Examples with Printable java.awt.print.Printable used on opensource projects

Example 11 with Printable

use of java.awt.print.Printable in project jdk8u_jdk by JetBrains.

the class PSPathGraphics method redrawRegion.

/** Redraw a rectanglular area using a proxy graphics
      * To do this we need to know the rectangular area to redraw and
      * the transform & clip in effect at the time of the original drawImage
      *
      */
public void redrawRegion(Rectangle2D region, double scaleX, double scaleY, Shape savedClip, AffineTransform savedTransform) throws PrinterException {
    PSPrinterJob psPrinterJob = (PSPrinterJob) getPrinterJob();
    Printable painter = getPrintable();
    PageFormat pageFormat = getPageFormat();
    int pageIndex = getPageIndex();
    /* Create a buffered image big enough to hold the portion
         * of the source image being printed.
         */
    BufferedImage deepImage = new BufferedImage((int) region.getWidth(), (int) region.getHeight(), BufferedImage.TYPE_3BYTE_BGR);
    /* Get a graphics for the application to render into.
         * We initialize the buffer to white in order to
         * match the paper and then we shift the BufferedImage
         * so that it covers the area on the page where the
         * caller's Image will be drawn.
         */
    Graphics2D g = deepImage.createGraphics();
    ProxyGraphics2D proxy = new ProxyGraphics2D(g, psPrinterJob);
    proxy.setColor(Color.white);
    proxy.fillRect(0, 0, deepImage.getWidth(), deepImage.getHeight());
    proxy.clipRect(0, 0, deepImage.getWidth(), deepImage.getHeight());
    proxy.translate(-region.getX(), -region.getY());
    /* Calculate the resolution of the source image.
         */
    float sourceResX = (float) (psPrinterJob.getXRes() / scaleX);
    float sourceResY = (float) (psPrinterJob.getYRes() / scaleY);
    /* The application expects to see user space at 72 dpi.
         * so change user space from image source resolution to
         *  72 dpi.
         */
    proxy.scale(sourceResX / DEFAULT_USER_RES, sourceResY / DEFAULT_USER_RES);
    proxy.translate(-psPrinterJob.getPhysicalPrintableX(pageFormat.getPaper()) / psPrinterJob.getXRes() * DEFAULT_USER_RES, -psPrinterJob.getPhysicalPrintableY(pageFormat.getPaper()) / psPrinterJob.getYRes() * DEFAULT_USER_RES);
    /* NB User space now has to be at 72 dpi for this calc to be correct */
    proxy.transform(new AffineTransform(getPageFormat().getMatrix()));
    proxy.setPaint(Color.black);
    painter.print(proxy, pageFormat, pageIndex);
    g.dispose();
    /* In PSPrinterJob images are printed in device space
         * and therefore we need to set a device space clip.
         */
    psPrinterJob.setClip(savedTransform.createTransformedShape(savedClip));
    /* Scale the bounding rectangle by the scale transform.
         * Because the scaling transform has only x and y
         * scaling components it is equivalent to multiply
         * the x components of the bounding rectangle by
         * the x scaling factor and to multiply the y components
         * by the y scaling factor.
         */
    Rectangle2D.Float scaledBounds = new Rectangle2D.Float((float) (region.getX() * scaleX), (float) (region.getY() * scaleY), (float) (region.getWidth() * scaleX), (float) (region.getHeight() * scaleY));
    /* Pull the raster data from the buffered image
         * and pass it along to PS.
         */
    ByteComponentRaster tile = (ByteComponentRaster) deepImage.getRaster();
    psPrinterJob.drawImageBGR(tile.getDataStorage(), scaledBounds.x, scaledBounds.y, scaledBounds.width, scaledBounds.height, 0f, 0f, deepImage.getWidth(), deepImage.getHeight(), deepImage.getWidth(), deepImage.getHeight());
}