package org.pdfclown.samples.cli;
import org.pdfclown.documents.Document;
import org.pdfclown.documents.Page;
import org.pdfclown.documents.contents.composition.AlignmentXEnum;
import org.pdfclown.documents.contents.composition.AlignmentYEnum;
import org.pdfclown.documents.contents.composition.BlockComposer;
import org.pdfclown.documents.contents.composition.PrimitiveComposer;
import org.pdfclown.documents.contents.entities.Image;
import org.pdfclown.documents.contents.fonts.StandardType1Font;
import org.pdfclown.files.File;
import java.awt.Dimension;
import java.awt.geom.Dimension2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
/**
This sample demonstrates <b>how to spacially manipulate an image object</b> within a PDF page.
@author Stefano Chizzolini (http://www.stefanochizzolini.it)
@version 0.1.0
*/
public class TransformationSample
extends Sample
{
private static final float Margin = 36;
@Override
public boolean run(
)
{
// 1. PDF file instantiation.
File file = new File();
Document document = file.getDocument();
// 2. Content creation.
populate(document);
// (boilerplate metadata insertion -- ignore it)
buildAccessories(document,"Transformation","graphics object transformation");
// 3. Serialize the PDF file!
serialize(file,false);
return true;
}
/**
Populates a PDF file with contents.
*/
private void populate(
Document document
)
{
Page page = new Page(document);
document.getPages().add(page);
Dimension2D pageSize = page.getSize();
PrimitiveComposer composer = new PrimitiveComposer(page);
{
BlockComposer blockComposer = new BlockComposer(composer);
blockComposer.setHyphenation(true);
blockComposer.begin(
new Rectangle2D.Double(
Margin,
Margin,
(float)pageSize.getWidth() - Margin * 2,
(float)pageSize.getHeight() - Margin * 2
),
AlignmentXEnum.Justify,
AlignmentYEnum.Top
);
StandardType1Font bodyFont = new StandardType1Font(
document,
StandardType1Font.FamilyEnum.Courier,
true,
false
);
composer.setFont(bodyFont,32);
blockComposer.showText("Transformation sample"); blockComposer.showBreak();
composer.setFont(bodyFont,16);
blockComposer.showText("Showing the GNU logo placed on the page center, rotated by 25 degrees clockwise.");
blockComposer.end();
}
// Showing the 'GNU' image...
{
// Instantiate a jpeg image object!
Image image = Image.get(
getInputPath() + java.io.File.separator + "images" + java.io.File.separator + "gnu.jpg"
); // Abstract image (entity).
// Show the image!
composer.showXObject(
image.toXObject(document),
new Point2D.Double(
(float)pageSize.getWidth() / 2,
(float)pageSize.getHeight() / 2
),
new Dimension(0,0),
AlignmentXEnum.Center,
AlignmentYEnum.Middle,
-25
);
}
composer.flush();
}
}