diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/ColumnText.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/ColumnText.java | 1520 |
1 files changed, 0 insertions, 1520 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/ColumnText.java b/src/main/java/com/lowagie/text/pdf/ColumnText.java deleted file mode 100644 index 3197290..0000000 --- a/src/main/java/com/lowagie/text/pdf/ColumnText.java +++ /dev/null @@ -1,1520 +0,0 @@ -/*
- * $Id: ColumnText.java,v 1.68 2006/01/29 20:28:23 psoares33 Exp $
- * $Name: $
- *
- * Copyright 2001, 2002 by Paulo Soares.
- *
- * The contents of this file are subject to the Mozilla Public License Version 1.1
- * (the "License"); you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the License.
- *
- * The Original Code is 'iText, a free JAVA-PDF library'.
- *
- * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
- * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
- * All Rights Reserved.
- * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
- * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
- *
- * Contributor(s): all the names of the contributors are added in the source code
- * where applicable.
- *
- * Alternatively, the contents of this file may be used under the terms of the
- * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
- * provisions of LGPL are applicable instead of those above. If you wish to
- * allow use of your version of this file only under the terms of the LGPL
- * License and not to allow others to use your version of this file under
- * the MPL, indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by the LGPL.
- * If you do not delete the provisions above, a recipient may use your version
- * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the MPL as stated above or under the terms of the GNU
- * Library General Public License as published by the Free Software Foundation;
- * either version 2 of the License, or 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 Library general Public License for more
- * details.
- *
- * If you didn't download this code from the following link, you should check if
- * you aren't using an obsolete version:
- * http://www.lowagie.com/iText/
- */
-
-package com.lowagie.text.pdf;
-import java.util.ArrayList;
-import java.util.LinkedList;
-import java.util.Stack;
-import java.util.Iterator;
-import com.lowagie.text.Phrase;
-import com.lowagie.text.Chunk;
-import com.lowagie.text.Paragraph;
-import com.lowagie.text.Graphic;
-import com.lowagie.text.ListItem;
-import com.lowagie.text.Element;
-import com.lowagie.text.DocumentException;
-import com.lowagie.text.ExceptionConverter;
-import com.lowagie.text.Image;
-import com.lowagie.text.SimpleTable;
-
-/**
- * Formats text in a columnwise form. The text is bound
- * on the left and on the right by a sequence of lines. This allows the column
- * to have any shape, not only rectangular.
- * <P>
- * Several parameters can be set like the first paragraph line indent and
- * extra space between paragraphs.
- * <P>
- * A call to the method <CODE>go</CODE> will return one of the following
- * situations: the column ended or the text ended.
- * <P>
- * I the column ended, a new column definition can be loaded with the method
- * <CODE>setColumns</CODE> and the method <CODE>go</CODE> can be called again.
- * <P>
- * If the text ended, more text can be loaded with <CODE>addText</CODE>
- * and the method <CODE>go</CODE> can be called again.<BR>
- * The only limitation is that one or more complete paragraphs must be loaded
- * each time.
- * <P>
- * Full bidirectional reordering is supported. If the run direction is
- * <CODE>PdfWriter.RUN_DIRECTION_RTL</CODE> the meaning of the horizontal
- * alignments and margins is mirrored.
- * @author Paulo Soares (psoares@consiste.pt)
- */
-
-public class ColumnText {
- /** Eliminate the arabic vowels */
- public static final int AR_NOVOWEL = ArabicLigaturizer.ar_novowel;
- /** Compose the tashkeel in the ligatures. */
- public static final int AR_COMPOSEDTASHKEEL = ArabicLigaturizer.ar_composedtashkeel;
- /** Do some extra double ligatures. */
- public static final int AR_LIG = ArabicLigaturizer.ar_lig;
- /**
- * Digit shaping option: Replace European digits (U+0030...U+0039) by Arabic-Indic digits.
- */
- public static final int DIGITS_EN2AN = ArabicLigaturizer.DIGITS_EN2AN;
-
- /**
- * Digit shaping option: Replace Arabic-Indic digits by European digits (U+0030...U+0039).
- */
- public static final int DIGITS_AN2EN = ArabicLigaturizer.DIGITS_AN2EN;
-
- /**
- * Digit shaping option:
- * Replace European digits (U+0030...U+0039) by Arabic-Indic digits
- * if the most recent strongly directional character
- * is an Arabic letter (its Bidi direction value is RIGHT_TO_LEFT_ARABIC).
- * The initial state at the start of the text is assumed to be not an Arabic,
- * letter, so European digits at the start of the text will not change.
- * Compare to DIGITS_ALEN2AN_INIT_AL.
- */
- public static final int DIGITS_EN2AN_INIT_LR = ArabicLigaturizer.DIGITS_EN2AN_INIT_LR;
-
- /**
- * Digit shaping option:
- * Replace European digits (U+0030...U+0039) by Arabic-Indic digits
- * if the most recent strongly directional character
- * is an Arabic letter (its Bidi direction value is RIGHT_TO_LEFT_ARABIC).
- * The initial state at the start of the text is assumed to be an Arabic,
- * letter, so European digits at the start of the text will change.
- * Compare to DIGITS_ALEN2AN_INT_LR.
- */
- public static final int DIGITS_EN2AN_INIT_AL = ArabicLigaturizer.DIGITS_EN2AN_INIT_AL;
-
- /**
- * Digit type option: Use Arabic-Indic digits (U+0660...U+0669).
- */
- public static final int DIGIT_TYPE_AN = ArabicLigaturizer.DIGIT_TYPE_AN;
-
- /**
- * Digit type option: Use Eastern (Extended) Arabic-Indic digits (U+06f0...U+06f9).
- */
- public static final int DIGIT_TYPE_AN_EXTENDED = ArabicLigaturizer.DIGIT_TYPE_AN_EXTENDED;
-
- protected int runDirection = PdfWriter.RUN_DIRECTION_DEFAULT;
-
- /** the space char ratio */
- public static final float GLOBAL_SPACE_CHAR_RATIO = 0;
-
- /** Initial value of the status. */
- public static final int START_COLUMN = 0;
-
- /** Signals that there is no more text available. */
- public static final int NO_MORE_TEXT = 1;
-
- /** Signals that there is no more column. */
- public static final int NO_MORE_COLUMN = 2;
-
- /** The column is valid. */
- protected static final int LINE_STATUS_OK = 0;
-
- /** The line is out the column limits. */
- protected static final int LINE_STATUS_OFFLIMITS = 1;
-
- /** The line cannot fit this column position. */
- protected static final int LINE_STATUS_NOLINE = 2;
-
- /** Upper bound of the column. */
- protected float maxY;
-
- /** Lower bound of the column. */
- protected float minY;
-
- protected float leftX;
-
- protected float rightX;
-
- /** The column alignment. Default is left alignment. */
- protected int alignment = Element.ALIGN_LEFT;
-
- /** The left column bound. */
- protected ArrayList leftWall;
-
- /** The right column bound. */
- protected ArrayList rightWall;
-
- /** The chunks that form the text. */
-// protected ArrayList chunks = new ArrayList();
- protected BidiLine bidiLine;
-
- /** The current y line location. Text will be written at this line minus the leading. */
- protected float yLine;
-
- /** The leading for the current line. */
- protected float currentLeading = 16;
-
- /** The fixed text leading. */
- protected float fixedLeading = 16;
-
- /** The text leading that is multiplied by the biggest font size in the line. */
- protected float multipliedLeading = 0;
-
- /** The <CODE>PdfContent</CODE> where the text will be written to. */
- protected PdfContentByte canvas;
-
- protected PdfContentByte[] canvases;
-
- /** The line status when trying to fit a line to a column. */
- protected int lineStatus;
-
- /** The first paragraph line indent. */
- protected float indent = 0;
-
- /** The following paragraph lines indent. */
- protected float followingIndent = 0;
-
- /** The right paragraph lines indent. */
- protected float rightIndent = 0;
-
- /** The extra space between paragraphs. */
- protected float extraParagraphSpace = 0;
-
- /** The width of the line when the column is defined as a simple rectangle. */
- protected float rectangularWidth = -1;
-
- protected boolean rectangularMode = false;
- /** Holds value of property spaceCharRatio. */
- private float spaceCharRatio = GLOBAL_SPACE_CHAR_RATIO;
-
- private boolean lastWasNewline = true;
-
- /** Holds value of property linesWritten. */
- private int linesWritten;
-
- private float firstLineY;
- private boolean firstLineYDone = false;
-
- /** Holds value of property arabicOptions. */
- private int arabicOptions = 0;
-
- protected float descender;
-
- protected boolean composite = false;
-
- protected ColumnText compositeColumn;
-
- protected LinkedList compositeElements;
-
- protected int listIdx = 0;
-
- private boolean splittedRow;
-
- protected Phrase waitPhrase;
-
- /** if true, first line height is adjusted so that the max ascender touches the top */
- private boolean useAscender = false;
-
- /**
- * Creates a <CODE>ColumnText</CODE>.
- * @param canvas the place where the text will be written to. Can
- * be a template.
- */
- public ColumnText(PdfContentByte canvas) {
- this.canvas = canvas;
- }
-
- /** Creates an independent duplicated of the instance <CODE>org</CODE>.
- * @param org the original <CODE>ColumnText</CODE>
- * @return the duplicated
- */
- public static ColumnText duplicate(ColumnText org) {
- ColumnText ct = new ColumnText(null);
- ct.setACopy(org);
- return ct;
- }
-
- /** Makes this instance an independent copy of <CODE>org</CODE>.
- * @param org the original <CODE>ColumnText</CODE>
- * @return itself
- */
- public ColumnText setACopy(ColumnText org) {
- setSimpleVars(org);
- if (org.bidiLine != null)
- bidiLine = new BidiLine(org.bidiLine);
- return this;
- }
-
- protected void setSimpleVars(ColumnText org) {
- maxY = org.maxY;
- minY = org.minY;
- alignment = org.alignment;
- leftWall = null;
- if (org.leftWall != null)
- leftWall = new ArrayList(org.leftWall);
- rightWall = null;
- if (org.rightWall != null)
- rightWall = new ArrayList(org.rightWall);
- yLine = org.yLine;
- currentLeading = org.currentLeading;
- fixedLeading = org.fixedLeading;
- multipliedLeading = org.multipliedLeading;
- canvas = org.canvas;
- canvases = org.canvases;
- lineStatus = org.lineStatus;
- indent = org.indent;
- followingIndent = org.followingIndent;
- rightIndent = org.rightIndent;
- extraParagraphSpace = org.extraParagraphSpace;
- rectangularWidth = org.rectangularWidth;
- rectangularMode = org.rectangularMode;
- spaceCharRatio = org.spaceCharRatio;
- lastWasNewline = org.lastWasNewline;
- linesWritten = org.linesWritten;
- arabicOptions = org.arabicOptions;
- runDirection = org.runDirection;
- descender = org.descender;
- composite = org.composite;
- splittedRow = org.splittedRow;
- if (org.composite) {
- compositeElements = new LinkedList(org.compositeElements);
- if (splittedRow) {
- PdfPTable table = (PdfPTable)compositeElements.getFirst();
- compositeElements.set(0, new PdfPTable(table));
- }
- if (org.compositeColumn != null)
- compositeColumn = duplicate(org.compositeColumn);
- }
- listIdx = org.listIdx;
- firstLineY = org.firstLineY;
- leftX = org.leftX;
- rightX = org.rightX;
- firstLineYDone = org.firstLineYDone;
- waitPhrase = org.waitPhrase;
- useAscender = org.useAscender;
- filledWidth = org.filledWidth;
- }
-
- private void addWaitingPhrase() {
- if (bidiLine == null && waitPhrase != null) {
- bidiLine = new BidiLine();
- for (Iterator j = waitPhrase.getChunks().iterator(); j.hasNext();) {
- bidiLine.addChunk(new PdfChunk((Chunk)j.next(), null));
- }
- waitPhrase = null;
- }
- }
-
- /**
- * Adds a <CODE>Phrase</CODE> to the current text array.
- * Will not have any effect if addElement() was called before.
- * @param phrase the text
- */
- public void addText(Phrase phrase) {
- if (phrase == null || composite)
- return;
- addWaitingPhrase();
- if (bidiLine == null) {
- waitPhrase = phrase;
- return;
- }
- for (Iterator j = phrase.getChunks().iterator(); j.hasNext();) {
- bidiLine.addChunk(new PdfChunk((Chunk)j.next(), null));
- }
- }
-
- /**
- * Replaces the current text array with this <CODE>Phrase</CODE>.
- * Anything added previously with addElement() is lost.
- * @param phrase the text
- */
- public void setText(Phrase phrase) {
- bidiLine = null;
- composite = false;
- compositeColumn = null;
- compositeElements = null;
- listIdx = 0;
- splittedRow = false;
- waitPhrase = phrase;
- }
-
- /**
- * Adds a <CODE>Chunk</CODE> to the current text array.
- * Will not have any effect if addElement() was called before.
- * @param chunk the text
- */
- public void addText(Chunk chunk) {
- if (chunk == null || composite)
- return;
- addText(new Phrase(chunk));
- }
-
- /**
- * Adds an element. Elements supported are <CODE>Paragraph</CODE>,
- * <CODE>List</CODE>, <CODE>PdfPTable</CODE>, <CODE>Image</CODE> and
- * <CODE>Graphic</CODE>.
- * <p>
- * It removes all the text placed with <CODE>addText()</CODE>.
- * @param element the <CODE>Element</CODE>
- */
- public void addElement(Element element) {
- if (element == null)
- return;
- if (element instanceof Image) {
- Image img = (Image)element;
- PdfPTable t = new PdfPTable(1);
- float w = img.getWidthPercentage();
- if (w == 0) {
- t.setTotalWidth(img.scaledWidth());
- t.setLockedWidth(true);
- }
- else
- t.setWidthPercentage(w);
- t.setSpacingAfter(img.spacingAfter());
- t.setSpacingBefore(img.spacingBefore());
- switch (img.alignment()) {
- case Image.LEFT:
- t.setHorizontalAlignment(Element.ALIGN_LEFT);
- break;
- case Image.RIGHT:
- t.setHorizontalAlignment(Element.ALIGN_RIGHT);
- break;
- default:
- t.setHorizontalAlignment(Element.ALIGN_CENTER);
- break;
- }
- PdfPCell c = new PdfPCell(img, true);
- c.setPadding(0);
- c.setBorder(img.border());
- c.setBorderColor(img.borderColor());
- c.setBorderWidth(img.borderWidth());
- c.setBackgroundColor(img.backgroundColor());
- t.addCell(c);
- element = t;
- }
- if (element.type() == Element.CHUNK) {
- element = new Paragraph((Chunk)element);
- }
- else if (element.type() == Element.PHRASE) {
- element = new Paragraph((Phrase)element);
- }
- if (element instanceof SimpleTable) {
- try {
- element = ((SimpleTable)element).createPdfPTable();
- } catch (DocumentException e) {
- throw new IllegalArgumentException("Element not allowed.");
- }
- }
- else if (element.type() != Element.PARAGRAPH && element.type() != Element.LIST && element.type() != Element.PTABLE && element.type() != Element.GRAPHIC)
- throw new IllegalArgumentException("Element not allowed.");
- if (!composite) {
- composite = true;
- compositeElements = new LinkedList();
- bidiLine = null;
- waitPhrase = null;
- }
- compositeElements.add(element);
- }
-
- /**
- * Converts a sequence of lines representing one of the column bounds into
- * an internal format.
- * <p>
- * Each array element will contain a <CODE>float[4]</CODE> representing
- * the line x = ax + b.
- * @param cLine the column array
- * @return the converted array
- */
- protected ArrayList convertColumn(float cLine[]) {
- if (cLine.length < 4)
- throw new RuntimeException("No valid column line found.");
- ArrayList cc = new ArrayList();
- for (int k = 0; k < cLine.length - 2; k += 2) {
- float x1 = cLine[k];
- float y1 = cLine[k + 1];
- float x2 = cLine[k + 2];
- float y2 = cLine[k + 3];
- if (y1 == y2)
- continue;
- // x = ay + b
- float a = (x1 - x2) / (y1 - y2);
- float b = x1 - a * y1;
- float r[] = new float[4];
- r[0] = Math.min(y1, y2);
- r[1] = Math.max(y1, y2);
- r[2] = a;
- r[3] = b;
- cc.add(r);
- maxY = Math.max(maxY, r[1]);
- minY = Math.min(minY, r[0]);
- }
- if (cc.size() == 0)
- throw new RuntimeException("No valid column line found.");
- return cc;
- }
-
- /**
- * Finds the intersection between the <CODE>yLine</CODE> and the column. It will
- * set the <CODE>lineStatus</CODE> apropriatly.
- * @param wall the column to intersect
- * @return the x coordinate of the intersection
- */
- protected float findLimitsPoint(ArrayList wall) {
- lineStatus = LINE_STATUS_OK;
- if (yLine < minY || yLine > maxY) {
- lineStatus = LINE_STATUS_OFFLIMITS;
- return 0;
- }
- for (int k = 0; k < wall.size(); ++k) {
- float r[] = (float[])wall.get(k);
- if (yLine < r[0] || yLine > r[1])
- continue;
- return r[2] * yLine + r[3];
- }
- lineStatus = LINE_STATUS_NOLINE;
- return 0;
- }
-
- /**
- * Finds the intersection between the <CODE>yLine</CODE> and the two
- * column bounds. It will set the <CODE>lineStatus</CODE> apropriatly.
- * @return a <CODE>float[2]</CODE>with the x coordinates of the intersection
- */
- protected float[] findLimitsOneLine() {
- float x1 = findLimitsPoint(leftWall);
- if (lineStatus == LINE_STATUS_OFFLIMITS || lineStatus == LINE_STATUS_NOLINE)
- return null;
- float x2 = findLimitsPoint(rightWall);
- if (lineStatus == LINE_STATUS_NOLINE)
- return null;
- return new float[]{x1, x2};
- }
-
- /**
- * Finds the intersection between the <CODE>yLine</CODE>,
- * the <CODE>yLine-leading</CODE>and the two
- * column bounds. It will set the <CODE>lineStatus</CODE> apropriatly.
- * @return a <CODE>float[4]</CODE>with the x coordinates of the intersection
- */
- protected float[] findLimitsTwoLines() {
- boolean repeat = false;
- for (;;) {
- if (repeat && currentLeading == 0)
- return null;
- repeat = true;
- float x1[] = findLimitsOneLine();
- if (lineStatus == LINE_STATUS_OFFLIMITS)
- return null;
- yLine -= currentLeading;
- if (lineStatus == LINE_STATUS_NOLINE) {
- continue;
- }
- float x2[] = findLimitsOneLine();
- if (lineStatus == LINE_STATUS_OFFLIMITS)
- return null;
- if (lineStatus == LINE_STATUS_NOLINE) {
- yLine -= currentLeading;
- continue;
- }
- if (x1[0] >= x2[1] || x2[0] >= x1[1])
- continue;
- return new float[]{x1[0], x1[1], x2[0], x2[1]};
- }
- }
-
- /**
- * Sets the columns bounds. Each column bound is described by a
- * <CODE>float[]</CODE> with the line points [x1,y1,x2,y2,...].
- * The array must have at least 4 elements.
- * @param leftLine the left column bound
- * @param rightLine the right column bound
- */
- public void setColumns(float leftLine[], float rightLine[]) {
- maxY = -10e20f;
- minY = 10e20f;
- rightWall = convertColumn(rightLine);
- leftWall = convertColumn(leftLine);
- rectangularWidth = -1;
- rectangularMode = false;
- }
-
- /**
- * Simplified method for rectangular columns.
- * @param phrase a <CODE>Phrase</CODE>
- * @param llx the lower left x corner
- * @param lly the lower left y corner
- * @param urx the upper right x corner
- * @param ury the upper right y corner
- * @param leading the leading
- * @param alignment the column alignment
- */
- public void setSimpleColumn(Phrase phrase, float llx, float lly, float urx, float ury, float leading, int alignment) {
- addText(phrase);
- setSimpleColumn(llx, lly, urx, ury, leading, alignment);
- }
-
- /**
- * Simplified method for rectangular columns.
- * @param llx the lower left x corner
- * @param lly the lower left y corner
- * @param urx the upper right x corner
- * @param ury the upper right y corner
- * @param leading the leading
- * @param alignment the column alignment
- */
- public void setSimpleColumn(float llx, float lly, float urx, float ury, float leading, int alignment) {
- setLeading(leading);
- this.alignment = alignment;
- setSimpleColumn(llx, lly, urx, ury);
- }
-
- /**
- * Simplified method for rectangular columns.
- * @param llx
- * @param lly
- * @param urx
- * @param ury
- */
- public void setSimpleColumn(float llx, float lly, float urx, float ury) {
- leftX = Math.min(llx, urx);
- maxY = Math.max(lly, ury);
- minY = Math.min(lly, ury);
- rightX = Math.max(llx, urx);
- yLine = maxY;
- rectangularWidth = rightX - leftX;
- if (rectangularWidth < 0)
- rectangularWidth = 0;
- rectangularMode = true;
- }
- /**
- * Sets the leading to fixed
- * @param leading the leading
- */
- public void setLeading(float leading) {
- fixedLeading = leading;
- multipliedLeading = 0;
- }
-
- /**
- * Sets the leading fixed and variable. The resultant leading will be
- * fixedLeading+multipliedLeading*maxFontSize where maxFontSize is the
- * size of the bigest font in the line.
- * @param fixedLeading the fixed leading
- * @param multipliedLeading the variable leading
- */
- public void setLeading(float fixedLeading, float multipliedLeading) {
- this.fixedLeading = fixedLeading;
- this.multipliedLeading = multipliedLeading;
- }
-
- /**
- * Gets the fixed leading
- * @return the leading
- */
- public float getLeading() {
- return fixedLeading;
- }
-
- /**
- * Gets the variable leading
- * @return the leading
- */
- public float getMultipliedLeading() {
- return multipliedLeading;
- }
-
- /**
- * Sets the yLine. The line will be written to yLine-leading.
- * @param yLine the yLine
- */
- public void setYLine(float yLine) {
- this.yLine = yLine;
- }
-
- /**
- * Gets the yLine.
- * @return the yLine
- */
- public float getYLine() {
- return yLine;
- }
-
- /**
- * Sets the alignment.
- * @param alignment the alignment
- */
- public void setAlignment(int alignment) {
- this.alignment = alignment;
- }
-
- /**
- * Gets the alignment.
- * @return the alignment
- */
- public int getAlignment() {
- return alignment;
- }
-
- /**
- * Sets the first paragraph line indent.
- * @param indent the indent
- */
- public void setIndent(float indent) {
- this.indent = indent;
- lastWasNewline = true;
- }
-
- /**
- * Gets the first paragraph line indent.
- * @return the indent
- */
- public float getIndent() {
- return indent;
- }
-
- /**
- * Sets the following paragraph lines indent.
- * @param indent the indent
- */
- public void setFollowingIndent(float indent) {
- this.followingIndent = indent;
- lastWasNewline = true;
- }
-
- /**
- * Gets the following paragraph lines indent.
- * @return the indent
- */
- public float getFollowingIndent() {
- return followingIndent;
- }
-
- /**
- * Sets the right paragraph lines indent.
- * @param indent the indent
- */
- public void setRightIndent(float indent) {
- this.rightIndent = indent;
- lastWasNewline = true;
- }
-
- /**
- * Gets the right paragraph lines indent.
- * @return the indent
- */
- public float getRightIndent() {
- return rightIndent;
- }
-
- /**
- * Outputs the lines to the document. It is equivalent to <CODE>go(false)</CODE>.
- * @return returns the result of the operation. It can be <CODE>NO_MORE_TEXT</CODE>
- * and/or <CODE>NO_MORE_COLUMN</CODE>
- * @throws DocumentException on error
- */
- public int go() throws DocumentException {
- return go(false);
- }
-
- /**
- * Outputs the lines to the document. The output can be simulated.
- * @param simulate <CODE>true</CODE> to simulate the writting to the document
- * @return returns the result of the operation. It can be <CODE>NO_MORE_TEXT</CODE>
- * and/or <CODE>NO_MORE_COLUMN</CODE>
- * @throws DocumentException on error
- */
- public int go(boolean simulate) throws DocumentException {
- if (composite)
- return goComposite(simulate);
- addWaitingPhrase();
- if (bidiLine == null)
- return NO_MORE_TEXT;
- descender = 0;
- linesWritten = 0;
- boolean dirty = false;
- float ratio = spaceCharRatio;
- Object currentValues[] = new Object[2];
- PdfFont currentFont = null;
- Float lastBaseFactor = new Float(0);
- currentValues[1] = lastBaseFactor;
- PdfDocument pdf = null;
- PdfContentByte graphics = null;
- PdfContentByte text = null;
- firstLineY = Float.NaN;
- int localRunDirection = PdfWriter.RUN_DIRECTION_NO_BIDI;
- if (runDirection != PdfWriter.RUN_DIRECTION_DEFAULT)
- localRunDirection = runDirection;
- if (canvas != null) {
- graphics = canvas;
- pdf = canvas.getPdfDocument();
- text = canvas.getDuplicate();
- }
- else if (!simulate)
- throw new NullPointerException("ColumnText.go with simulate==false and text==null.");
- if (!simulate) {
- if (ratio == GLOBAL_SPACE_CHAR_RATIO)
- ratio = text.getPdfWriter().getSpaceCharRatio();
- else if (ratio < 0.001f)
- ratio = 0.001f;
- }
- float firstIndent = 0;
-
- int status = 0;
- if (rectangularMode) {
- for (;;) {
- firstIndent = (lastWasNewline ? indent : followingIndent);
- if (rectangularWidth <= firstIndent + rightIndent) {
- status = NO_MORE_COLUMN;
- if (bidiLine.isEmpty())
- status |= NO_MORE_TEXT;
- break;
- }
- if (bidiLine.isEmpty()) {
- status = NO_MORE_TEXT;
- break;
- }
- PdfLine line = bidiLine.processLine(rectangularWidth - firstIndent - rightIndent, alignment, localRunDirection, arabicOptions);
- if (line == null) {
- status = NO_MORE_TEXT;
- break;
- }
- float maxSize = line.getMaxSizeSimple();
- if (isUseAscender() && Float.isNaN(firstLineY)) {
- currentLeading = line.getAscender();
- }
- else {
- currentLeading = fixedLeading + maxSize * multipliedLeading;
- }
- if (yLine > maxY || yLine - currentLeading < minY ) {
- status = NO_MORE_COLUMN;
- bidiLine.restore();
- break;
- }
- yLine -= currentLeading;
- if (!simulate && !dirty) {
- text.beginText();
- dirty = true;
- }
- if (Float.isNaN(firstLineY)) {
- firstLineY = yLine;
- }
- updateFilledWidth(rectangularWidth - line.widthLeft());
- if (!simulate) {
- currentValues[0] = currentFont;
- text.setTextMatrix(leftX + (line.isRTL() ? rightIndent : firstIndent) + line.indentLeft(), yLine);
- pdf.writeLineToContent(line, text, graphics, currentValues, ratio);
- currentFont = (PdfFont)currentValues[0];
- }
- lastWasNewline = line.isNewlineSplit();
- yLine -= line.isNewlineSplit() ? extraParagraphSpace : 0;
- ++linesWritten;
- descender = line.getDescender();
- }
- }
- else {
- currentLeading = fixedLeading;
- for (;;) {
- firstIndent = (lastWasNewline ? indent : followingIndent);
- float yTemp = yLine;
- float xx[] = findLimitsTwoLines();
- if (xx == null) {
- status = NO_MORE_COLUMN;
- if (bidiLine.isEmpty())
- status |= NO_MORE_TEXT;
- yLine = yTemp;
- break;
- }
- if (bidiLine.isEmpty()) {
- status = NO_MORE_TEXT;
- yLine = yTemp;
- break;
- }
- float x1 = Math.max(xx[0], xx[2]);
- float x2 = Math.min(xx[1], xx[3]);
- if (x2 - x1 <= firstIndent + rightIndent)
- continue;
- if (!simulate && !dirty) {
- text.beginText();
- dirty = true;
- }
- PdfLine line = bidiLine.processLine(x2 - x1 - firstIndent - rightIndent, alignment, localRunDirection, arabicOptions);
- if (line == null) {
- status = NO_MORE_TEXT;
- yLine = yTemp;
- break;
- }
- if (!simulate) {
- currentValues[0] = currentFont;
- text.setTextMatrix(x1 + (line.isRTL() ? rightIndent : firstIndent) + line.indentLeft(), yLine);
- pdf.writeLineToContent(line, text, graphics, currentValues, ratio);
- currentFont = (PdfFont)currentValues[0];
- }
- lastWasNewline = line.isNewlineSplit();
- yLine -= line.isNewlineSplit() ? extraParagraphSpace : 0;
- ++linesWritten;
- descender = line.getDescender();
- }
- }
- if (dirty) {
- text.endText();
- canvas.add(text);
- }
- return status;
- }
-
- /**
- * Sets the extra space between paragraphs.
- * @return the extra space between paragraphs
- */
- public float getExtraParagraphSpace() {
- return extraParagraphSpace;
- }
-
- /**
- * Sets the extra space between paragraphs.
- * @param extraParagraphSpace the extra space between paragraphs
- */
- public void setExtraParagraphSpace(float extraParagraphSpace) {
- this.extraParagraphSpace = extraParagraphSpace;
- }
-
- /**
- * Clears the chunk array. A call to <CODE>go()</CODE> will always return
- * NO_MORE_TEXT.
- */
- public void clearChunks() {
- if (bidiLine != null)
- bidiLine.clearChunks();
- }
-
- /** Gets the space/character extra spacing ratio for
- * fully justified text.
- * @return the space/character extra spacing ratio
- */
- public float getSpaceCharRatio() {
- return spaceCharRatio;
- }
-
- /** Sets the ratio between the extra word spacing and the extra character spacing
- * when the text is fully justified.
- * Extra word spacing will grow <CODE>spaceCharRatio</CODE> times more than extra character spacing.
- * If the ratio is <CODE>PdfWriter.NO_SPACE_CHAR_RATIO</CODE> then the extra character spacing
- * will be zero.
- * @param spaceCharRatio the ratio between the extra word spacing and the extra character spacing
- */
- public void setSpaceCharRatio(float spaceCharRatio) {
- this.spaceCharRatio = spaceCharRatio;
- }
-
- /** Sets the run direction.
- * @param runDirection the run direction
- */
- public void setRunDirection(int runDirection) {
- if (runDirection < PdfWriter.RUN_DIRECTION_DEFAULT || runDirection > PdfWriter.RUN_DIRECTION_RTL)
- throw new RuntimeException("Invalid run direction: " + runDirection);
- this.runDirection = runDirection;
- }
-
- /** Gets the run direction.
- * @return the run direction
- */
- public int getRunDirection() {
- return runDirection;
- }
-
- /** Gets the number of lines written.
- * @return the number of lines written
- */
- public int getLinesWritten() {
- return this.linesWritten;
- }
-
- /** Gets the arabic shaping options.
- * @return the arabic shaping options
- */
- public int getArabicOptions() {
- return this.arabicOptions;
- }
-
- /** Sets the arabic shaping options. The option can be AR_NOVOWEL,
- * AR_COMPOSEDTASHKEEL and AR_LIG.
- * @param arabicOptions the arabic shaping options
- */
- public void setArabicOptions(int arabicOptions) {
- this.arabicOptions = arabicOptions;
- }
-
- /** Gets the biggest descender value of the last line written.
- * @return the biggest descender value of the last line written
- */
- public float getDescender() {
- return descender;
- }
-
- /** Gets the width that the line will occupy after writing.
- * Only the width of the first line is returned.
- * @param phrase the <CODE>Phrase</CODE> containing the line
- * @param runDirection the run direction
- * @param arabicOptions the options for the arabic shaping
- * @return the width of the line
- */
- public static float getWidth(Phrase phrase, int runDirection, int arabicOptions) {
- ColumnText ct = new ColumnText(null);
- ct.addText(phrase);
- ct.addWaitingPhrase();
- PdfLine line = ct.bidiLine.processLine(20000, Element.ALIGN_LEFT, runDirection, arabicOptions);
- if (line == null)
- return 0;
- else
- return 20000 - line.widthLeft();
- }
-
- /** Gets the width that the line will occupy after writing.
- * Only the width of the first line is returned.
- * @param phrase the <CODE>Phrase</CODE> containing the line
- * @return the width of the line
- */
- public static float getWidth(Phrase phrase) {
- return getWidth(phrase, PdfWriter.RUN_DIRECTION_NO_BIDI, 0);
- }
-
- /** Shows a line of text. Only the first line is written.
- * @param canvas where the text is to be written to
- * @param alignment the alignment. It is not influenced by the run direction
- * @param phrase the <CODE>Phrase</CODE> with the text
- * @param x the x reference position
- * @param y the y reference position
- * @param rotation the rotation to be applied in degrees counterclockwise
- * @param runDirection the run direction
- * @param arabicOptions the options for the arabic shaping
- */
- public static void showTextAligned(PdfContentByte canvas, int alignment, Phrase phrase, float x, float y, float rotation, int runDirection, int arabicOptions) {
- if (alignment != Element.ALIGN_LEFT && alignment != Element.ALIGN_CENTER
- && alignment != Element.ALIGN_RIGHT)
- alignment = Element.ALIGN_LEFT;
- canvas.saveState();
- ColumnText ct = new ColumnText(canvas);
- if (rotation == 0) {
- if (alignment == Element.ALIGN_LEFT)
- ct.setSimpleColumn(phrase, x, y - 1, 20000 + x, y + 2, 2, alignment);
- else if (alignment == Element.ALIGN_RIGHT)
- ct.setSimpleColumn(phrase, x-20000, y-1, x, y+2, 2, alignment);
- else
- ct.setSimpleColumn(phrase, x-20000, y-1, x+20000, y+2, 2, alignment);
- }
- else {
- double alpha = rotation * Math.PI / 180.0;
- float cos = (float)Math.cos(alpha);
- float sin = (float)Math.sin(alpha);
- canvas.concatCTM(cos, sin, -sin, cos, x, y);
- if (alignment == Element.ALIGN_LEFT)
- ct.setSimpleColumn(phrase, 0, -1, 20000, 2, 2, alignment);
- else if (alignment == Element.ALIGN_RIGHT)
- ct.setSimpleColumn(phrase, -20000, -1, 0, 2, 2, alignment);
- else
- ct.setSimpleColumn(phrase, -20000, -1, 20000, 2, 2, alignment);
- }
- if (runDirection == PdfWriter.RUN_DIRECTION_RTL) {
- if (alignment == Element.ALIGN_LEFT)
- alignment = Element.ALIGN_RIGHT;
- else if (alignment == Element.ALIGN_RIGHT)
- alignment = Element.ALIGN_LEFT;
- }
- ct.setAlignment(alignment);
- ct.setArabicOptions(arabicOptions);
- ct.setRunDirection(runDirection);
- try {
- ct.go();
- }
- catch (DocumentException e) {
- throw new ExceptionConverter(e);
- }
- canvas.restoreState();
- }
-
- /** Shows a line of text. Only the first line is written.
- * @param canvas where the text is to be written to
- * @param alignment the alignment
- * @param phrase the <CODE>Phrase</CODE> with the text
- * @param x the x reference position
- * @param y the y reference position
- * @param rotation the rotation to be applied in degrees counterclockwise
- */
- public static void showTextAligned(PdfContentByte canvas, int alignment, Phrase phrase, float x, float y, float rotation) {
- showTextAligned(canvas, alignment, phrase, x, y, rotation, PdfWriter.RUN_DIRECTION_NO_BIDI, 0);
- }
-
- protected int goComposite(boolean simulate) throws DocumentException {
- if (!rectangularMode)
- throw new DocumentException("Irregular columns are not supported in composite mode.");
- linesWritten = 0;
- descender = 0;
- boolean firstPass = true;
- main_loop:
- while (true) {
- if (compositeElements.isEmpty())
- return NO_MORE_TEXT;
- Element element = (Element)compositeElements.getFirst();
- if (element.type() == Element.PARAGRAPH) {
- Paragraph para = (Paragraph)element;
- int status = 0;
- for (int keep = 0; keep < 2; ++keep) {
- float lastY = yLine;
- boolean createHere = false;
- if (compositeColumn == null) {
- compositeColumn = new ColumnText(canvas);
- compositeColumn.setUseAscender(firstPass ? useAscender : false);
- compositeColumn.setAlignment(para.alignment());
- compositeColumn.setIndent(para.indentationLeft() + para.getFirstLineIndent());
- compositeColumn.setExtraParagraphSpace(para.getExtraParagraphSpace());
- compositeColumn.setFollowingIndent(para.indentationLeft());
- compositeColumn.setRightIndent(para.indentationRight());
- compositeColumn.setLeading(para.leading(), para.getMultipliedLeading());
- compositeColumn.setRunDirection(runDirection);
- compositeColumn.setArabicOptions(arabicOptions);
- compositeColumn.setSpaceCharRatio(spaceCharRatio);
- compositeColumn.addText(para);
- if (!firstPass) {
- yLine -= para.spacingBefore();
- }
- createHere = true;
- }
- compositeColumn.leftX = leftX;
- compositeColumn.rightX = rightX;
- compositeColumn.yLine = yLine;
- compositeColumn.rectangularWidth = rectangularWidth;
- compositeColumn.rectangularMode = rectangularMode;
- compositeColumn.minY = minY;
- compositeColumn.maxY = maxY;
- boolean keepCandidate = (para.getKeepTogether() && createHere && !firstPass);
- status = compositeColumn.go(simulate || (keepCandidate && keep == 0));
- updateFilledWidth(compositeColumn.filledWidth);
- if ((status & NO_MORE_TEXT) == 0 && keepCandidate) {
- compositeColumn = null;
- yLine = lastY;
- return NO_MORE_COLUMN;
- }
- if (simulate || !keepCandidate)
- break;
- if (keep == 0) {
- compositeColumn = null;
- yLine = lastY;
- }
- }
- firstPass = false;
- yLine = compositeColumn.yLine;
- linesWritten += compositeColumn.linesWritten;
- descender = compositeColumn.descender;
- if ((status & NO_MORE_TEXT) != 0) {
- compositeColumn = null;
- compositeElements.removeFirst();
- yLine -= para.spacingAfter();
- }
- if ((status & NO_MORE_COLUMN) != 0) {
- return NO_MORE_COLUMN;
- }
- }
- else if (element.type() == Element.LIST) {
- com.lowagie.text.List list = (com.lowagie.text.List)element;
- ArrayList items = list.getItems();
- ListItem item = null;
- float listIndentation = list.indentationLeft();
- int count = 0;
- Stack stack = new Stack();
- for (int k = 0; k < items.size(); ++k) {
- Object obj = items.get(k);
- if (obj instanceof ListItem) {
- if (count == listIdx) {
- item = (ListItem)obj;
- break;
- }
- else ++count;
- }
- else if (obj instanceof com.lowagie.text.List) {
- stack.push(new Object[]{list, new Integer(k), new Float(listIndentation)});
- list = (com.lowagie.text.List)obj;
- items = list.getItems();
- listIndentation += list.indentationLeft();
- k = -1;
- continue;
- }
- if (k == items.size() - 1) {
- if (!stack.isEmpty()) {
- Object objs[] = (Object[])stack.pop();
- list = (com.lowagie.text.List)objs[0];
- items = list.getItems();
- k = ((Integer)objs[1]).intValue();
- listIndentation = ((Float)objs[2]).floatValue();
- }
- }
- }
- int status = 0;
- for (int keep = 0; keep < 2; ++keep) {
- float lastY = yLine;
- boolean createHere = false;
- if (compositeColumn == null) {
- if (item == null) {
- listIdx = 0;
- compositeElements.removeFirst();
- continue main_loop;
- }
- compositeColumn = new ColumnText(canvas);
- compositeColumn.setUseAscender(firstPass ? useAscender : false);
- compositeColumn.setAlignment(item.alignment());
- compositeColumn.setIndent(item.indentationLeft() + listIndentation + item.getFirstLineIndent());
- compositeColumn.setExtraParagraphSpace(item.getExtraParagraphSpace());
- compositeColumn.setFollowingIndent(compositeColumn.getIndent());
- compositeColumn.setRightIndent(item.indentationRight() + list.indentationRight());
- compositeColumn.setLeading(item.leading(), item.getMultipliedLeading());
- compositeColumn.setRunDirection(runDirection);
- compositeColumn.setArabicOptions(arabicOptions);
- compositeColumn.setSpaceCharRatio(spaceCharRatio);
- compositeColumn.addText(item);
- if (!firstPass) {
- yLine -= item.spacingBefore();
- }
- createHere = true;
- }
- compositeColumn.leftX = leftX;
- compositeColumn.rightX = rightX;
- compositeColumn.yLine = yLine;
- compositeColumn.rectangularWidth = rectangularWidth;
- compositeColumn.rectangularMode = rectangularMode;
- compositeColumn.minY = minY;
- compositeColumn.maxY = maxY;
- boolean keepCandidate = (item.getKeepTogether() && createHere && !firstPass);
- status = compositeColumn.go(simulate || (keepCandidate && keep == 0));
- updateFilledWidth(compositeColumn.filledWidth);
- if ((status & NO_MORE_TEXT) == 0 && keepCandidate) {
- compositeColumn = null;
- yLine = lastY;
- return NO_MORE_COLUMN;
- }
- if (simulate || !keepCandidate)
- break;
- if (keep == 0) {
- compositeColumn = null;
- yLine = lastY;
- }
- }
- firstPass = false;
- yLine = compositeColumn.yLine;
- linesWritten += compositeColumn.linesWritten;
- descender = compositeColumn.descender;
- if (!Float.isNaN(compositeColumn.firstLineY) && !compositeColumn.firstLineYDone) {
- if (!simulate)
- showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(item.listSymbol()), compositeColumn.leftX + listIndentation, compositeColumn.firstLineY, 0);
- compositeColumn.firstLineYDone = true;
- }
- if ((status & NO_MORE_TEXT) != 0) {
- compositeColumn = null;
- ++listIdx;
- yLine -= item.spacingAfter();
- }
- if ((status & NO_MORE_COLUMN) != 0) {
- return NO_MORE_COLUMN;
- }
- }
- else if (element.type() == Element.PTABLE) {
- if (yLine < minY || yLine > maxY)
- return NO_MORE_COLUMN;
- PdfPTable table = (PdfPTable)element;
- if (table.size() <= table.getHeaderRows()) {
- compositeElements.removeFirst();
- continue;
- }
- float yTemp = yLine;
- float yLineWrite = yLine;
- if (!firstPass && listIdx == 0) {
- yTemp -= table.spacingBefore();
- yLineWrite = yTemp;
- }
- currentLeading = 0;
- if (yTemp < minY || yTemp > maxY)
- return NO_MORE_COLUMN;
- float x1 = leftX;
- float tableWidth;
- if (table.isLockedWidth()) {
- tableWidth = table.getTotalWidth();
- updateFilledWidth(tableWidth);
- }
- else {
- tableWidth = rectangularWidth * table.getWidthPercentage() / 100f;
- table.setTotalWidth(tableWidth);
- }
- int k;
- boolean skipHeader = (!firstPass && table.isSkipFirstHeader() && listIdx <= table.getHeaderRows());
- if (!skipHeader) {
- yTemp -= table.getHeaderHeight();
- if (yTemp < minY || yTemp > maxY) {
- if (firstPass) {
- compositeElements.removeFirst();
- continue;
- }
- return NO_MORE_COLUMN;
- }
- }
- if (listIdx < table.getHeaderRows())
- listIdx = table.getHeaderRows();
- for (k = listIdx; k < table.size(); ++k) {
- float rowHeight = table.getRowHeight(k);
- if (yTemp - rowHeight < minY)
- break;
- yTemp -= rowHeight;
- }
- if (k < table.size()) {
- if (table.isSplitRows() && (!table.isSplitLate() || (k == listIdx && firstPass))) {
- if (!splittedRow) {
- splittedRow = true;
- table = new PdfPTable(table);
- compositeElements.set(0, table);
- ArrayList rows = table.getRows();
- for (int i = table.getHeaderRows(); i < listIdx; ++i)
- rows.set(i, null);
- }
- float h = yTemp - minY;
- PdfPRow newRow = table.getRow(k).splitRow(h);
- if (newRow == null) {
- if (k == listIdx)
- return NO_MORE_COLUMN;
- }
- else {
- yTemp = minY;
- table.getRows().add(++k, newRow);
- }
- }
- else if (!table.isSplitRows() && k == listIdx && firstPass) {
- compositeElements.removeFirst();
- splittedRow = false;
- continue;
- }
- else if (k == listIdx && !firstPass && (!table.isSplitRows() || table.isSplitLate())) {
- return NO_MORE_COLUMN;
- }
- }
- firstPass = false;
- if (!simulate) {
- switch (table.getHorizontalAlignment()) {
- case Element.ALIGN_LEFT:
- break;
- case Element.ALIGN_RIGHT:
- x1 += rectangularWidth - tableWidth;
- break;
- default:
- x1 += (rectangularWidth - tableWidth) / 2f;
- }
- int realHeaderRows = table.getHeaderRows();
- int footerRows = table.getFooterRows();
- if (footerRows > realHeaderRows)
- footerRows = realHeaderRows;
- realHeaderRows -= footerRows;
- PdfPTable nt = PdfPTable.shallowCopy(table);
- ArrayList rows = table.getRows();
- ArrayList sub = nt.getRows();
- if (!skipHeader) {
- for (int j = 0; j < realHeaderRows; ++j)
- sub.add(rows.get(j));
- }
- else
- nt.setHeaderRows(footerRows);
- for (int j = listIdx; j < k; ++j)
- sub.add(rows.get(j));
- for (int j = 0; j < footerRows; ++j)
- sub.add(rows.get(j + realHeaderRows));
- float rowHeight = 0;
- if (table.isExtendLastRow()) {
- PdfPRow last = (PdfPRow)sub.get(sub.size() - 1 - footerRows);
- rowHeight = last.getMaxHeights();
- last.setMaxHeights(yTemp - minY + rowHeight);
- yTemp = minY;
- }
- if (canvases != null)
- nt.writeSelectedRows(0, -1, x1, yLineWrite, canvases);
- else
- nt.writeSelectedRows(0, -1, x1, yLineWrite, canvas);
- if (table.isExtendLastRow()) {
- PdfPRow last = (PdfPRow)sub.get(sub.size() - 1 - footerRows);
- last.setMaxHeights(rowHeight);
- }
- }
- else if (table.isExtendLastRow() && minY > PdfPRow.BOTTOM_LIMIT)
- yTemp = minY;
- yLine = yTemp;
- if (k >= table.size()) {
- yLine -= table.spacingAfter();
- compositeElements.removeFirst();
- splittedRow = false;
- listIdx = 0;
- }
- else {
- if (splittedRow) {
- ArrayList rows = table.getRows();
- for (int i = listIdx; i < k; ++i)
- rows.set(i, null);
- }
- listIdx = k;
- return NO_MORE_COLUMN;
- }
- }
- else if (element.type() == Element.GRAPHIC) {
- if (!simulate) {
- Graphic gr = (Graphic)element;
- ByteBuffer bf = gr.getInternalBuffer();
- ByteBuffer store = null;
- if (bf.size() > 0) {
- store = new ByteBuffer();
- store.append(bf);
- bf.reset();
- }
- gr.processAttributes(leftX, minY, rightX, maxY, yLine);
- canvas.add(gr);
- bf.reset();
- if (store != null) {
- bf.append(store);
- }
- }
- compositeElements.removeFirst();
- }
- else
- compositeElements.removeFirst();
- }
- }
-
- /**
- * Gets the canvas.
- * @return a PdfContentByte.
- */
- public PdfContentByte getCanvas() {
- return canvas;
- }
-
- /**
- * Sets the canvas.
- * @param canvas
- */
- public void setCanvas(PdfContentByte canvas) {
- this.canvas = canvas;
- this.canvases = null;
- if (compositeColumn != null)
- compositeColumn.setCanvas(canvas);
- }
-
- /**
- * Sets the canvases.
- * @param canvases
- */
- public void setCanvases(PdfContentByte[] canvases) {
- this.canvases = canvases;
- this.canvas = canvases[PdfPTable.TEXTCANVAS];
- if (compositeColumn != null)
- compositeColumn.setCanvases(canvases);
- }
-
- /**
- * Gets the canvases.
- * @return an array of PdfContentByte
- */
- public PdfContentByte[] getCanvases() {
- return canvases;
- }
-
- /**
- * Checks if the element has a height of 0.
- * @return true or false
- */
- public boolean zeroHeightElement() {
- return composite == true && compositeElements.size() > 0 && ((Element)compositeElements.getFirst()).type() == Element.GRAPHIC;
- }
-
- /**
- * Checks if UseAscender is enabled/disabled.
- * @return true is the adjustment of the first line height is based on max ascender.
- */
- public boolean isUseAscender() {
- return useAscender;
- }
-
- /**
- * Enables/Disables adjustment of first line height based on max ascender.
- * @param use enable adjustment if true
- */
- public void setUseAscender(boolean use) {
- useAscender = use;
- }
-
- /**
- * Checks the status variable and looks if there's still some text.
- */
- public static boolean hasMoreText(int status) {
- return (status & ColumnText.NO_MORE_TEXT) == 0;
- }
-
- /**
- * Holds value of property filledWidth.
- */
- private float filledWidth;
-
- /**
- * Gets the real width used by the largest line.
- * @return the real width used by the largest line
- */
- public float getFilledWidth() {
-
- return this.filledWidth;
- }
-
- /**
- * Sets the real width used by the largest line. Only used to set it
- * to zero to start another measurement.
- * @param filledWidth the real width used by the largest line
- */
- public void setFilledWidth(float filledWidth) {
-
- this.filledWidth = filledWidth;
- }
-
- /**
- * Replaces the <CODE>filledWidth</CODE> if greater than the existing one.
- * @param w the new <CODE>filledWidth</CODE> if greater than the existing one
- */
- public void updateFilledWidth(float w) {
- if (w > filledWidth)
- filledWidth = w;
- }
-}
\ No newline at end of file |