Example usage for java.awt.geom Path2D.Double lineTo

Introduction

In this page you can find the example usage for java.awt.geom Path2D.Double lineTo.

Prototype

public abstract void lineTo(double x, double y);

Source Link

Document

Adds a point to the path by drawing a straight line from the current coordinates to the new specified coordinates specified in double precision.

Usage

From source file:org.mabb.fontverter.opentype.TtfGlyph.java

/**
 * Debug only method at the moment, will not return an entireley accurate path in many cases.
 *///  ww  w.ja v  a 2  s .co m
List<Path2D.Double> getPaths() {
    LinkedList<Path2D.Double> paths = new LinkedList<Path2D.Double>();

    int startPtOn = 0;
    Point2D.Double lastPoint = new Point2D.Double();

    for (Integer endPtOn : countourEndPoints) {
        Path2D.Double pathOn = new Path2D.Double();

        if (startPtOn == 0)
            pathOn.moveTo(0, 0);

        Point2D.Double firstPoint = new Point2D.Double();

        for (int i = startPtOn; i < endPtOn + 1; i++) {

            Point2D.Double relativePoint = points.get(i);
            Point2D.Double point = new Point2D.Double();
            point.x = relativePoint.x + lastPoint.x;
            point.y = relativePoint.y + lastPoint.y;

            if (startPtOn != 0 && i == startPtOn)
                pathOn.moveTo(point.x, point.y);
            else
                pathOn.lineTo(point.x, point.y);

            if (i == startPtOn)
                firstPoint = point;

            lastPoint = point;
        }
        startPtOn = endPtOn + 1;

        pathOn.lineTo(firstPoint.x, firstPoint.y);
        paths.add(pathOn);
    }

    return paths;
}

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From source file:savant.util.MiscUtils.java

/**
 * Utility method to create a polygonal path from a list of coordinates
 * @param coords a sequence of x,y coordinates (should be an even number and at least 4)
 */// w  ww.  jav  a 2s.c o  m
public static Path2D.Double createPolygon(double... coords) {
    if (coords.length < 4 || (coords.length & 1) != 0)
        throw new IllegalArgumentException("Invalid coordinates for createPolygon");

    Path2D.Double result = new Path2D.Double(Path2D.WIND_NON_ZERO, coords.length / 2);
    result.moveTo(coords[0], coords[1]);
    for (int i = 2; i < coords.length; i += 2) {
        result.lineTo(coords[i], coords[i + 1]);
    }
    result.closePath();
    return result;
}

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From source file:savant.view.tracks.TrackRenderer.java

/**
 * Shared by BAMTrackRenderer and RichIntervalTrackRenderer to draw the white diamond
 * which indicates an insertion./*w  w w. j av  a  2  s.c om*/
 */
public Shape drawInsertion(Graphics2D g2, double x, double y, double unitWidth, double unitHeight) {

    ColourScheme cs = (ColourScheme) instructions.get(DrawingInstruction.COLOUR_SCHEME);
    g2.setColor(cs.getColor(ColourKey.INSERTED_BASE));
    double w = unitWidth * 0.5;

    Path2D.Double rhombus = new Path2D.Double();
    rhombus.moveTo(x, y);
    rhombus.lineTo(x + w, y + unitHeight * 0.5);
    rhombus.lineTo(x, y + unitHeight);
    rhombus.lineTo(x - w, y + unitHeight * 0.5);
    rhombus.closePath();
    g2.fill(rhombus);

    return rhombus;
}

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