Example usage for java.awt Color getRed

Introduction

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

Prototype

public int getRed() 

Source Link

Document

Returns the red component in the range 0-255 in the default sRGB space.

Usage

From source file:org.jfree.eastwood.GXYPlot.java

/**
 * Draws the gridlines for the plot, if they are visible.
 *
 * @param g2  the graphics device./*from   w  ww .  j ava2 s .  c om*/
 * @param dataArea  the data area.
 * @param ticks  the ticks.
 *
 * @see #drawRangeGridlines(Graphics2D, Rectangle2D, List)
 */
protected void drawDomainGridlines(Graphics2D g2, Rectangle2D dataArea, List ticks) {

    // no renderer, no gridlines...
    if (getRenderer() == null) {
        return;
    }

    // draw the domain grid lines, if any...
    if (isDomainGridlinesVisible() && this.xAxisStepSize > 0) {
        Stroke gridStroke = getDomainGridlineStroke();
        Paint gridPaint = getDomainGridlinePaint();
        if ((gridStroke != null) && (gridPaint != null)) {
            ValueAxis axis = getDomainAxis();
            if (axis != null) {
                double lower = axis.getRange().getLowerBound();
                double upper = axis.getRange().getUpperBound();
                double x = lower;
                while (x <= upper) {
                    Paint paint = gridPaint;
                    if ((x == lower || x == upper) && gridPaint instanceof Color) {
                        Color c = (Color) gridPaint;
                        paint = new Color(c.getRed(), c.getGreen(), c.getBlue(), c.getAlpha() / 3);
                    }
                    try {
                        setDomainGridlinePaint(paint);
                        getRenderer().drawDomainGridLine(g2, this, getDomainAxis(), dataArea, x);
                    } finally {
                        setDomainGridlinePaint(gridPaint);
                    }
                    x += this.xAxisStepSize;
                }
            }
        }
    }
}

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From source file:Main.java

public Main() {
    for (int i = 0; i < panels.length; i++) {
        final String[] labels = new String[] { "0", "1" };
        final Random rand = new Random();
        int index = rand.nextInt(labels.length);
        String randomTitle = labels[index];
        final JLabel label = new JLabel(randomTitle, JLabel.CENTER);
        Timer lblt = new Timer(00, new ActionListener() {
            @Override//from   w w  w. j a  va  2s .  com
            public void actionPerformed(ActionEvent ae) {
                label.setText(labels[rand.nextInt(labels.length)]);
            }
        });
        lblt.setRepeats(true);
        lblt.start();
        label.setForeground(Color.green);
        label.setVerticalAlignment(JLabel.CENTER);
        panels[i] = new JPanel();
        panels[i].setBackground(Color.BLACK);
        panels[i].add(label);
        frame.getContentPane().add(panels[i]);
    }
    frame.setLayout(new GridLayout(grid, grid));
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setExtendedState(java.awt.Frame.MAXIMIZED_BOTH);
    frame.setVisible(true);

    ActionListener action = new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            for (int i = 0; i < panels.length; i++) {
                Color mix = new Color(255, 255, 255);
                Random random = new Random();
                int r = random.nextInt(255);
                int g = random.nextInt(255);
                int b = random.nextInt(255);

                if (mix != null) {
                    r = (r + mix.getRed()) / 2;
                    g = (g + mix.getGreen()) / 2;
                    b = (b + mix.getBlue()) / 2;
                }
                Color color = new Color(r, g, b);
                panels[i].setBackground(color);
            }
        }
    };

    t = new Timer(00, action);
    t.setRepeats(true);
    t.start();
}

---

From source file:io.github.minecraftgui.models.network.packets.PacketInitClient.java

@Override
public JSONObject toJSON() {
    JSONObject jsonObject = new JSONObject();
    JSONArray fonts = new JSONArray();
    JSONArray images = new JSONArray();
    JSONArray fontsToGenerate = new JSONArray();

    for (String font : this.fonts)
        fonts.put(font);//  w  ww. j  a  va 2s .c o  m

    for (Map.Entry pairs : this.images.entrySet())
        images.put(new JSONObject().put(NetworkController.URL, pairs.getKey()).put(NetworkController.NAME,
                pairs.getValue()));

    for (Map.Entry pairs : this.fontsGenerate.entrySet()) {
        JSONObject font = new JSONObject();
        JSONArray colorList = new JSONArray();

        for (Map.Entry pairs1 : ((HashMap<Color, Integer>) pairs.getValue()).entrySet()) {
            JSONObject colorObj = new JSONObject();
            JSONArray sizeList = new JSONArray();
            Color color = (Color) pairs1.getKey();
            ArrayList<Integer> sizes = (ArrayList) pairs1.getValue();

            for (Integer size : sizes)
                sizeList.put(size);

            colorObj.put(NetworkController.R, color.getRed());
            colorObj.put(NetworkController.G, color.getGreen());
            colorObj.put(NetworkController.B, color.getBlue());
            colorObj.put(NetworkController.A, color.getAlpha());
            colorObj.put(NetworkController.LIST, sizeList);
            colorList.put(colorObj);
        }

        font.put(NetworkController.NAME, pairs.getKey());
        font.put(NetworkController.LIST, colorList);
        fontsToGenerate.put(font);
    }

    jsonObject.put(NetworkController.FONTS, fonts);
    jsonObject.put(NetworkController.IMAGES, images);
    jsonObject.put(NetworkController.FONTS_TO_GENERATE, fontsToGenerate);

    return jsonObject;
}

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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
 *//*  ww  w. j a v a2  s . co  m*/
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:org.geoserver.wms.wms_1_1_1.GetLegendGraphicTest.java

/**
 * Tests an custom legend graphic/*from  w  ww  .j  a  v a2 s .com*/
 */
@Test
public void testCustomLegend() throws Exception {
    String base = "wms?service=WMS&version=1.1.1&request=GetLegendGraphic" + "&layer=sf:states&style=custom"
            + "&format=image/png&width=22&height=22";

    BufferedImage image = getAsImage(base, "image/png");
    Resource resource = getResourceLoader().get("styles/legend.png");
    BufferedImage expected = ImageIO.read(resource.file());

    assertEquals(getPixelColor(expected, 10, 2).getRGB(), getPixelColor(image, 10, 2).getRGB());

    // test rescale
    base = "wms?service=WMS&version=1.1.1&request=GetLegendGraphic" + "&layer=sf:states&style=custom"
            + "&format=image/png&width=16&height=16";

    image = getAsImage(base, "image/png");

    Color expectedColor = getPixelColor(expected, 11, 11);
    Color actualColor = getPixelColor(image, 8, 8);
    assertEquals("red", expectedColor.getRed(), actualColor.getRed());
    assertEquals("green", expectedColor.getGreen(), actualColor.getGreen());
    assertEquals("blue", expectedColor.getBlue(), actualColor.getBlue());
    assertEquals("alpha", expectedColor.getAlpha(), actualColor.getAlpha());

}

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From source file:haven.Utils.java

public static Color contrast(Color col) {
    int max = Math.max(col.getRed(), Math.max(col.getGreen(), col.getBlue()));
    if (max > 128) {
        return (new Color(col.getRed() / 2, col.getGreen() / 2, col.getBlue() / 2, col.getAlpha()));
    } else if (max == 0) {
        return (Color.WHITE);
    } else {//from w w  w.  j  a v  a  2 s  .  c  o  m
        int f = 128 / max;
        return (new Color(col.getRed() * f, col.getGreen() * f, col.getBlue() * f, col.getAlpha()));
    }
}

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From source file:haven.Utils.java

public static float[] c2fa(Color c) {
    return (new float[] { ((float) c.getRed() / 255.0f), ((float) c.getGreen() / 255.0f),
            ((float) c.getBlue() / 255.0f), ((float) c.getAlpha() / 255.0f) });
}

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From source file:com.controlj.addon.gwttree.server.OpaqueBarRenderer3D.java

private Color getTopLight(Color primary) {
    float hsbVals[] = new float[3];
    Color.RGBtoHSB(primary.getRed(), primary.getGreen(), primary.getBlue(), hsbVals);
    hsbVals[1] = 0.3f;//w w w .  j  a va2  s.c  om
    hsbVals[2] = 0.97f;
    return Color.getHSBColor(hsbVals[0], hsbVals[1], hsbVals[2]);
}

---

From source file:com.controlj.addon.gwttree.server.OpaqueBarRenderer3D.java

private Color getTopDark(Color primary) {
    float hsbVals[] = new float[3];
    Color.RGBtoHSB(primary.getRed(), primary.getGreen(), primary.getBlue(), hsbVals);
    hsbVals[1] = 0.9f;/*from w w w  . j a  v  a2 s .  com*/
    hsbVals[2] = 0.6f;
    return Color.getHSBColor(hsbVals[0], hsbVals[1], hsbVals[2]);
}

---

From source file:com.controlj.addon.gwttree.server.OpaqueBarRenderer3D.java

private Color getFrontDark(Color primary) {
    float hsbVals[] = new float[3];
    Color.RGBtoHSB(primary.getRed(), primary.getGreen(), primary.getBlue(), hsbVals);
    hsbVals[1] = 1.0f;// w  ww. jav  a  2 s .  co m
    hsbVals[2] = 0.5f;
    return Color.getHSBColor(hsbVals[0], hsbVals[1], hsbVals[2]);
}

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