com.aowagie.text.pdf.PdfTemplate Maven / Gradle / Ivy
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/*
* $Id: PdfTemplate.java 3929 2009-05-22 13:26:41Z blowagie $
*
* Copyright 2001, 2002 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.aowagie.text.pdf;
import java.io.IOException;
import com.aowagie.text.Rectangle;
/**
* Implements the form XObject.
*/
public class PdfTemplate extends PdfContentByte {
static final int TYPE_TEMPLATE = 1;
static final int TYPE_IMPORTED = 2;
public static final int TYPE_PATTERN = 3;
protected int type;
/** The indirect reference to this template */
protected PdfIndirectReference thisReference;
/** The resources used by this template */
protected PageResources pageResources;
/** The bounding box of this template */
protected Rectangle bBox = new Rectangle(0, 0);
protected PdfArray matrix;
protected PdfTransparencyGroup group;
protected PdfOCG layer;
/**
*Creates a PdfTemplate.
*/
protected PdfTemplate() {
super(null);
this.type = TYPE_TEMPLATE;
}
/**
* Creates new PdfTemplate
*
* @param wr the PdfWriter
*/
PdfTemplate(final PdfWriter wr) {
super(wr);
this.type = TYPE_TEMPLATE;
this.pageResources = new PageResources();
this.pageResources.addDefaultColor(wr.getDefaultColorspace());
this.thisReference = this.writer.getPdfIndirectReference();
}
/**
* Creates a new template.
*
* Creates a new template that is nothing more than a form XObject. This template can be included
* in this template or in another template. Templates are only written
* to the output when the document is closed permitting things like showing text in the first page
* that is only defined in the last page.
*
* @param writer the PdfWriter to use
* @param width the bounding box width
* @param height the bounding box height
* @return the created template
*/
static PdfTemplate createTemplate(final PdfWriter writer, final float width, final float height) {
return createTemplate(writer, width, height, null);
}
private static PdfTemplate createTemplate(final PdfWriter writer, final float width, final float height, final PdfName forcedName) {
final PdfTemplate template = new PdfTemplate(writer);
template.setWidth(width);
template.setHeight(height);
writer.addDirectTemplateSimple(template, forcedName);
return template;
}
/**
* Sets the bounding width of this template.
*
* @param width the bounding width
*/
public void setWidth(final float width) {
this.bBox.setLeft(0);
this.bBox.setRight(width);
}
/**
* Sets the bounding height of this template.
*
* @param height the bounding height
*/
public void setHeight(final float height) {
this.bBox.setBottom(0);
this.bBox.setTop(height);
}
/**
* Gets the bounding width of this template.
*
* @return width the bounding width
*/
public float getWidth() {
return this.bBox.getWidth();
}
/**
* Gets the bounding height of this template.
*
* @return height the bounding height
*/
public float getHeight() {
return this.bBox.getHeight();
}
public Rectangle getBoundingBox() {
return this.bBox;
}
public void setBoundingBox(final Rectangle bBox) {
this.bBox = bBox;
}
/**
* Sets the layer this template belongs to.
* @param layer the layer this template belongs to
*/
public void setLayer(final PdfOCG layer) {
this.layer = layer;
}
/**
* Gets the layer this template belongs to.
* @return the layer this template belongs to or null for no layer defined
*/
public PdfOCG getLayer() {
return this.layer;
}
void setMatrix(final float a, final float b, final float c, final float d, final float e, final float f) {
this.matrix = new PdfArray();
this.matrix.add(new PdfNumber(a));
this.matrix.add(new PdfNumber(b));
this.matrix.add(new PdfNumber(c));
this.matrix.add(new PdfNumber(d));
this.matrix.add(new PdfNumber(e));
this.matrix.add(new PdfNumber(f));
}
PdfArray getMatrix() {
return this.matrix;
}
/**
* Gets the indirect reference to this template.
*
* @return the indirect reference to this template
*/
public PdfIndirectReference getIndirectReference() {
// uncomment the null check as soon as we're sure all examples still work
if (this.thisReference == null /* && writer != null */) {
this.thisReference = this.writer.getPdfIndirectReference();
}
return this.thisReference;
}
void beginVariableText() {
this.content.append("/Tx BMC ");
}
void endVariableText() {
this.content.append("EMC ");
}
/**
* Constructs the resources used by this template.
*
* @return the resources used by this template
*/
PdfObject getResources() {
return getPageResources().getResources();
}
/**
* Gets the stream representing this template.
*
* @param compressionLevel the compressionLevel
* @return the stream representing this template
* @since 2.1.3 (replacing the method without param compressionLevel)
*/
PdfStream getFormXObject(final int compressionLevel) throws IOException {
return new PdfFormXObject(this, compressionLevel);
}
/**
* Gets a duplicate of this PdfTemplate. All
* the members are copied by reference but the buffer stays different.
* @return a copy of this PdfTemplate
*/
@Override
public PdfContentByte getDuplicate() {
final PdfTemplate tpl = new PdfTemplate();
tpl.writer = this.writer;
tpl.pdf = this.pdf;
tpl.thisReference = this.thisReference;
tpl.pageResources = this.pageResources;
tpl.bBox = new Rectangle(this.bBox);
tpl.group = this.group;
tpl.layer = this.layer;
if (this.matrix != null) {
tpl.matrix = new PdfArray(this.matrix);
}
tpl.separator = this.separator;
return tpl;
}
public int getType() {
return this.type;
}
@Override
PageResources getPageResources() {
return this.pageResources;
}
/** Getter for property group.
* @return Value of property group.
*
*/
public PdfTransparencyGroup getGroup() {
return this.group;
}
/** Setter for property group.
* @param group New value of property group.
*
*/
public void setGroup(final PdfTransparencyGroup group) {
this.group = group;
}
}