Am 14.11.2017 um 21:56 schrieb Tilman Hausherr <[email protected]>:
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.awt.print.PageFormat;
import java.awt.print.Pageable;
import java.awt.print.Paper;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
/**
*
* @author Tilman Hausherr
*/
public class PDFBox4010
{
int width = 284;
int height = 420;
public static void main(String[] args) throws IOException, PrinterException
{
new PDFBox4010().doStuff();
}
void doStuff() throws IOException, PrinterException
{
BufferedImage targetImage = new BufferedImage(width, height,
BufferedImage.TYPE_INT_RGB);
Graphics2D g = (Graphics2D) targetImage.getGraphics();
new Renderer().renderStuff(g, targetImage.getWidth(),
targetImage.getHeight());
g.dispose();
ImageIO.write(targetImage, "png", new File("output.png"));
PrinterJob job = PrinterJob.getPrinterJob();
job.setPageable(new MyPageable(new Renderer(), width, height));
if (job.printDialog())
{
job.print();
}
}
class Renderer
{
public void renderStuff(Graphics2D g, int width, int height)
{
// background
g.setColor(Color.white);
g.fillRect(0, 0, width, height);
BufferedImage img = new BufferedImage(303, 1,
BufferedImage.TYPE_BYTE_BINARY);
// barcode-like pattern on single pixel line
for (int i = 0; i < img.getWidth(); ++i)
{
img.setRGB(i, 0, (i / 2 % 3) == 0 ? 0 : 0xFFFFFF);
}
AffineTransform at = new AffineTransform(0, -1, 1, 0, 100, 300);
at.concatenate(new AffineTransform(109.08, 0, 0, 63, 0, 0));
at.scale(1.0 / img.getWidth(), -1 / img.getHeight());
at.translate(0, -img.getHeight());
// draw our "barcode"
g.drawImage(img, at, null);
}
}
class MyPageable implements Pageable
{
private final Renderer renderer;
private final int width;
private final int height;
MyPageable(Renderer renderer, int width, int height)
{
this.renderer = renderer;
this.width = width;
this.height = height;
}
@Override
public int getNumberOfPages()
{
return 1;
}
@Override
public PageFormat getPageFormat(int pageIndex) throws
IndexOutOfBoundsException
{
PageFormat format = new PageFormat();
Paper paper = new Paper();
paper.setSize(width, height);
format.setPaper(paper);
format.setOrientation(PageFormat.PORTRAIT);
return format;
}
@Override
public Printable getPrintable(int pageIndex) throws
IndexOutOfBoundsException
{
if (pageIndex > 1)
{
throw new IndexOutOfBoundsException();
}
return new Printable()
{
@Override
public int print(Graphics graphics, PageFormat pageFormat, int
pageIndex) throws PrinterException
{
if (pageIndex < 0 || pageIndex > 1)
{
return NO_SUCH_PAGE;
}
renderer.renderStuff((Graphics2D) graphics, (int)
pageFormat.getWidth(), (int) pageFormat.getHeight());
return PAGE_EXISTS;
}
};
}
}
}
