de.intarsys.pdf.pd.PDExplicitDestination Maven / Gradle / Ivy
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This is a fork of http://sourceforge.net/projects/jpodlib/ as development seems to be frozen.
We're providing some bug fixes along with deployments to maven.
/*
* Copyright (c) 2007, intarsys consulting GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* - Neither the name of intarsys nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package de.intarsys.pdf.pd;
import de.intarsys.pdf.cos.COSArray;
import de.intarsys.pdf.cos.COSBasedObject;
import de.intarsys.pdf.cos.COSFixed;
import de.intarsys.pdf.cos.COSName;
import de.intarsys.pdf.cos.COSNull;
import de.intarsys.pdf.cos.COSNumber;
import de.intarsys.pdf.cos.COSObject;
/**
* The explicit reference to a destination in a PDF document, consisting of a
* page and a definition of the rectangle to be displayed.
*/
public class PDExplicitDestination extends PDDestination {
/**
* The meta class implementation
*/
public static class MetaClass extends PDDestination.MetaClass {
protected MetaClass(Class instanceClass) {
super(instanceClass);
}
@Override
protected COSBasedObject doCreateCOSBasedObject(COSObject object) {
return new PDExplicitDestination(object);
}
}
/**
* The meta class instance
*/
public static final MetaClass META = new MetaClass(MetaClass.class.getDeclaringClass());
public static final COSName CN_DISPLAY_MODE_XYZ = COSName.constant("XYZ");
public static final COSName CN_DISPLAY_MODE_Fit = COSName.constant("Fit");
public static final COSName CN_DISPLAY_MODE_FitH = COSName.constant("FitH");
public static final COSName CN_DISPLAY_MODE_FitV = COSName.constant("FitV");
public static final COSName CN_DISPLAY_MODE_FitR = COSName.constant("FitR");
public static final COSName CN_DISPLAY_MODE_FitB = COSName.constant("FitB");
public static final COSName CN_DISPLAY_MODE_FitBH = COSName.constant("FitBH");
public static final COSName CN_DISPLAY_MODE_FitBV = COSName.constant("FitBV");
protected PDExplicitDestination(COSObject object) {
super(object);
}
public COSName getDisplayMode() {
COSArray definition = cosGetArray();
if (definition.size() < 2) {
return null;
}
return definition.get(1).asName();
}
/**
* The destination page. ATTENTION: it is common have dangling destinations
* to invalid (null) pages around!
*
* @return The destination page. Be sure to handle null return values.
*/
public PDPage getPage(PDDocument doc) {
COSArray definition = cosGetArray();
COSObject page = definition.get(0);
if (page.asNumber() != null) {
int pageIndex = page.asNumber().intValue();
return doc.getPageTree().getPageAt(pageIndex);
}
if (page.asDictionary() != null) {
return (PDPage) PDPageNode.META.createFromCos(page.asDictionary());
}
return null;
}
public float[] getParameters() {
COSArray definition = cosGetArray();
int size = definition.size() - 2;
if (size < 0) {
return new float[0];
}
float[] result = new float[size];
for (int i = 0; i < size; i++) {
COSNumber param = definition.get(i + 2).asNumber();
if (param == null) {
result[i] = 0;
} else {
result[i] = param.floatValue();
}
}
return result;
}
/*
* (non-Javadoc)
*
* @see
* de.intarsys.pdf.pd.PDDestination#getResolvedDestination(de.intarsys.pdf
* .pd.PDDoc)
*/
@Override
public PDExplicitDestination getResolvedDestination(PDDocument doc) {
return this;
}
public void setDisplayMode(COSName mode) {
COSArray definition = cosGetArray();
if (definition.isEmpty()) {
definition.add(COSNull.NULL);
definition.add(mode);
} else if (definition.size() == 1) {
definition.add(mode);
} else {
definition.set(1, mode);
}
}
public void setPage(PDPage page) {
COSArray definition = cosGetArray();
if (definition.isEmpty()) {
definition.add(page.cosGetObject());
} else {
definition.set(0, page.cosGetObject());
}
}
public void setParameters(double[] parameters) {
COSArray definition = cosGetArray();
while (definition.size() < (2 + parameters.length)) {
definition.add(COSNull.NULL);
}
for (int i = 0; i < parameters.length; i++) {
definition.set(i + 2, COSFixed.create(parameters[i]));
}
}
public void setParameters(float[] parameters) {
COSArray definition = cosGetArray();
while (definition.size() < (2 + parameters.length)) {
definition.add(COSNull.NULL);
}
for (int i = 2; i < (2 + parameters.length); i++) {
definition.set(i, COSFixed.create(parameters[i]));
}
}
}