org.jpedal.PdfDecoderFX Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of OpenViewerFX Show documentation
Show all versions of OpenViewerFX Show documentation
An Open Source JavaFX PDF Viewer
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2015 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* PdfDecoderFX.java
* ---------------
*/
package org.jpedal;
import org.jpedal.external.FXExternalHandlers;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.awt.print.PageFormat;
import java.awt.print.Pageable;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.security.PrivateKey;
import java.security.cert.Certificate;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import javafx.application.Platform;
import javafx.embed.swing.SwingFXUtils;
import javafx.geometry.Rectangle2D;
import javafx.scene.Cursor;
import javafx.scene.Group;
import javafx.scene.SnapshotParameters;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.control.ScrollPane;
import javafx.scene.image.Image;
import javafx.scene.image.WritableImage;
import javafx.scene.layout.Pane;
import javax.print.attribute.SetOfIntegerSyntax;
import javax.swing.*;
import javax.swing.border.Border;
import org.jpedal.constants.JPedalSettings;
import org.jpedal.constants.PDFflags;
import org.jpedal.constants.SpecialOptions;
import org.jpedal.display.*;
import org.jpedal.display.javafx.*;
import org.jpedal.examples.viewer.commands.javafx.JavaFXPreferences;
import org.jpedal.examples.viewer.gui.*;
import org.jpedal.examples.viewer.gui.javafx.JavaFXMouseFunctionality;
import org.jpedal.examples.viewer.gui.javafx.JavaFXMouseListener;
import org.jpedal.exception.PdfException;
import org.jpedal.external.ExternalHandlers;
import org.jpedal.external.Options;
import org.jpedal.external.PluginHandler;
import org.jpedal.fonts.FontMappings;
import org.jpedal.fonts.StandardFonts;
import org.jpedal.grouping.PdfGroupingAlgorithms;
import org.jpedal.gui.*;
import org.jpedal.io.*;
import org.jpedal.objects.*;
import org.jpedal.objects.acroforms.AcroRenderer;
import org.jpedal.objects.acroforms.actions.*;
import org.jpedal.objects.layers.PdfLayerList;
import org.jpedal.objects.outlines.OutlineData;
import org.jpedal.objects.raw.PdfObject;
//
import org.jpedal.parser.DecoderOptions;
import org.jpedal.parser.DecoderResults;
import org.jpedal.render.DynamicVectorRenderer;
import org.jpedal.render.FXDisplay;
import org.jpedal.text.TextLines;
import org.jpedal.utils.DPIFactory;
import org.jpedal.utils.LogWriter;
import org.w3c.dom.Document;
/**
* Provides an object to decode pdf files and provide a rasterizer if required -
* Normal usage is to create instance of PdfDecoder and access via public
* methods. Examples showing usage in org.jpedal.examples
*
* We recommend you access JPedal using only public methods listed in API
*/
public class PdfDecoderFX extends Pane implements Printable, Pageable, PdfDecoderInt {
///
private Image previewImage;
private String previewText;
private int curThumbPage = 1;
/**
* shared values
*/
private final DecoderOptions options=new DecoderOptions();
//public SwingPrinter swingPrinter = new SwingPrinter();
private final ExternalHandlers externalHandlers=new FXExternalHandlers(GUIModes.JAVAFX);
private final PdfResources res=new PdfResources();
final FileAccess fileAccess =new FileAccess(externalHandlers,res,options);
private final DecoderResults resultsFromDecode=new DecoderResults();
final Parser parser=new Parser(externalHandlers,options, fileAccess,res,resultsFromDecode);
private final DPIFactory scalingdpi=new DPIFactory();
//Darker background, glowing pages
public boolean useNewGraphicsMode = true;
public Display pages;
private boolean isBorderPresent = true;
private final DisplayOffsets displayOffsets=new DisplayOffsets();
private ActionHandler formsActionHandler,userActionHandler;
/**amount we scroll screen to make visible*/
private int scrollInterval=10;
/** when true setPageParameters draws the page rotated for use with scale to window */
private boolean isNewRotationSet;
/** used by setPageParameters to draw rotated pages */
int displayRotation;
/**width of the BufferedImage in pixels*/
int x_size = 100;
/**height of the BufferedImage in pixels*/
int y_size = 100;
/**unscaled page width and height*/
int max_x,max_y;
/**any scaling factor being used to convert co-ords into correct values and to alter image size */
float scaling=1;
/**border for component*/
protected Border myBorder;
private javafx.scene.shape.Rectangle imageHighlighter;
/**
* interactive status Bar
*/
private StatusBar statusBar;
/**
* see if file open - may not be open if user interrupted open or problem encountered
*/
@Override
public boolean isOpen() {
return fileAccess.isOpen();
}
Canvas previewThumbnail;
/**
* put a little thumbnail of page on display for user in viewer as he scrolls through
* @param g2
* @param visibleRect
*/
private void drawPreviewImage(final Graphics2D g2, final Rectangle visibleRect) {
if(previewImage!=null){
GraphicsContext context = previewThumbnail.getGraphicsContext2D();
context.setFill(new javafx.scene.paint.Color(0.25, 0.25, 0.25, 1));
context.fillRect(0, 0, previewThumbnail.getWidth(), previewThumbnail.getHeight());
context.drawImage(previewImage, 10, 10);
context.setStroke(new javafx.scene.paint.Color(1.0, 1.0, 1.0, 1.0));
context.strokeText(previewText, 10, (previewThumbnail.getHeight())-10);
ScrollPane pane = (ScrollPane) (getParent().getParent().getParent().getParent());
Group group = (Group)getParent();
double groupX = group.getBoundsInParent().getMinX();
double viewW = pane.getViewportBounds().getWidth();
double viewH = pane.getViewportBounds().getHeight();
double pdfW = getBoundsInParent().getWidth();
double thumW = previewThumbnail.getBoundsInLocal().getWidth();
double thumH = previewThumbnail.getBoundsInLocal().getHeight();
double x = pdfW+(viewW-groupX-pdfW-thumW-10); //use 10 for left padding fix;
double y = (viewH-thumH)/ getPageCount()* (curThumbPage-1);
previewThumbnail.setLayoutX(x);
previewThumbnail.setLayoutY(y);
}
}
//
@Override
public ExternalHandlers getExternalHandler() {
return externalHandlers;
}
protected PdfResources getRes() {
return res;
}
/**
* current page rotation (in addition to rotation in file) in degrees
* So if user turns page by 90 degrees, value will be 90
* @return
*/
@Override
public int getDisplayRotation() {
return displayRotation;
}
DecoderOptions getOptions() {
return options;
}
/**
* current logical page number
* @return
*/
@Override
public int getPageNumber() {
return fileAccess.getPageNumber();
}
public void setPageNumber(final int newPage) {
fileAccess.setPageNumber(newPage);
}
@Override
public void setDisplayRotation(final int newRotation) {
this.displayRotation=newRotation;
}
@Override
public Display getPages() {
return pages;
}
/**
* return page number for last page decoded (only use in SingleDisplay mode)
*/
@Override
public int getlastPageDecoded() {
return fileAccess.getLastPageDecoded();
}
/**
* return details on page for type (defined in org.jpedal.constants.PageInfo) or null if no values
* Unrecognised key will throw a RunTime exception
*
* null returned if JPedal not clear on result
*/
@Override
public Iterator getPageInfo(final int type) {
return resultsFromDecode.getPageInfo(type);
}
/**
* provide direct access to outlineData object
* @return OutlineData
*/
@Override
public OutlineData getOutlineData() {
return res.getOutlineData();
}
/**
* track if file still loaded in background
* @return
*/
@Override
public boolean isLoadingLinearizedPDF() {
return (fileAccess.linearParser.linearizedBackgroundReaderer!=null && fileAccess.linearParser.linearizedBackgroundReaderer.isAlive());
}
@Override
public boolean useNewGraphicsMode() {
return useNewGraphicsMode;
}
@Override
public void useNewGraphicsMode(final boolean b) {
useNewGraphicsMode = b;
}
@Override
public int getSpecialMode() {
return specialMode;
}
public void scrollRectToVisible(Rectangle rectangle) {
final ScrollPane customFXHandle= ((JavaFxGUI)getExternalHandler(Options.MultiPageUpdate)).getPageContainer();
//final int ch = (int)(pageData.getCropBoxHeight(commonValues.getCurrentPage())*scaling);
// final int cw = (int)(pageData.getCropBoxWidth(commonValues.getCurrentPage())*scaling);
double width=this.getWidth();
double height=this.getHeight();
customFXHandle.setVvalue((rectangle.y)/height);
//
// customFXHandle.setHmax(500);
customFXHandle.setHvalue(rectangle.x/width);
}
/**
* work out machine type so we can call OS X code to get around Java bugs.
*/
static {
/**
* see if mac
*/
final String name = System.getProperty("os.name");
if (name.equals("Mac OS X")) {
DecoderOptions.isRunningOnMac = true;
} else if (name.startsWith("Windows")) {
DecoderOptions.isRunningOnWindows = true;
}else if (name.startsWith("AIX")) {
DecoderOptions.isRunningOnAIX = true;
} else {
if (name.equals("Linux")) {
DecoderOptions.isRunningOnLinux = true;
}
}
// } catch (final Exception e) {
// //tell user and log
// if(LogWriter.isOutput()) {
// LogWriter.writeLog("Exception: " + e.getMessage());
// }
// //
// }
/**
* get version number so we can avoid bugs in various versions
*/
try{
DecoderOptions.javaVersion=Float.parseFloat(System.getProperty("java.specification.version"));
}catch(final NumberFormatException e){
//tell user and log
if(LogWriter.isOutput()) {
LogWriter.writeLog("Exception: " + e.getMessage());
}
//
}
//
}
/**
* NOT PART OF API
* turns off the viewable area, scaling the page back to original scaling
*/
@Override
public void resetViewableArea() {
//
//swingPainter.resetViewableArea(this, fileAccess.getPdfPageData());
}
/**
* Deprecated on 07/07/2014
* please use getPages().setViewableArea instead.
* @deprecated
*/
@Override
public AffineTransform setViewableArea(final Rectangle viewport) throws PdfException {
//
return null;
//return swingPainter.setViewableArea(viewport, this, fileAccess.getPdfPageData());
}
/**
* return type of alignment for pages if smaller than panel
* - see options in Display class.
*/
@Override
public int getPageAlignment() {
return options.getPageAlignment();
}
//
protected int specialMode= SpecialOptions.NONE;
/**
* Recommend way to create a PdfDecoder for renderer only viewer (not
* recommended for server extraction only processes)
*/
public PdfDecoderFX(final int specialMode, final UIViewerInt viewer) {
//swingPrinter.uiViewer = viewer;
this.specialMode=specialMode;
pages = new SingleDisplayFX(this,options);
options.setRenderPage(true);
//@swing
// setLayout(null);
//once only setup for fonts (dispose sets flag to false just incase)
if(!FontMappings.fontsInitialised){
FontMappings.initFonts();
FontMappings.fontsInitialised=true;
}
setId("PdfDecoderFX");
}
/**
* NOT PART OF API
*
* Recommend you use Viewer class if you want this functionality
* @param pageDisplayMode
*/
public void setPageDisplayMode(final int pageDisplayMode) {
specialMode=pageDisplayMode;
}
@SuppressWarnings("UnusedDeclaration")
public static UIViewerInt getUIViewer(){
// return swingPrinter.uiViewer;
return null;
}
/**
* Recommend way to create a PdfDecoder for renderer only viewer (not
* recommended for server extraction only processes)
*/
public PdfDecoderFX() {
pages = new SingleDisplayFX(this,options);
options.setRenderPage(true);
//@swing
// setLayout(null);
//once only setup for fonts (dispose sets flag to false just incase)
if(!FontMappings.fontsInitialised){
FontMappings.initFonts();
FontMappings.fontsInitialised=true;
}
//@swing
// setPreferredSize(new Dimension(100, 100));
setId("PdfDecoderFX");
}
/**
* Recommend way to create a PdfDecoder for renderer only viewer (not
* recommended for server extraction only processes)
*/
public PdfDecoderFX(final org.jpedal.gui.UIViewerInt uiViewer, final org.jpedal.gui.ViewerInt viewer, final int pageCount) {
// swingPrinter.uiViewer = uiViewer;
// swingPrinter.viewer = viewer;
fileAccess.setPageCount(pageCount);
// swingPrinter.isCustomPrinting = true;
pages = new SingleDisplayFX(this,options);
options.setRenderPage(true);
setId("PdfDecoderFX");
//@swing
// setLayout(null);
}
/**
* remove all static elements - only do once completely finished with JPedal
* as will not be reinitialised
*/
public static void disposeAllStatic() {
StandardFonts.dispose();
FontMappings.dispose();
}
/**
* convenience method to remove all items from memory
* If you wish to clear all static objects as well, you will also need to call
* disposeAllStatic()
*/
@Override
public final void dispose(){
if (SwingUtilities.isEventDispatchThread()){
parser.disposeObjects();
}else {
final Runnable doPaintComponent = new Runnable() {
@Override
public void run() {
parser.disposeObjects();
}
};
SwingUtilities.invokeLater(doPaintComponent);
}
}
/**
* convenience method to close the current PDF file and release all resources/delete any temporary files
*/
@Override
public final void closePdfFile() {
if(pages!=null) {
pages.stopGeneratingPage();
}
pages.disableScreen();
fileAccess.closePdfFile();
}
//
/**
* Access should not generally be required to
* this class but used in examples. Returns the PdfData object containing
* raw content from page
*
* @return PdfData object containing text content from PDF
*/
@Override
public final PdfData getPdfData() throws PdfException {
return parser.getPdfData();
}
/**
* flag to show if PDF document contains an outline
*/
@Override
public final boolean hasOutline() {
return res.hasOutline();
}
/**
* return a DOM document containing the PDF Outline object as a DOM Document - may return null
*/
@Override
public final Document getOutlineAsXML() {
return res.getOutlineAsXML(getIO());
}
/**
* Provides method for outside class to get data
* object containing information on the page for calculating grouping
* Please note: Structure of PdfPageData is not guaranteed to remain
* constant. Please contact IDRsolutions for advice.
*
* @return PdfPageData object
*/
@Override
public final PdfPageData getPdfPageData() {
return fileAccess.getPdfPageData();
}
/**
* set page range (inclusive) -
* If end is less than start it will print them
* backwards (invalid range will throw PdfException)
*
* @throws PdfException
*/
public void setPagePrintRange(final int start, final int end) throws PdfException {
// swingPrinter.setPagePrintRange(start, end, fileAccess.getPageCount());
}
/**
* tells program to try and use Java's font printing if possible as work
* around for issue with PCL printing - values are PdfDecoder.TEXTGLYPHPRINT
* (use Java to rasterize font if available) PdfDecoder.TEXTSTRINGPRINT(
* print as text not raster - fastest option) PdfDecoder.NOTEXTPRINT
* (default - highest quality)
*/
public void setTextPrint(final int textPrint) {
this.textPrint = textPrint;
}
/**
* flag to use Java's inbuilt font renderer if possible
*/
public int textPrint;
/**
* If you are printing PDFs using JPedal in your custom
* code, you may find pages missing, because JPedal does
* not know about these additional pages. This method
* allows you to tell JPedal you have already printed pagesPrinted
*/
public void useLogicalPrintOffset(final int pagesPrinted){
// swingPrinter.useLogicalPrintOffset(pagesPrinted);
}
/**
* Implements the standard Java printing functionality.
*
* @param graphics the context into which the page is drawn
* @param pageFormat the size and orientation of the page being drawn
* @param page the zero based index of the page to be drawn
* @return int Printable.PAGE_EXISTS or Printable.NO_SUCH_PAGE
* @throws PrinterException
*/
@Override
public int print(final Graphics graphics, final PageFormat pageFormat, final int page) throws PrinterException {
// return swingPrinter.print(graphics, pageFormat, page, getIO(), this, externalHandlers,scaling,res,getPageNumber(),options);
return -1;
}
//
/**
* generate BufferedImage of a page in current file
*
* Page size is defined by CropBox
* see http://files.idrsolutions.com/samplecode/org/jpedal/examples/images/ConvertPagesToImages.java.html for full details
*/
@Override
public BufferedImage getPageAsImage(final int pageIndex) throws PdfException {
return getPageAsImage(pageIndex, false);
}
//
/**
* generate BufferedImage of a page in current file
*/
private BufferedImage getPageAsImage(final int pageIndex, final boolean imageIsTransparent) throws PdfException {
parser.setParms(displayRotation, scaling, 0, specialMode);
return parser.getPageAsImage(pageIndex,imageIsTransparent);
}
//
/**
* provide method for outside class to clear store of objects once written out to reclaim memory
*
* @param reinit lag to show if image data flushed as well
*/
@Override
public final void flushObjectValues(final boolean reinit) {
parser.flushObjectValues(reinit);
}
/**
* provide method for outside class to get data object containing images
*
* Please look at examples for usage
*
* @return PdfImageData containing image metadata
*/
@Override
public final PdfImageData getPdfImageData() {
return parser.getPdfImageData();
}
//
/**
* set render mode to state what is displayed onscreen (ie
* RENDERTEXT,RENDERIMAGES) - only generally required if you do not wish to
* show all objects on screen (default is all). Add values together to
* combine settings.
*/
@Override
public final void setRenderMode(final int mode) {
parser.setRenderMode(mode);
}
/**
* set extraction mode telling JPedal what to extract -
* (TEXT,RAWIMAGES,FINALIMAGES - add together to combine) - See
* org.jpedal.examples for specific extraction examples
*/
@Override
public final void setExtractionMode(final int mode) {
parser.setExtractionMode(mode);
}
/**
* allow user to alter certain values in software
* such as Colour,
*
* Please note all Color and text highlighting values are static and common across the JVM
*/
@Override
public void modifyNonstaticJPedalParameters(final Map values) throws PdfException {
options.set(values);
//To ensure the background changes when the value is set
//we change this Objects background if a values for it has been passed in.
if(values.containsKey(JPedalSettings.DISPLAY_BACKGROUND)){
//@swing
// setBackground(options.getDisplayBackgroundColor());
}
}
/**
* allow user to alter certain values in software such as Colour,
*
* If you are using decoder.getPageAsHiRes() after passing additional parameters into JPedal using the static method
* PdfDecoder.modifyJPedalParameters(), then getPageAsHiRes() wont necessarily be thread safe. If you want to use
* getPageAsHiRes() and pass in additional parameters, in a thread safe mannor, please use the method
* getPageAsHiRes(int pageIndex, Map params) or getPageAsHiRes(int pageIndex, Map params, boolean isTransparent) and
* pass the additional parameters in directly to the getPageAsHiRes() method without calling PdfDecoder.modifyJPedalParameters()
* first.
*
* Please see http://files.idrsolutions.com/samplecode/org/jpedal/examples/images/ConvertPagesToHiResImages.java.html for example of usage
*
* Please note all Color and text highlighting values except page colour are static and common across the JVM
*/
public static void modifyJPedalParameters(final Map values) throws PdfException {
if(values!=null) {
DecoderOptions.modifyJPedalParameters(values);
}
}
/**
* method to return null or object giving access info fields and metadata.
*/
@Override
public final PdfFileInformation getFileInformationData() {
return res.getMetaData(getIO());
}
/**
*
* Please do not use for general usage. Use setPageParameters(scalingValue, pageNumber) to set page scaling
*/
@Override
public final void setExtractionMode(final int mode, final float scaling) {
this.scaling = scaling;
parser.setExtractionMode(mode, scaling);
}
/**
* return handle on PDFFactory which adjusts display size so matches size in Acrobat
* @return
*/
@Override
public DPIFactory getDPIFactory(){
return scalingdpi;
}
/**
* initialise panel and set size to fit PDF page
* intializes display with rotation set to the default, specified in the PDF document
* scaling value of -1 means keep existing setting
*/
@Override
public void setPageParameters(float scaling, final int pageNumber) {
fileAccess.setPageNumber(pageNumber);
parser.resetMultiplyer();
//pick up flag to prevent loop
if (getDisplayView()==Display.PAGEFLOW && scaling==-100f) {
return;
}
//ignore negative value or set
if(scaling>0) {
this.scaling = scaling;
} else {
scaling = this.scaling;
}
if(pages!=null) {
pages.setScaling(scaling);
}
final PdfLayerList layers=res.getPdfLayerList();
if(layers!=null){
final boolean layersChanged=layers.setZoom(scalingdpi.removeScaling(scaling));
if(layersChanged){
// try {
decodePage(-1);
// } catch (final Exception e) {
// //tell user and log
// if(LogWriter.isOutput()) {
// LogWriter.writeLog("Exception: " + e.getMessage());
// }
// //
// }
}
}
final PdfPageData pageData= fileAccess.getPdfPageData();
pageData.setScalingValue(scaling); //ensure aligned
final int mediaW = pageData.getMediaBoxWidth(pageNumber);
max_y = pageData.getMediaBoxHeight(pageNumber);
max_x = pageData.getMediaBoxWidth(pageNumber);
final int cropW = pageData.getCropBoxWidth(pageNumber);
final int cropH = pageData.getCropBoxHeight(pageNumber);
this.x_size =(int) ((cropW)*scaling);
this.y_size =(int) ((cropH)*scaling);
//rotation is broken in viewer without this - you can't alter it
//can anyone remember why we added this code???
//it breaks PDFs if the rotation changes between pages
if(!isNewRotationSet && getDisplayView()!=Display.PAGEFLOW){
displayRotation = pageData.getRotation(pageNumber);
}else{
isNewRotationSet=false;
}
final DynamicVectorRenderer currentDisplay= fileAccess.getDynamicRenderer();
currentDisplay.init(mediaW,max_y,options.getPageColor());
if(!currentDisplay.isHTMLorSVG()){
currentDisplay.setValue(DynamicVectorRenderer.ALT_BACKGROUND_COLOR, options.getPageColor().getRGB());
if(options.getTextColor()!=null){
currentDisplay.setValue(DynamicVectorRenderer.ALT_FOREGROUND_COLOR, options.getTextColor().getRGB());
if(options.getChangeTextAndLine()) {
currentDisplay.setValue(DynamicVectorRenderer.FOREGROUND_INCLUDE_LINEART, 1);
} else {
currentDisplay.setValue(DynamicVectorRenderer.FOREGROUND_INCLUDE_LINEART, 0);
}
}
}
/**update the AffineTransform using the current rotation*/
pages.setPageRotation(displayRotation);
if(GUI.debugFX){
System.out.println("externalHandlers.getExternalHandler(Options.SwingContainer) in PdfDecoderFX.java not implemented yet for JavaFX");
}
// Object swingGUI=externalHandlers.getExternalHandler(Options.SwingContainer);
// if(swingGUI!=null){
// int index = ((SwingGUI)swingGUI).getCombo( org.jpedal.examples.viewer.Commands.SCALING).getSelectedIndex();
// if(index<3){
// ((SwingGUI) swingGUI).getCommand().getViewStack().add(pageNumber, null, index - 3);
// }
// }
//refresh forms in case any effected
final AcroRenderer formRenderer=externalHandlers.getFormRenderer();
if(formRenderer!=null) {
formRenderer.getCompData().setForceRedraw(true);
}
}
/** calls setPageParameters(scaling,pageNumber) after setting rotation to draw page */
@Override
public void setPageParameters(final float scaling, final int pageNumber, final int newRotation) {
isNewRotationSet=true;
displayRotation=newRotation;
if (getDisplayView() == Display.PAGEFLOW) {
pages.init(0, displayRotation, 0, null, false);
} else {
setPageParameters(scaling, pageNumber);
}
}
/**
* Not part of API - used internally
*
* set status bar to use when decoding a page - StatusBar provides a GUI
* object to display progress and messages.
*/
@Override
public void setStatusBarObject(final StatusBar statusBar) {
this.statusBar = statusBar;
}
/**
* wait for decoding to finish
*/
@Override
public void waitForDecodingToFinish() {
fileAccess.waitForDecodingToFinish();
}
/**
* Not part of API - used internally
*
* gets DynamicVector Object
*/
@Override
public DynamicVectorRenderer getDynamicRenderer() {
return fileAccess.getDynamicRenderer();
}
/**
* Not part of API - used internally
*
* gets DynamicVector Object - NOT PART OF API and subject to change (DO NOT USE)
*/
@Override
public DynamicVectorRenderer getDynamicRenderer(final boolean reset) {
return fileAccess.getDynamicRenderer(reset);
}
/**
* Override setCursor so that we can turn on and off
*/
public static void setPDFCursor(final Cursor c){
//
if(SingleDisplayFX.allowChangeCursor){
//@swing
// this.setCursor(c);
}
}
//All Pdf decoder to remember the default for current settings
//private Cursor defaultCursor = null;
/**
* When changing the mouse mode we call this method to set the mouse mode default cursor
* @param c :: The cursor to set as the default
*/
public void setDefaultCursor(final Cursor c){
if(SingleDisplayFX.allowChangeCursor){
setCursor(c);
}
}
//When default option is used, use the set default not the component default
//@swing
/**
@Override
public void setCursor(Cursor c){
if(GUIDisplay.allowChangeCursor){
if(c.getType()==Cursor.DEFAULT_CURSOR && defaultCursor!=null){
super.setCursor(defaultCursor);
}else{
super.setCursor(c);
}
}
}
/**/
/**
* decode a page, - page must be between 1 and
* PdfDecoder.getPageCount() - Will kill off if already running
*
* returns minus page if trying to open linearized page not yet available
*/
@Override
public final void decodePage(final int rawPage) {
final boolean isPageAvailable=isPageAvailable(rawPage);
final PdfObject pdfObject= fileAccess.linearParser.getLinearPageObject();
// Used to redraw forms after layers have been changed
final boolean hasLayersChanged;
if(res.getPdfLayerList() != null){
hasLayersChanged=res.getPdfLayerList().getChangesMade();
}else{
hasLayersChanged=false;
}
/**
* if linearized and PdfObject then setup
*/
if(!isPageAvailable){
return;
}else if(isPageAvailable && pdfObject!=null){
fileAccess.readAllPageReferences(true, pdfObject, new HashMap(1000), new HashMap(1000),rawPage, getFormRenderer(),res, options.getInsetW(), options.getInsetH());
}
parser.setStatusBar(statusBar);
parser.setParms(displayRotation,scaling,(int)pages.getIndent(),specialMode);
pages.setCursorBoxOnScreen(null,rawPage== fileAccess.getLastPageDecoded());
final DynamicVectorRenderer currentDisplay=new FXDisplay(rawPage,getObjectStore(), false);
fileAccess.setDVR(currentDisplay);
parser.decodePage(rawPage);
if(hasLayersChanged){
// Form objects get drawn over so redraw them if the layers have been changed
externalHandlers.getFormRenderer().getCompData().resetScaledLocation(pages.getOldScaling(), displayRotation, 0);
}
if(Platform.isFxApplicationThread()){
// try{
/**
* Updated variables for highlighting on page decode.
*/
color = DecoderOptions.highlightColor.getRGB();
opacity = DecoderOptions.highlightComposite;
highlightsPane.getChildren().clear();
pages.init(scaling, displayRotation, rawPage, currentDisplay, true);
pages.refreshDisplay();
}else{
//Ensure dialog is handled on FX thread
Platform.runLater(new Runnable() {
@Override
public void run() {
/**
* Updated variables for highlighting on page decode.
*/
color = DecoderOptions.highlightColor.getRGB();
opacity = DecoderOptions.highlightComposite;
highlightsPane.getChildren().clear();
pages.init(scaling, displayRotation, rawPage, currentDisplay, true);
pages.refreshDisplay();
}
});
}
}
/**
* see if page available if in Linearized mode or return true
* @param rawPage
* @return
*/
@Override
public synchronized boolean isPageAvailable(final int rawPage) {
return parser.isPageAvailable(rawPage);
}
//
/**
* allow user to add grapical content on top of page - for display ONLY
* Additional calls will overwrite current settings on page
* ONLY works in SINGLE VIEW displaymode
*/
@Override
public void drawAdditionalObjectsOverPage(final int page, final int[] type, final Color[] colors, final Object[] obj) throws PdfException {
if (page == getPageNumber()) {
FXAdditionalData additionaValuesforPage=(FXAdditionalData) externalHandlers.getExternalHandler(Options.JavaFX_ADDITIONAL_OBJECTS);
if(additionaValuesforPage!=null){ //transition so store data to pickup later
additionaValuesforPage.setType(type);
additionaValuesforPage.setObj(obj);
}else{
final DynamicVectorRenderer currentDisplay= fileAccess.getDynamicRenderer();
//add to screen display
currentDisplay.drawAdditionalObjectsOverPage(type, colors, obj);
//ensure redraw
pages.refreshDisplay();
}
}
}
/**
* allow user to remove all additional graphical content from the page (only for display)
* ONLY works in SINGLE VIEW displaymode
*/
@Override
public void flushAdditionalObjectsOnPage(final int page) throws PdfException {
//remove content by redrawing page
if (page == getPageNumber()){
fileAccess.setLastPageDecoded(-page); //stop decode thinking it is duplicat request
decodePage(page);
}
}
/**
* uses hires images to create a higher quality display - downside is it is
* slower and uses more memory (default is false).- Does nothing in OS
* version
*
*/
@Override
public boolean isHiResScreenDisplay() {
return options.useHiResImageForDisplay();
}
/**
* uses hires images to create a higher quality display - downside is it is
* slower and uses more memory (default is false).- Does nothing in OS
* version
*
* @param value
*/
@Override
public void useHiResScreenDisplay(final boolean value) {
options.useHiResImageForDisplay(value);
}
/**
* decode a page as a background thread (use other background methods to access data)
*
* we now recommend you use decodePage as this has been heavily optimised for speed
*/
@Override
public final synchronized void decodePageInBackground(final int i) throws Exception {
parser.decodePageInBackground(i);
}
/**
* get page count of current PDF file
*/
@Override
public final int getPageCount() {
return fileAccess.getPageCount();
}
/**
* return true if the current pdf file is encrypted
* check isFileViewable(),
*
* if file is encrypted and not viewable - a user specified password is
* needed.
*/
@Override
public final boolean isEncrypted() {
return fileAccess.isEncrypted();
}
/**
* show if encryption password has been supplied or set a certificate
*/
@Override
public final boolean isPasswordSupplied() {
return fileAccess.isPasswordSupplied(getIO());
}
/**
* show if encrypted file can be viewed,
* if false a password needs entering
*/
@Override
public boolean isFileViewable() {
return fileAccess.isFileViewable(getIO());
}
/**
* show if content can be extracted
*/
@Override
public boolean isExtractionAllowed() {
if (getIO() != null){
final PdfFileReader objectReader=getIO().getObjectReader();
final DecryptionFactory decryption=objectReader.getDecryptionObject();
return decryption==null || decryption.getBooleanValue(PDFflags.IS_EXTRACTION_ALLOWED);
}else {
return false;
}
}
/**
* set a password for encryption - software will resolve if user or owner
* password- calls verifyAccess() from 2.74 so no separate call needed
*/
@Override
public final void setEncryptionPassword(final String password) throws PdfException {
if (getIO() == null) {
throw new PdfException("Must open PdfDecoder file first");
}
getIO().getObjectReader().setPassword(password);
if (getIO() != null) {
try {
preOpen();
fileAccess.openPdfFile();
postOpen();
} catch (final PdfException e) {
//
if(LogWriter.isOutput()) {
LogWriter.writeLog("Exception " + e + " opening file");
}
}
}
}
/**
* routine to open a byte stream containing the PDF file and extract key info
* from pdf file so we can decode any pages. Does not actually decode the
* pages themselves - By default files over 16384 bytes are cached to disk
* but this can be altered by setting PdfFileReader.alwaysCacheInMemory to a maximimum size or -1 (always keep in memory)
*
*/
@Override
public final void openPdfArray(final byte[] data, final String password) throws PdfException {
if(data==null) {
throw new RuntimeException("Attempting to open null byte stream");
}
preOpen();
if(fileAccess.isOpen)
//throw new RuntimeException("Previous file not closed");
{
closePdfFile(); //also checks decoding done
}
fileAccess.openPdfArray(data,password);
postOpen();
}
/**
* routine to open a byte stream containing the PDF file and extract key info
* from pdf file so we can decode any pages. Does not actually decode the
* pages themselves - By default files over 16384 bytes are cached to disk
* but this can be altered by setting PdfFileReader.alwaysCacheInMemory to a maximimum size or -1 (always keep in memory)
*
*/
@Override
public final void openPdfArray(final byte[] data) throws PdfException {
if(data==null) {
throw new RuntimeException("Attempting to open null byte stream");
}
preOpen();
if(fileAccess.isOpen)
//throw new RuntimeException("Previous file not closed");
{
closePdfFile(); //also checks decoding done
}
fileAccess.openPdfArray(data);
postOpen();
}
/**
* allow user to open file using Certificate and key
* @param filename
* @param certificate
* @param key
*/
@Override
public void openPdfFile(final String filename, final Certificate certificate, final PrivateKey key) throws PdfException{
/**
* set values and then call generic open
*/
fileAccess.setUserEncryption(certificate, key);
openPdfFile(filename);
}
/**
* routine to open PDF file and extract key info from pdf file so we can
* decode any pages which also sets password.
* Does not actually decode the pages themselves. Also
* reads the form data. You must explicitly close your stream!!
*/
@Override
public final void openPdfFileFromStream(final Object filename, final String password) throws PdfException {
preOpen();
fileAccess.openPdfFileFromStream(filename, password);
postOpen();
}
/**
* routine to open PDF file and extract key info from pdf file so we can
* decode any pages. Does not actually decode the pages themselves. Also
* reads the form data. You must explicitly close any open files with
* closePdfFile() to Java will not release all the memory
*/
@Override
public final void openPdfFile(final String filename) throws PdfException {
if(fileAccess.isOpen && fileAccess.linearParser.linearizedBackgroundReaderer==null) {
closePdfFile(); //also checks decoding done
}
preOpen();
fileAccess.openPdfFile(filename);
postOpen();
}
/**
* routine to open PDF file and extract key info from pdf file so we can
* decode any pages which also sets password.
* Does not actually decode the pages themselves. Also
* reads the form data. You must explicitly close any open files with
* closePdfFile() or Java will not release all the memory
*/
@Override
public final void openPdfFile(final String filename, final String password) throws PdfException {
if(fileAccess.isOpen) {
closePdfFile(); //also checks decoding done
}
preOpen();
fileAccess.openPdfFile(filename, password);
postOpen();
}
/**
* routine to open PDF file via URL and extract key info from pdf file so we
* can decode any pages - Does not actually decode the pages themselves -
* Also reads the form data - Based on an idea by Peter Jacobsen
*
* You must explicitly close any open files with closePdfFile() so Java will
* release all the memory
*
*
* If boolean supportLinearized is true, method will return with true value once Linearized part read
*/
@SuppressWarnings("UnusedReturnValue")
@Override
public final boolean openPdfFileFromURL(final String pdfUrl, final boolean supportLinearized) throws PdfException {
preOpen();
InputStream is=null;
String rawFileName = null;
try{
final URL url;
url = new URL(pdfUrl);
rawFileName = url.getPath().substring(url.getPath().lastIndexOf('/')+1);
is = url.openStream();
}catch(final IOException e){
//tell user and log
if(LogWriter.isOutput()) {
LogWriter.writeLog("Exception: " + e.getMessage());
}
//
}
final boolean flag= fileAccess.readFile(supportLinearized, is, rawFileName, null);
postOpen();
return flag;
}
/**
* routine to open PDF file via URL and extract key info from pdf file so we
* can decode any pages - Does not actually decode the pages themselves -
* Also reads the form data - Based on an idea by Peter Jacobsen
*
* You must explicitly close any open files with closePdfFile() so Java will
* release all the memory
*
*
* If boolean supportLinearized is true, method will return with true value once Linearized part read
*/
@Override
public final boolean openPdfFileFromURL(final String pdfUrl, final boolean supportLinearized, final String password) throws PdfException {
InputStream is=null;
String rawFileName = null;
try{
final URL url;
url = new URL(pdfUrl);
rawFileName = url.getPath().substring(url.getPath().lastIndexOf('/')+1);
is = url.openStream();
}catch(final IOException e){
//tell user and log
if(LogWriter.isOutput()) {
LogWriter.writeLog("Exception: " + e.getMessage());
}
//
}
preOpen();
final boolean flag= fileAccess.readFile(supportLinearized, is, rawFileName, password);
postOpen();
return flag;
}
/**
* routine to open PDF file via InputStream and extract key info from pdf file so we
* can decode any pages - Does not actually decode the pages themselves -
*
* You must explicitly close any open files with closePdfFile() to Java will
* not release all the memory
*
* IMPORTANT NOTE: If the stream does not contain enough bytes, test for Linearization may fail
* If boolean supportLinearized is true, method will return with true value once Linearized part read
* (we recommend use you false unless you know exactly what you are doing)
*/
@SuppressWarnings("UnusedReturnValue")
@Override
public final boolean openPdfFileFromInputStream(final InputStream is, final boolean supportLinearized) throws PdfException {
final String rawFileName = "inputstream"+System.currentTimeMillis()+ '-' + fileAccess.getObjectStore().getKey()+".pdf";
preOpen();
final boolean flag= fileAccess.readFile(supportLinearized, is, rawFileName, null);
postOpen();
return flag;
}
/**
* routine to open PDF file via InputStream and extract key info from pdf file so we
* can decode any pages - Does not actually decode the pages themselves -
*
* You must explicitly close any open files with closePdfFile() to Java will
* not release all the memory
*
* IMPORTANT NOTE: If the stream does not contain enough bytes, test for Linearization may fail
* If boolean supportLinearized is true, method will return with true value once Linearized part read
* (we recommend use you false unless you know exactly what you are doing)
*/
@Override
public final boolean openPdfFileFromInputStream(final InputStream is, final boolean supportLinearized, final String password) throws PdfException {
final String rawFileName = "inputstream"+System.currentTimeMillis()+ '-' + fileAccess.getObjectStore().getKey()+".pdf";
preOpen();
final boolean flag= fileAccess.readFile(supportLinearized, is, rawFileName, password);
postOpen();
return flag;
}
private void postOpen() {
//force back if only 1 page
if (fileAccess.getPageCount() < 2) {
options.setDisplayView(Display.SINGLE_PAGE);
} else {
options.setDisplayView(options.getPageMode());
}
formsActionHandler.init(this, externalHandlers.getJavaScript(), this.getFormRenderer());
PluginHandler customPluginHandle=(PluginHandler) externalHandlers.getExternalHandler(Options.PluginHandler);
if(customPluginHandle!=null){
customPluginHandle.setFileName(fileAccess.getFilename());
}
}
private void preOpen() {
// reset so if continuous view mode set it will be recalculated for page
pages.disableScreen();
pages.stopGeneratingPage();
fileAccess.setDecoding(true);
//need to make non-single so bounces back
//force back if only 1 page
//if (fileAccess.getPageCount() < 2)
//options.setDisplayView(Display.CONTINUOUS);
//else
// options.setDisplayView(options.getPageMode());
if (options.getCurrentOffsets() == null){
options.setCurrentOffsets(new PageOffsets(fileAccess.getPageCount(), getPdfPageData()));
}
// reset printing
// swingPrinter.lastPrintedPage = -1;
// swingPrinter.currentPrintDecoder = null;
fileAccess.setDecoding(false);
parser.resetOnOpen();
final Object userExpressionEngine=externalHandlers.getExternalHandler(Options.ExpressionEngine);
externalHandlers.openPdfFile(userExpressionEngine);
final AcroRenderer formRenderer=externalHandlers.getFormRenderer();
if (userActionHandler != null) {
formsActionHandler = userActionHandler;
} else {
formsActionHandler = new org.jpedal.objects.acroforms.actions.JavaFXDefaultActionHandler(null);
}
//pass in user handler if set
formRenderer.resetHandler(formsActionHandler, scalingdpi.getDpi(),externalHandlers.getJavaScript());
formRenderer.getCompData().setRootDisplayComponent(this);
}
/**
* Not part of API - used internally
*
* will return some dictionary values - if not a set value, will return null
* @return
*/
@Override
public Object getJPedalObject(final int id){
return parser.getJPedalObject(id);
}
/**
* Not part of API - used internally
*
* @param mode
*/
@Override
public void setPageMode(final int mode){
options.setPageMode(mode);
}
/**
* shows if text extraction is XML or pure text
*/
@Override
public boolean isXMLExtraction() {
return options.isXMLExtraction();
}
/**
* XML extraction is the default - pure text extraction is much faster
*/
@Override
public void useTextExtraction() {
options.setXMLExtraction(false);
}
/**
* XML extraction is the default - pure text extraction is much faster
*/
@Override
public void useXMLExtraction() {
options.setXMLExtraction(true);
}
/**
* remove all displayed objects for JPanel display (wipes current page)
*/
public void clearScreen() {
final DynamicVectorRenderer currentDisplay= fileAccess.getDynamicRenderer();
currentDisplay.flush();
pages.refreshDisplay();
}
/**
* allows user to cache large objects to disk to avoid memory issues,
* setting minimum size in bytes (of uncompressed stream) above which object
* will be stored on disk if possible (default is -1 bytes which is all
* objects stored in memory) - Must be set before file opened.
*
*/
@Override
public void setStreamCacheSize(final int size) {
fileAccess.setStreamCacheSize(size);
}
/**
* shows if embedded fonts present on page just decoded
*/
@Override
public boolean hasEmbeddedFonts() {
return resultsFromDecode.hasEmbeddedFonts();
}
/**
* given a ref, what is the page
* @param ref - PDF object reference
* @return - page number with being first page
*/
@Override
public int getPageFromObjectRef(final String ref) {
return getIO().convertObjectToPageNumber(ref);
}
/**
* Returns list of the fonts used on the current page decoded or null
* type can be PdfDictionary.Font or PdfDictionary.Image
*/
@Override
public String getInfo(final int type) {
return parser.getInfo(type);
}
/**
*
* Allow user to access Forms renderer object if needed
*/
@Override
public AcroRenderer getFormRenderer() {
return externalHandlers.getFormRenderer();
}
/**
* Allow user to access javascript object if needed
*/
@Override
public Javascript getJavaScript() {
return externalHandlers.getJavaScript();
}
/**
* shows if page reported any errors while printing. Log
* can be found with getPageFailureMessage()
*
* @return Returns the printingSuccessful.
*/
public static boolean isPageSuccessful() {
// return swingPrinter.isPageSuccessful();
return false;
}
/**
* return any errors or other messages while calling decodePage() - zero length is no problems
*/
@Override
public String getPageDecodeReport() {
return parser.getPageDecodeReport();
}
/**
* Return String with all error messages from last printed (useful for debugging)
*/
public static String getPageFailureMessage() {
// return swingPrinter.getPageFailureMessage();
return null;
}
/**
* If running in GUI mode, will extract a section of rendered page as
* BufferedImage -coordinates are PDF co-ordinates. If you wish to use hires
* image, you will need to enable hires image display with
* decode_pdf.useHiResScreenDisplay(true);
*
* @param t_x1
* @param t_y1
* @param t_x2
* @param t_y2
* @param scaling
* @return pageErrorMessages - Any printer errors
*/
@Override
public BufferedImage getSelectedRectangleOnscreen(float t_x1, float t_y1,
float t_x2, float t_y2, float scaling){
//
return null;
/**/
}
/**
* return object which provides access to file images and name
*/
@Override
public ObjectStore getObjectStore() {
return fileAccess.getObjectStore();
}
/**
* return object which provides access to file images and name (use not recommended)
*/
@Override
public void setObjectStore(final ObjectStore newStore) {
fileAccess.setObjectStore(newStore);
}
/**
* Return decoder options as object for cases where value is needed externally and can't be static
*
* @return DecoderOptions object containing settings for this PdfDecoder object
*/
@Override
public DecoderOptions getDecoderOptions(){
return options;
}
/**
* returns object containing grouped text of last decoded page
* - if no page decoded, a Runtime exception is thrown to warn user
* Please see org.jpedal.examples.text for example code.
*
*/
@Override
public PdfGroupingAlgorithms getGroupingObject() throws PdfException {
return parser.getGroupingObject();
}
/**
* returns object containing grouped text from background grouping - Please
* see org.jpedal.examples.text for example code
*/
@Override
public PdfGroupingAlgorithms getBackgroundGroupingObject() {
return parser.getBackgroundGroupingObject();
}
/**
* get PDF version in file
*/
@Override
public final String getPDFVersion() {
if(getIO()==null) {
return "";
} else {
return getIO().getObjectReader().getType();
}
}
/**
* used for non-PDF files to reset page
*/
@Override
public void resetForNonPDFPage(final int pageCount) {
/** set hires mode or not for display */
final DynamicVectorRenderer currentDisplay= fileAccess.getDynamicRenderer();
currentDisplay.setHiResImageForDisplayMode(false);
parser.resetFontsInFile();
fileAccess.setPageCount(pageCount);
final AcroRenderer formRenderer=externalHandlers.getFormRenderer();
if (formRenderer != null) {
formRenderer.removeDisplayComponentsFromScreen();
}
// reset page data
fileAccess.setPageData(new PdfPageData());
}
/**
* flag to show if we suspect problem with some images
*/
public boolean hasAllImages() {
return resultsFromDecode.getImagesProcessedFully();
}
/**
* returns booleans based on flags in class org.jpedal.parser.DecoderStatus
* @param status
* @return
*/
@Override
public boolean getPageDecodeStatus(final int status) {
//
return resultsFromDecode.getPageDecodeStatus(status);
}
@Override
public DisplayOffsets getDisplayOffsets() {
return displayOffsets;
}
/**
* get page statuses (flags in class org.jpedal.parser.DecoderStatus)
*/
@Override
public String getPageDecodeStatusReport(final int status) {
return resultsFromDecode.getPageDecodeStatusReport(status);
}
/**
* set print mode (Matches Abodes Auto Print and rotate output
*/
public void setPrintAutoRotateAndCenter(final boolean value) {
// swingPrinter.setCenterOnScaling(value);
// swingPrinter.setAutoRotate(value);
}
/**
* tell printout to print only visiable area in viewer if set
*/
public void setPrintCurrentView(final boolean value) {
// swingPrinter.printOnlyVisible = value;
}
/**
* not part of API used internally
*
* allows external helper classes to be added to JPedal to alter default functionality -
*
* @param newHandler
* @param type
*/
@Override
public void addExternalHandler(final Object newHandler, final int type) {
switch (type) {
case Options.FormsActionHandler:
userActionHandler= (ActionHandler) newHandler;
break;
case Options.CustomMouseHandler:
JavaFXMouseListener.setCustomMouseFunctions((JavaFXMouseFunctionality) newHandler);
break;
case Options.ThumbnailHandler:
pages.setThumbnailPanel((org.jpedal.display.GUIThumbnailPanel) newHandler);
break;
default:
externalHandlers.addExternalHandler(newHandler,type);
}
}
/**
* not part of API used internally
*
* allows external helper classes to be accessed if needed - also allows user to access SwingGUI if running
* full Viewer package - not all Options available to get - please contact IDRsolutions if you are looking to
* use
*
* @param type
*/
@Override
public Object getExternalHandler(final int type) {
switch (type) {
case Options.Display:
return pages;
case Options.CurrentOffset:
return fileAccess.getOffset();
case Options.DisplayOffsets:
return displayOffsets;
case Options.FileAccess:
return fileAccess;
default:
return externalHandlers.getExternalHandler(type);
}
}
/**
* allow access to PDF file
* @return
*/
@Override
public PdfObjectReader getIO() {
return parser.getIO();
}
//
/**
* currently open PDF file name
* @return
*/
@Override
public String getFileName() {
return fileAccess.getFilename();
}
/**
* return true if currently open PDF file is a PDF form
* @return
*/
@Override
public boolean isForm() {
return res.isForm();
}
/**
* part of pageable interface
*
* @see java.awt.print.Pageable#getPrintable(int)
*/
@Override
public Printable getPrintable(final int page) throws IndexOutOfBoundsException {
return this;
}
//
/**
*
* access textlines object
*/
@Override
public TextLines getTextLines() {
return parser.getTextLines();
}
/**
* set an inset display so that display will not touch edge of panel*/
@Override
public final void setInset(final int width, final int height) {
options.setInset(width, height);
//If we have a form renderer pass the new inset to it.
//This is needed as updating the insets after a page is open does not alter the form positions.
final AcroRenderer formRenderer = externalHandlers.getFormRenderer();
if(formRenderer!=null){
formRenderer.setInsets(width, height);
}
}
/**
* make screen scroll to ensure point is visible
*/
public static void ensurePointIsVisible(final Point p){
//
//@swing
// super.scrollRectToVisible(new Rectangle(p.x,y_size-p.y,scrollInterval,scrollInterval));
}
//
/**
*
* not part of API used internally
*
* allow user to 'move' display of PDF
*
* mode is a Constant in org.jpedal.external.OffsetOptions (ie OffsetOptions.SWING_DISPLAY,OffsetOptions.PRINTING)
*/
@Override
public void setUserOffsets(final int x, final int y, final int mode){
displayOffsets.setUserOffsets(x, y, (int)getHeight(),mode);
}
/**
* not part of API used internally
* @param mode
* @return
*/
public Point getUserOffsets(final int mode){
return displayOffsets.getUserOffsets(mode);
}
/**
* get sizes of panel
* This is the PDF pagesize (as set in the PDF from pagesize) -
* It now includes any scaling factor you have set (ie a PDF size 800 * 600
* with a scaling factor of 2 will return 1600 *1200)
*/
public final int[] getMaximumSize() {
int[] pageSize=null;
final int displayView=options.getDisplayView();
if(displayView!=Display.SINGLE_PAGE) {
pageSize = pages.getPageSize(displayView);
}
final int insetW=options.getInsetW();
final int insetH=options.getInsetH();
if(pageSize==null){
if(displayRotation==90 || displayRotation==270) {
pageSize = new int[]{y_size + insetW + insetW, x_size + insetH + insetH};
} else {
pageSize = new int[]{x_size + insetW + insetW, y_size + insetH + insetH};
}
}
if(pageSize==null) {
pageSize = getMinimumSize();
}
return pageSize;
}
/**/
/* get width of panel*/
private int[] getMinimumSize() {
return new int[]{100+options.getInsetW(),100+options.getInsetH()};
}
/**
* Deprecated on 04/07/2014, please use
* updateCursorBoxOnScreen(final int[] rectParams, final int outlineColor) instead
* @deprecated
*/
@Override
public final void updateCursorBoxOnScreen(final Rectangle newOutlineRectangle, final Color outlineColor) {
if(options.getDisplayView()!=Display.SINGLE_PAGE) {
return;
}
//
}
/**
* update rectangle we draw to highlight an area -
* See Viewer example for example code showing current usage.
* This method takes an int array containing the x,y,w,h params of
* the rectangle we wish to update.
* It also takes an int outLineColor which is the rgb value of a Color object.
*/
@Override
public final void updateCursorBoxOnScreen(final int[] rectParams, final int outlineColor) {
if(options.getDisplayView()!=Display.SINGLE_PAGE) {
return;
}
pages.updateCursorBoxOnScreen(rectParams, outlineColor, getPageNumber(),x_size,y_size);
}
/**
* get sizes of panel
* This is the PDF pagesize (as set in the PDF from pagesize) -
* It now includes any scaling factor you have set
*/
@Override
public final int getPDFWidth() {
final int insetW=options.getInsetW();
if(displayRotation==90 || displayRotation==270) {
return y_size + insetW + insetW;
} else {
return x_size + insetW + insetW;
}
}
/**
* get sizes of panel -
* This is the PDF pagesize
*/
@Override
public final int getPDFHeight() {
final int insetH=options.getInsetH();
if((displayRotation==90 || displayRotation==270)) {
return x_size + insetH + insetH;
} else {
return y_size + insetH + insetH;
}
}
/**set border for screen and print which will be displayed
* Setting a new value will enable screen and border painting - disable
* with disableBorderForPrinting() */
@Override
public final void setPDFBorder(final Border newBorder){
this.myBorder=newBorder;
}
//
/**return amount to scroll window by when scrolling (default is 10)*/
@Override
public int getScrollInterval() {
return scrollInterval;
}
/**set amount to scroll window by when scrolling*/
@Override
public void setScrollInterval(final int scrollInterval) {
this.scrollInterval = scrollInterval;
}
/**
* returns view mode used - ie SINGLE_PAGE,CONTINUOUS,FACING,CONTINUOUS_FACING (no effect in OS versions)
*/
@Override
public int getDisplayView() {
return options.getDisplayView();
}
//
/**
* returns current scaling value used internally
* @return
*/
@Override
public float getScaling() {
return scaling;
}
@Override
public int getInsetH() {
return options.getInsetH();
}
@Override
public int getInsetW() {
return options.getInsetW();
}
/**
* part of pageable interface - used only in printing
* Use getPageCount() for number of pages
*
* @see java.awt.print.Pageable#getNumberOfPages()
*/
@Override
public int getNumberOfPages() {
// return swingPrinter.getNumberOfPages(fileAccess.getPageCount());
return -1;
}
/**
* part of pageable interface
*
* @see java.awt.print.Pageable#getPageFormat(int)
*/
@Override
public PageFormat getPageFormat(final int p) throws IndexOutOfBoundsException {
// PageFormat pf = null;//swingPrinter.getPageFormat(p, fileAccess.getPdfPageData(), fileAccess.getPageCount());
//If we have a null value, use PageFormat default.
//if(pf==null)
// pf = new PageFormat();
// return pf;
return null;
}
//
@Override
public void setScaling(final float x) {
scaling = x;
}
@Override
public int[] getMaxSizeWH() {
return getMaximumSize();
}
@Override
public int[] getPaneBounds(){
final int[] boundsArr = new int[2];
boundsArr[0] = (int)getBoundsInLocal().getWidth();
boundsArr[1] = (int)getBoundsInLocal().getHeight();
return boundsArr;
}
/**
* Variables for text highlights.
*/
public final Pane highlightsPane = new Pane();
private static int color = DecoderOptions.highlightColor.getRGB();
private static float opacity = DecoderOptions.highlightComposite;
private static javafx.scene.paint.Color highlights;
@Override
public void repaintPane(final int page) {
curThumbPage = page;
final Map areas = parser.getTextLines().getAllHighlights();
if (areas != null) {
final int[][] rawRects = ((int[][]) areas.get(page));
if (rawRects != null) {
highlights = JavaFXPreferences.shiftColorSpaceToFX(color);
final javafx.scene.shape.Rectangle[] rects = new javafx.scene.shape.Rectangle[rawRects.length];
for (int i = 0; i < rects.length; i++) {
rects[i] = new javafx.scene.shape.Rectangle(rawRects[i][0], rawRects[i][1], rawRects[i][2], rawRects[i][3]);
rects[i].setFill(highlights);
rects[i].setOpacity(opacity);
}
highlightsPane.getChildren().clear();
highlightsPane.getChildren().addAll(rects);
}
} else {
highlightsPane.getChildren().clear();
}
drawHighlightsForImage();
drawPreviewImage(null, new Rectangle((int)getBoundsInLocal().getMinX(), (int)getBoundsInLocal().getMinY(), (int)getBoundsInLocal().getWidth(), (int)getBoundsInLocal().getHeight()));
}
private void drawHighlightsForImage(){
final int[] highlight = pages.getHighlightedImage();
if(highlight == null ){
if(imageHighlighter != null){
highlightsPane.getChildren().remove(imageHighlighter);
imageHighlighter = null;
}
}else{
if(highlight.length > 0){
if (highlight[0] < 0) {
highlight[0] = 0;
}
if (highlight[1] < 0) {
highlight[1] = 0;
}
if (highlight[0] + highlight[2] > max_x) {
highlight[2] = max_x - highlight[0];
}
if (highlight[1] + highlight[3] > max_y) {
highlight[3] = max_y - highlight[1];
}
imageHighlighter = new javafx.scene.shape.Rectangle(highlight[0], highlight[1], highlight[2], highlight[3]);
imageHighlighter.setStroke(javafx.scene.paint.Color.BLACK);
imageHighlighter.setFill(javafx.scene.paint.Color.rgb(0, 0, 0, 0.25));
highlightsPane.getChildren().add(imageHighlighter);
}
}
}
@Override
public void setBorderPresent(final boolean borderPresent){
isBorderPresent = borderPresent;
}
@Override
public boolean isBorderPresent(){
return isBorderPresent;
}
/**
* internal method used by Viewer to provide preview of PDF in Viewer
*/
@Override
public void setPreviewThumbnail(final BufferedImage previewImage, final String previewText) {
if (previewThumbnail == null) {
previewThumbnail = new Canvas(previewImage.getWidth() + 20, previewImage.getHeight() + 40);
}
//Prevent thumbnail scaling
// previewThumbnail.setScaleX(1.0f / scaling);
// previewThumbnail.setScaleY(-(1.0f / scaling));
// previewThumbnail.setScaleZ(1.0f / scaling);
Group group = (Group)getParent();
//Make sure preview is actually displayed
if (!group.getChildren().contains(previewThumbnail)) {
group.getChildren().add(previewThumbnail);
}
this.previewImage = SwingFXUtils.toFXImage(previewImage, null);
this.previewText = previewText;
}
@Override
public int getTextPrint() {
return textPrint;
}
@Override
public Rectangle getVisibleRect() {
return null;
}
}