@Override
public void colorButtonHit(Color c) {
col = c;
if (selectedIndex > -1) {
Shape s = model.getShape(selectedIndex);
s.setColor(col);
model.setShape(selectedIndex, s);
}
GUIFunctions.changeSelectedColor(c);
}
@Override
public void mouseDragged(MouseEvent e, CS355Drawing model, Color c) {
// Get shape at saved index from model and verify it is a circle
Shape shape = model.getShape(this.index);
if (!(shape instanceof cs355.model.drawing.Circle)) {
GUIFunctions.printf(
"Invalid shape - expected cs355.model.drawing.Circle at index %d", this.index);
return;
}
// Cast the shape to a circle and save the new coordinates
Circle circle = (Circle) shape;
// Initialize new center coordinates to initial coordinates
Point2D.Double center = new Point2D.Double();
center.setLocation(this.initialCoordinates);
// Get current pointer coordinates
Point2D.Double currentCoordinates = new Point2D.Double();
currentCoordinates.setLocation(e.getPoint());
// Find difference between pointer and initial coordinates to get correct orientation
double xDifference = currentCoordinates.getX() - initialCoordinates.getX();
double yDifference = currentCoordinates.getY() - initialCoordinates.getY();
// Get radius
double radius = Math.min(Math.abs(xDifference), Math.abs(yDifference)) / 2.0;
// Get unit vectors for the differences to preserve sign
double xDirection = xDifference / Math.abs(xDifference);
double yDirection = yDifference / Math.abs(yDifference);
// Calculate position of the center of the circle
center.x = this.initialCoordinates.getX() + (xDirection * radius);
center.y = this.initialCoordinates.getY() + (yDirection * radius);
// Set the new parameters
circle.setCenter(center);
circle.setRadius(radius);
}
@Override
public void mousePressed(MouseEvent e) {
AffineTransform viewToWorld =
new AffineTransform(1, 0, 0, 1, viewPoint.getX(), viewPoint.getY());
AffineTransform scale = new AffineTransform(this.getScale(), 0, 0, this.getScale(), 0, 0);
viewToWorld.concatenate(scale);
p1 = new Point2D.Double(e.getPoint().getX(), e.getPoint().getY());
viewToWorld.transform(p1, p1);
if (button == "line") {
currentShape = new Line(col, p1, p1);
} else if (button == "square") {
currentShape = new Square(col, p1, 0);
} else if (button == "rectangle") {
currentShape = new Rectangle(col, p1, 0, 0);
} else if (button == "circle") {
currentShape = new Circle(col, p1, 0);
} else if (button == "ellipse") {
currentShape = new Ellipse(col, p1, 0, 0);
} else if (button == "triangle") {
if (triangleCount == 0) {
t1 = new Point2D.Double(p1.getX(), p1.getY());
triangleCount++;
} else if (triangleCount == 1) {
t2 = new Point2D.Double(p1.getX(), p1.getY());
triangleCount++;
} else {
t3 = new Point2D.Double(p1.getX(), p1.getY());
Point2D.Double center = new Point2D.Double();
center.setLocation(
(t1.getX() + t2.getX() + t3.getX()) / 3, (t1.getY() + t2.getY() + t3.getY()) / 3);
triangleCount = 0;
Shape t = new Triangle(col, center, t1, t2, t3);
model.addShape(t);
}
return;
} else if (button == "select") {
selectedIndex = geometryTest(p1, 4);
if (selectedIndex > -1) {
Shape s = model.getShape(selectedIndex);
GUIFunctions.changeSelectedColor(s.getColor());
diff =
new Point2D.Double(p1.getX() - s.getCenter().getX(), p1.getY() - s.getCenter().getY());
if (doHandleCheck(p1, selectedShape)) {
handleSelected = true;
if (s instanceof Line) {
Line l = (Line) s;
Point2D.Double len =
new Point2D.Double(
l.getEnd().getX() - l.getCenter().getX(),
l.getEnd().getY() - l.getCenter().getY());
AffineTransform worldToObj =
new AffineTransform(1, 0, 0, 1, -s.getCenter().getX(), -s.getCenter().getY());
Point2D.Double objCoord = new Point2D.Double();
worldToObj.transform(p1, objCoord);
if (objCoord.getX() * objCoord.getX() + objCoord.getY() * objCoord.getY()
< 100 * this.getScale()) {
lineHandleSelected = 1;
} else if ((objCoord.getX() - len.getX()) * (objCoord.getX() - len.getX())
+ (objCoord.getY() - len.getY()) * (objCoord.getY() - len.getY())
< 100 * this.getScale()) {
lineHandleSelected = 2;
}
}
}
}
return;
} else {
return;
}
model.addShape(currentShape);
}