Example usage for java.awt Graphics drawLine

Introduction

In this page you can find the example usage for java.awt Graphics drawLine.

Prototype

public abstract void drawLine(int x1, int y1, int x2, int y2);

Source Link

Document

Draws a line, using the current color, between the points (x1, y1) and (x2, y2) in this graphics context's coordinate system.

Usage

From source file:MyCanvas.java

public void paint(Graphics g) {
    g.drawLine(20, 20, 200, 200);

}

From source file:MainClass.java

public void paint(Graphics g) {
    g.drawLine(25, 25, 120, 120);

}

From source file:org.kalypso.ogc.gml.map.widgets.advanced.utils.GeometryPainter.java

public static void drawLineString(final IMapPanel mapPanel, final Graphics g, final Point[] myPoints,
        final Color color) throws GM_Exception {
    final List<java.awt.Point> awtPoints = new ArrayList<>();

    final Set<Coordinate> coordinates = new LinkedHashSet<>();

    for (final Point point : myPoints) {
        coordinates.add(point.getCoordinate());

        final GM_Point gmp = (GM_Point) JTSAdapter.wrap(point);
        final java.awt.Point awt = MapUtilities.retransform(mapPanel, gmp);

        awtPoints.add(awt);/*from   w  ww .j ava 2 s  .co  m*/
    }

    final Color original = g.getColor();
    g.setColor(color);

    for (int i = 0; i < awtPoints.size() - 1; i++) {
        final java.awt.Point p1 = awtPoints.get(i);
        final java.awt.Point p2 = awtPoints.get(i + 1);

        g.drawLine(Double.valueOf(p1.getX()).intValue(), Double.valueOf(p1.getY()).intValue(),
                Double.valueOf(p2.getX()).intValue(), Double.valueOf(p2.getY()).intValue());
    }

    g.setColor(original);
}

From source file:XORModePaintWithMouse.java

public void paint(Graphics g) {
    g.drawLine(0, 0, 100, 100);
    g.drawLine(0, 100, 100, 0);//  ww  w . j av a2 s.  c om
    g.setColor(Color.blue);
    g.drawLine(40, 25, 250, 180);
    g.drawLine(75, 90, 400, 400);
    g.setColor(Color.green);

    // xor cross hairs
    g.setXORMode(Color.black);
    g.drawLine(chsX - 10, chsY, chsX + 10, chsY);
    g.drawLine(chsX, chsY - 10, chsX, chsY + 10);
    g.setPaintMode();
}

From source file:Main.java

protected void paintComponent(Graphics g) {
    super.paintComponent(g);
    g.drawLine(x1, y1, x2, y2);

}

From source file:com.klwork.common.utils.WebUtils.java

/**
 * ???/* w w w  . j  a  va2s  .com*/
 * @param request
 * @param response
 */
public static void VerificationCode(HttpServletRequest request, HttpServletResponse response) throws Exception {
    response.setHeader("Pragma", "No-cache");
    response.setHeader("Cache-Control", "no-cache");
    response.setDateHeader("Expires", 0);
    // 
    int width = 60, height = 20;
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

    // ?
    Graphics g = image.getGraphics();

    // ??
    Random random = new Random();

    // 
    g.setColor(getRandColor(200, 250));
    g.fillRect(0, 0, width, height);

    // 
    g.setFont(new Font("Times New Roman", Font.PLAIN, 18));

    // 
    // g.setColor(new Color());
    // g.drawRect(0,0,width-1,height-1);

    // ?155?????
    g.setColor(getRandColor(160, 200));
    for (int i = 0; i < 155; i++) {
        int x = random.nextInt(width);
        int y = random.nextInt(height);
        int xl = random.nextInt(12);
        int yl = random.nextInt(12);
        g.drawLine(x, y, x + xl, y + yl);
    }

    String base = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQUSTUVWXYZ0123456789";
    // ????(4?)
    String sRand = "";
    for (int i = 0; i < 4; i++) {
        int start = random.nextInt(base.length());
        String rand = base.substring(start, start + 1);
        sRand = sRand.concat(rand);
        // ??
        g.setColor(new Color(20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
        g.drawString(rand, 13 * i + 6, 16);
    }

    // ??SESSION
    request.getSession().setAttribute("entrymrand", sRand);

    // 
    g.dispose();
    OutputStream out = response.getOutputStream();
    // ?
    ImageIO.write(image, "JPEG", out);

    out.flush();
    out.close();
}

From source file:Main.java

public void add(int dx, int dy) {
    endPoint.x += dx;//from  www  . j ava2 s  .c o m
    endPoint.y += dy;
    Graphics g = getGraphics();
    g.drawLine(startPoint.x, startPoint.y, endPoint.x, endPoint.y);
    g.dispose();
    startPoint.x = endPoint.x;
    startPoint.y = endPoint.y;
}

From source file:Main.java

public void paint(Graphics g) {
    super.paint(g);
    Rectangle r = g.getClipBounds();
    g.drawLine(0, 0, r.width, r.height);

}

From source file:Main.java

public void paint(Graphics g) {
    g.drawString(s, x, y);
    g.drawLine(x, y + 2, x + getFontMetrics(getFont()).stringWidth(s), y + 2);
}

From source file:Main.java

@Override
protected void paintComponent(Graphics g) {
    super.paintComponent(g);
    g.setColor(Color.red);//from w ww.  j a  va  2 s. c  om
    g.drawLine(0, 0, getWidth(), getHeight());
    g.drawLine(getWidth(), 0, 0, getHeight());
}