Example usage for java.awt Color getRed

List of usage examples for java.awt Color getRed

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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.pentaho.reporting.engine.classic.core.modules.output.table.xls.helper.StaticExcelColorSupport.java

public static short getNearestColor(final Color awtColor, final Map triplets) {
    if (awtColor == null) {
        throw new NullPointerException();
    }/*from   w  w  w  .ja  va 2s.c om*/

    if (triplets == null || triplets.isEmpty()) {
        logger.warn("Unable to get triplet hashtable");
        return HSSFColor.BLACK.index;
    }

    short color = HSSFColor.BLACK.index;
    double minDiff = Double.MAX_VALUE;

    // get the color without the alpha chanel
    final float[] hsb = Color.RGBtoHSB(awtColor.getRed(), awtColor.getGreen(), awtColor.getBlue(), null);

    float[] excelHsb = null;
    final Iterator elements = triplets.values().iterator();
    while (elements.hasNext()) {
        final HSSFColor crtColor = (HSSFColor) elements.next();
        final short[] rgb = crtColor.getTriplet();
        excelHsb = Color.RGBtoHSB(rgb[0], rgb[1], rgb[2], excelHsb);

        final double weight = 3.0
                * (Math.min(Math.abs(excelHsb[0] - hsb[0]), Math.abs(excelHsb[0] - hsb[0] + 1)))
                + Math.abs(excelHsb[1] - hsb[1]) + Math.abs(excelHsb[2] - hsb[2]);

        if (weight < minDiff) {
            minDiff = weight;
            if (minDiff == 0) {
                // we found the color ...
                return crtColor.getIndex();
            }
            color = crtColor.getIndex();
        }
    }
    return color;
}

From source file:org.apache.fop.render.rtf.TextAttributesConverter.java

private static void attrFontColor(Color colorType, RtfAttributes rtfAttr) {
    // Cell background color
    if (colorType != null) {
        if (colorType.getAlpha() != 0 || colorType.getRed() != 0 || colorType.getGreen() != 0
                || colorType.getBlue() != 0) {
            rtfAttr.set(RtfText.ATTR_FONT_COLOR, convertFOPColorToRTF(colorType));
        }/*from   www . j av a  2  s .co  m*/
    }
}

From source file:org.jtrfp.trcl.core.Texture.java

private static VectorList colorVL(Color c) {
    final double[] color = new double[] { c.getRed() / 255., c.getGreen() / 255., c.getBlue() / 255.,
            c.getAlpha() / 255. };//from   w ww  .j a  v a 2s.  co  m

    return new VectorList() {
        @Override
        public int getNumVectors() {
            return 1;
        }

        @Override
        public int getNumComponentsPerVector() {
            return 4;
        }

        @Override
        public double componentAt(int vectorIndex, int componentIndex) {
            return color[componentIndex];
        }

        @Override
        public void setComponentAt(int vectorIndex, int componentIndex, double value) {
            throw new RuntimeException(
                    "Static palette created by Texture(Color c, TR tr) cannot be written to.");
        }
    };
}

From source file:org.nuclos.client.common.Utils.java

public static Color getBestForegroundColor(Color background) {
    int backgroundBrightness = (background.getBlue() + background.getRed() * 2 + background.getGreen() * 3) / 6;
    return backgroundBrightness > 160 ? Color.BLACK : Color.WHITE;
}

From source file:com.netsteadfast.greenstep.util.SimpleUtils.java

public static int[] getColorRGB2(String color) throws Exception {
    if (StringUtils.isEmpty(color) || color.length() != 7) {
        return new int[] { 0, 0, 0 };
    }/*  ww w  .  j  av a2s.  com*/
    Color c = Color.decode(color);
    return new int[] { c.getRed(), c.getGreen(), c.getBlue() };
}

From source file:org.fhcrc.cpl.toolbox.gui.chart.PanelWithHeatMap.java

protected static void addValuesToPaintScale(LookupPaintScale paintScale, double lowerBound, double upperBound,
        Color lowColor, Color highColor) {
    int distinctValues = DISTINCT_PALETTE_VALUES;

    if (upperBound <= lowerBound)
        upperBound = lowerBound + .0001;
    double increment = (upperBound - lowerBound) / distinctValues;

    int redDiff = highColor.getRed() - lowColor.getRed();
    int greenDiff = highColor.getGreen() - lowColor.getGreen();
    int blueDiff = highColor.getBlue() - lowColor.getBlue();
    double redIncrement = (redDiff / distinctValues);
    double greenIncrement = (greenDiff / distinctValues);
    double blueIncrement = (blueDiff / distinctValues);

    _log.debug("Palette: ");

    for (int i = 0; i < distinctValues; i++) {
        int r = (int) (lowColor.getRed() + (i * redIncrement));
        int g = (int) (lowColor.getGreen() + (i * greenIncrement));
        int b = (int) (lowColor.getBlue() + (i * blueIncrement));
        Color incrementColor = new Color(r, g, b);
        double incrementStart = lowerBound + (i * increment);
        paintScale.add(incrementStart, incrementColor);
        _log.debug("\t" + incrementStart + "-" + (incrementStart + increment) + ": " + incrementColor);
    }/*w ww  . j  a va 2  s. co  m*/
}

From source file:org.polymap.rhei.batik.engine.svg.Svg2Png.java

private static float[] replaceColors(ImageConfiguration imageConfiguration, Color color,
        final float[] currentHsb) {
    float[] hsb;//from   w w w.j  a  v a 2s.c o m
    Optional<ReplaceConfiguration> config = imageConfiguration.getReplaceConfigurations().stream()
            .filter(rc -> rc.getFrom() != null && rc.getTo() != null && rc.getFrom().red == color.getRed()
                    && rc.getFrom().green == color.getGreen() && rc.getFrom().blue == color.getBlue())
            .findFirst();
    if (config.isPresent()) {
        hsb = config.get().getTo().getHSB();
        hsb[0] = degreeToPercent(hsb[0]);
    } else {
        hsb = currentHsb;
    }
    return hsb;
}

From source file:org.nuclos.client.common.Utils.java

public static String colorToHexString(Color c) {
    char[] buf = new char[7];
    buf[0] = '#';
    String s = Integer.toHexString(c.getRed());
    if (s.length() == 1) {
        buf[1] = '0';
        buf[2] = s.charAt(0);//from   w w  w  .  j  a v  a  2s .c om
    } else {
        buf[1] = s.charAt(0);
        buf[2] = s.charAt(1);
    }
    s = Integer.toHexString(c.getGreen());
    if (s.length() == 1) {
        buf[3] = '0';
        buf[4] = s.charAt(0);
    } else {
        buf[3] = s.charAt(0);
        buf[4] = s.charAt(1);
    }
    s = Integer.toHexString(c.getBlue());
    if (s.length() == 1) {
        buf[5] = '0';
        buf[6] = s.charAt(0);
    } else {
        buf[5] = s.charAt(0);
        buf[6] = s.charAt(1);
    }
    return String.valueOf(buf);
}

From source file:com.t_oster.visicut.misc.Helper.java

public static String toHtmlRGB(Color col) {
    String r = Integer.toHexString(col.getRed());
    String g = Integer.toHexString(col.getGreen());
    String b = Integer.toHexString(col.getBlue());
    return "#" + (r.length() == 1 ? "0" + r : r) + (g.length() == 1 ? "0" + g : g)
            + (b.length() == 1 ? "0" + b : b);
}

From source file:org.opensha.commons.geo.RegionUtils.java

private static String colorToHex(Color c) {
    StringBuffer sb = new StringBuffer();
    sb.append(toHex(c.getAlpha()));// ww  w .  j  av  a2s  .c om
    sb.append(toHex(c.getBlue()));
    sb.append(toHex(c.getGreen()));
    sb.append(toHex(c.getRed()));
    return sb.toString();
}