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gnujpdf reformat

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Jindra Petřík
2021-02-20 10:01:49 +01:00
parent 7eb151055b
commit df913281dc
24 changed files with 3587 additions and 3574 deletions
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193
libsrc/gnujpdf/src/gnu/jpdf/PDFOutline.java
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@@ -29,70 +29,67 @@ import java.util.*;
* @author Eric Z. Beard, ericzbeard@hotmail.com
* @version $Revision: 1.3 $, $Date: 2007/09/22 12:58:40 $
*/
public class PDFOutline extends PDFObject implements Serializable
{
public class PDFOutline extends PDFObject implements Serializable {
/*
/*
* NOTE: The original class is the work of Peter T. Mount, who released it
* in the uk.org.retep.pdf package. It was modified by Eric Z. Beard as
* follows:
* The package name was changed to gnu.pdf.
* The formatting was changed a little bit.
* It is still licensed under the LGPL.
*/
*/
/**
* This holds any outlines below us
*/
private Vector<PDFOutline> outlines;
/**
* For subentries, this points to it's parent outline
*/
protected PDFOutline parent;
/**
* This is this outlines Title
*/
private String title;
/**
* The destination page
*/
PDFPage dest;
/**
* The region on the destination page
*/
int l,b,r,t;
int l, b, r, t;
/**
* How the destination is handled
*/
boolean destMode;
/**
* When jumping to the destination, display the whole page
*/
static final boolean FITPAGE = false;
/**
* When jumping to the destination, display the specified region
*/
static final boolean FITRECT = true;
/**
* Constructs a PDF Outline object. This method is used internally only.
*/
protected PDFOutline()
{
protected PDFOutline() {
super("/Outlines");
outlines = new Vector<PDFOutline>();
title = null;
dest = null;
destMode = FITPAGE;
}
/**
* Constructs a PDF Outline object. When selected, the whole page is
* displayed.
@@ -100,16 +97,15 @@ public class PDFOutline extends PDFObject implements Serializable
* @param title Title of the outline
* @param dest The destination page
*/
public PDFOutline(String title,PDFPage dest)
{
public PDFOutline(String title, PDFPage dest) {
this();
this.title = title;
this.dest = dest;
}
/**
* Constructs a PDF Outline object. When selected, the specified region
* is displayed.
* Constructs a PDF Outline object. When selected, the specified region is
* displayed.
*
* @param title Title of the outline
* @param dest The destination page
@@ -118,47 +114,46 @@ public class PDFOutline extends PDFObject implements Serializable
* @param r right coordinate
* @param t top coordinate
*/
public PDFOutline(String title,PDFPage dest,int l,int b,int r,int t)
{
this(title,dest);
public PDFOutline(String title, PDFPage dest, int l, int b, int r, int t) {
this(title, dest);
this.destMode = FITRECT;
this.l = l;
this.b = b;
this.r = r;
this.t = t;
}
/**
* This method creates an outline, and attaches it to this one.
* When the outline is selected, the entire page is displayed.
* This method creates an outline, and attaches it to this one. When the
* outline is selected, the entire page is displayed.
*
* <p>This allows you to have an outline for say a Chapter,
* then under the chapter, one for each section. You are not really
* limited on how deep you go, but it's best not to go below say 6 levels,
* for the reader's sake.
* <p>
* This allows you to have an outline for say a Chapter, then under the
* chapter, one for each section. You are not really limited on how deep you
* go, but it's best not to go below say 6 levels, for the reader's sake.
*
* @param title Title of the outline
* @param dest The destination page
* @return PDFOutline object created, for creating sub-outlines
* @return PDFOutline object created, for creating sub-outlines
*/
public PDFOutline add(String title,PDFPage dest) {
PDFOutline outline = new PDFOutline(title,dest);
public PDFOutline add(String title, PDFPage dest) {
PDFOutline outline = new PDFOutline(title, dest);
pdfDocument.add(outline); // add to the pdf first!
add(outline);
return outline;
}
/**
* This method creates an outline, and attaches it to this one.
* When the outline is selected, the supplied region is displayed.
* This method creates an outline, and attaches it to this one. When the
* outline is selected, the supplied region is displayed.
*
* <p>Note: the coordiates are in Java space. They are converted to User
* space.
* <p>
* Note: the coordiates are in Java space. They are converted to User space.
*
* <p>This allows you to have an outline for say a Chapter,
* then under the chapter, one for each section. You are not really
* limited on how deep you go, but it's best not to go below say 6 levels,
* for the reader's sake.
* <p>
* This allows you to have an outline for say a Chapter, then under the
* chapter, one for each section. You are not really limited on how deep you
* go, but it's best not to go below say 6 levels, for the reader's sake.
*
* @param title Title of the outline
* @param dest The destination page
@@ -168,53 +163,51 @@ public class PDFOutline extends PDFObject implements Serializable
* @param h height of region in Java space
* @return PDFOutline object created, for creating sub-outlines
*/
public PDFOutline add(String title,PDFPage dest,
int x,int y,int w,int h) {
int xy1[] = dest.cxy(x,y+h);
int xy2[] = dest.cxy(x+w,y);
PDFOutline outline = new PDFOutline(title,dest,
xy1[0],xy1[1],
xy2[0],xy2[1]);
public PDFOutline add(String title, PDFPage dest,
int x, int y, int w, int h) {
int xy1[] = dest.cxy(x, y + h);
int xy2[] = dest.cxy(x + w, y);
PDFOutline outline = new PDFOutline(title, dest,
xy1[0], xy1[1],
xy2[0], xy2[1]);
pdfDocument.add(outline); // add to the pdf first!
add(outline);
return outline;
}
/**
* This adds an already existing outline to this one.
*
* <p>Note: the outline must have been added to the PDF document before
* calling this method. Normally the other add methods are used.
* <p>
* Note: the outline must have been added to the PDF document before calling
* this method. Normally the other add methods are used.
*
* @param outline PDFOutline to add
*/
public void add(PDFOutline outline)
{
public void add(PDFOutline outline) {
outlines.addElement(outline);
// Tell the outline of ourselves
outline.parent = this;
}
/**
* @param os OutputStream to send the object to
* @exception IOException on error
*/
public void write(OutputStream os) throws IOException
{
public void write(OutputStream os) throws IOException {
// Write the object header
writeStart(os);
// now the objects body
// These are for kids only
if(parent!=null) {
if (parent != null) {
os.write("/Title ".getBytes());
os.write(PDFStringHelper.makePDFString(title).getBytes());
os.write("\n/Dest [".getBytes());
os.write(dest.toString().getBytes());
if(destMode==FITPAGE) {
if (destMode == FITPAGE) {
//os.write(" null null null]\n/Parent ".getBytes());
os.write(" /Fit]\n/Parent ".getBytes());
} else {
@@ -231,9 +224,9 @@ public class PDFOutline extends PDFObject implements Serializable
os.write(parent.toString().getBytes());
os.write("\n".getBytes());
}
// the number of outlines in this document
if(parent==null) {
if (parent == null) {
// were the top level node, so all are open by default
if (outlines.size() > 0) {
os.write("/Count ".getBytes());
@@ -244,99 +237,97 @@ public class PDFOutline extends PDFObject implements Serializable
// were a decendent, so by default we are closed. Find out how many
// entries are below us
int c = descendants();
if(c>0) {
if (c > 0) {
os.write("/Count ".getBytes());
os.write(Integer.toString(-c).getBytes());
os.write("\n".getBytes());
}
}
// These only valid if we have children
if(outlines.size()>0) {
if (outlines.size() > 0) {
// the number of the first outline in list
os.write("/First ".getBytes());
os.write(outlines.elementAt(0).toString().getBytes());
os.write("\n".getBytes());
// the number of the last outline in list
os.write("/Last ".getBytes());
os.write(outlines.elementAt(outlines.size()-1).toString().getBytes());
os.write(outlines.elementAt(outlines.size() - 1).toString().getBytes());
os.write("\n".getBytes());
}
if(parent!=null) {
if (parent != null) {
int index = parent.getIndex(this);
if(index>0) {
if (index > 0) {
// Now if were not the first, then we have a /Prev node
os.write("/Prev ".getBytes());
os.write(parent.getNode(index-1).toString().getBytes());
os.write(parent.getNode(index - 1).toString().getBytes());
os.write("\n".getBytes());
}
if(index<parent.getLast()) {
if (index < parent.getLast()) {
// We have a /Next node
os.write("/Next ".getBytes());
os.write(parent.getNode(index+1).toString().getBytes());
os.write(parent.getNode(index + 1).toString().getBytes());
os.write("\n".getBytes());
}
}
// finish off with its footer
writeEnd(os);
}
/**
* This is called by children to find their position in this outlines
* tree.
* This is called by children to find their position in this outlines tree.
*
* @param outline PDFOutline to search for
* @return index within Vector
*/
protected int getIndex(PDFOutline outline)
{
protected int getIndex(PDFOutline outline) {
return outlines.indexOf(outline);
}
/**
* Returns the last index in this outline
*
* @return last index in outline
*/
protected int getLast()
{
return outlines.size()-1;
protected int getLast() {
return outlines.size() - 1;
}
/**
* Returns the outline at a specified position.
*
* @param i index
* @return the node at index i
*/
protected PDFOutline getNode(int i)
{
return (PDFOutline)(outlines.elementAt(i));
protected PDFOutline getNode(int i) {
return (PDFOutline) (outlines.elementAt(i));
}
/**
* Returns all outlines directly below this one.
*
* @return Enumeration of child elements
*/
public Enumeration<PDFOutline> elements()
{
public Enumeration<PDFOutline> elements() {
return outlines.elements();
}
/**
* Returns the total number of descendants below this one.
*
* @return the number of descendants below this one
*/
protected int descendants()
{
protected int descendants() {
int c = outlines.size(); // initially the number of kids
// now call each one for their descendants
for(PDFOutline o : outlines) {
for (PDFOutline o : outlines) {
c += o.descendants();
}
return c;
}
} // end class PDFOutline