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:org.apache.xmlgraphics.ps.PSGenerator.java

private boolean establishColorFromColor(StringBuffer codeBuffer, Color color) {
    //Important: see above note about color handling!
    float[] comps = color.getColorComponents(null);
    if (color.getColorSpace().getType() == ColorSpace.TYPE_CMYK) {
        // colorspace is CMYK
        writeSetColor(codeBuffer, comps, "setcmykcolor");
        return true;
    }/*w w w .j  a  va  2s. co  m*/
    return false;
}

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From source file:org.apache.xmlgraphics.ps.PSGenerator.java

private void establishFallbackRGB(StringBuffer codeBuffer, Color color) {
    float[] comps;
    if (color.getColorSpace().isCS_sRGB()) {
        comps = color.getColorComponents(null);
    } else {/*from ww w  .ja v  a 2  s . c o  m*/
        if (log.isDebugEnabled()) {
            log.debug("Converting color to sRGB as a fallback: " + color);
        }
        ColorSpace sRGB = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        comps = color.getColorComponents(sRGB, null);
    }
    assert comps.length == 3;
    boolean gray = ColorUtil.isGray(color);
    if (gray) {
        comps = new float[] { comps[0] };
    }
    writeSetColor(codeBuffer, comps, gray ? "setgray" : "setrgbcolor");
}

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From source file:pl.edu.icm.visnow.geometries.viewer3d.Display3DPanel.java

public void setBackgroundGradient(Color c0, Color c1, Color c2) {
    bgColor = new Color3f(c0.getColorComponents(null));
    myFog.setColor(bgColor);//  w  ww .  j a va 2  s. c  o  m
    fireBgrColorChanged();
    int r0 = c0.getRed(), r1 = c1.getRed(), r2 = c2.getRed();
    int g0 = c0.getGreen(), g1 = c1.getGreen(), g2 = c2.getGreen();
    int b0 = c0.getBlue(), b1 = c1.getBlue(), b2 = c2.getBlue();
    int[] bgrData = new int[256 * 256];
    int k = 0;
    for (int i = 0; i < 128; i++) {
        float t = i / 127.f;
        int r = (int) (t * r1 + (1 - t) * r0);
        int g = (int) (t * g1 + (1 - t) * g0);
        int b = (int) (t * b1 + (1 - t) * b0);
        int c = ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff);
        for (int j = 0; j < 256; j++, k++) {
            bgrData[k] = c;
        }
    }
    for (int i = 0; i < 128; i++) {
        float t = i / 127.f;
        int r = (int) (t * r2 + (1 - t) * r1);
        int g = (int) (t * g2 + (1 - t) * g1);
        int b = (int) (t * b2 + (1 - t) * b1);
        int c = ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff);
        for (int j = 0; j < 256; j++, k++) {
            bgrData[k] = c;
        }
    }
    BufferedImage bgrImage = new BufferedImage(256, 256, BufferedImage.TYPE_INT_ARGB);
    bgrImage.setRGB(0, 0, 256, 256, bgrData, 0, 256);
    ImageComponent2D bgrImageComponent = new ImageComponent2D(ImageComponent2D.FORMAT_RGBA, bgrImage);
    bg.setImage(bgrImageComponent);
}

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From source file:umich.ms.batmass.gui.viewers.map2d.components.Map2DZoomLevel.java

/**
 * Returns a Jet colormap almost like the Jet map from MatLab.
 * to white.//from w  w  w . ja v  a 2 s  .  c  o  m
 * @param size the size of the color palette
 * @return the color palette
 */
public int[] getJetPalette(int size) {
    int[] cm = new int[size];

    List<Color> colorPivots = baseMap.getColorPalette();

    // High contrast
    //        colorPivots.add(Color.decode("#000000")); // black
    //        colorPivots.add(Color.decode("#00007F")); // dark blue
    //        colorPivots.add(Color.decode("#007FFF")); // azure
    //        colorPivots.add(Color.decode("#FFFF00")); // yellow
    //        colorPivots.add(Color.decode("#00FFFF")); // cyan
    //        colorPivots.add(Color.decode("#FF7F00")); // orange
    //        colorPivots.add(Color.decode("#0000FF")); // blue
    //        colorPivots.add(Color.decode("#FF0000")); // red
    //        colorPivots.add(Color.decode("#7FFF7F")); // light green
    //        colorPivots.add(Color.decode("#7F0000")); // dark red

    int transCount = colorPivots.size() - 1;
    int transSize = (int) Math.ceil((double) size / (double) transCount);
    int curTrans = 0;
    int curMapPoint = 0;
    Color c1, c2;
    int r1, r2, g1, g2, b1, b2;
    float[] comp1 = new float[3];
    float[] comp2 = new float[3];
    float[] comp3 = new float[3];
    float weight;

    for (int transNum = 0; transNum < transCount; transNum++) {
        int curTransSize = Math.min(transSize, size - curMapPoint);
        c1 = colorPivots.get(transNum);
        c2 = colorPivots.get(transNum + 1);
        c1.getColorComponents(comp1);
        c2.getColorComponents(comp2);
        for (int ptTransNum = 0; ptTransNum < curTransSize; ptTransNum++) {
            weight = ((float) ptTransNum) / curTransSize;
            for (int i = 0; i < comp1.length; i++) {
                comp3[i] = (1.0f - weight) * comp1[i] + weight * comp2[i];
            }
            Color c3 = new Color(comp3[0], comp3[1], comp3[2]);
            cm[curMapPoint] = c3.getRGB();
            curMapPoint++;
        }
    }

    return cm;
}

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