/* 
 
Copyright 2006 Rene Grothmann, modified by Eric Hakenholz

This file is part of C.a.R. software.

    C.a.R. is a free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, version 3 of the License.

    C.a.R. is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
 
 package rene.zirkel.graphics;

import java.io.PrintWriter;

import rene.gui.Global;

public class LatexOutput {
	PrintWriter Out;
	double W, H;
	boolean DoubleDollar, Dollar, NoDollar;

	public LatexOutput(final PrintWriter out) {
		Out = out;
		DoubleDollar = Global.getParameter("options.doubledollar", true);
		Dollar = Global.getParameter("options.dollar", true);
		NoDollar = Global.getParameter("options.nodollar", false);
	}

	public void open(final double w, final double h, final double dpi,
			final String picfilename) {
		W = w;
		H = h;
		Out.println("\\setlength{\\unitlength}{" + (2.54 / dpi) + "cm}");
		Out.println("\\begin{picture}(" + round(w) + "," + round(h) + ")");
		final String s = picfilename.replace('\\', '/');
		Out.println("\\put(0,0){\\includegraphics[width="
				+ round(w / dpi * 2.54) + "cm]{" + s + "}}");
		Out.println("%\\put(0,0){\\includegraphics[width="
				+ round(w / dpi * 2.54) + "cm,bb=0 0 " + ((int) w) + " "
				+ ((int) h) + "]{" + s + "}}");
	}

	public void close() {
		Out.println("\\end{picture}");
		Out.close();
	}

	public boolean println(String s, final double x, final double y,
			final boolean force) {
		if (s.startsWith("$$")) {
			if (!DoubleDollar)
				return false;
			s = s.substring(1);
			if (s.endsWith("$$"))
				s = s.substring(0, s.length() - 1);
			if (!s.endsWith("$"))
				s = s + "$";
		} else if (!force && s.startsWith("$")) {
			if (!Dollar)
				return false;
			if (!s.endsWith("$"))
				s = s + "$";
		} else if (!force) {
			if (!NoDollar)
				return false;
		}
		// Out.println("\\put("+round(x)+","+round(H-y)+"){\\makebox(0,0)[lt]{"+s+"}}");
		Out.println("\\put(" + round(x) + "," + round(H - y) + "){" + s + "}");
		return true;
	}

	public boolean println(final String s, final double x, final double y) {
		return println(s, x, y, false);
	}

	public double round(final double x) {
		return Math.floor(x * 1000 + 0.5) / 1000;
	}

	public boolean printDollar() {
		return Dollar;
	}
}