Example usage for java.awt.image BufferedImage getWidth

List of usage examples for java.awt.image BufferedImage getWidth

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  6. getWidth

Introduction

In this page you can find the example usage for java.awt.image BufferedImage getWidth.

Prototype

public int getWidth()

Source Link

Document

Returns the width of the BufferedImage .

Usage

From source file:Main.java

public static void main(String[] args) throws IOException {
    InputStream stream = Main.class.getResourceAsStream("test.png");
    BufferedImage image = ImageIO.read(stream);
    int iw = image.getWidth();
    int ih = image.getHeight();
    stream.close();//from  w w  w  .  ja  v a2  s. c o  m

    for (int y = 0; y < ih; y++) {
        for (int x = 0; x < iw; x++) {
            int pixel = image.getRGB(x, y);
            int alpha = (pixel >> 24) & 0xFF;
            int red = (pixel >> 16) & 0xFF;
            int green = (pixel >> 8) & 0xFF;
            int blue = pixel & 0xFF;
        }
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com/style/download.png");
    final BufferedImage bi = ImageIO.read(url);
    final String size = bi.getWidth() + "x" + bi.getHeight();
    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
            JLabel l = new JLabel(size, new ImageIcon(bi), SwingConstants.RIGHT);
            JOptionPane.showMessageDialog(null, l);
        }/* w  w w .  j  av  a2 s.c om*/
    });
}

From source file:Main.java

public static void main(final String args[]) throws Exception {
    URL url = new URL("http://www.java2s.com/style/download.png");
    BufferedImage image = ImageIO.read(url);

    for (int x = 0; x < image.getWidth(); x++) {
        for (int y = 0; y < image.getHeight(); y++) {
            int clr = image.getRGB(x, y);
            int red = (clr & 0x00ff0000) >> 16;
            int green = (clr & 0x0000ff00) >> 8;
            int blue = clr & 0x000000ff;

            System.out.println("Red Color value = " + red);
            System.out.println("Green Color value = " + green);
            System.out.println("Blue Color value = " + blue);
        }//from  w ww  .  j  ava 2 s  .c  o m
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com/style/download.png");
    BufferedImage image = ImageIO.read(url);

    int w = image.getWidth();
    int h = image.getHeight();
    Ellipse2D.Double ellipse1 = new Ellipse2D.Double(10, 10, 20, 30);
    Ellipse2D.Double ellipse2 = new Ellipse2D.Double(15, 15, 20, 30);
    Area circle = new Area(ellipse1);
    circle.subtract(new Area(ellipse2));

    BufferedImage result = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = result.createGraphics();
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
    g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    g.setClip(circle);//from w  ww  . ja va  2  s .  c  o m
    g.drawImage(image, 0, 0, null);
    g.dispose();

    ImageIO.write(result, "png", new File("result.png"));
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    BufferedImage inputFile = ImageIO.read(new URL("http://www.java2s.com/style/download.png"));

    for (int x = 0; x < inputFile.getWidth(); x++) {
        for (int y = 0; y < inputFile.getHeight(); y++) {
            int rgba = inputFile.getRGB(x, y);
            Color col = new Color(rgba, true);
            col = new Color(255 - col.getRed(), 255 - col.getGreen(), 255 - col.getBlue());
            inputFile.setRGB(x, y, col.getRGB());
        }//ww w.  j a  v  a 2s  .c o  m
    }

    File outputFile = new File("invert.png");
    ImageIO.write(inputFile, "png", outputFile);

}

From source file:Main.java

public static void main(String args[]) throws IOException {
    File file = new File("your file path.jpg");
    BufferedImage image = ImageIO.read(file);

    for (int i = 0; i < image.getHeight(); i++) {
        for (int j = 0; j < image.getWidth(); j++) {
            int color = image.getRGB(j, i);
            // convert the color to a readable format
            String clr = Integer.toHexString(color).substring(2);
            System.out.println(clr);
        }/* ww w.j  a  v a  2s . c om*/
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com/style/download.png");

    final BufferedImage originalImage = ImageIO.read(url);
    int width = originalImage.getWidth();
    int height = originalImage.getHeight();
    final BufferedImage textImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = textImage.createGraphics();

    FontRenderContext frc = g.getFontRenderContext();
    Font font = new Font("Arial", Font.BOLD, 50);
    GlyphVector gv = font.createGlyphVector(frc, "java2s.com");

    int xOff = 0;
    int yOff = 50;

    Shape shape = gv.getOutline(xOff, yOff);
    g.setClip(shape);/*from   w w w  .  ja  v a  2 s  .c  om*/
    g.drawImage(originalImage, 0, 0, null);

    g.setStroke(new BasicStroke(2f));
    g.setColor(Color.BLACK);
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.draw(shape);
    g.dispose();

    ImageIO.write(textImage, "png", new File("cat-text.png"));

    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
            JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(textImage)));
        }
    });
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com/style/download.png");
    final BufferedImage image = ImageIO.read(url);
    int x = 50;//w ww. j a v  a2  s .  c  o m
    final Image crop = image.getSubimage(x, 0, image.getWidth() - x, image.getHeight());
    Runnable r = new Runnable() {
        @Override
        public void run() {
            JPanel gui = new JPanel();
            gui.add(new JLabel(new ImageIcon(image)), BorderLayout.LINE_START);
            gui.add(new JLabel("java2s.com"));
            gui.add(new JLabel(new ImageIcon(crop)), BorderLayout.LINE_END);
            JOptionPane.showMessageDialog(null, gui);
        }
    };
    SwingUtilities.invokeLater(r);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    BufferedImage img = ImageIO.read(new File("c:/Java_Dev/a.jpg"));
    int height = img.getHeight();
    int width = img.getWidth();

    System.out.println(height + "  " + width + " " + img.getRGB(30, 30));

    for (int h = 1; h < height; h++) {
        for (int w = 1; w < width; w++) {
            int rgb = img.getRGB(w, h);
            int red = (rgb >> 16) & 0x000000FF;
            int green = (rgb >> 8) & 0x000000FF;
            int blue = (rgb) & 0x000000FF;

            if (red == 0 && green == 0 && blue == 0) {
                System.out.println("Black");
            }//w w  w.java2  s. c o m
        }
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    BufferedImage master = ImageIO.read(new URL("http://www.java2s.com/style/download.png"));
    BufferedImage gray = new BufferedImage(master.getWidth(), master.getHeight(), BufferedImage.TYPE_INT_ARGB);

    ColorConvertOp op = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
    op.filter(master, gray);//from   w  w  w .j  av a2s  .  co m

    // new JLabel(new ImageIcon(master));
    // new JLabel(new ImageIcon(gray));
    ImageIO.write(master, "png", new File("c:/Java_Dev/master.png"));
    ImageIO.write(gray, "png", new File("c:/Java_Dev/gray.png"));
}