Examples of java.awt.image.VolatileImage.createGraphics()

java.awt.image.VolatileImage.createGraphics()
Creates a Graphics2D, which can be used to draw into this VolatileImage. @return a Graphics2D, used for drawing into thisimage.

                    // put in cache for future
                    imageCache.setImage(buffer, config, w, h, this, extendedCacheKeys);
                }


                // create the graphics context with which to paint to the buffer
                Graphics2D bg = buffer.createGraphics();


                // clear the background before configuring the graphics
                bg.setComposite(AlphaComposite.Clear);
                bg.fillRect(0, 0, w, h);
                bg.setComposite(AlphaComposite.SrcOver);

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                GraphicsConfiguration gc = JXAenvUtils._defaultGC;
                Dimension d = new Dimension(Math.max(1, Math.abs(size.width)), Math.max(1, Math.abs(size.height)));
                do {
                        Image i = ImagePool.getInstance().findVacantImage(VOLATILE, type, d);
                        vdata = i == null ? gc.createCompatibleVolatileImage(d.width, d.height, type) : (VolatileImage) i;
                        Graphics2D g = vdata.createGraphics();
                        Color c = g.getColor();
                        g.setColor(Color.WHITE);
                        g.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_IN, 0f));
                        g.fillRect(0, 0, d.width, d.height);
                        g.setComposite(AlphaComposite.SrcOver);

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                .getLocalGraphicsEnvironment()
                .getDefaultScreenDevice()
                .getDefaultConfiguration();
            VolatileImage vimg = cfg.createCompatibleVolatileImage(8, 1);
            vimg.validate(cfg);
            Graphics2D g2d = vimg.createGraphics();
            for (int i = 0; i < 100; i++) {
                g2d.drawImage(ctx.bimg, 0, 0, null);
            }
            g2d.dispose();
            vimg.flush();

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        VolatileImage vi = gc.createCompatibleVolatileImage(R_WIDTH, R_HEIGHT);
        BufferedImage bi = null;
        do {
            vi.validate(gc);
            Graphics2D g = vi.createGraphics();
            render(g, vi.getWidth(), vi.getHeight());
            bi = vi.getSnapshot();
        } while (vi.contentsLost());


        checkBI(bi);

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        "The quick brown fox jumps over the lazy dog 1234567890";
    private static void renderText(Frame frame, Font f1) {
        VolatileImage vi = frame.createVolatileImage(256, 32);
        vi.validate(frame.getGraphicsConfiguration());


        Graphics2D g = vi.createGraphics();
        g.setFont(f1);
        g.drawString(text, 0, vi.getHeight()/2);
        g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
                           RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
        g.drawString(text, 0, vi.getHeight()/2);

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        VolatileImage vi =
            gc.createCompatibleVolatileImage(250, 4*120, Transparency.OPAQUE);
        BufferedImage res;
        do {
            vi.validate(gc);
            Graphics2D g2d = vi.createGraphics();
            g2d.setColor(Color.white);
            g2d.fillRect(0, 0, vi.getWidth(), vi.getHeight());


            render(g2d);

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    return ret;
  }


  public static VolatileImage asCompatibleVolatileImage(Image img) {
    VolatileImage ret = defaultScreenDeviceConfiguration().createCompatibleVolatileImage(img.getWidth(null), img.getHeight(null));
    Graphics2D gc = ret.createGraphics();
    gc.drawImage(img, 0, 0, null);
    gc.dispose();
    return ret;
  }

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    return ret;
  }


  public static VolatileImage asCompatibleVolatileImage(Image img, int transparency) {
    VolatileImage ret = defaultScreenDeviceConfiguration().createCompatibleVolatileImage(img.getWidth(null), img.getHeight(null), transparency);
    Graphics2D gc = ret.createGraphics();
    gc.setComposite(AlphaComposite.Src);
    gc.drawImage(img, 0, 0, null);
    gc.dispose();
    return ret;
  }

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