/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* This program 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 Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: sales@itextpdf.com
*/
package com.itextpdf.text.pdf;
import java.io.IOException;
import java.util.HashMap;
import com.itextpdf.text.AccessibleElementId;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.interfaces.IAccessibleElement;
/**
* Implements the form XObject.
*/
public class PdfTemplate extends PdfContentByte implements IAccessibleElement {
public static final int TYPE_TEMPLATE = 1;
public 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;
protected PdfIndirectReference pageReference;
protected boolean contentTagged = false;
/**
* A dictionary with additional information
* @since 5.1.0
*/
private PdfDictionary additional = null;
protected PdfName role = PdfName.FIGURE;
protected HashMap<PdfName, PdfObject> accessibleAttributes = null;
private AccessibleElementId id = null;
/**
*Creates a <CODE>PdfTemplate</CODE>.
*/
protected PdfTemplate() {
super(null);
type = TYPE_TEMPLATE;
}
/**
* Creates new PdfTemplate
*
* @param wr the <CODE>PdfWriter</CODE>
*/
PdfTemplate(PdfWriter wr) {
super(wr);
type = TYPE_TEMPLATE;
pageResources = new PageResources();
pageResources.addDefaultColor(wr.getDefaultColorspace());
thisReference = writer.getPdfIndirectReference();
}
/**
* Creates a new template.
* <P>
* 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
*/
public static PdfTemplate createTemplate(PdfWriter writer, float width, float height) {
return createTemplate(writer, width, height, null);
}
static PdfTemplate createTemplate(PdfWriter writer, float width, float height, PdfName forcedName) {
PdfTemplate template = new PdfTemplate(writer);
template.setWidth(width);
template.setHeight(height);
writer.addDirectTemplateSimple(template, forcedName);
return template;
}
public boolean isTagged() {
return super.isTagged() && contentTagged;
}
/**
* Sets the bounding width of this template.
*
* @param width the bounding width
*/
public void setWidth(float width) {
bBox.setLeft(0);
bBox.setRight(width);
}
/**
* Sets the bounding height of this template.
*
* @param height the bounding height
*/
public void setHeight(float height) {
bBox.setBottom(0);
bBox.setTop(height);
}
/**
* Gets the bounding width of this template.
*
* @return width the bounding width
*/
public float getWidth() {
return bBox.getWidth();
}
/**
* Gets the bounding height of this template.
*
* @return height the bounding height
*/
public float getHeight() {
return bBox.getHeight();
}
public Rectangle getBoundingBox() {
return bBox;
}
public void setBoundingBox(Rectangle bBox) {
this.bBox = bBox;
}
/**
* Sets the layer this template belongs to.
* @param layer the layer this template belongs to
*/
public void setLayer(PdfOCG layer) {
this.layer = layer;
}
/**
* Gets the layer this template belongs to.
* @return the layer this template belongs to or <code>null</code> for no layer defined
*/
public PdfOCG getLayer() {
return layer;
}
public void setMatrix(float a, float b, float c, float d, float e, float f) {
matrix = new PdfArray();
matrix.add(new PdfNumber(a));
matrix.add(new PdfNumber(b));
matrix.add(new PdfNumber(c));
matrix.add(new PdfNumber(d));
matrix.add(new PdfNumber(e));
matrix.add(new PdfNumber(f));
}
PdfArray getMatrix() {
return 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 (thisReference == null /* && writer != null */) {
thisReference = writer.getPdfIndirectReference();
}
return thisReference;
}
public void beginVariableText() {
content.append("/Tx BMC ");
}
public void endVariableText() {
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)
*/
public PdfStream getFormXObject(int compressionLevel) throws IOException {
return new PdfFormXObject(this, compressionLevel);
}
/**
* Gets a duplicate of this <CODE>PdfTemplate</CODE>. All
* the members are copied by reference but the buffer stays different.
* @return a copy of this <CODE>PdfTemplate</CODE>
*/
public PdfContentByte getDuplicate() {
PdfTemplate tpl = new PdfTemplate();
tpl.writer = writer;
tpl.pdf = pdf;
tpl.thisReference = thisReference;
tpl.pageResources = pageResources;
tpl.bBox = new Rectangle(bBox);
tpl.group = group;
tpl.layer = layer;
if (matrix != null) {
tpl.matrix = new PdfArray(matrix);
}
tpl.separator = separator;
tpl.additional = additional;
tpl.contentTagged = contentTagged;
tpl.duplicatedFrom = this;
return tpl;
}
public int getType() {
return type;
}
PageResources getPageResources() {
return 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(PdfTransparencyGroup group) {
this.group = group;
}
/**
* Getter for the dictionary with additional information.
*
* @return a PdfDictionary with additional information.
* @since 5.1.0
*/
public PdfDictionary getAdditional() {
return this.additional;
}
/**
* Sets a dictionary with extra entries, for instance /Measure.
*
* @param additional
* a PdfDictionary with additional information.
* @since 5.1.0
*/
public void setAdditional(PdfDictionary additional) {
this.additional = additional;
}
public PdfIndirectReference getCurrentPage() {
return pageReference == null ? writer.getCurrentPage() : pageReference;
}
public PdfIndirectReference getPageReference() {
return pageReference;
}
public void setPageReference(PdfIndirectReference pageReference) {
this.pageReference = pageReference;
}
public boolean isContentTagged() {
return contentTagged;
}
public void setContentTagged(boolean contentTagged) {
this.contentTagged = contentTagged;
}
public PdfObject getAccessibleAttribute(final PdfName key) {
if (accessibleAttributes != null)
return accessibleAttributes.get(key);
else
return null;
}
public void setAccessibleAttribute(final PdfName key, final PdfObject value) {
if (accessibleAttributes == null)
accessibleAttributes = new HashMap<PdfName, PdfObject>();
accessibleAttributes.put(key, value);
}
public HashMap<PdfName, PdfObject> getAccessibleAttributes() {
return accessibleAttributes;
}
public PdfName getRole() {
return role;
}
public void setRole(final PdfName role) {
this.role = role;
}
public AccessibleElementId getId() {
if (id == null)
id = new AccessibleElementId();
return id;
}
public void setId(final AccessibleElementId id) {
this.id = id;
}
public boolean isInline() {
return true;
}
}