1 /*
   2  * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.print;
  27 
  28 import java.io.FilePermission;
  29 
  30 import java.awt.Color;
  31 import java.awt.Dialog;
  32 import java.awt.Frame;
  33 import java.awt.Graphics;
  34 import java.awt.Graphics2D;
  35 import java.awt.GraphicsConfiguration;
  36 import java.awt.GraphicsEnvironment;
  37 import java.awt.HeadlessException;
  38 import java.awt.KeyboardFocusManager;
  39 import java.awt.Rectangle;
  40 import java.awt.Shape;
  41 import java.awt.geom.AffineTransform;
  42 import java.awt.geom.Area;
  43 import java.awt.geom.Point2D;
  44 import java.awt.geom.Rectangle2D;
  45 import java.awt.image.BufferedImage;
  46 import java.awt.print.Book;
  47 import java.awt.print.Pageable;
  48 import java.awt.print.PageFormat;
  49 import java.awt.print.Paper;
  50 import java.awt.print.Printable;
  51 import java.awt.print.PrinterAbortException;
  52 import java.awt.print.PrinterException;
  53 import java.awt.print.PrinterJob;
  54 import java.awt.Window;
  55 import java.io.File;
  56 import java.io.IOException;
  57 import java.util.ArrayList;
  58 import java.util.Enumeration;
  59 import java.util.Locale;
  60 import sun.awt.image.ByteInterleavedRaster;
  61 
  62 import javax.print.Doc;
  63 import javax.print.DocFlavor;
  64 import javax.print.DocPrintJob;
  65 import javax.print.PrintException;
  66 import javax.print.PrintService;
  67 import javax.print.PrintServiceLookup;
  68 import javax.print.ServiceUI;
  69 import javax.print.StreamPrintService;
  70 import javax.print.StreamPrintServiceFactory;
  71 import javax.print.attribute.Attribute;
  72 import javax.print.attribute.AttributeSet;
  73 import javax.print.attribute.HashPrintRequestAttributeSet;
  74 import javax.print.attribute.PrintRequestAttributeSet;
  75 import javax.print.attribute.ResolutionSyntax;
  76 import javax.print.attribute.Size2DSyntax;
  77 import javax.print.attribute.standard.Chromaticity;
  78 import javax.print.attribute.standard.Copies;
  79 import javax.print.attribute.standard.Destination;
  80 import javax.print.attribute.standard.DialogTypeSelection;
  81 import javax.print.attribute.standard.Fidelity;
  82 import javax.print.attribute.standard.JobName;
  83 import javax.print.attribute.standard.JobSheets;
  84 import javax.print.attribute.standard.Media;
  85 import javax.print.attribute.standard.MediaPrintableArea;
  86 import javax.print.attribute.standard.MediaSize;
  87 import javax.print.attribute.standard.MediaSizeName;
  88 import javax.print.attribute.standard.OrientationRequested;
  89 import javax.print.attribute.standard.PageRanges;
  90 import javax.print.attribute.standard.PrinterResolution;
  91 import javax.print.attribute.standard.PrinterState;
  92 import javax.print.attribute.standard.PrinterStateReason;
  93 import javax.print.attribute.standard.PrinterStateReasons;
  94 import javax.print.attribute.standard.PrinterIsAcceptingJobs;
  95 import javax.print.attribute.standard.RequestingUserName;
  96 import javax.print.attribute.standard.SheetCollate;
  97 import javax.print.attribute.standard.Sides;
  98 
  99 import sun.print.PageableDoc;
 100 import sun.print.ServiceDialog;
 101 import sun.print.SunPrinterJobService;
 102 import sun.print.SunPageSelection;
 103 
 104 /**
 105  * A class which rasterizes a printer job.
 106  *
 107  * @author Richard Blanchard
 108  */
 109 public abstract class RasterPrinterJob extends PrinterJob {
 110 
 111  /* Class Constants */
 112 
 113      /* Printer destination type. */
 114     protected static final int PRINTER = 0;
 115 
 116      /* File destination type.  */
 117     protected static final int FILE = 1;
 118 
 119     /* Stream destination type.  */
 120     protected static final int STREAM = 2;
 121 
 122     /**
 123      * Pageable MAX pages
 124      */
 125     protected static final int MAX_UNKNOWN_PAGES = 9999;
 126 
 127     protected static final int PD_ALLPAGES = 0x00000000;
 128     protected static final int PD_SELECTION = 0x00000001;
 129     protected static final int PD_PAGENUMS = 0x00000002;
 130     protected static final int PD_NOSELECTION = 0x00000004;
 131 
 132     /**
 133      * Maximum amount of memory in bytes to use for the
 134      * buffered image "band". 4Mb is a compromise between
 135      * limiting the number of bands on hi-res printers and
 136      * not using too much of the Java heap or causing paging
 137      * on systems with little RAM.
 138      */
 139     private static final int MAX_BAND_SIZE = (1024 * 1024 * 4);
 140 
 141     /* Dots Per Inch */
 142     private static final float DPI = 72.0f;
 143 
 144     /**
 145      * Useful mainly for debugging, this system property
 146      * can be used to force the printing code to print
 147      * using a particular pipeline. The two currently
 148      * supported values are FORCE_RASTER and FORCE_PDL.
 149      */
 150     private static final String FORCE_PIPE_PROP = "sun.java2d.print.pipeline";
 151 
 152     /**
 153      * When the system property FORCE_PIPE_PROP has this value
 154      * then each page of a print job will be rendered through
 155      * the raster pipeline.
 156      */
 157     private static final String FORCE_RASTER = "raster";
 158 
 159     /**
 160      * When the system property FORCE_PIPE_PROP has this value
 161      * then each page of a print job will be rendered through
 162      * the PDL pipeline.
 163      */
 164     private static final String FORCE_PDL = "pdl";
 165 
 166     /**
 167      * When the system property SHAPE_TEXT_PROP has this value
 168      * then text is always rendered as a shape, and no attempt is made
 169      * to match the font through GDI
 170      */
 171     private static final String SHAPE_TEXT_PROP = "sun.java2d.print.shapetext";
 172 
 173     /**
 174      * values obtained from System properties in static initialiser block
 175      */
 176     public static boolean forcePDL = false;
 177     public static boolean forceRaster = false;
 178     public static boolean shapeTextProp = false;
 179 
 180     static {
 181         /* The system property FORCE_PIPE_PROP
 182          * can be used to force the printing code to
 183          * use a particular pipeline. Either the raster
 184          * pipeline or the pdl pipeline can be forced.
 185          */
 186         String forceStr = java.security.AccessController.doPrivileged(
 187                    new sun.security.action.GetPropertyAction(FORCE_PIPE_PROP));
 188 
 189         if (forceStr != null) {
 190             if (forceStr.equalsIgnoreCase(FORCE_PDL)) {
 191                 forcePDL = true;
 192             } else if (forceStr.equalsIgnoreCase(FORCE_RASTER)) {
 193                 forceRaster = true;
 194             }
 195         }
 196 
 197         String shapeTextStr =java.security.AccessController.doPrivileged(
 198                    new sun.security.action.GetPropertyAction(SHAPE_TEXT_PROP));
 199 
 200         if (shapeTextStr != null) {
 201             shapeTextProp = true;
 202         }
 203     }
 204 
 205     /* Instance Variables */
 206 
 207     /**
 208      * Used to minimize GC & reallocation of band when printing
 209      */
 210     private int cachedBandWidth = 0;
 211     private int cachedBandHeight = 0;
 212     private BufferedImage cachedBand = null;
 213 
 214     /**
 215      * The number of book copies to be printed.
 216      */
 217     private int mNumCopies = 1;
 218 
 219     /**
 220      * Collation effects the order of the pages printed
 221      * when multiple copies are requested. For two copies
 222      * of a three page document the page order is:
 223      *  mCollate true: 1, 2, 3, 1, 2, 3
 224      *  mCollate false: 1, 1, 2, 2, 3, 3
 225      */
 226     private boolean mCollate = false;
 227 
 228     /**
 229      * The zero based indices of the first and last
 230      * pages to be printed. If 'mFirstPage' is
 231      * UNDEFINED_PAGE_NUM then the first page to
 232      * be printed is page 0. If 'mLastPage' is
 233      * UNDEFINED_PAGE_NUM then the last page to
 234      * be printed is the last one in the book.
 235      */
 236     private int mFirstPage = Pageable.UNKNOWN_NUMBER_OF_PAGES;
 237     private int mLastPage = Pageable.UNKNOWN_NUMBER_OF_PAGES;
 238 
 239     /**
 240      * The previous print stream Paper
 241      * Used to check if the paper size has changed such that the
 242      * implementation needs to emit the new paper size information
 243      * into the print stream.
 244      * Since we do our own rotation, and the margins aren't relevant,
 245      * Its strictly the dimensions of the paper that we will check.
 246      */
 247     private Paper previousPaper;
 248 
 249     /**
 250      * The document to be printed. It is initialized to an
 251      * empty (zero pages) book.
 252      */
 253 // MacOSX - made protected so subclasses can reference it.
 254     protected Pageable mDocument = new Book();
 255 
 256     /**
 257      * The name of the job being printed.
 258      */
 259     private String mDocName = "Java Printing";
 260 
 261 
 262     /**
 263      * Printing cancellation flags
 264      */
 265  // MacOSX - made protected so subclasses can reference it.
 266     protected boolean performingPrinting = false;
 267  // MacOSX - made protected so subclasses can reference it.
 268     protected boolean userCancelled = false;
 269 
 270    /**
 271     * Print to file permission variables.
 272     */
 273     private FilePermission printToFilePermission;
 274 
 275     /**
 276      * List of areas & the graphics state for redrawing
 277      */
 278     private ArrayList<GraphicsState> redrawList = new ArrayList<>();
 279 
 280 
 281     /* variables representing values extracted from an attribute set.
 282      * These take precedence over values set on a printer job
 283      */
 284     private int copiesAttr;
 285     private String jobNameAttr;
 286     private String userNameAttr;
 287     private PageRanges pageRangesAttr;
 288     protected PrinterResolution printerResAttr;
 289     protected Sides sidesAttr;
 290     protected String destinationAttr;
 291     protected boolean noJobSheet = false;
 292     protected int mDestType = RasterPrinterJob.FILE;
 293     protected String mDestination = "";
 294     protected boolean collateAttReq = false;
 295 
 296     /**
 297      * Device rotation flag, if it support 270, this is set to true;
 298      */
 299     protected boolean landscapeRotates270 = false;
 300 
 301    /**
 302      * attributes used by no-args page and print dialog and print method to
 303      * communicate state
 304      */
 305     protected PrintRequestAttributeSet attributes = null;
 306 
 307     /**
 308      * Class to keep state information for redrawing areas
 309      * "region" is an area at as a high a resolution as possible.
 310      * The redrawing code needs to look at sx, sy to calculate the scale
 311      * to device resolution.
 312      */
 313     private class GraphicsState {
 314         Rectangle2D region;  // Area of page to repaint
 315         Shape theClip;       // image drawing clip.
 316         AffineTransform theTransform; // to transform clip to dev coords.
 317         double sx;           // X scale from region to device resolution
 318         double sy;           // Y scale from region to device resolution
 319     }
 320 
 321     /**
 322      * Service for this job
 323      */
 324     protected PrintService myService;
 325 
 326  /* Constructors */
 327 
 328     public RasterPrinterJob()
 329     {
 330     }
 331 
 332 /* Abstract Methods */
 333 
 334     /**
 335      * Returns the resolution in dots per inch across the width
 336      * of the page.
 337      */
 338     protected abstract double getXRes();
 339 
 340     /**
 341      * Returns the resolution in dots per inch down the height
 342      * of the page.
 343      */
 344     protected abstract double getYRes();
 345 
 346     /**
 347      * Must be obtained from the current printer.
 348      * Value is in device pixels.
 349      * Not adjusted for orientation of the paper.
 350      */
 351     protected abstract double getPhysicalPrintableX(Paper p);
 352 
 353     /**
 354      * Must be obtained from the current printer.
 355      * Value is in device pixels.
 356      * Not adjusted for orientation of the paper.
 357      */
 358     protected abstract double getPhysicalPrintableY(Paper p);
 359 
 360     /**
 361      * Must be obtained from the current printer.
 362      * Value is in device pixels.
 363      * Not adjusted for orientation of the paper.
 364      */
 365     protected abstract double getPhysicalPrintableWidth(Paper p);
 366 
 367     /**
 368      * Must be obtained from the current printer.
 369      * Value is in device pixels.
 370      * Not adjusted for orientation of the paper.
 371      */
 372     protected abstract double getPhysicalPrintableHeight(Paper p);
 373 
 374     /**
 375      * Must be obtained from the current printer.
 376      * Value is in device pixels.
 377      * Not adjusted for orientation of the paper.
 378      */
 379     protected abstract double getPhysicalPageWidth(Paper p);
 380 
 381     /**
 382      * Must be obtained from the current printer.
 383      * Value is in device pixels.
 384      * Not adjusted for orientation of the paper.
 385      */
 386     protected abstract double getPhysicalPageHeight(Paper p);
 387 
 388     /**
 389      * Begin a new page.
 390      */
 391     protected abstract void startPage(PageFormat format, Printable painter,
 392                                       int index, boolean paperChanged)
 393         throws PrinterException;
 394 
 395     /**
 396      * End a page.
 397      */
 398     protected abstract void endPage(PageFormat format, Printable painter,
 399                                     int index)
 400         throws PrinterException;
 401 
 402     /**
 403      * Prints the contents of the array of ints, 'data'
 404      * to the current page. The band is placed at the
 405      * location (x, y) in device coordinates on the
 406      * page. The width and height of the band is
 407      * specified by the caller.
 408      */
 409     protected abstract void printBand(byte[] data, int x, int y,
 410                                       int width, int height)
 411         throws PrinterException;
 412 
 413 /* Instance Methods */
 414 
 415     /**
 416       * save graphics state of a PathGraphics for later redrawing
 417       * of part of page represented by the region in that state
 418       */
 419 
 420     public void saveState(AffineTransform at, Shape clip,
 421                           Rectangle2D region, double sx, double sy) {
 422         GraphicsState gstate = new GraphicsState();
 423         gstate.theTransform = at;
 424         gstate.theClip = clip;
 425         gstate.region = region;
 426         gstate.sx = sx;
 427         gstate.sy = sy;
 428         redrawList.add(gstate);
 429     }
 430 
 431 
 432     /*
 433      * A convenience method which returns the default service
 434      * for 2D <code>PrinterJob</code>s.
 435      * May return null if there is no suitable default (although there
 436      * may still be 2D services available).
 437      * @return default 2D print service, or null.
 438      * @since     1.4
 439      */
 440     protected static PrintService lookupDefaultPrintService() {
 441         PrintService service = PrintServiceLookup.lookupDefaultPrintService();
 442 
 443         /* Pageable implies Printable so checking both isn't strictly needed */
 444         if (service != null &&
 445             service.isDocFlavorSupported(
 446                                 DocFlavor.SERVICE_FORMATTED.PAGEABLE) &&
 447             service.isDocFlavorSupported(
 448                                 DocFlavor.SERVICE_FORMATTED.PRINTABLE)) {
 449             return service;
 450         } else {
 451            PrintService []services =
 452              PrintServiceLookup.lookupPrintServices(
 453                                 DocFlavor.SERVICE_FORMATTED.PAGEABLE, null);
 454            if (services.length > 0) {
 455                return services[0];
 456            }
 457         }
 458         return null;
 459     }
 460 
 461    /**
 462      * Returns the service (printer) for this printer job.
 463      * Implementations of this class which do not support print services
 464      * may return null;
 465      * @return the service for this printer job.
 466      *
 467      */
 468     public PrintService getPrintService() {
 469         if (myService == null) {
 470             PrintService svc = PrintServiceLookup.lookupDefaultPrintService();
 471             if (svc != null &&
 472                 svc.isDocFlavorSupported(
 473                      DocFlavor.SERVICE_FORMATTED.PAGEABLE)) {
 474                 try {
 475                     setPrintService(svc);
 476                     myService = svc;
 477                 } catch (PrinterException e) {
 478                 }
 479             }
 480             if (myService == null) {
 481                 PrintService[] svcs = PrintServiceLookup.lookupPrintServices(
 482                     DocFlavor.SERVICE_FORMATTED.PAGEABLE, null);
 483                 if (svcs.length > 0) {
 484                     try {
 485                         setPrintService(svcs[0]);
 486                         myService = svcs[0];
 487                     } catch (PrinterException e) {
 488                     }
 489                 }
 490             }
 491         }
 492         return myService;
 493     }
 494 
 495     /**
 496      * Associate this PrinterJob with a new PrintService.
 497      *
 498      * Throws <code>PrinterException</code> if the specified service
 499      * cannot support the <code>Pageable</code> and
 500      * <code>Printable</code> interfaces necessary to support 2D printing.
 501      * @param service print service which supports 2D printing.
 502      *
 503      * @throws PrinterException if the specified service does not support
 504      * 2D printing or no longer available.
 505      */
 506     public void setPrintService(PrintService service)
 507         throws PrinterException {
 508         if (service == null) {
 509             throw new PrinterException("Service cannot be null");
 510         } else if (!(service instanceof StreamPrintService) &&
 511                    service.getName() == null) {
 512             throw new PrinterException("Null PrintService name.");
 513         } else {
 514             // Check the list of services.  This service may have been
 515             // deleted already
 516             PrinterState prnState = service.getAttribute(PrinterState.class);
 517             if (prnState == PrinterState.STOPPED) {
 518                 PrinterStateReasons prnStateReasons =
 519                     service.getAttribute(PrinterStateReasons.class);
 520                 if ((prnStateReasons != null) &&
 521                     (prnStateReasons.containsKey(PrinterStateReason.SHUTDOWN)))
 522                 {
 523                     throw new PrinterException("PrintService is no longer available.");
 524                 }
 525             }
 526 
 527 
 528             if (service.isDocFlavorSupported(
 529                                              DocFlavor.SERVICE_FORMATTED.PAGEABLE) &&
 530                 service.isDocFlavorSupported(
 531                                              DocFlavor.SERVICE_FORMATTED.PRINTABLE)) {
 532                 myService = service;
 533             } else {
 534                 throw new PrinterException("Not a 2D print service: " + service);
 535             }
 536         }
 537     }
 538 
 539     private PageFormat attributeToPageFormat(PrintService service,
 540                                                PrintRequestAttributeSet attSet) {
 541         PageFormat page = defaultPage();
 542 
 543         if (service == null) {
 544             return page;
 545         }
 546 
 547         OrientationRequested orient = (OrientationRequested)
 548                                       attSet.get(OrientationRequested.class);
 549         if (orient == null) {
 550             orient = (OrientationRequested)
 551                     service.getDefaultAttributeValue(OrientationRequested.class);
 552         }
 553         if (orient == OrientationRequested.REVERSE_LANDSCAPE) {
 554             page.setOrientation(PageFormat.REVERSE_LANDSCAPE);
 555         } else if (orient == OrientationRequested.LANDSCAPE) {
 556             page.setOrientation(PageFormat.LANDSCAPE);
 557         } else {
 558             page.setOrientation(PageFormat.PORTRAIT);
 559         }
 560 
 561         Media media = (Media)attSet.get(Media.class);
 562         MediaSize size = getMediaSize(media, service, page);
 563 
 564         Paper paper = new Paper();
 565         float dim[] = size.getSize(1); //units == 1 to avoid FP error
 566         double w = Math.rint((dim[0]*72.0)/Size2DSyntax.INCH);
 567         double h = Math.rint((dim[1]*72.0)/Size2DSyntax.INCH);
 568         paper.setSize(w, h);
 569         MediaPrintableArea area =
 570              (MediaPrintableArea)
 571              attSet.get(MediaPrintableArea.class);
 572         if (area == null) {
 573             area = getDefaultPrintableArea(page, w, h);
 574         }
 575 
 576         double ix, iw, iy, ih;
 577         // Should pass in same unit as updatePageAttributes
 578         // to avoid rounding off errors.
 579         ix = Math.rint(
 580                 area.getX(MediaPrintableArea.INCH) * DPI);
 581         iy = Math.rint(
 582                 area.getY(MediaPrintableArea.INCH) * DPI);
 583         iw = Math.rint(
 584                 area.getWidth(MediaPrintableArea.INCH) * DPI);
 585         ih = Math.rint(
 586                 area.getHeight(MediaPrintableArea.INCH) * DPI);
 587         paper.setImageableArea(ix, iy, iw, ih);
 588         page.setPaper(paper);
 589         return page;
 590     }
 591     protected MediaSize getMediaSize(Media media, PrintService service,
 592             PageFormat page) {
 593         if (media == null) {
 594             media = (Media)service.getDefaultAttributeValue(Media.class);
 595         }
 596         if (!(media instanceof MediaSizeName)) {
 597             media = MediaSizeName.NA_LETTER;
 598         }
 599         MediaSize size = MediaSize.getMediaSizeForName((MediaSizeName) media);
 600         return size != null ? size : MediaSize.NA.LETTER;
 601     }
 602 
 603     protected MediaPrintableArea getDefaultPrintableArea(PageFormat page,
 604             double w, double h) {
 605         double ix, iw, iy, ih;
 606         if (w >= 72.0 * 6.0) {
 607             ix = 72.0;
 608             iw = w - 2 * 72.0;
 609         } else {
 610             ix = w / 6.0;
 611             iw = w * 0.75;
 612         }
 613         if (h >= 72.0 * 6.0) {
 614             iy = 72.0;
 615             ih = h - 2 * 72.0;
 616         } else {
 617             iy = h / 6.0;
 618             ih = h * 0.75;
 619         }
 620 
 621         return new MediaPrintableArea((float) (ix / DPI), (float) (iy / DPI),
 622                 (float) (iw / DPI), (float) (ih / DPI), MediaPrintableArea.INCH);
 623     }
 624 
 625     protected void updatePageAttributes(PrintService service,
 626                                         PageFormat page) {
 627         if (this.attributes == null) {
 628             this.attributes = new HashPrintRequestAttributeSet();
 629         }
 630 
 631         updateAttributesWithPageFormat(service, page, this.attributes);
 632     }
 633 
 634     protected void updateAttributesWithPageFormat(PrintService service,
 635                                         PageFormat page,
 636                                         PrintRequestAttributeSet pageAttributes) {
 637         if (service == null || page == null || pageAttributes == null) {
 638             return;
 639         }
 640 
 641         float x = (float)Math.rint(
 642                          (page.getPaper().getWidth()*Size2DSyntax.INCH)/
 643                          (72.0))/(float)Size2DSyntax.INCH;
 644         float y = (float)Math.rint(
 645                          (page.getPaper().getHeight()*Size2DSyntax.INCH)/
 646                          (72.0))/(float)Size2DSyntax.INCH;
 647 
 648         // We should limit the list where we search the matching
 649         // media, this will prevent mapping to wrong media ex. Ledger
 650         // can be mapped to B.  Especially useful when creating
 651         // custom MediaSize.
 652         Media[] mediaList = (Media[])service.getSupportedAttributeValues(
 653                                       Media.class, null, null);
 654         Media media = null;
 655         try {
 656             media = CustomMediaSizeName.findMedia(mediaList, x, y,
 657                                    Size2DSyntax.INCH);
 658         } catch (IllegalArgumentException iae) {
 659         }
 660         if ((media == null) ||
 661              !(service.isAttributeValueSupported(media, null, null))) {
 662             media = (Media)service.getDefaultAttributeValue(Media.class);
 663         }
 664 
 665         OrientationRequested orient;
 666         switch (page.getOrientation()) {
 667         case PageFormat.LANDSCAPE :
 668             orient = OrientationRequested.LANDSCAPE;
 669             break;
 670         case PageFormat.REVERSE_LANDSCAPE:
 671             orient = OrientationRequested.REVERSE_LANDSCAPE;
 672             break;
 673         default:
 674             orient = OrientationRequested.PORTRAIT;
 675         }
 676 
 677         if (media != null) {
 678             pageAttributes.add(media);
 679         }
 680         pageAttributes.add(orient);
 681 
 682         float ix = (float)(page.getPaper().getImageableX()/DPI);
 683         float iw = (float)(page.getPaper().getImageableWidth()/DPI);
 684         float iy = (float)(page.getPaper().getImageableY()/DPI);
 685         float ih = (float)(page.getPaper().getImageableHeight()/DPI);
 686         if (ix < 0) ix = 0f; if (iy < 0) iy = 0f;
 687         try {
 688             pageAttributes.add(new MediaPrintableArea(ix, iy, iw, ih,
 689                                                   MediaPrintableArea.INCH));
 690         } catch (IllegalArgumentException iae) {
 691         }
 692     }
 693 
 694    /**
 695      * Display a dialog to the user allowing the modification of a
 696      * PageFormat instance.
 697      * The <code>page</code> argument is used to initialize controls
 698      * in the page setup dialog.
 699      * If the user cancels the dialog, then the method returns the
 700      * original <code>page</code> object unmodified.
 701      * If the user okays the dialog then the method returns a new
 702      * PageFormat object with the indicated changes.
 703      * In either case the original <code>page</code> object will
 704      * not be modified.
 705      * @param     page    the default PageFormat presented to the user
 706      *                    for modification
 707      * @return    the original <code>page</code> object if the dialog
 708      *            is cancelled, or a new PageFormat object containing
 709      *            the format indicated by the user if the dialog is
 710      *            acknowledged
 711      * @exception HeadlessException if GraphicsEnvironment.isHeadless()
 712      * returns true.
 713      * @see java.awt.GraphicsEnvironment#isHeadless
 714      * @since     1.2
 715      */
 716     public PageFormat pageDialog(PageFormat page)
 717         throws HeadlessException {
 718         if (GraphicsEnvironment.isHeadless()) {
 719             throw new HeadlessException();
 720         }
 721 
 722         final GraphicsConfiguration gc =
 723           GraphicsEnvironment.getLocalGraphicsEnvironment().
 724           getDefaultScreenDevice().getDefaultConfiguration();
 725 
 726         PrintService service = java.security.AccessController.doPrivileged(
 727                                new java.security.PrivilegedAction<PrintService>() {
 728                 public PrintService run() {
 729                     PrintService service = getPrintService();
 730                     if (service == null) {
 731                         ServiceDialog.showNoPrintService(gc);
 732                         return null;
 733                     }
 734                     return service;
 735                 }
 736             });
 737 
 738         if (service == null) {
 739             return page;
 740         }
 741         updatePageAttributes(service, page);
 742 
 743         PageFormat newPage = null;
 744         DialogTypeSelection dts =
 745             (DialogTypeSelection)attributes.get(DialogTypeSelection.class);
 746         if (dts == DialogTypeSelection.NATIVE) {
 747             // Remove DialogTypeSelection.NATIVE to prevent infinite loop in
 748             // RasterPrinterJob.
 749             attributes.remove(DialogTypeSelection.class);
 750             newPage = pageDialog(attributes);
 751             // restore attribute
 752             attributes.add(DialogTypeSelection.NATIVE);
 753         } else {
 754             newPage = pageDialog(attributes);
 755         }
 756 
 757         if (newPage == null) {
 758             return page;
 759         } else {
 760             return newPage;
 761         }
 762     }
 763 
 764     /**
 765      * return a PageFormat corresponding to the updated attributes,
 766      * or null if the user cancelled the dialog.
 767      */
 768     @SuppressWarnings("deprecation")
 769     public PageFormat pageDialog(final PrintRequestAttributeSet attributes)
 770         throws HeadlessException {
 771         if (GraphicsEnvironment.isHeadless()) {
 772             throw new HeadlessException();
 773         }
 774 
 775         DialogTypeSelection dlg =
 776             (DialogTypeSelection)attributes.get(DialogTypeSelection.class);
 777 
 778         // Check for native, note that default dialog is COMMON.
 779         if (dlg == DialogTypeSelection.NATIVE) {
 780             PrintService pservice = getPrintService();
 781             PageFormat pageFrmAttrib = attributeToPageFormat(pservice,
 782                                                              attributes);
 783             PageFormat page = pageDialog(pageFrmAttrib);
 784 
 785             // If user cancels the dialog, pageDialog() will return the original
 786             // page object and as per spec, we should return null in that case.
 787             if (page == pageFrmAttrib) {
 788                 return null;
 789             }
 790             updateAttributesWithPageFormat(pservice, page, attributes);
 791             return page;
 792         }
 793 
 794         final GraphicsConfiguration gc =
 795             GraphicsEnvironment.getLocalGraphicsEnvironment().
 796             getDefaultScreenDevice().getDefaultConfiguration();
 797         Rectangle bounds = gc.getBounds();
 798         int x = bounds.x+bounds.width/3;
 799         int y = bounds.y+bounds.height/3;
 800 
 801         PrintService service = java.security.AccessController.doPrivileged(
 802                                new java.security.PrivilegedAction<PrintService>() {
 803                 public PrintService run() {
 804                     PrintService service = getPrintService();
 805                     if (service == null) {
 806                         ServiceDialog.showNoPrintService(gc);
 807                         return null;
 808                     }
 809                     return service;
 810                 }
 811             });
 812 
 813         if (service == null) {
 814             return null;
 815         }
 816 
 817         ServiceDialog pageDialog = new ServiceDialog(gc, x, y, service,
 818                                        DocFlavor.SERVICE_FORMATTED.PAGEABLE,
 819                                        attributes, (Frame)null);
 820         pageDialog.show();
 821 
 822         if (pageDialog.getStatus() == ServiceDialog.APPROVE) {
 823             PrintRequestAttributeSet newas =
 824                 pageDialog.getAttributes();
 825             Class<?> amCategory = SunAlternateMedia.class;
 826 
 827             if (attributes.containsKey(amCategory) &&
 828                 !newas.containsKey(amCategory)) {
 829                 attributes.remove(amCategory);
 830             }
 831             attributes.addAll(newas);
 832             return attributeToPageFormat(service, attributes);
 833         } else {
 834             return null;
 835         }
 836    }
 837 
 838    protected PageFormat getPageFormatFromAttributes() {
 839        if (attributes == null || attributes.isEmpty()) {
 840             return null;
 841         }
 842         return attributeToPageFormat(getPrintService(), this.attributes);
 843    }
 844 
 845 
 846    /**
 847      * Presents the user a dialog for changing properties of the
 848      * print job interactively.
 849      * The services browsable here are determined by the type of
 850      * service currently installed.
 851      * If the application installed a StreamPrintService on this
 852      * PrinterJob, only the available StreamPrintService (factories) are
 853      * browsable.
 854      *
 855      * @param attributes to store changed properties.
 856      * @return false if the user cancels the dialog and true otherwise.
 857      * @exception HeadlessException if GraphicsEnvironment.isHeadless()
 858      * returns true.
 859      * @see java.awt.GraphicsEnvironment#isHeadless
 860      */
 861     public boolean printDialog(final PrintRequestAttributeSet attributes)
 862         throws HeadlessException {
 863         if (GraphicsEnvironment.isHeadless()) {
 864             throw new HeadlessException();
 865         }
 866 
 867         DialogTypeSelection dlg =
 868             (DialogTypeSelection)attributes.get(DialogTypeSelection.class);
 869 
 870         // Check for native, note that default dialog is COMMON.
 871         if (dlg == DialogTypeSelection.NATIVE) {
 872             this.attributes = attributes;
 873             try {
 874                 debug_println("calling setAttributes in printDialog");
 875                 setAttributes(attributes);
 876 
 877             } catch (PrinterException e) {
 878 
 879             }
 880 
 881             boolean ret = printDialog();
 882             this.attributes = attributes;
 883             return ret;
 884 
 885         }
 886 
 887         /* A security check has already been performed in the
 888          * java.awt.print.printerJob.getPrinterJob method.
 889          * So by the time we get here, it is OK for the current thread
 890          * to print either to a file (from a Dialog we control!) or
 891          * to a chosen printer.
 892          *
 893          * We raise privilege when we put up the dialog, to avoid
 894          * the "warning applet window" banner.
 895          */
 896         GraphicsConfiguration grCfg = null;
 897         Window w = KeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow();
 898         if (w != null) {
 899             grCfg = w.getGraphicsConfiguration();
 900         } else {
 901             grCfg = GraphicsEnvironment.getLocalGraphicsEnvironment().
 902                         getDefaultScreenDevice().getDefaultConfiguration();      
 903         }
 904         final GraphicsConfiguration gc = grCfg;        
 905 
 906         PrintService service = java.security.AccessController.doPrivileged(
 907                                new java.security.PrivilegedAction<PrintService>() {
 908                 public PrintService run() {
 909                     PrintService service = getPrintService();
 910                     if (service == null) {
 911                         ServiceDialog.showNoPrintService(gc);
 912                         return null;
 913                     }
 914                     return service;
 915                 }
 916             });
 917 
 918         if (service == null) {
 919             return false;
 920         }
 921 
 922         PrintService[] services;
 923         StreamPrintServiceFactory[] spsFactories = null;
 924         if (service instanceof StreamPrintService) {
 925             spsFactories = lookupStreamPrintServices(null);
 926             services = new StreamPrintService[spsFactories.length];
 927             for (int i=0; i<spsFactories.length; i++) {
 928                 services[i] = spsFactories[i].getPrintService(null);
 929             }
 930         } else {
 931             services = java.security.AccessController.doPrivileged(
 932                        new java.security.PrivilegedAction<PrintService[]>() {
 933                 public PrintService[] run() {
 934                     PrintService[] services = PrinterJob.lookupPrintServices();
 935                     return services;
 936                 }
 937             });
 938 
 939             if ((services == null) || (services.length == 0)) {
 940                 /*
 941                  * No services but default PrintService exists?
 942                  * Create services using defaultService.
 943                  */
 944                 services = new PrintService[1];
 945                 services[0] = service;
 946             }
 947         }       
 948         
 949         // we position the dialog a little beyond the upper-left corner of the window
 950         // which is in consistent with the NATIVE print dialog
 951         int x = 50;
 952         int y = 50;
 953         PrintService newService;
 954         // temporarily add an attribute pointing back to this job.
 955         PrinterJobWrapper jobWrapper = new PrinterJobWrapper(this);
 956         attributes.add(jobWrapper);
 957         try {
 958             newService =
 959             ServiceUI.printDialog(gc, x, y,
 960                                   services, service,
 961                                   DocFlavor.SERVICE_FORMATTED.PAGEABLE,
 962                                   attributes);
 963         } catch (IllegalArgumentException iae) {
 964             newService = ServiceUI.printDialog(gc, x, y,
 965                                   services, services[0],
 966                                   DocFlavor.SERVICE_FORMATTED.PAGEABLE,
 967                                   attributes);
 968         }
 969         attributes.remove(PrinterJobWrapper.class);
 970 
 971         if (newService == null) {
 972             return false;
 973         }
 974 
 975         if (!service.equals(newService)) {
 976             try {
 977                 setPrintService(newService);
 978             } catch (PrinterException e) {
 979                 /*
 980                  * The only time it would throw an exception is when
 981                  * newService is no longer available but we should still
 982                  * select this printer.
 983                  */
 984                 myService = newService;
 985             }
 986         }
 987         return true;
 988     }
 989 
 990    /**
 991      * Presents the user a dialog for changing properties of the
 992      * print job interactively.
 993      * @return false if the user cancels the dialog and
 994      *         true otherwise.
 995      * @exception HeadlessException if GraphicsEnvironment.isHeadless()
 996      * returns true.
 997      * @see java.awt.GraphicsEnvironment#isHeadless
 998      */
 999     public boolean printDialog() throws HeadlessException {
1000 
1001         if (GraphicsEnvironment.isHeadless()) {
1002             throw new HeadlessException();
1003         }
1004 
1005         PrintRequestAttributeSet attributes =
1006           new HashPrintRequestAttributeSet();
1007         attributes.add(new Copies(getCopies()));
1008         attributes.add(new JobName(getJobName(), null));
1009         boolean doPrint = printDialog(attributes);
1010         if (doPrint) {
1011             JobName jobName = (JobName)attributes.get(JobName.class);
1012             if (jobName != null) {
1013                 setJobName(jobName.getValue());
1014             }
1015             Copies copies = (Copies)attributes.get(Copies.class);
1016             if (copies != null) {
1017                 setCopies(copies.getValue());
1018             }
1019 
1020             Destination dest = (Destination)attributes.get(Destination.class);
1021 
1022             if (dest != null) {
1023                 try {
1024                     mDestType = RasterPrinterJob.FILE;
1025                     mDestination = (new File(dest.getURI())).getPath();
1026                 } catch (Exception e) {
1027                     mDestination = "out.prn";
1028                     PrintService ps = getPrintService();
1029                     if (ps != null) {
1030                         Destination defaultDest = (Destination)ps.
1031                             getDefaultAttributeValue(Destination.class);
1032                         if (defaultDest != null) {
1033                             mDestination = (new File(defaultDest.getURI())).getPath();
1034                         }
1035                     }
1036                 }
1037             } else {
1038                 mDestType = RasterPrinterJob.PRINTER;
1039                 PrintService ps = getPrintService();
1040                 if (ps != null) {
1041                     mDestination = ps.getName();
1042                 }
1043             }
1044         }
1045 
1046         return doPrint;
1047     }
1048 
1049     /**
1050      * The pages in the document to be printed by this PrinterJob
1051      * are drawn by the Printable object 'painter'. The PageFormat
1052      * for each page is the default page format.
1053      * @param painter Called to render each page of the document.
1054      */
1055     public void setPrintable(Printable painter) {
1056         setPageable(new OpenBook(defaultPage(new PageFormat()), painter));
1057     }
1058 
1059     /**
1060      * The pages in the document to be printed by this PrinterJob
1061      * are drawn by the Printable object 'painter'. The PageFormat
1062      * of each page is 'format'.
1063      * @param painter Called to render each page of the document.
1064      * @param format  The size and orientation of each page to
1065      *                be printed.
1066      */
1067     public void setPrintable(Printable painter, PageFormat format) {
1068         setPageable(new OpenBook(format, painter));
1069         updatePageAttributes(getPrintService(), format);
1070     }
1071 
1072     /**
1073      * The pages in the document to be printed are held by the
1074      * Pageable instance 'document'. 'document' will be queried
1075      * for the number of pages as well as the PageFormat and
1076      * Printable for each page.
1077      * @param document The document to be printed. It may not be null.
1078      * @exception NullPointerException the Pageable passed in was null.
1079      * @see PageFormat
1080      * @see Printable
1081      */
1082     public void setPageable(Pageable document) throws NullPointerException {
1083         if (document != null) {
1084             mDocument = document;
1085 
1086         } else {
1087             throw new NullPointerException();
1088         }
1089     }
1090 
1091     protected void initPrinter() {
1092         return;
1093     }
1094 
1095     protected boolean isSupportedValue(Attribute attrval,
1096                                      PrintRequestAttributeSet attrset) {
1097         PrintService ps = getPrintService();
1098         return
1099             (attrval != null && ps != null &&
1100              ps.isAttributeValueSupported(attrval,
1101                                           DocFlavor.SERVICE_FORMATTED.PAGEABLE,
1102                                           attrset));
1103     }
1104 
1105     /**
1106      * Set the device resolution.
1107      * Overridden and used only by the postscript code.
1108      * Windows code pulls the information from the attribute set itself.
1109      */
1110     protected void setXYRes(double x, double y) {
1111     }
1112 
1113     /* subclasses may need to pull extra information out of the attribute set
1114      * They can override this method & call super.setAttributes()
1115      */
1116     protected  void setAttributes(PrintRequestAttributeSet attributes)
1117         throws PrinterException {
1118         /*  reset all values to defaults */
1119         setCollated(false);
1120         sidesAttr = null;
1121         printerResAttr = null;
1122         pageRangesAttr = null;
1123         copiesAttr = 0;
1124         jobNameAttr = null;
1125         userNameAttr = null;
1126         destinationAttr = null;
1127         collateAttReq = false;
1128 
1129         PrintService service = getPrintService();
1130         if (attributes == null  || service == null) {
1131             return;
1132         }
1133 
1134         boolean fidelity = false;
1135         Fidelity attrFidelity = (Fidelity)attributes.get(Fidelity.class);
1136         if (attrFidelity != null && attrFidelity == Fidelity.FIDELITY_TRUE) {
1137             fidelity = true;
1138         }
1139 
1140         if (fidelity == true) {
1141            AttributeSet unsupported =
1142                service.getUnsupportedAttributes(
1143                                          DocFlavor.SERVICE_FORMATTED.PAGEABLE,
1144                                          attributes);
1145            if (unsupported != null) {
1146                throw new PrinterException("Fidelity cannot be satisfied");
1147            }
1148         }
1149 
1150         /*
1151          * Since we have verified supported values if fidelity is true,
1152          * we can either ignore unsupported values, or substitute a
1153          * reasonable alternative
1154          */
1155 
1156         SheetCollate collateAttr =
1157             (SheetCollate)attributes.get(SheetCollate.class);
1158         if (isSupportedValue(collateAttr,  attributes)) {
1159             setCollated(collateAttr == SheetCollate.COLLATED);
1160         }
1161 
1162         sidesAttr = (Sides)attributes.get(Sides.class);
1163         if (!isSupportedValue(sidesAttr,  attributes)) {
1164             sidesAttr = Sides.ONE_SIDED;
1165         }
1166 
1167         printerResAttr = (PrinterResolution)attributes.get(PrinterResolution.class);
1168         if (service.isAttributeCategorySupported(PrinterResolution.class)) {
1169             if (!isSupportedValue(printerResAttr,  attributes)) {
1170                printerResAttr = (PrinterResolution)
1171                    service.getDefaultAttributeValue(PrinterResolution.class);
1172             }
1173             double xr =
1174                printerResAttr.getCrossFeedResolution(ResolutionSyntax.DPI);
1175             double yr = printerResAttr.getFeedResolution(ResolutionSyntax.DPI);
1176             setXYRes(xr, yr);
1177         }
1178 
1179         pageRangesAttr =  (PageRanges)attributes.get(PageRanges.class);
1180         if (!isSupportedValue(pageRangesAttr, attributes)) {
1181             pageRangesAttr = null;
1182         } else {
1183             if ((SunPageSelection)attributes.get(SunPageSelection.class)
1184                      == SunPageSelection.RANGE) {
1185                 // get to, from, min, max page ranges
1186                 int[][] range = pageRangesAttr.getMembers();
1187                 // setPageRanges uses 0-based indexing so we subtract 1
1188                 setPageRange(range[0][0] - 1, range[0][1] - 1);
1189             } else {
1190                setPageRange(-1, - 1);
1191             }
1192         }
1193 
1194         Copies copies = (Copies)attributes.get(Copies.class);
1195         if (isSupportedValue(copies,  attributes) ||
1196             (!fidelity && copies != null)) {
1197             copiesAttr = copies.getValue();
1198             setCopies(copiesAttr);
1199         } else {
1200             copiesAttr = getCopies();
1201         }
1202 
1203         Destination destination =
1204             (Destination)attributes.get(Destination.class);
1205 
1206         if (isSupportedValue(destination,  attributes)) {
1207             try {
1208                 // Old code (new File(destination.getURI())).getPath()
1209                 // would generate a "URI is not hierarchical" IAE
1210                 // for "file:out.prn" so we use getSchemeSpecificPart instead
1211                 destinationAttr = "" + new File(destination.getURI().
1212                                                 getSchemeSpecificPart());
1213             } catch (Exception e) { // paranoid exception
1214                 Destination defaultDest = (Destination)service.
1215                     getDefaultAttributeValue(Destination.class);
1216                 if (defaultDest != null) {
1217                     destinationAttr = "" + new File(defaultDest.getURI().
1218                                                 getSchemeSpecificPart());
1219                 }
1220             }
1221         }
1222 
1223         JobSheets jobSheets = (JobSheets)attributes.get(JobSheets.class);
1224         if (jobSheets != null) {
1225             noJobSheet = jobSheets == JobSheets.NONE;
1226         }
1227 
1228         JobName jobName = (JobName)attributes.get(JobName.class);
1229         if (isSupportedValue(jobName,  attributes) ||
1230             (!fidelity && jobName != null)) {
1231             jobNameAttr = jobName.getValue();
1232             setJobName(jobNameAttr);
1233         } else {
1234             jobNameAttr = getJobName();
1235         }
1236 
1237         RequestingUserName userName =
1238             (RequestingUserName)attributes.get(RequestingUserName.class);
1239         if (isSupportedValue(userName,  attributes) ||
1240             (!fidelity && userName != null)) {
1241             userNameAttr = userName.getValue();
1242         } else {
1243             try {
1244                 userNameAttr = getUserName();
1245             } catch (SecurityException e) {
1246                 userNameAttr = "";
1247             }
1248         }
1249 
1250         /* OpenBook is used internally only when app uses Printable.
1251          * This is the case when we use the values from the attribute set.
1252          */
1253         Media media = (Media)attributes.get(Media.class);
1254         OrientationRequested orientReq =
1255            (OrientationRequested)attributes.get(OrientationRequested.class);
1256         MediaPrintableArea mpa =
1257             (MediaPrintableArea)attributes.get(MediaPrintableArea.class);
1258 
1259         if ((orientReq != null || media != null || mpa != null) &&
1260             getPageable() instanceof OpenBook) {
1261 
1262             /* We could almost(!) use PrinterJob.getPageFormat() except
1263              * here we need to start with the PageFormat from the OpenBook :
1264              */
1265             Pageable pageable = getPageable();
1266             Printable printable = pageable.getPrintable(0);
1267             PageFormat pf = (PageFormat)pageable.getPageFormat(0).clone();
1268             Paper paper = pf.getPaper();
1269 
1270             /* If there's a media but no media printable area, we can try
1271              * to retrieve the default value for mpa and use that.
1272              */
1273             if (mpa == null && media != null &&
1274                 service.
1275                 isAttributeCategorySupported(MediaPrintableArea.class)) {
1276                 Object mpaVals = service.
1277                     getSupportedAttributeValues(MediaPrintableArea.class,
1278                                                 null, attributes);
1279                 if (mpaVals instanceof MediaPrintableArea[] &&
1280                     ((MediaPrintableArea[])mpaVals).length > 0) {
1281                     mpa = ((MediaPrintableArea[])mpaVals)[0];
1282                 }
1283             }
1284 
1285             if (isSupportedValue(orientReq, attributes) ||
1286                 (!fidelity && orientReq != null)) {
1287                 int orient;
1288                 if (orientReq.equals(OrientationRequested.REVERSE_LANDSCAPE)) {
1289                     orient = PageFormat.REVERSE_LANDSCAPE;
1290                 } else if (orientReq.equals(OrientationRequested.LANDSCAPE)) {
1291                     orient = PageFormat.LANDSCAPE;
1292                 } else {
1293                     orient = PageFormat.PORTRAIT;
1294                 }
1295                 pf.setOrientation(orient);
1296             }
1297 
1298             if (isSupportedValue(media, attributes) ||
1299                 (!fidelity && media != null)) {
1300                 if (media instanceof MediaSizeName) {
1301                     MediaSizeName msn = (MediaSizeName)media;
1302                     MediaSize msz = MediaSize.getMediaSizeForName(msn);
1303                     if (msz != null) {
1304                         float paperWid =  msz.getX(MediaSize.INCH) * 72.0f;
1305                         float paperHgt =  msz.getY(MediaSize.INCH) * 72.0f;
1306                         paper.setSize(paperWid, paperHgt);
1307                         if (mpa == null) {
1308                             paper.setImageableArea(72.0, 72.0,
1309                                                    paperWid-144.0,
1310                                                    paperHgt-144.0);
1311                         }
1312                     }
1313                 }
1314             }
1315 
1316             if (isSupportedValue(mpa, attributes) ||
1317                 (!fidelity && mpa != null)) {
1318                 float [] printableArea =
1319                     mpa.getPrintableArea(MediaPrintableArea.INCH);
1320                 for (int i=0; i < printableArea.length; i++) {
1321                     printableArea[i] = printableArea[i]*72.0f;
1322                 }
1323                 paper.setImageableArea(printableArea[0], printableArea[1],
1324                                        printableArea[2], printableArea[3]);
1325             }
1326 
1327             pf.setPaper(paper);
1328             pf = validatePage(pf);
1329             setPrintable(printable, pf);
1330         } else {
1331             // for AWT where pageable is not an instance of OpenBook,
1332             // we need to save paper info
1333             this.attributes = attributes;
1334         }
1335 
1336     }
1337 
1338     /*
1339      * Services we don't recognize as built-in services can't be
1340      * implemented as subclasses of PrinterJob, therefore we create
1341      * a DocPrintJob from their service and pass a Doc representing
1342      * the application's printjob
1343      */
1344 // MacOSX - made protected so subclasses can reference it.
1345     protected void spoolToService(PrintService psvc,
1346                                 PrintRequestAttributeSet attributes)
1347         throws PrinterException {
1348 
1349         if (psvc == null) {
1350             throw new PrinterException("No print service found.");
1351         }
1352 
1353         DocPrintJob job = psvc.createPrintJob();
1354         Doc doc = new PageableDoc(getPageable());
1355         if (attributes == null) {
1356             attributes = new HashPrintRequestAttributeSet();
1357         }
1358         try {
1359             job.print(doc, attributes);
1360         } catch (PrintException e) {
1361             throw new PrinterException(e.toString());
1362         }
1363     }
1364 
1365     /**
1366      * Prints a set of pages.
1367      * @exception java.awt.print.PrinterException an error in the print system
1368      *                                          caused the job to be aborted
1369      * @see java.awt.print.Book
1370      * @see java.awt.print.Pageable
1371      * @see java.awt.print.Printable
1372      */
1373     public void print() throws PrinterException {
1374         print(attributes);
1375     }
1376 
1377     public static boolean debugPrint = false;
1378     protected void debug_println(String str) {
1379         if (debugPrint) {
1380             System.out.println("RasterPrinterJob "+str+" "+this);
1381         }
1382     }
1383 
1384     public void print(PrintRequestAttributeSet attributes)
1385         throws PrinterException {
1386 
1387         /*
1388          * In the future PrinterJob will probably always dispatch
1389          * the print job to the PrintService.
1390          * This is how third party 2D Print Services will be invoked
1391          * when applications use the PrinterJob API.
1392          * However the JRE's concrete PrinterJob implementations have
1393          * not yet been re-worked to be implemented as standalone
1394          * services, and are implemented only as subclasses of PrinterJob.
1395          * So here we dispatch only those services we do not recognize
1396          * as implemented through platform subclasses of PrinterJob
1397          * (and this class).
1398          */
1399         PrintService psvc = getPrintService();
1400         debug_println("psvc = "+psvc);
1401         if (psvc == null) {
1402             throw new PrinterException("No print service found.");
1403         }
1404 
1405         // Check the list of services.  This service may have been
1406         // deleted already
1407         PrinterState prnState = psvc.getAttribute(PrinterState.class);
1408         if (prnState == PrinterState.STOPPED) {
1409             PrinterStateReasons prnStateReasons =
1410                     psvc.getAttribute(PrinterStateReasons.class);
1411                 if ((prnStateReasons != null) &&
1412                     (prnStateReasons.containsKey(PrinterStateReason.SHUTDOWN)))
1413                 {
1414                     throw new PrinterException("PrintService is no longer available.");
1415                 }
1416         }
1417 
1418         if ((psvc.getAttribute(PrinterIsAcceptingJobs.class)) ==
1419                          PrinterIsAcceptingJobs.NOT_ACCEPTING_JOBS) {
1420             throw new PrinterException("Printer is not accepting job.");
1421         }
1422 
1423         if ((psvc instanceof SunPrinterJobService) &&
1424             ((SunPrinterJobService)psvc).usesClass(getClass())) {
1425             setAttributes(attributes);
1426             // throw exception for invalid destination
1427             if (destinationAttr != null) {
1428                 validateDestination(destinationAttr);
1429             }
1430         } else {
1431             spoolToService(psvc, attributes);
1432             return;
1433         }
1434         /* We need to make sure that the collation and copies
1435          * settings are initialised */
1436         initPrinter();
1437 
1438         int numCollatedCopies = getCollatedCopies();
1439         int numNonCollatedCopies = getNoncollatedCopies();
1440         debug_println("getCollatedCopies()  "+numCollatedCopies
1441               + " getNoncollatedCopies() "+ numNonCollatedCopies);
1442 
1443         /* Get the range of pages we are to print. If the
1444          * last page to print is unknown, then we print to
1445          * the end of the document. Note that firstPage
1446          * and lastPage are 0 based page indices.
1447          */
1448         int numPages = mDocument.getNumberOfPages();
1449         if (numPages == 0) {
1450             return;
1451         }
1452 
1453         int firstPage = getFirstPage();
1454         int lastPage = getLastPage();
1455         if(lastPage == Pageable.UNKNOWN_NUMBER_OF_PAGES){
1456             int totalPages = mDocument.getNumberOfPages();
1457             if (totalPages != Pageable.UNKNOWN_NUMBER_OF_PAGES) {
1458                 lastPage = mDocument.getNumberOfPages() - 1;
1459             }
1460         }
1461 
1462         try {
1463             synchronized (this) {
1464                 performingPrinting = true;
1465                 userCancelled = false;
1466             }
1467 
1468             startDoc();
1469             if (isCancelled()) {
1470                 cancelDoc();
1471             }
1472 
1473             // PageRanges can be set even if RANGE is not selected
1474             // so we need to check if it is selected.
1475             boolean rangeIsSelected = true;
1476             if (attributes != null) {
1477                 SunPageSelection pages =
1478                     (SunPageSelection)attributes.get(SunPageSelection.class);
1479                 if ((pages != null) && (pages != SunPageSelection.RANGE)) {
1480                     rangeIsSelected = false;
1481                 }
1482             }
1483 
1484 
1485             debug_println("after startDoc rangeSelected? "+rangeIsSelected
1486                       + " numNonCollatedCopies "+ numNonCollatedCopies);
1487 
1488 
1489             /* Three nested loops iterate over the document. The outer loop
1490              * counts the number of collated copies while the inner loop
1491              * counts the number of nonCollated copies. Normally, one of
1492              * these two loops will only execute once; that is we will
1493              * either print collated copies or noncollated copies. The
1494              * middle loop iterates over the pages.
1495              * If a PageRanges attribute is used, it constrains the pages
1496              * that are imaged. If a platform subclass (though a user dialog)
1497              * requests a page range via setPageRange(). it too can
1498              * constrain the page ranges that are imaged.
1499              * It is expected that only one of these will be used in a
1500              * job but both should be able to co-exist.
1501              */
1502             for(int collated = 0; collated < numCollatedCopies; collated++) {
1503                 for(int i = firstPage, pageResult = Printable.PAGE_EXISTS;
1504                     (i <= lastPage ||
1505                      lastPage == Pageable.UNKNOWN_NUMBER_OF_PAGES)
1506                     && pageResult == Printable.PAGE_EXISTS;
1507                     i++)
1508                 {
1509 
1510                     if ((pageRangesAttr != null) && rangeIsSelected ){
1511                         int nexti = pageRangesAttr.next(i);
1512                         if (nexti == -1) {
1513                             break;
1514                         } else if (nexti != i+1) {
1515                             continue;
1516                         }
1517                     }
1518 
1519                     for(int nonCollated = 0;
1520                         nonCollated < numNonCollatedCopies
1521                         && pageResult == Printable.PAGE_EXISTS;
1522                         nonCollated++)
1523                     {
1524                         if (isCancelled()) {
1525                             cancelDoc();
1526                         }
1527                         debug_println("printPage "+i);
1528                         pageResult = printPage(mDocument, i);
1529 
1530                     }
1531                 }
1532             }
1533 
1534             if (isCancelled()) {
1535                 cancelDoc();
1536             }
1537 
1538         } finally {
1539             // reset previousPaper in case this job is invoked again.
1540             previousPaper = null;
1541             synchronized (this) {
1542                 if (performingPrinting) {
1543                     endDoc();
1544                 }
1545                 performingPrinting = false;
1546                 notify();
1547             }
1548         }
1549     }
1550 
1551     protected void validateDestination(String dest) throws PrinterException {
1552         if (dest == null) {
1553             return;
1554         }
1555         // dest is null for Destination(new URI(""))
1556         // because isAttributeValueSupported returns false in setAttributes
1557 
1558         // Destination(new URI(" ")) throws URISyntaxException
1559         File f = new File(dest);
1560         try {
1561             // check if this is a new file and if filename chars are valid
1562             if (f.createNewFile()) {
1563                 f.delete();
1564             }
1565         } catch (IOException ioe) {
1566             throw new PrinterException("Cannot write to file:"+
1567                                        dest);
1568         } catch (SecurityException se) {
1569             //There is already file read/write access so at this point
1570             // only delete access is denied.  Just ignore it because in
1571             // most cases the file created in createNewFile gets overwritten
1572             // anyway.
1573         }
1574 
1575         File pFile = f.getParentFile();
1576         if ((f.exists() &&
1577              (!f.isFile() || !f.canWrite())) ||
1578             ((pFile != null) &&
1579              (!pFile.exists() || (pFile.exists() && !pFile.canWrite())))) {
1580             throw new PrinterException("Cannot write to file:"+
1581                                        dest);
1582         }
1583     }
1584 
1585     /**
1586      * updates a Paper object to reflect the current printer's selected
1587      * paper size and imageable area for that paper size.
1588      * Default implementation copies settings from the original, applies
1589      * applies some validity checks, changes them only if they are
1590      * clearly unreasonable, then sets them into the new Paper.
1591      * Subclasses are expected to override this method to make more
1592      * informed decisons.
1593      */
1594     protected void validatePaper(Paper origPaper, Paper newPaper) {
1595         if (origPaper == null || newPaper == null) {
1596             return;
1597         } else {
1598             double wid = origPaper.getWidth();
1599             double hgt = origPaper.getHeight();
1600             double ix = origPaper.getImageableX();
1601             double iy = origPaper.getImageableY();
1602             double iw = origPaper.getImageableWidth();
1603             double ih = origPaper.getImageableHeight();
1604 
1605             /* Assume any +ve values are legal. Overall paper dimensions
1606              * take precedence. Make sure imageable area fits on the paper.
1607              */
1608             Paper defaultPaper = new Paper();
1609             wid = ((wid > 0.0) ? wid : defaultPaper.getWidth());
1610             hgt = ((hgt > 0.0) ? hgt : defaultPaper.getHeight());
1611             ix = ((ix > 0.0) ? ix : defaultPaper.getImageableX());
1612             iy = ((iy > 0.0) ? iy : defaultPaper.getImageableY());
1613             iw = ((iw > 0.0) ? iw : defaultPaper.getImageableWidth());
1614             ih = ((ih > 0.0) ? ih : defaultPaper.getImageableHeight());
1615             /* full width/height is not likely to be imageable, but since we
1616              * don't know the limits we have to allow it
1617              */
1618             if (iw > wid) {
1619                 iw = wid;
1620             }
1621             if (ih > hgt) {
1622                 ih = hgt;
1623             }
1624             if ((ix + iw) > wid) {
1625                 ix = wid - iw;
1626             }
1627             if ((iy + ih) > hgt) {
1628                 iy = hgt - ih;
1629             }
1630             newPaper.setSize(wid, hgt);
1631             newPaper.setImageableArea(ix, iy, iw, ih);
1632         }
1633     }
1634 
1635     /**
1636      * The passed in PageFormat will be copied and altered to describe
1637      * the default page size and orientation of the PrinterJob's
1638      * current printer.
1639      * Platform subclasses which can access the actual default paper size
1640      * for a printer may override this method.
1641      */
1642     public PageFormat defaultPage(PageFormat page) {
1643         PageFormat newPage = (PageFormat)page.clone();
1644         newPage.setOrientation(PageFormat.PORTRAIT);
1645         Paper newPaper = new Paper();
1646         double ptsPerInch = 72.0;
1647         double w, h;
1648         Media media = null;
1649 
1650         PrintService service = getPrintService();
1651         if (service != null) {
1652             MediaSize size;
1653             media =
1654                 (Media)service.getDefaultAttributeValue(Media.class);
1655 
1656             if (media instanceof MediaSizeName &&
1657                ((size = MediaSize.getMediaSizeForName((MediaSizeName)media)) !=
1658                 null)) {
1659                 w =  size.getX(MediaSize.INCH) * ptsPerInch;
1660                 h =  size.getY(MediaSize.INCH) * ptsPerInch;
1661                 newPaper.setSize(w, h);
1662                 newPaper.setImageableArea(ptsPerInch, ptsPerInch,
1663                                           w - 2.0*ptsPerInch,
1664                                           h - 2.0*ptsPerInch);
1665                 newPage.setPaper(newPaper);
1666                 return newPage;
1667 
1668             }
1669         }
1670 
1671         /* Default to A4 paper outside North America.
1672          */
1673         String defaultCountry = Locale.getDefault().getCountry();
1674         if (!Locale.getDefault().equals(Locale.ENGLISH) && // ie "C"
1675             defaultCountry != null &&
1676             !defaultCountry.equals(Locale.US.getCountry()) &&
1677             !defaultCountry.equals(Locale.CANADA.getCountry())) {
1678 
1679             double mmPerInch = 25.4;
1680             w = Math.rint((210.0*ptsPerInch)/mmPerInch);
1681             h = Math.rint((297.0*ptsPerInch)/mmPerInch);
1682             newPaper.setSize(w, h);
1683             newPaper.setImageableArea(ptsPerInch, ptsPerInch,
1684                                       w - 2.0*ptsPerInch,
1685                                       h - 2.0*ptsPerInch);
1686         }
1687 
1688         newPage.setPaper(newPaper);
1689 
1690         return newPage;
1691     }
1692 
1693     /**
1694      * The passed in PageFormat is cloned and altered to be usable on
1695      * the PrinterJob's current printer.
1696      */
1697     public PageFormat validatePage(PageFormat page) {
1698         PageFormat newPage = (PageFormat)page.clone();
1699         Paper newPaper = new Paper();
1700         validatePaper(newPage.getPaper(), newPaper);
1701         newPage.setPaper(newPaper);
1702 
1703         return newPage;
1704     }
1705 
1706     /**
1707      * Set the number of copies to be printed.
1708      */
1709     public void setCopies(int copies) {
1710         mNumCopies = copies;
1711     }
1712 
1713     /**
1714      * Get the number of copies to be printed.
1715      */
1716     public int getCopies() {
1717         return mNumCopies;
1718     }
1719 
1720    /* Used when executing a print job where an attribute set may
1721      * over ride API values.
1722      */
1723     protected int getCopiesInt() {
1724         return (copiesAttr > 0) ? copiesAttr : getCopies();
1725     }
1726 
1727     /**
1728      * Get the name of the printing user.
1729      * The caller must have security permission to read system properties.
1730      */
1731     public String getUserName() {
1732         return System.getProperty("user.name");
1733     }
1734 
1735    /* Used when executing a print job where an attribute set may
1736      * over ride API values.
1737      */
1738     protected String getUserNameInt() {
1739         if  (userNameAttr != null) {
1740             return userNameAttr;
1741         } else {
1742             try {
1743                 return  getUserName();
1744             } catch (SecurityException e) {
1745                 return "";
1746             }
1747         }
1748     }
1749 
1750     /**
1751      * Set the name of the document to be printed.
1752      * The document name can not be null.
1753      */
1754     public void setJobName(String jobName) {
1755         if (jobName != null) {
1756             mDocName = jobName;
1757         } else {
1758             throw new NullPointerException();
1759         }
1760     }
1761 
1762     /**
1763      * Get the name of the document to be printed.
1764      */
1765     public String getJobName() {
1766         return mDocName;
1767     }
1768 
1769     /* Used when executing a print job where an attribute set may
1770      * over ride API values.
1771      */
1772     protected String getJobNameInt() {
1773         return (jobNameAttr != null) ? jobNameAttr : getJobName();
1774     }
1775 
1776     /**
1777      * Set the range of pages from a Book to be printed.
1778      * Both 'firstPage' and 'lastPage' are zero based
1779      * page indices. If either parameter is less than
1780      * zero then the page range is set to be from the
1781      * first page to the last.
1782      */
1783     protected void setPageRange(int firstPage, int lastPage) {
1784         if(firstPage >= 0 && lastPage >= 0) {
1785             mFirstPage = firstPage;
1786             mLastPage = lastPage;
1787             if(mLastPage < mFirstPage) mLastPage = mFirstPage;
1788         } else {
1789             mFirstPage = Pageable.UNKNOWN_NUMBER_OF_PAGES;
1790             mLastPage = Pageable.UNKNOWN_NUMBER_OF_PAGES;
1791         }
1792     }
1793 
1794     /**
1795      * Return the zero based index of the first page to
1796      * be printed in this job.
1797      */
1798     protected int getFirstPage() {
1799         return mFirstPage == Book.UNKNOWN_NUMBER_OF_PAGES ? 0 : mFirstPage;
1800     }
1801 
1802     /**
1803      * Return the zero based index of the last page to
1804      * be printed in this job.
1805      */
1806     protected int getLastPage() {
1807         return mLastPage;
1808     }
1809 
1810     /**
1811      * Set whether copies should be collated or not.
1812      * Two collated copies of a three page document
1813      * print in this order: 1, 2, 3, 1, 2, 3 while
1814      * uncollated copies print in this order:
1815      * 1, 1, 2, 2, 3, 3.
1816      * This is set when request is using an attribute set.
1817      */
1818     protected void setCollated(boolean collate) {
1819         mCollate = collate;
1820         collateAttReq = true;
1821     }
1822 
1823     /**
1824      * Return true if collated copies will be printed as determined
1825      * in an attribute set.
1826      */
1827     protected boolean isCollated() {
1828             return mCollate;
1829     }
1830 
1831     protected final int getSelectAttrib() {
1832         if (attributes != null) {
1833             SunPageSelection pages =
1834                 (SunPageSelection)attributes.get(SunPageSelection.class);
1835             if (pages == SunPageSelection.RANGE) {
1836                 return PD_PAGENUMS;
1837             } else if (pages == SunPageSelection.SELECTION) {
1838                 return PD_SELECTION;
1839             } else if (pages ==  SunPageSelection.ALL) {
1840                 return PD_ALLPAGES;
1841             }
1842         }
1843         return PD_NOSELECTION;
1844     }
1845 
1846     //returns 1-based index for "From" page
1847     protected final int getFromPageAttrib() {
1848         if (attributes != null) {
1849             PageRanges pageRangesAttr =
1850                 (PageRanges)attributes.get(PageRanges.class);
1851             if (pageRangesAttr != null) {
1852                 int[][] range = pageRangesAttr.getMembers();
1853                 return range[0][0];
1854             }
1855         }
1856         return getMinPageAttrib();
1857     }
1858 
1859     //returns 1-based index for "To" page
1860     protected final int getToPageAttrib() {
1861         if (attributes != null) {
1862             PageRanges pageRangesAttr =
1863                 (PageRanges)attributes.get(PageRanges.class);
1864             if (pageRangesAttr != null) {
1865                 int[][] range = pageRangesAttr.getMembers();
1866                 return range[range.length-1][1];
1867             }
1868         }
1869         return getMaxPageAttrib();
1870     }
1871 
1872     protected final int getMinPageAttrib() {
1873         if (attributes != null) {
1874             SunMinMaxPage s =
1875                 (SunMinMaxPage)attributes.get(SunMinMaxPage.class);
1876             if (s != null) {
1877                 return s.getMin();
1878             }
1879         }
1880         return 1;
1881     }
1882 
1883     protected final int getMaxPageAttrib() {
1884         if (attributes != null) {
1885             SunMinMaxPage s =
1886                 (SunMinMaxPage)attributes.get(SunMinMaxPage.class);
1887             if (s != null) {
1888                 return s.getMax();
1889             }
1890         }
1891 
1892         Pageable pageable = getPageable();
1893         if (pageable != null) {
1894             int numPages = pageable.getNumberOfPages();
1895             if (numPages <= Pageable.UNKNOWN_NUMBER_OF_PAGES) {
1896                 numPages = MAX_UNKNOWN_PAGES;
1897             }
1898             return  ((numPages == 0) ? 1 : numPages);
1899         }
1900 
1901         return Integer.MAX_VALUE;
1902     }
1903     /**
1904      * Called by the print() method at the start of
1905      * a print job.
1906      */
1907     protected abstract void startDoc() throws PrinterException;
1908 
1909     /**
1910      * Called by the print() method at the end of
1911      * a print job.
1912      */
1913     protected abstract void endDoc() throws PrinterException;
1914 
1915     /* Called by cancelDoc */
1916     protected abstract void abortDoc();
1917 
1918 // MacOSX - made protected so subclasses can reference it.
1919     protected void cancelDoc() throws PrinterAbortException {
1920         abortDoc();
1921         synchronized (this) {
1922             userCancelled = false;
1923             performingPrinting = false;
1924             notify();
1925         }
1926         throw new PrinterAbortException();
1927     }
1928 
1929     /**
1930      * Returns how many times the entire book should
1931      * be printed by the PrintJob. If the printer
1932      * itself supports collation then this method
1933      * should return 1 indicating that the entire
1934      * book need only be printed once and the copies
1935      * will be collated and made in the printer.
1936      */
1937     protected int getCollatedCopies() {
1938         return isCollated() ? getCopiesInt() : 1;
1939     }
1940 
1941     /**
1942      * Returns how many times each page in the book
1943      * should be consecutively printed by PrintJob.
1944      * If the printer makes copies itself then this
1945      * method should return 1.
1946      */
1947     protected int getNoncollatedCopies() {
1948         return isCollated() ? 1 : getCopiesInt();
1949     }
1950 
1951 
1952     /* The printer graphics config is cached on the job, so that it can
1953      * be created once, and updated only as needed (for now only to change
1954      * the bounds if when using a Pageable the page sizes changes).
1955      */
1956 
1957     private int deviceWidth, deviceHeight;
1958     private AffineTransform defaultDeviceTransform;
1959     private PrinterGraphicsConfig pgConfig;
1960 
1961     synchronized void setGraphicsConfigInfo(AffineTransform at,
1962                                             double pw, double ph) {
1963         Point2D.Double pt = new Point2D.Double(pw, ph);
1964         at.transform(pt, pt);
1965 
1966         if (pgConfig == null ||
1967             defaultDeviceTransform == null ||
1968             !at.equals(defaultDeviceTransform) ||
1969             deviceWidth != (int)pt.getX() ||
1970             deviceHeight != (int)pt.getY()) {
1971 
1972                 deviceWidth = (int)pt.getX();
1973                 deviceHeight = (int)pt.getY();
1974                 defaultDeviceTransform = at;
1975                 pgConfig = null;
1976         }
1977     }
1978 
1979     synchronized PrinterGraphicsConfig getPrinterGraphicsConfig() {
1980         if (pgConfig != null) {
1981             return pgConfig;
1982         }
1983         String deviceID = "Printer Device";
1984         PrintService service = getPrintService();
1985         if (service != null) {
1986             deviceID = service.toString();
1987         }
1988         pgConfig = new PrinterGraphicsConfig(deviceID,
1989                                              defaultDeviceTransform,
1990                                              deviceWidth, deviceHeight);
1991         return pgConfig;
1992     }
1993 
1994     /**
1995      * Print a page from the provided document.
1996      * @return int Printable.PAGE_EXISTS if the page existed and was drawn and
1997      *             Printable.NO_SUCH_PAGE if the page did not exist.
1998      * @see java.awt.print.Printable
1999      */
2000     protected int printPage(Pageable document, int pageIndex)
2001         throws PrinterException
2002     {
2003         PageFormat page;
2004         PageFormat origPage;
2005         Printable painter;
2006         try {
2007             origPage = document.getPageFormat(pageIndex);
2008             page = (PageFormat)origPage.clone();
2009             painter = document.getPrintable(pageIndex);
2010         } catch (Exception e) {
2011             PrinterException pe =
2012                     new PrinterException("Error getting page or printable.[ " +
2013                                           e +" ]");
2014             pe.initCause(e);
2015             throw pe;
2016         }
2017 
2018         /* Get the imageable area from Paper instead of PageFormat
2019          * because we do not want it adjusted by the page orientation.
2020          */
2021         Paper paper = page.getPaper();
2022         // if non-portrait and 270 degree landscape rotation
2023         if (page.getOrientation() != PageFormat.PORTRAIT &&
2024             landscapeRotates270) {
2025 
2026             double left = paper.getImageableX();
2027             double top = paper.getImageableY();
2028             double width = paper.getImageableWidth();
2029             double height = paper.getImageableHeight();
2030             paper.setImageableArea(paper.getWidth()-left-width,
2031                                    paper.getHeight()-top-height,
2032                                    width, height);
2033             page.setPaper(paper);
2034             if (page.getOrientation() == PageFormat.LANDSCAPE) {
2035                 page.setOrientation(PageFormat.REVERSE_LANDSCAPE);
2036             } else {
2037                 page.setOrientation(PageFormat.LANDSCAPE);
2038             }
2039         }
2040 
2041         double xScale = getXRes() / 72.0;
2042         double yScale = getYRes() / 72.0;
2043 
2044         /* The deviceArea is the imageable area in the printer's
2045          * resolution.
2046          */
2047         Rectangle2D deviceArea =
2048             new Rectangle2D.Double(paper.getImageableX() * xScale,
2049                                    paper.getImageableY() * yScale,
2050                                    paper.getImageableWidth() * xScale,
2051                                    paper.getImageableHeight() * yScale);
2052 
2053         /* Build and hold on to a uniform transform so that
2054          * we can get back to device space at the beginning
2055          * of each band.
2056          */
2057         AffineTransform uniformTransform = new AffineTransform();
2058 
2059         /* The scale transform is used to switch from the
2060          * device space to the user's 72 dpi space.
2061          */
2062         AffineTransform scaleTransform = new AffineTransform();
2063         scaleTransform.scale(xScale, yScale);
2064 
2065         /* bandwidth is multiple of 4 as the data is used in a win32 DIB and
2066          * some drivers behave badly if scanlines aren't multiples of 4 bytes.
2067          */
2068         int bandWidth = (int) deviceArea.getWidth();
2069         if (bandWidth % 4 != 0) {
2070             bandWidth += (4 - (bandWidth % 4));
2071         }
2072         if (bandWidth <= 0) {
2073             throw new PrinterException("Paper's imageable width is too small.");
2074         }
2075 
2076         int deviceAreaHeight = (int)deviceArea.getHeight();
2077         if (deviceAreaHeight <= 0) {
2078             throw new PrinterException("Paper's imageable height is too small.");
2079         }
2080 
2081         /* Figure out the number of lines that will fit into
2082          * our maximum band size. The hard coded 3 reflects the
2083          * fact that we can only create 24 bit per pixel 3 byte BGR
2084          * BufferedImages. FIX.
2085          */
2086         int bandHeight = (MAX_BAND_SIZE / bandWidth / 3);
2087 
2088         int deviceLeft = (int)Math.rint(paper.getImageableX() * xScale);
2089         int deviceTop  = (int)Math.rint(paper.getImageableY() * yScale);
2090 
2091         /* The device transform is used to move the band down
2092          * the page using translates. Normally this is all it
2093          * would do, but since, when printing, the Window's
2094          * DIB format wants the last line to be first (lowest) in
2095          * memory, the deviceTransform moves the origin to the
2096          * bottom of the band and flips the origin. This way the
2097          * app prints upside down into the band which is the DIB
2098          * format.
2099          */
2100         AffineTransform deviceTransform = new AffineTransform();
2101         deviceTransform.translate(-deviceLeft, deviceTop);
2102         deviceTransform.translate(0, bandHeight);
2103         deviceTransform.scale(1, -1);
2104 
2105         /* Create a BufferedImage to hold the band. We set the clip
2106          * of the band to be tight around the bits so that the
2107          * application can use it to figure what part of the
2108          * page needs to be drawn. The clip is never altered in
2109          * this method, but we do translate the band's coordinate
2110          * system so that the app will see the clip moving down the
2111          * page though it s always around the same set of pixels.
2112          */
2113         BufferedImage pBand = new BufferedImage(1, 1,
2114                                                 BufferedImage.TYPE_3BYTE_BGR);
2115 
2116         /* Have the app draw into a PeekGraphics object so we can
2117          * learn something about the needs of the print job.
2118          */
2119 
2120         PeekGraphics peekGraphics = createPeekGraphics(pBand.createGraphics(),
2121                                                        this);
2122 
2123         Rectangle2D.Double pageFormatArea =
2124             new Rectangle2D.Double(page.getImageableX(),
2125                                    page.getImageableY(),
2126                                    page.getImageableWidth(),
2127                                    page.getImageableHeight());
2128         peekGraphics.transform(scaleTransform);
2129         peekGraphics.translate(-getPhysicalPrintableX(paper) / xScale,
2130                                -getPhysicalPrintableY(paper) / yScale);
2131         peekGraphics.transform(new AffineTransform(page.getMatrix()));
2132         initPrinterGraphics(peekGraphics, pageFormatArea);
2133         AffineTransform pgAt = peekGraphics.getTransform();
2134 
2135         /* Update the information used to return a GraphicsConfiguration
2136          * for this printer device. It needs to be updated per page as
2137          * not all pages in a job may be the same size (different bounds)
2138          * The transform is the scaling transform as this corresponds to
2139          * the default transform for the device. The width and height are
2140          * those of the paper, not the page format, as we want to describe
2141          * the bounds of the device in its natural coordinate system of
2142          * device coordinate whereas a page format may be in a rotated context.
2143          */
2144         setGraphicsConfigInfo(scaleTransform,
2145                               paper.getWidth(), paper.getHeight());
2146         int pageResult = painter.print(peekGraphics, origPage, pageIndex);
2147         debug_println("pageResult "+pageResult);
2148         if (pageResult == Printable.PAGE_EXISTS) {
2149             debug_println("startPage "+pageIndex);
2150 
2151             /* We need to check if the paper size is changed.
2152              * Note that it is not sufficient to ask for the pageformat
2153              * of "pageIndex-1", since PageRanges mean that pages can be
2154              * skipped. So we have to look at the actual last paper size used.
2155              */
2156             Paper thisPaper = page.getPaper();
2157             boolean paperChanged =
2158                 previousPaper == null ||
2159                 thisPaper.getWidth() != previousPaper.getWidth() ||
2160                 thisPaper.getHeight() != previousPaper.getHeight();
2161             previousPaper = thisPaper;
2162 
2163             startPage(page, painter, pageIndex, paperChanged);
2164             Graphics2D pathGraphics = createPathGraphics(peekGraphics, this,
2165                                                          painter, page,
2166                                                          pageIndex);
2167 
2168             /* If we can convert the page directly to the
2169              * underlying graphics system then we do not
2170              * need to rasterize. We also may not need to
2171              * create the 'band' if all the pages can take
2172              * this path.
2173              */
2174             if (pathGraphics != null) {
2175                 pathGraphics.transform(scaleTransform);
2176                 // user (0,0) should be origin of page, not imageable area
2177                 pathGraphics.translate(-getPhysicalPrintableX(paper) / xScale,
2178                                        -getPhysicalPrintableY(paper) / yScale);
2179                 pathGraphics.transform(new AffineTransform(page.getMatrix()));
2180                 initPrinterGraphics(pathGraphics, pageFormatArea);
2181 
2182                 redrawList.clear();
2183 
2184                 AffineTransform initialTx = pathGraphics.getTransform();
2185 
2186                 painter.print(pathGraphics, origPage, pageIndex);
2187 
2188                 for (int i=0;i<redrawList.size();i++) {
2189                    GraphicsState gstate = redrawList.get(i);
2190                    pathGraphics.setTransform(initialTx);
2191                    ((PathGraphics)pathGraphics).redrawRegion(
2192                                                          gstate.region,
2193                                                          gstate.sx,
2194                                                          gstate.sy,
2195                                                          gstate.theClip,
2196                                                          gstate.theTransform);
2197                 }
2198 
2199             /* This is the banded-raster printing loop.
2200              * It should be moved into its own method.
2201              */
2202             } else {
2203                 BufferedImage band = cachedBand;
2204                 if (cachedBand == null ||
2205                     bandWidth != cachedBandWidth ||
2206                     bandHeight != cachedBandHeight) {
2207                     band = new BufferedImage(bandWidth, bandHeight,
2208                                              BufferedImage.TYPE_3BYTE_BGR);
2209                     cachedBand = band;
2210                     cachedBandWidth = bandWidth;
2211                     cachedBandHeight = bandHeight;
2212                 }
2213                 Graphics2D bandGraphics = band.createGraphics();
2214 
2215                 Rectangle2D.Double clipArea =
2216                     new Rectangle2D.Double(0, 0, bandWidth, bandHeight);
2217 
2218                 initPrinterGraphics(bandGraphics, clipArea);
2219 
2220                 ProxyGraphics2D painterGraphics =
2221                     new ProxyGraphics2D(bandGraphics, this);
2222 
2223                 Graphics2D clearGraphics = band.createGraphics();
2224                 clearGraphics.setColor(Color.white);
2225 
2226                 /* We need the actual bits of the BufferedImage to send to
2227                  * the native Window's code. 'data' points to the actual
2228                  * pixels. Right now these are in ARGB format with 8 bits
2229                  * per component. We need to use a monochrome BufferedImage
2230                  * for monochrome printers when this is supported by
2231                  * BufferedImage. FIX
2232                  */
2233                 ByteInterleavedRaster tile = (ByteInterleavedRaster)band.getRaster();
2234                 byte[] data = tile.getDataStorage();
2235 
2236                 /* Loop over the page moving our band down the page,
2237                  * calling the app to render the band, and then send the band
2238                  * to the printer.
2239                  */
2240                 int deviceBottom = deviceTop + deviceAreaHeight;
2241 
2242                 /* device's printable x,y is really addressable origin
2243                  * we address relative to media origin so when we print a
2244                  * band we need to adjust for the different methods of
2245                  * addressing it.
2246                  */
2247                 int deviceAddressableX = (int)getPhysicalPrintableX(paper);
2248                 int deviceAddressableY = (int)getPhysicalPrintableY(paper);
2249 
2250                 for (int bandTop = 0; bandTop <= deviceAreaHeight;
2251                      bandTop += bandHeight)
2252                 {
2253 
2254                     /* Put the band back into device space and
2255                      * erase the contents of the band.
2256                      */
2257                     clearGraphics.fillRect(0, 0, bandWidth, bandHeight);
2258 
2259                     /* Put the band into the correct location on the
2260                      * page. Once the band is moved we translate the
2261                      * device transform so that the band will move down
2262                      * the page on the next iteration of the loop.
2263                      */
2264                     bandGraphics.setTransform(uniformTransform);
2265                     bandGraphics.transform(deviceTransform);
2266                     deviceTransform.translate(0, -bandHeight);
2267 
2268                     /* Switch the band from device space to user,
2269                      * 72 dpi, space.
2270                      */
2271                     bandGraphics.transform(scaleTransform);
2272                     bandGraphics.transform(new AffineTransform(page.getMatrix()));
2273 
2274                     Rectangle clip = bandGraphics.getClipBounds();
2275                     clip = pgAt.createTransformedShape(clip).getBounds();
2276 
2277                     if ((clip == null) || peekGraphics.hitsDrawingArea(clip) &&
2278                         (bandWidth > 0 && bandHeight > 0)) {
2279 
2280                         /* if the client has specified an imageable X or Y
2281                          * which is off than the physically addressable
2282                          * area of the page, then we need to adjust for that
2283                          * here so that we pass only non -ve band coordinates
2284                          * We also need to translate by the adjusted amount
2285                          * so that printing appears in the correct place.
2286                          */
2287                         int bandX = deviceLeft - deviceAddressableX;
2288                         if (bandX < 0) {
2289                             bandGraphics.translate(bandX/xScale,0);
2290                             bandX = 0;
2291                         }
2292                         int bandY = deviceTop + bandTop - deviceAddressableY;
2293                         if (bandY < 0) {
2294                             bandGraphics.translate(0,bandY/yScale);
2295                             bandY = 0;
2296                         }
2297                         /* Have the app's painter image into the band
2298                          * and then send the band to the printer.
2299                          */
2300                         painterGraphics.setDelegate((Graphics2D) bandGraphics.create());
2301                         painter.print(painterGraphics, origPage, pageIndex);
2302                         painterGraphics.dispose();
2303                         printBand(data, bandX, bandY, bandWidth, bandHeight);
2304                     }
2305                 }
2306 
2307                 clearGraphics.dispose();
2308                 bandGraphics.dispose();
2309 
2310             }
2311             debug_println("calling endPage "+pageIndex);
2312             endPage(page, painter, pageIndex);
2313         }
2314 
2315         return pageResult;
2316     }
2317 
2318     /**
2319      * If a print job is in progress, print() has been
2320      * called but has not returned, then this signals
2321      * that the job should be cancelled and the next
2322      * chance. If there is no print job in progress then
2323      * this call does nothing.
2324      */
2325     public void cancel() {
2326         synchronized (this) {
2327             if (performingPrinting) {
2328                 userCancelled = true;
2329             }
2330             notify();
2331         }
2332     }
2333 
2334     /**
2335      * Returns true is a print job is ongoing but will
2336      * be cancelled and the next opportunity. false is
2337      * returned otherwise.
2338      */
2339     public boolean isCancelled() {
2340 
2341         boolean cancelled = false;
2342 
2343         synchronized (this) {
2344             cancelled = (performingPrinting && userCancelled);
2345             notify();
2346         }
2347 
2348         return cancelled;
2349     }
2350 
2351     /**
2352      * Return the Pageable describing the pages to be printed.
2353      */
2354     protected Pageable getPageable() {
2355         return mDocument;
2356     }
2357 
2358     /**
2359      * Examine the metrics captured by the
2360      * <code>PeekGraphics</code> instance and
2361      * if capable of directly converting this
2362      * print job to the printer's control language
2363      * or the native OS's graphics primitives, then
2364      * return a <code>PathGraphics</code> to perform
2365      * that conversion. If there is not an object
2366      * capable of the conversion then return
2367      * <code>null</code>. Returning <code>null</code>
2368      * causes the print job to be rasterized.
2369      */
2370     protected Graphics2D createPathGraphics(PeekGraphics graphics,
2371                                             PrinterJob printerJob,
2372                                             Printable painter,
2373                                             PageFormat pageFormat,
2374                                             int pageIndex) {
2375 
2376         return null;
2377     }
2378 
2379     /**
2380      * Create and return an object that will
2381      * gather and hold metrics about the print
2382      * job. This method is passed a <code>Graphics2D</code>
2383      * object that can be used as a proxy for the
2384      * object gathering the print job matrics. The
2385      * method is also supplied with the instance
2386      * controlling the print job, <code>printerJob</code>.
2387      */
2388     protected PeekGraphics createPeekGraphics(Graphics2D graphics,
2389                                               PrinterJob printerJob) {
2390 
2391         return new PeekGraphics(graphics, printerJob);
2392     }
2393 
2394     /**
2395      * Configure the passed in Graphics2D so that
2396      * is contains the defined initial settings
2397      * for a print job. These settings are:
2398      *      color:  black.
2399      *      clip:   <as passed in>
2400      */
2401 // MacOSX - made protected so subclasses can reference it.
2402     protected void initPrinterGraphics(Graphics2D g, Rectangle2D clip) {
2403 
2404         g.setClip(clip);
2405         g.setPaint(Color.black);
2406     }
2407 
2408 
2409    /**
2410     * User dialogs should disable "File" buttons if this returns false.
2411     *
2412     */
2413     public boolean checkAllowedToPrintToFile() {
2414         try {
2415             throwPrintToFile();
2416             return true;
2417         } catch (SecurityException e) {
2418             return false;
2419         }
2420     }
2421 
2422     /**
2423      * Break this out as it may be useful when we allow API to
2424      * specify printing to a file. In that case its probably right
2425      * to throw a SecurityException if the permission is not granted
2426      */
2427     private void throwPrintToFile() {
2428         SecurityManager security = System.getSecurityManager();
2429         if (security != null) {
2430             if (printToFilePermission == null) {
2431                 printToFilePermission =
2432                     new FilePermission("<<ALL FILES>>", "read,write");
2433             }
2434             security.checkPermission(printToFilePermission);
2435         }
2436     }
2437 
2438     /* On-screen drawString renders most control chars as the missing glyph
2439      * and have the non-zero advance of that glyph.
2440      * Exceptions are \t, \n and \r which are considered zero-width.
2441      * This is a utility method used by subclasses to remove them so we
2442      * don't have to worry about platform or font specific handling of them.
2443      */
2444     protected String removeControlChars(String s) {
2445         char[] in_chars = s.toCharArray();
2446         int len = in_chars.length;
2447         char[] out_chars = new char[len];
2448         int pos = 0;
2449 
2450         for (int i = 0; i < len; i++) {
2451             char c = in_chars[i];
2452             if (c > '\r' || c < '\t' || c == '\u000b' || c == '\u000c')  {
2453                out_chars[pos++] = c;
2454             }
2455         }
2456         if (pos == len) {
2457             return s; // no need to make a new String.
2458         } else {
2459             return new String(out_chars, 0, pos);
2460         }
2461     }
2462 }