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:Main.java

public static String getColorString(Color color) {
    StringBuffer buffer = new StringBuffer("#"); //$NON-NLS-1$
    appendComponent(buffer, color.getRed());
    appendComponent(buffer, color.getGreen());
    appendComponent(buffer, color.getBlue());
    return buffer.toString();
}

From source file:Utils.java

/**
 * Derives a color by adding the specified offsets to the base color's 
 * hue, saturation, and brightness values.   The resulting hue, saturation,
 * and brightness values will be contrained to be between 0 and 1.
 * @param base the color to which the HSV offsets will be added
 * @param dH the offset for hue//from  ww  w  . j a v  a  2s  .  co  m
 * @param dS the offset for saturation
 * @param dB the offset for brightness
 * @return Color with modified HSV values
 */
public static Color deriveColorHSB(Color base, float dH, float dS, float dB) {
    float hsb[] = Color.RGBtoHSB(base.getRed(), base.getGreen(), base.getBlue(), null);

    hsb[0] += dH;
    hsb[1] += dS;
    hsb[2] += dB;
    return Color.getHSBColor(hsb[0] < 0 ? 0 : (hsb[0] > 1 ? 1 : hsb[0]),
            hsb[1] < 0 ? 0 : (hsb[1] > 1 ? 1 : hsb[1]), hsb[2] < 0 ? 0 : (hsb[2] > 1 ? 1 : hsb[2]));

}

From source file:Main.java

/**
 * Linear interpolation.//from w  ww.  j  ava2s  .c  o m
 * @param color0
 * @param color1
 * @param amount
 * @return
 */
public static Color Lerp(Color color0, Color color1, double amount) {
    int r = (int) Lerp(color0.getRed(), color1.getRed(), amount);
    int g = (int) Lerp(color0.getGreen(), color1.getGreen(), amount);
    int b = (int) Lerp(color0.getBlue(), color1.getBlue(), amount);
    int a = (int) Lerp(color0.getAlpha(), color1.getAlpha(), amount);
    if (r > 255)
        r = 255;
    if (r < 0)
        r = 0;
    if (g > 255)
        g = 255;
    if (g < 0)
        g = 0;
    if (b > 255)
        b = 255;
    if (b < 0)
        b = 0;
    if (a > 255)
        a = 255;
    if (a < 0)
        a = 0;
    return new Color(r, g, b, a);
}

From source file:Main.java

public static byte[] getCompressedImage(byte[] rgb) {

    BufferedImage image;/*from   w w w  . ja  v a2 s  .  c o  m*/
    int width;
    int height;

    try {
        image = ImageIO.read(new ByteArrayInputStream(rgb));
        width = image.getWidth();
        height = image.getHeight();

        for (int i = 0; i < height; i++) {

            for (int j = 0; j < width; j++) {

                Color c = new Color(image.getRGB(j, i));
                int red = (int) (c.getRed() * 0.299);
                int green = (int) (c.getGreen() * 0.587);
                int blue = (int) (c.getBlue() * 0.114);
                Color newColor = new Color(red + green + blue,

                        red + green + blue, red + green + blue);

                image.setRGB(j, i, newColor.getRGB());
            }
        }

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(image, "jpg", baos);
        baos.flush();
        byte[] imageInByte = baos.toByteArray();
        baos.close();

        return imageInByte;

    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:edu.ku.brc.ui.ColorWrapper.java

/**
 * Helper to convert a Color into a string "r,g,b"
 * @param c the color//from w  w w. j a  va  2s  .  c om
 * @return the comma separated string
 */
public static String toString(Color c) {
    return c.getRed() + ", " + c.getGreen() + ", " + c.getBlue();
}

From source file:proteinHypernetworkVisualization.implementation.jung.visualization.DefaultGraphStyle.java

public static Color makeTransparent(Color c) {
    return new Color(c.getRed(), c.getGreen(), c.getBlue(), 150);
}

From source file:org.esa.beam.visat.toolviews.stat.MaskSelectionToolSupport.java

private static Color createAlphaColor(Color color, int alpha) {
    return new Color(color.getRed(), color.getGreen(), color.getBlue(), alpha);
}

From source file:Main.java

public static void addColorProperty(Document document, Element parent, String name, Color value) {
    addPropertyNode(document, parent, name).setAttribute(COLOR_ATTR,
            value.getRed() + "," + value.getGreen() + "," + value.getBlue());
}

From source file:com.embedler.moon.jtxt2img.CoreHelper.java

public static String rgb2hex(Color color) {
    Validate.notNull(color, "Color must not be null");
    return String.format("#%02x%02x%02x", color.getRed(), color.getGreen(), color.getBlue());
}

From source file:Main.java

public static Color getGradientRgbColor(float ratio, Color minColor, Color maxColor) {
    if (ratio < 0)
        ratio = 0.0F;/*  w ww.jav a  2 s . c  o m*/
    if (ratio > 1.0)
        ratio = 1.0F;
    int red = (int) (maxColor.getRed() * ratio + minColor.getRed() * (1.0 - ratio));
    int green = (int) (maxColor.getGreen() * ratio + minColor.getGreen() * (1 - ratio));
    int blue = (int) (maxColor.getBlue() * ratio + minColor.getBlue() * (1 - ratio));
    Color gradient = new Color(red, green, blue);
    return gradient;
}