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(int rgb)

Source Link

Document

Creates an opaque sRGB color with the specified combined RGB value consisting of the red component in bits 16-23, the green component in bits 8-15, and the blue component in bits 0-7.

Usage

From source file:Main.java

/**
 * Parse string value as Color. Return default value if source
 * string is null./*from  ww w  .  ja  v a2  s.co  m*/
 * @param value String
 * @param defValue Color
 * @return Color
 */
public static Color getAsColor(String value, Color defValue) {
    Color result = defValue;
    if (value != null) {
        try {
            result = new Color(Integer.parseInt(value, 16));
        } catch (NumberFormatException ex) {
        }
    }
    return result;
}

From source file:Main.java

public static Color getTableBackgroundColor(boolean colored) {
    if (colored)/*from ww w .j a va 2  s  . c  om*/
        return new Color(0xf4f4f4);
    return UIManager.getColor("Table.background");
}

From source file:Main.java

/**
 * Generates a list of colors. The result is always identical.
 * /*from  w w w. java 2  s . c o  m*/
 * @param amount The number of colors to calculate.
 * @return A list of colors. Never returns <code>null</code>.
 * @see https://stackoverflow.com/questions/3403826/how-to-dynamically-compute-a-list-of-colors
 */
private static List<Color> calculateUniqueColors(int amount) {
    final int lowerLimit = 0x10;
    final int upperLimit = 0xE0;
    final int colorStep = (int) ((upperLimit - lowerLimit) / Math.pow(amount, 1f / 3));

    final List<Color> colors = new ArrayList<>(amount);

    for (int R = lowerLimit; R < upperLimit; R += colorStep)
        for (int G = lowerLimit; G < upperLimit; G += colorStep)
            for (int B = lowerLimit; B < upperLimit; B += colorStep) {
                if (colors.size() >= amount) { // The calculated step is not very precise, so this safeguard is appropriate
                    return colors;
                } else {
                    int color = (R << 16) + (G << 8) + (B);
                    colors.add(new Color(color));
                }
            }
    return colors;
}

From source file:MyCanvas.java

public MyCanvas() {
    int rgb = 0xff;
    for (int i = 0; i < 24; i++) {
        colors[i] = new Color(rgb);
        rgb <<= 1;/*w  w  w. j  a v a 2 s  . c o m*/
        if ((rgb & 0x1000000) != 0) {
            rgb |= 1;
            rgb &= 0xffffff;
        }
    }
}

From source file:imageprocessingproject.ImageHistogram.java

public static BufferedImage normalizeImage(BufferedImage image) {
    int height = image.getHeight();
    int width = image.getWidth();

    int r, g, b, minr = 255, ming = 255, minb = 255, maxr = 0, maxg = 0, maxb = 0;
    Color c;/*from  ww w . ja  va  2 s. com*/

    BufferedImage tempImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

    for (int i = 0; i < width; i++) {
        for (int j = 0; j < height; j++) {
            c = new Color(image.getRGB(i, j));
            if (minr > c.getRed()) {
                minr = c.getRed();
            }
            if (ming > c.getGreen()) {
                ming = c.getGreen();
            }
            if (minb > c.getBlue()) {
                minb = c.getBlue();
            }
            if (maxr < c.getRed()) {
                maxr = c.getRed();
            }
            if (maxg < c.getGreen()) {
                maxg = c.getGreen();
            }
            if (maxb < c.getBlue()) {
                maxb = c.getBlue();
            }
        }
    }

    for (int i = 0; i < width; i++) {
        for (int j = 0; j < height; j++) {
            c = new Color(image.getRGB(i, j));
            r = (int) ((c.getRed() - minr) * 255 / (maxr - minr));
            g = (int) ((c.getGreen() - ming) * 255 / (maxg - ming));
            b = (int) ((c.getBlue() - minb) * 255 / (maxb - minb));
            tempImage.setRGB(i, j, new Color(r, g, b, c.getAlpha()).getRGB());
        }
    }

    return tempImage;
}

From source file:app.utils.ImageUtilities.java

public static Image readImageFromFile(File imgFile) throws IOException {
    String imgName = imgFile.getName();
    BufferedImage img = ImageIO.read(imgFile);
    Pixel[][] pixels = new Pixel[img.getWidth()][img.getHeight()];
    for (int x = 0; x < img.getWidth(); x++) {
        for (int y = 0; y < img.getHeight(); y++) {
            int redValue = new Color(img.getRGB(x, y)).getRed();
            int greenValue = new Color(img.getRGB(x, y)).getGreen();
            int blueValue = new Color(img.getRGB(x, y)).getBlue();
            pixels[x][y] = new Pixel(redValue, greenValue, blueValue);
        }/*  w  w  w . j av  a 2 s .c o  m*/
    }
    return new Image(imgName, pixels, img.getRaster().getNumDataElements());
}

From source file:MainClass.java

public void paint(Graphics g) {
    int n = 3;/*from  w w  w  .  ja v a2s  .c om*/
    int xdata[] = new int[n];
    int ydata[] = new int[n];
    xdata[0] = 50;
    ydata[0] = 150;
    xdata[1] = 200;
    ydata[1] = 50;
    xdata[2] = 350;
    ydata[2] = 150;
    int rgb = Color.HSBtoRGB(1.0f, 1.0f, 1.0f);
    g.setColor(new Color(rgb));
    g.fillPolygon(xdata, ydata, n);

}

From source file:Main.java

@Override
protected void paintComponent(Graphics g) {
    Rectangle clip = g.getClipBounds();
    g.setColor(new Color(new Random().nextInt()));
    g.fillRect(clip.x, clip.y, clip.width, clip.height);
}

From source file:Main.java

public CirclePanel() {
    this.setPreferredSize(new Dimension(80, 80));
    this.setForeground(new Color(r.nextInt()));
    this.addMouseListener(new MouseAdapter() {
        @Override//  ww  w  .j  ava 2s .c o m
        public void mousePressed(MouseEvent e) {
            update();
        }
    });
}

From source file:de.cgarbs.lib.json.type.JSONTypeFactoryTest.java

@Test
public void checkWrapJavaObject() throws JSONException {
    assertThat(JSONTypeFactory.wrapJavaObject(new Color(0)), is(instanceOf(JSONColor.class)));
}