Example usage for java.awt AlphaComposite getInstance

Introduction

In this page you can find the example usage for java.awt AlphaComposite getInstance.

Prototype

public static AlphaComposite getInstance(int rule)

Source Link

Document

Creates an AlphaComposite object with the specified rule.

Usage

From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);/*from w w w  . ja  v a  2 s .c  om*/

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_IN));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.SRC_IN", x, y + 80);

}

From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);/*from ww  w.  j av a2 s  .co  m*/

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OUT));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.SRC_OUT", x, y + 80);

}

From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);/*from  ww  w  .ja v  a2s .  c  o  m*/

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.SRC_OVER", x, y + 80);

}

From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);/*ww w  .  j  a va2  s .c  o m*/

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_OUT));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.DST_OUT", x, y + 80);

}

From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);/* w  w w  . ja v a 2s  .c o  m*/

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.SRC", x, y + 80);

}

From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);/*from w  w  w  .jav  a2 s.co m*/

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_IN));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.DST_IN", x, y + 80);

}

From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);/*from w  w  w. j  ava  2s  . c  o m*/

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_OVER));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.DST_OVER", x, y + 80);

}

From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);//  w  w w .jav  a2s  .  c o  m

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.CLEAR", x, y + 80);

}

From source file:org.jahia.services.image.AbstractJava2DImageService.java

public boolean rotateImage(Image image, File outputFile, boolean clockwise) throws IOException {
    BufferedImage originalImage = ((BufferImage) image).getOriginalImage();

    BufferedImage dest = getDestImage(originalImage.getHeight(), originalImage.getWidth(), originalImage);
    // Paint source image into the destination, scaling as needed
    Graphics2D graphics2D = getGraphics2D(dest, OperationType.ROTATE);

    double angle = Math.toRadians(clockwise ? 90 : -90);
    double sin = Math.abs(Math.sin(angle)), cos = Math.abs(Math.cos(angle));
    int w = originalImage.getWidth(), h = originalImage.getHeight();
    int neww = (int) Math.floor(w * cos + h * sin), newh = (int) Math.floor(h * cos + w * sin);
    graphics2D.translate((neww - w) / 2, (newh - h) / 2);
    graphics2D.rotate(angle, w / (double) 2, h / (double) 2);
    graphics2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC));
    if (originalImage.getColorModel() instanceof IndexColorModel) {
        graphics2D.drawImage(originalImage, 0, 0, graphics2D.getBackground(), null);
    } else {//from   w w w . ja  v  a  2s.c  om
        graphics2D.drawImage(originalImage, 0, 0, null);
    }

    // Save destination image
    saveImageToFile(dest, ((BufferImage) image).getMimeType(), outputFile);
    return true;
}

From source file:com.codename1.android.AndroidLayoutImporter.java

Border createImageBorder(String imageName) {
    Image im = outputResources.getImage(imageName);
    if (im == null) {
        return null;
    }/*from ww w .  j  a  v a2  s. c om*/
    EncodedImage eim = null;
    if (im instanceof EncodedImage) {
        eim = (EncodedImage) im;
    } else {
        eim = EncodedImage.createFromImage(im, imageName.endsWith(".jpg"));
    }

    BufferedImage center = new BufferedImage(1, im.getHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = (Graphics2D) center.createGraphics();
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR));
    g2.fillRect(0, 0, im.getWidth(), im.getHeight());
    g2.dispose();

    EncodedImage placeholder = EncodedImage.create(toPng(center));

    outputResources.setImage("TransparentPlaceholer" + center.getWidth() + "x" + center.getHeight() + ".png",
            placeholder);

    return Border.createHorizonalImageBorder(eim, placeholder, placeholder);
}