diff options
Diffstat (limited to 'src/demos/nurbs/knotslidercomponent/JKnotSlider.java')
| -rwxr-xr-x | src/demos/nurbs/knotslidercomponent/JKnotSlider.java | 468 |
1 files changed, 0 insertions, 468 deletions
diff --git a/src/demos/nurbs/knotslidercomponent/JKnotSlider.java b/src/demos/nurbs/knotslidercomponent/JKnotSlider.java deleted file mode 100755 index 02da402..0000000 --- a/src/demos/nurbs/knotslidercomponent/JKnotSlider.java +++ /dev/null @@ -1,468 +0,0 @@ -package demos.nurbs.knotslidercomponent; - -import java.awt.Dimension; -import java.awt.Graphics; -import java.awt.Graphics2D; -import java.awt.event.ActionEvent; -import java.awt.event.ActionListener; -import java.awt.event.ComponentEvent; -import java.awt.event.ComponentListener; -import java.awt.event.MouseEvent; -import java.awt.event.MouseListener; -import java.awt.event.MouseMotionListener; -import java.util.Collections; -import java.util.LinkedList; -import java.util.Vector; - -import javax.swing.JComponent; - -/** - * GUI component for editing NURBS curve/surface knotvector - * Komponenta grafického uživatelského rozhraní pro editaci uzlového vektoru NURBS křivky - * @author Tomáš Hráský - * - */ -@SuppressWarnings("serial") -public class JKnotSlider extends JComponent implements ComponentListener, - MouseMotionListener, MouseListener { - - /** - * Knot value change event - * Událost změny hodoty prvku uzlového vektoru - */ - private static final String KNOT_MOVED = "KnotMoved"; - - /** - * Vector representing knots - * Vektor objektů reprezentujících prvky uzlového vektoru - */ - private Vector<KnotPolygon> knots; - - /** - * Previous knot vector (for recovery after user wrong setting) - * Předchozí vektor objektů reprezentujících prvky uzlového vektoru - pro obnovení při chybě uživatele - */ - private Vector<KnotPolygon> previousState; - - /** - * List of listeners attached to component - * Seznam ActionListenerů navázaných na komponentu - */ - private LinkedList<ActionListener> actionListeners; - - /** - * Value of one pixel movement - * Hodnota posunu o jeden pixel - */ - private double oneStep; - - /** - * Side space - * Mezera na straně osy - */ - private int side; - - /** - * Top space - * Mezera nad osou - */ - private int top; - - /** - * Actually selected knot index - * Index aktuálně vybraného prvku uzlového vektoru - */ - private int activeKnot; - -// private Vector<Integer> xVector; - - - /** - * Creates component - * Vytvoří komponentu - */ - public JKnotSlider() { - oneStep = 0; - top = 0; - side = 0; - knots = new Vector<KnotPolygon>(); - previousState=new Vector<KnotPolygon>(); -// xVector=new Vector<Integer>(); - - actionListeners = new LinkedList<ActionListener>(); - this.addComponentListener(this); - this.addMouseMotionListener(this); - this.addMouseListener(this); - } - - /** - * Adds listener to notified list. list - * Přidá zadaný listener do seznamu naslouchajících objektů - * @param listener added listener - */ - public void addActionListener(ActionListener listener) { - actionListeners.add(listener); - } - - /** - * Creates component with given knotvector knots - * Vytvoří komponentu se zadanými hodnotami uzlového vektoru - * @param knots knot vector - */ - public JKnotSlider(double[] knots) { - this(); - for (double d : knots) { - addKnot(new Double(d)); - } - } - - /** - * Creates component with given knotvector knots - * Vytvoří komponentu se zadanými hodnotami uzlového vektoru - * @param knots knot vector - */ - public JKnotSlider(Vector<Double> knots) { - this(); - for (Double d : knots) { - addKnot(d); - } - } - /** - * Creates component with given knotvector knots - * Vytvoří komponentu se zadanými hodnotami uzlového vektoru - * @param knots uzlový vektor - */ - public JKnotSlider(float[] knots) { - this(); - if(knots!=null) - for(double d:knots) - addKnot(new Double(d)); - } - - /** - * Adds a knot - * Přidá uzel do uzlového vektoru - * @param d knot - */ - public void addKnot(Double d) { -// preserveState(); - knots.add(new KnotPolygon(d, oneStep, top, side)); - } - - - /** - * Saves actual knotvector for later recovery - * Uloží aktuální uzlový vektor pro pozdější obnovení - */ - private void preserveState(){ - previousState.clear(); - previousState.addAll(knots); - } - -// /** -// * Přidá uzel do uzlového vektoru -// * @param d hodnota přidávaného uzlu -// */ -// public void addKnot(double d) { -// addKnot(new Double(d)); -// } - - /** - * Returns knotvector - * Vrací uzlový vektor - * @return knotvector array - */ - @SuppressWarnings("unchecked") - public double[] getKnots() { - double[] output = new double[knots.size()]; - int i = 0; - if (activeKnot >= 0) { - Double d = knots.get(activeKnot).getValue(); - Collections.sort(knots); - for (int j = 0; j < knots.size(); j++) - if (knots.get(j).getValue().equals(d)) { - activeKnot = j; - break; - } - } else - Collections.sort(knots); - for (KnotPolygon p : knots) - output[i++] = p.getValue().doubleValue(); - return output; - } - /** - * Returns knotvector - * Vrací uzlový vektor - * @return knotvector array - */ - public float[] getKnotsFloat(){ - float[] output=new float[knots.size()]; - int i=0; - for(double d:getKnots()){ - output[i++]=(float) d; - } - return output; - } - - /* (non-Javadoc) - * @see javax.swing.JComponent#paintComponent(java.awt.Graphics) - */ - @Override - protected void paintComponent(Graphics g) { - super.paintComponent(g); - drawBaseLine((Graphics2D) g); - updateMultis((Graphics2D)g); - drawKnots((Graphics2D) g); - } - - /** - * Draws info about knot multiplicity - * Vykreslí informaci o násobnosti uzlů - * @param graphics2D object to draw to - */ - private void updateMultis(Graphics2D graphics2D) { - Vector<Integer> vrcholy=new Vector<Integer>(); - for(int i=0;i<knots.size();i++){ - knots.get(i).setMulti(0); - vrcholy.add(knots.get(i).xpoints[0]); - } - - for(int i=0;i<knots.size();i++){ - //k.xpoints[0] //hodnota na X -> počet stejných hodnot nám zjistí multiplicitu - for(Integer ii:vrcholy) - if(ii.intValue()==knots.get(i).xpoints[0]) - knots.get(i).setMulti(knots.get(i).getMulti()+1); - } - } - - /** - * Sends event to all notified listeners - * Pošle všem navešeným listenerům událost - * @param ae event being sent - */ - private void notificateActionListeners(ActionEvent ae) { - for (ActionListener a : actionListeners) - a.actionPerformed(ae); - } - - /** - * "Draws" knotvector - * Vykreslí reprezentaci uzlového vektoru - * @param g object to draw to - */ - private void drawKnots(Graphics2D g) { - String txt; -// int freq; - for (KnotPolygon p : knots) { - g.drawPolygon(p); - g.drawString(p.getMulti()+"x",p.xpoints[1],top); -// freq=Collections.frequency(xVector,Integer.valueOf(p.xpoints[0])); -// g.drawString(freq+"x",p.xpoints[1],top-8); - } - g.rotate(Math.PI / 2); - for (KnotPolygon p : knots) { - txt = p.getValue().toString(); - if (txt.length() > 5) - txt = txt.substring(0, 4); - g.translate(top + 15, -p.xpoints[1]); - g.drawString(txt, 0, 0); - g.translate(-(top + 15), p.xpoints[1]); - } - } - - - /** - * Draws baseline - * Vykreslí základní linku - * @param g object to draw to - */ - private void drawBaseLine(Graphics2D g) { - g.drawLine(side, top, (int) (side + (this.getWidth() * .8)), top); - } - - /* (non-Javadoc) - * @see java.awt.Component#getMinimumSize() - */ - @Override - public Dimension getMinimumSize() { - return new Dimension(100, 60); - } - - /* (non-Javadoc) - * @see java.awt.Component#getPreferredSize() - */ - @Override - public Dimension getPreferredSize() { - return new Dimension(250, 60); - } - - /* (non-Javadoc) - * @see java.awt.event.ComponentListener#componentResized(java.awt.event.ComponentEvent) - */ - public void componentResized(ComponentEvent e) { - int width = this.getWidth(); - int height = this.getHeight(); - - side = (int) (width * .1); - top = (int) (height * .3); - - width *= .8; - height *= .8; - - oneStep = 1d / (width); - - updateKnotPolygons(); - repaint(); - } - - /** - * Updates all objects representing knots - * Aktualizuje nastavení všech objektů reprezentujících uzly - */ - private void updateKnotPolygons() { - for (KnotPolygon p : knots) { - p.update(oneStep, top, side); - } - - } - - /* (non-Javadoc) - * @see java.awt.event.ComponentListener#componentMoved(java.awt.event.ComponentEvent) - */ - public void componentMoved(ComponentEvent e) { - } - - /* (non-Javadoc) - * @see java.awt.event.ComponentListener#componentShown(java.awt.event.ComponentEvent) - */ - public void componentShown(ComponentEvent e) { - } - - /* (non-Javadoc) - * @see java.awt.event.ComponentListener#componentHidden(java.awt.event.ComponentEvent) - */ - public void componentHidden(ComponentEvent e) { - } - - /* (non-Javadoc) - * @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent) - */ - public void mouseDragged(MouseEvent e) { - - if (activeKnot >= 0) { -// preserveState(); - - if (e.getX() >= side && e.getX() <= (getWidth() * .8 + side)) { - knots.get(activeKnot).updateByX(e.getX()); - } else if (e.getX() < side) - knots.get(activeKnot).updateByValue(new Double(0)); - else - knots.get(activeKnot).updateByValue(new Double(1)); - - notificateActionListeners(new ActionEvent(this, - ActionEvent.ACTION_PERFORMED, KNOT_MOVED)); - repaint(); - } - } - -// private void updateXVector() { -// xVector.clear(); -// for(KnotPolygon p:knots){ -// xVector.add(Integer.valueOf(p.xpoints[0])); -// } -// } - - /* (non-Javadoc) - * @see java.awt.event.MouseMotionListener#mouseMoved(java.awt.event.MouseEvent) - */ - public void mouseMoved(MouseEvent e) { - } - - /* (non-Javadoc) - * @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent) - */ - public void mouseClicked(MouseEvent e) { - } - - /* (non-Javadoc) - * @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent) - */ - public void mousePressed(MouseEvent e) { - int x = e.getX(); - int y = e.getY(); - KnotPolygon p; - this.activeKnot = -1; - for (int i = 0; i < knots.size(); i++) { - p = knots.get(i); - if (p.contains(x, y)) { - activeKnot = i; - break; - } - } - } - - /* (non-Javadoc) - * @see java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent) - */ - public void mouseReleased(MouseEvent e) { - this.activeKnot = -1; - } - - /* (non-Javadoc) - * @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent) - */ - public void mouseEntered(MouseEvent e) { - } - - /* (non-Javadoc) - * @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent) - */ - public void mouseExited(MouseEvent e) { - } - -// /** -// * Nastaví uzlový vektor -// * @param knots nový uzlový vektor -// */ -// public void setKnots(double[] knots) { -// preserveState(); -// for(double d:knots) -// addKnot(new Double(d)); -// repaint(); -// } - /** - * Sets knotvector - * Nastaví uzlový vektor - * @param knots new knotvector - */ - public void setKnots(float[] knots) { -// preserveState(); - this.knots.clear(); - for(double d:knots) - addKnot(new Double(d)); - repaint(); - } - - /** - * Checks whether knot multiplicity is not bigger than given value - * Zkontroluje, zda násobnost uzlů nepřekročila zadanou hodnotu - * @param maxMulti maximum multiplicity - * @return true if multiplicity is NOT bigger - */ - public boolean checkKnotMulti(int maxMulti) { - updateMultis((Graphics2D) this.getGraphics()); - for(KnotPolygon p:knots) - if(p.getMulti()>maxMulti) - return false; - return true; - } - -// /** -// * Obnosví poslední uložený stav uzlového vektoru -// */ -// public void restoreState() { -// knots.clear(); -// knots.addAll(previousState); -// repaint(); -// } -} |