JDK8/Java8源码在线阅读
/*
* Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.print;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.PrintJob;
import java.awt.JobAttributes;
import java.awt.JobAttributes.*;
import java.awt.PageAttributes;
import java.awt.PageAttributes.*;
import java.awt.print.PageFormat;
import java.awt.print.Paper;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.io.File;
import java.io.FilePermission;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Properties;
import javax.print.PrintService;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.ResolutionSyntax;
import javax.print.attribute.Size2DSyntax;
import javax.print.attribute.standard.Chromaticity;
import javax.print.attribute.standard.Copies;
import javax.print.attribute.standard.Destination;
import javax.print.attribute.standard.DialogTypeSelection;
import javax.print.attribute.standard.JobName;
import javax.print.attribute.standard.MediaSize;
import javax.print.attribute.standard.PrintQuality;
import javax.print.attribute.standard.PrinterResolution;
import javax.print.attribute.standard.SheetCollate;
import javax.print.attribute.standard.Sides;
import javax.print.attribute.standard.Media;
import javax.print.attribute.standard.OrientationRequested;
import javax.print.attribute.standard.MediaSizeName;
import javax.print.attribute.standard.PageRanges;
import sun.print.SunPageSelection;
import sun.print.SunMinMaxPage;
/**
* A class which initiates and executes a print job using
* the underlying PrinterJob graphics conversions.
*
* @see Toolkit#getPrintJob
*
*/
public class PrintJob2D extends PrintJob implements Printable, Runnable {
private static final MediaType SIZES[] = {
MediaType.ISO_4A0, MediaType.ISO_2A0, MediaType.ISO_A0,
MediaType.ISO_A1, MediaType.ISO_A2, MediaType.ISO_A3,
MediaType.ISO_A4, MediaType.ISO_A5, MediaType.ISO_A6,
MediaType.ISO_A7, MediaType.ISO_A8, MediaType.ISO_A9,
MediaType.ISO_A10, MediaType.ISO_B0, MediaType.ISO_B1,
MediaType.ISO_B2, MediaType.ISO_B3, MediaType.ISO_B4,
MediaType.ISO_B5, MediaType.ISO_B6, MediaType.ISO_B7,
MediaType.ISO_B8, MediaType.ISO_B9, MediaType.ISO_B10,
MediaType.JIS_B0, MediaType.JIS_B1, MediaType.JIS_B2,
MediaType.JIS_B3, MediaType.JIS_B4, MediaType.JIS_B5,
MediaType.JIS_B6, MediaType.JIS_B7, MediaType.JIS_B8,
MediaType.JIS_B9, MediaType.JIS_B10, MediaType.ISO_C0,
MediaType.ISO_C1, MediaType.ISO_C2, MediaType.ISO_C3,
MediaType.ISO_C4, MediaType.ISO_C5, MediaType.ISO_C6,
MediaType.ISO_C7, MediaType.ISO_C8, MediaType.ISO_C9,
MediaType.ISO_C10, MediaType.ISO_DESIGNATED_LONG,
MediaType.EXECUTIVE, MediaType.FOLIO, MediaType.INVOICE,
MediaType.LEDGER, MediaType.NA_LETTER, MediaType.NA_LEGAL,
MediaType.QUARTO, MediaType.A, MediaType.B,
MediaType.C, MediaType.D, MediaType.E,
MediaType.NA_10X15_ENVELOPE, MediaType.NA_10X14_ENVELOPE,
MediaType.NA_10X13_ENVELOPE, MediaType.NA_9X12_ENVELOPE,
MediaType.NA_9X11_ENVELOPE, MediaType.NA_7X9_ENVELOPE,
MediaType.NA_6X9_ENVELOPE, MediaType.NA_NUMBER_9_ENVELOPE,
MediaType.NA_NUMBER_10_ENVELOPE, MediaType.NA_NUMBER_11_ENVELOPE,
MediaType.NA_NUMBER_12_ENVELOPE, MediaType.NA_NUMBER_14_ENVELOPE,
MediaType.INVITE_ENVELOPE, MediaType.ITALY_ENVELOPE,
MediaType.MONARCH_ENVELOPE, MediaType.PERSONAL_ENVELOPE
};
/* This array maps the above array to the objects used by the
* javax.print APIs
*/
private static final MediaSizeName JAVAXSIZES[] = {
null, null, MediaSizeName.ISO_A0,
MediaSizeName.ISO_A1, MediaSizeName.ISO_A2, MediaSizeName.ISO_A3,
MediaSizeName.ISO_A4, MediaSizeName.ISO_A5, MediaSizeName.ISO_A6,
MediaSizeName.ISO_A7, MediaSizeName.ISO_A8, MediaSizeName.ISO_A9,
MediaSizeName.ISO_A10, MediaSizeName.ISO_B0, MediaSizeName.ISO_B1,
MediaSizeName.ISO_B2, MediaSizeName.ISO_B3, MediaSizeName.ISO_B4,
MediaSizeName.ISO_B5, MediaSizeName.ISO_B6, MediaSizeName.ISO_B7,
MediaSizeName.ISO_B8, MediaSizeName.ISO_B9, MediaSizeName.ISO_B10,
MediaSizeName.JIS_B0, MediaSizeName.JIS_B1, MediaSizeName.JIS_B2,
MediaSizeName.JIS_B3, MediaSizeName.JIS_B4, MediaSizeName.JIS_B5,
MediaSizeName.JIS_B6, MediaSizeName.JIS_B7, MediaSizeName.JIS_B8,
MediaSizeName.JIS_B9, MediaSizeName.JIS_B10, MediaSizeName.ISO_C0,
MediaSizeName.ISO_C1, MediaSizeName.ISO_C2, MediaSizeName.ISO_C3,
MediaSizeName.ISO_C4, MediaSizeName.ISO_C5, MediaSizeName.ISO_C6,
null, null, null, null,
MediaSizeName.ISO_DESIGNATED_LONG, MediaSizeName.EXECUTIVE,
MediaSizeName.FOLIO, MediaSizeName.INVOICE, MediaSizeName.LEDGER,
MediaSizeName.NA_LETTER, MediaSizeName.NA_LEGAL,
MediaSizeName.QUARTO, MediaSizeName.A, MediaSizeName.B,
MediaSizeName.C, MediaSizeName.D, MediaSizeName.E,
MediaSizeName.NA_10X15_ENVELOPE, MediaSizeName.NA_10X14_ENVELOPE,
MediaSizeName.NA_10X13_ENVELOPE, MediaSizeName.NA_9X12_ENVELOPE,
MediaSizeName.NA_9X11_ENVELOPE, MediaSizeName.NA_7X9_ENVELOPE,
MediaSizeName.NA_6X9_ENVELOPE,
MediaSizeName.NA_NUMBER_9_ENVELOPE,
MediaSizeName.NA_NUMBER_10_ENVELOPE,
MediaSizeName.NA_NUMBER_11_ENVELOPE,
MediaSizeName.NA_NUMBER_12_ENVELOPE,
MediaSizeName.NA_NUMBER_14_ENVELOPE,
null, MediaSizeName.ITALY_ENVELOPE,
MediaSizeName.MONARCH_ENVELOPE, MediaSizeName.PERSONAL_ENVELOPE,
};
// widths and lengths in PostScript points (1/72 in.)
private static final int WIDTHS[] = {
/*iso-4a0*/ 4768, /*iso-2a0*/ 3370, /*iso-a0*/ 2384, /*iso-a1*/ 1684,
/*iso-a2*/ 1191, /*iso-a3*/ 842, /*iso-a4*/ 595, /*iso-a5*/ 420,
/*iso-a6*/ 298, /*iso-a7*/ 210, /*iso-a8*/ 147, /*iso-a9*/ 105,
/*iso-a10*/ 74, /*iso-b0*/ 2835, /*iso-b1*/ 2004, /*iso-b2*/ 1417,
/*iso-b3*/ 1001, /*iso-b4*/ 709, /*iso-b5*/ 499, /*iso-b6*/ 354,
/*iso-b7*/ 249, /*iso-b8*/ 176, /*iso-b9*/ 125, /*iso-b10*/ 88,
/*jis-b0*/ 2920, /*jis-b1*/ 2064, /*jis-b2*/ 1460, /*jis-b3*/ 1032,
/*jis-b4*/ 729, /*jis-b5*/ 516, /*jis-b6*/ 363, /*jis-b7*/ 258,
/*jis-b8*/ 181, /*jis-b9*/ 128, /*jis-b10*/ 91, /*iso-c0*/ 2599,
/*iso-c1*/ 1837, /*iso-c2*/ 1298, /*iso-c3*/ 918, /*iso-c4*/ 649,
/*iso-c5*/ 459, /*iso-c6*/ 323, /*iso-c7*/ 230, /*iso-c8*/ 162,
/*iso-c9*/ 113, /*iso-c10*/ 79, /*iso-designated-long*/ 312,
/*executive*/ 522, /*folio*/ 612, /*invoice*/ 396, /*ledger*/ 792,
/*na-letter*/ 612, /*na-legal*/ 612, /*quarto*/ 609, /*a*/ 612,
/*b*/ 792, /*c*/ 1224, /*d*/ 1584, /*e*/ 2448,
/*na-10x15-envelope*/ 720, /*na-10x14-envelope*/ 720,
/*na-10x13-envelope*/ 720, /*na-9x12-envelope*/ 648,
/*na-9x11-envelope*/ 648, /*na-7x9-envelope*/ 504,
/*na-6x9-envelope*/ 432, /*na-number-9-envelope*/ 279,
/*na-number-10-envelope*/ 297, /*na-number-11-envelope*/ 324,
/*na-number-12-envelope*/ 342, /*na-number-14-envelope*/ 360,
/*invite-envelope*/ 624, /*italy-envelope*/ 312,
/*monarch-envelope*/ 279, /*personal-envelope*/ 261
};
private static final int LENGTHS[] = {
/*iso-4a0*/ 6741, /*iso-2a0*/ 4768, /*iso-a0*/ 3370, /*iso-a1*/ 2384,
/*iso-a2*/ 1684, /*iso-a3*/ 1191, /*iso-a4*/ 842, /*iso-a5*/ 595,
/*iso-a6*/ 420, /*iso-a7*/ 298, /*iso-a8*/ 210, /*iso-a9*/ 147,
/*iso-a10*/ 105, /*iso-b0*/ 4008, /*iso-b1*/ 2835, /*iso-b2*/ 2004,
/*iso-b3*/ 1417, /*iso-b4*/ 1001, /*iso-b5*/ 729, /*iso-b6*/ 499,
/*iso-b7*/ 354, /*iso-b8*/ 249, /*iso-b9*/ 176, /*iso-b10*/ 125,
/*jis-b0*/ 4127, /*jis-b1*/ 2920, /*jis-b2*/ 2064, /*jis-b3*/ 1460,
/*jis-b4*/ 1032, /*jis-b5*/ 729, /*jis-b6*/ 516, /*jis-b7*/ 363,
/*jis-b8*/ 258, /*jis-b9*/ 181, /*jis-b10*/ 128, /*iso-c0*/ 3677,
/*iso-c1*/ 2599, /*iso-c2*/ 1837, /*iso-c3*/ 1298, /*iso-c4*/ 918,
/*iso-c5*/ 649, /*iso-c6*/ 459, /*iso-c7*/ 323, /*iso-c8*/ 230,
/*iso-c9*/ 162, /*iso-c10*/ 113, /*iso-designated-long*/ 624,
/*executive*/ 756, /*folio*/ 936, /*invoice*/ 612, /*ledger*/ 1224,
/*na-letter*/ 792, /*na-legal*/ 1008, /*quarto*/ 780, /*a*/ 792,
/*b*/ 1224, /*c*/ 1584, /*d*/ 2448, /*e*/ 3168,
/*na-10x15-envelope*/ 1080, /*na-10x14-envelope*/ 1008,
/*na-10x13-envelope*/ 936, /*na-9x12-envelope*/ 864,
/*na-9x11-envelope*/ 792, /*na-7x9-envelope*/ 648,
/*na-6x9-envelope*/ 648, /*na-number-9-envelope*/ 639,
/*na-number-10-envelope*/ 684, /*na-number-11-envelope*/ 747,
/*na-number-12-envelope*/ 792, /*na-number-14-envelope*/ 828,
/*invite-envelope*/ 624, /*italy-envelope*/ 652,
/*monarch-envelope*/ 540, /*personal-envelope*/ 468
};
private Frame frame;
private String docTitle = "";
private JobAttributes jobAttributes;
private PageAttributes pageAttributes;
private PrintRequestAttributeSet attributes;
/*
* Displays the native or cross-platform dialog and allows the
* user to update job & page attributes
*/
/**
* The PrinterJob being uses to implement the PrintJob.
*/
private PrinterJob printerJob;
/**
* The size of the page being used for the PrintJob.
*/
private PageFormat pageFormat;
/**
* The PrinterJob and the application run on different
* threads and communicate through a pair of message
* queues. This queue is the list of Graphics that
* the PrinterJob has requested rendering for, but
* for which the application has not yet called getGraphics().
* In practice the length of this message queue is always
* 0 or 1.
*/
private MessageQ graphicsToBeDrawn = new MessageQ("tobedrawn");
/**
* Used to communicate between the application's thread
* and the PrinterJob's thread this message queue holds
* the list of Graphics into which the application has
* finished drawing, but that have not yet been returned
* to the PrinterJob thread. Again, in practice, the
* length of this message queue is always 0 or 1.
*/
private MessageQ graphicsDrawn = new MessageQ("drawn");
/**
* The last Graphics returned to the application via
* getGraphics. This is the Graphics into which the
* application is currently drawing.
*/
private Graphics2D currentGraphics;
/**
* The zero based index of the page currently being rendered
* by the application.
*/
private int pageIndex = -1;
// The following Strings are maintained for backward-compatibility with
// Properties based print control.
private final static String DEST_PROP = "awt.print.destination";
private final static String PRINTER = "printer";
private final static String FILE = "file";
private final static String PRINTER_PROP = "awt.print.printer";
private final static String FILENAME_PROP = "awt.print.fileName";
private final static String NUMCOPIES_PROP = "awt.print.numCopies";
private final static String OPTIONS_PROP = "awt.print.options";
private final static String ORIENT_PROP = "awt.print.orientation";
private final static String PORTRAIT = "portrait";
private final static String LANDSCAPE = "landscape";
private final static String PAPERSIZE_PROP = "awt.print.paperSize";
private final static String LETTER = "letter";
private final static String LEGAL = "legal";
private final static String EXECUTIVE = "executive";
private final static String A4 = "a4";
private Properties props;
private String options = ""; // REMIND: needs implementation
/**
* The thread on which PrinterJob is running.
* This is different than the applications thread.
*/
private Thread printerJobThread;
public PrintJob2D(Frame frame, String doctitle,
final Properties props) {
this.props = props;
this.jobAttributes = new JobAttributes();
this.pageAttributes = new PageAttributes();
translateInputProps();
initPrintJob2D(frame, doctitle,
this.jobAttributes, this.pageAttributes);
}
public PrintJob2D(Frame frame, String doctitle,
JobAttributes jobAttributes,
PageAttributes pageAttributes) {
initPrintJob2D(frame, doctitle, jobAttributes, pageAttributes);
}
private void initPrintJob2D(Frame frame, String doctitle,
JobAttributes jobAttributes,
PageAttributes pageAttributes) {
SecurityManager security = System.getSecurityManager();
if (security != null) {
security.checkPrintJobAccess();
}
if (frame == null &&
(jobAttributes == null ||
jobAttributes.getDialog() == DialogType.NATIVE)) {
throw new NullPointerException("Frame must not be null");
}
this.frame = frame;
this.docTitle = (doctitle == null) ? "" : doctitle;
this.jobAttributes = (jobAttributes != null)
? jobAttributes : new JobAttributes();
this.pageAttributes = (pageAttributes != null)
? pageAttributes : new PageAttributes();
// Currently, we always reduce page ranges to xxx or xxx-xxx
int[][] pageRanges = this.jobAttributes.getPageRanges();
int first = pageRanges[0][0];
int last = pageRanges[pageRanges.length - 1][1];
this.jobAttributes.setPageRanges(new int[][] {
new int[] { first, last }
});
this.jobAttributes.setToPage(last);
this.jobAttributes.setFromPage(first);
// Verify that the cross feed and feed resolutions are the same
int[] res = this.pageAttributes.getPrinterResolution();
if (res[0] != res[1]) {
throw new IllegalArgumentException("Differing cross feed and feed"+
" resolutions not supported.");
}
// Verify that the app has access to the file system
DestinationType dest= this.jobAttributes.getDestination();
if (dest == DestinationType.FILE) {
throwPrintToFile();
// check if given filename is valid
String destStr = jobAttributes.getFileName();
if ((destStr != null) &&
(jobAttributes.getDialog() == JobAttributes.DialogType.NONE)) {
File f = new File(destStr);
try {
// check if this is a new file and if filename chars are valid
// createNewFile returns false if file exists
if (f.createNewFile()) {
f.delete();
}
} catch (IOException ioe) {
throw new IllegalArgumentException("Cannot write to file:"+
destStr);
} catch (SecurityException se) {
//There is already file read/write access so at this point
// only delete access is denied. Just ignore it because in
// most cases the file created in createNewFile gets overwritten
// anyway.
}
File pFile = f.getParentFile();
if ((f.exists() &&
(!f.isFile() || !f.canWrite())) ||
((pFile != null) &&
(!pFile.exists() || (pFile.exists() && !pFile.canWrite())))) {
throw new IllegalArgumentException("Cannot write to file:"+
destStr);
}
}
}
}
public boolean printDialog() {
boolean proceedWithPrint = false;
printerJob = PrinterJob.getPrinterJob();
if (printerJob == null) {
return false;
}
DialogType d = this.jobAttributes.getDialog();
PrintService pServ = printerJob.getPrintService();
if ((pServ == null) && (d == DialogType.NONE)){
return false;
}
copyAttributes(pServ);
DefaultSelectionType select =
this.jobAttributes.getDefaultSelection();
if (select == DefaultSelectionType.RANGE) {
attributes.add(SunPageSelection.RANGE);
} else if (select == DefaultSelectionType.SELECTION) {
attributes.add(SunPageSelection.SELECTION);
} else {
attributes.add(SunPageSelection.ALL);
}
if (frame != null) {
attributes.add(new DialogOwner(frame));
}
if ( d == DialogType.NONE) {
proceedWithPrint = true;
} else {
if (d == DialogType.NATIVE) {
attributes.add(DialogTypeSelection.NATIVE);
} else { // (d == DialogType.COMMON)
attributes.add(DialogTypeSelection.COMMON);
}
if (proceedWithPrint = printerJob.printDialog(attributes)) {
if (pServ == null) {
// Windows gives an option to install a service
// when it detects there are no printers so
// we make sure we get the updated print service.
pServ = printerJob.getPrintService();
if (pServ == null) {
return false;
}
}
updateAttributes();
translateOutputProps();
}
}
if (proceedWithPrint) {
JobName jname = (JobName)attributes.get(JobName.class);
if (jname != null) {
printerJob.setJobName(jname.toString());
}
pageFormat = new PageFormat();
Media media = (Media)attributes.get(Media.class);
MediaSize mediaSize = null;
if (media != null && media instanceof MediaSizeName) {
mediaSize = MediaSize.getMediaSizeForName((MediaSizeName)media);
}
Paper p = pageFormat.getPaper();
if (mediaSize != null) {
p.setSize(mediaSize.getX(MediaSize.INCH)*72.0,
mediaSize.getY(MediaSize.INCH)*72.0);
}
if (pageAttributes.getOrigin()==OriginType.PRINTABLE) {
// AWT uses 1/4" borders by default
p.setImageableArea(18.0, 18.0,
p.getWidth()-36.0,
p.getHeight()-36.0);
} else {
p.setImageableArea(0.0,0.0,p.getWidth(),p.getHeight());
}
pageFormat.setPaper(p);
OrientationRequested orient =
(OrientationRequested)attributes.get(OrientationRequested.class);
if (orient!= null &&
orient == OrientationRequested.REVERSE_LANDSCAPE) {
pageFormat.setOrientation(PageFormat.REVERSE_LANDSCAPE);
} else if (orient == OrientationRequested.LANDSCAPE) {
pageFormat.setOrientation(PageFormat.LANDSCAPE);
} else {
pageFormat.setOrientation(PageFormat.PORTRAIT);
}
printerJob.setPrintable(this, pageFormat);
}
return proceedWithPrint;
}
private void updateAttributes() {
Copies c = (Copies)attributes.get(Copies.class);
jobAttributes.setCopies(c.getValue());
SunPageSelection sel =
(SunPageSelection)attributes.get(SunPageSelection.class);
if (sel == SunPageSelection.RANGE) {
jobAttributes.setDefaultSelection(DefaultSelectionType.RANGE);
} else if (sel == SunPageSelection.SELECTION) {
jobAttributes.setDefaultSelection(DefaultSelectionType.SELECTION);
} else {
jobAttributes.setDefaultSelection(DefaultSelectionType.ALL);
}
Destination dest = (Destination)attributes.get(Destination.class);
if (dest != null) {
jobAttributes.setDestination(DestinationType.FILE);
jobAttributes.setFileName(dest.getURI().getPath());
} else {
jobAttributes.setDestination(DestinationType.PRINTER);
}
PrintService serv = printerJob.getPrintService();
if (serv != null) {
jobAttributes.setPrinter(serv.getName());
}
PageRanges range = (PageRanges)attributes.get(PageRanges.class);
int[][] members = range.getMembers();
jobAttributes.setPageRanges(members);
SheetCollate collation =
(SheetCollate)attributes.get(SheetCollate.class);
if (collation == SheetCollate.COLLATED) {
jobAttributes.setMultipleDocumentHandling(
MultipleDocumentHandlingType.SEPARATE_DOCUMENTS_COLLATED_COPIES);
} else {
jobAttributes.setMultipleDocumentHandling(
MultipleDocumentHandlingType.SEPARATE_DOCUMENTS_UNCOLLATED_COPIES);
}
Sides sides = (Sides)attributes.get(Sides.class);
if (sides == Sides.TWO_SIDED_LONG_EDGE) {
jobAttributes.setSides(SidesType.TWO_SIDED_LONG_EDGE);
} else if (sides == Sides.TWO_SIDED_SHORT_EDGE) {
jobAttributes.setSides(SidesType.TWO_SIDED_SHORT_EDGE);
} else {
jobAttributes.setSides(SidesType.ONE_SIDED);
}
// PageAttributes
Chromaticity color =
(Chromaticity)attributes.get(Chromaticity.class);
if (color == Chromaticity.COLOR) {
pageAttributes.setColor(ColorType.COLOR);
} else {
pageAttributes.setColor(ColorType.MONOCHROME);
}
OrientationRequested orient =
(OrientationRequested)attributes.get(OrientationRequested.class);
if (orient == OrientationRequested.LANDSCAPE) {
pageAttributes.setOrientationRequested(
OrientationRequestedType.LANDSCAPE);
} else {
pageAttributes.setOrientationRequested(
OrientationRequestedType.PORTRAIT);
}
PrintQuality qual = (PrintQuality)attributes.get(PrintQuality.class);
if (qual == PrintQuality.DRAFT) {
pageAttributes.setPrintQuality(PrintQualityType.DRAFT);
} else if (qual == PrintQuality.HIGH) {
pageAttributes.setPrintQuality(PrintQualityType.HIGH);
} else { // NORMAL
pageAttributes.setPrintQuality(PrintQualityType.NORMAL);
}
Media msn = (Media)attributes.get(Media.class);
if (msn != null && msn instanceof MediaSizeName) {
MediaType mType = unMapMedia((MediaSizeName)msn);
if (mType != null) {
pageAttributes.setMedia(mType);
}
}
debugPrintAttributes(false, false);
}
private void debugPrintAttributes(boolean ja, boolean pa ) {
if (ja) {
System.out.println("new Attributes\ncopies = "+
jobAttributes.getCopies()+
"\nselection = "+
jobAttributes.getDefaultSelection()+
"\ndest "+jobAttributes.getDestination()+
"\nfile "+jobAttributes.getFileName()+
"\nfromPage "+jobAttributes.getFromPage()+
"\ntoPage "+jobAttributes.getToPage()+
"\ncollation "+
jobAttributes.getMultipleDocumentHandling()+
"\nPrinter "+jobAttributes.getPrinter()+
"\nSides2 "+jobAttributes.getSides()
);
}
if (pa) {
System.out.println("new Attributes\ncolor = "+
pageAttributes.getColor()+
"\norientation = "+
pageAttributes.getOrientationRequested()+
"\nquality "+pageAttributes.getPrintQuality()+
"\nMedia2 "+pageAttributes.getMedia()
);
}
}
/* From JobAttributes we will copy job name and duplex printing
* and destination.
* The majority of the rest of the attributes are reflected
* attributes.
*
* From PageAttributes we copy color, media size, orientation,
* origin type, resolution and print quality.
* We use the media, orientation in creating the page format, and
* the origin type to set its imageable area.
*
* REMIND: Interpretation of resolution, additional media sizes.
*/
private void copyAttributes(PrintService printServ) {
attributes = new HashPrintRequestAttributeSet();
attributes.add(new JobName(docTitle, null));
PrintService pServ = printServ;
String printerName = jobAttributes.getPrinter();
if (printerName != null && printerName != ""
&& !printerName.equals(pServ.getName())) {
// Search for the given printerName in the list of PrintServices
PrintService []services = PrinterJob.lookupPrintServices();
try {
for (int i=0; i<services.length; i++) {
if (printerName.equals(services[i].getName())) {
printerJob.setPrintService(services[i]);
pServ = services[i];
break;
}
}
} catch (PrinterException pe) {
}
}
DestinationType dest = jobAttributes.getDestination();
if (dest == DestinationType.FILE &&
pServ.isAttributeCategorySupported(Destination.class)) {
String fileName = jobAttributes.getFileName();
Destination defaultDest;
if (fileName == null && (defaultDest = (Destination)pServ.
getDefaultAttributeValue(Destination.class)) != null) {
attributes.add(defaultDest);
} else {
URI uri = null;
try {
if (fileName != null) {
if (fileName.equals("")) {
fileName = ".";
}
} else {
// defaultDest should not be null. The following code
// is only added to safeguard against a possible
// buggy implementation of a PrintService having a
// null default Destination.
fileName = "out.prn";
}
uri = (new File(fileName)).toURI();
} catch (SecurityException se) {
try {
// '\\' file separator is illegal character in opaque
// part and causes URISyntaxException, so we replace
// it with '/'
fileName = fileName.replace('\\', '/');
uri = new URI("file:"+fileName);
} catch (URISyntaxException e) {
}
}
if (uri != null) {
attributes.add(new Destination(uri));
}
}
}
attributes.add(new SunMinMaxPage(jobAttributes.getMinPage(),
jobAttributes.getMaxPage()));
SidesType sType = jobAttributes.getSides();
if (sType == SidesType.TWO_SIDED_LONG_EDGE) {
attributes.add(Sides.TWO_SIDED_LONG_EDGE);
} else if (sType == SidesType.TWO_SIDED_SHORT_EDGE) {
attributes.add(Sides.TWO_SIDED_SHORT_EDGE);
} else if (sType == SidesType.ONE_SIDED) {
attributes.add(Sides.ONE_SIDED);
}
MultipleDocumentHandlingType hType =
jobAttributes.getMultipleDocumentHandling();
if (hType ==
MultipleDocumentHandlingType.SEPARATE_DOCUMENTS_COLLATED_COPIES) {
attributes.add(SheetCollate.COLLATED);
} else {
attributes.add(SheetCollate.UNCOLLATED);
}
attributes.add(new Copies(jobAttributes.getCopies()));
attributes.add(new PageRanges(jobAttributes.getFromPage(),
jobAttributes.getToPage()));
if (pageAttributes.getColor() == ColorType.COLOR) {
attributes.add(Chromaticity.COLOR);
} else {
attributes.add(Chromaticity.MONOCHROME);
}
pageFormat = printerJob.defaultPage();
if (pageAttributes.getOrientationRequested() ==
OrientationRequestedType.LANDSCAPE) {
pageFormat.setOrientation(PageFormat.LANDSCAPE);
attributes.add(OrientationRequested.LANDSCAPE);
} else {
pageFormat.setOrientation(PageFormat.PORTRAIT);
attributes.add(OrientationRequested.PORTRAIT);
}
MediaType media = pageAttributes.getMedia();
MediaSizeName msn = mapMedia(media);
if (msn != null) {
attributes.add(msn);
}
PrintQualityType qType =
pageAttributes.getPrintQuality();
if (qType == PrintQualityType.DRAFT) {
attributes.add(PrintQuality.DRAFT);
} else if (qType == PrintQualityType.NORMAL) {
attributes.add(PrintQuality.NORMAL);
} else if (qType == PrintQualityType.HIGH) {
attributes.add(PrintQuality.HIGH);
}
}
/**
* Gets a Graphics object that will draw to the next page.
* The page is sent to the printer when the graphics
* object is disposed. This graphics object will also implement
* the PrintGraphics interface.
* @see PrintGraphics
*/
public Graphics getGraphics() {
Graphics printGraphics = null;
synchronized (this) {
++pageIndex;
// Thread should not be created after end has been called.
// One way to detect this is if any of the graphics queue
// has been closed.
if (pageIndex == 0 && !graphicsToBeDrawn.isClosed()) {
/* We start a thread on which the PrinterJob will run.
* The PrinterJob will ask for pages on that thread
* and will use a message queue to fulfill the application's
* requests for a Graphics on the application's
* thread.
*/
startPrinterJobThread();
}
notify();
}
/* If the application has already been handed back
* a graphics then we need to put that graphics into
* the drawn queue so that the PrinterJob thread can
* return to the print system.
*/
if (currentGraphics != null) {
graphicsDrawn.append(currentGraphics);
currentGraphics = null;
}
/* We'll block here until a new graphics becomes
* available.
*/
currentGraphics = graphicsToBeDrawn.pop();
if (currentGraphics instanceof PeekGraphics) {
( (PeekGraphics) currentGraphics).setAWTDrawingOnly();
graphicsDrawn.append(currentGraphics);
currentGraphics = graphicsToBeDrawn.pop();
}
if (currentGraphics != null) {
/* In the PrintJob API, the origin is at the upper-
* left of the imageable area when using the new "printable"
* origin attribute, otherwise its the physical origin (for
* backwards compatibility. We emulate this by createing
* a PageFormat which matches and then performing the
* translate to the origin. This is a no-op if physical
* origin is specified.
*/
currentGraphics.translate(pageFormat.getImageableX(),
pageFormat.getImageableY());
/* Scale to accommodate AWT's notion of printer resolution */
double awtScale = 72.0/getPageResolutionInternal();
currentGraphics.scale(awtScale, awtScale);
/* The caller wants a Graphics instance but we do
* not want them to make 2D calls. We can't hand
* back a Graphics2D. The returned Graphics also
* needs to implement PrintGraphics, so we wrap
* the Graphics2D instance. The PrintJob API has
* the application dispose of the Graphics so
* we create a copy of the one returned by PrinterJob.
*/
printGraphics = new ProxyPrintGraphics(currentGraphics.create(),
this);
}
return printGraphics;
}
/**
* Returns the dimensions of the page in pixels.
* The resolution of the page is chosen so that it
* is similar to the screen resolution.
* Except (since 1.3) when the application specifies a resolution.
* In that case it it scaled accordingly.
*/
public Dimension getPageDimension() {
double wid, hgt, scale;
if (pageAttributes != null &&
pageAttributes.getOrigin()==OriginType.PRINTABLE) {
wid = pageFormat.getImageableWidth();
hgt = pageFormat.getImageableHeight();
} else {
wid = pageFormat.getWidth();
hgt = pageFormat.getHeight();
}
scale = getPageResolutionInternal() / 72.0;
return new Dimension((int)(wid * scale), (int)(hgt * scale));
}
private double getPageResolutionInternal() {
if (pageAttributes != null) {
int []res = pageAttributes.getPrinterResolution();
if (res[2] == 3) {
return res[0];
} else /* if (res[2] == 4) */ {
return (res[0] * 2.54);
}
} else {
return 72.0;
}
}
/**
* Returns the resolution of the page in pixels per inch.
* Note that this doesn't have to correspond to the physical
* resolution of the printer.
*/
public int getPageResolution() {
return (int)getPageResolutionInternal();
}
/**
* Returns true if the last page will be printed first.
*/
public boolean lastPageFirst() {
return false;
}
/**
* Ends the print job and does any necessary cleanup.
*/
public synchronized void end() {
/* Prevent the PrinterJob thread from appending any more
* graphics to the to-be-drawn queue
*/
graphicsToBeDrawn.close();
/* If we have a currentGraphics it was the last one returned to the
* PrintJob client. Append it to the drawn queue so that print()
* will return allowing the page to be flushed.
* This really ought to happen in dispose() but for whatever reason
* that isn't how the old PrintJob worked even though its spec
* said dispose() flushed the page.
*/
if (currentGraphics != null) {
graphicsDrawn.append(currentGraphics);
}
graphicsDrawn.closeWhenEmpty();
/* Wait for the PrinterJob.print() thread to terminate, ensuring
* that RasterPrinterJob has made its end doc call, and resources
* are released, files closed etc.
*/
if( printerJobThread != null && printerJobThread.isAlive() ){
try {
printerJobThread.join();
} catch (InterruptedException e) {
}
}
}
/**
* Ends this print job once it is no longer referenced.
* @see #end
*/
public void finalize() {
end();
}
/**
* Prints the page at the specified index into the specified
* {@link Graphics} context in the specified
* format. A <code>PrinterJob</code> calls the
* <code>Printable</code> interface to request that a page be
* rendered into the context specified by
* <code>graphics</code>. The format of the page to be drawn is
* specified by <code>pageFormat</code>. The zero based index
* of the requested page is specified by <code>pageIndex</code>.
* If the requested page does not exist then this method returns
* NO_SUCH_PAGE; otherwise PAGE_EXISTS is returned.
* The <code>Graphics</code> class or subclass implements the
* {@link PrinterGraphics} interface to provide additional
* information. If the <code>Printable</code> object
* aborts the print job then it throws a {@link PrinterException}.
* @param graphics the context into which the page is drawn
* @param pageFormat the size and orientation of the page being drawn
* @param pageIndex the zero based index of the page to be drawn
* @return PAGE_EXISTS if the page is rendered successfully
* or NO_SUCH_PAGE if <code>pageIndex</code> specifies a
* non-existent page.
* @exception java.awt.print.PrinterException
* thrown when the print job is terminated.
*/
public int print(Graphics graphics, PageFormat pageFormat, int pageIndex)
throws PrinterException {
int result;
/* This method will be called by the PrinterJob on a thread other
* that the application's thread. We hold on to the graphics
* until we can rendevous with the application's thread and
* hand over the graphics. The application then does all the
* drawing. When the application is done drawing we rendevous
* again with the PrinterJob thread and release the Graphics
* so that it knows we are done.
*/
/* Add the graphics to the message queue of graphics to
* be rendered. This is really a one slot queue. The
* application's thread will come along and remove the
* graphics from the queue when the app asks for a graphics.
*/
graphicsToBeDrawn.append( (Graphics2D) graphics);
/* We now wait for the app's thread to finish drawing on
* the Graphics. This thread will sleep until the application
* release the graphics by placing it in the graphics drawn
* message queue. If the application signals that it is
* finished drawing the entire document then we'll get null
* returned when we try and pop a finished graphic.
*/
if (graphicsDrawn.pop() != null) {
result = PAGE_EXISTS;
} else {
result = NO_SUCH_PAGE;
}
return result;
}
private void startPrinterJobThread() {
printerJobThread = new Thread(this, "printerJobThread");
printerJobThread.start();
}
public void run() {
try {
printerJob.print(attributes);
} catch (PrinterException e) {
//REMIND: need to store this away and not rethrow it.
}
/* Close the message queues so that nobody is stuck
* waiting for one.
*/
graphicsToBeDrawn.closeWhenEmpty();
graphicsDrawn.close();
}
private class MessageQ {
private String qid="noname";
private ArrayList queue = new ArrayList();
MessageQ(String id) {
qid = id;
}
synchronized void closeWhenEmpty() {
while (queue != null && queue.size() > 0) {
try {
wait(1000);
} catch (InterruptedException e) {
// do nothing.
}
}
queue = null;
notifyAll();
}
synchronized void close() {
queue = null;
notifyAll();
}
synchronized boolean append(Graphics2D g) {
boolean queued = false;
if (queue != null) {
queue.add(g);
queued = true;
notify();
}
return queued;
}
synchronized Graphics2D pop() {
Graphics2D g = null;
while (g == null && queue != null) {
if (queue.size() > 0) {
g = (Graphics2D) queue.remove(0);
notify();
} else {
try {
wait(2000);
} catch (InterruptedException e) {
// do nothing.
}
}
}
return g;
}
synchronized boolean isClosed() {
return queue == null;
}
}
private static int[] getSize(MediaType mType) {
int []dim = new int[2];
dim[0] = 612;
dim[1] = 792;
for (int i=0; i < SIZES.length; i++) {
if (SIZES[i] == mType) {
dim[0] = WIDTHS[i];
dim[1] = LENGTHS[i];
break;
}
}
return dim;
}
public static MediaSizeName mapMedia(MediaType mType) {
MediaSizeName media = null;
// JAVAXSIZES.length and SIZES.length must be equal!
// Attempt to recover by getting the smaller size.
int length = Math.min(SIZES.length, JAVAXSIZES.length);
for (int i=0; i < length; i++) {
if (SIZES[i] == mType) {
if ((JAVAXSIZES[i] != null) &&
MediaSize.getMediaSizeForName(JAVAXSIZES[i]) != null) {
media = JAVAXSIZES[i];
break;
} else {
/* create Custom Media */
media = new CustomMediaSizeName(SIZES[i].toString());
float w = (float)Math.rint(WIDTHS[i] / 72.0);
/**代码未完, 请加载全部代码(NowJava.com).**/
关注时代Java