Export.java

package net.sourceforge.fidocadj.circuit.views;

import java.io.*;

import net.sourceforge.fidocadj.graphic.*;
import net.sourceforge.fidocadj.circuit.model.*;
import net.sourceforge.fidocadj.export.*;
import net.sourceforge.fidocadj.geom.*;
import net.sourceforge.fidocadj.layers.*;
import net.sourceforge.fidocadj.primitives.*;

/** Export: export the FidoCadJ drawing. This is a view of the drawing.

    <pre>
    This file is part of FidoCadJ.

    FidoCadJ is 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, either version 3 of the License, or
    (at your option) any later version.

    FidoCadJ 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 FidoCadJ. If not,
    @see <a href=http://www.gnu.org/licenses/>http://www.gnu.org/licenses/</a>.

    Copyright 2007-2014 by Davide Bucci
    </pre>
*/
public class Export
{
    private final DrawingModel dmp;

    // Border to be used in the export in logical coordinates
    public static final int exportBorder=6;

    /** Creator
        @param pp the model containing the drawing to be exported.
    */
    public Export(DrawingModel pp)
    {
        dmp=pp;
    }

    /** Export the file using the given interface.

        @param exp the selected exporting interface.
        @param header specify if an header and a tail should be written or not.
        @param exportInvisible specify that the primitives on invisible layers
            should be exported.
        @param mp the coordinate mapping system to adopt.
        @throws IOException when things goes wrong, for example because there
            has been a memory error or when access to files is impossible.
    */
    public void exportDrawing(ExportInterface exp, boolean header,
        boolean exportInvisible, MapCoordinates mp)
        throws IOException
    {
        int l;
        int i;
        int j;

        GraphicPrimitive g;
        // If it is needed, we should write the header of the file. This is
        // not to be done for example when we are exporting a macro and this
        // routine is called recursively.
        synchronized(this) {
            if (header) {
                PointG o=new PointG(0,0);
                DimensionG d = DrawingSize.getImageSize(dmp, 1, true,o);
                d.width+=exportBorder;
                d.height+=exportBorder;
                // We remeber that getImageSize works only with logical
                // coordinates so we may trasform them:

                d.width *= mp.getXMagnitude();
                d.height *= mp.getYMagnitude();

                // We finally write the header
                exp.exportStart(d, dmp.layerV, mp.getXGridStep());
            }

            if(dmp.drawOnlyLayer>=0 && !dmp.drawOnlyPads){
                for (i=0; i<dmp.getPrimitiveVector().size(); ++i){
                    g=(GraphicPrimitive)dmp.getPrimitiveVector().get(i);
                    l=g.getLayer();
                    if(l==dmp.drawOnlyLayer &&
                        !(g instanceof PrimitiveMacro))
                    {
                        if(((LayerDesc)(dmp.layerV.get(l))).isVisible||
                            exportInvisible)
                            g.export(exp, mp);

                    } else if(g instanceof PrimitiveMacro) {
                        ((PrimitiveMacro)g).setDrawOnlyLayer(dmp.drawOnlyLayer);
                        ((PrimitiveMacro)g).setExportInvisible(exportInvisible);

                        if(((LayerDesc)(dmp.layerV.get(l))).isVisible||
                            exportInvisible)
                        {
                            g.export(exp, mp);
                        }
                    }
                }
                return;
            } else if (!dmp.drawOnlyPads) {
                for(j=0;j<dmp.layerV.size(); ++j) {
                    for (i=0; i<dmp.getPrimitiveVector().size(); ++i){

                        g=(GraphicPrimitive)dmp.getPrimitiveVector().get(i);
                        l=g.getLayer();

                        if(l==j && !(g instanceof PrimitiveMacro)){
                            if(((LayerDesc)(dmp.layerV.get(l))).isVisible||
                                exportInvisible)
                            {
                                g.export(exp, mp);
                            }
                        } else if(g instanceof PrimitiveMacro) {
                            ((PrimitiveMacro)g).setDrawOnlyLayer(j);
                            ((PrimitiveMacro)g).setExportInvisible(
                                exportInvisible);

                            if(((LayerDesc)(dmp.layerV.get(l))).isVisible||
                                exportInvisible)
                            {
                                g.export(exp, mp);
                            }
                        }
                    }
                }
            }

            // Export in a second time only the PCB pads, in order to ensure
            // that the drills are always open.

            for (i=0; i<dmp.getPrimitiveVector().size(); ++i){
                if ((g=(GraphicPrimitive)dmp.getPrimitiveVector().get(i))
                    instanceof PrimitivePCBPad)
                {
                    ((PrimitivePCBPad)g).setDrawOnlyPads(true);
                    l=g.getLayer();
                    if(((LayerDesc)(dmp.layerV.get(l))).isVisible
                        ||exportInvisible)
                    {
                        g.export(exp, mp);
                    }
                    ((PrimitivePCBPad)g).setDrawOnlyPads(false);
                } else if (g instanceof PrimitiveMacro) {
                    // Uhm... not beautiful
                    ((PrimitiveMacro)g).setExportInvisible(exportInvisible);
                    ((PrimitiveMacro)g).setDrawOnlyPads(true);
                    l=g.getLayer();
                    if(((LayerDesc)(dmp.layerV.get(l))).isVisible
                        ||exportInvisible)
                    {
                        g.export(exp, mp);
                    }
                    ((PrimitiveMacro)g).setDrawOnlyPads(false);
                    ((PrimitiveMacro)g).resetExport();
                }
            }
            if (header)
                exp.exportEnd();
        }
    }
}