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 print(attributes);
1425 }
1426
1427 public static boolean debugPrint = false;
1428 protected void debug_println(String str) {
1429 if (debugPrint) {
1430 System.out.println("RasterPrinterJob "+str+" "+this);
1431 }
1432 }
1433
1434 public void print(PrintRequestAttributeSet attributes)
1435 throws PrinterException {
1436
1437 /*
1438 * In the future PrinterJob will probably always dispatch
1439 * the print job to the PrintService.
1440 * This is how third party 2D Print Services will be invoked
1441 * when applications use the PrinterJob API.
1442 * However the JRE's concrete PrinterJob implementations have
1443 * not yet been re-worked to be implemented as standalone
1444 * services, and are implemented only as subclasses of PrinterJob.
1445 * So here we dispatch only those services we do not recognize
1446 * as implemented through platform subclasses of PrinterJob
1447 * (and this class).
1448 */
1449 PrintService psvc = getPrintService();
1450 debug_println("psvc = "+psvc);
1451 if (psvc == null) {
1452 throw new PrinterException("No print service found.");
1453 }
1454
1455 // Check the list of services. This service may have been
1456 // deleted already
1457 PrinterState prnState = psvc.getAttribute(PrinterState.class);
1458 if (prnState == PrinterState.STOPPED) {
1459 PrinterStateReasons prnStateReasons =
1460 psvc.getAttribute(PrinterStateReasons.class);
1461 if ((prnStateReasons != null) &&
1462 (prnStateReasons.containsKey(PrinterStateReason.SHUTDOWN)))
1463 {
1464 throw new PrinterException("PrintService is no longer available.");
1465 }
1466 }
1467
1468 if ((psvc.getAttribute(PrinterIsAcceptingJobs.class)) ==
1469 PrinterIsAcceptingJobs.NOT_ACCEPTING_JOBS) {
1470 throw new PrinterException("Printer is not accepting job.");
1471 }
1472
1473 if ((psvc instanceof SunPrinterJobService) &&
1474 ((SunPrinterJobService)psvc).usesClass(getClass())) {
1475 setAttributes(attributes);
1476 // throw exception for invalid destination
1477 if (destinationAttr != null) {
1478 validateDestination(destinationAttr);
1479 }
1480 } else {
1481 spoolToService(psvc, attributes);
1482 return;
1483 }
1484 /* We need to make sure that the collation and copies
1485 * settings are initialised */
1486 initPrinter();
1487
1488 int numCollatedCopies = getCollatedCopies();
1489 int numNonCollatedCopies = getNoncollatedCopies();
1490 debug_println("getCollatedCopies() "+numCollatedCopies
1491 + " getNoncollatedCopies() "+ numNonCollatedCopies);
1492
1493 /* Get the range of pages we are to print. If the
1494 * last page to print is unknown, then we print to
1495 * the end of the document. Note that firstPage
1496 * and lastPage are 0 based page indices.
1497 */
1498 int numPages = mDocument.getNumberOfPages();
1499 if (numPages == 0) {
1500 return;
1501 }
1502
1503 int firstPage = getFirstPage();
1504 int lastPage = getLastPage();
1505 if(lastPage == Pageable.UNKNOWN_NUMBER_OF_PAGES){
1506 int totalPages = mDocument.getNumberOfPages();
1507 if (totalPages != Pageable.UNKNOWN_NUMBER_OF_PAGES) {
1508 lastPage = mDocument.getNumberOfPages() - 1;
1509 }
1510 }
1511
1512 try {
1513 synchronized (this) {
1514 performingPrinting = true;
1515 userCancelled = false;
1516 }
1517
1518 startDoc();
1519 if (isCancelled()) {
1520 cancelDoc();
1521 }
1522
1523 // PageRanges can be set even if RANGE is not selected
1524 // so we need to check if it is selected.
1525 boolean rangeIsSelected = true;
1526 if (attributes != null) {
1527 SunPageSelection pages =
1528 (SunPageSelection)attributes.get(SunPageSelection.class);
1529 if ((pages != null) && (pages != SunPageSelection.RANGE)) {
1530 rangeIsSelected = false;
1531 }
1532 }
1533
1534
1535 debug_println("after startDoc rangeSelected? "+rangeIsSelected
1536 + " numNonCollatedCopies "+ numNonCollatedCopies);
1537
1538
1539 /* Three nested loops iterate over the document. The outer loop
1540 * counts the number of collated copies while the inner loop
1541 * counts the number of nonCollated copies. Normally, one of
1542 * these two loops will only execute once; that is we will
1543 * either print collated copies or noncollated copies. The
1544 * middle loop iterates over the pages.
1545 * If a PageRanges attribute is used, it constrains the pages
1546 * that are imaged. If a platform subclass (though a user dialog)
1547 * requests a page range via setPageRange(). it too can
1548 * constrain the page ranges that are imaged.
1549 * It is expected that only one of these will be used in a
1550 * job but both should be able to co-exist.
1551 */
1552 for(int collated = 0; collated < numCollatedCopies; collated++) {
1553 for(int i = firstPage, pageResult = Printable.PAGE_EXISTS;
1554 (i <= lastPage ||
1555 lastPage == Pageable.UNKNOWN_NUMBER_OF_PAGES)
1556 && pageResult == Printable.PAGE_EXISTS;
1557 i++)
1558 {
1559
1560 if ((pageRangesAttr != null) && rangeIsSelected ){
1561 int nexti = pageRangesAttr.next(i);
1562 if (nexti == -1) {
1563 break;
1564 } else if (nexti != i+1) {
1565 continue;
1566 }
1567 }
1568
1569 for(int nonCollated = 0;
1570 nonCollated < numNonCollatedCopies
1571 && pageResult == Printable.PAGE_EXISTS;
1572 nonCollated++)
1573 {
1574 if (isCancelled()) {
1575 cancelDoc();
1576 }
1577 debug_println("printPage "+i);
1578 pageResult = printPage(mDocument, i);
1579
1580 }
1581 }
1582 }
1583
1584 if (isCancelled()) {
1585 cancelDoc();
1586 }
1587
1588 } finally {
1589 // reset previousPaper in case this job is invoked again.
1590 previousPaper = null;
1591 synchronized (this) {
1592 if (performingPrinting) {
1593 endDoc();
1594 }
1595 performingPrinting = false;
1596 notify();
1597 }
1598 }
1599 }
1600
1601 protected void validateDestination(String dest) throws PrinterException {
1602 if (dest == null) {
1603 return;
1604 }
1605 // dest is null for Destination(new URI(""))
1606 // because isAttributeValueSupported returns false in setAttributes
1607
1608 // Destination(new URI(" ")) throws URISyntaxException
1609 File f = new File(dest);
1610 try {
1611 // check if this is a new file and if filename chars are valid
1612 if (f.createNewFile()) {
1613 f.delete();
1614 }
1615 } catch (IOException ioe) {
1616 throw new PrinterException("Cannot write to file:"+
1617 dest);
1618 } catch (SecurityException se) {
1619 //There is already file read/write access so at this point
1620 // only delete access is denied. Just ignore it because in
1621 // most cases the file created in createNewFile gets overwritten
1622 // anyway.
1623 }
1624
1625 File pFile = f.getParentFile();
1626 if ((f.exists() &&
1627 (!f.isFile() || !f.canWrite())) ||
1628 ((pFile != null) &&
1629 (!pFile.exists() || (pFile.exists() && !pFile.canWrite())))) {
1630 if (f.exists()) {
1631 f.delete();
1632 }
1633 throw new PrinterException("Cannot write to file:"+
1634 dest);
1635 }
1636 }
1637
1638 /**
1639 * updates a Paper object to reflect the current printer's selected
1640 * paper size and imageable area for that paper size.
1641 * Default implementation copies settings from the original, applies
1642 * applies some validity checks, changes them only if they are
1643 * clearly unreasonable, then sets them into the new Paper.
1644 * Subclasses are expected to override this method to make more
1645 * informed decisons.
1646 */
1647 protected void validatePaper(Paper origPaper, Paper newPaper) {
1648 if (origPaper == null || newPaper == null) {
1649 return;
1650 } else {
1651 double wid = origPaper.getWidth();
1652 double hgt = origPaper.getHeight();
1653 double ix = origPaper.getImageableX();
1654 double iy = origPaper.getImageableY();
1655 double iw = origPaper.getImageableWidth();
1656 double ih = origPaper.getImageableHeight();
1657
1658 /* Assume any +ve values are legal. Overall paper dimensions
1659 * take precedence. Make sure imageable area fits on the paper.
1660 */
1661 Paper defaultPaper = new Paper();
1662 wid = ((wid > 0.0) ? wid : defaultPaper.getWidth());
1663 hgt = ((hgt > 0.0) ? hgt : defaultPaper.getHeight());
1664 ix = ((ix > 0.0) ? ix : defaultPaper.getImageableX());
1665 iy = ((iy > 0.0) ? iy : defaultPaper.getImageableY());
1666 iw = ((iw > 0.0) ? iw : defaultPaper.getImageableWidth());
1667 ih = ((ih > 0.0) ? ih : defaultPaper.getImageableHeight());
1668 /* full width/height is not likely to be imageable, but since we
1669 * don't know the limits we have to allow it
1670 */
1671 if (iw > wid) {
1672 iw = wid;
1673 }
1674 if (ih > hgt) {
1675 ih = hgt;
1676 }
1677 if ((ix + iw) > wid) {
1678 ix = wid - iw;
1679 }
1680 if ((iy + ih) > hgt) {
1681 iy = hgt - ih;
1682 }
1683 newPaper.setSize(wid, hgt);
1684 newPaper.setImageableArea(ix, iy, iw, ih);
1685 }
1686 }
1687
1688 /**
1689 * The passed in PageFormat will be copied and altered to describe
1690 * the default page size and orientation of the PrinterJob's
1691 * current printer.
1692 * Platform subclasses which can access the actual default paper size
1693 * for a printer may override this method.
1694 */
1695 public PageFormat defaultPage(PageFormat page) {
1696 PageFormat newPage = (PageFormat)page.clone();
1697 newPage.setOrientation(PageFormat.PORTRAIT);
1698 Paper newPaper = new Paper();
1699 double ptsPerInch = 72.0;
1700 double w, h;
1701 Media media = null;
1702
1703 PrintService service = getPrintService();
1704 if (service != null) {
1705 MediaSize size;
1706 media =
1707 (Media)service.getDefaultAttributeValue(Media.class);
1708
1709 if (media instanceof MediaSizeName &&
1710 ((size = MediaSize.getMediaSizeForName((MediaSizeName)media)) !=
1711 null)) {
1712 w = size.getX(MediaSize.INCH) * ptsPerInch;
1713 h = size.getY(MediaSize.INCH) * ptsPerInch;
1714 newPaper.setSize(w, h);
1715 newPaper.setImageableArea(ptsPerInch, ptsPerInch,
1716 w - 2.0*ptsPerInch,
1717 h - 2.0*ptsPerInch);
1718 newPage.setPaper(newPaper);
1719 return newPage;
1720
1721 }
1722 }
1723
1724 /* Default to A4 paper outside North America.
1725 */
1726 String defaultCountry = Locale.getDefault().getCountry();
1727 if (!Locale.getDefault().equals(Locale.ENGLISH) && // ie "C"
1728 defaultCountry != null &&
1729 !defaultCountry.equals(Locale.US.getCountry()) &&
1730 !defaultCountry.equals(Locale.CANADA.getCountry())) {
1731
1732 double mmPerInch = 25.4;
1733 w = Math.rint((210.0*ptsPerInch)/mmPerInch);
1734 h = Math.rint((297.0*ptsPerInch)/mmPerInch);
1735 newPaper.setSize(w, h);
1736 newPaper.setImageableArea(ptsPerInch, ptsPerInch,
1737 w - 2.0*ptsPerInch,
1738 h - 2.0*ptsPerInch);
1739 }
1740
1741 newPage.setPaper(newPaper);
1742
1743 return newPage;
1744 }
1745
1746 /**
1747 * The passed in PageFormat is cloned and altered to be usable on
1748 * the PrinterJob's current printer.
1749 */
1750 public PageFormat validatePage(PageFormat page) {
1751 PageFormat newPage = (PageFormat)page.clone();
1752 Paper newPaper = new Paper();
1753 validatePaper(newPage.getPaper(), newPaper);
1754 newPage.setPaper(newPaper);
1755
1756 return newPage;
1757 }
1758
1759 /**
1760 * Set the number of copies to be printed.
1761 */
1762 public void setCopies(int copies) {
1763 mNumCopies = copies;
1764 }
1765
1766 /**
1767 * Get the number of copies to be printed.
1768 */
1769 public int getCopies() {
1770 return mNumCopies;
1771 }
1772
1773 /* Used when executing a print job where an attribute set may
1774 * over ride API values.
1775 */
1776 protected int getCopiesInt() {
1777 return (copiesAttr > 0) ? copiesAttr : getCopies();
1778 }
1779
1780 /**
1781 * Get the name of the printing user.
1782 * The caller must have security permission to read system properties.
1783 */
1784 public String getUserName() {
1785 return System.getProperty("user.name");
1786 }
1787
1788 /* Used when executing a print job where an attribute set may
1789 * over ride API values.
1790 */
1791 protected String getUserNameInt() {
1792 if (userNameAttr != null) {
1793 return userNameAttr;
1794 } else {
1795 try {
1796 return getUserName();
1797 } catch (SecurityException e) {
1798 return "";
1799 }
1800 }
1801 }
1802
1803 /**
1804 * Set the name of the document to be printed.
1805 * The document name can not be null.
1806 */
1807 public void setJobName(String jobName) {
1808 if (jobName != null) {
1809 mDocName = jobName;
1810 } else {
1811 throw new NullPointerException();
1812 }
1813 }
1814
1815 /**
1816 * Get the name of the document to be printed.
1817 */
1818 public String getJobName() {
1819 return mDocName;
1820 }
1821
1822 /* Used when executing a print job where an attribute set may
1823 * over ride API values.
1824 */
1825 protected String getJobNameInt() {
1826 return (jobNameAttr != null) ? jobNameAttr : getJobName();
1827 }
1828
1829 /**
1830 * Set the range of pages from a Book to be printed.
1831 * Both 'firstPage' and 'lastPage' are zero based
1832 * page indices. If either parameter is less than
1833 * zero then the page range is set to be from the
1834 * first page to the last.
1835 */
1836 protected void setPageRange(int firstPage, int lastPage) {
1837 if(firstPage >= 0 && lastPage >= 0) {
1838 mFirstPage = firstPage;
1839 mLastPage = lastPage;
1840 if(mLastPage < mFirstPage) mLastPage = mFirstPage;
1841 } else {
1842 mFirstPage = Pageable.UNKNOWN_NUMBER_OF_PAGES;
1843 mLastPage = Pageable.UNKNOWN_NUMBER_OF_PAGES;
1844 }
1845 }
1846
1847 /**
1848 * Return the zero based index of the first page to
1849 * be printed in this job.
1850 */
1851 protected int getFirstPage() {
1852 return mFirstPage == Book.UNKNOWN_NUMBER_OF_PAGES ? 0 : mFirstPage;
1853 }
1854
1855 /**
1856 * Return the zero based index of the last page to
1857 * be printed in this job.
1858 */
1859 protected int getLastPage() {
1860 return mLastPage;
1861 }
1862
1863 /**
1864 * Set whether copies should be collated or not.
1865 * Two collated copies of a three page document
1866 * print in this order: 1, 2, 3, 1, 2, 3 while
1867 * uncollated copies print in this order:
1868 * 1, 1, 2, 2, 3, 3.
1869 * This is set when request is using an attribute set.
1870 */
1871 protected void setCollated(boolean collate) {
1872 mCollate = collate;
1873 collateAttReq = true;
1874 }
1875
1876 /**
1877 * Return true if collated copies will be printed as determined
1878 * in an attribute set.
1879 */
1880 protected boolean isCollated() {
1881 return mCollate;
1882 }
1883
1884 protected final int getSelectAttrib() {
1885 if (attributes != null) {
1886 SunPageSelection pages =
1887 (SunPageSelection)attributes.get(SunPageSelection.class);
1888 if (pages == SunPageSelection.RANGE) {
1889 return PD_PAGENUMS;
1890 } else if (pages == SunPageSelection.SELECTION) {
1891 return PD_SELECTION;
1892 } else if (pages == SunPageSelection.ALL) {
1893 return PD_ALLPAGES;
1894 }
1895 }
1896 return PD_NOSELECTION;
1897 }
1898
1899 //returns 1-based index for "From" page
1900 protected final int getFromPageAttrib() {
1901 if (attributes != null) {
1902 PageRanges pageRangesAttr =
1903 (PageRanges)attributes.get(PageRanges.class);
1904 if (pageRangesAttr != null) {
1905 int[][] range = pageRangesAttr.getMembers();
1906 return range[0][0];
1907 }
1908 }
1909 return getMinPageAttrib();
1910 }
1911
1912 //returns 1-based index for "To" page
1913 protected final int getToPageAttrib() {
1914 if (attributes != null) {
1915 PageRanges pageRangesAttr =
1916 (PageRanges)attributes.get(PageRanges.class);
1917 if (pageRangesAttr != null) {
1918 int[][] range = pageRangesAttr.getMembers();
1919 return range[range.length-1][1];
1920 }
1921 }
1922 return getMaxPageAttrib();
1923 }
1924
1925 protected final int getMinPageAttrib() {
1926 if (attributes != null) {
1927 SunMinMaxPage s =
1928 (SunMinMaxPage)attributes.get(SunMinMaxPage.class);
1929 if (s != null) {
1930 return s.getMin();
1931 }
1932 }
1933 return 1;
1934 }
1935
1936 protected final int getMaxPageAttrib() {
1937 if (attributes != null) {
1938 SunMinMaxPage s =
1939 (SunMinMaxPage)attributes.get(SunMinMaxPage.class);
1940 if (s != null) {
1941 return s.getMax();
1942 }
1943 }
1944
1945 Pageable pageable = getPageable();
1946 if (pageable != null) {
1947 int numPages = pageable.getNumberOfPages();
1948 if (numPages <= Pageable.UNKNOWN_NUMBER_OF_PAGES) {
1949 numPages = MAX_UNKNOWN_PAGES;
1950 }
1951 return ((numPages == 0) ? 1 : numPages);
1952 }
1953
1954 return Integer.MAX_VALUE;
1955 }
1956 /**
1957 * Called by the print() method at the start of
1958 * a print job.
1959 */
1960 protected abstract void startDoc() throws PrinterException;
1961
1962 /**
1963 * Called by the print() method at the end of
1964 * a print job.
1965 */
1966 protected abstract void endDoc() throws PrinterException;
1967
1968 /* Called by cancelDoc */
1969 protected abstract void abortDoc();
1970
1971 // MacOSX - made protected so subclasses can reference it.
1972 protected void cancelDoc() throws PrinterAbortException {
1973 abortDoc();
1974 synchronized (this) {
1975 userCancelled = false;
1976 performingPrinting = false;
1977 notify();
1978 }
1979 throw new PrinterAbortException();
1980 }
1981
1982 /**
1983 * Returns how many times the entire book should
1984 * be printed by the PrintJob. If the printer
1985 * itself supports collation then this method
1986 * should return 1 indicating that the entire
1987 * book need only be printed once and the copies
1988 * will be collated and made in the printer.
1989 */
1990 protected int getCollatedCopies() {
1991 return isCollated() ? getCopiesInt() : 1;
1992 }
1993
1994 /**
1995 * Returns how many times each page in the book
1996 * should be consecutively printed by PrintJob.
1997 * If the printer makes copies itself then this
1998 * method should return 1.
1999 */
2000 protected int getNoncollatedCopies() {
2001 return isCollated() ? 1 : getCopiesInt();
2002 }
2003
2004
2005 /* The printer graphics config is cached on the job, so that it can
2006 * be created once, and updated only as needed (for now only to change
2007 * the bounds if when using a Pageable the page sizes changes).
2008 */
2009
2010 private int deviceWidth, deviceHeight;
2011 private AffineTransform defaultDeviceTransform;
2012 private PrinterGraphicsConfig pgConfig;
2013
2014 synchronized void setGraphicsConfigInfo(AffineTransform at,
2015 double pw, double ph) {
2016 Point2D.Double pt = new Point2D.Double(pw, ph);
2017 at.transform(pt, pt);
2018
2019 if (pgConfig == null ||
2020 defaultDeviceTransform == null ||
2021 !at.equals(defaultDeviceTransform) ||
2022 deviceWidth != (int)pt.getX() ||
2023 deviceHeight != (int)pt.getY()) {
2024
2025 deviceWidth = (int)pt.getX();
2026 deviceHeight = (int)pt.getY();
2027 defaultDeviceTransform = at;
2028 pgConfig = null;
2029 }
2030 }
2031
2032 synchronized PrinterGraphicsConfig getPrinterGraphicsConfig() {
2033 if (pgConfig != null) {
2034 return pgConfig;
2035 }
2036 String deviceID = "Printer Device";
2037 PrintService service = getPrintService();
2038 if (service != null) {
2039 deviceID = service.toString();
2040 }
2041 pgConfig = new PrinterGraphicsConfig(deviceID,
2042 defaultDeviceTransform,
2043 deviceWidth, deviceHeight);
2044 return pgConfig;
2045 }
2046
2047 /**
2048 * Print a page from the provided document.
2049 * @return int Printable.PAGE_EXISTS if the page existed and was drawn and
2050 * Printable.NO_SUCH_PAGE if the page did not exist.
2051 * @see java.awt.print.Printable
2052 */
2053 protected int printPage(Pageable document, int pageIndex)
2054 throws PrinterException
2055 {
2056 PageFormat page;
2057 PageFormat origPage;
2058 Printable painter;
2059 try {
2060 origPage = document.getPageFormat(pageIndex);
2061 page = (PageFormat)origPage.clone();
2062 painter = document.getPrintable(pageIndex);
2063 } catch (Exception e) {
2064 PrinterException pe =
2065 new PrinterException("Error getting page or printable.[ " +
2066 e +" ]");
2067 pe.initCause(e);
2068 throw pe;
2069 }
2070
2071 /* Get the imageable area from Paper instead of PageFormat
2072 * because we do not want it adjusted by the page orientation.
2073 */
2074 Paper paper = page.getPaper();
2075 // if non-portrait and 270 degree landscape rotation
2076 if (page.getOrientation() != PageFormat.PORTRAIT &&
2077 landscapeRotates270) {
2078
2079 double left = paper.getImageableX();
2080 double top = paper.getImageableY();
2081 double width = paper.getImageableWidth();
2082 double height = paper.getImageableHeight();
2083 paper.setImageableArea(paper.getWidth()-left-width,
2084 paper.getHeight()-top-height,
2085 width, height);
2086 page.setPaper(paper);
2087 if (page.getOrientation() == PageFormat.LANDSCAPE) {
2088 page.setOrientation(PageFormat.REVERSE_LANDSCAPE);
2089 } else {
2090 page.setOrientation(PageFormat.LANDSCAPE);
2091 }
2092 }
2093
2094 double xScale = getXRes() / 72.0;
2095 double yScale = getYRes() / 72.0;
2096
2097 /* The deviceArea is the imageable area in the printer's
2098 * resolution.
2099 */
2100 Rectangle2D deviceArea =
2101 new Rectangle2D.Double(paper.getImageableX() * xScale,
2102 paper.getImageableY() * yScale,
2103 paper.getImageableWidth() * xScale,
2104 paper.getImageableHeight() * yScale);
2105
2106 /* Build and hold on to a uniform transform so that
2107 * we can get back to device space at the beginning
2108 * of each band.
2109 */
2110 AffineTransform uniformTransform = new AffineTransform();
2111
2112 /* The scale transform is used to switch from the
2113 * device space to the user's 72 dpi space.
2114 */
2115 AffineTransform scaleTransform = new AffineTransform();
2116 scaleTransform.scale(xScale, yScale);
2117
2118 /* bandwidth is multiple of 4 as the data is used in a win32 DIB and
2119 * some drivers behave badly if scanlines aren't multiples of 4 bytes.
2120 */
2121 int bandWidth = (int) deviceArea.getWidth();
2122 if (bandWidth % 4 != 0) {
2123 bandWidth += (4 - (bandWidth % 4));
2124 }
2125 if (bandWidth <= 0) {
2126 throw new PrinterException("Paper's imageable width is too small.");
2127 }
2128
2129 int deviceAreaHeight = (int)deviceArea.getHeight();
2130 if (deviceAreaHeight <= 0) {
2131 throw new PrinterException("Paper's imageable height is too small.");
2132 }
2133
2134 /* Figure out the number of lines that will fit into
2135 * our maximum band size. The hard coded 3 reflects the
2136 * fact that we can only create 24 bit per pixel 3 byte BGR
2137 * BufferedImages. FIX.
2138 */
2139 int bandHeight = (MAX_BAND_SIZE / bandWidth / 3);
2140
2141 int deviceLeft = (int)Math.rint(paper.getImageableX() * xScale);
2142 int deviceTop = (int)Math.rint(paper.getImageableY() * yScale);
2143
2144 /* The device transform is used to move the band down
2145 * the page using translates. Normally this is all it
2146 * would do, but since, when printing, the Window's
2147 * DIB format wants the last line to be first (lowest) in
2148 * memory, the deviceTransform moves the origin to the
2149 * bottom of the band and flips the origin. This way the
2150 * app prints upside down into the band which is the DIB
2151 * format.
2152 */
2153 AffineTransform deviceTransform = new AffineTransform();
2154 deviceTransform.translate(-deviceLeft, deviceTop);
2155 deviceTransform.translate(0, bandHeight);
2156 deviceTransform.scale(1, -1);
2157
2158 /* Create a BufferedImage to hold the band. We set the clip
2159 * of the band to be tight around the bits so that the
2160 * application can use it to figure what part of the
2161 * page needs to be drawn. The clip is never altered in
2162 * this method, but we do translate the band's coordinate
2163 * system so that the app will see the clip moving down the
2164 * page though it s always around the same set of pixels.
2165 */
2166 BufferedImage pBand = new BufferedImage(1, 1,
2167 BufferedImage.TYPE_3BYTE_BGR);
2168
2169 /* Have the app draw into a PeekGraphics object so we can
2170 * learn something about the needs of the print job.
2171 */
2172
2173 PeekGraphics peekGraphics = createPeekGraphics(pBand.createGraphics(),
2174 this);
2175
2176 Rectangle2D.Double pageFormatArea =
2177 new Rectangle2D.Double(page.getImageableX(),
2178 page.getImageableY(),
2179 page.getImageableWidth(),
2180 page.getImageableHeight());
2181 peekGraphics.transform(scaleTransform);
2182 peekGraphics.translate(-getPhysicalPrintableX(paper) / xScale,
2183 -getPhysicalPrintableY(paper) / yScale);
2184 peekGraphics.transform(new AffineTransform(page.getMatrix()));
2185 initPrinterGraphics(peekGraphics, pageFormatArea);
2186 AffineTransform pgAt = peekGraphics.getTransform();
2187
2188 /* Update the information used to return a GraphicsConfiguration
2189 * for this printer device. It needs to be updated per page as
2190 * not all pages in a job may be the same size (different bounds)
2191 * The transform is the scaling transform as this corresponds to
2192 * the default transform for the device. The width and height are
2193 * those of the paper, not the page format, as we want to describe
2194 * the bounds of the device in its natural coordinate system of
2195 * device coordinate whereas a page format may be in a rotated context.
2196 */
2197 setGraphicsConfigInfo(scaleTransform,
2198 paper.getWidth(), paper.getHeight());
2199 int pageResult = painter.print(peekGraphics, origPage, pageIndex);
2200 debug_println("pageResult "+pageResult);
2201 if (pageResult == Printable.PAGE_EXISTS) {
2202 debug_println("startPage "+pageIndex);
2203
2204 /* We need to check if the paper size is changed.
2205 * Note that it is not sufficient to ask for the pageformat
2206 * of "pageIndex-1", since PageRanges mean that pages can be
2207 * skipped. So we have to look at the actual last paper size used.
2208 */
2209 Paper thisPaper = page.getPaper();
2210 boolean paperChanged =
2211 previousPaper == null ||
2212 thisPaper.getWidth() != previousPaper.getWidth() ||
2213 thisPaper.getHeight() != previousPaper.getHeight();
2214 previousPaper = thisPaper;
2215
2216 startPage(page, painter, pageIndex, paperChanged);
2217 Graphics2D pathGraphics = createPathGraphics(peekGraphics, this,
2218 painter, page,
2219 pageIndex);
2220
2221 /* If we can convert the page directly to the
2222 * underlying graphics system then we do not
2223 * need to rasterize. We also may not need to
2224 * create the 'band' if all the pages can take
2225 * this path.
2226 */
2227 if (pathGraphics != null) {
2228 pathGraphics.transform(scaleTransform);
2229 // user (0,0) should be origin of page, not imageable area
2230 pathGraphics.translate(-getPhysicalPrintableX(paper) / xScale,
2231 -getPhysicalPrintableY(paper) / yScale);
2232 pathGraphics.transform(new AffineTransform(page.getMatrix()));
2233 initPrinterGraphics(pathGraphics, pageFormatArea);
2234
2235 redrawList.clear();
2236
2237 AffineTransform initialTx = pathGraphics.getTransform();
2238
2239 painter.print(pathGraphics, origPage, pageIndex);
2240
2241 for (int i=0;i<redrawList.size();i++) {
2242 GraphicsState gstate = redrawList.get(i);
2243 pathGraphics.setTransform(initialTx);
2244 ((PathGraphics)pathGraphics).redrawRegion(
2245 gstate.region,
2246 gstate.sx,
2247 gstate.sy,
2248 gstate.theClip,
2249 gstate.theTransform);
2250 }
2251
2252 /* This is the banded-raster printing loop.
2253 * It should be moved into its own method.
2254 */
2255 } else {
2256 BufferedImage band = cachedBand;
2257 if (cachedBand == null ||
2258 bandWidth != cachedBandWidth ||
2259 bandHeight != cachedBandHeight) {
2260 band = new BufferedImage(bandWidth, bandHeight,
2261 BufferedImage.TYPE_3BYTE_BGR);
2262 cachedBand = band;
2263 cachedBandWidth = bandWidth;
2264 cachedBandHeight = bandHeight;
2265 }
2266 Graphics2D bandGraphics = band.createGraphics();
2267
2268 Rectangle2D.Double clipArea =
2269 new Rectangle2D.Double(0, 0, bandWidth, bandHeight);
2270
2271 initPrinterGraphics(bandGraphics, clipArea);
2272
2273 ProxyGraphics2D painterGraphics =
2274 new ProxyGraphics2D(bandGraphics, this);
2275
2276 Graphics2D clearGraphics = band.createGraphics();
2277 clearGraphics.setColor(Color.white);
2278
2279 /* We need the actual bits of the BufferedImage to send to
2280 * the native Window's code. 'data' points to the actual
2281 * pixels. Right now these are in ARGB format with 8 bits
2282 * per component. We need to use a monochrome BufferedImage
2283 * for monochrome printers when this is supported by
2284 * BufferedImage. FIX
2285 */
2286 ByteInterleavedRaster tile = (ByteInterleavedRaster)band.getRaster();
2287 byte[] data = tile.getDataStorage();
2288
2289 /* Loop over the page moving our band down the page,
2290 * calling the app to render the band, and then send the band
2291 * to the printer.
2292 */
2293 int deviceBottom = deviceTop + deviceAreaHeight;
2294
2295 /* device's printable x,y is really addressable origin
2296 * we address relative to media origin so when we print a
2297 * band we need to adjust for the different methods of
2298 * addressing it.
2299 */
2300 int deviceAddressableX = (int)getPhysicalPrintableX(paper);
2301 int deviceAddressableY = (int)getPhysicalPrintableY(paper);
2302
2303 for (int bandTop = 0; bandTop <= deviceAreaHeight;
2304 bandTop += bandHeight)
2305 {
2306
2307 /* Put the band back into device space and
2308 * erase the contents of the band.
2309 */
2310 clearGraphics.fillRect(0, 0, bandWidth, bandHeight);
2311
2312 /* Put the band into the correct location on the
2313 * page. Once the band is moved we translate the
2314 * device transform so that the band will move down
2315 * the page on the next iteration of the loop.
2316 */
2317 bandGraphics.setTransform(uniformTransform);
2318 bandGraphics.transform(deviceTransform);
2319 deviceTransform.translate(0, -bandHeight);
2320
2321 /* Switch the band from device space to user,
2322 * 72 dpi, space.
2323 */
2324 bandGraphics.transform(scaleTransform);
2325 bandGraphics.transform(new AffineTransform(page.getMatrix()));
2326
2327 Rectangle clip = bandGraphics.getClipBounds();
2328 clip = pgAt.createTransformedShape(clip).getBounds();
2329
2330 if ((clip == null) || peekGraphics.hitsDrawingArea(clip) &&
2331 (bandWidth > 0 && bandHeight > 0)) {
2332
2333 /* if the client has specified an imageable X or Y
2334 * which is off than the physically addressable
2335 * area of the page, then we need to adjust for that
2336 * here so that we pass only non -ve band coordinates
2337 * We also need to translate by the adjusted amount
2338 * so that printing appears in the correct place.
2339 */
2340 int bandX = deviceLeft - deviceAddressableX;
2341 if (bandX < 0) {
2342 bandGraphics.translate(bandX/xScale,0);
2343 bandX = 0;
2344 }
2345 int bandY = deviceTop + bandTop - deviceAddressableY;
2346 if (bandY < 0) {
2347 bandGraphics.translate(0,bandY/yScale);
2348 bandY = 0;
2349 }
2350 /* Have the app's painter image into the band
2351 * and then send the band to the printer.
2352 */
2353 painterGraphics.setDelegate((Graphics2D) bandGraphics.create());
2354 painter.print(painterGraphics, origPage, pageIndex);
2355 painterGraphics.dispose();
2356 printBand(data, bandX, bandY, bandWidth, bandHeight);
2357 }
2358 }
2359
2360 clearGraphics.dispose();
2361 bandGraphics.dispose();
2362
2363 }
2364 debug_println("calling endPage "+pageIndex);
2365 endPage(page, painter, pageIndex);
2366 }
2367
2368 return pageResult;
2369 }
2370
2371 /**
2372 * If a print job is in progress, print() has been
2373 * called but has not returned, then this signals
2374 * that the job should be cancelled and the next
2375 * chance. If there is no print job in progress then
2376 * this call does nothing.
2377 */
2378 public void cancel() {
2379 synchronized (this) {
2380 if (performingPrinting) {
2381 userCancelled = true;
2382 }
2383 notify();
2384 }
2385 }
2386
2387 /**
2388 * Returns true is a print job is ongoing but will
2389 * be cancelled and the next opportunity. false is
2390 * returned otherwise.
2391 */
2392 public boolean isCancelled() {
2393
2394 boolean cancelled = false;
2395
2396 synchronized (this) {
2397 cancelled = (performingPrinting && userCancelled);
2398 notify();
2399 }
2400
2401 return cancelled;
2402 }
2403
2404 /**
2405 * Return the Pageable describing the pages to be printed.
2406 */
2407 protected Pageable getPageable() {
2408 return mDocument;
2409 }
2410
2411 /**
2412 * Examine the metrics captured by the
2413 * {@code PeekGraphics} instance and
2414 * if capable of directly converting this
2415 * print job to the printer's control language
2416 * or the native OS's graphics primitives, then
2417 * return a {@code PathGraphics} to perform
2418 * that conversion. If there is not an object
2419 * capable of the conversion then return
2420 * {@code null}. Returning {@code null}
2421 * causes the print job to be rasterized.
2422 */
2423 protected Graphics2D createPathGraphics(PeekGraphics graphics,
2424 PrinterJob printerJob,
2425 Printable painter,
2426 PageFormat pageFormat,
2427 int pageIndex) {
2428
2429 return null;
2430 }
2431
2432 /**
2433 * Create and return an object that will
2434 * gather and hold metrics about the print
2435 * job. This method is passed a {@code Graphics2D}
2436 * object that can be used as a proxy for the
2437 * object gathering the print job matrics. The
2438 * method is also supplied with the instance
2439 * controlling the print job, {@code printerJob}.
2440 */
2441 protected PeekGraphics createPeekGraphics(Graphics2D graphics,
2442 PrinterJob printerJob) {
2443
2444 return new PeekGraphics(graphics, printerJob);
2445 }
2446
2447 /**
2448 * Configure the passed in Graphics2D so that
2449 * is contains the defined initial settings
2450 * for a print job. These settings are:
2451 * color: black.
2452 * clip: <as passed in>
2453 */
2454 // MacOSX - made protected so subclasses can reference it.
2455 protected void initPrinterGraphics(Graphics2D g, Rectangle2D clip) {
2456
2457 g.setClip(clip);
2458 g.setPaint(Color.black);
2459 }
2460
2461
2462 /**
2463 * User dialogs should disable "File" buttons if this returns false.
2464 *
2465 */
2466 public boolean checkAllowedToPrintToFile() {
2467 try {
2468 throwPrintToFile();
2469 return true;
2470 } catch (SecurityException e) {
2471 return false;
2472 }
2473 }
2474
2475 /**
2476 * Break this out as it may be useful when we allow API to
2477 * specify printing to a file. In that case its probably right
2478 * to throw a SecurityException if the permission is not granted
2479 */
2480 private void throwPrintToFile() {
2481 SecurityManager security = System.getSecurityManager();
2482 if (security != null) {
2483 if (printToFilePermission == null) {
2484 printToFilePermission =
2485 new FilePermission("<<ALL FILES>>", "read,write");
2486 }
2487 security.checkPermission(printToFilePermission);
2488 }
2489 }
2490
2491 /* On-screen drawString renders most control chars as the missing glyph
2492 * and have the non-zero advance of that glyph.
2493 * Exceptions are \t, \n and \r which are considered zero-width.
2494 * This is a utility method used by subclasses to remove them so we
2495 * don't have to worry about platform or font specific handling of them.
2496 */
2497 protected String removeControlChars(String s) {
2498 char[] in_chars = s.toCharArray();
2499 int len = in_chars.length;
2500 char[] out_chars = new char[len];
2501 int pos = 0;
2502
2503 for (int i = 0; i < len; i++) {
2504 char c = in_chars[i];
2505 if (c > '\r' || c < '\t' || c == '\u000b' || c == '\u000c') {
2506 out_chars[pos++] = c;
2507 }
2508 }
2509 if (pos == len) {
2510 return s; // no need to make a new String.
2511 } else {
2512 return new String(out_chars, 0, pos);
2513 }
2514 }
2515 }