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
687 if (ix < 0) ix = 0; if (iy < 0) iy = 0;
688 if (iw <= 0) iw = (float)(page.getPaper().getWidth()/DPI) - (ix*2);
689
690 // If iw is still negative, it means ix is too large to print
691 // anything inside printable area if we have to leave the same margin
692 // in the right side of paper so we go back to default mpa values
693 if (iw < 0) iw = 0;
694
695 if (ih <= 0) ih = (float)(page.getPaper().getHeight()/DPI) - (iy*2);
696
697 // If ih is still negative, it means iy is too large to print
698 // anything inside printable area if we have to leave the same margin
699 // in the bottom side of paper so we go back to default mpa values
700 if (ih < 0) ih = 0;
701 try {
702 pageAttributes.add(new MediaPrintableArea(ix, iy, iw, ih,
703 MediaPrintableArea.INCH));
704 } catch (IllegalArgumentException iae) {
705 }
706 }
707
708 /**
709 * Display a dialog to the user allowing the modification of a
710 * PageFormat instance.
711 * The {@code page} argument is used to initialize controls
712 * in the page setup dialog.
713 * If the user cancels the dialog, then the method returns the
714 * original {@code page} object unmodified.
715 * If the user okays the dialog then the method returns a new
716 * PageFormat object with the indicated changes.
717 * In either case the original {@code page} object will
718 * not be modified.
719 * @param page the default PageFormat presented to the user
720 * for modification
721 * @return the original {@code page} object if the dialog
722 * is cancelled, or a new PageFormat object containing
723 * the format indicated by the user if the dialog is
724 * acknowledged
725 * @exception HeadlessException if GraphicsEnvironment.isHeadless()
726 * returns true.
727 * @see java.awt.GraphicsEnvironment#isHeadless
728 * @since 1.2
729 */
730 public PageFormat pageDialog(PageFormat page)
731 throws HeadlessException {
732 if (GraphicsEnvironment.isHeadless()) {
733 throw new HeadlessException();
734 }
735
736 final GraphicsConfiguration gc =
737 GraphicsEnvironment.getLocalGraphicsEnvironment().
738 getDefaultScreenDevice().getDefaultConfiguration();
739
740 PrintService service = java.security.AccessController.doPrivileged(
741 new java.security.PrivilegedAction<PrintService>() {
742 public PrintService run() {
743 PrintService service = getPrintService();
744 if (service == null) {
745 ServiceDialog.showNoPrintService(gc);
746 return null;
747 }
748 return service;
749 }
750 });
751
752 if (service == null) {
753 return page;
754 }
755 updatePageAttributes(service, page);
756
757 PageFormat newPage = null;
758 DialogTypeSelection dts =
759 (DialogTypeSelection)attributes.get(DialogTypeSelection.class);
760 if (dts == DialogTypeSelection.NATIVE) {
761 // Remove DialogTypeSelection.NATIVE to prevent infinite loop in
762 // RasterPrinterJob.
763 attributes.remove(DialogTypeSelection.class);
764 newPage = pageDialog(attributes);
765 // restore attribute
766 attributes.add(DialogTypeSelection.NATIVE);
767 } else {
768 newPage = pageDialog(attributes);
769 }
770
771 if (newPage == null) {
772 return page;
773 } else {
774 return newPage;
775 }
776 }
777
778 /**
779 * return a PageFormat corresponding to the updated attributes,
780 * or null if the user cancelled the dialog.
781 */
782 @SuppressWarnings("deprecation")
783 public PageFormat pageDialog(final PrintRequestAttributeSet attributes)
784 throws HeadlessException {
785 if (GraphicsEnvironment.isHeadless()) {
786 throw new HeadlessException();
787 }
788
789 DialogTypeSelection dlg =
790 (DialogTypeSelection)attributes.get(DialogTypeSelection.class);
791
792 // Check for native, note that default dialog is COMMON.
793 if (dlg == DialogTypeSelection.NATIVE) {
794 PrintService pservice = getPrintService();
795 PageFormat pageFrmAttrib = attributeToPageFormat(pservice,
796 attributes);
797 PageFormat page = pageDialog(pageFrmAttrib);
798
799 // If user cancels the dialog, pageDialog() will return the original
800 // page object and as per spec, we should return null in that case.
801 if (page == pageFrmAttrib) {
802 return null;
803 }
804 updateAttributesWithPageFormat(pservice, page, attributes);
805 return page;
806 }
807
808 GraphicsConfiguration grCfg = null;
809 Window w = KeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow();
810 if (w != null) {
811 grCfg = w.getGraphicsConfiguration();
812 } else {
813 grCfg = GraphicsEnvironment.getLocalGraphicsEnvironment().
814 getDefaultScreenDevice().getDefaultConfiguration();
815 }
816 final GraphicsConfiguration gc = grCfg;
817
818 PrintService service = java.security.AccessController.doPrivileged(
819 new java.security.PrivilegedAction<PrintService>() {
820 public PrintService run() {
821 PrintService service = getPrintService();
822 if (service == null) {
823 ServiceDialog.showNoPrintService(gc);
824 return null;
825 }
826 return service;
827 }
828 });
829
830 if (service == null) {
831 return null;
832 }
833
834 // we position the dialog a little beyond the upper-left corner of the window
835 // which is consistent with the NATIVE page dialog
836 Rectangle gcBounds = gc.getBounds();
837 int x = gcBounds.x+50;
838 int y = gcBounds.y+50;
839 ServiceDialog pageDialog = new ServiceDialog(gc, x, y, service,
840 DocFlavor.SERVICE_FORMATTED.PAGEABLE,
841 attributes, (Frame)null);
842 Rectangle dlgBounds = pageDialog.getBounds();
843
844 // if portion of dialog is not within the gc boundary
845 if (!gcBounds.contains(dlgBounds)) {
846 // check if dialog exceed window bounds at left or bottom
847 // Then position the dialog by moving it by the amount it exceeds
848 // the window bounds
849 // If it results in dialog moving beyond the window bounds at top/left
850 // then position it at window top/left
851 if (dlgBounds.x + dlgBounds.width > gcBounds.x + gcBounds.width) {
852 if ((gcBounds.x + gcBounds.width - dlgBounds.width) > gcBounds.x) {
853 x = (gcBounds.x + gcBounds.width) - dlgBounds.width;
854 } else {
855 x = gcBounds.x;
856 }
857 }
858 if (dlgBounds.y + dlgBounds.height > gcBounds.y + gcBounds.height) {
859 if ((gcBounds.y + gcBounds.height - dlgBounds.height) > gcBounds.y) {
860 y = (gcBounds.y + gcBounds.height) - dlgBounds.height;
861 } else {
862 y = gcBounds.y;
863 }
864 }
865 pageDialog.setBounds(x, y, dlgBounds.width, dlgBounds.height);
866 }
867 pageDialog.show();
868
869 if (pageDialog.getStatus() == ServiceDialog.APPROVE) {
870 PrintRequestAttributeSet newas =
871 pageDialog.getAttributes();
872 Class<?> amCategory = SunAlternateMedia.class;
873
874 if (attributes.containsKey(amCategory) &&
875 !newas.containsKey(amCategory)) {
876 attributes.remove(amCategory);
877 }
878 attributes.addAll(newas);
879 return attributeToPageFormat(service, attributes);
880 } else {
881 return null;
882 }
883 }
884
885 protected PageFormat getPageFormatFromAttributes() {
886 if (attributes == null || attributes.isEmpty()) {
887 return null;
888 }
889 return attributeToPageFormat(getPrintService(), this.attributes);
890 }
891
892
893 /**
894 * Presents the user a dialog for changing properties of the
895 * print job interactively.
896 * The services browsable here are determined by the type of
897 * service currently installed.
898 * If the application installed a StreamPrintService on this
899 * PrinterJob, only the available StreamPrintService (factories) are
900 * browsable.
901 *
902 * @param attributes to store changed properties.
903 * @return false if the user cancels the dialog and true otherwise.
904 * @exception HeadlessException if GraphicsEnvironment.isHeadless()
905 * returns true.
906 * @see java.awt.GraphicsEnvironment#isHeadless
907 */
908 public boolean printDialog(final PrintRequestAttributeSet attributes)
909 throws HeadlessException {
910 if (GraphicsEnvironment.isHeadless()) {
911 throw new HeadlessException();
912 }
913
914 DialogTypeSelection dlg =
915 (DialogTypeSelection)attributes.get(DialogTypeSelection.class);
916
917 // Check for native, note that default dialog is COMMON.
918 if (dlg == DialogTypeSelection.NATIVE) {
919 this.attributes = attributes;
920 try {
921 debug_println("calling setAttributes in printDialog");
922 setAttributes(attributes);
923
924 } catch (PrinterException e) {
925
926 }
927
928 boolean ret = printDialog();
929 this.attributes = attributes;
930 return ret;
931
932 }
933
934 /* A security check has already been performed in the
935 * java.awt.print.printerJob.getPrinterJob method.
936 * So by the time we get here, it is OK for the current thread
937 * to print either to a file (from a Dialog we control!) or
938 * to a chosen printer.
939 *
940 * We raise privilege when we put up the dialog, to avoid
941 * the "warning applet window" banner.
942 */
943 GraphicsConfiguration grCfg = null;
944 Window w = KeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow();
945 if (w != null) {
946 grCfg = w.getGraphicsConfiguration();
947 } else {
948 grCfg = GraphicsEnvironment.getLocalGraphicsEnvironment().
949 getDefaultScreenDevice().getDefaultConfiguration();
950 }
951 final GraphicsConfiguration gc = grCfg;
952
953 PrintService service = java.security.AccessController.doPrivileged(
954 new java.security.PrivilegedAction<PrintService>() {
955 public PrintService run() {
956 PrintService service = getPrintService();
957 if (service == null) {
958 ServiceDialog.showNoPrintService(gc);
959 return null;
960 }
961 return service;
962 }
963 });
964
965 if (service == null) {
966 return false;
967 }
968
969 PrintService[] services;
970 StreamPrintServiceFactory[] spsFactories = null;
971 if (service instanceof StreamPrintService) {
972 spsFactories = lookupStreamPrintServices(null);
973 services = new StreamPrintService[spsFactories.length];
974 for (int i=0; i<spsFactories.length; i++) {
975 services[i] = spsFactories[i].getPrintService(null);
976 }
977 } else {
978 services = java.security.AccessController.doPrivileged(
979 new java.security.PrivilegedAction<PrintService[]>() {
980 public PrintService[] run() {
981 PrintService[] services = PrinterJob.lookupPrintServices();
982 return services;
983 }
984 });
985
986 if ((services == null) || (services.length == 0)) {
987 /*
988 * No services but default PrintService exists?
989 * Create services using defaultService.
990 */
991 services = new PrintService[1];
992 services[0] = service;
993 }
994 }
995
996 // we position the dialog a little beyond the upper-left corner of the window
997 // which is consistent with the NATIVE print dialog
998 int x = 50;
999 int y = 50;
1000 PrintService newService;
1001 // temporarily add an attribute pointing back to this job.
1002 PrinterJobWrapper jobWrapper = new PrinterJobWrapper(this);
1003 attributes.add(jobWrapper);
1004 try {
1005 newService =
1006 ServiceUI.printDialog(gc, x, y,
1007 services, service,
1008 DocFlavor.SERVICE_FORMATTED.PAGEABLE,
1009 attributes);
1010 } catch (IllegalArgumentException iae) {
1011 newService = ServiceUI.printDialog(gc, x, y,
1012 services, services[0],
1013 DocFlavor.SERVICE_FORMATTED.PAGEABLE,
1014 attributes);
1015 }
1016 attributes.remove(PrinterJobWrapper.class);
1017
1018 if (newService == null) {
1019 return false;
1020 }
1021
1022 if (!service.equals(newService)) {
1023 try {
1024 setPrintService(newService);
1025 } catch (PrinterException e) {
1026 /*
1027 * The only time it would throw an exception is when
1028 * newService is no longer available but we should still
1029 * select this printer.
1030 */
1031 myService = newService;
1032 }
1033 }
1034 return true;
1035 }
1036
1037 /**
1038 * Presents the user a dialog for changing properties of the
1039 * print job interactively.
1040 * @return false if the user cancels the dialog and
1041 * true otherwise.
1042 * @exception HeadlessException if GraphicsEnvironment.isHeadless()
1043 * returns true.
1044 * @see java.awt.GraphicsEnvironment#isHeadless
1045 */
1046 public boolean printDialog() throws HeadlessException {
1047
1048 if (GraphicsEnvironment.isHeadless()) {
1049 throw new HeadlessException();
1050 }
1051
1052 PrintRequestAttributeSet attributes =
1053 new HashPrintRequestAttributeSet();
1054 attributes.add(new Copies(getCopies()));
1055 attributes.add(new JobName(getJobName(), null));
1056 boolean doPrint = printDialog(attributes);
1057 if (doPrint) {
1058 JobName jobName = (JobName)attributes.get(JobName.class);
1059 if (jobName != null) {
1060 setJobName(jobName.getValue());
1061 }
1062 Copies copies = (Copies)attributes.get(Copies.class);
1063 if (copies != null) {
1064 setCopies(copies.getValue());
1065 }
1066
1067 Destination dest = (Destination)attributes.get(Destination.class);
1068
1069 if (dest != null) {
1070 try {
1071 mDestType = RasterPrinterJob.FILE;
1072 mDestination = (new File(dest.getURI())).getPath();
1073 } catch (Exception e) {
1074 mDestination = "out.prn";
1075 PrintService ps = getPrintService();
1076 if (ps != null) {
1077 Destination defaultDest = (Destination)ps.
1078 getDefaultAttributeValue(Destination.class);
1079 if (defaultDest != null) {
1080 mDestination = (new File(defaultDest.getURI())).getPath();
1081 }
1082 }
1083 }
1084 } else {
1085 mDestType = RasterPrinterJob.PRINTER;
1086 PrintService ps = getPrintService();
1087 if (ps != null) {
1088 mDestination = ps.getName();
1089 }
1090 }
1091 }
1092
1093 return doPrint;
1094 }
1095
1096 /**
1097 * The pages in the document to be printed by this PrinterJob
1098 * are drawn by the Printable object 'painter'. The PageFormat
1099 * for each page is the default page format.
1100 * @param painter Called to render each page of the document.
1101 */
1102 public void setPrintable(Printable painter) {
1103 setPageable(new OpenBook(defaultPage(new PageFormat()), painter));
1104 }
1105
1106 /**
1107 * The pages in the document to be printed by this PrinterJob
1108 * are drawn by the Printable object 'painter'. The PageFormat
1109 * of each page is 'format'.
1110 * @param painter Called to render each page of the document.
1111 * @param format The size and orientation of each page to
1112 * be printed.
1113 */
1114 public void setPrintable(Printable painter, PageFormat format) {
1115 setPageable(new OpenBook(format, painter));
1116 updatePageAttributes(getPrintService(), format);
1117 }
1118
1119 /**
1120 * The pages in the document to be printed are held by the
1121 * Pageable instance 'document'. 'document' will be queried
1122 * for the number of pages as well as the PageFormat and
1123 * Printable for each page.
1124 * @param document The document to be printed. It may not be null.
1125 * @exception NullPointerException the Pageable passed in was null.
1126 * @see PageFormat
1127 * @see Printable
1128 */
1129 public void setPageable(Pageable document) throws NullPointerException {
1130 if (document != null) {
1131 mDocument = document;
1132
1133 } else {
1134 throw new NullPointerException();
1135 }
1136 }
1137
1138 protected void initPrinter() {
1139 return;
1140 }
1141
1142 protected boolean isSupportedValue(Attribute attrval,
1143 PrintRequestAttributeSet attrset) {
1144 PrintService ps = getPrintService();
1145 return
1146 (attrval != null && ps != null &&
1147 ps.isAttributeValueSupported(attrval,
1148 DocFlavor.SERVICE_FORMATTED.PAGEABLE,
1149 attrset));
1150 }
1151
1152 /**
1153 * Set the device resolution.
1154 * Overridden and used only by the postscript code.
1155 * Windows code pulls the information from the attribute set itself.
1156 */
1157 protected void setXYRes(double x, double y) {
1158 }
1159
1160 /* subclasses may need to pull extra information out of the attribute set
1161 * They can override this method & call super.setAttributes()
1162 */
1163 protected void setAttributes(PrintRequestAttributeSet attributes)
1164 throws PrinterException {
1165 /* reset all values to defaults */
1166 setCollated(false);
1167 sidesAttr = null;
1168 printerResAttr = null;
1169 pageRangesAttr = null;
1170 copiesAttr = 0;
1171 jobNameAttr = null;
1172 userNameAttr = null;
1173 destinationAttr = null;
1174 collateAttReq = false;
1175
1176 PrintService service = getPrintService();
1177 if (attributes == null || service == null) {
1178 return;
1179 }
1180
1181 boolean fidelity = false;
1182 Fidelity attrFidelity = (Fidelity)attributes.get(Fidelity.class);
1183 if (attrFidelity != null && attrFidelity == Fidelity.FIDELITY_TRUE) {
1184 fidelity = true;
1185 }
1186
1187 if (fidelity == true) {
1188 AttributeSet unsupported =
1189 service.getUnsupportedAttributes(
1190 DocFlavor.SERVICE_FORMATTED.PAGEABLE,
1191 attributes);
1192 if (unsupported != null) {
1193 throw new PrinterException("Fidelity cannot be satisfied");
1194 }
1195 }
1196
1197 /*
1198 * Since we have verified supported values if fidelity is true,
1199 * we can either ignore unsupported values, or substitute a
1200 * reasonable alternative
1201 */
1202
1203 SheetCollate collateAttr =
1204 (SheetCollate)attributes.get(SheetCollate.class);
1205 if (isSupportedValue(collateAttr, attributes)) {
1206 setCollated(collateAttr == SheetCollate.COLLATED);
1207 }
1208
1209 sidesAttr = (Sides)attributes.get(Sides.class);
1210 if (!isSupportedValue(sidesAttr, attributes)) {
1211 sidesAttr = Sides.ONE_SIDED;
1212 }
1213
1214 printerResAttr = (PrinterResolution)attributes.get(PrinterResolution.class);
1215 if (service.isAttributeCategorySupported(PrinterResolution.class)) {
1216 if (!isSupportedValue(printerResAttr, attributes)) {
1217 printerResAttr = (PrinterResolution)
1218 service.getDefaultAttributeValue(PrinterResolution.class);
1219 }
1220 double xr =
1221 printerResAttr.getCrossFeedResolution(ResolutionSyntax.DPI);
1222 double yr = printerResAttr.getFeedResolution(ResolutionSyntax.DPI);
1223 setXYRes(xr, yr);
1224 }
1225
1226 pageRangesAttr = (PageRanges)attributes.get(PageRanges.class);
1227 if (!isSupportedValue(pageRangesAttr, attributes)) {
1228 pageRangesAttr = null;
1229 setPageRange(-1, -1);
1230 } else {
1231 if ((SunPageSelection)attributes.get(SunPageSelection.class)
1232 == SunPageSelection.RANGE) {
1233 // get to, from, min, max page ranges
1234 int[][] range = pageRangesAttr.getMembers();
1235 // setPageRanges uses 0-based indexing so we subtract 1
1236 setPageRange(range[0][0] - 1, range[0][1] - 1);
1237 } else {
1238 setPageRange(-1, - 1);
1239 }
1240 }
1241
1242 Copies copies = (Copies)attributes.get(Copies.class);
1243 if (isSupportedValue(copies, attributes) ||
1244 (!fidelity && copies != null)) {
1245 copiesAttr = copies.getValue();
1246 setCopies(copiesAttr);
1247 } else {
1248 copiesAttr = getCopies();
1249 }
1250
1251 Destination destination =
1252 (Destination)attributes.get(Destination.class);
1253
1254 if (isSupportedValue(destination, attributes)) {
1255 try {
1256 // Old code (new File(destination.getURI())).getPath()
1257 // would generate a "URI is not hierarchical" IAE
1258 // for "file:out.prn" so we use getSchemeSpecificPart instead
1259 destinationAttr = "" + new File(destination.getURI().
1260 getSchemeSpecificPart());
1261 } catch (Exception e) { // paranoid exception
1262 Destination defaultDest = (Destination)service.
1263 getDefaultAttributeValue(Destination.class);
1264 if (defaultDest != null) {
1265 destinationAttr = "" + new File(defaultDest.getURI().
1266 getSchemeSpecificPart());
1267 }
1268 }
1269 }
1270
1271 JobSheets jobSheets = (JobSheets)attributes.get(JobSheets.class);
1272 if (jobSheets != null) {
1273 noJobSheet = jobSheets == JobSheets.NONE;
1274 }
1275
1276 JobName jobName = (JobName)attributes.get(JobName.class);
1277 if (isSupportedValue(jobName, attributes) ||
1278 (!fidelity && jobName != null)) {
1279 jobNameAttr = jobName.getValue();
1280 setJobName(jobNameAttr);
1281 } else {
1282 jobNameAttr = getJobName();
1283 }
1284
1285 RequestingUserName userName =
1286 (RequestingUserName)attributes.get(RequestingUserName.class);
1287 if (isSupportedValue(userName, attributes) ||
1288 (!fidelity && userName != null)) {
1289 userNameAttr = userName.getValue();
1290 } else {
1291 try {
1292 userNameAttr = getUserName();
1293 } catch (SecurityException e) {
1294 userNameAttr = "";
1295 }
1296 }
1297
1298 /* OpenBook is used internally only when app uses Printable.
1299 * This is the case when we use the values from the attribute set.
1300 */
1301 Media media = (Media)attributes.get(Media.class);
1302 OrientationRequested orientReq =
1303 (OrientationRequested)attributes.get(OrientationRequested.class);
1304 MediaPrintableArea mpa =
1305 (MediaPrintableArea)attributes.get(MediaPrintableArea.class);
1306
1307 if ((orientReq != null || media != null || mpa != null) &&
1308 getPageable() instanceof OpenBook) {
1309
1310 /* We could almost(!) use PrinterJob.getPageFormat() except
1311 * here we need to start with the PageFormat from the OpenBook :
1312 */
1313 Pageable pageable = getPageable();
1314 Printable printable = pageable.getPrintable(0);
1315 PageFormat pf = (PageFormat)pageable.getPageFormat(0).clone();
1316 Paper paper = pf.getPaper();
1317
1318 /* If there's a media but no media printable area, we can try
1319 * to retrieve the default value for mpa and use that.
1320 */
1321 if (mpa == null && media != null &&
1322 service.
1323 isAttributeCategorySupported(MediaPrintableArea.class)) {
1324 Object mpaVals = service.
1325 getSupportedAttributeValues(MediaPrintableArea.class,
1326 null, attributes);
1327 if (mpaVals instanceof MediaPrintableArea[] &&
1328 ((MediaPrintableArea[])mpaVals).length > 0) {
1329 mpa = ((MediaPrintableArea[])mpaVals)[0];
1330 }
1331 }
1332
1333 if (isSupportedValue(orientReq, attributes) ||
1334 (!fidelity && orientReq != null)) {
1335 int orient;
1336 if (orientReq.equals(OrientationRequested.REVERSE_LANDSCAPE)) {
1337 orient = PageFormat.REVERSE_LANDSCAPE;
1338 } else if (orientReq.equals(OrientationRequested.LANDSCAPE)) {
1339 orient = PageFormat.LANDSCAPE;
1340 } else {
1341 orient = PageFormat.PORTRAIT;
1342 }
1343 pf.setOrientation(orient);
1344 }
1345
1346 if (isSupportedValue(media, attributes) ||
1347 (!fidelity && media != null)) {
1348 if (media instanceof MediaSizeName) {
1349 MediaSizeName msn = (MediaSizeName)media;
1350 MediaSize msz = MediaSize.getMediaSizeForName(msn);
1351 if (msz != null) {
1352 float paperWid = msz.getX(MediaSize.INCH) * 72.0f;
1353 float paperHgt = msz.getY(MediaSize.INCH) * 72.0f;
1354 paper.setSize(paperWid, paperHgt);
1355 if (mpa == null) {
1356 paper.setImageableArea(72.0, 72.0,
1357 paperWid-144.0,
1358 paperHgt-144.0);
1359 }
1360 }
1361 }
1362 }
1363
1364 if (isSupportedValue(mpa, attributes) ||
1365 (!fidelity && mpa != null)) {
1366 float [] printableArea =
1367 mpa.getPrintableArea(MediaPrintableArea.INCH);
1368 for (int i=0; i < printableArea.length; i++) {
1369 printableArea[i] = printableArea[i]*72.0f;
1370 }
1371 paper.setImageableArea(printableArea[0], printableArea[1],
1372 printableArea[2], printableArea[3]);
1373 }
1374
1375 pf.setPaper(paper);
1376 pf = validatePage(pf);
1377 setPrintable(printable, pf);
1378 } else {
1379 // for AWT where pageable is not an instance of OpenBook,
1380 // we need to save paper info
1381 this.attributes = attributes;
1382 }
1383
1384 }
1385
1386 /*
1387 * Services we don't recognize as built-in services can't be
1388 * implemented as subclasses of PrinterJob, therefore we create
1389 * a DocPrintJob from their service and pass a Doc representing
1390 * the application's printjob
1391 */
1392 // MacOSX - made protected so subclasses can reference it.
1393 protected void spoolToService(PrintService psvc,
1394 PrintRequestAttributeSet attributes)
1395 throws PrinterException {
1396
1397 if (psvc == null) {
1398 throw new PrinterException("No print service found.");
1399 }
1400
1401 DocPrintJob job = psvc.createPrintJob();
1402 Doc doc = new PageableDoc(getPageable());
1403 if (attributes == null) {
1404 attributes = new HashPrintRequestAttributeSet();
1405 attributes.add(new Copies(getCopies()));
1406 attributes.add(new JobName(getJobName(), null));
1407 }
1408 try {
1409 job.print(doc, attributes);
1410 } catch (PrintException e) {
1411 throw new PrinterException(e.toString());
1412 }
1413 }
1414
1415 /**
1416 * Prints a set of pages.
1417 * @exception java.awt.print.PrinterException an error in the print system
1418 * caused the job to be aborted
1419 * @see java.awt.print.Book
1420 * @see java.awt.print.Pageable
1421 * @see java.awt.print.Printable
1422 */
1423 public void print() throws PrinterException {
1424 attributes.remove(PageRanges.class);
1425 print(attributes);
1426 }
1427
1428 public static boolean debugPrint = false;
1429 protected void debug_println(String str) {
1430 if (debugPrint) {
1431 System.out.println("RasterPrinterJob "+str+" "+this);
1432 }
1433 }
1434
1435 public void print(PrintRequestAttributeSet attributes)
1436 throws PrinterException {
1437
1438 /*
1439 * In the future PrinterJob will probably always dispatch
1440 * the print job to the PrintService.
1441 * This is how third party 2D Print Services will be invoked
1442 * when applications use the PrinterJob API.
1443 * However the JRE's concrete PrinterJob implementations have
1444 * not yet been re-worked to be implemented as standalone
1445 * services, and are implemented only as subclasses of PrinterJob.
1446 * So here we dispatch only those services we do not recognize
1447 * as implemented through platform subclasses of PrinterJob
1448 * (and this class).
1449 */
1450 PrintService psvc = getPrintService();
1451 debug_println("psvc = "+psvc);
1452 if (psvc == null) {
1453 throw new PrinterException("No print service found.");
1454 }
1455
1456 // Check the list of services. This service may have been
1457 // deleted already
1458 PrinterState prnState = psvc.getAttribute(PrinterState.class);
1459 if (prnState == PrinterState.STOPPED) {
1460 PrinterStateReasons prnStateReasons =
1461 psvc.getAttribute(PrinterStateReasons.class);
1462 if ((prnStateReasons != null) &&
1463 (prnStateReasons.containsKey(PrinterStateReason.SHUTDOWN)))
1464 {
1465 throw new PrinterException("PrintService is no longer available.");
1466 }
1467 }
1468
1469 if ((psvc.getAttribute(PrinterIsAcceptingJobs.class)) ==
1470 PrinterIsAcceptingJobs.NOT_ACCEPTING_JOBS) {
1471 throw new PrinterException("Printer is not accepting job.");
1472 }
1473
1474 if ((psvc instanceof SunPrinterJobService) &&
1475 ((SunPrinterJobService)psvc).usesClass(getClass())) {
1476 setAttributes(attributes);
1477 // throw exception for invalid destination
1478 if (destinationAttr != null) {
1479 validateDestination(destinationAttr);
1480 }
1481 } else {
1482 spoolToService(psvc, attributes);
1483 return;
1484 }
1485 /* We need to make sure that the collation and copies
1486 * settings are initialised */
1487 initPrinter();
1488
1489 int numCollatedCopies = getCollatedCopies();
1490 int numNonCollatedCopies = getNoncollatedCopies();
1491 debug_println("getCollatedCopies() "+numCollatedCopies
1492 + " getNoncollatedCopies() "+ numNonCollatedCopies);
1493
1494 /* Get the range of pages we are to print. If the
1495 * last page to print is unknown, then we print to
1496 * the end of the document. Note that firstPage
1497 * and lastPage are 0 based page indices.
1498 */
1499 int numPages = mDocument.getNumberOfPages();
1500 if (numPages == 0) {
1501 return;
1502 }
1503
1504 int firstPage = getFirstPage();
1505 int lastPage = getLastPage();
1506 if(lastPage == Pageable.UNKNOWN_NUMBER_OF_PAGES){
1507 int totalPages = mDocument.getNumberOfPages();
1508 if (totalPages != Pageable.UNKNOWN_NUMBER_OF_PAGES) {
1509 lastPage = mDocument.getNumberOfPages() - 1;
1510 }
1511 }
1512
1513 try {
1514 synchronized (this) {
1515 performingPrinting = true;
1516 userCancelled = false;
1517 }
1518
1519 startDoc();
1520 if (isCancelled()) {
1521 cancelDoc();
1522 }
1523
1524 // PageRanges can be set even if RANGE is not selected
1525 // so we need to check if it is selected.
1526 boolean rangeIsSelected = true;
1527 if (attributes != null) {
1528 SunPageSelection pages =
1529 (SunPageSelection)attributes.get(SunPageSelection.class);
1530 if ((pages != null) && (pages != SunPageSelection.RANGE)) {
1531 rangeIsSelected = false;
1532 }
1533 }
1534
1535
1536 debug_println("after startDoc rangeSelected? "+rangeIsSelected
1537 + " numNonCollatedCopies "+ numNonCollatedCopies);
1538
1539
1540 /* Three nested loops iterate over the document. The outer loop
1541 * counts the number of collated copies while the inner loop
1542 * counts the number of nonCollated copies. Normally, one of
1543 * these two loops will only execute once; that is we will
1544 * either print collated copies or noncollated copies. The
1545 * middle loop iterates over the pages.
1546 * If a PageRanges attribute is used, it constrains the pages
1547 * that are imaged. If a platform subclass (though a user dialog)
1548 * requests a page range via setPageRange(). it too can
1549 * constrain the page ranges that are imaged.
1550 * It is expected that only one of these will be used in a
1551 * job but both should be able to co-exist.
1552 */
1553 for(int collated = 0; collated < numCollatedCopies; collated++) {
1554 for(int i = firstPage, pageResult = Printable.PAGE_EXISTS;
1555 (i <= lastPage ||
1556 lastPage == Pageable.UNKNOWN_NUMBER_OF_PAGES)
1557 && pageResult == Printable.PAGE_EXISTS;
1558 i++)
1559 {
1560
1561 if ((pageRangesAttr != null) && rangeIsSelected ){
1562 int nexti = pageRangesAttr.next(i);
1563 if (nexti == -1) {
1564 break;
1565 } else if (nexti != i+1) {
1566 continue;
1567 }
1568 }
1569
1570 for(int nonCollated = 0;
1571 nonCollated < numNonCollatedCopies
1572 && pageResult == Printable.PAGE_EXISTS;
1573 nonCollated++)
1574 {
1575 if (isCancelled()) {
1576 cancelDoc();
1577 }
1578 debug_println("printPage "+i);
1579 pageResult = printPage(mDocument, i);
1580
1581 }
1582 }
1583 }
1584
1585 if (isCancelled()) {
1586 cancelDoc();
1587 }
1588
1589 } finally {
1590 // reset previousPaper in case this job is invoked again.
1591 previousPaper = null;
1592 synchronized (this) {
1593 if (performingPrinting) {
1594 endDoc();
1595 }
1596 performingPrinting = false;
1597 notify();
1598 }
1599 }
1600 }
1601
1602 protected void validateDestination(String dest) throws PrinterException {
1603 if (dest == null) {
1604 return;
1605 }
1606 // dest is null for Destination(new URI(""))
1607 // because isAttributeValueSupported returns false in setAttributes
1608
1609 // Destination(new URI(" ")) throws URISyntaxException
1610 File f = new File(dest);
1611 try {
1612 // check if this is a new file and if filename chars are valid
1613 if (f.createNewFile()) {
1614 f.delete();
1615 }
1616 } catch (IOException ioe) {
1617 throw new PrinterException("Cannot write to file:"+
1618 dest);
1619 } catch (SecurityException se) {
1620 //There is already file read/write access so at this point
1621 // only delete access is denied. Just ignore it because in
1622 // most cases the file created in createNewFile gets overwritten
1623 // anyway.
1624 }
1625
1626 File pFile = f.getParentFile();
1627 if ((f.exists() &&
1628 (!f.isFile() || !f.canWrite())) ||
1629 ((pFile != null) &&
1630 (!pFile.exists() || (pFile.exists() && !pFile.canWrite())))) {
1631 if (f.exists()) {
1632 f.delete();
1633 }
1634 throw new PrinterException("Cannot write to file:"+
1635 dest);
1636 }
1637 }
1638
1639 /**
1640 * updates a Paper object to reflect the current printer's selected
1641 * paper size and imageable area for that paper size.
1642 * Default implementation copies settings from the original, applies
1643 * applies some validity checks, changes them only if they are
1644 * clearly unreasonable, then sets them into the new Paper.
1645 * Subclasses are expected to override this method to make more
1646 * informed decisons.
1647 */
1648 protected void validatePaper(Paper origPaper, Paper newPaper) {
1649 if (origPaper == null || newPaper == null) {
1650 return;
1651 } else {
1652 double wid = origPaper.getWidth();
1653 double hgt = origPaper.getHeight();
1654 double ix = origPaper.getImageableX();
1655 double iy = origPaper.getImageableY();
1656 double iw = origPaper.getImageableWidth();
1657 double ih = origPaper.getImageableHeight();
1658
1659 /* Assume any +ve values are legal. Overall paper dimensions
1660 * take precedence. Make sure imageable area fits on the paper.
1661 */
1662 Paper defaultPaper = new Paper();
1663 wid = ((wid > 0.0) ? wid : defaultPaper.getWidth());
1664 hgt = ((hgt > 0.0) ? hgt : defaultPaper.getHeight());
1665 ix = ((ix > 0.0) ? ix : defaultPaper.getImageableX());
1666 iy = ((iy > 0.0) ? iy : defaultPaper.getImageableY());
1667 iw = ((iw > 0.0) ? iw : defaultPaper.getImageableWidth());
1668 ih = ((ih > 0.0) ? ih : defaultPaper.getImageableHeight());
1669 /* full width/height is not likely to be imageable, but since we
1670 * don't know the limits we have to allow it
1671 */
1672 if (iw > wid) {
1673 iw = wid;
1674 }
1675 if (ih > hgt) {
1676 ih = hgt;
1677 }
1678 if ((ix + iw) > wid) {
1679 ix = wid - iw;
1680 }
1681 if ((iy + ih) > hgt) {
1682 iy = hgt - ih;
1683 }
1684 newPaper.setSize(wid, hgt);
1685 newPaper.setImageableArea(ix, iy, iw, ih);
1686 }
1687 }
1688
1689 /**
1690 * The passed in PageFormat will be copied and altered to describe
1691 * the default page size and orientation of the PrinterJob's
1692 * current printer.
1693 * Platform subclasses which can access the actual default paper size
1694 * for a printer may override this method.
1695 */
1696 public PageFormat defaultPage(PageFormat page) {
1697 PageFormat newPage = (PageFormat)page.clone();
1698 newPage.setOrientation(PageFormat.PORTRAIT);
1699 Paper newPaper = new Paper();
1700 double ptsPerInch = 72.0;
1701 double w, h;
1702 Media media = null;
1703
1704 PrintService service = getPrintService();
1705 if (service != null) {
1706 MediaSize size;
1707 media =
1708 (Media)service.getDefaultAttributeValue(Media.class);
1709
1710 if (media instanceof MediaSizeName &&
1711 ((size = MediaSize.getMediaSizeForName((MediaSizeName)media)) !=
1712 null)) {
1713 w = size.getX(MediaSize.INCH) * ptsPerInch;
1714 h = size.getY(MediaSize.INCH) * ptsPerInch;
1715 newPaper.setSize(w, h);
1716 newPaper.setImageableArea(ptsPerInch, ptsPerInch,
1717 w - 2.0*ptsPerInch,
1718 h - 2.0*ptsPerInch);
1719 newPage.setPaper(newPaper);
1720 return newPage;
1721
1722 }
1723 }
1724
1725 /* Default to A4 paper outside North America.
1726 */
1727 String defaultCountry = Locale.getDefault().getCountry();
1728 if (!Locale.getDefault().equals(Locale.ENGLISH) && // ie "C"
1729 defaultCountry != null &&
1730 !defaultCountry.equals(Locale.US.getCountry()) &&
1731 !defaultCountry.equals(Locale.CANADA.getCountry())) {
1732
1733 double mmPerInch = 25.4;
1734 w = Math.rint((210.0*ptsPerInch)/mmPerInch);
1735 h = Math.rint((297.0*ptsPerInch)/mmPerInch);
1736 newPaper.setSize(w, h);
1737 newPaper.setImageableArea(ptsPerInch, ptsPerInch,
1738 w - 2.0*ptsPerInch,
1739 h - 2.0*ptsPerInch);
1740 }
1741
1742 newPage.setPaper(newPaper);
1743
1744 return newPage;
1745 }
1746
1747 /**
1748 * The passed in PageFormat is cloned and altered to be usable on
1749 * the PrinterJob's current printer.
1750 */
1751 public PageFormat validatePage(PageFormat page) {
1752 PageFormat newPage = (PageFormat)page.clone();
1753 Paper newPaper = new Paper();
1754 validatePaper(newPage.getPaper(), newPaper);
1755 newPage.setPaper(newPaper);
1756
1757 return newPage;
1758 }
1759
1760 /**
1761 * Set the number of copies to be printed.
1762 */
1763 public void setCopies(int copies) {
1764 mNumCopies = copies;
1765 }
1766
1767 /**
1768 * Get the number of copies to be printed.
1769 */
1770 public int getCopies() {
1771 return mNumCopies;
1772 }
1773
1774 /* Used when executing a print job where an attribute set may
1775 * over ride API values.
1776 */
1777 protected int getCopiesInt() {
1778 return (copiesAttr > 0) ? copiesAttr : getCopies();
1779 }
1780
1781 /**
1782 * Get the name of the printing user.
1783 * The caller must have security permission to read system properties.
1784 */
1785 public String getUserName() {
1786 return System.getProperty("user.name");
1787 }
1788
1789 /* Used when executing a print job where an attribute set may
1790 * over ride API values.
1791 */
1792 protected String getUserNameInt() {
1793 if (userNameAttr != null) {
1794 return userNameAttr;
1795 } else {
1796 try {
1797 return getUserName();
1798 } catch (SecurityException e) {
1799 return "";
1800 }
1801 }
1802 }
1803
1804 /**
1805 * Set the name of the document to be printed.
1806 * The document name can not be null.
1807 */
1808 public void setJobName(String jobName) {
1809 if (jobName != null) {
1810 mDocName = jobName;
1811 } else {
1812 throw new NullPointerException();
1813 }
1814 }
1815
1816 /**
1817 * Get the name of the document to be printed.
1818 */
1819 public String getJobName() {
1820 return mDocName;
1821 }
1822
1823 /* Used when executing a print job where an attribute set may
1824 * over ride API values.
1825 */
1826 protected String getJobNameInt() {
1827 return (jobNameAttr != null) ? jobNameAttr : getJobName();
1828 }
1829
1830 /**
1831 * Set the range of pages from a Book to be printed.
1832 * Both 'firstPage' and 'lastPage' are zero based
1833 * page indices. If either parameter is less than
1834 * zero then the page range is set to be from the
1835 * first page to the last.
1836 */
1837 protected void setPageRange(int firstPage, int lastPage) {
1838 if(firstPage >= 0 && lastPage >= 0) {
1839 mFirstPage = firstPage;
1840 mLastPage = lastPage;
1841 if(mLastPage < mFirstPage) mLastPage = mFirstPage;
1842 } else {
1843 mFirstPage = Pageable.UNKNOWN_NUMBER_OF_PAGES;
1844 mLastPage = Pageable.UNKNOWN_NUMBER_OF_PAGES;
1845 }
1846 }
1847
1848 /**
1849 * Return the zero based index of the first page to
1850 * be printed in this job.
1851 */
1852 protected int getFirstPage() {
1853 return mFirstPage == Book.UNKNOWN_NUMBER_OF_PAGES ? 0 : mFirstPage;
1854 }
1855
1856 /**
1857 * Return the zero based index of the last page to
1858 * be printed in this job.
1859 */
1860 protected int getLastPage() {
1861 return mLastPage;
1862 }
1863
1864 /**
1865 * Set whether copies should be collated or not.
1866 * Two collated copies of a three page document
1867 * print in this order: 1, 2, 3, 1, 2, 3 while
1868 * uncollated copies print in this order:
1869 * 1, 1, 2, 2, 3, 3.
1870 * This is set when request is using an attribute set.
1871 */
1872 protected void setCollated(boolean collate) {
1873 mCollate = collate;
1874 collateAttReq = true;
1875 }
1876
1877 /**
1878 * Return true if collated copies will be printed as determined
1879 * in an attribute set.
1880 */
1881 protected boolean isCollated() {
1882 return mCollate;
1883 }
1884
1885 protected final int getSelectAttrib() {
1886 if (attributes != null) {
1887 SunPageSelection pages =
1888 (SunPageSelection)attributes.get(SunPageSelection.class);
1889 if (pages == SunPageSelection.RANGE) {
1890 return PD_PAGENUMS;
1891 } else if (pages == SunPageSelection.SELECTION) {
1892 return PD_SELECTION;
1893 } else if (pages == SunPageSelection.ALL) {
1894 return PD_ALLPAGES;
1895 }
1896 }
1897 return PD_NOSELECTION;
1898 }
1899
1900 //returns 1-based index for "From" page
1901 protected final int getFromPageAttrib() {
1902 if (attributes != null) {
1903 PageRanges pageRangesAttr =
1904 (PageRanges)attributes.get(PageRanges.class);
1905 if (pageRangesAttr != null) {
1906 int[][] range = pageRangesAttr.getMembers();
1907 return range[0][0];
1908 }
1909 }
1910 return getMinPageAttrib();
1911 }
1912
1913 //returns 1-based index for "To" page
1914 protected final int getToPageAttrib() {
1915 if (attributes != null) {
1916 PageRanges pageRangesAttr =
1917 (PageRanges)attributes.get(PageRanges.class);
1918 if (pageRangesAttr != null) {
1919 int[][] range = pageRangesAttr.getMembers();
1920 return range[range.length-1][1];
1921 }
1922 }
1923 return getMaxPageAttrib();
1924 }
1925
1926 protected final int getMinPageAttrib() {
1927 if (attributes != null) {
1928 SunMinMaxPage s =
1929 (SunMinMaxPage)attributes.get(SunMinMaxPage.class);
1930 if (s != null) {
1931 return s.getMin();
1932 }
1933 }
1934 return 1;
1935 }
1936
1937 protected final int getMaxPageAttrib() {
1938 if (attributes != null) {
1939 SunMinMaxPage s =
1940 (SunMinMaxPage)attributes.get(SunMinMaxPage.class);
1941 if (s != null) {
1942 return s.getMax();
1943 }
1944 }
1945
1946 Pageable pageable = getPageable();
1947 if (pageable != null) {
1948 int numPages = pageable.getNumberOfPages();
1949 if (numPages <= Pageable.UNKNOWN_NUMBER_OF_PAGES) {
1950 numPages = MAX_UNKNOWN_PAGES;
1951 }
1952 return ((numPages == 0) ? 1 : numPages);
1953 }
1954
1955 return Integer.MAX_VALUE;
1956 }
1957 /**
1958 * Called by the print() method at the start of
1959 * a print job.
1960 */
1961 protected abstract void startDoc() throws PrinterException;
1962
1963 /**
1964 * Called by the print() method at the end of
1965 * a print job.
1966 */
1967 protected abstract void endDoc() throws PrinterException;
1968
1969 /* Called by cancelDoc */
1970 protected abstract void abortDoc();
1971
1972 // MacOSX - made protected so subclasses can reference it.
1973 protected void cancelDoc() throws PrinterAbortException {
1974 abortDoc();
1975 synchronized (this) {
1976 userCancelled = false;
1977 performingPrinting = false;
1978 notify();
1979 }
1980 throw new PrinterAbortException();
1981 }
1982
1983 /**
1984 * Returns how many times the entire book should
1985 * be printed by the PrintJob. If the printer
1986 * itself supports collation then this method
1987 * should return 1 indicating that the entire
1988 * book need only be printed once and the copies
1989 * will be collated and made in the printer.
1990 */
1991 protected int getCollatedCopies() {
1992 return isCollated() ? getCopiesInt() : 1;
1993 }
1994
1995 /**
1996 * Returns how many times each page in the book
1997 * should be consecutively printed by PrintJob.
1998 * If the printer makes copies itself then this
1999 * method should return 1.
2000 */
2001 protected int getNoncollatedCopies() {
2002 return isCollated() ? 1 : getCopiesInt();
2003 }
2004
2005
2006 /* The printer graphics config is cached on the job, so that it can
2007 * be created once, and updated only as needed (for now only to change
2008 * the bounds if when using a Pageable the page sizes changes).
2009 */
2010
2011 private int deviceWidth, deviceHeight;
2012 private AffineTransform defaultDeviceTransform;
2013 private PrinterGraphicsConfig pgConfig;
2014
2015 synchronized void setGraphicsConfigInfo(AffineTransform at,
2016 double pw, double ph) {
2017 Point2D.Double pt = new Point2D.Double(pw, ph);
2018 at.transform(pt, pt);
2019
2020 if (pgConfig == null ||
2021 defaultDeviceTransform == null ||
2022 !at.equals(defaultDeviceTransform) ||
2023 deviceWidth != (int)pt.getX() ||
2024 deviceHeight != (int)pt.getY()) {
2025
2026 deviceWidth = (int)pt.getX();
2027 deviceHeight = (int)pt.getY();
2028 defaultDeviceTransform = at;
2029 pgConfig = null;
2030 }
2031 }
2032
2033 synchronized PrinterGraphicsConfig getPrinterGraphicsConfig() {
2034 if (pgConfig != null) {
2035 return pgConfig;
2036 }
2037 String deviceID = "Printer Device";
2038 PrintService service = getPrintService();
2039 if (service != null) {
2040 deviceID = service.toString();
2041 }
2042 pgConfig = new PrinterGraphicsConfig(deviceID,
2043 defaultDeviceTransform,
2044 deviceWidth, deviceHeight);
2045 return pgConfig;
2046 }
2047
2048 /**
2049 * Print a page from the provided document.
2050 * @return int Printable.PAGE_EXISTS if the page existed and was drawn and
2051 * Printable.NO_SUCH_PAGE if the page did not exist.
2052 * @see java.awt.print.Printable
2053 */
2054 protected int printPage(Pageable document, int pageIndex)
2055 throws PrinterException
2056 {
2057 PageFormat page;
2058 PageFormat origPage;
2059 Printable painter;
2060 try {
2061 origPage = document.getPageFormat(pageIndex);
2062 page = (PageFormat)origPage.clone();
2063 painter = document.getPrintable(pageIndex);
2064 } catch (Exception e) {
2065 PrinterException pe =
2066 new PrinterException("Error getting page or printable.[ " +
2067 e +" ]");
2068 pe.initCause(e);
2069 throw pe;
2070 }
2071
2072 /* Get the imageable area from Paper instead of PageFormat
2073 * because we do not want it adjusted by the page orientation.
2074 */
2075 Paper paper = page.getPaper();
2076 // if non-portrait and 270 degree landscape rotation
2077 if (page.getOrientation() != PageFormat.PORTRAIT &&
2078 landscapeRotates270) {
2079
2080 double left = paper.getImageableX();
2081 double top = paper.getImageableY();
2082 double width = paper.getImageableWidth();
2083 double height = paper.getImageableHeight();
2084 paper.setImageableArea(paper.getWidth()-left-width,
2085 paper.getHeight()-top-height,
2086 width, height);
2087 page.setPaper(paper);
2088 if (page.getOrientation() == PageFormat.LANDSCAPE) {
2089 page.setOrientation(PageFormat.REVERSE_LANDSCAPE);
2090 } else {
2091 page.setOrientation(PageFormat.LANDSCAPE);
2092 }
2093 }
2094
2095 double xScale = getXRes() / 72.0;
2096 double yScale = getYRes() / 72.0;
2097
2098 /* The deviceArea is the imageable area in the printer's
2099 * resolution.
2100 */
2101 Rectangle2D deviceArea =
2102 new Rectangle2D.Double(paper.getImageableX() * xScale,
2103 paper.getImageableY() * yScale,
2104 paper.getImageableWidth() * xScale,
2105 paper.getImageableHeight() * yScale);
2106
2107 /* Build and hold on to a uniform transform so that
2108 * we can get back to device space at the beginning
2109 * of each band.
2110 */
2111 AffineTransform uniformTransform = new AffineTransform();
2112
2113 /* The scale transform is used to switch from the
2114 * device space to the user's 72 dpi space.
2115 */
2116 AffineTransform scaleTransform = new AffineTransform();
2117 scaleTransform.scale(xScale, yScale);
2118
2119 /* bandwidth is multiple of 4 as the data is used in a win32 DIB and
2120 * some drivers behave badly if scanlines aren't multiples of 4 bytes.
2121 */
2122 int bandWidth = (int) deviceArea.getWidth();
2123 if (bandWidth % 4 != 0) {
2124 bandWidth += (4 - (bandWidth % 4));
2125 }
2126 if (bandWidth <= 0) {
2127 throw new PrinterException("Paper's imageable width is too small.");
2128 }
2129
2130 int deviceAreaHeight = (int)deviceArea.getHeight();
2131 if (deviceAreaHeight <= 0) {
2132 throw new PrinterException("Paper's imageable height is too small.");
2133 }
2134
2135 /* Figure out the number of lines that will fit into
2136 * our maximum band size. The hard coded 3 reflects the
2137 * fact that we can only create 24 bit per pixel 3 byte BGR
2138 * BufferedImages. FIX.
2139 */
2140 int bandHeight = (MAX_BAND_SIZE / bandWidth / 3);
2141
2142 int deviceLeft = (int)Math.rint(paper.getImageableX() * xScale);
2143 int deviceTop = (int)Math.rint(paper.getImageableY() * yScale);
2144
2145 /* The device transform is used to move the band down
2146 * the page using translates. Normally this is all it
2147 * would do, but since, when printing, the Window's
2148 * DIB format wants the last line to be first (lowest) in
2149 * memory, the deviceTransform moves the origin to the
2150 * bottom of the band and flips the origin. This way the
2151 * app prints upside down into the band which is the DIB
2152 * format.
2153 */
2154 AffineTransform deviceTransform = new AffineTransform();
2155 deviceTransform.translate(-deviceLeft, deviceTop);
2156 deviceTransform.translate(0, bandHeight);
2157 deviceTransform.scale(1, -1);
2158
2159 /* Create a BufferedImage to hold the band. We set the clip
2160 * of the band to be tight around the bits so that the
2161 * application can use it to figure what part of the
2162 * page needs to be drawn. The clip is never altered in
2163 * this method, but we do translate the band's coordinate
2164 * system so that the app will see the clip moving down the
2165 * page though it s always around the same set of pixels.
2166 */
2167 BufferedImage pBand = new BufferedImage(1, 1,
2168 BufferedImage.TYPE_3BYTE_BGR);
2169
2170 /* Have the app draw into a PeekGraphics object so we can
2171 * learn something about the needs of the print job.
2172 */
2173
2174 PeekGraphics peekGraphics = createPeekGraphics(pBand.createGraphics(),
2175 this);
2176
2177 Rectangle2D.Double pageFormatArea =
2178 new Rectangle2D.Double(page.getImageableX(),
2179 page.getImageableY(),
2180 page.getImageableWidth(),
2181 page.getImageableHeight());
2182 peekGraphics.transform(scaleTransform);
2183 peekGraphics.translate(-getPhysicalPrintableX(paper) / xScale,
2184 -getPhysicalPrintableY(paper) / yScale);
2185 peekGraphics.transform(new AffineTransform(page.getMatrix()));
2186 initPrinterGraphics(peekGraphics, pageFormatArea);
2187 AffineTransform pgAt = peekGraphics.getTransform();
2188
2189 /* Update the information used to return a GraphicsConfiguration
2190 * for this printer device. It needs to be updated per page as
2191 * not all pages in a job may be the same size (different bounds)
2192 * The transform is the scaling transform as this corresponds to
2193 * the default transform for the device. The width and height are
2194 * those of the paper, not the page format, as we want to describe
2195 * the bounds of the device in its natural coordinate system of
2196 * device coordinate whereas a page format may be in a rotated context.
2197 */
2198 setGraphicsConfigInfo(scaleTransform,
2199 paper.getWidth(), paper.getHeight());
2200 int pageResult = painter.print(peekGraphics, origPage, pageIndex);
2201 debug_println("pageResult "+pageResult);
2202 if (pageResult == Printable.PAGE_EXISTS) {
2203 debug_println("startPage "+pageIndex);
2204
2205 /* We need to check if the paper size is changed.
2206 * Note that it is not sufficient to ask for the pageformat
2207 * of "pageIndex-1", since PageRanges mean that pages can be
2208 * skipped. So we have to look at the actual last paper size used.
2209 */
2210 Paper thisPaper = page.getPaper();
2211 boolean paperChanged =
2212 previousPaper == null ||
2213 thisPaper.getWidth() != previousPaper.getWidth() ||
2214 thisPaper.getHeight() != previousPaper.getHeight();
2215 previousPaper = thisPaper;
2216
2217 startPage(page, painter, pageIndex, paperChanged);
2218 Graphics2D pathGraphics = createPathGraphics(peekGraphics, this,
2219 painter, page,
2220 pageIndex);
2221
2222 /* If we can convert the page directly to the
2223 * underlying graphics system then we do not
2224 * need to rasterize. We also may not need to
2225 * create the 'band' if all the pages can take
2226 * this path.
2227 */
2228 if (pathGraphics != null) {
2229 pathGraphics.transform(scaleTransform);
2230 // user (0,0) should be origin of page, not imageable area
2231 pathGraphics.translate(-getPhysicalPrintableX(paper) / xScale,
2232 -getPhysicalPrintableY(paper) / yScale);
2233 pathGraphics.transform(new AffineTransform(page.getMatrix()));
2234 initPrinterGraphics(pathGraphics, pageFormatArea);
2235
2236 redrawList.clear();
2237
2238 AffineTransform initialTx = pathGraphics.getTransform();
2239
2240 painter.print(pathGraphics, origPage, pageIndex);
2241
2242 for (int i=0;i<redrawList.size();i++) {
2243 GraphicsState gstate = redrawList.get(i);
2244 pathGraphics.setTransform(initialTx);
2245 ((PathGraphics)pathGraphics).redrawRegion(
2246 gstate.region,
2247 gstate.sx,
2248 gstate.sy,
2249 gstate.theClip,
2250 gstate.theTransform);
2251 }
2252
2253 /* This is the banded-raster printing loop.
2254 * It should be moved into its own method.
2255 */
2256 } else {
2257 BufferedImage band = cachedBand;
2258 if (cachedBand == null ||
2259 bandWidth != cachedBandWidth ||
2260 bandHeight != cachedBandHeight) {
2261 band = new BufferedImage(bandWidth, bandHeight,
2262 BufferedImage.TYPE_3BYTE_BGR);
2263 cachedBand = band;
2264 cachedBandWidth = bandWidth;
2265 cachedBandHeight = bandHeight;
2266 }
2267 Graphics2D bandGraphics = band.createGraphics();
2268
2269 Rectangle2D.Double clipArea =
2270 new Rectangle2D.Double(0, 0, bandWidth, bandHeight);
2271
2272 initPrinterGraphics(bandGraphics, clipArea);
2273
2274 ProxyGraphics2D painterGraphics =
2275 new ProxyGraphics2D(bandGraphics, this);
2276
2277 Graphics2D clearGraphics = band.createGraphics();
2278 clearGraphics.setColor(Color.white);
2279
2280 /* We need the actual bits of the BufferedImage to send to
2281 * the native Window's code. 'data' points to the actual
2282 * pixels. Right now these are in ARGB format with 8 bits
2283 * per component. We need to use a monochrome BufferedImage
2284 * for monochrome printers when this is supported by
2285 * BufferedImage. FIX
2286 */
2287 ByteInterleavedRaster tile = (ByteInterleavedRaster)band.getRaster();
2288 byte[] data = tile.getDataStorage();
2289
2290 /* Loop over the page moving our band down the page,
2291 * calling the app to render the band, and then send the band
2292 * to the printer.
2293 */
2294 int deviceBottom = deviceTop + deviceAreaHeight;
2295
2296 /* device's printable x,y is really addressable origin
2297 * we address relative to media origin so when we print a
2298 * band we need to adjust for the different methods of
2299 * addressing it.
2300 */
2301 int deviceAddressableX = (int)getPhysicalPrintableX(paper);
2302 int deviceAddressableY = (int)getPhysicalPrintableY(paper);
2303
2304 for (int bandTop = 0; bandTop <= deviceAreaHeight;
2305 bandTop += bandHeight)
2306 {
2307
2308 /* Put the band back into device space and
2309 * erase the contents of the band.
2310 */
2311 clearGraphics.fillRect(0, 0, bandWidth, bandHeight);
2312
2313 /* Put the band into the correct location on the
2314 * page. Once the band is moved we translate the
2315 * device transform so that the band will move down
2316 * the page on the next iteration of the loop.
2317 */
2318 bandGraphics.setTransform(uniformTransform);
2319 bandGraphics.transform(deviceTransform);
2320 deviceTransform.translate(0, -bandHeight);
2321
2322 /* Switch the band from device space to user,
2323 * 72 dpi, space.
2324 */
2325 bandGraphics.transform(scaleTransform);
2326 bandGraphics.transform(new AffineTransform(page.getMatrix()));
2327
2328 Rectangle clip = bandGraphics.getClipBounds();
2329 clip = pgAt.createTransformedShape(clip).getBounds();
2330
2331 if ((clip == null) || peekGraphics.hitsDrawingArea(clip) &&
2332 (bandWidth > 0 && bandHeight > 0)) {
2333
2334 /* if the client has specified an imageable X or Y
2335 * which is off than the physically addressable
2336 * area of the page, then we need to adjust for that
2337 * here so that we pass only non -ve band coordinates
2338 * We also need to translate by the adjusted amount
2339 * so that printing appears in the correct place.
2340 */
2341 int bandX = deviceLeft - deviceAddressableX;
2342 if (bandX < 0) {
2343 bandGraphics.translate(bandX/xScale,0);
2344 bandX = 0;
2345 }
2346 int bandY = deviceTop + bandTop - deviceAddressableY;
2347 if (bandY < 0) {
2348 bandGraphics.translate(0,bandY/yScale);
2349 bandY = 0;
2350 }
2351 /* Have the app's painter image into the band
2352 * and then send the band to the printer.
2353 */
2354 painterGraphics.setDelegate((Graphics2D) bandGraphics.create());
2355 painter.print(painterGraphics, origPage, pageIndex);
2356 painterGraphics.dispose();
2357 printBand(data, bandX, bandY, bandWidth, bandHeight);
2358 }
2359 }
2360
2361 clearGraphics.dispose();
2362 bandGraphics.dispose();
2363
2364 }
2365 debug_println("calling endPage "+pageIndex);
2366 endPage(page, painter, pageIndex);
2367 }
2368
2369 return pageResult;
2370 }
2371
2372 /**
2373 * If a print job is in progress, print() has been
2374 * called but has not returned, then this signals
2375 * that the job should be cancelled and the next
2376 * chance. If there is no print job in progress then
2377 * this call does nothing.
2378 */
2379 public void cancel() {
2380 synchronized (this) {
2381 if (performingPrinting) {
2382 userCancelled = true;
2383 }
2384 notify();
2385 }
2386 }
2387
2388 /**
2389 * Returns true is a print job is ongoing but will
2390 * be cancelled and the next opportunity. false is
2391 * returned otherwise.
2392 */
2393 public boolean isCancelled() {
2394
2395 boolean cancelled = false;
2396
2397 synchronized (this) {
2398 cancelled = (performingPrinting && userCancelled);
2399 notify();
2400 }
2401
2402 return cancelled;
2403 }
2404
2405 /**
2406 * Return the Pageable describing the pages to be printed.
2407 */
2408 protected Pageable getPageable() {
2409 return mDocument;
2410 }
2411
2412 /**
2413 * Examine the metrics captured by the
2414 * {@code PeekGraphics} instance and
2415 * if capable of directly converting this
2416 * print job to the printer's control language
2417 * or the native OS's graphics primitives, then
2418 * return a {@code PathGraphics} to perform
2419 * that conversion. If there is not an object
2420 * capable of the conversion then return
2421 * {@code null}. Returning {@code null}
2422 * causes the print job to be rasterized.
2423 */
2424 protected Graphics2D createPathGraphics(PeekGraphics graphics,
2425 PrinterJob printerJob,
2426 Printable painter,
2427 PageFormat pageFormat,
2428 int pageIndex) {
2429
2430 return null;
2431 }
2432
2433 /**
2434 * Create and return an object that will
2435 * gather and hold metrics about the print
2436 * job. This method is passed a {@code Graphics2D}
2437 * object that can be used as a proxy for the
2438 * object gathering the print job matrics. The
2439 * method is also supplied with the instance
2440 * controlling the print job, {@code printerJob}.
2441 */
2442 protected PeekGraphics createPeekGraphics(Graphics2D graphics,
2443 PrinterJob printerJob) {
2444
2445 return new PeekGraphics(graphics, printerJob);
2446 }
2447
2448 /**
2449 * Configure the passed in Graphics2D so that
2450 * is contains the defined initial settings
2451 * for a print job. These settings are:
2452 * color: black.
2453 * clip: <as passed in>
2454 */
2455 // MacOSX - made protected so subclasses can reference it.
2456 protected void initPrinterGraphics(Graphics2D g, Rectangle2D clip) {
2457
2458 g.setClip(clip);
2459 g.setPaint(Color.black);
2460 }
2461
2462
2463 /**
2464 * User dialogs should disable "File" buttons if this returns false.
2465 *
2466 */
2467 public boolean checkAllowedToPrintToFile() {
2468 try {
2469 throwPrintToFile();
2470 return true;
2471 } catch (SecurityException e) {
2472 return false;
2473 }
2474 }
2475
2476 /**
2477 * Break this out as it may be useful when we allow API to
2478 * specify printing to a file. In that case its probably right
2479 * to throw a SecurityException if the permission is not granted
2480 */
2481 private void throwPrintToFile() {
2482 SecurityManager security = System.getSecurityManager();
2483 if (security != null) {
2484 if (printToFilePermission == null) {
2485 printToFilePermission =
2486 new FilePermission("<<ALL FILES>>", "read,write");
2487 }
2488 security.checkPermission(printToFilePermission);
2489 }
2490 }
2491
2492 /* On-screen drawString renders most control chars as the missing glyph
2493 * and have the non-zero advance of that glyph.
2494 * Exceptions are \t, \n and \r which are considered zero-width.
2495 * This is a utility method used by subclasses to remove them so we
2496 * don't have to worry about platform or font specific handling of them.
2497 */
2498 protected String removeControlChars(String s) {
2499 char[] in_chars = s.toCharArray();
2500 int len = in_chars.length;
2501 char[] out_chars = new char[len];
2502 int pos = 0;
2503
2504 for (int i = 0; i < len; i++) {
2505 char c = in_chars[i];
2506 if (c > '\r' || c < '\t' || c == '\u000b' || c == '\u000c') {
2507 out_chars[pos++] = c;
2508 }
2509 }
2510 if (pos == len) {
2511 return s; // no need to make a new String.
2512 } else {
2513 return new String(out_chars, 0, pos);
2514 }
2515 }
2516 }