Dépôt officiel du code source de l'ERP OpenConcerto

package org.openconcerto.modules.label.graphicspl;

import java.awt.Color;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.image.BufferedImage;

import java.awt.print.PageFormat;

import java.awt.print.Printable;

import java.awt.print.PrinterException;

import java.awt.print.PrinterJob;

import java.io.ByteArrayInputStream;

import java.io.File;

import java.io.IOException;

import java.nio.charset.StandardCharsets;

import java.nio.file.Files;

import javax.imageio.ImageIO;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import org.xml.sax.SAXException;

public class GraphicsPL {

    private String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><graphicspl height=\"400\" width=\"600\"/>";

    private Document doc;

    private File imgDir;

    public static void main(String[] args) throws Exception {

        GraphicsPL g = new GraphicsPL();

        g.load(new File("Template/Labels/test.graphicspl"));

        BufferedImage img = g.createImage(10);

        ImageIO.write(img, "png", new File("gpl.png"));

        String zpl = g.getZPL();

        System.out.println(zpl);

        Printable p = g.createPrintable();

        PrinterJob job = PrinterJob.getPrinterJob();

        job.setPrintable(p);

        boolean ok = job.printDialog();

        if (ok) {

            job.print();

        }

    }

    public Printable createPrintable() {

        final Element root = this.doc.getDocumentElement();

        int dpi = 300;

        if (root.hasAttribute("dpi")) {

            dpi = Integer.parseInt(root.getAttribute("dpi"));

        }

        float printRatio = 1f;

        if (root.hasAttribute("printratio")) {

            printRatio = Float.parseFloat(root.getAttribute("printratio"));

        }

        return createPrintable(dpi, printRatio);

    }

    public Printable createPrintable(int dpi, float printRatio) {

        return new Printable() {

            @Override

            public int print(Graphics graphics, PageFormat pf, int pageIndex) throws PrinterException {

                if (pageIndex > 0) {

                    return NO_SUCH_PAGE;

                }

                final Element root = GraphicsPL.this.doc.getDocumentElement();

                final int width = Math.round(printRatio * Integer.parseInt(root.getAttribute("width")));

                final int height = Math.round(printRatio * Integer.parseInt(root.getAttribute("height")));

                final Graphics2D g2d = (Graphics2D) graphics;

                float ratio = (printRatio * dpi) / 72f;

                try {

                    final BufferedImage img = createImage(ratio);

                    g2d.drawImage(img, (int) Math.round(pf.getImageableX()), (int) Math.round(pf.getImageableY()), width, height, null);

                } catch (ParserConfigurationException | SAXException | IOException e) {

                    e.printStackTrace();

                    throw new PrinterException(e.getMessage());

                }

                return PAGE_EXISTS;

            }

        };

    }

    public String getZPL() throws IOException {

        final ZPLRenderer renderer = new ZPLRenderer();

        renderer.render(this);

        return renderer.getZPL();

    }

    public BufferedImage createImage(float ratio) throws ParserConfigurationException, SAXException, IOException {

        final Element root = this.doc.getDocumentElement();

        final int width = Math.round(ratio * Integer.parseInt(root.getAttribute("width")));

        final int height = Math.round(ratio * Integer.parseInt(root.getAttribute("height")));

        final BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

        final Graphics2D graphics = (Graphics2D) img.getGraphics();

        graphics.setColor(Color.WHITE);

        graphics.fillRect(0, 0, width, height);

        final Graphics2DRenderer renderer = new Graphics2DRenderer(graphics, ratio);

        renderer.render(this);

        graphics.dispose();

        return img;

    }

    public Document getDocument() {

        return this.doc;

    }

    public void load(File file) throws ParserConfigurationException, SAXException, IOException {

        this.xml = new String(Files.readAllBytes(file.toPath()));

        final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

        // factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);

        final DocumentBuilder builder = factory.newDocumentBuilder();

        final ByteArrayInputStream input = new ByteArrayInputStream(this.xml.getBytes(StandardCharsets.UTF_8));

        this.doc = builder.parse(input);

        this.doc.getDocumentElement().normalize();

        this.imgDir = file.getParentFile();

    }

    public void load(String str, File imageDir) throws ParserConfigurationException, SAXException, IOException {

        this.xml = str;

        final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

        // factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);

        final DocumentBuilder builder = factory.newDocumentBuilder();

        final ByteArrayInputStream input = new ByteArrayInputStream(this.xml.getBytes(StandardCharsets.UTF_8));

        this.doc = builder.parse(input);

        this.doc.getDocumentElement().normalize();

        this.imgDir = imageDir;

    }

    public File getImageDir() {

        return this.imgDir;

    }

    public void setImageDir(File dir) {

        this.imgDir = dir;

    }

}