test/jdk/java/awt/print/PrinterJob/DeviceScale.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/* @test 1.2 02/05/15
   @bug 4810363 4924441
   @key printer
   @run main DeviceScale
   @summary check the peek scale is the same as the device scale, and that the
   clips are also the same
*/
import java.io.*;
import java.net.*;
import java.awt.*;
import java.awt.geom.*;
import java.awt.print.*;
import javax.print.attribute.*;
import javax.print.attribute.standard.*;

public class DeviceScale implements Printable {

    boolean firstTime = true;
    double sx, sy;
    Shape clip, firstClip;

    public int print(Graphics g, PageFormat pf, int pageIndex)  {
        Graphics2D g2 = (Graphics2D)g;
        if (pageIndex>=1) {
                return Printable.NO_SUCH_PAGE;
        }
        AffineTransform at = g2.getTransform();
        System.out.println(at);
        clip = g2.getClip();
        System.out.println(clip);
        if (firstTime)  {
            firstTime = false;
            sx = Math.abs(at.getScaleX());
            sy = Math.abs(at.getScaleY());
            firstClip = clip;
        } else {
            double newSx = Math.abs(at.getScaleX());
            double newSy = Math.abs(at.getScaleY());
            if (Math.abs(sx - newSx) > 0.1 ||
                Math.abs(sy - newSy) > 0.1) {
                throw new RuntimeException("different scale, was "+
                                           sx+","+sy+" now " +
                                           newSx+","+ newSy);
            }
            if (!clip.equals(firstClip)) {
                throw new RuntimeException("different clip, was "+ firstClip +
                                           " now "+ clip);
            }
        }
        return Printable.PAGE_EXISTS;
    }

    public static void doit(OrientationRequested o) throws Exception {
        PrinterJob  pj = PrinterJob.getPrinterJob();
        if (pj.getPrintService() == null) {
          System.out.println("No print service found.");
          return;
        }
        pj.setPrintable(new DeviceScale());
        PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();
        aset.add(o);
        String fileName = "out.prn";
        File f = new File(fileName);
        f.deleteOnExit();
        URI dest = f.toURI();
        aset.add(new Destination(dest));
        pj.print(aset);
    }


    public static void main(String arg[]) throws Exception {

        doit(OrientationRequested.PORTRAIT);
        doit(OrientationRequested.LANDSCAPE);
        doit(OrientationRequested.REVERSE_LANDSCAPE);

    }

}