Examples with Polygon java.awt.Polygon used on opensource projects

Example 46 with Polygon

use of java.awt.Polygon in project TrakEM2 by trakem2.

the class AreaUtils method singularInterpolation.

/**
 * Extract the Area of the image for the given pixel value.
 *  ThresholdToSelection is way faster than this, just use it.
 *  It's BROKEN do not use.
 */
/*
	static public final Area extractArea(final ImageProcessor ip, final float val) {
		final int height = ip.getHeight();
		final int width = ip.getWidth();

		final Area area = new Area();
		final ArrayList<Area> segments = new ArrayList<Area>();
		final Rectangle box = new Rectangle(0, 0, 1, 1);

		for (int y=0; y<height; y++) {
			float prev = ip.getPixelValue(0, y);
			box.x = 0;
			box.y = y;
			box.width = val == prev ? 1 : 0;

			for (int x=1; x<width; x++) {

				float pix = ip.getPixelValue(x, y);

				if (val == pix) {
					if (pix == prev) {
						box.width++;
						continue;
					}
					// Else, add previous one
					segments.add(new Area(box));
					// ... and start a new box
					box.x = x;
					box.y = y;
					box.width = 1;
					prev = pix;
				}
			}

			// At end of line, add the last
			segments.add(new Area(box));

			// Join a few
			if (segments.size() > 32) {
				final Area a = new Area(segments.get(0));
				final int len = segments.size();
				for (int i=1; i<len; i++) a.add(segments.get(i));
				area.add(a);
				segments.clear();
			}
		}

		if (segments.size() > 0) {
			final Area a = new Area(segments.get(0));
			final int len = segments.size();
			for (int i=1; i<len; i++) a.add(segments.get(i));
			area.add(a);
		}

		return area;
	}
	*/
/**
 * Interpolate areas only if they are made of a single shape each.
 *  Assumes that areas are in the same coordinate system.
 * @throws Exception
 */
public static final Area[] singularInterpolation(final Area a1, final Area a2, final int nInterpolates) throws Exception {
    if (!a1.isSingular() || !a2.isSingular()) {
        return null;
    }
    final VectorString2D vs1 = M.asVectorString2D(M.getPolygons(a1).iterator().next(), 0);
    final VectorString2D vs2 = M.asVectorString2D(M.getPolygons(a2).iterator().next(), 1);
    final Editions ed = new Editions(vs1, vs2, Math.min(vs1.getAverageDelta(), vs2.getAverageDelta()), true);
    final double[][][] d = SkinMaker.getMorphedPerimeters(vs1, vs2, nInterpolates, ed);
    final Area[] a = new Area[d.length];
    for (int i = 0; i < d.length; i++) {
        final double[] x = d[i][0];
        final double[] y = d[i][1];
        final int[] xi = new int[x.length];
        final int[] yi = new int[y.length];
        for (int k = 0; k < x.length; k++) {
            xi[k] = (int) x[k];
            yi[k] = (int) y[k];
        }
        a[i] = new Area(new Polygon(xi, yi, xi.length));
    }
    return a;
}

Example 47 with Polygon

use of java.awt.Polygon in project TrakEM2 by trakem2.

the class AreaTree method findEventReceiver.

private AreaNode findEventReceiver(final Collection<Node<Area>> nodes, final int lx, final int ly, final Layer layer, final double mag, final InputEvent ie) {
    Area brush = null;
    try {
        brush = AreaWrapper.makeMouseBrush(ProjectToolbar.getBrushSize(), mag).createTransformedArea(this.at.createInverse());
    } catch (final Exception e) {
        IJError.print(e);
        return null;
    }
    // Try to find an area onto which the point intersects, or the brush diameter
    synchronized (node_layer_map) {
        AreaNode closest = null;
        double min_dist = Double.MAX_VALUE;
        for (final AreaNode an : (Collection<AreaNode>) (Collection) nodes) {
            // nodes are the nodes in the current layer
            if (brush.contains(an.x, an.y) || M.intersects(an.getData(), brush)) {
                return an;
            }
            if (null == an.aw)
                continue;
            // Look inside holes, for filling
            final Collection<Polygon> pols = M.getPolygons(an.getData());
            for (final Polygon pol : pols) {
                if (pol.contains(lx, ly)) {
                    return an;
                }
            }
            // If erasing, find the closest area to the brush
            if (ie.isAltDown()) {
                for (final Polygon pol : pols) {
                    for (int i = 0; i < pol.npoints; i++) {
                        final double sqdist = Math.pow(lx - pol.xpoints[i], 2) + Math.pow(ly - pol.ypoints[i], 2);
                        if (sqdist < min_dist) {
                            closest = an;
                            min_dist = sqdist;
                        }
                    }
                }
            }
        }
        if (null != closest)
            return closest;
    }
    /* // IT'S CONFUSING when there's more than one node per layer
		if (null != receiver && layer == receiver.la) {
			Rectangle srcRect = Display.getFront().getCanvas().getSrcRect();
			if (receiver.getData().createTransformedArea(this.at).intersects(srcRect)) {
				// paint on last area, its in this layer and within current view
				return receiver;
			}
		}
		*/
    return null;
}

Example 48 with Polygon

use of java.awt.Polygon in project TrakEM2 by trakem2.

the class AreaWrapper method fillHoles.

public void fillHoles() {
    Polygon pol = new Polygon();
    for (PathIterator pit = area.getPathIterator(null); !pit.isDone(); ) {
        float[] coords = new float[6];
        int seg_type = pit.currentSegment(coords);
        switch(seg_type) {
            case PathIterator.SEG_MOVETO:
            case PathIterator.SEG_LINETO:
                pol.addPoint((int) coords[0], (int) coords[1]);
                break;
            case PathIterator.SEG_CLOSE:
                area.add(new Area(pol));
                // prepare next:
                pol = new Polygon();
                break;
            default:
                Utils.log2("WARNING: unhandled seg type.");
                break;
        }
        pit.next();
        if (pit.isDone()) {
            break;
        }
    }
}

Example 49 with Polygon

use of java.awt.Polygon in project runelite by runelite.

the class CannonOverlay method drawDoubleHitSpots.

/**
 * Draw the double hit spots on a 6 by 6 grid around the cannon
 * @param startTile The position of the cannon
 */
private void drawDoubleHitSpots(Graphics2D graphics, LocalPoint startTile, Color color) {
    for (int x = -3; x <= 3; x++) {
        for (int y = -3; y <= 3; y++) {
            if (y != 1 && x != 1 && y != -1 && x != -1) {
                continue;
            }
            // Ignore center square
            if (y >= -1 && y <= 1 && x >= -1 && x <= 1) {
                continue;
            }
            int xPos = startTile.getX() - (x * LOCAL_TILE_SIZE);
            int yPos = startTile.getY() - (y * LOCAL_TILE_SIZE);
            LocalPoint marker = new LocalPoint(xPos, yPos);
            Polygon poly = Perspective.getCanvasTilePoly(client, marker);
            if (poly == null) {
                continue;
            }
            OverlayUtil.renderPolygon(graphics, poly, color);
        }
    }
}

Example 50 with Polygon

use of java.awt.Polygon in project runelite by runelite.

the class RoguesDenOverlay method render.

@Override
public Dimension render(Graphics2D graphics) {
    if (!plugin.isHasGem()) {
        return null;
    }
    LocalPoint playerLocation = client.getLocalPlayer().getLocalLocation();
    plugin.getObstaclesHull().forEach((obstacle, tile) -> {
        if (tile.getPlane() == client.getPlane() && obstacle.getLocalLocation().distanceTo(playerLocation) < MAX_DISTANCE) {
            Polygon p = tile.getGameObjects()[0].getConvexHull();
            if (p != null) {
                graphics.setColor(Color.CYAN);
                graphics.drawPolygon(p);
            }
        }
    });
    plugin.getObstaclesTile().forEach((obstacle, tile) -> {
        if (tile.getPlane() == client.getPlane() && obstacle.getLocalLocation().distanceTo(playerLocation) < MAX_DISTANCE) {
            Polygon p = obstacle.getCanvasTilePoly();
            if (p != null) {
                graphics.setColor(Color.CYAN);
                graphics.drawPolygon(p);
            }
        }
    });
    return null;
}