Example usage for java.awt Color getColorComponents

Introduction

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

Prototype

public float[] getColorComponents(float[] compArray) 

Source Link

Document

Returns a float array containing only the color components of the Color , in the ColorSpace of the Color .

Usage

From source file:Main.java

public static void main(String[] args) {

    Color myColor = Color.RED;

    System.out.println(Arrays.toString(myColor.getColorComponents(null)));

}

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From source file:Main.java

public static void main(String[] args) {

    Color myColor = new Color(ColorSpace.getInstance(ColorSpace.CS_CIEXYZ), new float[] { 0.1F, 0.2F, 0.3F },
            0.4F);/*from ww  w. j a v a  2  s  .  com*/

    System.out.println(Arrays.toString(myColor.getColorComponents(null)));

}

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From source file:algorithms.MedianDivergenceComputer.java

public static PColor convert(Color color) {
    return PColor.create(CS_sRGB.instance, color.getColorComponents(new float[3]));
}

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From source file:D20140128.ApacheXMLGraphicsTest.EPSColorsExample.java

/**
 * Creates an EPS file. The contents are painted using a Graphics2D
 * implementation that generates an EPS file.
 *
 * @param outputFile the target file//from  ww  w  .jav a 2  s  . c  o m
 * @throws IOException In case of an I/O error
 */
public static void generateEPSusingJava2D(File outputFile) throws IOException {
    OutputStream out = new java.io.FileOutputStream(outputFile);
    out = new java.io.BufferedOutputStream(out);
    try {
        //Instantiate the EPSDocumentGraphics2D instance
        EPSDocumentGraphics2D g2d = new EPSDocumentGraphics2D(false);
        g2d.setGraphicContext(new org.apache.xmlgraphics.java2d.GraphicContext());

        //Set up the document size
        g2d.setupDocument(out, 400, 200); //400pt x 200pt

        //Paint a bounding box
        g2d.drawRect(0, 0, 400, 200);

        g2d.setFont(new Font("sans-serif", Font.BOLD, 14));
        g2d.drawString("Color usage example:", 10, 20);
        g2d.setFont(new Font("sans-serif", Font.PLAIN, 12));
        g2d.drawString("RGB", 10, 84);
        g2d.drawString("CMYK", 60, 84);
        g2d.drawString("(Lab)", 110, 84);
        g2d.drawString("(Named)", 160, 84);

        //We're creating a few boxes all filled with some variant of the
        //"Postgelb" (postal yellow) color as used by Swiss Post.
        Color colRGB = new Color(255, 204, 0);
        g2d.setColor(colRGB);
        g2d.fillRect(10, 30, 40, 40);

        //Just convert RGB to CMYK and use that
        float[] compsRGB = colRGB.getColorComponents(null);
        DeviceCMYKColorSpace cmykCS = ColorSpaces.getDeviceCMYKColorSpace();
        float[] compsCMYK = cmykCS.fromRGB(compsRGB);
        Color colCMYK = DeviceCMYKColorSpace.createCMYKColor(compsCMYK);
        g2d.setColor(colCMYK);
        g2d.fillRect(60, 30, 40, 40);

        //Try CIELab (not implemented, yet)
        CIELabColorSpace d50 = ColorSpaces.getCIELabColorSpaceD50();
        Color colLab = d50.toColor(83.25f, 16.45f, 96.89f, 1.0f);
        g2d.setColor(colLab);
        g2d.fillRect(110, 30, 40, 40);

        //Try named color (Separation, not implemented, yet)
        float[] c1xyz = d50.toCIEXYZNative(83.25f, 16.45f, 96.89f);
        NamedColorSpace postgelb = new NamedColorSpace("Postgelb", c1xyz);
        Color colNamed = new Color(postgelb, new float[] { 1.0f }, 1.0f);
        g2d.setColor(colNamed);
        g2d.fillRect(160, 30, 40, 40);

        //Cleanup
        g2d.finish();
    } finally {
        IOUtils.closeQuietly(out);
    }
}

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From source file:ColorUtil.java

/**
 * Return the "distance" between two colors.
 * /*from  w  w  w  .ja  v  a 2  s. c  o  m*/
 * @param color1  First color.
 * @param color2  Second color.
 * @return        Distance between colors.
 */
public static double colorDistance(Color color1, Color color2) {
    float rgb1[] = new float[3];
    float rgb2[] = new float[3];

    color1.getColorComponents(rgb1);
    color2.getColorComponents(rgb2);

    return ColorUtil.colorDistance(rgb1[0], rgb1[1], rgb1[2], rgb2[0], rgb2[1], rgb2[2]);
}

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From source file:gate.termraider.output.CloudGenerator.java

private static Color blend(Color clOne, Color clTwo, float fAmount) {
    float fInverse = 1.0f - fAmount;

    float afOne[] = new float[3];
    clOne.getColorComponents(afOne);
    float afTwo[] = new float[3];
    clTwo.getColorComponents(afTwo);/*from  www.  ja  v a 2  s  . co m*/

    float afResult[] = new float[3];
    afResult[0] = afOne[0] * fAmount + afTwo[0] * fInverse;
    afResult[1] = afOne[1] * fAmount + afTwo[1] * fInverse;
    afResult[2] = afOne[2] * fAmount + afTwo[2] * fInverse;

    return new Color(afResult[0], afResult[1], afResult[2]);
}

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From source file:java2d.ps.EPSColorsExample.java

/**
 * Creates an EPS file. The contents are painted using a Graphics2D
 * implementation that generates an EPS file.
 * // ww  w .j a  va 2  s  .  c  o  m
 * @param outputFile
 *            the target file
 * @throws IOException
 *             In case of an I/O error
 */
public static void generateEPSusingJava2D(final File outputFile) throws IOException {
    OutputStream out = new java.io.FileOutputStream(outputFile);
    out = new java.io.BufferedOutputStream(out);
    try {
        // Instantiate the EPSDocumentGraphics2D instance
        final EPSDocumentGraphics2D g2d = new EPSDocumentGraphics2D(false);
        g2d.setGraphicContext(new org.apache.xmlgraphics.java2d.GraphicContext());

        // Set up the document size
        g2d.setupDocument(out, 400, 200); // 400pt x 200pt

        // Paint a bounding box
        g2d.drawRect(0, 0, 400, 200);

        g2d.setFont(new Font("sans-serif", Font.BOLD, 14));
        g2d.drawString("Color usage example:", 10, 20);
        g2d.setFont(new Font("sans-serif", Font.PLAIN, 12));
        g2d.drawString("RGB", 10, 84);
        g2d.drawString("CMYK", 60, 84);
        g2d.drawString("(Lab)", 110, 84);
        g2d.drawString("(Named)", 160, 84);

        // We're creating a few boxes all filled with some variant of the
        // "Postgelb" (postal yellow) color as used by Swiss Post.

        final Color colRGB = new Color(255, 204, 0);
        g2d.setColor(colRGB);
        g2d.fillRect(10, 30, 40, 40);

        // Just convert RGB to CMYK and use that
        final float[] compsRGB = colRGB.getColorComponents(null);
        final DeviceCMYKColorSpace cmykCS = ColorSpaces.getDeviceCMYKColorSpace();
        final float[] compsCMYK = cmykCS.fromRGB(compsRGB);
        final Color colCMYK = DeviceCMYKColorSpace.createCMYKColor(compsCMYK);
        g2d.setColor(colCMYK);
        g2d.fillRect(60, 30, 40, 40);

        // Try CIELab (not implemented, yet)
        final CIELabColorSpace d50 = ColorSpaces.getCIELabColorSpaceD50();
        final Color colLab = d50.toColor(83.25f, 16.45f, 96.89f, 1.0f);
        g2d.setColor(colLab);
        g2d.fillRect(110, 30, 40, 40);

        // Try named color (Separation, not implemented, yet)
        final float[] c1xyz = d50.toCIEXYZNative(83.25f, 16.45f, 96.89f);
        final NamedColorSpace postgelb = new NamedColorSpace("Postgelb", c1xyz);
        final Color colNamed = new Color(postgelb, new float[] { 1.0f }, 1.0f);
        g2d.setColor(colNamed);
        g2d.fillRect(160, 30, 40, 40);

        // Cleanup
        g2d.finish();
    } finally {
        IOUtils.closeQuietly(out);
    }
}

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From source file:ColorUtil.java

/**
 * Blend two colors./*from  w w  w.j  ava  2 s.  com*/
 * 
 * @param color1  First color to blend.
 * @param color2  Second color to blend.
 * @param ratio   Blend ratio. 0.5 will give even blend, 1.0 will return
 *                color1, 0.0 will return color2 and so on.
 * @return        Blended color.
 */
public static Color blend(Color color1, Color color2, double ratio) {
    float r = (float) ratio;
    float ir = (float) 1.0 - r;

    float rgb1[] = new float[3];
    float rgb2[] = new float[3];

    color1.getColorComponents(rgb1);
    color2.getColorComponents(rgb2);

    Color color = new Color(rgb1[0] * r + rgb2[0] * ir, rgb1[1] * r + rgb2[1] * ir, rgb1[2] * r + rgb2[2] * ir);

    return color;
}

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From source file:de.saring.util.gui.jfreechart.StackedRenderer.java

/**
 * Returns the paint used to fill an item drawn by the renderer.
 * Overridden for proper display of legend items
 *
 * @param series the series index (zero-based).
 * @return The paint (never <code>null</code>).
 *//*from www .j ava 2s  .co m*/
@Override
public Paint lookupSeriesPaint(int series) {
    Paint paint = super.lookupSeriesPaint(series);
    if (paint instanceof Color) {
        Color color = (Color) paint;
        paint = new Color(color.getColorSpace(), color.getColorComponents(null), areaAlpha);
    }
    return paint;
}

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From source file:fi.nls.oskari.printout.printing.PDPageContentStream.java

/**
 * Set the stroking color, specified as RGB.
 * /*ww w.  j  ava 2 s .co  m*/
 * @param color
 *            The color to set.
 * @throws IOException
 *             If an IO error occurs while writing to the stream.
 */
public void setStrokingColor(Color color) throws IOException {
    ColorSpace colorSpace = color.getColorSpace();
    if (colorSpace.getType() == ColorSpace.TYPE_RGB) {
        setStrokingColor(color.getRed(), color.getGreen(), color.getBlue());
    } else if (colorSpace.getType() == ColorSpace.TYPE_GRAY) {
        color.getColorComponents(colorComponents);
        setStrokingColor(colorComponents[0]);
    } else if (colorSpace.getType() == ColorSpace.TYPE_CMYK) {
        color.getColorComponents(colorComponents);
        setStrokingColor(colorComponents[0], colorComponents[1], colorComponents[2], colorComponents[3]);
    } else {
        throw new IOException("Error: unknown colorspace:" + colorSpace);
    }
}

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