There are 4 code examples for java.awt.AlphaComposite.

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Project Name: jFreeChart Package: org.jfree.chart

Source Code: ClipPath.java (Click to view .java file)

Method Code:
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/** 
 * Constructor for ClipPath.
 * The fillPaint is set to Color.GRAY, the drawColor is Color.BLUE, the
 * stroke is BasicStroke(1) and the composite is AlphaComposite.Src.
 * @param xValue  x coordinates of curved to be created
 * @param yValue  y coordinates of curved to be created
 * @param clip  clip?
 * @param fillPath  whether the path is to filled
 * @param drawPath  whether the path is to drawn as an outline
 */
public ClipPath(double[] xValue,double[] yValue,boolean clip,boolean fillPath,boolean drawPath){
  this.xValue=xValue;
  this.yValue=yValue;
  this.clip=clip;
  this.fillPath=fillPath;
  this.drawPath=drawPath;
  this.fillPaint=java.awt.Color.gray;
  this.drawPaint=java.awt.Color.blue;
  this.drawStroke=new BasicStroke(1);
  this.composite=java.awt.AlphaComposite.Src;
}

Project Name: jbidwatcher Package: com.jbidwatcher.ui

Source Code: AuctionsUIModel.java (Click to view .java file)

Method Code:
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public void paintComponent(Graphics g){
  super.paintComponent(g);
  if (image != null && _table.getRowCount() == 0) {
    int imageW=image.getWidth(null);
    int imageH=image.getHeight(null);
    Graphics2D g2d=(Graphics2D)g;
    AlphaComposite comp=AlphaComposite.getInstance(AlphaComposite.SRC_OVER,0.5f);
    Composite oldComp=g2d.getComposite();
    g2d.setComposite(comp);
    int xloc=getWidth() / 2 - imageW / 2 - 2;
    int yloc=getHeight() / 2 - imageH / 2 - 2;
    g2d.drawImage(image,xloc,yloc,this);
    g2d.setComposite(oldComp);
  }
}

Project Name: jbidwatcher Package: com.jbidwatcher.util

Source Code: IconFactory.java (Click to view .java file)

Method Code:
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private static BufferedImage createResizedCopy(Image originalImage,int scaledWidth,int scaledHeight){
  BufferedImage scaledBI=new BufferedImage(scaledWidth,scaledHeight,BufferedImage.TYPE_INT_RGB);
  Graphics2D g=scaledBI.createGraphics();
  g.setRenderingHint(RenderingHints.KEY_INTERPOLATION,RenderingHints.VALUE_INTERPOLATION_BICUBIC);
  if (true) {
    g.setComposite(AlphaComposite.Src);
  }
  g.drawImage(originalImage,0,0,scaledWidth,scaledHeight,null);
  g.dispose();
  return scaledBI;
}

Project Name: rmoffice Package: net.sf.rmoffice.ui.panels

Source Code: ProgressGlassPane.java (Click to view .java file)

Method Code:
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@Override protected void paintComponent(Graphics g){
  Graphics2D g2=(Graphics2D)g;
  g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
  Rectangle clip=g.getClipBounds();
  AlphaComposite alpha=AlphaComposite.SrcOver.derive(0.65f);
  Composite composite=g2.getComposite();
  g2.setComposite(alpha);
  g2.setColor(getBackground());
  g2.fillRect(clip.x,clip.y,clip.width,clip.height);
  FontMetrics metrics=g.getFontMetrics();
  int x=(getWidth() - BAR_WIDTH) / 2;
  int y=(getHeight() - BAR_HEIGHT - metrics.getDescent()) / 2;
  g2.setColor(TEXT_COLOR);
  g2.drawString(message,x,y);
  y+=metrics.getDescent();
  int w=(int)(BAR_WIDTH * (progress / 100.0f));
  int h=BAR_HEIGHT;
  Paint paint=g2.getPaint();
  Paint gradient=new GradientPaint(x,y,GRADIENT_COLOR1,x,y + h,GRADIENT_COLOR2);
  g2.setPaint(gradient);
  g2.fillRect(x,y,BAR_WIDTH,BAR_HEIGHT);
  gradient=new LinearGradientPaint(x,y,x,y + h,GRADIENT_FRACTIONS,GRADIENT_COLORS);
  g2.setPaint(gradient);
  g2.fillRect(x,y,w,h);
  g2.setPaint(paint);
  g2.drawRect(x,y,BAR_WIDTH,BAR_HEIGHT);
  g2.setComposite(composite);
}