(getFillPaint());
g2.fill(s1);
g2.fill(s2);
}
if (getOutlinePaint() != null) {
g2.setStroke(getOutlineStroke());
g2.setPaint(getOutlinePaint());
g2.draw(s1);
g2.draw(s2);
g2.draw(s3);
}
}