Re: convert html to jpeg

From:
"tmargreiter" <tmargreiter@THRWHITE.remove-dii-this>
Newsgroups:
comp.lang.java.gui
Date:
Wed, 27 Apr 2011 15:49:53 GMT
Message-ID:
<fe0888ff-c4b1-4d6d-9138-70e6a3f5e8fb@d45g2000hsc.googlegroups.com>
  To: comp.lang.java.gui
On 8 Okt., 16:18, "John B. Matthews" <nos...@nospam.invalid> wrote:

In article
<29f57824-3f81-4180-878d-bfae4c160...@n1g2000prb.googlegroups.com>,

 tmargreiter <t.margrei...@gmail.com> wrote:

On 7 Okt., 20:02, "John B. Matthews" <nos...@nospam.invalid> wrote:

In article
<39d7474a-198c-4a26-90bd-e0618b44d...@u57g2000hsf.googlegroups.com>,

[...]

An <http://pscode.org/sscce.html> might be helpful.

[...]

[I] want to make a html-archiver. [T]his means the process works in
background and makes periodically a copy of some parametrized html-
sites, while the user works in foreground. [T]his is why[I] cannot
set some jvm-options for headless.


Clearly, the presence of a user precludes the need for the headless
option.

[W]hen [I] make a Thread.sleep(2000) before the imageIO command[I] get
the right output! [I]s there a way to find out when the image is
rendered ?


Yes, add an IIOReadProgressListener:

<http://java.sun.com/javase/6/docs/api/javax/imageio/event/IIOReadProgres
sListener.html>
<http://java.sun.com/j2se/1.4.2/docs/guide/imageio/spec/apps.fm7.html>

--
John B. Matthews
trashgod at gmail dot com
home dot woh dot rr dot com slash jbmatthews


thank's for your help !
but i don't know how to do this ... here is a small runnable example
with Thread.sleep() ... but i want
toremove this Thread.sleep lines !

another problem is the javascriptCode ... is there a way to render the
html-site in a correct way ?

package info.margreiter.HTML2JPG;

import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;

import javax.imageio.ImageIO;
import javax.swing.JDialog;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JScrollPane;

public class HTMLReader {

    /**
     * @param args
     */
    public static void main(String[] args) {
        try {
        URL myURL;
            myURL = new URL("http://www.google.de/");
        JFrame frame=new JFrame();
        JScrollPane scrollPane=new JScrollPane();
        JEditorPane tp1=new JEditorPane();
        frame.getContentPane().add(scrollPane);
        scrollPane.getViewport().add(tp1);
        tp1.setPage(myURL);
        frame.validate();
        Thread.sleep(1000);
        Dimension prefSize = tp1.getPreferredSize();
        tp1.setSize(prefSize);
        Thread.sleep(1000);
        BufferedImage img = new BufferedImage(prefSize.width,
prefSize.height, BufferedImage.TYPE_INT_RGB);
        Graphics graphics=img.createGraphics();
        tp1.paint(graphics);
        ImageIO.write(img, "jpeg", new File("c:\\tom.jpg"));
        System.exit(0);
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}

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