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:org.polymap.core.data.image.ImageTransparencyProcessor.java

public static BufferedImage transparency(Image image, final Color markerColor) throws IOException {
    long start = System.currentTimeMillis();

    RGBImageFilter filter = new RGBImageFilter() {
        // the color we are looking for... Alpha bits are set to opaque
        public int markerRGB = markerColor.getRGB() | 0xFF000000;

        byte threshold = 25;

        double range = ((double) 0xFF) / (3 * threshold);

        public final int filterRGB(int x, int y, int rgb) {
            Color probe = new Color(rgb);
            //log.info( "probe=" + probe + ", marker=" + markerColor );

            // delta values
            int dRed = markerColor.getRed() - probe.getRed();
            int dGreen = markerColor.getGreen() - probe.getGreen();
            int dBlue = markerColor.getBlue() - probe.getBlue();
            //log.info( "    dRed=" + dRed + ", dGreen=" + dGreen );

            if (dRed >= 0 && dRed < threshold && dGreen >= 0 && dGreen < threshold && dBlue >= 0
                    && dBlue < threshold) {
                int alpha = (int) Math.round(range * (dRed + dGreen + dBlue));
                //log.info( "    -> alpha=" + alpha );

                return ((alpha << 24) | 0x00FFFFFF) & rgb;
            } else {
                // nothing to do
                return rgb;
            }/* w  w  w . j a  va  2 s  .  c om*/
        }
    };

    //        BufferedImage bimage = null;
    //        if (image instanceof BufferedImage) {
    //            bimage = (BufferedImage)image;
    //        }
    //        else {
    //            bimage = new BufferedImage(
    //                    image.getHeight( null ), image.getWidth( null ), BufferedImage.TYPE_INT_ARGB );
    //            Graphics g = bimage.getGraphics();
    //            g.drawImage( image, 0, 0, null );
    //            g.dispose();
    //        }

    ImageProducer ip = new FilteredImageSource(image.getSource(), filter);
    Image result = Toolkit.getDefaultToolkit().createImage(ip);

    BufferedImage bresult = new BufferedImage(image.getHeight(null), image.getWidth(null),
            BufferedImage.TYPE_INT_ARGB);
    Graphics g = bresult.getGraphics();
    g.drawImage(result, 0, 0, null);
    g.dispose();

    //        // XXX this can surely be done any more clever
    //        int width = bimage.getWidth();
    //        int height = bimage.getHeight();
    //        for (int x=bimage.getMinX(); x<width; x++) {
    //            for (int y=bimage.getMinY(); y<height; y++) {
    //                int filtered = filter.filterRGB( x, y, bimage.getRGB( x, y ) );
    //                result.setRGB( x, y, filtered );
    //            }
    //        }

    log.debug("Transparency done. (" + (System.currentTimeMillis() - start) + "ms)");
    return bresult;
}

---

From source file:com.rapidminer.gui.new_plotter.engine.jfreechart.ChartRendererFactory.java

private static void configureXYDifferenceRenderer(FormattedXYDifferenceRenderer renderer,
        ValueSource valueSource, PlotConfiguration plotConfiguration) {
    renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
    SeriesFormat seriesFormat = valueSource.getSeriesFormat();
    DimensionConfig domainConfig = valueSource.getDomainConfig();
    DimensionConfig colorDimensionConfig = plotConfiguration.getDimensionConfig(PlotDimension.COLOR);
    DimensionConfig shapeDimensionConfig = plotConfiguration.getDimensionConfig(PlotDimension.SHAPE);

    int seriesCount = 1;// valueSource.getSeriesDataForAllGroupCells().groupCellCount();

    // Loop all series and set series format.
    // Format based on dimension configs will be set later on in initFormatDelegate().
    for (int seriesIdx = 0; seriesIdx < seriesCount; ++seriesIdx) {
        // configure linestyle
        if (seriesFormat.getLineStyle() == LineStyle.NONE) {
        } else {//from w  w  w.java2s .  com
            renderer.setSeriesStroke(seriesIdx, seriesFormat.getStroke(), false);
        }

        // configure series shape if necessary
        if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, shapeDimensionConfig)) {
            if (seriesFormat.getItemShape() != ItemShape.NONE) {
                renderer.setSeriesShape(seriesIdx, seriesFormat.getItemShape().getShape());
            } else {
            }
        }

        // configure series color if necessary
        if (!SeriesFormat.calculateIndividualFormatForEachItem(domainConfig, colorDimensionConfig)) {
            Color itemColor = seriesFormat.getItemColor();
            Color halfTransparentPaint = DataStructureUtils.setColorAlpha(itemColor, itemColor.getAlpha() / 2);

            renderer.setSeriesPaint(0, halfTransparentPaint);
            renderer.setSeriesFillPaint(0, halfTransparentPaint);
            renderer.setPositivePaint(halfTransparentPaint);
            renderer.setNegativePaint(new Color(255 - itemColor.getRed(), 255 - itemColor.getGreen(),
                    255 - itemColor.getBlue(), itemColor.getAlpha() / 2));
        }
        renderer.setSeriesOutlinePaint(seriesIdx, PlotConfiguration.DEFAULT_SERIES_OUTLINE_PAINT);
    }
}

---

From source file:nl.softwaredesign.exporter.ODTExportFormat.java

/**
 * @param toConvert color to convert//from  w  w  w .j  a  v a  2s.c o m
 * @return the six character hex string (rrggbb) for the color
 */
private static String rgbHexValue(Color toConvert) {
    StringBuilder result = new StringBuilder();

    result.append(Integer.toHexString(toConvert.getRed()));
    if (result.length() < 2) {
        result.insert(0, '0');
    }

    result.append(Integer.toHexString(toConvert.getGreen()));
    if (result.length() < 4) {
        result.insert(2, '0');
    }

    result.append(Integer.toHexString(toConvert.getBlue()));
    if (result.length() < 6) {
        result.insert(4, '0');
    }

    return result.toString();
}

---

From source file:util.ui.UiUtilities.java

/**
 * returns a color code as used in HTML, e.g. #FF0000 for pure red
 * @param color//from  www .java 2  s  . co m
 * @return HTML color code
 */
public static String getHTMLColorCode(Color color) {
    return '#' + StringUtils.leftPad(Integer.toString(color.getRed(), 16), 2, '0')
            + StringUtils.leftPad(Integer.toString(color.getGreen(), 16), 2, '0')
            + StringUtils.leftPad(Integer.toString(color.getBlue(), 16), 2, '0');
}

---

From source file:util.ui.UiUtilities.java

/**
 * Creates a text area that holds a help text.
 *
 * @param msg//w ww  .ja v a 2  s .  com
 *          The help text.
 * @return A text area containing the help text.
 */
public static JTextArea createHelpTextArea(String msg) {
    JTextArea descTA = new JTextArea(msg);
    descTA.setBorder(BorderFactory.createEmptyBorder());
    descTA.setFont(new JLabel().getFont());
    descTA.setEditable(false);
    descTA.setOpaque(false);
    descTA.setWrapStyleWord(true);
    descTA.setLineWrap(true);
    descTA.setFocusable(false);

    Color bg = new JPanel().getBackground();

    descTA.setBackground(new Color(bg.getRed(), bg.getGreen(), bg.getBlue()));

    return descTA;
}

---

From source file:Main.java

public TranslucentJPanel(Color bgColor) {
    this.red = bgColor.getRed();
    this.green = bgColor.getGreen();
    this.blue = bgColor.getBlue();
}

---

From source file:org.apache.fop.util.ColorUtil.java

private static String toCIELabFunctionCall(ColorWithAlternatives color) {
    Color fallbackColor = getsRGBFallback(color);
    StringBuffer sb = new StringBuffer("cie-lab-color(");
    sb.append(fallbackColor.getRed()).append(',');
    sb.append(fallbackColor.getGreen()).append(',');
    sb.append(fallbackColor.getBlue());//from ww  w .j av  a  2  s  .c  o  m
    CIELabColorSpace cs = (CIELabColorSpace) color.getColorSpace();
    float[] lab = cs.toNativeComponents(color.getColorComponents(null));
    for (int i = 0; i < 3; i++) {
        sb.append(',').append(lab[i]);
    }
    sb.append(')');
    return sb.toString();
}

---

From source file:com.github.nbyl.xfdcontrol.plugins.notification.blink1.Blink1ToolCommand.java

@VisibleForTesting
String mapColorToRgbArgument(Color color) {
    return color.getRed() + "," + color.getGreen() + "," + color.getBlue();
}

---

From source file:Main.java

@Override
protected void paintComponent(Graphics g) {
    super.paintComponent(g);
    Color color = getBackground();
    String text = color.getRed() + "x" + color.getGreen() + "x" + color.getBlue();

    g.drawString(text, 20, 30);// w ww . jav a 2s .  c o m
}

---

From source file:org.apache.fop.util.ColorUtil.java

private static String toRGBFunctionCall(Color color) {
    StringBuffer sbuf = new StringBuffer();
    sbuf.append('#');
    String s = Integer.toHexString(color.getRed());
    if (s.length() == 1) {
        sbuf.append('0');
    }/*w w w.  ja  v  a2  s  .c o  m*/
    sbuf.append(s);
    s = Integer.toHexString(color.getGreen());
    if (s.length() == 1) {
        sbuf.append('0');
    }
    sbuf.append(s);
    s = Integer.toHexString(color.getBlue());
    if (s.length() == 1) {
        sbuf.append('0');
    }
    sbuf.append(s);
    if (color.getAlpha() != 255) {
        s = Integer.toHexString(color.getAlpha());
        if (s.length() == 1) {
            sbuf.append('0');
        }
        sbuf.append(s);
    }
    return sbuf.toString();
}

---

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