JTikZ: A Drop-in Replacement for Java's AWT Graphics Library that Renders TikZ

Dear all,

I often write simulations in Java, usually including some
visualizations.  I often want to use some of these visualizations as
figures in my papers.  Using screenshots is obviously not desirable
since that would produce a raster image when the original was vector.

Therefore, over the weekend I wrote a small Java library that extends
off of java.awt.Graphics2D.  My class, called TikzGraphics2D, can be
passed to any window's paint() function and will output human readable
TikZ/PGF code that can be cut/pasted into a document.

It's still in the early stages of development, but it currently
supports lines, shapes/polygons, ellipses, colors, alpha, arcs,
curves/splines, and text.

Here's an example:

    public void paint(Graphics g) {
        g.drawOval(3, 10, 5, 30);
        g.setColor(Color.RED);
        g.drawLine(1, 2, 3, 4);
        g.setColor(Color.BLUE);
        g.drawString("This is a test!",3, 10);
        g.setColor(new Color(128, 128, 255, 128));
        g.fillArc(5, 11, 30, 30, 120, 90);
    }

produces:

    \definecolor{color0}{rgb}{1.0,0.0,0.0}
    \definecolor{color1}{rgb}{0.0,0.0,1.0}
    \definecolor{color2}{rgb}{0.5,0.5,1.0}
    \begin{tikzpicture}[yscale=-1]
        \draw (5.5px, 25.0px) ellipse (2.5px and 15.0px);
        \draw[color0] (1px, 2px) -- (3px, 4px);
        \node[anchor=south west,text=color1] at (3.0px, 10.0px) {This
is a test!};
        \fill[color2,opacity=0.5] (20.0px, 26.0px) -- (12.5px, 13.0px)
arc (-120:-210:15.0px and 15.0px) -- cycle;
    \end{tikzpicture}

I figured that this might be useful to others, so I started a
sourceforge project:

http://jtikz.sourceforge.net/

You can download and compile the code as follows:

$ svn co https://jtikz.svn.sourceforge.net/svnroot/jtikz jtikz
$ cd tikz
$ ant jar
$ java -jar lib/example.jar

I don't think it would take very much effort to make this library
fully featured and mature.  If and when it gets to that state, it
would not be very hard for someone to use it to write a Java-based
WYSIWYG TikZ editor.

Please let me know if you have any comments/suggestions or if you are
interested in contributing to the project.

Thanks!

    - Evan Sultanik

PhD Candidate
Department of Computer Science
Drexel University
http://www.cs.drexel.edu/~eas28/

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