Examples of java.awt.Graphics.drawImage()

java.awt.Graphics.drawImage()
Draws as much of the specified image as is currently available. The image is drawn with its top-left corner at (x, y) in this graphics context's coordinate space. Transparent pixels in the image do not affect whatever pixels are already there.
This method returns immediately in all cases, even if the complete image has not yet been loaded, and it has not been dithered and converted for the current output device.
If the image has completely loaded and its pixels are no longer being changed, then drawImage returns true. Otherwise, drawImage returns false and as more of the image becomes available or it is time to draw another frame of animation, the process that loads the image notifies the specified image observer. @param img the specified image to be drawn. This method doesnothing if img is null. @param x the x coordinate. @param y the y coordinate. @param observer object to be notified as more of the image is converted. @return false if the image pixels are still changing;true otherwise. @see java.awt.Image @see java.awt.image.ImageObserver @see java.awt.image.ImageObserver#imageUpdate(java.awt.Image,int,int,int,int,int)

        final int height = firstIcon.getIconHeight() + secondIcon.getIconHeight();


        final BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        final Graphics graphics = bi.getGraphics();


        graphics.drawImage(firstIcon.getImage(), (width - firstIcon.getIconWidth()) / 2,
            height - firstIcon.getIconHeight(), null);
        graphics.drawImage(secondIcon.getImage(), (width - secondIcon.getIconWidth()) / 2, 0, null);


        return new ImageIcon(bi);
      }

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        final BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        final Graphics graphics = bi.getGraphics();


        graphics.drawImage(firstIcon.getImage(), (width - firstIcon.getIconWidth()) / 2,
            height - firstIcon.getIconHeight(), null);
        graphics.drawImage(secondIcon.getImage(), (width - secondIcon.getIconWidth()) / 2, 0, null);


        return new ImageIcon(bi);
      }
      case LEFT:
      {

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        final int height = Math.max(firstIcon.getIconHeight(), secondIcon.getIconHeight());


        final BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        final Graphics graphics = bi.getGraphics();


        graphics.drawImage(firstIcon.getImage(), 0, (height - firstIcon.getIconHeight()) / 2, null);
        graphics.drawImage(secondIcon.getImage(), firstIcon.getIconWidth(), (height - secondIcon.getIconHeight()) / 2,
            null);


        return new ImageIcon(bi);
      }

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        final BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        final Graphics graphics = bi.getGraphics();


        graphics.drawImage(firstIcon.getImage(), 0, (height - firstIcon.getIconHeight()) / 2, null);
        graphics.drawImage(secondIcon.getImage(), firstIcon.getIconWidth(), (height - secondIcon.getIconHeight()) / 2,
            null);


        return new ImageIcon(bi);
      }
      case RIGHT:

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        final int height = Math.max(firstIcon.getIconHeight(), secondIcon.getIconHeight());


        final BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        final Graphics graphics = bi.getGraphics();


        graphics.drawImage(firstIcon.getImage(), secondIcon.getIconWidth(), (height - firstIcon.getIconHeight()) / 2,
            null);
        graphics.drawImage(secondIcon.getImage(), 0, (height - secondIcon.getIconHeight()) / 2, null);


        return new ImageIcon(bi);
      }

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        final BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        final Graphics graphics = bi.getGraphics();


        graphics.drawImage(firstIcon.getImage(), secondIcon.getIconWidth(), (height - firstIcon.getIconHeight()) / 2,
            null);
        graphics.drawImage(secondIcon.getImage(), 0, (height - secondIcon.getIconHeight()) / 2, null);


        return new ImageIcon(bi);
      }
    }

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                          final boolean encodeAlpha) throws IOException, UnsupportedEncoderException
  {
    final BufferedImage bimage = new BufferedImage(image.getWidth(null), image.getHeight(null),
        BufferedImage.TYPE_INT_RGB);
    final Graphics g = bimage.createGraphics();
    g.drawImage(image, 0, 0, Color.WHITE, null);
    g.dispose();




    //// This is what we try to do via reflection. Yes, reflection is ugly, but it guarantees that
    //// we dont run into strange errors just because a non-Sun-JDK is used.

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            final Graphics g = img.getGraphics();
            for (int x = 0; x <= w / 32; x++)
            {
                for (int y = 0; y <= h / 32; y++)
                {
                    g.drawImage(bgImage, x * 32, y * 32, null);
                }
            }
            if (g instanceof Graphics2D)
            {
                final Graphics2D gg = (Graphics2D) g;

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                    pixels = new int[w*h];
                }


                BufferedImage buf = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB_PRE);
                Graphics g = buf.getGraphics();
                g.drawImage(image, 0, 0, w, h, null);
                
                long start = System.currentTimeMillis();
                long blitTime, putImageTime, write;
                GC gc = x11.XCreateGC(dpy, win, new NativeLong(0), null);
                long gcTime = System.currentTimeMillis();

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            HANDLE oldBitmap = null;
            
            try {
                BufferedImage buf = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB_PRE);
                Graphics g = buf.getGraphics();
                g.drawImage(image, 0, 0, w, h, null);
                
                BITMAPINFO bmi = new BITMAPINFO();
                bmi.bmiHeader.biWidth = w;
                bmi.bmiHeader.biHeight = h;
                bmi.bmiHeader.biPlanes = 1;

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