Example usage for java.awt Graphics setColor

Introduction

In this page you can find the example usage for java.awt Graphics setColor.

Prototype

public abstract void setColor(Color c);

Source Link

Document

Sets this graphics context's current color to the specified color.

Usage

From source file:com.oculusinfo.ml.spark.unsupervised.TestDPMeans.java

/**
 * @param args/*from   w w  w . j  ava 2s. co m*/
 */
public static void main(String[] args) {
    int k = 5;

    try {
        FileUtils.deleteDirectory(new File("output/clusters"));
        FileUtils.deleteDirectory(new File("output/centroids"));
    } catch (IOException e1) {
        /* ignore (*/ }

    genTestData(k);

    JavaSparkContext sc = new JavaSparkContext("local", "OculusML");
    SparkDataSet ds = new SparkDataSet(sc);
    ds.load("test.txt", new InstanceParser());

    DPMeansClusterer clusterer = new DPMeansClusterer(80, 10, 0.001);
    clusterer.setOutputPaths("output/centroids", "output/clusters");

    clusterer.registerFeatureType("point", MeanNumericVectorCentroid.class, new EuclideanDistance(1.0));

    clusterer.doCluster(ds);

    try {
        final List<double[]> instances = readInstances();

        final Color[] colors = { Color.red, Color.blue, Color.green, Color.magenta, Color.yellow, Color.black,
                Color.orange, Color.cyan, Color.darkGray, Color.white };

        TestDPMeans t = new TestDPMeans();
        t.add(new JComponent() {
            private static final long serialVersionUID = 7920802321066846416L;

            public void paintComponent(Graphics g) {
                Graphics2D g2 = (Graphics2D) g;
                g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

                for (double[] inst : instances) {
                    int color = (int) inst[0];
                    g.setColor(colors[color]);

                    Ellipse2D l = new Ellipse2D.Double(inst[1], inst[2], 5, 5);
                    g2.draw(l);
                }
            }
        });

        t.setDefaultCloseOperation(EXIT_ON_CLOSE);
        t.setSize(400, 400);
        t.setVisible(true);
    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

---

From source file:com.oculusinfo.ml.spark.unsupervised.TestThresholdClusterer.java

/**
 * @param args//from  w w w  .  jav  a 2s. co  m
 */
public static void main(String[] args) {
    int k = 5;

    try {
        FileUtils.deleteDirectory(new File("output/clusters"));
        FileUtils.deleteDirectory(new File("output/centroids"));
    } catch (IOException e1) {
        /* ignore (*/ }

    genTestData(k);

    JavaSparkContext sc = new JavaSparkContext("local", "OculusML");
    SparkDataSet ds = new SparkDataSet(sc);
    ds.load("test.txt", new InstanceParser());

    ThresholdClusterer clusterer = new ThresholdClusterer(80);
    clusterer.setOutputPaths("output/centroids", "output/clusters");

    clusterer.registerFeatureType("point", MeanNumericVectorCentroid.class, new EuclideanDistance(1.0));

    clusterer.doCluster(ds);

    try {
        final List<double[]> instances = readInstances();

        final Color[] colors = { Color.red, Color.blue, Color.green, Color.magenta, Color.yellow, Color.black,
                Color.orange, Color.cyan, Color.darkGray, Color.white };

        TestThresholdClusterer t = new TestThresholdClusterer();
        t.add(new JComponent() {
            private static final long serialVersionUID = -5597119848880912541L;

            public void paintComponent(Graphics g) {
                Graphics2D g2 = (Graphics2D) g;
                g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

                for (double[] inst : instances) {
                    int color = (int) inst[0];
                    g.setColor(colors[color]);

                    Ellipse2D l = new Ellipse2D.Double(inst[1], inst[2], 5, 5);
                    g2.draw(l);
                }
            }
        });

        t.setDefaultCloseOperation(EXIT_ON_CLOSE);
        t.setSize(400, 400);
        t.setVisible(true);
    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

---

From source file:com.oculusinfo.ml.spark.unsupervised.TestKMeans.java

/**
 * @param args/*from w  w w.j  a v  a2  s  .c om*/
 */
public static void main(String[] args) {
    int k = 5;

    try {
        FileUtils.deleteDirectory(new File("output/clusters"));
        FileUtils.deleteDirectory(new File("output/centroids"));
    } catch (IOException e1) {
        /* ignore (*/ }

    genTestData(k);

    JavaSparkContext sc = new JavaSparkContext("local", "OculusML");
    SparkDataSet ds = new SparkDataSet(sc);
    ds.load("test.txt", new SparkInstanceParser() {
        private static final long serialVersionUID = 1L;

        @Override
        public Tuple2<String, Instance> call(String line) throws Exception {
            Instance inst = new Instance();

            String tokens[] = line.split(",");

            NumericVectorFeature v = new NumericVectorFeature("point");

            double x = Double.parseDouble(tokens[0]);
            double y = Double.parseDouble(tokens[1]);
            v.setValue(new double[] { x, y });

            inst.addFeature(v);

            return new Tuple2<String, Instance>(inst.getId(), inst);
        }
    });

    KMeansClusterer clusterer = new KMeansClusterer(k, 10, 0.001, "output/centroids", "output/clusters");

    clusterer.registerFeatureType("point", MeanNumericVectorCentroid.class, new EuclideanDistance(1.0));

    clusterer.doCluster(ds);

    try {
        final List<double[]> instances = readInstances();

        final Color[] colors = { Color.red, Color.blue, Color.green, Color.magenta, Color.yellow, Color.black,
                Color.orange, Color.cyan, Color.darkGray, Color.white };

        TestKMeans t = new TestKMeans();
        t.add(new JComponent() {
            private static final long serialVersionUID = 2059497051387104848L;

            public void paintComponent(Graphics g) {
                Graphics2D g2 = (Graphics2D) g;
                g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

                for (double[] inst : instances) {
                    int color = (int) inst[0];
                    g.setColor(colors[color]);

                    Ellipse2D l = new Ellipse2D.Double(inst[1], inst[2], 5, 5);
                    g2.draw(l);
                }
            }
        });

        t.setDefaultCloseOperation(EXIT_ON_CLOSE);
        t.setSize(400, 400);
        t.setVisible(true);
    } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

---

From source file:Main.java

public static void main(String[] args) {
    String s = "The quick brown fox jumps over the lazy dog!";
    BufferedImage bi = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
    Graphics g = bi.getGraphics();
    FontMetrics fm = g.getFontMetrics();
    Rectangle2D b = fm.getStringBounds(s, g);
    System.out.println(b);//from w ww .j a v  a  2 s . co m
    bi = new BufferedImage((int) b.getWidth(), (int) (b.getHeight() + fm.getDescent()),
            BufferedImage.TYPE_INT_RGB);
    g = bi.getGraphics();
    g.drawString(s, 0, (int) b.getHeight());

    JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(bi)));

    // Technique 3 - JLabel
    JLabel l = new JLabel(s);
    l.setSize(l.getPreferredSize());
    bi = new BufferedImage(l.getWidth(), l.getHeight(), BufferedImage.TYPE_INT_RGB);
    g = bi.getGraphics();
    g.setColor(Color.WHITE);
    g.fillRect(0, 0, 400, 100);
    l.paint(g);

    JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(bi)));
}

---

From source file:Main.java

/**
 * Gets a "spacer" pixel for use./*from  w  w w  . j  a  v  a  2  s .  co m*/
 * @return
 */
public static BufferedImage create1x1Pixel() {
    BufferedImage b = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
    Graphics g = b.getGraphics();
    g.setColor(Color.white);
    g.fillRect(0, 0, 2, 2);
    g.dispose();
    return b;
}

---

From source file:Main.java

public static ImageIcon createImage() {
    BufferedImage image = new BufferedImage(28, 28, BufferedImage.TYPE_INT_ARGB);
    Graphics g = image.getGraphics();
    g.setColor(Color.RED);
    g.fillRect(0, 0, 32, 32);/*from w  ww  . j av  a 2 s  .  c o  m*/
    g.dispose();
    return new ImageIcon(image);
}

---

From source file:Main.java

public static void drawBorder(Graphics g, Color c, int x, int y, int w, int h) {
    g.setColor(c);
    g.drawRect(x, y, w - 1, h - 1);/*from w  ww .  j av  a 2 s  .  c  o m*/
}

---

From source file:Main.java

public static void setLabelCenter(JLabel label, String str, int width, int height) {
    Graphics g = label.getGraphics();
    Color c = g.getColor();//  w ww .jav  a  2  s.co m
    g.setColor(Color.BLUE);
    label.setText(str);
    int strWidth = SwingUtilities.computeStringWidth(g.getFontMetrics(), str);
    int lX = width / 2 - strWidth;
    int lY = g.getFont().getSize() / 2;
    //System.out.printf("\"label\"+%s X:%d,Y:%d\n",str,lX,lY);
    label.setBounds(lX, lY, strWidth, g.getFont().getSize());
    g.setColor(c);
}

---

From source file:Main.java

private static ByteBuffer convertImageData(BufferedImage bufferedImage) {
    ByteBuffer imageBuffer;/*from   w  w  w.ja v a2 s  .  c  o  m*/
    WritableRaster raster;
    BufferedImage texImage;

    // for a texture
    if (bufferedImage.getColorModel().hasAlpha()) {
        raster = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, bufferedImage.getWidth(),
                bufferedImage.getHeight(), 4, null);
        texImage = new BufferedImage(glAlphaColorModel, raster, false, new Hashtable<Object, Object>());
    } else {
        raster = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, bufferedImage.getWidth(),
                bufferedImage.getHeight(), 3, null);
        texImage = new BufferedImage(glColorModel, raster, false, new Hashtable<Object, Object>());
    }

    // copy the source image into the produced image
    Graphics g = texImage.getGraphics();
    g.setColor(new Color(0f, 0f, 0f, 0f));
    g.fillRect(0, 0, bufferedImage.getWidth(), bufferedImage.getHeight());
    g.drawImage(bufferedImage, 0, 0, null);

    // build a byte buffer from the temporary image
    // that be used by OpenGL to produce a texture.
    byte[] data = ((DataBufferByte) bufferedImage.getRaster().getDataBuffer()).getData();

    imageBuffer = ByteBuffer.allocateDirect(data.length);
    imageBuffer.order(ByteOrder.nativeOrder());
    imageBuffer.put(data, 0, data.length);
    imageBuffer.flip();

    return imageBuffer;
}

---

From source file:WaterMark.java

public static String execute(String src, String dest, String text, Color color, Font font) throws Exception {
    BufferedImage srcImage = ImageIO.read(new File(src));

    int width = srcImage.getWidth(null);
    int height = srcImage.getHeight(null);
    BufferedImage destImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics g = destImage.getGraphics();

    g.drawImage(srcImage, 0, 0, width, height, null);
    g.setColor(color);
    g.setFont(font);//w w  w.  j  ava2 s . c  o m
    g.fillRect(0, 0, 50, 50);
    g.drawString(text, width / 5, height - 10);
    g.dispose();

    ImageIO.write(destImage, DEFAULT_FORMAT, new File("dest.jpg"));
    return dest;
}

---

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