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}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} if the specified service 499 * cannot support the {@code Pageable} and 500 * {@code Printable} 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} 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} 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} 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} 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 GraphicsConfiguration grCfg = null; 795 Window w = KeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow(); 796 if (w != null) { 797 grCfg = w.getGraphicsConfiguration(); 798 } else { 799 grCfg = GraphicsEnvironment.getLocalGraphicsEnvironment(). 800 getDefaultScreenDevice().getDefaultConfiguration(); 801 } 802 final GraphicsConfiguration gc = grCfg; 803 804 PrintService service = java.security.AccessController.doPrivileged( 805 new java.security.PrivilegedAction<PrintService>() { 806 public PrintService run() { 807 PrintService service = getPrintService(); 808 if (service == null) { 809 ServiceDialog.showNoPrintService(gc); 810 return null; 811 } 812 return service; 813 } 814 }); 815 816 if (service == null) { 817 return null; 818 } 819 820 // we position the dialog a little beyond the upper-left corner of the window 821 // which is consistent with the NATIVE page dialog 822 Rectangle gcBounds = gc.getBounds(); 823 int x = gcBounds.x+50; 824 int y = gcBounds.y+50; 825 ServiceDialog pageDialog = new ServiceDialog(gc, x, y, service, 826 DocFlavor.SERVICE_FORMATTED.PAGEABLE, 827 attributes, (Frame)null); 828 Rectangle dlgBounds = pageDialog.getBounds(); 829 830 // if portion of dialog is not within the gc boundary 831 if (!gcBounds.contains(dlgBounds)) { 832 // check if dialog exceed window bounds at left or bottom 833 // Then position the dialog by moving it by the amount it exceeds 834 // the window bounds 835 // If it results in dialog moving beyond the window bounds at top/left 836 // then position it at window top/left 837 if (dlgBounds.x + dlgBounds.width > gcBounds.x + gcBounds.width) { 838 if ((gcBounds.x + gcBounds.width - dlgBounds.width) > gcBounds.x) { 839 x = (gcBounds.x + gcBounds.width) - dlgBounds.width; 840 } else { 841 x = gcBounds.x; 842 } 843 } 844 if (dlgBounds.y + dlgBounds.height > gcBounds.y + gcBounds.height) { 845 if ((gcBounds.y + gcBounds.height - dlgBounds.height) > gcBounds.y) { 846 y = (gcBounds.y + gcBounds.height) - dlgBounds.height; 847 } else { 848 y = gcBounds.y; 849 } 850 } 851 pageDialog.setBounds(x, y, dlgBounds.width, dlgBounds.height); 852 } 853 pageDialog.show(); 854 855 if (pageDialog.getStatus() == ServiceDialog.APPROVE) { 856 PrintRequestAttributeSet newas = 857 pageDialog.getAttributes(); 858 Class<?> amCategory = SunAlternateMedia.class; 859 860 if (attributes.containsKey(amCategory) && 861 !newas.containsKey(amCategory)) { 862 attributes.remove(amCategory); 863 } 864 attributes.addAll(newas); 865 return attributeToPageFormat(service, attributes); 866 } else { 867 return null; 868 } 869 } 870 871 protected PageFormat getPageFormatFromAttributes() { 872 if (attributes == null || attributes.isEmpty()) { 873 return null; 874 } 875 return attributeToPageFormat(getPrintService(), this.attributes); 876 } 877 878 879 /** 880 * Presents the user a dialog for changing properties of the 881 * print job interactively. 882 * The services browsable here are determined by the type of 883 * service currently installed. 884 * If the application installed a StreamPrintService on this 885 * PrinterJob, only the available StreamPrintService (factories) are 886 * browsable. 887 * 888 * @param attributes to store changed properties. 889 * @return false if the user cancels the dialog and true otherwise. 890 * @exception HeadlessException if GraphicsEnvironment.isHeadless() 891 * returns true. 892 * @see java.awt.GraphicsEnvironment#isHeadless 893 */ 894 public boolean printDialog(final PrintRequestAttributeSet attributes) 895 throws HeadlessException { 896 if (GraphicsEnvironment.isHeadless()) { 897 throw new HeadlessException(); 898 } 899 900 DialogTypeSelection dlg = 901 (DialogTypeSelection)attributes.get(DialogTypeSelection.class); 902 903 // Check for native, note that default dialog is COMMON. 904 if (dlg == DialogTypeSelection.NATIVE) { 905 this.attributes = attributes; 906 try { 907 debug_println("calling setAttributes in printDialog"); 908 setAttributes(attributes); 909 910 } catch (PrinterException e) { 911 912 } 913 914 boolean ret = printDialog(); 915 this.attributes = attributes; 916 return ret; 917 918 } 919 920 /* A security check has already been performed in the 921 * java.awt.print.printerJob.getPrinterJob method. 922 * So by the time we get here, it is OK for the current thread 923 * to print either to a file (from a Dialog we control!) or 924 * to a chosen printer. 925 * 926 * We raise privilege when we put up the dialog, to avoid 927 * the "warning applet window" banner. 928 */ 929 GraphicsConfiguration grCfg = null; 930 Window w = KeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow(); 931 if (w != null) { 932 grCfg = w.getGraphicsConfiguration(); 933 } else { 934 grCfg = GraphicsEnvironment.getLocalGraphicsEnvironment(). 935 getDefaultScreenDevice().getDefaultConfiguration(); 936 } 937 final GraphicsConfiguration gc = grCfg; 938 939 PrintService service = java.security.AccessController.doPrivileged( 940 new java.security.PrivilegedAction<PrintService>() { 941 public PrintService run() { 942 PrintService service = getPrintService(); 943 if (service == null) { 944 ServiceDialog.showNoPrintService(gc); 945 return null; 946 } 947 return service; 948 } 949 }); 950 951 if (service == null) { 952 return false; 953 } 954 955 PrintService[] services; 956 StreamPrintServiceFactory[] spsFactories = null; 957 if (service instanceof StreamPrintService) { 958 spsFactories = lookupStreamPrintServices(null); 959 services = new StreamPrintService[spsFactories.length]; 960 for (int i=0; i<spsFactories.length; i++) { 961 services[i] = spsFactories[i].getPrintService(null); 962 } 963 } else { 964 services = java.security.AccessController.doPrivileged( 965 new java.security.PrivilegedAction<PrintService[]>() { 966 public PrintService[] run() { 967 PrintService[] services = PrinterJob.lookupPrintServices(); 968 return services; 969 } 970 }); 971 972 if ((services == null) || (services.length == 0)) { 973 /* 974 * No services but default PrintService exists? 975 * Create services using defaultService. 976 */ 977 services = new PrintService[1]; 978 services[0] = service; 979 } 980 } 981 982 // we position the dialog a little beyond the upper-left corner of the window 983 // which is consistent with the NATIVE print dialog 984 int x = 50; 985 int y = 50; 986 PrintService newService; 987 // temporarily add an attribute pointing back to this job. 988 PrinterJobWrapper jobWrapper = new PrinterJobWrapper(this); 989 attributes.add(jobWrapper); 990 try { 991 newService = 992 ServiceUI.printDialog(gc, x, y, 993 services, service, 994 DocFlavor.SERVICE_FORMATTED.PAGEABLE, 995 attributes); 996 } catch (IllegalArgumentException iae) { 997 newService = ServiceUI.printDialog(gc, x, y, 998 services, services[0], 999 DocFlavor.SERVICE_FORMATTED.PAGEABLE, 1000 attributes); 1001 } 1002 attributes.remove(PrinterJobWrapper.class); 1003 1004 if (newService == null) { 1005 return false; 1006 } 1007 1008 if (!service.equals(newService)) { 1009 try { 1010 setPrintService(newService); 1011 } catch (PrinterException e) { 1012 /* 1013 * The only time it would throw an exception is when 1014 * newService is no longer available but we should still 1015 * select this printer. 1016 */ 1017 myService = newService; 1018 } 1019 } 1020 return true; 1021 } 1022 1023 /** 1024 * Presents the user a dialog for changing properties of the 1025 * print job interactively. 1026 * @return false if the user cancels the dialog and 1027 * true otherwise. 1028 * @exception HeadlessException if GraphicsEnvironment.isHeadless() 1029 * returns true. 1030 * @see java.awt.GraphicsEnvironment#isHeadless 1031 */ 1032 public boolean printDialog() throws HeadlessException { 1033 1034 if (GraphicsEnvironment.isHeadless()) { 1035 throw new HeadlessException(); 1036 } 1037 1038 PrintRequestAttributeSet attributes = 1039 new HashPrintRequestAttributeSet(); 1040 attributes.add(new Copies(getCopies())); 1041 attributes.add(new JobName(getJobName(), null)); 1042 boolean doPrint = printDialog(attributes); 1043 if (doPrint) { 1044 JobName jobName = (JobName)attributes.get(JobName.class); 1045 if (jobName != null) { 1046 setJobName(jobName.getValue()); 1047 } 1048 Copies copies = (Copies)attributes.get(Copies.class); 1049 if (copies != null) { 1050 setCopies(copies.getValue()); 1051 } 1052 1053 Destination dest = (Destination)attributes.get(Destination.class); 1054 1055 if (dest != null) { 1056 try { 1057 mDestType = RasterPrinterJob.FILE; 1058 mDestination = (new File(dest.getURI())).getPath(); 1059 } catch (Exception e) { 1060 mDestination = "out.prn"; 1061 PrintService ps = getPrintService(); 1062 if (ps != null) { 1063 Destination defaultDest = (Destination)ps. 1064 getDefaultAttributeValue(Destination.class); 1065 if (defaultDest != null) { 1066 mDestination = (new File(defaultDest.getURI())).getPath(); 1067 } 1068 } 1069 } 1070 } else { 1071 mDestType = RasterPrinterJob.PRINTER; 1072 PrintService ps = getPrintService(); 1073 if (ps != null) { 1074 mDestination = ps.getName(); 1075 } 1076 } 1077 } 1078 1079 return doPrint; 1080 } 1081 1082 /** 1083 * The pages in the document to be printed by this PrinterJob 1084 * are drawn by the Printable object 'painter'. The PageFormat 1085 * for each page is the default page format. 1086 * @param painter Called to render each page of the document. 1087 */ 1088 public void setPrintable(Printable painter) { 1089 setPageable(new OpenBook(defaultPage(new PageFormat()), painter)); 1090 } 1091 1092 /** 1093 * The pages in the document to be printed by this PrinterJob 1094 * are drawn by the Printable object 'painter'. The PageFormat 1095 * of each page is 'format'. 1096 * @param painter Called to render each page of the document. 1097 * @param format The size and orientation of each page to 1098 * be printed. 1099 */ 1100 public void setPrintable(Printable painter, PageFormat format) { 1101 setPageable(new OpenBook(format, painter)); 1102 updatePageAttributes(getPrintService(), format); 1103 } 1104 1105 /** 1106 * The pages in the document to be printed are held by the 1107 * Pageable instance 'document'. 'document' will be queried 1108 * for the number of pages as well as the PageFormat and 1109 * Printable for each page. 1110 * @param document The document to be printed. It may not be null. 1111 * @exception NullPointerException the Pageable passed in was null. 1112 * @see PageFormat 1113 * @see Printable 1114 */ 1115 public void setPageable(Pageable document) throws NullPointerException { 1116 if (document != null) { 1117 mDocument = document; 1118 1119 } else { 1120 throw new NullPointerException(); 1121 } 1122 } 1123 1124 protected void initPrinter() { 1125 return; 1126 } 1127 1128 protected boolean isSupportedValue(Attribute attrval, 1129 PrintRequestAttributeSet attrset) { 1130 PrintService ps = getPrintService(); 1131 return 1132 (attrval != null && ps != null && 1133 ps.isAttributeValueSupported(attrval, 1134 DocFlavor.SERVICE_FORMATTED.PAGEABLE, 1135 attrset)); 1136 } 1137 1138 /** 1139 * Set the device resolution. 1140 * Overridden and used only by the postscript code. 1141 * Windows code pulls the information from the attribute set itself. 1142 */ 1143 protected void setXYRes(double x, double y) { 1144 } 1145 1146 /* subclasses may need to pull extra information out of the attribute set 1147 * They can override this method & call super.setAttributes() 1148 */ 1149 protected void setAttributes(PrintRequestAttributeSet attributes) 1150 throws PrinterException { 1151 /* reset all values to defaults */ 1152 setCollated(false); 1153 sidesAttr = null; 1154 printerResAttr = null; 1155 pageRangesAttr = null; 1156 copiesAttr = 0; 1157 jobNameAttr = null; 1158 userNameAttr = null; 1159 destinationAttr = null; 1160 collateAttReq = false; 1161 1162 PrintService service = getPrintService(); 1163 if (attributes == null || service == null) { 1164 return; 1165 } 1166 1167 boolean fidelity = false; 1168 Fidelity attrFidelity = (Fidelity)attributes.get(Fidelity.class); 1169 if (attrFidelity != null && attrFidelity == Fidelity.FIDELITY_TRUE) { 1170 fidelity = true; 1171 } 1172 1173 if (fidelity == true) { 1174 AttributeSet unsupported = 1175 service.getUnsupportedAttributes( 1176 DocFlavor.SERVICE_FORMATTED.PAGEABLE, 1177 attributes); 1178 if (unsupported != null) { 1179 throw new PrinterException("Fidelity cannot be satisfied"); 1180 } 1181 } 1182 1183 /* 1184 * Since we have verified supported values if fidelity is true, 1185 * we can either ignore unsupported values, or substitute a 1186 * reasonable alternative 1187 */ 1188 1189 SheetCollate collateAttr = 1190 (SheetCollate)attributes.get(SheetCollate.class); 1191 if (isSupportedValue(collateAttr, attributes)) { 1192 setCollated(collateAttr == SheetCollate.COLLATED); 1193 } 1194 1195 sidesAttr = (Sides)attributes.get(Sides.class); 1196 if (!isSupportedValue(sidesAttr, attributes)) { 1197 sidesAttr = Sides.ONE_SIDED; 1198 } 1199 1200 printerResAttr = (PrinterResolution)attributes.get(PrinterResolution.class); 1201 if (service.isAttributeCategorySupported(PrinterResolution.class)) { 1202 if (!isSupportedValue(printerResAttr, attributes)) { 1203 printerResAttr = (PrinterResolution) 1204 service.getDefaultAttributeValue(PrinterResolution.class); 1205 } 1206 double xr = 1207 printerResAttr.getCrossFeedResolution(ResolutionSyntax.DPI); 1208 double yr = printerResAttr.getFeedResolution(ResolutionSyntax.DPI); 1209 setXYRes(xr, yr); 1210 } 1211 1212 pageRangesAttr = (PageRanges)attributes.get(PageRanges.class); 1213 if (!isSupportedValue(pageRangesAttr, attributes)) { 1214 pageRangesAttr = null; 1215 } else { 1216 if ((SunPageSelection)attributes.get(SunPageSelection.class) 1217 == SunPageSelection.RANGE) { 1218 // get to, from, min, max page ranges 1219 int[][] range = pageRangesAttr.getMembers(); 1220 // setPageRanges uses 0-based indexing so we subtract 1 1221 setPageRange(range[0][0] - 1, range[0][1] - 1); 1222 } else { 1223 setPageRange(-1, - 1); 1224 } 1225 } 1226 1227 Copies copies = (Copies)attributes.get(Copies.class); 1228 if (isSupportedValue(copies, attributes) || 1229 (!fidelity && copies != null)) { 1230 copiesAttr = copies.getValue(); 1231 setCopies(copiesAttr); 1232 } else { 1233 copiesAttr = getCopies(); 1234 } 1235 1236 Destination destination = 1237 (Destination)attributes.get(Destination.class); 1238 1239 if (isSupportedValue(destination, attributes)) { 1240 try { 1241 // Old code (new File(destination.getURI())).getPath() 1242 // would generate a "URI is not hierarchical" IAE 1243 // for "file:out.prn" so we use getSchemeSpecificPart instead 1244 destinationAttr = "" + new File(destination.getURI(). 1245 getSchemeSpecificPart()); 1246 } catch (Exception e) { // paranoid exception 1247 Destination defaultDest = (Destination)service. 1248 getDefaultAttributeValue(Destination.class); 1249 if (defaultDest != null) { 1250 destinationAttr = "" + new File(defaultDest.getURI(). 1251 getSchemeSpecificPart()); 1252 } 1253 } 1254 } 1255 1256 JobSheets jobSheets = (JobSheets)attributes.get(JobSheets.class); 1257 if (jobSheets != null) { 1258 noJobSheet = jobSheets == JobSheets.NONE; 1259 } 1260 1261 JobName jobName = (JobName)attributes.get(JobName.class); 1262 if (isSupportedValue(jobName, attributes) || 1263 (!fidelity && jobName != null)) { 1264 jobNameAttr = jobName.getValue(); 1265 setJobName(jobNameAttr); 1266 } else { 1267 jobNameAttr = getJobName(); 1268 } 1269 1270 RequestingUserName userName = 1271 (RequestingUserName)attributes.get(RequestingUserName.class); 1272 if (isSupportedValue(userName, attributes) || 1273 (!fidelity && userName != null)) { 1274 userNameAttr = userName.getValue(); 1275 } else { 1276 try { 1277 userNameAttr = getUserName(); 1278 } catch (SecurityException e) { 1279 userNameAttr = ""; 1280 } 1281 } 1282 1283 /* OpenBook is used internally only when app uses Printable. 1284 * This is the case when we use the values from the attribute set. 1285 */ 1286 Media media = (Media)attributes.get(Media.class); 1287 OrientationRequested orientReq = 1288 (OrientationRequested)attributes.get(OrientationRequested.class); 1289 MediaPrintableArea mpa = 1290 (MediaPrintableArea)attributes.get(MediaPrintableArea.class); 1291 1292 if ((orientReq != null || media != null || mpa != null) && 1293 getPageable() instanceof OpenBook) { 1294 1295 /* We could almost(!) use PrinterJob.getPageFormat() except 1296 * here we need to start with the PageFormat from the OpenBook : 1297 */ 1298 Pageable pageable = getPageable(); 1299 Printable printable = pageable.getPrintable(0); 1300 PageFormat pf = (PageFormat)pageable.getPageFormat(0).clone(); 1301 Paper paper = pf.getPaper(); 1302 1303 /* If there's a media but no media printable area, we can try 1304 * to retrieve the default value for mpa and use that. 1305 */ 1306 if (mpa == null && media != null && 1307 service. 1308 isAttributeCategorySupported(MediaPrintableArea.class)) { 1309 Object mpaVals = service. 1310 getSupportedAttributeValues(MediaPrintableArea.class, 1311 null, attributes); 1312 if (mpaVals instanceof MediaPrintableArea[] && 1313 ((MediaPrintableArea[])mpaVals).length > 0) { 1314 mpa = ((MediaPrintableArea[])mpaVals)[0]; 1315 } 1316 } 1317 1318 if (isSupportedValue(orientReq, attributes) || 1319 (!fidelity && orientReq != null)) { 1320 int orient; 1321 if (orientReq.equals(OrientationRequested.REVERSE_LANDSCAPE)) { 1322 orient = PageFormat.REVERSE_LANDSCAPE; 1323 } else if (orientReq.equals(OrientationRequested.LANDSCAPE)) { 1324 orient = PageFormat.LANDSCAPE; 1325 } else { 1326 orient = PageFormat.PORTRAIT; 1327 } 1328 pf.setOrientation(orient); 1329 } 1330 1331 if (isSupportedValue(media, attributes) || 1332 (!fidelity && media != null)) { 1333 if (media instanceof MediaSizeName) { 1334 MediaSizeName msn = (MediaSizeName)media; 1335 MediaSize msz = MediaSize.getMediaSizeForName(msn); 1336 if (msz != null) { 1337 float paperWid = msz.getX(MediaSize.INCH) * 72.0f; 1338 float paperHgt = msz.getY(MediaSize.INCH) * 72.0f; 1339 paper.setSize(paperWid, paperHgt); 1340 if (mpa == null) { 1341 paper.setImageableArea(72.0, 72.0, 1342 paperWid-144.0, 1343 paperHgt-144.0); 1344 } 1345 } 1346 } 1347 } 1348 1349 if (isSupportedValue(mpa, attributes) || 1350 (!fidelity && mpa != null)) { 1351 float [] printableArea = 1352 mpa.getPrintableArea(MediaPrintableArea.INCH); 1353 for (int i=0; i < printableArea.length; i++) { 1354 printableArea[i] = printableArea[i]*72.0f; 1355 } 1356 paper.setImageableArea(printableArea[0], printableArea[1], 1357 printableArea[2], printableArea[3]); 1358 } 1359 1360 pf.setPaper(paper); 1361 pf = validatePage(pf); 1362 setPrintable(printable, pf); 1363 } else { 1364 // for AWT where pageable is not an instance of OpenBook, 1365 // we need to save paper info 1366 this.attributes = attributes; 1367 } 1368 1369 } 1370 1371 /* 1372 * Services we don't recognize as built-in services can't be 1373 * implemented as subclasses of PrinterJob, therefore we create 1374 * a DocPrintJob from their service and pass a Doc representing 1375 * the application's printjob 1376 */ 1377 // MacOSX - made protected so subclasses can reference it. 1378 protected void spoolToService(PrintService psvc, 1379 PrintRequestAttributeSet attributes) 1380 throws PrinterException { 1381 1382 if (psvc == null) { 1383 throw new PrinterException("No print service found."); 1384 } 1385 1386 DocPrintJob job = psvc.createPrintJob(); 1387 Doc doc = new PageableDoc(getPageable()); 1388 if (attributes == null) { 1389 attributes = new HashPrintRequestAttributeSet(); 1390 } 1391 try { 1392 job.print(doc, attributes); 1393 } catch (PrintException e) { 1394 throw new PrinterException(e.toString()); 1395 } 1396 } 1397 1398 /** 1399 * Prints a set of pages. 1400 * @exception java.awt.print.PrinterException an error in the print system 1401 * caused the job to be aborted 1402 * @see java.awt.print.Book 1403 * @see java.awt.print.Pageable 1404 * @see java.awt.print.Printable 1405 */ 1406 public void print() throws PrinterException { 1407 print(attributes); 1408 } 1409 1410 public static boolean debugPrint = false; 1411 protected void debug_println(String str) { 1412 if (debugPrint) { 1413 System.out.println("RasterPrinterJob "+str+" "+this); 1414 } 1415 } 1416 1417 public void print(PrintRequestAttributeSet attributes) 1418 throws PrinterException { 1419 1420 /* 1421 * In the future PrinterJob will probably always dispatch 1422 * the print job to the PrintService. 1423 * This is how third party 2D Print Services will be invoked 1424 * when applications use the PrinterJob API. 1425 * However the JRE's concrete PrinterJob implementations have 1426 * not yet been re-worked to be implemented as standalone 1427 * services, and are implemented only as subclasses of PrinterJob. 1428 * So here we dispatch only those services we do not recognize 1429 * as implemented through platform subclasses of PrinterJob 1430 * (and this class). 1431 */ 1432 PrintService psvc = getPrintService(); 1433 debug_println("psvc = "+psvc); 1434 if (psvc == null) { 1435 throw new PrinterException("No print service found."); 1436 } 1437 1438 // Check the list of services. This service may have been 1439 // deleted already 1440 PrinterState prnState = psvc.getAttribute(PrinterState.class); 1441 if (prnState == PrinterState.STOPPED) { 1442 PrinterStateReasons prnStateReasons = 1443 psvc.getAttribute(PrinterStateReasons.class); 1444 if ((prnStateReasons != null) && 1445 (prnStateReasons.containsKey(PrinterStateReason.SHUTDOWN))) 1446 { 1447 throw new PrinterException("PrintService is no longer available."); 1448 } 1449 } 1450 1451 if ((psvc.getAttribute(PrinterIsAcceptingJobs.class)) == 1452 PrinterIsAcceptingJobs.NOT_ACCEPTING_JOBS) { 1453 throw new PrinterException("Printer is not accepting job."); 1454 } 1455 1456 if ((psvc instanceof SunPrinterJobService) && 1457 ((SunPrinterJobService)psvc).usesClass(getClass())) { 1458 setAttributes(attributes); 1459 // throw exception for invalid destination 1460 if (destinationAttr != null) { 1461 validateDestination(destinationAttr); 1462 } 1463 } else { 1464 spoolToService(psvc, attributes); 1465 return; 1466 } 1467 /* We need to make sure that the collation and copies 1468 * settings are initialised */ 1469 initPrinter(); 1470 1471 int numCollatedCopies = getCollatedCopies(); 1472 int numNonCollatedCopies = getNoncollatedCopies(); 1473 debug_println("getCollatedCopies() "+numCollatedCopies 1474 + " getNoncollatedCopies() "+ numNonCollatedCopies); 1475 1476 /* Get the range of pages we are to print. If the 1477 * last page to print is unknown, then we print to 1478 * the end of the document. Note that firstPage 1479 * and lastPage are 0 based page indices. 1480 */ 1481 int numPages = mDocument.getNumberOfPages(); 1482 if (numPages == 0) { 1483 return; 1484 } 1485 1486 int firstPage = getFirstPage(); 1487 int lastPage = getLastPage(); 1488 if(lastPage == Pageable.UNKNOWN_NUMBER_OF_PAGES){ 1489 int totalPages = mDocument.getNumberOfPages(); 1490 if (totalPages != Pageable.UNKNOWN_NUMBER_OF_PAGES) { 1491 lastPage = mDocument.getNumberOfPages() - 1; 1492 } 1493 } 1494 1495 try { 1496 synchronized (this) { 1497 performingPrinting = true; 1498 userCancelled = false; 1499 } 1500 1501 startDoc(); 1502 if (isCancelled()) { 1503 cancelDoc(); 1504 } 1505 1506 // PageRanges can be set even if RANGE is not selected 1507 // so we need to check if it is selected. 1508 boolean rangeIsSelected = true; 1509 if (attributes != null) { 1510 SunPageSelection pages = 1511 (SunPageSelection)attributes.get(SunPageSelection.class); 1512 if ((pages != null) && (pages != SunPageSelection.RANGE)) { 1513 rangeIsSelected = false; 1514 } 1515 } 1516 1517 1518 debug_println("after startDoc rangeSelected? "+rangeIsSelected 1519 + " numNonCollatedCopies "+ numNonCollatedCopies); 1520 1521 1522 /* Three nested loops iterate over the document. The outer loop 1523 * counts the number of collated copies while the inner loop 1524 * counts the number of nonCollated copies. Normally, one of 1525 * these two loops will only execute once; that is we will 1526 * either print collated copies or noncollated copies. The 1527 * middle loop iterates over the pages. 1528 * If a PageRanges attribute is used, it constrains the pages 1529 * that are imaged. If a platform subclass (though a user dialog) 1530 * requests a page range via setPageRange(). it too can 1531 * constrain the page ranges that are imaged. 1532 * It is expected that only one of these will be used in a 1533 * job but both should be able to co-exist. 1534 */ 1535 for(int collated = 0; collated < numCollatedCopies; collated++) { 1536 for(int i = firstPage, pageResult = Printable.PAGE_EXISTS; 1537 (i <= lastPage || 1538 lastPage == Pageable.UNKNOWN_NUMBER_OF_PAGES) 1539 && pageResult == Printable.PAGE_EXISTS; 1540 i++) 1541 { 1542 1543 if ((pageRangesAttr != null) && rangeIsSelected ){ 1544 int nexti = pageRangesAttr.next(i); 1545 if (nexti == -1) { 1546 break; 1547 } else if (nexti != i+1) { 1548 continue; 1549 } 1550 } 1551 1552 for(int nonCollated = 0; 1553 nonCollated < numNonCollatedCopies 1554 && pageResult == Printable.PAGE_EXISTS; 1555 nonCollated++) 1556 { 1557 if (isCancelled()) { 1558 cancelDoc(); 1559 } 1560 debug_println("printPage "+i); 1561 pageResult = printPage(mDocument, i); 1562 1563 } 1564 } 1565 } 1566 1567 if (isCancelled()) { 1568 cancelDoc(); 1569 } 1570 1571 } finally { 1572 // reset previousPaper in case this job is invoked again. 1573 previousPaper = null; 1574 synchronized (this) { 1575 if (performingPrinting) { 1576 endDoc(); 1577 } 1578 performingPrinting = false; 1579 notify(); 1580 } 1581 } 1582 } 1583 1584 protected void validateDestination(String dest) throws PrinterException { 1585 if (dest == null) { 1586 return; 1587 } 1588 // dest is null for Destination(new URI("")) 1589 // because isAttributeValueSupported returns false in setAttributes 1590 1591 // Destination(new URI(" ")) throws URISyntaxException 1592 File f = new File(dest); 1593 try { 1594 // check if this is a new file and if filename chars are valid 1595 if (f.createNewFile()) { 1596 f.delete(); 1597 } 1598 } catch (IOException ioe) { 1599 throw new PrinterException("Cannot write to file:"+ 1600 dest); 1601 } catch (SecurityException se) { 1602 //There is already file read/write access so at this point 1603 // only delete access is denied. Just ignore it because in 1604 // most cases the file created in createNewFile gets overwritten 1605 // anyway. 1606 } 1607 1608 File pFile = f.getParentFile(); 1609 if ((f.exists() && 1610 (!f.isFile() || !f.canWrite())) || 1611 ((pFile != null) && 1612 (!pFile.exists() || (pFile.exists() && !pFile.canWrite())))) { 1613 throw new PrinterException("Cannot write to file:"+ 1614 dest); 1615 } 1616 } 1617 1618 /** 1619 * updates a Paper object to reflect the current printer's selected 1620 * paper size and imageable area for that paper size. 1621 * Default implementation copies settings from the original, applies 1622 * applies some validity checks, changes them only if they are 1623 * clearly unreasonable, then sets them into the new Paper. 1624 * Subclasses are expected to override this method to make more 1625 * informed decisons. 1626 */ 1627 protected void validatePaper(Paper origPaper, Paper newPaper) { 1628 if (origPaper == null || newPaper == null) { 1629 return; 1630 } else { 1631 double wid = origPaper.getWidth(); 1632 double hgt = origPaper.getHeight(); 1633 double ix = origPaper.getImageableX(); 1634 double iy = origPaper.getImageableY(); 1635 double iw = origPaper.getImageableWidth(); 1636 double ih = origPaper.getImageableHeight(); 1637 1638 /* Assume any +ve values are legal. Overall paper dimensions 1639 * take precedence. Make sure imageable area fits on the paper. 1640 */ 1641 Paper defaultPaper = new Paper(); 1642 wid = ((wid > 0.0) ? wid : defaultPaper.getWidth()); 1643 hgt = ((hgt > 0.0) ? hgt : defaultPaper.getHeight()); 1644 ix = ((ix > 0.0) ? ix : defaultPaper.getImageableX()); 1645 iy = ((iy > 0.0) ? iy : defaultPaper.getImageableY()); 1646 iw = ((iw > 0.0) ? iw : defaultPaper.getImageableWidth()); 1647 ih = ((ih > 0.0) ? ih : defaultPaper.getImageableHeight()); 1648 /* full width/height is not likely to be imageable, but since we 1649 * don't know the limits we have to allow it 1650 */ 1651 if (iw > wid) { 1652 iw = wid; 1653 } 1654 if (ih > hgt) { 1655 ih = hgt; 1656 } 1657 if ((ix + iw) > wid) { 1658 ix = wid - iw; 1659 } 1660 if ((iy + ih) > hgt) { 1661 iy = hgt - ih; 1662 } 1663 newPaper.setSize(wid, hgt); 1664 newPaper.setImageableArea(ix, iy, iw, ih); 1665 } 1666 } 1667 1668 /** 1669 * The passed in PageFormat will be copied and altered to describe 1670 * the default page size and orientation of the PrinterJob's 1671 * current printer. 1672 * Platform subclasses which can access the actual default paper size 1673 * for a printer may override this method. 1674 */ 1675 public PageFormat defaultPage(PageFormat page) { 1676 PageFormat newPage = (PageFormat)page.clone(); 1677 newPage.setOrientation(PageFormat.PORTRAIT); 1678 Paper newPaper = new Paper(); 1679 double ptsPerInch = 72.0; 1680 double w, h; 1681 Media media = null; 1682 1683 PrintService service = getPrintService(); 1684 if (service != null) { 1685 MediaSize size; 1686 media = 1687 (Media)service.getDefaultAttributeValue(Media.class); 1688 1689 if (media instanceof MediaSizeName && 1690 ((size = MediaSize.getMediaSizeForName((MediaSizeName)media)) != 1691 null)) { 1692 w = size.getX(MediaSize.INCH) * ptsPerInch; 1693 h = size.getY(MediaSize.INCH) * ptsPerInch; 1694 newPaper.setSize(w, h); 1695 newPaper.setImageableArea(ptsPerInch, ptsPerInch, 1696 w - 2.0*ptsPerInch, 1697 h - 2.0*ptsPerInch); 1698 newPage.setPaper(newPaper); 1699 return newPage; 1700 1701 } 1702 } 1703 1704 /* Default to A4 paper outside North America. 1705 */ 1706 String defaultCountry = Locale.getDefault().getCountry(); 1707 if (!Locale.getDefault().equals(Locale.ENGLISH) && // ie "C" 1708 defaultCountry != null && 1709 !defaultCountry.equals(Locale.US.getCountry()) && 1710 !defaultCountry.equals(Locale.CANADA.getCountry())) { 1711 1712 double mmPerInch = 25.4; 1713 w = Math.rint((210.0*ptsPerInch)/mmPerInch); 1714 h = Math.rint((297.0*ptsPerInch)/mmPerInch); 1715 newPaper.setSize(w, h); 1716 newPaper.setImageableArea(ptsPerInch, ptsPerInch, 1717 w - 2.0*ptsPerInch, 1718 h - 2.0*ptsPerInch); 1719 } 1720 1721 newPage.setPaper(newPaper); 1722 1723 return newPage; 1724 } 1725 1726 /** 1727 * The passed in PageFormat is cloned and altered to be usable on 1728 * the PrinterJob's current printer. 1729 */ 1730 public PageFormat validatePage(PageFormat page) { 1731 PageFormat newPage = (PageFormat)page.clone(); 1732 Paper newPaper = new Paper(); 1733 validatePaper(newPage.getPaper(), newPaper); 1734 newPage.setPaper(newPaper); 1735 1736 return newPage; 1737 } 1738 1739 /** 1740 * Set the number of copies to be printed. 1741 */ 1742 public void setCopies(int copies) { 1743 mNumCopies = copies; 1744 } 1745 1746 /** 1747 * Get the number of copies to be printed. 1748 */ 1749 public int getCopies() { 1750 return mNumCopies; 1751 } 1752 1753 /* Used when executing a print job where an attribute set may 1754 * over ride API values. 1755 */ 1756 protected int getCopiesInt() { 1757 return (copiesAttr > 0) ? copiesAttr : getCopies(); 1758 } 1759 1760 /** 1761 * Get the name of the printing user. 1762 * The caller must have security permission to read system properties. 1763 */ 1764 public String getUserName() { 1765 return System.getProperty("user.name"); 1766 } 1767 1768 /* Used when executing a print job where an attribute set may 1769 * over ride API values. 1770 */ 1771 protected String getUserNameInt() { 1772 if (userNameAttr != null) { 1773 return userNameAttr; 1774 } else { 1775 try { 1776 return getUserName(); 1777 } catch (SecurityException e) { 1778 return ""; 1779 } 1780 } 1781 } 1782 1783 /** 1784 * Set the name of the document to be printed. 1785 * The document name can not be null. 1786 */ 1787 public void setJobName(String jobName) { 1788 if (jobName != null) { 1789 mDocName = jobName; 1790 } else { 1791 throw new NullPointerException(); 1792 } 1793 } 1794 1795 /** 1796 * Get the name of the document to be printed. 1797 */ 1798 public String getJobName() { 1799 return mDocName; 1800 } 1801 1802 /* Used when executing a print job where an attribute set may 1803 * over ride API values. 1804 */ 1805 protected String getJobNameInt() { 1806 return (jobNameAttr != null) ? jobNameAttr : getJobName(); 1807 } 1808 1809 /** 1810 * Set the range of pages from a Book to be printed. 1811 * Both 'firstPage' and 'lastPage' are zero based 1812 * page indices. If either parameter is less than 1813 * zero then the page range is set to be from the 1814 * first page to the last. 1815 */ 1816 protected void setPageRange(int firstPage, int lastPage) { 1817 if(firstPage >= 0 && lastPage >= 0) { 1818 mFirstPage = firstPage; 1819 mLastPage = lastPage; 1820 if(mLastPage < mFirstPage) mLastPage = mFirstPage; 1821 } else { 1822 mFirstPage = Pageable.UNKNOWN_NUMBER_OF_PAGES; 1823 mLastPage = Pageable.UNKNOWN_NUMBER_OF_PAGES; 1824 } 1825 } 1826 1827 /** 1828 * Return the zero based index of the first page to 1829 * be printed in this job. 1830 */ 1831 protected int getFirstPage() { 1832 return mFirstPage == Book.UNKNOWN_NUMBER_OF_PAGES ? 0 : mFirstPage; 1833 } 1834 1835 /** 1836 * Return the zero based index of the last page to 1837 * be printed in this job. 1838 */ 1839 protected int getLastPage() { 1840 return mLastPage; 1841 } 1842 1843 /** 1844 * Set whether copies should be collated or not. 1845 * Two collated copies of a three page document 1846 * print in this order: 1, 2, 3, 1, 2, 3 while 1847 * uncollated copies print in this order: 1848 * 1, 1, 2, 2, 3, 3. 1849 * This is set when request is using an attribute set. 1850 */ 1851 protected void setCollated(boolean collate) { 1852 mCollate = collate; 1853 collateAttReq = true; 1854 } 1855 1856 /** 1857 * Return true if collated copies will be printed as determined 1858 * in an attribute set. 1859 */ 1860 protected boolean isCollated() { 1861 return mCollate; 1862 } 1863 1864 protected final int getSelectAttrib() { 1865 if (attributes != null) { 1866 SunPageSelection pages = 1867 (SunPageSelection)attributes.get(SunPageSelection.class); 1868 if (pages == SunPageSelection.RANGE) { 1869 return PD_PAGENUMS; 1870 } else if (pages == SunPageSelection.SELECTION) { 1871 return PD_SELECTION; 1872 } else if (pages == SunPageSelection.ALL) { 1873 return PD_ALLPAGES; 1874 } 1875 } 1876 return PD_NOSELECTION; 1877 } 1878 1879 //returns 1-based index for "From" page 1880 protected final int getFromPageAttrib() { 1881 if (attributes != null) { 1882 PageRanges pageRangesAttr = 1883 (PageRanges)attributes.get(PageRanges.class); 1884 if (pageRangesAttr != null) { 1885 int[][] range = pageRangesAttr.getMembers(); 1886 return range[0][0]; 1887 } 1888 } 1889 return getMinPageAttrib(); 1890 } 1891 1892 //returns 1-based index for "To" page 1893 protected final int getToPageAttrib() { 1894 if (attributes != null) { 1895 PageRanges pageRangesAttr = 1896 (PageRanges)attributes.get(PageRanges.class); 1897 if (pageRangesAttr != null) { 1898 int[][] range = pageRangesAttr.getMembers(); 1899 return range[range.length-1][1]; 1900 } 1901 } 1902 return getMaxPageAttrib(); 1903 } 1904 1905 protected final int getMinPageAttrib() { 1906 if (attributes != null) { 1907 SunMinMaxPage s = 1908 (SunMinMaxPage)attributes.get(SunMinMaxPage.class); 1909 if (s != null) { 1910 return s.getMin(); 1911 } 1912 } 1913 return 1; 1914 } 1915 1916 protected final int getMaxPageAttrib() { 1917 if (attributes != null) { 1918 SunMinMaxPage s = 1919 (SunMinMaxPage)attributes.get(SunMinMaxPage.class); 1920 if (s != null) { 1921 return s.getMax(); 1922 } 1923 } 1924 1925 Pageable pageable = getPageable(); 1926 if (pageable != null) { 1927 int numPages = pageable.getNumberOfPages(); 1928 if (numPages <= Pageable.UNKNOWN_NUMBER_OF_PAGES) { 1929 numPages = MAX_UNKNOWN_PAGES; 1930 } 1931 return ((numPages == 0) ? 1 : numPages); 1932 } 1933 1934 return Integer.MAX_VALUE; 1935 } 1936 /** 1937 * Called by the print() method at the start of 1938 * a print job. 1939 */ 1940 protected abstract void startDoc() throws PrinterException; 1941 1942 /** 1943 * Called by the print() method at the end of 1944 * a print job. 1945 */ 1946 protected abstract void endDoc() throws PrinterException; 1947 1948 /* Called by cancelDoc */ 1949 protected abstract void abortDoc(); 1950 1951 // MacOSX - made protected so subclasses can reference it. 1952 protected void cancelDoc() throws PrinterAbortException { 1953 abortDoc(); 1954 synchronized (this) { 1955 userCancelled = false; 1956 performingPrinting = false; 1957 notify(); 1958 } 1959 throw new PrinterAbortException(); 1960 } 1961 1962 /** 1963 * Returns how many times the entire book should 1964 * be printed by the PrintJob. If the printer 1965 * itself supports collation then this method 1966 * should return 1 indicating that the entire 1967 * book need only be printed once and the copies 1968 * will be collated and made in the printer. 1969 */ 1970 protected int getCollatedCopies() { 1971 return isCollated() ? getCopiesInt() : 1; 1972 } 1973 1974 /** 1975 * Returns how many times each page in the book 1976 * should be consecutively printed by PrintJob. 1977 * If the printer makes copies itself then this 1978 * method should return 1. 1979 */ 1980 protected int getNoncollatedCopies() { 1981 return isCollated() ? 1 : getCopiesInt(); 1982 } 1983 1984 1985 /* The printer graphics config is cached on the job, so that it can 1986 * be created once, and updated only as needed (for now only to change 1987 * the bounds if when using a Pageable the page sizes changes). 1988 */ 1989 1990 private int deviceWidth, deviceHeight; 1991 private AffineTransform defaultDeviceTransform; 1992 private PrinterGraphicsConfig pgConfig; 1993 1994 synchronized void setGraphicsConfigInfo(AffineTransform at, 1995 double pw, double ph) { 1996 Point2D.Double pt = new Point2D.Double(pw, ph); 1997 at.transform(pt, pt); 1998 1999 if (pgConfig == null || 2000 defaultDeviceTransform == null || 2001 !at.equals(defaultDeviceTransform) || 2002 deviceWidth != (int)pt.getX() || 2003 deviceHeight != (int)pt.getY()) { 2004 2005 deviceWidth = (int)pt.getX(); 2006 deviceHeight = (int)pt.getY(); 2007 defaultDeviceTransform = at; 2008 pgConfig = null; 2009 } 2010 } 2011 2012 synchronized PrinterGraphicsConfig getPrinterGraphicsConfig() { 2013 if (pgConfig != null) { 2014 return pgConfig; 2015 } 2016 String deviceID = "Printer Device"; 2017 PrintService service = getPrintService(); 2018 if (service != null) { 2019 deviceID = service.toString(); 2020 } 2021 pgConfig = new PrinterGraphicsConfig(deviceID, 2022 defaultDeviceTransform, 2023 deviceWidth, deviceHeight); 2024 return pgConfig; 2025 } 2026 2027 /** 2028 * Print a page from the provided document. 2029 * @return int Printable.PAGE_EXISTS if the page existed and was drawn and 2030 * Printable.NO_SUCH_PAGE if the page did not exist. 2031 * @see java.awt.print.Printable 2032 */ 2033 protected int printPage(Pageable document, int pageIndex) 2034 throws PrinterException 2035 { 2036 PageFormat page; 2037 PageFormat origPage; 2038 Printable painter; 2039 try { 2040 origPage = document.getPageFormat(pageIndex); 2041 page = (PageFormat)origPage.clone(); 2042 painter = document.getPrintable(pageIndex); 2043 } catch (Exception e) { 2044 PrinterException pe = 2045 new PrinterException("Error getting page or printable.[ " + 2046 e +" ]"); 2047 pe.initCause(e); 2048 throw pe; 2049 } 2050 2051 /* Get the imageable area from Paper instead of PageFormat 2052 * because we do not want it adjusted by the page orientation. 2053 */ 2054 Paper paper = page.getPaper(); 2055 // if non-portrait and 270 degree landscape rotation 2056 if (page.getOrientation() != PageFormat.PORTRAIT && 2057 landscapeRotates270) { 2058 2059 double left = paper.getImageableX(); 2060 double top = paper.getImageableY(); 2061 double width = paper.getImageableWidth(); 2062 double height = paper.getImageableHeight(); 2063 paper.setImageableArea(paper.getWidth()-left-width, 2064 paper.getHeight()-top-height, 2065 width, height); 2066 page.setPaper(paper); 2067 if (page.getOrientation() == PageFormat.LANDSCAPE) { 2068 page.setOrientation(PageFormat.REVERSE_LANDSCAPE); 2069 } else { 2070 page.setOrientation(PageFormat.LANDSCAPE); 2071 } 2072 } 2073 2074 double xScale = getXRes() / 72.0; 2075 double yScale = getYRes() / 72.0; 2076 2077 /* The deviceArea is the imageable area in the printer's 2078 * resolution. 2079 */ 2080 Rectangle2D deviceArea = 2081 new Rectangle2D.Double(paper.getImageableX() * xScale, 2082 paper.getImageableY() * yScale, 2083 paper.getImageableWidth() * xScale, 2084 paper.getImageableHeight() * yScale); 2085 2086 /* Build and hold on to a uniform transform so that 2087 * we can get back to device space at the beginning 2088 * of each band. 2089 */ 2090 AffineTransform uniformTransform = new AffineTransform(); 2091 2092 /* The scale transform is used to switch from the 2093 * device space to the user's 72 dpi space. 2094 */ 2095 AffineTransform scaleTransform = new AffineTransform(); 2096 scaleTransform.scale(xScale, yScale); 2097 2098 /* bandwidth is multiple of 4 as the data is used in a win32 DIB and 2099 * some drivers behave badly if scanlines aren't multiples of 4 bytes. 2100 */ 2101 int bandWidth = (int) deviceArea.getWidth(); 2102 if (bandWidth % 4 != 0) { 2103 bandWidth += (4 - (bandWidth % 4)); 2104 } 2105 if (bandWidth <= 0) { 2106 throw new PrinterException("Paper's imageable width is too small."); 2107 } 2108 2109 int deviceAreaHeight = (int)deviceArea.getHeight(); 2110 if (deviceAreaHeight <= 0) { 2111 throw new PrinterException("Paper's imageable height is too small."); 2112 } 2113 2114 /* Figure out the number of lines that will fit into 2115 * our maximum band size. The hard coded 3 reflects the 2116 * fact that we can only create 24 bit per pixel 3 byte BGR 2117 * BufferedImages. FIX. 2118 */ 2119 int bandHeight = (MAX_BAND_SIZE / bandWidth / 3); 2120 2121 int deviceLeft = (int)Math.rint(paper.getImageableX() * xScale); 2122 int deviceTop = (int)Math.rint(paper.getImageableY() * yScale); 2123 2124 /* The device transform is used to move the band down 2125 * the page using translates. Normally this is all it 2126 * would do, but since, when printing, the Window's 2127 * DIB format wants the last line to be first (lowest) in 2128 * memory, the deviceTransform moves the origin to the 2129 * bottom of the band and flips the origin. This way the 2130 * app prints upside down into the band which is the DIB 2131 * format. 2132 */ 2133 AffineTransform deviceTransform = new AffineTransform(); 2134 deviceTransform.translate(-deviceLeft, deviceTop); 2135 deviceTransform.translate(0, bandHeight); 2136 deviceTransform.scale(1, -1); 2137 2138 /* Create a BufferedImage to hold the band. We set the clip 2139 * of the band to be tight around the bits so that the 2140 * application can use it to figure what part of the 2141 * page needs to be drawn. The clip is never altered in 2142 * this method, but we do translate the band's coordinate 2143 * system so that the app will see the clip moving down the 2144 * page though it s always around the same set of pixels. 2145 */ 2146 BufferedImage pBand = new BufferedImage(1, 1, 2147 BufferedImage.TYPE_3BYTE_BGR); 2148 2149 /* Have the app draw into a PeekGraphics object so we can 2150 * learn something about the needs of the print job. 2151 */ 2152 2153 PeekGraphics peekGraphics = createPeekGraphics(pBand.createGraphics(), 2154 this); 2155 2156 Rectangle2D.Double pageFormatArea = 2157 new Rectangle2D.Double(page.getImageableX(), 2158 page.getImageableY(), 2159 page.getImageableWidth(), 2160 page.getImageableHeight()); 2161 peekGraphics.transform(scaleTransform); 2162 peekGraphics.translate(-getPhysicalPrintableX(paper) / xScale, 2163 -getPhysicalPrintableY(paper) / yScale); 2164 peekGraphics.transform(new AffineTransform(page.getMatrix())); 2165 initPrinterGraphics(peekGraphics, pageFormatArea); 2166 AffineTransform pgAt = peekGraphics.getTransform(); 2167 2168 /* Update the information used to return a GraphicsConfiguration 2169 * for this printer device. It needs to be updated per page as 2170 * not all pages in a job may be the same size (different bounds) 2171 * The transform is the scaling transform as this corresponds to 2172 * the default transform for the device. The width and height are 2173 * those of the paper, not the page format, as we want to describe 2174 * the bounds of the device in its natural coordinate system of 2175 * device coordinate whereas a page format may be in a rotated context. 2176 */ 2177 setGraphicsConfigInfo(scaleTransform, 2178 paper.getWidth(), paper.getHeight()); 2179 int pageResult = painter.print(peekGraphics, origPage, pageIndex); 2180 debug_println("pageResult "+pageResult); 2181 if (pageResult == Printable.PAGE_EXISTS) { 2182 debug_println("startPage "+pageIndex); 2183 2184 /* We need to check if the paper size is changed. 2185 * Note that it is not sufficient to ask for the pageformat 2186 * of "pageIndex-1", since PageRanges mean that pages can be 2187 * skipped. So we have to look at the actual last paper size used. 2188 */ 2189 Paper thisPaper = page.getPaper(); 2190 boolean paperChanged = 2191 previousPaper == null || 2192 thisPaper.getWidth() != previousPaper.getWidth() || 2193 thisPaper.getHeight() != previousPaper.getHeight(); 2194 previousPaper = thisPaper; 2195 2196 startPage(page, painter, pageIndex, paperChanged); 2197 Graphics2D pathGraphics = createPathGraphics(peekGraphics, this, 2198 painter, page, 2199 pageIndex); 2200 2201 /* If we can convert the page directly to the 2202 * underlying graphics system then we do not 2203 * need to rasterize. We also may not need to 2204 * create the 'band' if all the pages can take 2205 * this path. 2206 */ 2207 if (pathGraphics != null) { 2208 pathGraphics.transform(scaleTransform); 2209 // user (0,0) should be origin of page, not imageable area 2210 pathGraphics.translate(-getPhysicalPrintableX(paper) / xScale, 2211 -getPhysicalPrintableY(paper) / yScale); 2212 pathGraphics.transform(new AffineTransform(page.getMatrix())); 2213 initPrinterGraphics(pathGraphics, pageFormatArea); 2214 2215 redrawList.clear(); 2216 2217 AffineTransform initialTx = pathGraphics.getTransform(); 2218 2219 painter.print(pathGraphics, origPage, pageIndex); 2220 2221 for (int i=0;i<redrawList.size();i++) { 2222 GraphicsState gstate = redrawList.get(i); 2223 pathGraphics.setTransform(initialTx); 2224 ((PathGraphics)pathGraphics).redrawRegion( 2225 gstate.region, 2226 gstate.sx, 2227 gstate.sy, 2228 gstate.theClip, 2229 gstate.theTransform); 2230 } 2231 2232 /* This is the banded-raster printing loop. 2233 * It should be moved into its own method. 2234 */ 2235 } else { 2236 BufferedImage band = cachedBand; 2237 if (cachedBand == null || 2238 bandWidth != cachedBandWidth || 2239 bandHeight != cachedBandHeight) { 2240 band = new BufferedImage(bandWidth, bandHeight, 2241 BufferedImage.TYPE_3BYTE_BGR); 2242 cachedBand = band; 2243 cachedBandWidth = bandWidth; 2244 cachedBandHeight = bandHeight; 2245 } 2246 Graphics2D bandGraphics = band.createGraphics(); 2247 2248 Rectangle2D.Double clipArea = 2249 new Rectangle2D.Double(0, 0, bandWidth, bandHeight); 2250 2251 initPrinterGraphics(bandGraphics, clipArea); 2252 2253 ProxyGraphics2D painterGraphics = 2254 new ProxyGraphics2D(bandGraphics, this); 2255 2256 Graphics2D clearGraphics = band.createGraphics(); 2257 clearGraphics.setColor(Color.white); 2258 2259 /* We need the actual bits of the BufferedImage to send to 2260 * the native Window's code. 'data' points to the actual 2261 * pixels. Right now these are in ARGB format with 8 bits 2262 * per component. We need to use a monochrome BufferedImage 2263 * for monochrome printers when this is supported by 2264 * BufferedImage. FIX 2265 */ 2266 ByteInterleavedRaster tile = (ByteInterleavedRaster)band.getRaster(); 2267 byte[] data = tile.getDataStorage(); 2268 2269 /* Loop over the page moving our band down the page, 2270 * calling the app to render the band, and then send the band 2271 * to the printer. 2272 */ 2273 int deviceBottom = deviceTop + deviceAreaHeight; 2274 2275 /* device's printable x,y is really addressable origin 2276 * we address relative to media origin so when we print a 2277 * band we need to adjust for the different methods of 2278 * addressing it. 2279 */ 2280 int deviceAddressableX = (int)getPhysicalPrintableX(paper); 2281 int deviceAddressableY = (int)getPhysicalPrintableY(paper); 2282 2283 for (int bandTop = 0; bandTop <= deviceAreaHeight; 2284 bandTop += bandHeight) 2285 { 2286 2287 /* Put the band back into device space and 2288 * erase the contents of the band. 2289 */ 2290 clearGraphics.fillRect(0, 0, bandWidth, bandHeight); 2291 2292 /* Put the band into the correct location on the 2293 * page. Once the band is moved we translate the 2294 * device transform so that the band will move down 2295 * the page on the next iteration of the loop. 2296 */ 2297 bandGraphics.setTransform(uniformTransform); 2298 bandGraphics.transform(deviceTransform); 2299 deviceTransform.translate(0, -bandHeight); 2300 2301 /* Switch the band from device space to user, 2302 * 72 dpi, space. 2303 */ 2304 bandGraphics.transform(scaleTransform); 2305 bandGraphics.transform(new AffineTransform(page.getMatrix())); 2306 2307 Rectangle clip = bandGraphics.getClipBounds(); 2308 clip = pgAt.createTransformedShape(clip).getBounds(); 2309 2310 if ((clip == null) || peekGraphics.hitsDrawingArea(clip) && 2311 (bandWidth > 0 && bandHeight > 0)) { 2312 2313 /* if the client has specified an imageable X or Y 2314 * which is off than the physically addressable 2315 * area of the page, then we need to adjust for that 2316 * here so that we pass only non -ve band coordinates 2317 * We also need to translate by the adjusted amount 2318 * so that printing appears in the correct place. 2319 */ 2320 int bandX = deviceLeft - deviceAddressableX; 2321 if (bandX < 0) { 2322 bandGraphics.translate(bandX/xScale,0); 2323 bandX = 0; 2324 } 2325 int bandY = deviceTop + bandTop - deviceAddressableY; 2326 if (bandY < 0) { 2327 bandGraphics.translate(0,bandY/yScale); 2328 bandY = 0; 2329 } 2330 /* Have the app's painter image into the band 2331 * and then send the band to the printer. 2332 */ 2333 painterGraphics.setDelegate((Graphics2D) bandGraphics.create()); 2334 painter.print(painterGraphics, origPage, pageIndex); 2335 painterGraphics.dispose(); 2336 printBand(data, bandX, bandY, bandWidth, bandHeight); 2337 } 2338 } 2339 2340 clearGraphics.dispose(); 2341 bandGraphics.dispose(); 2342 2343 } 2344 debug_println("calling endPage "+pageIndex); 2345 endPage(page, painter, pageIndex); 2346 } 2347 2348 return pageResult; 2349 } 2350 2351 /** 2352 * If a print job is in progress, print() has been 2353 * called but has not returned, then this signals 2354 * that the job should be cancelled and the next 2355 * chance. If there is no print job in progress then 2356 * this call does nothing. 2357 */ 2358 public void cancel() { 2359 synchronized (this) { 2360 if (performingPrinting) { 2361 userCancelled = true; 2362 } 2363 notify(); 2364 } 2365 } 2366 2367 /** 2368 * Returns true is a print job is ongoing but will 2369 * be cancelled and the next opportunity. false is 2370 * returned otherwise. 2371 */ 2372 public boolean isCancelled() { 2373 2374 boolean cancelled = false; 2375 2376 synchronized (this) { 2377 cancelled = (performingPrinting && userCancelled); 2378 notify(); 2379 } 2380 2381 return cancelled; 2382 } 2383 2384 /** 2385 * Return the Pageable describing the pages to be printed. 2386 */ 2387 protected Pageable getPageable() { 2388 return mDocument; 2389 } 2390 2391 /** 2392 * Examine the metrics captured by the 2393 * {@code PeekGraphics} instance and 2394 * if capable of directly converting this 2395 * print job to the printer's control language 2396 * or the native OS's graphics primitives, then 2397 * return a {@code PathGraphics} to perform 2398 * that conversion. If there is not an object 2399 * capable of the conversion then return 2400 * {@code null}. Returning {@code null} 2401 * causes the print job to be rasterized. 2402 */ 2403 protected Graphics2D createPathGraphics(PeekGraphics graphics, 2404 PrinterJob printerJob, 2405 Printable painter, 2406 PageFormat pageFormat, 2407 int pageIndex) { 2408 2409 return null; 2410 } 2411 2412 /** 2413 * Create and return an object that will 2414 * gather and hold metrics about the print 2415 * job. This method is passed a {@code Graphics2D} 2416 * object that can be used as a proxy for the 2417 * object gathering the print job matrics. The 2418 * method is also supplied with the instance 2419 * controlling the print job, {@code printerJob}. 2420 */ 2421 protected PeekGraphics createPeekGraphics(Graphics2D graphics, 2422 PrinterJob printerJob) { 2423 2424 return new PeekGraphics(graphics, printerJob); 2425 } 2426 2427 /** 2428 * Configure the passed in Graphics2D so that 2429 * is contains the defined initial settings 2430 * for a print job. These settings are: 2431 * color: black. 2432 * clip: <as passed in> 2433 */ 2434 // MacOSX - made protected so subclasses can reference it. 2435 protected void initPrinterGraphics(Graphics2D g, Rectangle2D clip) { 2436 2437 g.setClip(clip); 2438 g.setPaint(Color.black); 2439 } 2440 2441 2442 /** 2443 * User dialogs should disable "File" buttons if this returns false. 2444 * 2445 */ 2446 public boolean checkAllowedToPrintToFile() { 2447 try { 2448 throwPrintToFile(); 2449 return true; 2450 } catch (SecurityException e) { 2451 return false; 2452 } 2453 } 2454 2455 /** 2456 * Break this out as it may be useful when we allow API to 2457 * specify printing to a file. In that case its probably right 2458 * to throw a SecurityException if the permission is not granted 2459 */ 2460 private void throwPrintToFile() { 2461 SecurityManager security = System.getSecurityManager(); 2462 if (security != null) { 2463 if (printToFilePermission == null) { 2464 printToFilePermission = 2465 new FilePermission("<<ALL FILES>>", "read,write"); 2466 } 2467 security.checkPermission(printToFilePermission); 2468 } 2469 } 2470 2471 /* On-screen drawString renders most control chars as the missing glyph 2472 * and have the non-zero advance of that glyph. 2473 * Exceptions are \t, \n and \r which are considered zero-width. 2474 * This is a utility method used by subclasses to remove them so we 2475 * don't have to worry about platform or font specific handling of them. 2476 */ 2477 protected String removeControlChars(String s) { 2478 char[] in_chars = s.toCharArray(); 2479 int len = in_chars.length; 2480 char[] out_chars = new char[len]; 2481 int pos = 0; 2482 2483 for (int i = 0; i < len; i++) { 2484 char c = in_chars[i]; 2485 if (c > '\r' || c < '\t' || c == '\u000b' || c == '\u000c') { 2486 out_chars[pos++] = c; 2487 } 2488 } 2489 if (pos == len) { 2490 return s; // no need to make a new String. 2491 } else { 2492 return new String(out_chars, 0, pos); 2493 } 2494 } 2495 }