Example usage for java.awt Color Color

Introduction

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

Prototype

public Color(ColorSpace cspace, float[] components, float alpha) 

Source Link

Document

Creates a color in the specified ColorSpace with the color components specified in the float array and the specified alpha.

Usage

From source file:bwem.example.MapPrinterExample.java

private Color getZoneColor(Area area, java.util.Map<Integer, Color> mapZoneColor) {
    final int zoneId = mapPrinter.showAreas ? area.getId().intValue() : area.getGroupId().intValue();
    Color color = mapZoneColor.get(zoneId);
    if (color == null) { // zoneId was not find --> insertion did occur --> we have do define the new color:
        int tries = 0;
        do {/*from   w w  w . j  ava  2 s  .  co  m*/
            color = new Color(this.randomGenerator.nextInt(256), this.randomGenerator.nextInt(256), 0); // blue unused for Terrain so that Water can be easily distinguished.
            if (++tries > 100)
                break;
        } while (
        // 1) color should not be too dark
        (color.getRed() + color.getGreen() < 150) ||

        // 2) color should differ enough from the colors of the neighboring areas
                (mapPrinter.showAreas
                        && getZoneColorCppAlgorithmAnyOf(area.getChokePointsByArea(), mapZoneColor, color)));
        mapZoneColor.put(zoneId, color);
    }

    return color;
}

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From source file:com.tdclighthouse.prototype.servlets.JLatexServlet.java

private synchronized BufferedImage generateImage(String latex) {
    TeXFormula formula = new TeXFormula(latex);
    TeXIcon icon = formula.createTeXIcon(TeXConstants.STYLE_DISPLAY, 20);
    icon.setInsets(new Insets(5, 5, 5, 5));

    BufferedImage image = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(),
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = image.createGraphics();
    g2.setColor(Color.white);/*  ww  w .  j av  a 2  s.c  o  m*/
    g2.fillRect(0, 0, icon.getIconWidth(), icon.getIconHeight());
    JLabel jl = new JLabel();
    jl.setForeground(new Color(0, 0, 0));
    icon.paintIcon(jl, g2, 0, 0);
    return image;
}

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From source file:com.synnex.saas.platform.core.servlet.CaptchaServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    try {// ww w  .  j av  a  2 s  .  c o  m
        int width = 50;
        int height = 18;
        String captchaCode = RandomStringUtils.random(4, true, true);
        HttpSession session = request.getSession(true);
        session.setAttribute("captchaCode", captchaCode);

        response.setContentType("images/jpeg");
        response.setHeader("Pragma", "No-cache");
        response.setHeader("Cache-Control", "no-cache");
        response.setDateHeader("Expires", 0);

        ServletOutputStream out = response.getOutputStream();
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics g = image.getGraphics();
        g.setColor(getRandColor(200, 250));
        g.fillRect(0, 0, width, height);
        Font mFont = new Font("Times New Roman", Font.BOLD, 18);
        g.setFont(mFont);
        g.setColor(getRandColor(160, 200));
        Random random = new Random();
        for (int i = 0; i < 155; i++) {
            int x2 = random.nextInt(width);
            int y2 = random.nextInt(height);
            int x3 = random.nextInt(12);
            int y3 = random.nextInt(12);
            g.drawLine(x2, y2, x2 + x3, y2 + y3);
        }
        g.setColor(new Color(20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
        g.drawString(captchaCode, 2, 16);
        g.dispose();
        ImageIO.write((BufferedImage) image, "JPEG", out);
        out.close();
    } catch (Exception e) {
        logger.error("Generate captcha failed.", e);
    }
}

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From source file:com.chris.brkopani.gui.analytics.Graph.java

/**
 * * Creates a chart/*from   w  w  w. j a  va2s .c  om*/
 */
private JFreeChart createChart(PieDataset dataset, String title) {

    JFreeChart chart = ChartFactory.createPieChart3D(title, // chart title
            dataset, // data
            true, // include legend
            true, false);

    PiePlot3D plot = (PiePlot3D) chart.getPlot();
    plot.setStartAngle(290);
    plot.setSectionPaint("...-20", new Color(195, 203, 113));
    plot.setSectionPaint("21-30", new Color(174, 90, 65));
    plot.setSectionPaint("35-...", new Color(85, 158, 131));
    plot.setDirection(Rotation.CLOCKWISE);
    plot.setForegroundAlpha(0.5f);
    return chart;

}

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From source file:ChangeTrackingTest.java

/**
 * Set the background color to the values stored in the text fields.
 *///from   w ww  . jav  a 2  s.c o  m
public void setColor() {
    try {
        int red = Integer.parseInt(redField.getText().trim());
        int green = Integer.parseInt(greenField.getText().trim());
        int blue = Integer.parseInt(blueField.getText().trim());
        panel.setBackground(new Color(red, green, blue));
    } catch (NumberFormatException e) {
        // don't set the color if the input can't be parsed
    }
}

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From source file:ch.epfl.lis.gnwgui.jungtransformers.NodeFillColorTransformer.java

/**
 * Constructor// ww w .  ja  v  a2 s  .  c om
 * @param pi
 */
public NodeFillColorTransformer(PickedInfo<V> pi) {
    pi_ = pi;
    defaultNodeColor = new Color(113, 153, 255); // Blue light
    pickedColor_ = Color.YELLOW;
    possibleNodeColor_ = new Color(255, 186, 0); // Orange
    solutionNodeColor_ = new Color(255, 70, 0); // Red
    //        solutionNodeColor_ = new Color(170, 255, 170);    // Pistachio
}

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From source file:examples.utils.CifarReader.java

public static BufferedImage getImageFromArray(double[] pixels, int width, int height) {
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    for (int i = 0; i < pixels.length / IMAGE_DEPTH; ++i) {
        int rgb = new Color(Double.valueOf(pixels[i]).intValue(), Double.valueOf(pixels[i + 1024]).intValue(),
                Double.valueOf(pixels[i + 2048]).intValue()).getRGB();
        image.setRGB(i % IMAGE_WIDTH, i / IMAGE_HIGHT, rgb);
    }/*from  w w  w.ja v a2 s .c o m*/
    return image;
}

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From source file:ColorGradient.java

/**
 * Draw a color gradient from the top of the specified component to the
 * bottom. Start with the start color and change smoothly to the end
 *//*from   www  .  j  av a 2s .  c om*/
public void fillGradient(Component c, Graphics g, Color start, Color end) {
    Rectangle bounds = this.getBounds(); // How big is the component?
    // Get the red, green, and blue components of the start and end
    // colors as floats between 0.0 and 1.0. Note that the Color class
    // also works with int values between 0 and 255
    float r1 = start.getRed() / 255.0f;
    float g1 = start.getGreen() / 255.0f;
    float b1 = start.getBlue() / 255.0f;
    float r2 = end.getRed() / 255.0f;
    float g2 = end.getGreen() / 255.0f;
    float b2 = end.getBlue() / 255.0f;
    // Figure out how much each component should change at each y value
    float dr = (r2 - r1) / bounds.height;
    float dg = (g2 - g1) / bounds.height;
    float db = (b2 - b1) / bounds.height;

    // Now loop once for each row of pixels in the component
    for (int y = 0; y < bounds.height; y++) {
        g.setColor(new Color(r1, g1, b1)); // Set the color of the row
        g.drawLine(0, y, bounds.width - 1, y); // Draw the row
        r1 += dr;
        g1 += dg;
        b1 += db; // Increment color components
    }
}

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From source file:DashboardInterface.CableOutSpeedDial.java

public CableOutSpeedDial(JPanel parentIn) {
    super(new BorderLayout());
    parent = parentIn;/*w w  w.j  a  va2 s .c  o  m*/
    dataset1 = new DefaultValueDataset(0D);
    dataset2 = new DefaultValueDataset(0D);
    pipe = MessagePipeline.getInstance();
    pipe.attach(this);
    DialPlot dialplot = new DialPlot();
    dialplot.setView(0.0D, 0.0D, 1.0D, 1.0D);
    dialplot.setDataset(0, dataset1);
    dialplot.setDataset(1, dataset2);
    setBackground(Color.WHITE);
    StandardDialFrame standarddialframe = new StandardDialFrame();
    standarddialframe.setBackgroundPaint(Color.lightGray);
    standarddialframe.setForegroundPaint(Color.darkGray);

    dialplot.setDialFrame(standarddialframe);

    DialBackground dialbackground = new DialBackground(Color.LIGHT_GRAY);

    dialbackground.setGradientPaintTransformer(
            new StandardGradientPaintTransformer(GradientPaintTransformType.VERTICAL));
    dialplot.setBackground(dialbackground);

    DialTextAnnotation dialtextannotation = new DialTextAnnotation("Cable Out (ft)");
    dialtextannotation.setFont(new Font("Dialog", 1, 12));
    dialtextannotation.setPaint(new Color(36, 130, 9));
    dialtextannotation.setRadius(0.47999999999999996D);
    dialplot.addLayer(dialtextannotation);

    DialTextAnnotation dialtextannotation2 = new DialTextAnnotation("Speed (kts)");
    dialtextannotation2.setFont(new Font("Dialog", 1, 12));
    dialtextannotation2.setPaint(Color.BLUE);
    dialtextannotation2.setRadius(0.78999999999999996D);
    dialplot.addLayer(dialtextannotation2);

    /*DialValueIndicator dialvalueindicator = new DialValueIndicator(0);
    dialvalueindicator.setFont(new Font("Dialog", 0, 10));
    dialvalueindicator.setOutlinePaint(Color.BLACK);
    dialvalueindicator.setRadius(0.84999999999999998D);
    dialvalueindicator.setAngle(-90D);
    dialplot.addLayer(dialvalueindicator);
            
    DialValueIndicator dialvalueindicator1 = new DialValueIndicator(1);
    dialvalueindicator1.setFont(new Font("Dialog", 0, 10));
    dialvalueindicator1.setOutlinePaint(Color.BLACK);
    dialvalueindicator1.setRadius(0.60999999999999998D);
    dialvalueindicator1.setAngle(-90D);
    dialplot.addLayer(dialvalueindicator1);*/

    StandardDialScale standarddialscale = new StandardDialScale(0D, 90D, -110D, -320D, 10D, 4);
    standarddialscale.setTickRadius(0.88D);
    standarddialscale.setTickLabelOffset(0.14999999999999999D);
    standarddialscale.setTickLabelFont(new Font("Dialog", 0, 14));
    standarddialscale.setMajorTickPaint(Color.BLUE);
    standarddialscale.setMinorTickPaint(Color.BLUE);
    dialplot.addScale(0, standarddialscale);

    StandardDialScale standarddialscale1 = new StandardDialScale(0.0D, 6000D, -110D, -320D, 750D, 4);
    standarddialscale1.setTickRadius(0.5D);
    standarddialscale1.setTickLabelOffset(0.14999999999999999D);
    standarddialscale1.setTickLabelFont(new Font("Dialog", 0, 10));
    standarddialscale1.setTickLabelPaint(new Color(36, 130, 9));
    standarddialscale1.setMajorTickPaint(new Color(36, 130, 9));
    standarddialscale1.setMinorTickPaint(new Color(36, 130, 9));
    dialplot.addScale(1, standarddialscale1);

    dialplot.mapDatasetToScale(1, 1);

    org.jfree.chart.plot.dial.DialPointer.Pointer pointer = new org.jfree.chart.plot.dial.DialPointer.Pointer(
            0);
    pointer.setFillPaint(Color.BLUE);
    dialplot.addPointer(pointer);

    org.jfree.chart.plot.dial.DialPointer.Pointer pin = new org.jfree.chart.plot.dial.DialPointer.Pointer(1);
    pin.setRadius(0.55000000000000004D);
    pin.setFillPaint(new Color(36, 130, 9));
    dialplot.addPointer(pin);

    DialCap dialcap = new DialCap();
    dialcap.setRadius(0.10000000000000001D);
    dialplot.setCap(dialcap);

    Dimension size = parent.getBounds().getSize();
    int width = parent.getWidth();
    int height = parent.getHeight();

    width = 200;

    JFreeChart jfreechart = new JFreeChart(dialplot);
    jfreechart.setBackgroundPaint(Color.WHITE);
    ChartPanel chartpanel = new ChartPanel(jfreechart);
    chartpanel.setPreferredSize(new Dimension(width, width));

    add(chartpanel);
}

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From source file:com.aw.swing.mvp.view.ViewManager.java

/**
 * Setting some default colors to the screens
 *///from  w ww. j  a  va  2 s .  co  m
private void prepareView() {
    if (!(presenter instanceof FindPresenter)) {
        JPanel pnlToolBar = getIpView().getPnlToolBar();
        if (pnlToolBar != null) {
            pnlToolBar.setBackground(new Color(223, 232, 246));
            pnlToolBar.setBorder(BorderFactory.createLineBorder(new Color(131, 172, 219), 1));
        }
    }
}

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