java.awt.geom.Area源码实例Demo

类java.awt.geom.Area源码实例Demo

下面列出了java.awt.geom.Area 类实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。

源代码1 项目: plugins   文件: NpcAggroAreaPlugin.java
private Area generateSafeArea()
{
	final Area area = new Area();

	for (WorldPoint wp : safeCenters)
	{
		if (wp == null)
		{
			continue;
		}

		Polygon poly = new Polygon();
		poly.addPoint(wp.getX() - SAFE_AREA_RADIUS, wp.getY() - SAFE_AREA_RADIUS);
		poly.addPoint(wp.getX() - SAFE_AREA_RADIUS, wp.getY() + SAFE_AREA_RADIUS + 1);
		poly.addPoint(wp.getX() + SAFE_AREA_RADIUS + 1, wp.getY() + SAFE_AREA_RADIUS + 1);
		poly.addPoint(wp.getX() + SAFE_AREA_RADIUS + 1, wp.getY() - SAFE_AREA_RADIUS);
		area.add(new Area(poly));
	}

	return area;
}
 
源代码2 项目: openstock   文件: StandardDialFrame.java
/**
 * Draws the frame.  This method is called by the {@link DialPlot} class,
 * you shouldn't need to call it directly.
 *
 * @param g2  the graphics target (<code>null</code> not permitted).
 * @param plot  the plot (<code>null</code> not permitted).
 * @param frame  the frame (<code>null</code> not permitted).
 * @param view  the view (<code>null</code> not permitted).
 */
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame,
        Rectangle2D view) {

    Shape window = getWindow(frame);

    Rectangle2D f = DialPlot.rectangleByRadius(frame, this.radius + 0.02,
            this.radius + 0.02);
    Ellipse2D e = new Ellipse2D.Double(f.getX(), f.getY(), f.getWidth(),
            f.getHeight());

    Area area = new Area(e);
    Area area2 = new Area(window);
    area.subtract(area2);
    g2.setPaint(this.backgroundPaint);
    g2.fill(area);

    g2.setStroke(this.stroke);
    g2.setPaint(this.foregroundPaint);
    g2.draw(window);
    g2.draw(e);
}
 
源代码3 项目: rcrs-server   文件: CommandLayer.java
public void drawArea(Area area) {
	PathIterator iter = area.getPathIterator(null);
	Path2D.Float poly = new Path2D.Float();
	double[] firstPoint = null;
	while (!iter.isDone()) {
		double point[] = new double[2]; // x, y
		int type = iter.currentSegment(point);
        point[0] = t.xToScreen(point[0]);
        point[1] = t.yToScreen(point[1]);
		if (type == PathIterator.SEG_MOVETO) {
			firstPoint = point;
			poly.moveTo(point[0], point[1]);
		} else if (type == PathIterator.SEG_CLOSE) {
			poly.lineTo(firstPoint[0], firstPoint[1]);
			g.draw(poly);
			poly.reset();
		} else {
			poly.lineTo(point[0], point[1]);
		}
		iter.next();
	}
}
 
源代码4 项目: tracker   文件: DoubleCrosshairFootprint.java
/**
 * Gets the icon.
 *
 * @param w width of the icon
 * @param h height of the icon
 * @return the icon
 */
public Icon getIcon(int w, int h) {
  int scale = FontSizer.getIntegerFactor();
  w *= scale;
  h *= scale;
	if (stroke==null || stroke.getLineWidth()!=scale*baseStroke.getLineWidth()) {
		stroke = new BasicStroke(scale*baseStroke.getLineWidth());
	}
	transform.setToScale(scale, scale);
  Shape target = stroke.createStrokedShape(transform.createTransformedShape(targetShape));
  Area area = new Area(target);
  double x0 = scale*(size+2)-w;
  double y0 = h-scale*(size+2);
  double d = Math.sqrt(x0*x0+y0*y0);
  double x1 = x0*scale*size/d;
  double y1 = y0*scale*size/d;
  Line2D line = new Line2D.Double(x0, y0, x1, y1);
  area.add(new Area(stroke.createStrokedShape(line)));
  ShapeIcon icon = new ShapeIcon(area, w, h);
  icon.setColor(color);
  return icon;
}
 
源代码5 项目: gcs   文件: PDGraphicsState.java
/**
 * Modify the current clipping path by intersecting it with the given path.
 * @param area area to intersect with the clipping path
 */
public void intersectClippingPath(Area area)
{
    // lazy cloning of clipping path for performance
    if (!isClippingPathDirty)
    {
        // deep copy (can't use clone() as it performs only a shallow copy)
        Area cloned = new Area();
        cloned.add(clippingPath);
        clippingPath = cloned;

        isClippingPathDirty = true;
    }

    // intersection as usual
    clippingPath.intersect(area);
}
 
源代码6 项目: birt   文件: ShapedAction.java
/**
 * This constructor supports polygon shapes Future shapes (and corresponding
 * constructors) will be added later
 * 
 * @param source
 * @param loa
 * @param clipping
 */
public ShapedAction( StructureSource oSource, Location[] loa, Shape clipping )
{
	_oSource = oSource;
	if ( clipping != null )
	{
		Area ar1 = new Area( clipping );
		Area ar2 = new Area( G2dRendererBase.getPolygon2D( loa ) );
		ar2.intersect( ar1 );
		_sh = ar2;
	}
	else
	{
		_sh = G2dRendererBase.getPolygon2D( loa );
	}
}
 
源代码7 项目: MeteoInfo   文件: Draw.java
/**
 * Draw pie
 *
 * @param aPoint Start point
 * @param width Width
 * @param height Height
 * @param startAngle Start angle
 * @param sweepAngle Sweep angle
 * @param aPGB Polygon break
 * @param wedgeWidth Wedge width
 * @param g Graphics2D
 */
public static void drawPie(PointF aPoint, float width, float height, float startAngle,
        float sweepAngle, PolygonBreak aPGB, float wedgeWidth, Graphics2D g) {
    Color aColor = aPGB.getColor();
    Arc2D.Float arc2D = new Arc2D.Float(aPoint.X, aPoint.Y, width, height, startAngle, sweepAngle, Arc2D.PIE);
    Area area1 = new Area(arc2D);
    Ellipse2D e2 = new Ellipse2D.Float(aPoint.X + wedgeWidth, aPoint.Y + wedgeWidth, width - wedgeWidth * 2,
            height - wedgeWidth * 2);
    Area area2 = new Area(e2);
    area1.subtract(area2);
    if (aPGB.isDrawFill()) {
        g.setColor(aColor);
        g.fill(area1);
    }
    if (aPGB.isDrawOutline()) {
        g.setColor(aPGB.getOutlineColor());
        g.setStroke(new BasicStroke(aPGB.getOutlineSize()));
        g.draw(area1);
    }
}
 
源代码8 项目: audiveris   文件: Mask.java
private Table.UnsignedByte computeRelevantPoints (Area area)
{
    Table.UnsignedByte table = new Table.UnsignedByte(rect.width, rect.height);
    Point loc = rect.getLocation();
    table.fill(PixelFilter.BACKGROUND);

    for (int y = 0; y < rect.height; y++) {
        int ay = y + loc.y; // Absolute ordinate

        for (int x = 0; x < rect.width; x++) {
            int ax = x + loc.x; // Absolute abscissa

            if (area.contains(ax, ay)) {
                table.setValue(x, y, 0);
                pointCount++;
            }
        }
    }

    return table;
}
 
源代码9 项目: ghidra   文件: FcgVertex.java
private void buildFullShape() {

		// Note: this method assumes all bounds have been set
		Area parent = new Area();

		Area v = new Area(vertexShape);
		Area name = new Area(nameLabel.getBounds());
		parent.add(v);
		parent.add(name);

		// for now, the buttons only appear on hover, but if we want to avoid clipping when 
		// painting, we need to account for them in the shape's overall bounds
		Area in = new Area(toggleInsButton.getBounds());
		Area out = new Area(toggleOutsButton.getBounds());
		parent.add(in);
		parent.add(out);

		fullShape = parent;
	}
 
源代码10 项目: ccu-historian   文件: SWTGraphics2D.java
/**
 * Returns <code>true</code> if the rectangle (in device space) intersects
 * with the shape (the interior, if <code>onStroke</code> is false, 
 * otherwise the stroked outline of the shape).
 * 
 * @param rect  a rectangle (in device space).
 * @param s the shape.
 * @param onStroke  test the stroked outline only?
 * 
 * @return A boolean. 
 */
@Override
public boolean hit(Rectangle rect, Shape s, boolean onStroke) {
    AffineTransform transform = getTransform();
    Shape ts;
    if (onStroke) {
        Stroke stroke = getStroke();
        ts = transform.createTransformedShape(stroke.createStrokedShape(s));
    } else {
        ts = transform.createTransformedShape(s);
    }
    if (!rect.getBounds2D().intersects(ts.getBounds2D())) {
        return false;
    }
    Area a1 = new Area(rect);
    Area a2 = new Area(ts);
    a1.intersect(a2);
    return !a1.isEmpty();
}
 
源代码11 项目: open-ig   文件: StarmapScreen.java
/**
 * Draw the exploration limit rectangle borders.
 * @param g2 the graphics context
 */
void renderExplorationLimits(Graphics2D g2) {
	if (player().explorationOuterLimit != null) {
		
		Area a = new Area(new Rectangle(0, 0, world().galaxyModel.map.getWidth(), world().galaxyModel.map.getHeight()));
		a.subtract(new Area(player().explorationOuterLimit));

		g2.setColor(new Color(0x80000000, true));
		
		drawShape(g2, a, true);
		
		g2.setColor(Color.RED);
		drawRect(g2, player().explorationOuterLimit, false);
	} else
	if (player().explorationInnerLimit != null) {
		g2.setColor(new Color(0x80000000, true));
		drawRect(g2, player().explorationInnerLimit, true);
	}
}
 
源代码12 项目: TrakEM2   文件: AreaList.java
/** Returns the bounds of this object as it shows in the given layer. */
@Override
public Rectangle getBounds(final Rectangle r, final Layer layer) {
	if (null == layer) return super.getBounds(r, null);
	final Area area = (Area)ht_areas.get(layer.getId());
	if (null == area) {
		if (null == r) return new Rectangle();
		r.x = 0;
		r.y = 0;
		r.width = 0;
		r.height = 0;
		return r;
	}
	final Rectangle b = area.createTransformedArea(this.at).getBounds();
	if (null == r) return b;
	r.setBounds(b.x, b.y, b.width, b.height);
	return r;
}
 
源代码13 项目: astor   文件: ArcDialFrame.java
/**
 * Draws the frame.
 * 
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame.
 * @param view  the dial's view rectangle.
 */
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, 
        Rectangle2D view) {
    
    Shape window = getWindow(frame);
    Shape outerWindow = getOuterWindow(frame);

    Area area1 = new Area(outerWindow);
    Area area2 = new Area(window);
    area1.subtract(area2);
    g2.setPaint(Color.lightGray);
    g2.fill(area1);
    
    g2.setStroke(this.stroke);
    g2.setPaint(this.foregroundPaint);
    g2.draw(window);
    g2.draw(outerWindow);
    
    
}
 
源代码14 项目: audiveris   文件: NoteHeadsBuilder.java
/**
 * Retrieve the competitors intersected by the provided horizontal slice.
 *
 * @param area the horizontal slice
 * @return the list of competitors, sorted by abscissa.
 */
private List<Inter> getCompetitorsSlice (Area area)
{
    List<Inter> rawComps = Inters.intersectedInters(
            systemCompetitors,
            GeoOrder.BY_ORDINATE,
            area);

    // Keep only the "really good" competitors
    List<Inter> kept = new ArrayList<>();

    for (Inter inter : rawComps) {
        if (inter.isGood()) {
            kept.add(inter);
        }
    }

    // Sort by abscissa for more efficient lookup
    Collections.sort(kept, Inters.byAbscissa);

    return kept;
}
 
源代码15 项目: birt   文件: ShapedAction.java
/**
 * This constructor supports shape definition via an ellipse
 * 
 * @param oSource
 * @param boEllipse
 * @param clipping
 */
public ShapedAction( StructureSource oSource, Bounds boEllipse,
		Shape clipping )
{
	_oSource = oSource;
	if ( clipping != null )
	{
		Area ar1 = new Area( clipping );
		Area ar2 = new Area( new Ellipse2D.Double( boEllipse.getLeft( ),
				boEllipse.getTop( ),
				boEllipse.getWidth( ),
				boEllipse.getHeight( ) ) );
		ar2.intersect( ar1 );
		_sh = ar2;
	}
	else
	{
		_sh = new Ellipse2D.Double( boEllipse.getLeft( ),
				boEllipse.getTop( ),
				boEllipse.getWidth( ),
				boEllipse.getHeight( ) );
	}
}
 
源代码16 项目: buffer_bci   文件: ArcDialFrame.java
/**
 * Draws the frame.
 *
 * @param g2  the graphics target.
 * @param plot  the plot.
 * @param frame  the dial's reference frame.
 * @param view  the dial's view rectangle.
 */
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame,
        Rectangle2D view) {

    Shape window = getWindow(frame);
    Shape outerWindow = getOuterWindow(frame);

    Area area1 = new Area(outerWindow);
    Area area2 = new Area(window);
    area1.subtract(area2);
    g2.setPaint(Color.lightGray);
    g2.fill(area1);

    g2.setStroke(this.stroke);
    g2.setPaint(this.foregroundPaint);
    g2.draw(window);
    g2.draw(outerWindow);

}
 
源代码17 项目: weblaf   文件: GraphicsUtils.java
public static Shape subtractClip ( final Graphics g, final Shape clip, final boolean shouldSetup )
{
    if ( shouldSetup && clip != null )
    {
        final Shape oldClip = g.getClip ();
        if ( oldClip != null )
        {
            // Area-based substraction
            final Area finalClip = new Area ( oldClip );
            finalClip.subtract ( new Area ( clip ) );
            g.setClip ( finalClip );
        }
        return oldClip;
    }
    else
    {
        return null;
    }
}
 
源代码18 项目: TrakEM2   文件: LayerSet.java
/** Find ZDisplayable objects of the given class that intersect the given area in the given layer.
 *  If @param instance_of is true, use c.isAssignableFrom instead of class equality. */
public Collection<Displayable> findZDisplayables(final Class<?> c, final Layer layer, final Area aroi, final boolean visible_only, final boolean instance_of) {
	final LayerBucket lb;
	synchronized (lbucks) {
		lb = lbucks.get(layer);
	}
	if (null != lb) return lb.root.find(c, aroi, layer, visible_only, instance_of);
	else nbmsg(layer);

	final ArrayList<Displayable> al = new ArrayList<Displayable>();
	for (final ZDisplayable zd : al_zdispl) {
		if (visible_only && !zd.isVisible()) continue;
		if (instance_of) {
			if (!c.isAssignableFrom(zd.getClass())) continue;
		} else if (zd.getClass() != c) continue;
		if (zd.intersects(layer, aroi)) al.add(zd);
	}
	return al;
}
 
源代码19 项目: audiveris   文件: CurvesBuilder.java
/**
 * Check whether the gap between curve and candidate arc is acceptable, taking any
 * hidden inter into account.
 * To do so, we use a "line area" between curve and arc and fill it with hidden items.
 * We then check the widest true gap against maximum acceptable value.
 *
 * @param curve        curve to extend
 * @param arcView      candidate arc
 * @param hiddenInters relevant hidden inters
 * @return true for acceptable, false otherwise
 */
private boolean isGapAcceptable (Curve curve,
                                 ArcView arcView)
{
    Point ce = curve.getEnd(reverse);

    if (ce == null) {
        ce = curve.getJunction(reverse);
    }

    Point ae = arcView.getEnd(!reverse);

    if (ae == null) {
        ae = arcView.getJunction(!reverse);
    }

    // Check for adjacent points
    if ((Math.abs(ae.x - ce.x) <= 1) && (Math.abs(ae.y - ce.y) <= 1)) {
        logger.debug("Adjacent points {} {}", ce, ae);

        return true;
    }

    CurveGap gap = CurveGap.create(ce, ae);
    Area lArea = gap.getArea();
    curve.addAttachment("G", lArea);

    int[] vector = gap.computeVector(binaryBuf);
    int hole = gap.getLargestGap();

    logger.debug("{} {} rev:{} {} hole:{}", curve, arcView.getArc(), reverse, vector, hole);

    return hole <= params.gapMaxLength;
}
 
源代码20 项目: ECG-Viewer   文件: PlumNeedle.java
/**
 * Draws the needle.
 *
 * @param g2  the graphics device.
 * @param plotArea  the plot area.
 * @param rotate  the rotation point.
 * @param angle  the angle.
 */
@Override
protected void drawNeedle(Graphics2D g2, Rectangle2D plotArea,
                          Point2D rotate, double angle) {

    Arc2D shape = new Arc2D.Double(Arc2D.PIE);
    double radius = plotArea.getHeight();
    double halfX = plotArea.getWidth() / 2;
    double diameter = 2 * radius;

    shape.setFrame(plotArea.getMinX() + halfX - radius ,
                   plotArea.getMinY() - radius,
                   diameter, diameter);
    radius = Math.toDegrees(Math.asin(halfX / radius));
    shape.setAngleStart(270 - radius);
    shape.setAngleExtent(2 * radius);

    Area s = new Area(shape);

    if ((rotate != null) && (angle != 0)) {
        /// we have rotation houston, please spin me
        getTransform().setToRotation(angle, rotate.getX(), rotate.getY());
        s.transform(getTransform());
    }

    defaultDisplay(g2, s);
}
 
源代码21 项目: audiveris   文件: ClumpPruner.java
/**
 * Select the best slur in clump (within current system).
 *
 * @param areas the lookup areas for each candidate
 * @return the entry for best slur and its best links
 */
public SlurEntry selectSlur (Map<Inter, Map<HorizontalSide, Area>> areas)
{
    // Determine the pair of best links for every slur candidate
    List<SlurEntry> entries = new ArrayList<>();

    for (Inter inter : clump) {
        SlurInter slur = (SlurInter) inter;

        // Determine the pair of best links (left & right) for this slur candidate
        Map<HorizontalSide, SlurHeadLink> linkPair = slurLinker.lookupLinkPair(
                slur,
                areas.get(slur),
                system,
                chords);

        if (linkPair != null) {
            entries.add(new SlurEntry(slur, linkPair));
        }
    }

    // Make a selection among clump slurs
    // Choose (among the longest ones) the slur with best links
    // Accept orphan only if quorum slurs agree
    // Retrieve non-orphans
    List<SlurEntry> nonOrphans = getNonOrphans(entries);
    SlurEntry bestEntry = selectAmong(nonOrphans);

    if (bestEntry != null) {
        return bestEntry;
    }

    entries.removeAll(nonOrphans);

    return selectAmong(entries);
}
 
源代码22 项目: openstock   文件: PlumNeedle.java
/**
 * Draws the needle.
 *
 * @param g2  the graphics device.
 * @param plotArea  the plot area.
 * @param rotate  the rotation point.
 * @param angle  the angle.
 */
@Override
protected void drawNeedle(Graphics2D g2, Rectangle2D plotArea,
                          Point2D rotate, double angle) {

    Arc2D shape = new Arc2D.Double(Arc2D.PIE);
    double radius = plotArea.getHeight();
    double halfX = plotArea.getWidth() / 2;
    double diameter = 2 * radius;

    shape.setFrame(plotArea.getMinX() + halfX - radius ,
                   plotArea.getMinY() - radius,
                   diameter, diameter);
    radius = Math.toDegrees(Math.asin(halfX / radius));
    shape.setAngleStart(270 - radius);
    shape.setAngleExtent(2 * radius);

    Area s = new Area(shape);

    if ((rotate != null) && (angle != 0)) {
        /// we have rotation houston, please spin me
        getTransform().setToRotation(angle, rotate.getX(), rotate.getY());
        s.transform(getTransform());
    }

    defaultDisplay(g2, s);
}
 
源代码23 项目: mil-sym-java   文件: Route.java
@Override
protected Shape createShape() {
	Area route = new Area();
	GeoPoint previousPoint = null;                
	for (int i = 0; i < points.size(); i++) {
                       
		GeoPoint point = points.get(i);
                       
                       /*
		if (i > 0 && i < points.size() - 1) {                                
			GeoEllipse ellipse = new GeoEllipse(point, widthMeters, widthMeters, maxDistanceMeters,
					flatnessDistanceMeters, limit);
			route.add(new Area(ellipse));
		}
                       * */
		if (previousPoint != null) {
                               
			// Skip if points are the same -- doesn't take into account height difference
			if(previousPoint.equals(point))
				continue;
			
			// Draw rectangle connection
			GeoBlock2 block = new GeoBlock2(previousPoint, point, this.leftWidthMeters, this.rightWidthMeters, maxDistanceMeters,
					flatnessDistanceMeters, limit);
                               Area area = new Area(block);
			route.add(area);
                               
                        }
                        previousPoint = point;
               }                               
               return route;
}
 
源代码24 项目: weblaf   文件: ComponentHighlighter.java
/**
 * Paints complex component area.
 *
 * @param g2d    graphics context
 * @param insets area insets
 * @param outer  outer area bounds
 * @param inner  inner area bounds
 * @param color  area color
 */
private void paintComplexArea ( @NotNull final Graphics2D g2d, @NotNull final Insets insets, @NotNull final Rectangle outer,
                                @NotNull final Rectangle inner, @NotNull final Color color )
{
    if ( !insets.equals ( emptyInsets ) )
    {
        g2d.setPaint ( color );
        final Area ma = new Area ( outer );
        ma.exclusiveOr ( new Area ( inner ) );
        g2d.fill ( ma );
    }
}
 
源代码25 项目: TrakEM2   文件: Dissector.java
boolean intersects(final Area area, final double z_first, final double z_last) {
	for (int i=0; i<n_points; i++) {
		final Layer la = layer_set.getLayer(p_layer[i]);
		if (la.getZ() >= z_first && la.getZ() <= z_last) {
			for (int k=0; k<n_points; k++) {
				if (area.contains(p[0][k], p[1][k])) return true;
			}
		}
	}
	return false;
}
 
源代码26 项目: audiveris   文件: BeamsBuilder.java
/**
 * Check whether the (beam) side designated by provided point and height values
 * lies fully in the current system
 *
 * @param pt     side point on median
 * @param height beam height
 * @return true if side is fully within current system, false otherwise
 */
boolean isSideInSystem (Point2D pt,
                        double height)
{
    Area area = system.getArea();

    // Check top and bottom points of the beam side
    for (int dir : new int[]{-1, +1}) {
        if (!area.contains(pt.getX(), pt.getY() + (dir * (height / 2)))) {
            return false;
        }
    }

    return true;
}
 
源代码27 项目: java-swing-tips   文件: MainPanel.java
@Override public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
  Graphics2D g2 = (Graphics2D) g.create();
  g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
  double r = 12d;
  double w = width - 1d;
  double h = height - 1d;

  Path2D p = new Path2D.Double();
  p.moveTo(x, y + h);
  p.lineTo(x, y + r);
  p.quadTo(x, y, x + r, y);
  p.lineTo(x + w - r, y);
  p.quadTo(x + w, y, x + w, y + r);
  p.lineTo(x + w, y + h);
  p.closePath();
  Area round = new Area(p);

  // Area round = new Area(new RoundRectangle2D.Double(x, y, w, h, r, r));
  // Rectangle b = round.getBounds();
  // b.setBounds(b.x, b.y + r, b.width, b.height - r);
  // round.add(new Area(b));

  Container parent = c.getParent();
  if (Objects.nonNull(parent)) {
    g2.setPaint(parent.getBackground());
    Area corner = new Area(new Rectangle2D.Double(x, y, width, height));
    corner.subtract(round);
    g2.fill(corner);
  }
  // g2.setPaint(tp);
  // g2.fill(round);
  g2.setPaint(c.getForeground());
  g2.draw(round);
  g2.dispose();
}
 
源代码28 项目: TrakEM2   文件: AreaWrapper.java
/** Add an area that needs to be transformed by tmp first to bring it to world coordinates;
 *  will MODIFY the to_world AffineTransform object. */
public void add(final Area a, final AffineTransform to_world) {
	try {
		to_world.preConcatenate(source.getAffineTransform().createInverse());
		this.area.add(a.createTransformedArea(to_world));
	} catch (NoninvertibleTransformException nite) { IJError.print(nite); }
}
 
源代码29 项目: audiveris   文件: StemsBuilder.java
/**
 * Define the lookup area on given corner, knowing the reference point of the
 * entity (head).
 * Global slope is used (plus and minus slopeMargin).
 *
 * @return the lookup area
 */
private Area getLuArea ()
{
    final double slope = skew.getSlope();
    final double dSlope = -xDir * yDir * params.slopeMargin;

    final Point2D outPt = getOutPoint();
    final Point2D inPt = getInPoint();

    // Look Up path, start by head horizontal segment
    final Path2D lu = new Path2D.Double();
    lu.moveTo(outPt.getX(), outPt.getY());
    lu.lineTo(inPt.getX(), inPt.getY());

    // Then segment away from head (system limit)
    final Rectangle systemBox = system.getBounds();
    final double yLimit = (yDir > 0) ? systemBox.getMaxY() : systemBox.getMinY();
    final double dy = yLimit - outPt.getY();
    lu.lineTo(inPt.getX() + ((slope + dSlope) * dy), yLimit);
    lu.lineTo(outPt.getX() + ((slope - dSlope) * dy), yLimit);
    lu.closePath();

    // Attachment
    StringBuilder sb = new StringBuilder();
    sb.append((corner.vSide == TOP) ? "T" : "B");
    sb.append((corner.hSide == LEFT) ? "L" : "R");
    head.addAttachment(sb.toString(), lu);

    return new Area(lu);
}
 
源代码30 项目: audiveris   文件: AbstractBeamInter.java
/**
 * Look up for potential Beam-Stem links around this Beam instance.
 * <p>
 * This method used to check for stems only on beam left and right sides.
 * Now, it check also for stems within the whole beam width.
 *
 * @param systemStems all stems in system, sorted by abscissa
 * @param system      containing system
 * @return the potential links
 */
private Collection<Link> lookupLinks (List<Inter> systemStems,
                                      SystemInfo system)
{
    if (systemStems.isEmpty()) {
        return Collections.emptySet();
    }

    if (isVip()) {
        logger.info("VIP lookupLinks for {}", this);
    }

    final List<Link> links = new ArrayList<>();
    final Scale scale = system.getSheet().getScale();
    final Area luArea = getLookupArea(scale);
    List<Inter> stems = Inters.intersectedInters(systemStems, GeoOrder.NONE, luArea);

    for (Inter inter : stems) {
        StemInter stem = (StemInter) inter;
        Point2D stemMiddle = PointUtil.middle(stem.getMedian());
        VerticalSide vSide = (median.relativeCCW(stemMiddle) > 0) ? TOP : BOTTOM;
        Link link = checkLink(stem, vSide, scale);

        if (link != null) {
            links.add(link);
        }
    }

    return links;
}
 
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