Example usage for java.awt Color getBlue

Introduction

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

Prototype

public int getBlue() 

Source Link

Document

Returns the blue component in the range 0-255 in the default sRGB space.

Usage

From source file:ColorUtils.java

/**
 * Serializes a color to its HTML markup (e.g. "#ff0000" for red)
 * /*from   ww  w.  j a  v a  2 s .co m*/
 * @param c The color to serialize
 * @return The HTML markup of the color
 */
public static String toHTML(Color c) {
    String ret = "#";
    String hex;
    hex = Integer.toHexString(c.getRed());
    if (hex.length() < 2)
        hex = "0" + hex;
    ret += hex;
    hex = Integer.toHexString(c.getGreen());
    if (hex.length() < 2)
        hex = "0" + hex;
    ret += hex;
    hex = Integer.toHexString(c.getBlue());
    if (hex.length() < 2)
        hex = "0" + hex;
    ret += hex;
    return ret;
}

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From source file:org.asqatasun.rules.elementchecker.contrast.helper.ContrastHelper.java

/**
 *
 * @param color//from w w w  . j a v a2s .co m
 * @return
 */
public static double getLuminosity(Color color) {
    double luminosity = getComposantValue(color.getRed()) * RED_FACTOR
            + getComposantValue(color.getGreen()) * GREEN_FACTOR
            + getComposantValue(color.getBlue()) * BLUE_FACTOR;

    return luminosity;
}

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From source file:ml.hsv.java

public static hsv[][] img2RGB2HSV(File input) throws IOException {
    BufferedImage image;//  www . j a va2s. c om
    int width, height;

    // File input = new File(ip);
    image = ImageIO.read(input);
    width = image.getWidth();
    height = image.getHeight();

    hsv hsvImage[][] = new hsv[height][width];

    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            Color c = new Color(image.getRGB(j, i));
            hsvImage[i][j] = new hsv(c.getRed(), c.getGreen(), c.getBlue());
        }
    }
    // HSV2File(hsvImage,width,height); debugging code removed      
    return hsvImage;
}

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From source file:ImageProcessing.ImageProcessing.java

public static double[] extractGrayColor(BufferedImage source) {
    //Extracts the gray value from the pixels at the source by 
    //calculating the average of the RGB value at the given pixel.
    int imageWidth = source.getWidth();
    int imageHeight = source.getHeight();
    double[] values = new double[imageWidth * imageHeight];

    for (int i = 0; i < imageHeight; i++) {
        for (int j = 0; j < imageWidth; j++) {
            int rgbValue = source.getRGB(j, i);
            Color currentPixel = new Color(rgbValue, true);
            int value = (currentPixel.getRed() + currentPixel.getGreen() + currentPixel.getBlue()) / 3;
            values[(i * imageWidth) + j] = value;
        }/*w  w  w . j  a va  2s .c  om*/
    }

    return values;
}

---

From source file:ml.hsv.java

public static hsv[][] img2RGB2HSV(String ip) throws IOException {
    BufferedImage image;//from   w  w w .  j a  va 2s  .co m
    int width, height;

    File input = new File(ip);
    image = ImageIO.read(input);
    width = image.getWidth();
    height = image.getHeight();

    hsv hsvImage[][] = new hsv[height][width];

    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            Color c = new Color(image.getRGB(j, i));
            hsvImage[i][j] = new hsv(c.getRed(), c.getGreen(), c.getBlue());
        }
    }

    HSV2File(hsvImage, width, height);

    return hsvImage;
}

---

From source file:Util.java

/**
 * Return a string representation of a color
 * //  www  .j a v  a  2 s .c o  m
 * @param color
 * @return string representation
 */
public static String colorToString(Color color) {
    if (color == null) {
        return "";
    }

    StringBuffer buf = new StringBuffer();
    buf.append('#');
    buf.append(numberToPaddedHexString(color.getRed(), 2));
    buf.append(numberToPaddedHexString(color.getGreen(), 2));
    buf.append(numberToPaddedHexString(color.getBlue(), 2));

    return buf.toString();
}

---

From source file:com.igormaznitsa.jhexed.swing.editor.ui.Utils.java

public static Color getListBackground(final boolean selected) {
    if (selected) {
        if (isUnderNimbusLookAndFeel()) {
            return UIManager.getColor("List[Selected].textBackground"); // Nimbus
        }/*from   w w  w .ja va  2s.com*/
        return UIManager.getColor("List.selectionBackground");
    } else {
        if (isUnderNimbusLookAndFeel()) {
            final Color color = UIManager.getColor("List.background");
            //noinspection UseJBColor
            return new Color(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha());
        }
        // Under GTK+ L&F "Table.background" often has main panel color, which looks ugly
        return isUnderGTKLookAndFeel() ? getTreeTextBackground() : UIManager.getColor("List.background");
    }
}

---

From source file:OAT.ui.util.UiUtil.java

/**
 * Returns the RGB components (rrr, ggg, bbb) in the range of 0-255.
 *
 * @param color/*from w ww.  j  av  a 2  s .  co m*/
 * @return
 */
public static String getColorRGB(Color color) {
    return color.getRed() + "," + color.getGreen() + "," + color.getBlue();
}

---

From source file:org.nuxeo.theme.presets.PhotoshopPaletteParser.java

public static Map<String, String> parse(byte[] bytes) {
    Map<String, String> entries = new LinkedHashMap<String, String>();
    ByteArrayInputStream is = new ByteArrayInputStream(bytes);
    DataInputStream dis = new DataInputStream(is);

    char[] words = new char[bytes.length];
    int size = 0;
    while (true) {
        try {//from w  w w. j a v a 2s. c  o  m
            words[size] = dis.readChar();
            size++;
        } catch (Exception e) {
            break;
        }
    }

    try {
        is.close();
        dis.close();
    } catch (IOException e) {
        log.error(e, e);
    }

    int offset = 1;
    int version = words[0] & 0xffff;
    int nc = words[1] & 0xffff;

    // get version 2 if it exists
    if (version == 1 && size > nc * 5 + 2) {
        offset += nc * 5 + 2;
        version = words[offset - 1] & 0xffff;
        nc = words[offset] & 0xffff;
    }

    if (version == 1) {
        log.debug("Found ACO v1 color file (Photoshop < 7.0)");
    } else if (version == 2) {
        log.debug("Found ACO v2 color file (Photoshop >= 7.0)");
    } else {
        log.error("Unknown ACO file version: " + version);
        return entries;
    }

    log.debug("Found " + nc + " colors.");

    int counter = 1;
    for (int j = 0; j < nc; j++) {
        String value = null;
        int colorSpace = words[offset + 1] & 0xff;
        int w = words[offset + 2] & 0xffff;
        int x = words[offset + 3] & 0xffff;
        int y = words[offset + 4] & 0xffff;
        int z = words[offset + 5] & 0xffff;

        if (colorSpace == RGB) {
            value = rgbToHex(w / 256, x / 256, y / 256);

        } else if (colorSpace == HSB) {
            float hue = w / 65535F; // [0.0-1.0]
            float saturation = x / 65535F; // [0.0-1.0]
            float brightness = y / 65535F; // [0.0-1.0]
            Color color = Color.getHSBColor(hue, saturation, brightness);
            value = rgbToHex(color.getRed(), color.getGreen(), color.getBlue());

        } else if (colorSpace == CMYK) {
            float cyan = 1F - w / 65535F; // [0.0-1.0]
            float magenta = 1F - x / 65535F; // [0.0-1.0]
            float yellow = 1F - y / 65535F; // [0.0-1.0]
            float black = 1F - z / 65535F; // [0.0-1.0]
            // TODO: do the conversion to RGB. An ICC profile is required.
            log.warn("Unsupported color space: CMYK");

        } else if (colorSpace == GRAYSCALE) {
            int gray = (int) (w * 256F / 10000F); // [0-256]
            value = rgbToHex(gray, gray, gray);

        } else if (colorSpace == LAB) {
            float l = w / 100F;
            float a = x / 100F;
            float b = y / 100F;
            // TODO: do the conversion to RGB. An ICC profile is required.
            log.warn("Unsupported color space: CIE Lab");

        } else if (colorSpace == WIDE_CMYK) {
            float cyan = w / 10000F; // [0.0-1.0]
            float magenta = x / 10000F; // [0.0-1.0]
            float yellow = y / 10000F; // [0.0-1.0]
            float black = z / 10000F; // [0.0-1.0]
            // TODO: do the conversion to RGB. An ICC profile is required.
            log.warn("Unsupported color space: Wide CMYK");

        } else {
            log.warn("Unknown color space: " + colorSpace);
        }

        String name = "";
        if (version == 1) {
            name = String.format("Color %s", counter);
        }

        else if (version == 2) {
            int len = (words[offset + 7] & 0xffff) - 1;
            name = String.copyValueOf(words, offset + 8, len);
            offset += len + 3;

            String n = name;
            int c = 2;
            while (entries.containsKey(n)) {
                n = String.format("%s %s", name, c);
                c++;
            }
            name = n;
        }

        if (value != null) {
            entries.put(name, value);
        }

        offset += 5;
        counter++;
    }

    return entries;
}

---

From source file:net.tbnr.gearz.game.kits.GearzKitItem.java

static GearzKitItem fromJsonObject(JSONObject object) throws GearzKitReadException {
    String materialName;/*from w w  w.ja v a2s  .com*/
    Integer quantity = 1;
    try {
        materialName = object.getString("item_type");
    } catch (JSONException ex) {
        throw GearzKit.exceptionFromJSON("Could not read class", ex);
    }
    try {
        quantity = object.getInt("quantity");
    } catch (JSONException ignored) {
    }
    Material material = Material.getMaterial(materialName);
    if (material == null) {
        throw new GearzKitReadException("Invalid Material Specified: " + materialName);
    }
    JSONArray enchants = null;
    Short data = null;
    try {
        if (object.has("enchants")) {
            enchants = object.getJSONArray("enchants");
        }
        if (object.has("data")) {
            data = (short) object.getInt("data");
        }
    } catch (JSONException ignored) {
    }
    HashMap<Enchantment, Integer> enchantmentMap = null;
    if (enchants != null) {
        enchantmentMap = new HashMap<>();
        for (int x = 0; x < enchants.length(); x++) {
            try {
                JSONObject enchantObject = enchants.getJSONObject(x);
                String enchant_name = enchantObject.getString("name");
                int level = enchantObject.getInt("level");
                Enchantment e = Enchantment.getByName(enchant_name);
                if (e == null || level < 1) {
                    throw new GearzKitReadException(
                            "Invalid Enchantment " + x + " " + enchant_name + " " + level);
                }
                enchantmentMap.put(e, level);
                Gearz.getInstance().debug("Added enchant " + x + " " + e.getName() + ":" + level);
            } catch (JSONException e) {
                throw GearzKit.exceptionFromJSON("Could not read enchantment " + x, e);
            }
        }
    }
    GearzItemMeta itemMeta = new GearzItemMeta();
    try {
        if (object.has("title")) {
            itemMeta.setTitle(object.getString("title"));
        }
        if (object.has("lore")) {
            JSONArray loreJSON = object.getJSONArray("lore");
            List<String> lore = new ArrayList<>();
            for (int y = 0; y < loreJSON.length(); y++) {
                lore.add(loreJSON.getString(y));
            }
            itemMeta.setLore(lore);
        }
        if (object.has("owner")) {
            itemMeta.setOwner(object.getString("owner"));
        }
        if (object.has("color")) {
            Color decode = Color.decode(object.getString("color"));
            org.bukkit.Color color = org.bukkit.Color.fromRGB(decode.getRed(), decode.getGreen(),
                    decode.getBlue());
            itemMeta.setColor(color);
        }
    } catch (JSONException ex) {
        throw GearzKit.exceptionFromJSON("Could not read meta", ex);
    }
    GearzKitItem gearzKitItem = new GearzKitItem(material, quantity, itemMeta);
    if (enchantmentMap != null) {
        gearzKitItem.setEnchantments(enchantmentMap);
    }
    if (data != null) {
        gearzKitItem.setData(data);
    }
    return gearzKitItem;
}

---

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