/****************************************************************************
** $Id: rs_filterjww.cpp,v 1.1.1.2 2010/02/08 11:58:24 zeronemo2007 Exp $
**
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
** This file is part of the qcadlib Library project.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid qcadlib Professional Edition licenses may use
** this file in accordance with the qcadlib Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.ribbonsoft.com for further details.
**
** Contact info@ribbonsoft.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/


#include "rs_filterjww.h"

#include <stdio.h>

#include "dl_attributes.h"
#include "dl_codes.h"
#include "dl_writer_ascii.h"

#include "rs_dimaligned.h"
#include "rs_dimangular.h"
#include "rs_dimdiametric.h"
#include "rs_dimlinear.h"
#include "rs_dimradial.h"
#include "rs_hatch.h"
#include "rs_image.h"
#include "rs_leader.h"
#include "rs_system.h"

#include <qtextcodec.h>

/**
 * Default constructor.
 *
 */
RS_FilterJWW::RS_FilterJWW()
                :RS_FilterInterface() {

        RS_DEBUG->print("RS_FilterJWW::RS_FilterJWW()");

        mtext = "";
        polyline = NULL;
        leader = NULL;
        hatch = NULL;
        hatchLoop = NULL;
        currentContainer = NULL;
        graphic = NULL;
		spline = NULL;
		splinePoints = NULL;
        //exportVersion = DL_Codes::VER_2002;
        //systemVariables.setAutoDelete(true);
        RS_DEBUG->print("RS_FilterJWW::RS_FilterJWW(): OK");
}

/**
 * Destructor.
 */
RS_FilterJWW::~RS_FilterJWW() {
        RS_DEBUG->print("RS_FilterJWW::~RS_FilterJWW()");
        RS_DEBUG->print("RS_FilterJWW::~RS_FilterJWW(): OK");
}



/**
 * Implementation of the method used for RS_Import to communicate
 * with this filter.
 *
 * @param g The graphic in which the entities from the file
 * will be created or the graphics from which the entities are
 * taken to be stored in a file.
 */
bool RS_FilterJWW::fileImport(RS_Graphic& g, const QString& file, RS2::FormatType /*type*/) {
        RS_DEBUG->print("RS_FilterJWW::fileImport");
        //RS_DEBUG->timestamp();

        RS_DEBUG->print("JWW Filter: importing file '%s'...", (const char*)QFile::encodeName(file));

        graphic = &g;
        currentContainer = graphic;
        this->file = file;

        RS_DEBUG->print("graphic->countLayers(): %d", graphic->countLayers());

        //graphic->setAutoUpdateBorders(false);
        RS_DEBUG->print("RS_FilterJWW::fileImport: reading file");
        bool success = jww.in((const char*)QFile::encodeName(file), this);
        RS_DEBUG->print("RS_FilterJWW::fileImport: reading file: OK");
        //graphic->setAutoUpdateBorders(true);

        if (success==false) {
                RS_DEBUG->print(RS_Debug::D_WARNING,
                                                "Cannot open JWW file '%s'.", (const char*)QFile::encodeName(file));
                return false;
        }

        RS_DEBUG->print("RS_FilterJWW::fileImport: adding variables");

        // add some variables that need to be there for JWW drawings:
        if (graphic->getVariableString("$DIMSTYLE", "").isEmpty()) {
                RS_DEBUG->print("RS_FilterJWW::fileImport: adding DIMSTYLE");
                graphic->addVariable("$DIMSTYLE", "Standard", 2);
                RS_DEBUG->print("RS_FilterJWW::fileImport: adding DIMSTYLE: OK");
        }
        RS_DEBUG->print("RS_FilterJWW::fileImport: adding variables: OK");

        RS_DEBUG->print("RS_FilterJWW::fileImport: updating inserts");
        graphic->updateInserts();
        RS_DEBUG->print("RS_FilterJWW::fileImport: updating inserts: OK");

        RS_DEBUG->print("RS_FilterJWW::fileImport OK");
        //RS_DEBUG->timestamp();

        return true;
}



/**
 * Implementation of the method which handles layers.
 */
void RS_FilterJWW::addLayer(const DL_LayerData& data) {
        RS_DEBUG->print("RS_FilterJWW::addLayer");
        RS_DEBUG->print("  adding layer: %s", data.name.c_str());

        RS_DEBUG->print("RS_FilterJWW::addLayer: creating layer");
////////////////////2006/06/05
        RS_Layer* layer = new RS_Layer(toNativeString(data.name.c_str(),getDXFEncoding()));
////////////////////
        RS_DEBUG->print("RS_FilterJWW::addLayer: set pen");
        layer->setPen(attributesToPen(attributes));
        //layer->setFlags(data.flags&0x07);

        RS_DEBUG->print("RS_FilterJWW::addLayer: flags");
        if (data.flags&0x01) {
                layer->freeze(true);
        }
        if (data.flags&0x04) {
                layer->lock(true);
        }

        RS_DEBUG->print("RS_FilterJWW::addLayer: add layer to graphic");
        graphic->addLayer(layer);
        RS_DEBUG->print("RS_FilterJWW::addLayer: OK");
}



/**
 * Implementation of the method which handles blocks.
 *
 * @todo Adding blocks to blocks (stack for currentContainer)
 */
void RS_FilterJWW::addBlock(const DL_BlockData& data) {

        RS_DEBUG->print("RS_FilterJWW::addBlock");

        RS_DEBUG->print("  adding block: %s", data.name.c_str());


        // Prevent special blocks (paper_space, model_space) from being added:
        if (QString(data.name.c_str()).toLower()!="*paper_space0" &&
                        QString(data.name.c_str()).toLower()!="*paper_space" &&
                        QString(data.name.c_str()).toLower()!="*model_space" &&
                        QString(data.name.c_str()).toLower()!="$paper_space0" &&
                        QString(data.name.c_str()).toLower()!="$paper_space" &&
                        QString(data.name.c_str()).toLower()!="$model_space") {

#ifndef RS_NO_COMPLEX_ENTITIES
                if (QString(data.name.c_str()).startsWith("__CE")) {
                        RS_EntityContainer* ec = new RS_EntityContainer();
                        ec->setLayer("0");
                        currentContainer = ec;
                        graphic->addEntity(ec);
                        //currentContainer->setLayer(graphic->findLayer("0"));
                }
                else {
#endif
                        RS_Vector bp(data.bpx, data.bpy);
//////////////////////////////2006/06/05
                        QString enc = RS_System::getEncoding(
                                                                variables.getString("$DWGCODEPAGE", "ANSI_1252"));
                        // get the codec for Japanese
                        QString blName = data.name.c_str();
                        QTextCodec *codec = QTextCodec::codecForName(enc.toLatin1());
                        if(codec!=NULL)
                                blName = codec->toUnicode(data.name.c_str());
//////////////////////////////
                        RS_Block* block =
                                new RS_Block(graphic,
                                                         RS_BlockData(blName, bp, false));
                        //block->setFlags(flags);

                        if (graphic->addBlock(block)) {
                                currentContainer = block;
                        }
#ifndef RS_NO_COMPLEX_ENTITIES

                }
#endif

        }
}



/**
 * Implementation of the method which closes blocks.
 */
void RS_FilterJWW::endBlock() {
        currentContainer = graphic;
}



/**
 * Implementation of the method which handles point entities.
 */
void RS_FilterJWW::addPoint(const DL_PointData& data) {
        RS_Vector v(data.x, data.y);

        RS_Point* entity = new RS_Point(currentContainer,
                                                                        RS_PointData(v));
        setEntityAttributes(entity, attributes);

        currentContainer->addEntity(entity);
}



/**
 * Implementation of the method which handles line entities.
 */
void RS_FilterJWW::addLine(const DL_LineData& data) {
        RS_DEBUG->print("RS_FilterJWW::addLine");

        RS_Vector v1(data.x1, data.y1);
        RS_Vector v2(data.x2, data.y2);

        RS_DEBUG->print("RS_FilterJWW::addLine: create line");

        if (currentContainer==NULL) {
                RS_DEBUG->print("RS_FilterJWW::addLine: currentContainer is NULL");
        }

        RS_Line* entity = new RS_Line(currentContainer,
                                                                  RS_LineData(v1, v2));
        RS_DEBUG->print("RS_FilterJWW::addLine: set attributes");
        setEntityAttributes(entity, attributes);

        RS_DEBUG->print("RS_FilterJWW::addLine: add entity");

        currentContainer->addEntity(entity);

        RS_DEBUG->print("RS_FilterJWW::addLine: OK");
}



/**
 * Implementation of the method which handles arc entities.
 *
 * @param angle1 Start angle in deg (!)
 * @param angle2 End angle in deg (!)
 */
void RS_FilterJWW::addArc(const DL_ArcData& data) {
        RS_DEBUG->print("RS_FilterJWW::addArc");
        //printf("LINE	 (%12.6f, %12.6f, %12.6f) (%12.6f, %12.6f, %12.6f)\n",
        //	   p1[0], p1[1], p1[2],
        //	   p2[0], p2[1], p2[2]);
        RS_Vector v(data.cx, data.cy);
        RS_ArcData d(v, data.radius,
                                 data.angle1/ARAD,
                                 data.angle2/ARAD,
                                 false);
        RS_Arc* entity = new RS_Arc(currentContainer, d);
        setEntityAttributes(entity, attributes);

        currentContainer->addEntity(entity);
}



/**
 * Implementation of the method which handles ellipse entities.
 *
 * @param angle1 Start angle in rad (!)
 * @param angle2 End angle in rad (!)
 */
void RS_FilterJWW::addEllipse(const DL_EllipseData& data) {
        RS_DEBUG->print("RS_FilterJWW::addEllipse");

        RS_Vector v1(data.cx, data.cy);
        RS_Vector v2(data.mx, data.my);

        RS_EllipseData ed(v1, v2,
                                          data.ratio,
                                          data.angle1,
                                          data.angle2,
                                          false);
        RS_Ellipse* entity = new RS_Ellipse(currentContainer, ed);
        setEntityAttributes(entity, attributes);

        currentContainer->addEntity(entity);
}



/**
 * Implementation of the method which handles circle entities.
 */
void RS_FilterJWW::addCircle(const DL_CircleData& data) {
        RS_DEBUG->print("RS_FilterJWW::addCircle");
        //printf("LINE	 (%12.6f, %12.6f, %12.6f) (%12.6f, %12.6f, %12.6f)\n",
        //	   p1[0], p1[1], p1[2],
        //	   p2[0], p2[1], p2[2]);

        RS_Vector v(data.cx, data.cy);
        RS_CircleData d(v, data.radius);
        RS_Circle* entity = new RS_Circle(currentContainer, d);
        setEntityAttributes(entity, attributes);

        currentContainer->addEntity(entity);
}



/**
 * Implementation of the method which handles polyline entities.
 */
void RS_FilterJWW::addPolyline(const DL_PolylineData& data) {
        RS_DEBUG->print("RS_FilterJWW::addPolyline");
        //RS_DEBUG->print("RS_FilterJWW::addPolyline()");
        RS_PolylineData d(RS_Vector(false),
                                          RS_Vector(false),
                                          data.flags&0x1);
        polyline = new RS_Polyline(currentContainer, d);
        setEntityAttributes(polyline, attributes);

        currentContainer->addEntity(polyline);
}



/**
 * Implementation of the method which handles polyline vertices.
 */
void RS_FilterJWW::addVertex(const DL_VertexData& data) {
        RS_DEBUG->print("RS_FilterJWW::addVertex(): %f/%f bulge: %f",
                                        data.x, data.y, data.bulge);

        RS_Vector v(data.x, data.y);

        if (polyline!=NULL) {
                polyline->addVertex(v, data.bulge);
        }
}



/**
 * Implementation of the method which handles splines.
 */
void RS_FilterJWW::addSpline(const DL_SplineData& data) {
        RS_DEBUG->print("RS_FilterJWW::addSpline: degree: %d", data.degree);

	if(data.degree == 2)
	{
		LC_SplinePointsData d(((data.flags&0x1)==0x1), true);
		splinePoints = new LC_SplinePoints(currentContainer, d);
		setEntityAttributes(splinePoints, attributes);
		currentContainer->addEntity(splinePoints);
		spline = NULL;
		return;
	}

        if (data.degree>=1 && data.degree<=3) {
                RS_SplineData d(data.degree, ((data.flags&0x1)==0x1));
                spline = new RS_Spline(currentContainer, d);
                setEntityAttributes(spline, attributes);

                currentContainer->addEntity(spline);
				splinePoints = NULL;
        } else {
                RS_DEBUG->print(RS_Debug::D_WARNING,
                        "RS_FilterJWW::addSpline: Invalid degree for spline: %d. "
                        "Accepted values are 1..3.", data.degree);
        }
}


/**
 * Implementation of the method which handles spline control points.
 */
void RS_FilterJWW::addControlPoint(const DL_ControlPointData& data) {
        RS_DEBUG->print("RS_FilterJWW::addControlPoint: %f/%f", data.x, data.y);

        RS_Vector v(data.x, data.y);

        if (spline!=NULL) {
                spline->addControlPoint(v);
                spline->update();
        }
        else if (splinePoints!=NULL) {
                splinePoints->addControlPoint(v);
                splinePoints->update();
        }
}



/**
 * Implementation of the method which handles inserts.
 */
void RS_FilterJWW::addInsert(const DL_InsertData& data) {

        RS_DEBUG->print("RS_FilterJWW::addInsert");

        if (QString(data.name.c_str()).left(3)=="A$C") {
                return;
        }

        RS_Vector ip(data.ipx, data.ipy);
        RS_Vector sc(data.sx, data.sy);
        RS_Vector sp(data.colSp, data.rowSp);

        //cout << "Insert: " << name << " " << ip << " " << cols << "/" << rows << endl;

        RS_InsertData d(data.name.c_str(),
                                        ip, sc, data.angle/ARAD,
                                        data.cols, data.rows,
                                        sp,
                                        NULL,
                                        RS2::NoUpdate);
        RS_Insert* entity = new RS_Insert(currentContainer, d);
        setEntityAttributes(entity, attributes);
        RS_DEBUG->print("  id: %d", entity->getId());
        //entity->update();
        currentContainer->addEntity(entity);
}



/**
 * Implementation of the method which handles text
 * chunks for MText entities.
 */
/**
 * Implementation of the method which handles text
 * chunks for MText entities.
 */
void RS_FilterJWW::addMTextChunk(const char* text) {
    RS_DEBUG->print("RS_FilterJWW::addMTextChunk: %s", text);
    mtext+=text;
}

/*
 * get teh encoding of the DXF files,
 * Acad versions >= 2007 are UTF-8, others in ANSI_1252
 */
QString RS_FilterJWW::getDXFEncoding() {

    QString acadver=variables.getString("$ACADVER", "");
    acadver.replace(QRegExp("[a-zA-Z]"), "");
    bool ok;
    int version=acadver.toInt(&ok);

    // >= ACAD2007
    if (ok && version >= 1021) {
        return RS_System::getEncoding("UTF-8");
    }

    // < ACAD2007
    QString codePage=variables.getString("$DWGCODEPAGE", "ANSI_1252");
    return RS_System::getEncoding(codePage);
}

/**
 * Implementation of the method which handles
 * multi texts (MTEXT).
 */
void RS_FilterJWW::addMText(const DL_MTextData& data) {
        RS_DEBUG->print("RS_FilterJWW::addMText: %s", data.text.c_str());

        RS_Vector ip(data.ipx, data.ipy);
        RS_MTextData::VAlign valign;
        RS_MTextData::HAlign halign;
        RS_MTextData::MTextDrawingDirection dir;
        RS_MTextData::MTextLineSpacingStyle lss;
        QString sty = data.style.c_str();

        if (data.attachmentPoint<=3) {
                valign=RS_MTextData::VATop;
        } else if (data.attachmentPoint<=6) {
                valign=RS_MTextData::VAMiddle;
        } else {
                valign=RS_MTextData::VABottom;
        }

        if (data.attachmentPoint%3==1) {
                halign=RS_MTextData::HALeft;
        } else if (data.attachmentPoint%3==2) {
                halign=RS_MTextData::HACenter;
        } else {
                halign=RS_MTextData::HARight;
        }

        if (data.drawingDirection==1) {
                dir = RS_MTextData::LeftToRight;
        } else if (data.drawingDirection==3) {
                dir = RS_MTextData::TopToBottom;
        } else {
                dir = RS_MTextData::ByStyle;
        }

        if (data.lineSpacingStyle==1) {
                lss = RS_MTextData::AtLeast;
        } else {
                lss = RS_MTextData::Exact;
        }

    mtext+=data.text.c_str();
    mtext = toNativeString(mtext.toLocal8Bit().data(), getDXFEncoding());

        // use default style for the drawing:
        if (sty.isEmpty()) {
                // japanese, cyrillic:
                QString codepage = variables.getString("$DWGCODEPAGE", "ANSI_1252");
                if (codepage=="ANSI_932" || codepage=="ANSI_1251") {
                        sty = "Unicode";
                } else {
                        sty = variables.getString("$TEXTSTYLE", "Standard");
                }
        }

        RS_DEBUG->print("Text as unicode:");
        RS_DEBUG->printUnicode(mtext);

        RS_MTextData d(ip, data.height, data.width,
                                  valign, halign,
                                  dir, lss,
                                  data.lineSpacingFactor,
                                  mtext, sty, data.angle,
                                  RS2::NoUpdate);
        RS_MText* entity = new RS_MText(currentContainer, d);

        setEntityAttributes(entity, attributes);
        entity->update();
        currentContainer->addEntity(entity);

        mtext = "";
}



/**
 * Implementation of the method which handles
 * texts (TEXT).
 */
void RS_FilterJWW::addText(const DL_TextData& data) {
        RS_DEBUG->print("RS_FilterJWW::addText");
        int attachmentPoint;
        RS_Vector refPoint;
        double angle = data.angle;

        // TODO: check, maybe implement a separate TEXT instead of using MTEXT

        // baseline has 5 vertical alignment modes:
        if (data.vJustification!=0 || data.hJustification!=0) {
                switch (data.hJustification) {
                default:
                case 0: // left aligned
                        attachmentPoint = 1;
                        refPoint = RS_Vector(data.apx, data.apy);
                        break;
                case 1: // centered
                        attachmentPoint = 2;
                        refPoint = RS_Vector(data.apx, data.apy);
                        break;
                case 2: // right aligned
                        attachmentPoint = 3;
                        refPoint = RS_Vector(data.apx, data.apy);
                        break;
                case 3: // aligned (TODO)
                        attachmentPoint = 2;
                        refPoint = RS_Vector((data.ipx+data.apx)/2.0,
                                                                 (data.ipy+data.apy)/2.0);
                        angle =
                                RS_Vector(data.ipx, data.ipy).angleTo(
                                        RS_Vector(data.apx, data.apy));
                        break;
                case 4: // Middle (TODO)
                        attachmentPoint = 2;
                        refPoint = RS_Vector(data.apx, data.apy);
                        break;
                case 5: // fit (TODO)
                        attachmentPoint = 2;
                        refPoint = RS_Vector((data.ipx+data.apx)/2.0,
                                                                 (data.ipy+data.apy)/2.0);
                        angle =
                                RS_Vector(data.ipx, data.ipy).angleTo(
                                        RS_Vector(data.apx, data.apy));
                        break;
                }

                switch (data.vJustification) {
                default:
                case 0: // baseline
                case 1: // bottom
                        attachmentPoint += 6;
                        break;

                case 2: // middle
                        attachmentPoint += 3;
                        break;

                case 3: // top
                        break;
                }
        } else {
                //attachmentPoint = (data.hJustification+1)+(3-data.vJustification)*3;
                attachmentPoint = 7;
                refPoint = RS_Vector(data.ipx, data.ipy);
        }

        int drawingDirection = 5;
        double width = 100.0;

        mtext = "";
        addMText(DL_MTextData(
                                 refPoint.x,
                                 refPoint.y,
#ifdef  RS_VECTOR2D
                                 0.,
#else
                                 refPoint.z,
#endif
                                 data.height, width,
                                 attachmentPoint,
                                 drawingDirection,
                                 RS_MTextData::Exact,
                                 1.0,
                                 data.text.c_str(), data.style,
                                 angle));
}



/**
 * Implementation of the method which handles
 * dimensions (DIMENSION).
 */
RS_DimensionData RS_FilterJWW::convDimensionData(
        const DL_DimensionData& data) {

        RS_Vector defP(data.dpx, data.dpy);
        RS_Vector midP(data.mpx, data.mpy);
        RS_MTextData::VAlign valign;
        RS_MTextData::HAlign halign;
        RS_MTextData::MTextLineSpacingStyle lss;
        QString sty = data.style.c_str();
        QString t; //= data.text;

        // middlepoint of text can be 0/0 which is considered to be invalid (!):
        //  0/0 because older QCad versions save the middle of the text as 0/0
        //  althought they didn't suport saving of the middle of the text.
        if (fabs(data.mpx)<1.0e-6 && fabs(data.mpy)<1.0e-6) {
                midP = RS_Vector(false);
        }

        if (data.attachmentPoint<=3) {
                valign=RS_MTextData::VATop;
        } else if (data.attachmentPoint<=6) {
                valign=RS_MTextData::VAMiddle;
        } else {
                valign=RS_MTextData::VABottom;
        }

        if (data.attachmentPoint%3==1) {
                halign=RS_MTextData::HALeft;
        } else if (data.attachmentPoint%3==2) {
                halign=RS_MTextData::HACenter;
        } else {
                halign=RS_MTextData::HARight;
        }

        if (data.lineSpacingStyle==1) {
                lss = RS_MTextData::AtLeast;
        } else {
                lss = RS_MTextData::Exact;
        }

        t = toNativeString(data.text.c_str(), getDXFEncoding());

        if (sty.isEmpty()) {
                sty = variables.getString("$DIMSTYLE", "Standard");
        }

        RS_DEBUG->print("Text as unicode:");
        RS_DEBUG->printUnicode(t);

        // data needed to add the actual dimension entity
        return RS_DimensionData(defP, midP,
                                                        valign, halign,
                                                        lss,
                                                        data.lineSpacingFactor,
                                                        t, sty, data.angle);
}



/**
 * Implementation of the method which handles
 * aligned dimensions (DIMENSION).
 */
void RS_FilterJWW::addDimAlign(const DL_DimensionData& data,
                                                           const DL_DimAlignedData& edata) {
        RS_DEBUG->print("RS_FilterJWW::addDimAligned");

        RS_DimensionData dimensionData = convDimensionData(data);

        RS_Vector ext1(edata.epx1, edata.epy1);
        RS_Vector ext2(edata.epx2, edata.epy2);

        RS_DimAlignedData d(ext1, ext2);

        RS_DimAligned* entity = new RS_DimAligned(currentContainer,
                                                        dimensionData, d);
        setEntityAttributes(entity, attributes);
        entity->update();
        currentContainer->addEntity(entity);
}



/**
 * Implementation of the method which handles
 * linear dimensions (DIMENSION).
 */
void RS_FilterJWW::addDimLinear(const DL_DimensionData& data,
                                                                const DL_DimLinearData& edata) {
        RS_DEBUG->print("RS_FilterJWW::addDimLinear");

        RS_DimensionData dimensionData = convDimensionData(data);

        RS_Vector dxt1(edata.dpx1, edata.dpy1);
        RS_Vector dxt2(edata.dpx2, edata.dpy2);

        RS_DimLinearData d(dxt1, dxt2, RS_Math::deg2rad(edata.angle),
                                           RS_Math::deg2rad(edata.oblique));

        RS_DimLinear* entity = new RS_DimLinear(currentContainer,
                                                                                        dimensionData, d);
        setEntityAttributes(entity, attributes);
        entity->update();
        currentContainer->addEntity(entity);
}



/**
 * Implementation of the method which handles
 * radial dimensions (DIMENSION).
 */
void RS_FilterJWW::addDimRadial(const DL_DimensionData& data,
                                                                const DL_DimRadialData& edata) {
        RS_DEBUG->print("RS_FilterJWW::addDimRadial");

        RS_DimensionData dimensionData = convDimensionData(data);
        RS_Vector dp(edata.dpx, edata.dpy);

        RS_DimRadialData d(dp, edata.leader);

        RS_DimRadial* entity = new RS_DimRadial(currentContainer,
                                                                                        dimensionData, d);

        setEntityAttributes(entity, attributes);
        entity->update();
        currentContainer->addEntity(entity);
}



/**
 * Implementation of the method which handles
 * diametric dimensions (DIMENSION).
 */
void RS_FilterJWW::addDimDiametric(const DL_DimensionData& data,
                                                                   const DL_DimDiametricData& edata) {
        RS_DEBUG->print("RS_FilterJWW::addDimDiametric");

        RS_DimensionData dimensionData = convDimensionData(data);
        RS_Vector dp(edata.dpx, edata.dpy);

        RS_DimDiametricData d(dp, edata.leader);

        RS_DimDiametric* entity = new RS_DimDiametric(currentContainer,
                                                          dimensionData, d);

        setEntityAttributes(entity, attributes);
        entity->update();
        currentContainer->addEntity(entity);
}



/**
 * Implementation of the method which handles
 * angular dimensions (DIMENSION).
 */
void RS_FilterJWW::addDimAngular(const DL_DimensionData& data,
                                                                 const DL_DimAngularData& edata) {
        RS_DEBUG->print("RS_FilterJWW::addDimAngular");

        RS_DimensionData dimensionData = convDimensionData(data);
        RS_Vector dp1(edata.dpx1, edata.dpy1);
        RS_Vector dp2(edata.dpx2, edata.dpy2);
        RS_Vector dp3(edata.dpx3, edata.dpy3);
        RS_Vector dp4(edata.dpx4, edata.dpy4);

        RS_DimAngularData d(dp1, dp2, dp3, dp4);

        RS_DimAngular* entity = new RS_DimAngular(currentContainer,
                                                        dimensionData, d);

        setEntityAttributes(entity, attributes);
        entity->update();
        currentContainer->addEntity(entity);
}



/**
 * Implementation of the method which handles
 * angular dimensions (DIMENSION).
 */
void RS_FilterJWW::addDimAngular3P(const DL_DimensionData& data,
                                                                   const DL_DimAngular3PData& edata) {
        RS_DEBUG->print("RS_FilterJWW::addDimAngular3P");

        RS_DimensionData dimensionData = convDimensionData(data);
        RS_Vector dp1(edata.dpx3, edata.dpy3);
        RS_Vector dp2(edata.dpx1, edata.dpy1);
        RS_Vector dp3(edata.dpx3, edata.dpy3);
        RS_Vector dp4 = dimensionData.definitionPoint;
        dimensionData.definitionPoint = RS_Vector(edata.dpx2, edata.dpy2);

        RS_DimAngularData d(dp1, dp2, dp3, dp4);

        RS_DimAngular* entity = new RS_DimAngular(currentContainer,
                                                        dimensionData, d);

        setEntityAttributes(entity, attributes);
        entity->update();
        currentContainer->addEntity(entity);
}



/**
 * Implementation of the method which handles leader entities.
 */
void RS_FilterJWW::addLeader(const DL_LeaderData& data) {
        RS_DEBUG->print("RS_FilterJWW::addDimLeader");
        //RS_DEBUG->print("RS_FilterJWW::addPolyline()");
        RS_LeaderData d(data.arrowHeadFlag==1);
        leader = new RS_Leader(currentContainer, d);
        setEntityAttributes(leader, attributes);

        currentContainer->addEntity(leader);
}



/**
 * Implementation of the method which handles leader vertices.
 */
void RS_FilterJWW::addLeaderVertex(const DL_LeaderVertexData& data) {
        RS_DEBUG->print("RS_FilterJWW::addLeaderVertex");
        //RS_DEBUG->print("RS_FilterJWW::addVertex() bulge: %f", bulge);

        RS_Vector v(data.x, data.y);

        if (leader!=NULL) {
                leader->addVertex(v);
        }
}



/**
 * Implementation of the method which handles hatch entities.
 */
void RS_FilterJWW::addHatch(const DL_HatchData& data) {
        RS_DEBUG->print("RS_FilterJWW::addHatch()");

        hatch = new RS_Hatch(currentContainer,
                                                 RS_HatchData(data.solid,
                                                                          data.scale,
                                                                          data.angle,
                                                                          QString(data.pattern.c_str())));
        setEntityAttributes(hatch, attributes);

        currentContainer->addEntity(hatch);
}



/**
 * Implementation of the method which handles hatch loops.
 */
void RS_FilterJWW::addHatchLoop(const DL_HatchLoopData& /*data*/) {
        RS_DEBUG->print("RS_FilterJWW::addHatchLoop()");
        if (hatch!=NULL) {
                hatchLoop = new RS_EntityContainer(hatch);
                hatchLoop->setLayer(NULL);
                hatch->addEntity(hatchLoop);
        }
}



/**
 * Implementation of the method which handles hatch edge entities.
 */
void RS_FilterJWW::addHatchEdge(const DL_HatchEdgeData& data) {
        RS_DEBUG->print("RS_FilterJWW::addHatchEdge()");

        if (hatchLoop!=NULL) {
                RS_Entity* e = NULL;
                switch (data.type) {
                case 1:
                        RS_DEBUG->print("RS_FilterJWW::addHatchEdge(): "
                                                        "line: %f,%f %f,%f",
                                                        data.x1, data.y1, data.x2, data.y2);
                        e = new RS_Line(hatchLoop,
                                                        RS_LineData(RS_Vector(data.x1, data.y1),
                                                                                RS_Vector(data.x2, data.y2)));
                        break;
                case 2:
                        if (data.ccw && data.angle1<1.0e-6 && data.angle2>2*M_PI-1.0e-6) {
                                e = new RS_Circle(hatchLoop,
                                                                  RS_CircleData(RS_Vector(data.cx, data.cy),
                                                                                                data.radius));
                        } else {
                                if (data.ccw) {
                                        e = new RS_Arc(
                                                        hatchLoop,
                                                        RS_ArcData(RS_Vector(data.cx, data.cy),
                                                                           data.radius,
                                                                           RS_Math::correctAngle(data.angle1),
                                                                           RS_Math::correctAngle(data.angle2),
                                                                           false));
                                } else {
                                        e = new RS_Arc(
                                                        hatchLoop,
                                                        RS_ArcData(RS_Vector(data.cx, data.cy),
                                                                           data.radius,
                                                                           RS_Math::correctAngle(2*M_PI-data.angle1),
                                                                           RS_Math::correctAngle(2*M_PI-data.angle2),
                                                                           true));
                                }
                        }
                        break;
                default:
                        break;
                }

                if (e!=NULL) {
                        e->setLayer(NULL);
                        hatchLoop->addEntity(e);
                }
        }
}



/**
 * Implementation of the method which handles image entities.
 */
void RS_FilterJWW::addImage(const DL_ImageData& data) {
        RS_DEBUG->print("RS_FilterJWW::addImage");

        RS_Vector ip(data.ipx, data.ipy);
        RS_Vector uv(data.ux, data.uy);
        RS_Vector vv(data.vx, data.vy);
        RS_Vector size(data.width, data.height);

        RS_Image* image =
                new RS_Image(
                        currentContainer,
                        RS_ImageData(QString(data.ref.c_str()).toInt(NULL, 16),
                                                 ip, uv, vv,
                                                 size,
                                                 QString(""),
                                                 data.brightness,
                                                 data.contrast,
                                                 data.fade));

        setEntityAttributes(image, attributes);
        currentContainer->addEntity(image);
}



/**
 * Implementation of the method which links image entities to image files.
 */
void RS_FilterJWW::linkImage(const DL_ImageDefData& data) {
        RS_DEBUG->print("RS_FilterJWW::linkImage");

        int handle = QString(data.ref.c_str()).toInt(NULL, 16);
        QString sfile(data.file.c_str());
        QFileInfo fiDxf(file);
        QFileInfo fiBitmap(sfile);

        // try to find the image file:

        // first: absolute path:
        if (!fiBitmap.exists()) {
                RS_DEBUG->print("File %s doesn't exist.",
                                                (const char*)QFile::encodeName(sfile));
                // try relative path:
                QString f1 = fiDxf.path() + "/" + sfile;
                if (QFileInfo(f1).exists()) {
                        sfile = f1;
                } else {
                        RS_DEBUG->print("File %s doesn't exist.", (const char*)QFile::encodeName(f1));
                        // try drawing path:
                        QString f2 = fiDxf.path() + "/" + fiBitmap.fileName();
                        if (QFileInfo(f2).exists()) {
                                sfile = f2;
                        } else {
                                RS_DEBUG->print("File %s doesn't exist.", (const char*)QFile::encodeName(f2));
                        }
                }
        }

        // Also link images in subcontainers (e.g. inserts):
        for (RS_Entity* e=graphic->firstEntity(RS2::ResolveNone);
                        e!=NULL; e=graphic->nextEntity(RS2::ResolveNone)) {
                if (e->rtti()==RS2::EntityImage) {
                        RS_Image* img = (RS_Image*)e;
                        if (img->getHandle()==handle) {
                                img->setFile(sfile);
                                RS_DEBUG->print("image found: %s", (const char*)QFile::encodeName(img->getFile()));
                                img->update();
                        }
                }
        }

        // update images in blocks:
        for (unsigned i=0; i<graphic->countBlocks(); ++i) {
                RS_Block* b = graphic->blockAt(i);
                for (RS_Entity* e=b->firstEntity(RS2::ResolveNone);
                                e!=NULL; e=b->nextEntity(RS2::ResolveNone)) {
                        if (e->rtti()==RS2::EntityImage) {
                                RS_Image* img = (RS_Image*)e;
                                if (img->getHandle()==handle) {
                                        img->setFile(sfile);
                                        RS_DEBUG->print("image in block found: %s",
                                                                        (const char*)QFile::encodeName(img->getFile()));
                                        img->update();
                                }
                        }
                }
        }
        RS_DEBUG->print("linking image: OK");
}



/**
 * Finishes a hatch entity.
 */
void RS_FilterJWW::endEntity() {
        RS_DEBUG->print("RS_FilterJWW::endEntity");

        if (hatch!=NULL) {

                RS_DEBUG->print("hatch->update()");

                if (hatch->validate()) {
                        hatch->update();
                } else {
                        graphic->removeEntity(hatch);
                        RS_DEBUG->print(RS_Debug::D_ERROR,
                                                        "RS_FilterJWW::endEntity(): updating hatch failed: invalid hatch area");
                }
                hatch=NULL;
        }
}

void RS_FilterJWW::add3dFace(const DL_3dFaceData& /*data*/) {
    RS_DEBUG->print("RS_FilterDXF::add3dFace(const DL_3dFaceData& data) not yet implemented");
}
void RS_FilterJWW::addDimOrdinate(const DL_DimensionData&, const DL_DimOrdinateData&) {
    RS_DEBUG->print("RS_FilterDXF::addDimOrdinate(const DL_DimensionData&, const DL_DimOrdinateData&) not yet implemented");
}
void RS_FilterJWW::addComment(const char*) {
    RS_DEBUG->print("RS_FilterDXF::addComment(const char*) not yet implemented.");
}

/**
 * Sets a vector variable from the JWW file.
 */
void RS_FilterJWW::setVariableVector(const char* key,
                                                                         double v1, double v2, double v3, int code) {
        RS_DEBUG->print("RS_FilterJWW::setVariableVector");

        // update document's variable list:
        if (currentContainer->rtti()==RS2::EntityGraphic) {
                ((RS_Graphic*)currentContainer)->addVariable(QString(key),
#ifdef  RS_VECTOR2D
                                RS_Vector(v1, v2), code);
#else
                                RS_Vector(v1, v2, v3), code);
#endif
        }
}



/**
 * Sets a string variable from the JWW file.
 */
void RS_FilterJWW::setVariableString(const char* key,
                                                                         const char* value, int code) {
        RS_DEBUG->print("RS_FilterJWW::setVariableString");

        // update local JWW variable list:
        variables.add(QString(key), QString(value), code);

        // update document's variable list:
        if (currentContainer->rtti()==RS2::EntityGraphic) {
                ((RS_Graphic*)currentContainer)->addVariable(QString(key),
                                QString(value), code);
        }
}



/**
 * Sets an int variable from the JWW file.
 */
void RS_FilterJWW::setVariableInt(const char* key, int value, int code) {
        RS_DEBUG->print("RS_FilterJWW::setVariableInt");

        // update document's variable list:
        if (currentContainer->rtti()==RS2::EntityGraphic) {
                ((RS_Graphic*)currentContainer)->addVariable(QString(key),
                                value, code);
        }
}



/**
 * Sets a double variable from the JWW file.
 */
void RS_FilterJWW::setVariableDouble(const char* key, double value, int code) {
        RS_DEBUG->print("RS_FilterJWW::setVariableDouble");

        // update document's variable list:
        if (currentContainer->rtti()==RS2::EntityGraphic) {
                ((RS_Graphic*)currentContainer)->addVariable(QString(key),
                                value, code);
        }

}



/**
 * Implementation of the method used for RS_Export to communicate
 * with this filter.
 *
 * @param file Full path to the JWW file that will be written.
 */
bool RS_FilterJWW::fileExport(RS_Graphic& g, const QString& file, RS2::FormatType type) {

        RS_DEBUG->print("RS_FilterJWW::fileExport: exporting file '%s'...",
                                        (const char*)QFile::encodeName(file));
        RS_DEBUG->print("RS_FilterJWW::fileExport: file type '%d'", (int)type);

        this->graphic = &g;

        // check if we can write to that directory:
#ifndef Q_OS_WIN

        QString path = QFileInfo(file).path();
        if (QFileInfo(path).isWritable()==false) {
                RS_DEBUG->print("RS_FilterJWW::fileExport: can't write file: "
                                                "no permission");
                return false;
        }
        //
#endif

        // set version for JWW filter:
        DL_Codes::version exportVersion;
        if (type==RS2::FormatJWC) {
                exportVersion = DL_Codes::AC1009;
        } else {
                exportVersion = DL_Codes::AC1015;
        }

        //DL_WriterA* dw = jww.out(file, VER_R12);
        DL_WriterA* dw = jww.out((const char*)QFile::encodeName(file), exportVersion);

        if (dw==NULL) {
                RS_DEBUG->print("RS_FilterJWW::fileExport: can't write file");
                return false;
        }

        // Header
        RS_DEBUG->print("writing headers...");
        jww.writeHeader(*dw);

        // Variables
        RS_DEBUG->print("writing variables...");
        writeVariables(*dw);

        // Section TABLES
        RS_DEBUG->print("writing tables...");
        dw->sectionTables();

        // VPORT:
        jww.writeVPort(*dw);

        // Line types:
        RS_DEBUG->print("writing line types...");
        int numLT = (int)RS2::BorderLineX2-(int)RS2::LineByBlock;
        if (type==RS2::FormatJWC) {
                numLT-=2;
        }
        dw->tableLineTypes(numLT);
        for (int t=(int)RS2::LineByBlock; t<=(int)RS2::BorderLineX2; ++t) {
                if ((RS2::LineType)t!=RS2::NoPen) {
                        writeLineType(*dw, (RS2::LineType)t);
                }
        }
        dw->tableEnd();

        // Layers:
        RS_DEBUG->print("writing layers...");
        dw->tableLayers(graphic->countLayers());
        for (unsigned i=0; i<graphic->countLayers(); ++i) {
                RS_Layer* l = graphic->layerAt(i);
                writeLayer(*dw, l);
        }
        dw->tableEnd();

        // STYLE:
        RS_DEBUG->print("writing styles...");
        jww.writeStyle(*dw);

        // VIEW:
        RS_DEBUG->print("writing views...");
        jww.writeView(*dw);

        // UCS:
        RS_DEBUG->print("writing ucs...");
        jww.writeUcs(*dw);

        // Appid:
        RS_DEBUG->print("writing appid...");
        dw->tableAppid(1);
        writeAppid(*dw, "ACAD");
        dw->tableEnd();

        // DIMSTYLE:
        RS_DEBUG->print("writing dim styles...");
        jww.writeDimStyle(*dw,
                                          graphic->getVariableDouble("$DIMASZ", 2.5),
                                          graphic->getVariableDouble("$DIMEXE", 1.25),
                                          graphic->getVariableDouble("$DIMEXO", 0.625),
                                          graphic->getVariableDouble("$DIMGAP", 0.625),
                                          graphic->getVariableDouble("$DIMTXT", 2.5));

        // BLOCK_RECORD:
        if (type==RS2::FormatJWW) {
                RS_DEBUG->print("writing block records...");
                jww.writeBlockRecord(*dw);

                for (unsigned i=0; i<graphic->countBlocks(); ++i) {
                        RS_Block* blk = graphic->blockAt(i);
                        if (!blk->isUndone())
                            jww.writeBlockRecord(*dw,
                                std::string((const char*)blk->getName().toLocal8Bit().data()));
                        /*
                        // v2.0.4.9..:
                        //writeBlock(*dw, blk);
                        dw->jwwString(  0, "BLOCK_RECORD");
                        //dw.jwwHex(5, 0x1F);
                        dw->handle();
                        dw->jwwHex(330, 1);
                        dw->jwwString(100, "AcDbSymbolTableRecord");
                        dw->jwwString(100, "AcDbBlockTableRecord");
                        dw->jwwString(  2, blk->getName().toLocal8Bit().data());
                        dw->jwwHex(340, 0);
                        */
                }
                dw->tableEnd();
        }

        // end of tables:
        RS_DEBUG->print("writing end of section TABLES...");
        dw->sectionEnd();


        // Section BLOCKS:
        RS_DEBUG->print("writing blocks...");
        dw->sectionBlocks();

        if (type==RS2::FormatJWW) {
                RS_Block b1(graphic, RS_BlockData("*Model_Space",
                                                                                  RS_Vector(0.0,0.0), false));
                writeBlock(*dw, &b1);
                RS_Block b2(graphic, RS_BlockData("*Paper_Space",
                                                                                  RS_Vector(0.0,0.0), false));
                writeBlock(*dw, &b2);
                RS_Block b3(graphic, RS_BlockData("*Paper_Space0",
                                                                                  RS_Vector(0.0,0.0), false));
                writeBlock(*dw, &b3);
        }

        for (unsigned i=0; i<graphic->countBlocks(); ++i) {
                RS_Block* blk = graphic->blockAt(i);

                // Save block if it's not a model or paper space:
                // Careful: other blocks with * / $ exist
                //if (blk->getName().at(0)!='*' &&
                //		blk->getName().at(0)!='$') {
                if (!blk->isUndone())
                    writeBlock(*dw, blk);
                //}
        }
        dw->sectionEnd();


        // Section ENTITIES:
        RS_DEBUG->print("writing section ENTITIES...");
        dw->sectionEntities();
        for (RS_Entity* e=graphic->firstEntity(RS2::ResolveNone);
                        e!=NULL;
                        e=graphic->nextEntity(RS2::ResolveNone)) {

                writeEntity(*dw, e);
        }
        RS_DEBUG->print("writing end of section ENTITIES...");
        dw->sectionEnd();

        if (type==RS2::FormatJWW) {
                RS_DEBUG->print("writing section OBJECTS...");
                jww.writeObjects(*dw);

                // IMAGEDEF's from images in entities and images in blocks
                QStringList written;
                for (unsigned i=0; i<graphic->countBlocks(); ++i) {
                        RS_Block* block = graphic->blockAt(i);
                        for (RS_Entity* e=block->firstEntity(RS2::ResolveAll);
                                        e!=NULL;
                                        e=block->nextEntity(RS2::ResolveAll)) {

                                if (e->rtti()==RS2::EntityImage) {
                                        RS_Image* img = ((RS_Image*)e);
                                        if (written.contains(file)==0 && img->getHandle()!=0) {
                                                writeImageDef(*dw, img);
                                                written.append(img->getFile());
                                        }
                                }
                        }
                }
                for (RS_Entity* e=graphic->firstEntity(RS2::ResolveNone);
                                e!=NULL;
                                e=graphic->nextEntity(RS2::ResolveNone)) {

                        if (e->rtti()==RS2::EntityImage) {
                                RS_Image* img = ((RS_Image*)e);
                                if (written.contains(file)==0 && img->getHandle()!=0) {
                                        writeImageDef(*dw, img);
                                        written.append(img->getFile());
                                }
                        }
                }
                RS_DEBUG->print("writing end of section OBJECTS...");
                jww.writeObjectsEnd(*dw);
        }

        RS_DEBUG->print("writing EOF...");
        dw->dxfEOF();


        RS_DEBUG->print("close..");
        dw->close();

        delete dw;

        // check if file was actually written (strange world of windoze xp):
        if (QFileInfo(file).exists()==false) {
                RS_DEBUG->print("RS_FilterJWW::fileExport: file could not be written");
                return false;
        }

        return true;
}



/**
 * Writes all known variable settings to the JWW file.
 */
void RS_FilterJWW::writeVariables(DL_WriterA& dw) {
    QHash<QString, RS_Variable>vars = graphic->getVariableDict();
    QHash<QString, RS_Variable>::iterator it = vars.begin();
    while (it != vars.end()) {
                // exclude variables that are not known to JWW 12:
//		if (!DL_Dxf::checkVariable(it.currentKey().toLatin1().constData(), jww.getVersion())) {
                if (!DL_Jww::checkVariable(it.key().toLatin1().constData(), jww.getVersion())) {
                        continue;
                }

//		if (it.currentKey()!="$ACADVER" && it.currentKey()!="$HANDSEED") {
                if (it.key()!="$ACADVER" && it.key()!="$HANDSEED") {

//			dw.jwwString(9, (const char*) it.currentKey());
                        dw.dxfString(9, (const char*) it.key().toLatin1().constData());
                        switch (it.value().getType()) {
                        case RS2::VariableVoid:
                                break;
                        case RS2::VariableInt:
                                dw.dxfInt(it.value().getCode(), it.value().getInt());
                                break;
                        case RS2::VariableDouble:
                                dw.dxfReal(it.value().getCode(), it.value().getDouble());
                                break;
                        case RS2::VariableString:
                                dw.dxfString(it.value().getCode(),
                                                         it.value().getString().toLatin1().constData());
                                break;
                        case RS2::VariableVector:
                                dw.dxfReal(it.value().getCode(),
                                                   it.value().getVector().x);
                                dw.dxfReal(it.value().getCode()+10,
                                                   it.value().getVector().y);
                                if (isVariableTwoDimensional(it.key()/*valueKey()*/)==false) {
                                        dw.dxfReal(it.value().getCode()+20,
#ifdef  RS_VECTOR2D
                                                           0.);
#else
                                                           it.value().getVector().z);
#endif
                                }
                                break;
                        }
                }
                ++it;
        }

        //2007-02-24 put encoding variable
        QString dwgcode = variables.getString("$DWGCODEPAGE", "UNKNOWN");
        if (dwgcode == "UNKNOWN") {
                dw.dxfString(9, "$TEXTSTYLE");
                dw.dxfString(7, "japanese");
                dw.dxfString(9, "$DWGCODEPAGE");
#ifdef WIN32
                dw.dxfString(7, "sjis");
#else
                dw.dxfString(7, "utf8");
#endif
        }
        dw.sectionEnd();
}



/**
 * Writes one layer to the JWW file.
 *
 * @todo Add support for unicode layer names
 */
void RS_FilterJWW::writeLayer(DL_WriterA& dw, RS_Layer* l) {
        if (l==NULL) {
                RS_DEBUG->print(RS_Debug::D_WARNING,
                        "RS_FilterJWW::writeLayer: layer is NULL");
                return;
        }

        RS_DEBUG->print("RS_FilterJWW::writeLayer %s", l->getName().toLatin1().constData());

        jww.writeLayer(
                dw,
                DL_LayerData((const char*)l->getName().toLocal8Bit().data(),
                                         l->isFrozen() + (l->isLocked()<<2)),
                DL_Attributes(std::string(""),
                                          colorToNumber(l->getPen().getColor()),
                                          widthToNumber(l->getPen().getWidth()),
                                          (const char*)lineTypeToName(
                                                  l->getPen().getLineType()).toLocal8Bit().data()));

        RS_DEBUG->print("RS_FilterJWW::writeLayer end");
}



/**
 * Writes a line type to the JWW file.
 */
void RS_FilterJWW::writeLineType(DL_WriterA& dw, RS2::LineType t) {
        jww.writeLineType(
                dw,
                DL_LineTypeData((const char*)lineTypeToName(t).toLocal8Bit().data(), 0));
}



/**
 * Writes an application id to the JWW file.
 *
 * @param appid Application ID (e.g. "QCad").
 */
void RS_FilterJWW::writeAppid(DL_WriterA& dw, const char* appid) {
        jww.writeAppid(dw, appid);
}



/**
 * Writes a block (just the definition, not the entities in it).
 */
void RS_FilterJWW::writeBlock(DL_WriterA& dw, RS_Block* blk) {
        if (blk==NULL) {
                RS_DEBUG->print(RS_Debug::D_WARNING,
                        "RS_FilterJWW::writeBlock: Block is NULL");
                return;
        }

        RS_DEBUG->print("writing block: %s", (const char*)blk->getName().toLocal8Bit().data());

        jww.writeBlock(dw,
                                   DL_BlockData((const char*)blk->getName().toLocal8Bit().data(), 0,
                                                                blk->getBasePoint().x,
                                                                blk->getBasePoint().y,
#ifdef  RS_VECTOR2D
                                                                0.));
#else
                                                                blk->getBasePoint().z));
#endif
        for (RS_Entity* e=blk->firstEntity(RS2::ResolveNone);
                        e!=NULL;
                        e=blk->nextEntity(RS2::ResolveNone)) {
                writeEntity(dw, e);
        }
        jww.writeEndBlock(dw, (const char*)blk->getName().toLocal8Bit().data());
}



/**
 * Writes the given entity to the JWW file.
 */
void RS_FilterJWW::writeEntity(DL_WriterA& dw, RS_Entity* e) {
        writeEntity(dw, e, getEntityAttributes(e));
}


/**
 * Writes the given entity to the JWW file.
 */
void RS_FilterJWW::writeEntity(DL_WriterA& dw, RS_Entity* e,
                                                           const DL_Attributes& attrib) {

        if (e==NULL || e->getFlag(RS2::FlagUndone)) {
                return;
        }
        RS_DEBUG->print("writing Entity");

        switch (e->rtti()) {
        case RS2::EntityPoint:
                writePoint(dw, (RS_Point*)e, attrib);
                break;
        case RS2::EntityLine:
                writeLine(dw, (RS_Line*)e, attrib);
                break;
        case RS2::EntityPolyline:
                writePolyline(dw, (RS_Polyline*)e, attrib);
                break;
        case RS2::EntitySpline:
                writeSpline(dw, (RS_Spline*)e, attrib);
                break;
        case RS2::EntitySplinePoints:
                writeSplinePoints(dw, (LC_SplinePoints*)e, attrib);
                break;
        case RS2::EntityVertex:
                break;
        case RS2::EntityCircle:
                writeCircle(dw, (RS_Circle*)e, attrib);
                break;
        case RS2::EntityArc:
                writeArc(dw, (RS_Arc*)e, attrib);
                break;
        case RS2::EntityEllipse:
                writeEllipse(dw, (RS_Ellipse*)e, attrib);
                break;
        case RS2::EntityInsert:
                writeInsert(dw, (RS_Insert*)e, attrib);
                break;
        case RS2::EntityMText:
                writeText(dw, (RS_MText*)e, attrib);
                break;

        case RS2::EntityDimAligned:
        case RS2::EntityDimAngular:
        case RS2::EntityDimLinear:
        case RS2::EntityDimRadial:
        case RS2::EntityDimDiametric:
                writeDimension(dw, (RS_Dimension*)e, attrib);
                break;
        case RS2::EntityDimLeader:
                writeLeader(dw, (RS_Leader*)e, attrib);
                break;
        case RS2::EntityHatch:
                writeHatch(dw, (RS_Hatch*)e, attrib);
                break;
        case RS2::EntityImage:
                writeImage(dw, (RS_Image*)e, attrib);
                break;
        case RS2::EntitySolid:
                writeSolid(dw, (RS_Solid*)e, attrib);
                break;

#ifndef RS_NO_COMPLEX_ENTITIES

        case RS2::EntityContainer:
                writeEntityContainer(dw, (RS_EntityContainer*)e, attrib);
                break;
#endif

        default:
                break;
        }
}



/**
 * Writes the given Point entity to the file.
 */
void RS_FilterJWW::writePoint(DL_WriterA& dw, RS_Point* p,
                                                          const DL_Attributes& attrib) {
        jww.writePoint(
                dw,
                DL_PointData(p->getPos().x,
                                         p->getPos().y,
                                         0.0),
                attrib);
}


/**
 * Writes the given Line( entity to the file.
 */
void RS_FilterJWW::writeLine(DL_WriterA& dw, RS_Line* l,
                                                         const DL_Attributes& attrib) {
        jww.writeLine(
                dw,
                DL_LineData(l->getStartpoint().x,
                                        l->getStartpoint().y,
                                        0.0,
                                        l->getEndpoint().x,
                                        l->getEndpoint().y,
                                        0.0),
                attrib);
}



/**
 * Writes the given polyline entity to the file.
 */
void RS_FilterJWW::writePolyline(DL_WriterA& dw,
                                                                 RS_Polyline* l,
                                                                 const DL_Attributes& attrib) {

        int count = l->count();
        if (l->isClosed()==false) {
                count++;
        }

        jww.writePolyline(
                dw,
                DL_PolylineData(count,
                                                0, 0,
                                                l->isClosed()*0x1),
                attrib);
        bool first = true;
        RS_Entity* nextEntity = 0;
        RS_AtomicEntity* ae = NULL;
        RS_Entity* lastEntity = l->lastEntity(RS2::ResolveNone);
        for (RS_Entity* v=l->firstEntity(RS2::ResolveNone);
                        v!=NULL;
                        v=nextEntity) {

                nextEntity = l->nextEntity(RS2::ResolveNone);

                if (!v->isAtomic()) {
                        continue;
                }

                ae = (RS_AtomicEntity*)v;
                double bulge=0.0;

                // Write vertex:
                if (first) {
                        if (v->rtti()==RS2::EntityArc) {
                                bulge = ((RS_Arc*)v)->getBulge();
                        }
                        jww.writeVertex(dw,
                                                        DL_VertexData(ae->getStartpoint().x,
                                                                                  ae->getStartpoint().y,
                                                                                  0.0,
                                                                                  bulge));
                        first = false;
                }

                //if (jww.getVersion()==VER_R12) {
                        if (nextEntity!=NULL) {
                                if (nextEntity->rtti()==RS2::EntityArc) {
                                        bulge = ((RS_Arc*)nextEntity)->getBulge();
                                }
                                else {
                                        bulge = 0.0;
                                }
                        }
                /*} else {
                        if (v->rtti()==RS2::EntityArc) {
                                bulge = ((RS_Arc*)v)->getBulge();
                        }
                }*/


                if (l->isClosed()==false || v!=lastEntity) {
                        jww.writeVertex(dw,
                                                DL_VertexData(ae->getEndpoint().x,
                                                                          ae->getEndpoint().y,
                                                                          0.0,
                                                                          bulge));
                }
        }
        jww.writePolylineEnd(dw);
}



/**
 * Writes the given spline entity to the file.
 */
void RS_FilterJWW::writeSpline(DL_WriterA& dw,
                                                           RS_Spline* s,
                                                           const DL_Attributes& attrib) {

        // split spline into atomic entities for JWW R12:
        if (jww.getVersion()==VER_R12) {
                writeAtomicEntities(dw, s, attrib, RS2::ResolveNone);
                return;
        }

        if (s->getNumberOfControlPoints() < s->getDegree()+1) {
                RS_DEBUG->print(RS_Debug::D_ERROR, "RS_FilterJWW::writeSpline: "
                                                "Discarding spline: not enough control points given.");
                return;
        }

        // Number of control points:
        int numCtrl = s->getNumberOfControlPoints();

        // Number of knots (= number of control points + spline degree + 1)
        int numKnots = numCtrl + s->getDegree() + 1;

        int flags;
        if (s->isClosed()) {
                flags = 11;
        } else {
                flags = 8;
        }

        // write spline header:
        jww.writeSpline(
                dw,
                DL_SplineData(s->getDegree(),
                                          numKnots,
                                          numCtrl,
                                          flags),
                attrib);

    // write spline knots:
    QList<RS_Vector> cp = s->getControlPoints();
    QList<RS_Vector>::iterator it;

        int k = s->getDegree()+1;
        DL_KnotData kd;
        for (int i=1; i<=numKnots; i++) {
                if (i<=k) {
                        kd = DL_KnotData(0.0);
                } else if (i<=numKnots-k) {
                        kd = DL_KnotData(1.0/(numKnots-2*k+1) * (i-k));
                } else {
                        kd = DL_KnotData(1.0);
                }
                jww.writeKnot(dw,
                                          kd);
        }

        // write spline control points:
        for (it = cp.begin(); it!=cp.end(); ++it) {
                jww.writeControlPoint(dw,
                                                          DL_ControlPointData((*it).x,
                                                                                                  (*it).y,
                                                                                                  0.0));
        }
}



/**
 * Writes the given spline entity to the file.
 */
void RS_FilterJWW::writeSplinePoints(DL_WriterA& dw,
	LC_SplinePoints* s, const DL_Attributes& attrib)
{
	// split spline into atomic entities for JWW R12:
	if(jww.getVersion() == VER_R12)
	{
		QList<RS_Vector> sp = s->getStrokePoints();
		jww.writePolyline(dw, DL_PolylineData(sp.count(), 0, 0, s->isClosed()*0x1), attrib);

		for(int i = 0; i < sp.count(); i++)
		{
			jww.writeVertex(dw, DL_VertexData(sp.at(i).x, sp.at(i).y, 0.0, 0.0));
		}
		jww.writePolylineEnd(dw);
		return;
	}

	// Number of control points:
	int numCtrl = s->getNumberOfControlPoints();
	QList<RS_Vector> cp = s->getControlPoints();

	if(numCtrl < 3)
	{
		if(numCtrl > 1)
		{
			jww.writeLine(dw, DL_LineData(cp.at(0).x, cp.at(0).y, 0.0,
				cp.at(1).x, cp.at(1).y, 0.0), attrib);
		}
		return;
	}

	// Number of knots (= number of control points + spline degree + 1)
	int numKnots = numCtrl + 3;

	int flags;
	if(s->isClosed()) flags = 11;
	else flags = 8;

	// write spline header:
	jww.writeSpline(dw, DL_SplineData(2, numKnots, numCtrl, flags), attrib);

	// write spline knots:
	DL_KnotData kd;
	for(int i=1; i<=numKnots; i++)
	{
		if(i <= 3) kd = DL_KnotData(0.0);
		else if (i <= numCtrl)
			kd = DL_KnotData((i - 3.0)/(numCtrl - 2.0));
		else kd = DL_KnotData(1.0);
		jww.writeKnot(dw, kd);
	}

	// write spline control points:
	QList<RS_Vector>::iterator it;
	for(it = cp.begin(); it != cp.end(); it++)
	{
		jww.writeControlPoint(dw, DL_ControlPointData((*it).x, (*it).y, 0.0));
	}
}



/**
 * Writes the given circle entity to the file.
 */
void RS_FilterJWW::writeCircle(DL_WriterA& dw, RS_Circle* c,
                                                           const DL_Attributes& attrib) {
        jww.writeCircle(
                dw,
                DL_CircleData(c->getCenter().x,
                                          c->getCenter().y,
                                          0.0,
                                          c->getRadius()),
                attrib);

}



void RS_FilterJWW::writeArc(DL_WriterA& dw, RS_Arc* a,
                                                        const DL_Attributes& attrib) {
        double a1, a2;
        if (a->isReversed()) {
                a1 = a->getAngle2()*ARAD;
                a2 = a->getAngle1()*ARAD;
        } else {
                a1 = a->getAngle1()*ARAD;
                a2 = a->getAngle2()*ARAD;
        }
        jww.writeArc(
                dw,
                DL_ArcData(a->getCenter().x,
                                   a->getCenter().y,
                                   0.0,
                                   a->getRadius(),
                                   a1, a2),
                attrib);
}


void RS_FilterJWW::writeEllipse(DL_WriterA& dw, RS_Ellipse* s,
                                                                const DL_Attributes& attrib) {
        if (s->isReversed()) {
                jww.writeEllipse(
                        dw,
                        DL_EllipseData(s->getCenter().x,
                                                   s->getCenter().y,
                                                   0.0,
                                                   s->getMajorP().x,
                                                   s->getMajorP().y,
                                                   0.0,
                                                   s->getRatio(),
                                                   s->getAngle2(),
                                                   s->getAngle1()),
                        attrib);
        } else {
                jww.writeEllipse(
                        dw,
                        DL_EllipseData(s->getCenter().x,
                                                   s->getCenter().y,
                                                   0.0,
                                                   s->getMajorP().x,
                                                   s->getMajorP().y,
                                                   0.0,
                                                   s->getRatio(),
                                                   s->getAngle1(),
                                                   s->getAngle2()),
                        attrib);
        }
}



void RS_FilterJWW::writeInsert(DL_WriterA& dw, RS_Insert* i,
                                                           const DL_Attributes& attrib) {
        jww.writeInsert(
                dw,
                DL_InsertData(i->getName().toLatin1().constData(),
                                          i->getInsertionPoint().x,
                                          i->getInsertionPoint().y,
                                          0.0,
                                          i->getScale().x,
                                          i->getScale().y,
                                          0.0,
                                          i->getAngle()*ARAD,
                                          i->getCols(), i->getRows(),
                                          i->getSpacing().x,
                                          i->getSpacing().y),
                attrib);
}


void RS_FilterJWW::writeText(DL_WriterA& dw, RS_MText* t,
                                                         const DL_Attributes& attrib) {

        if (jww.getVersion()==VER_R12) {
                int hJust=0;
                int vJust=0;
                if (t->getHAlign()==RS_MTextData::HALeft) {
                        hJust=0;
                } else if (t->getHAlign()==RS_MTextData::HACenter) {
                        hJust=1;
                } else if (t->getHAlign()==RS_MTextData::HARight) {
                        hJust=2;
                }
                if (t->getVAlign()==RS_MTextData::VATop) {
                        vJust=3;
                } else if (t->getVAlign()==RS_MTextData::VAMiddle) {
                        vJust=2;
                } else if (t->getVAlign()==RS_MTextData::VABottom) {
                        vJust=1;
                }
                jww.writeText(
                        dw,
                        DL_TextData(t->getInsertionPoint().x,
                                                t->getInsertionPoint().y,
                                                0.0,
                                                t->getInsertionPoint().x,
                                                t->getInsertionPoint().y,
                                                0.0,
                                                t->getHeight(),
                                                1.0,
                                                0,
                                                hJust, vJust,
                                                (const char*)toDxfString(
                                                        t->getText()).toLocal8Bit().data(),
                                                (const char*)t->getStyle().toLocal8Bit().data(),
                                                t->getAngle()),
                        attrib);

        } else {
                int attachmentPoint=1;
                if (t->getHAlign()==RS_MTextData::HALeft) {
                        attachmentPoint=1;
                } else if (t->getHAlign()==RS_MTextData::HACenter) {
                        attachmentPoint=2;
                } else if (t->getHAlign()==RS_MTextData::HARight) {
                        attachmentPoint=3;
                }
                if (t->getVAlign()==RS_MTextData::VATop) {
                        attachmentPoint+=0;
                } else if (t->getVAlign()==RS_MTextData::VAMiddle) {
                        attachmentPoint+=3;
                } else if (t->getVAlign()==RS_MTextData::VABottom) {
                        attachmentPoint+=6;
                }

                jww.writeMText(
                        dw,
                        DL_MTextData(t->getInsertionPoint().x,
                                                 t->getInsertionPoint().y,
                                                 0.0,
                                                 t->getHeight(),
                                                 t->getWidth(),
                                                 attachmentPoint,
                                                 t->getDrawingDirection(),
                                                 t->getLineSpacingStyle(),
                                                 t->getLineSpacingFactor(),
                                                 (const char*)toDxfString(
                                                         t->getText()).toLocal8Bit().data(),
                                                 (const char*)t->getStyle().toLocal8Bit().data(),
                                                 t->getAngle()),
                        attrib);
        }
}



void RS_FilterJWW::writeDimension(DL_WriterA& dw, RS_Dimension* d,
                                                                  const DL_Attributes& attrib) {

        // split hatch into atomic entities:
        if (jww.getVersion()==VER_R12) {
                writeAtomicEntities(dw, d, attrib, RS2::ResolveNone);
                return;
        }

        int type;
        int attachmentPoint=1;
        if (d->getHAlign()==RS_MTextData::HALeft) {
                attachmentPoint=1;
        } else if (d->getHAlign()==RS_MTextData::HACenter) {
                attachmentPoint=2;
        } else if (d->getHAlign()==RS_MTextData::HARight) {
                attachmentPoint=3;
        }
        if (d->getVAlign()==RS_MTextData::VATop) {
                attachmentPoint+=0;
        } else if (d->getVAlign()==RS_MTextData::VAMiddle) {
                attachmentPoint+=3;
        } else if (d->getVAlign()==RS_MTextData::VABottom) {
                attachmentPoint+=6;
        }

        switch (d->rtti()) {
        case RS2::EntityDimAligned:
                type = 1;
                break;
        case RS2::EntityDimLinear:
                type = 0;
                break;
        case RS2::EntityDimRadial:
                type = 4;
                break;
        case RS2::EntityDimDiametric:
                type = 3;
                break;
        default:
                type = 0;
                break;
        }

        DL_DimensionData dimData(d->getDefinitionPoint().x,
                                                         d->getDefinitionPoint().y,
                                                         0.0,
                                                         d->getMiddleOfText().x,
                                                         d->getMiddleOfText().y,
                                                         0.0,
                                                         type,
                                                         attachmentPoint,
                                                         d->getLineSpacingStyle(),
                                                         d->getLineSpacingFactor(),
                                                         (const char*)toDxfString(
                                                                 d->getText()).toLocal8Bit().data(),
                                                         (const char*)d->getStyle().toLocal8Bit().data(),
                                                         d->getAngle());

        if (d->rtti()==RS2::EntityDimAligned) {
                RS_DimAligned* da = (RS_DimAligned*)d;

                DL_DimAlignedData dimAlignedData(da->getExtensionPoint1().x,
                                                                                 da->getExtensionPoint1().y,
                                                                                 0.0,
                                                                                 da->getExtensionPoint2().x,
                                                                                 da->getExtensionPoint2().y,
                                                                                 0.0);

                jww.writeDimAligned(dw, dimData, dimAlignedData, attrib);
        } else if (d->rtti()==RS2::EntityDimLinear) {
                RS_DimLinear* dl = (RS_DimLinear*)d;

                DL_DimLinearData dimLinearData(dl->getExtensionPoint1().x,
                                                                           dl->getExtensionPoint1().y,
                                                                           0.0,
                                                                           dl->getExtensionPoint2().x,
                                                                           dl->getExtensionPoint2().y,
                                                                           0.0,
                                                                           dl->getAngle(),
                                                                           dl->getOblique());

                jww.writeDimLinear(dw, dimData, dimLinearData, attrib);
        } else if (d->rtti()==RS2::EntityDimRadial) {
                RS_DimRadial* dr = (RS_DimRadial*)d;

                DL_DimRadialData dimRadialData(dr->getDefinitionPoint().x,
                                                                           dr->getDefinitionPoint().y,
                                                                           0.0,
                                                                           dr->getLeader());

                jww.writeDimRadial(dw, dimData, dimRadialData, attrib);
        } else if (d->rtti()==RS2::EntityDimDiametric) {
                RS_DimDiametric* dr = (RS_DimDiametric*)d;

                DL_DimDiametricData dimDiametricData(dr->getDefinitionPoint().x,
                                                                                         dr->getDefinitionPoint().y,
                                                                                         0.0,
                                                                                         dr->getLeader());

                jww.writeDimDiametric(dw, dimData, dimDiametricData, attrib);
        } else if (d->rtti()==RS2::EntityDimAngular) {
                RS_DimAngular* da = (RS_DimAngular*)d;

                DL_DimAngularData dimAngularData(da->getDefinitionPoint1().x,
                                                                                 da->getDefinitionPoint1().y,
                                                                                 0.0,
                                                                                 da->getDefinitionPoint2().x,
                                                                                 da->getDefinitionPoint2().y,
                                                                                 0.0,
                                                                                 da->getDefinitionPoint3().x,
                                                                                 da->getDefinitionPoint3().y,
                                                                                 0.0,
                                                                                 da->getDefinitionPoint4().x,
                                                                                 da->getDefinitionPoint4().y,
                                                                                 0.0);

                jww.writeDimAngular(dw, dimData, dimAngularData, attrib);
        }

}


void RS_FilterJWW::writeLeader(DL_WriterA& dw, RS_Leader* l,
                                                           const DL_Attributes& attrib) {
        if (l->count()>0) {
                jww.writeLeader(
                        dw,
                        DL_LeaderData(l->hasArrowHead(),
                                                  0,
                                                  3,
                                                  0,
                                                  0,
                                                  1.0,
                                                  10.0,
                                                  l->count()),
                        attrib);
                bool first = true;
                for (RS_Entity* v=l->firstEntity(RS2::ResolveNone);
                                v!=NULL;
                                v=l->nextEntity(RS2::ResolveNone)) {

                        // Write line verties:
                        if (v->rtti()==RS2::EntityLine) {
                                RS_Line* l = (RS_Line*)v;
                                if (first) {
                                        jww.writeLeaderVertex(
                                                dw,
                                                DL_LeaderVertexData(l->getStartpoint().x,
                                                                                        l->getStartpoint().y,
                                                                                        0.0));
                                        first = false;
                                }
                                jww.writeLeaderVertex(
                                        dw,
                                        DL_LeaderVertexData(l->getEndpoint().x,
                                                                                l->getEndpoint().y,
                                                                                0.0));
                        }
                }
        } else {
                RS_DEBUG->print(RS_Debug::D_WARNING,
                        "dropping leader with no vertices");
        }
}


void RS_FilterJWW::writeHatch(DL_WriterA& dw, RS_Hatch* h,
                                                          const DL_Attributes& attrib) {

        // split hatch into atomic entities:
        if (jww.getVersion()==VER_R12) {
                writeAtomicEntities(dw, h, attrib, RS2::ResolveAll);
                return;
        }

        bool writeIt = true;
        if (h->countLoops()>0) {
                // check if all of the loops contain entities:
                for (RS_Entity* l=h->firstEntity(RS2::ResolveNone);
                                l!=NULL;
                                l=h->nextEntity(RS2::ResolveNone)) {

                        if (l->isContainer() && !l->getFlag(RS2::FlagTemp)) {
                                if (l->count()==0) {
                                        writeIt = false;
                                }
                        }
                }
        } else {
                writeIt = false;
        }

        if (!writeIt) {
                RS_DEBUG->print(RS_Debug::D_WARNING,
                        "RS_FilterJWW::writeHatch: Dropping Hatch");
        } else {
                DL_HatchData data(h->countLoops(),
                                                  h->isSolid(),
                                                  h->getScale(),
                                                  h->getAngle(),
                                                  (const char*)h->getPattern().toLocal8Bit().data());
                jww.writeHatch1(dw, data, attrib);

                for (RS_Entity* l=h->firstEntity(RS2::ResolveNone);
                                l!=NULL;
                                l=h->nextEntity(RS2::ResolveNone)) {

                        // Write hatch loops:
                        if (l->isContainer() && !l->getFlag(RS2::FlagTemp)) {
                                RS_EntityContainer* loop = (RS_EntityContainer*)l;
                                DL_HatchLoopData lData(loop->count());
                                jww.writeHatchLoop1(dw, lData);

                                for (RS_Entity* ed=loop->firstEntity(RS2::ResolveNone);
                                                ed!=NULL;
                                                ed=loop->nextEntity(RS2::ResolveNone)) {

                                        // Write hatch loop edges:
                                        if (ed->rtti()==RS2::EntityLine) {
                                                RS_Line* ln = (RS_Line*)ed;
                                                jww.writeHatchEdge(
                                                        dw,
                                                        DL_HatchEdgeData(ln->getStartpoint().x,
                                                                                         ln->getStartpoint().y,
                                                                                         ln->getEndpoint().x,
                                                                                         ln->getEndpoint().y));
                                        } else if (ed->rtti()==RS2::EntityArc) {
                                                RS_Arc* ar = (RS_Arc*)ed;
                                                if (!ar->isReversed()) {
                                                        jww.writeHatchEdge(
                                                                dw,
                                                                DL_HatchEdgeData(ar->getCenter().x,
                                                                                                 ar->getCenter().y,
                                                                                                 ar->getRadius(),
                                                                                                 ar->getAngle1(),
                                                                                                 ar->getAngle2(),
                                                                                                 true));
                                                } else {
                                                        jww.writeHatchEdge(
                                                                dw,
                                                                DL_HatchEdgeData(ar->getCenter().x,
                                                                                                 ar->getCenter().y,
                                                                                                 ar->getRadius(),
                                                                                                 2*M_PI-ar->getAngle1(),
                                                                                                 2*M_PI-ar->getAngle2(),
                                                                                                 false));
                                                }
                                        } else if (ed->rtti()==RS2::EntityCircle) {
                                                RS_Circle* ci = (RS_Circle*)ed;
                                                jww.writeHatchEdge(
                                                        dw,
                                                        DL_HatchEdgeData(ci->getCenter().x,
                                                                                         ci->getCenter().y,
                                                                                         ci->getRadius(),
                                                                                         0.0,
                                                                                         2*M_PI,
                                                                                         true));
                                        }
                                }
                                jww.writeHatchLoop2(dw, lData);
                        }
                }
                jww.writeHatch2(dw, data, attrib);
        }

}



void RS_FilterJWW::writeSolid(DL_WriterA& dw, RS_Solid* s,
                                                          const DL_Attributes& attrib) {

        // split solid into line entities:
        //if (jww.getVersion()==VER_R12) {
                for (int i=0; i<3; ++i) {
                        jww.writeLine(
                                dw,
                                DL_LineData(s->getCorner(i).x,
                                                        s->getCorner(i).y,
                                                        0.0,
                                                        s->getCorner((i+1)%3).x,
                                                        s->getCorner((i+1)%3).y,
                                                        0.0),
                                attrib);
                }
                //return;
        //}
}


void RS_FilterJWW::writeImage(DL_WriterA& dw, RS_Image* i,
                                                          const DL_Attributes& attrib) {
        int handle = jww.writeImage(
                                         dw,
                                         DL_ImageData(std::string(""),
                                                                  i->getInsertionPoint().x,
                                                                  i->getInsertionPoint().y,
                                                                  0.0,
                                                                  i->getUVector().x,
                                                                  i->getUVector().y,
                                                                  0.0,
                                                                  i->getVVector().x,
                                                                  i->getVVector().y,
                                                                  0.0,
                                                                  i->getWidth(),
                                                                  i->getHeight(),
                                                                  i->getBrightness(),
                                                                  i->getContrast(),
                                                                  i->getFade()),
                                         attrib);
        if(handle > 0) {
            i->setHandle(handle);
        }
}



void RS_FilterJWW::writeEntityContainer(DL_WriterA& dw, RS_EntityContainer* con,
                                                                                const DL_Attributes& /*attrib*/) {
        QString blkName;
        blkName = "__CE";

        // Creating an unique ID from the element ID
        int tmp, c=1; // tmp = temporary var c = counter var
        tmp = con->getId();

        while (true) {
                tmp = tmp/c;
                blkName.append((char) tmp %10 + 48);
                c *= 10;
                if (tmp < 10) {
                        break;
                }
        }

        //Block definition
        dw.sectionTables();
        jww.writeBlockRecord(dw);
        dw.dxfString(  0, "BLOCK_RECORD");

        dw.handle();
        dw.dxfHex(330, 1);
        dw.dxfString(100, "AcDbSymbolTableRecord");
        dw.dxfString(100, "AcDbBlockTableRecord");
        dw.dxfString(  2, blkName.toLatin1().constData());
        dw.dxfHex(340, 0);
        dw.dxfString(0, "ENDTAB");

        //Block creation
        RS_BlockData blkdata(blkName, RS_Vector(0,0), false);

        RS_Block* blk = new RS_Block(graphic, blkdata);

        for (RS_Entity* e1 = con->firstEntity(); e1 != NULL;
                        e1 = con->nextEntity() ) {
                blk->addEntity(e1);
        }
        writeBlock(dw, blk);
        //delete e1;

}



/**
 * Writes the atomic entities of the given cotnainer to the file.
 */
void RS_FilterJWW::writeAtomicEntities(DL_WriterA& dw, RS_EntityContainer* c,
                                                                           const DL_Attributes& attrib,
                                                                           RS2::ResolveLevel level) {

        for (RS_Entity* e=c->firstEntity(level);
                        e!=NULL;
                        e=c->nextEntity(level)) {

                writeEntity(dw, e, attrib);
        }
}

/**
 * Writes an IMAGEDEF object into an OBJECT section.
 */
void RS_FilterJWW::writeImageDef(DL_WriterA& dw, RS_Image* i) {
        if (i==NULL || i->getFlag(RS2::FlagUndone)) {
                return;
        }

        jww.writeImageDef(
                dw,
                i->getHandle(),
                DL_ImageData((const char*)i->getFile().toLocal8Bit().data(),
                                         i->getInsertionPoint().x,
                                         i->getInsertionPoint().y,
                                         0.0,
                                         i->getUVector().x,
                                         i->getUVector().y,
                                         0.0,
                                         i->getVVector().x,
                                         i->getVVector().y,
                                         0.0,
                                         i->getWidth(),
                                         i->getHeight(),
                                         i->getBrightness(),
                                         i->getContrast(),
                                         i->getFade()));
}



/**
 * Sets the entities attributes according to the attributes
 * that come from a JWW file.
 */
void RS_FilterJWW::setEntityAttributes(RS_Entity* entity,
                                                                           const DL_Attributes& attrib) {
        RS_DEBUG->print("RS_FilterJWW::setEntityAttributes");

        RS_Pen pen;
        pen.setColor(Qt::black);
        pen.setLineType(RS2::SolidLine);

        // Layer:
        if (attrib.getLayer().empty()) {
                entity->setLayer("0");
        } else {
//-------------------------
                //2007-02-24 added
                QString enc = RS_System::getEncoding(
                                                        variables.getString("$DWGCODEPAGE", "ANSI_1252"));
                // get the codec for Japanese
                QString lName = attrib.getLayer().c_str();
                QTextCodec *codec = QTextCodec::codecForName(enc.toLatin1());
                if(codec!=NULL)
                        lName = codec->toUnicode(attrib.getLayer().c_str());
                if (graphic->findLayer(lName)==NULL) {
                        addLayer(DL_LayerData(attrib.getLayer(), 0));
                }
                entity->setLayer(lName);
//-------------------------
                // add layer in case it doesn't exist:
/*		if (graphic->findLayer(attrib.getLayer().c_str())==NULL) {
                        addLayer(DL_LayerData(attrib.getLayer(), 0));
                }
                entity->setLayer(attrib.getLayer().c_str());
*/
        }

        // Color:
        pen.setColor(numberToColor(attrib.getColor()));

        // Linetype:
        pen.setLineType(nameToLineType(attrib.getLineType().c_str()));

        // Width:
        pen.setWidth(numberToWidth(attrib.getWidth()));

        entity->setPen(pen);
        RS_DEBUG->print("RS_FilterJWW::setEntityAttributes: OK");
}



/**
 * Gets the entities attributes as a DL_Attributes object.
 */
DL_Attributes RS_FilterJWW::getEntityAttributes(RS_Entity* entity) {

        // Layer:
        RS_Layer* layer = entity->getLayer();
        QString layerName;
        if (layer!=NULL) {
                layerName = layer->getName();
        } else {
                layerName = "NULL";
        }

        RS_Pen pen = entity->getPen(false);

        // Color:
        int color = colorToNumber(pen.getColor());
        //printf("Color is: %s -> %d\n", pen.getColor().name().toLatin1().constData(), color);

        // Linetype:
        QString lineType = lineTypeToName(pen.getLineType());

        // Width:
        int width = widthToNumber(pen.getWidth());

        DL_Attributes attrib(layerName.toLocal8Bit().constData(), //2007-02-24 toLatin1().constData(),
                                                 color,
                                                 width,
                                                 lineType.toLocal8Bit().constData());
//2007-02-24			 lineType.toLatin1().constData());

        return attrib;
}



/**
 * @return Pen with the same attributes as 'attrib'.
 */
RS_Pen RS_FilterJWW::attributesToPen(const DL_Attributes& attrib) const {

        /*
        printf("converting Color %d to %s\n",
           attrib.getColor(), numberToColor(attrib.getColor()).name().toLatin1().constData());
        */

        RS_Pen pen(numberToColor(attrib.getColor()),
                           numberToWidth(attrib.getWidth()),
                           nameToLineType(attrib.getLineType().c_str()));
        return pen;
}



/**
 * Converts a color index (num) into a RS_Color object.
 * Please refer to the jwwlib documentation for details.
 *
 * @param num Color number.
 * @param comp Compatibility with older QCad versions (1.5.3 and older)
 */
RS_Color RS_FilterJWW::numberToColor(int num, bool comp) {
        // Compatibility with QCad 1.5.3 and older:
        if (comp) {
                switch(num) {
                case 0:
                        return QColor(Qt::black);
                        break;
                case 1:
                        return QColor(Qt::darkBlue);
                        break;
                case 2:
                        return QColor(Qt::darkGreen);
                        break;
                case 3:
                        return QColor(Qt::darkCyan);
                        break;
                case 4:
                        return QColor(Qt::darkRed);
                        break;
                case 5:
                        return QColor(Qt::darkMagenta);
                        break;
                case 6:
                        return QColor(Qt::darkYellow);
                        break;
                case 7:
                        return QColor(Qt::lightGray);
                        break;
                case 8:
                        return QColor(Qt::darkGray);
                        break;
                case 9:
                        return QColor(Qt::blue);
                        break;
                case 10:
                        return QColor(Qt::green);
                        break;
                case 11:
                        return QColor(Qt::cyan);
                        break;
                case 12:
                        return QColor(Qt::red);
                        break;
                case 13:
                        return QColor(Qt::magenta);
                        break;
                case 14:
                        return QColor(Qt::yellow);
                        break;
                case 15:
                        return QColor(Qt::black);
                        break;
                default:
                        break;
                }
        } else {
                if (num==0) {
                        return RS_Color(RS2::FlagByBlock);
                } else if (num==256) {
                        return RS_Color(RS2::FlagByLayer);
                } else if (num<=255 && num>=0) {
                        return RS_Color((int)(dxfColors[num][0]*255),
                                                        (int)(dxfColors[num][1]*255),
                                                        (int)(dxfColors[num][2]*255));
                } else {
                        RS_DEBUG->print(RS_Debug::D_WARNING,
                                "RS_FilterJWW::numberToColor: Invalid color number given.");
                        return RS_Color(RS2::FlagByLayer);
                }
        }
        return RS_Color();
}



/**
 * Converts a color into a color number in the JWW palette.
 * The color that fits best is chosen.
 */
int RS_FilterJWW::colorToNumber(const RS_Color& col) {

        //printf("Searching color for %s\n", col.name().toLatin1().constData());

        // Special color BYBLOCK:
        if (col.getFlag(RS2::FlagByBlock)) {
                return 0;
        }

        // Special color BYLAYER
        else if (col.getFlag(RS2::FlagByLayer)) {
                return 256;
        }

        // Special color black is not in the table but white represents both
        // black and white
        else if (col.red()==0 && col.green()==0 && col.blue()==0) {
                return 7;
        }

        // All other colors
        else {
                int num=0;
                int diff=255*3;  // smallest difference to a color in the table found so far

                // Run through the whole table and compare
                for (int i=1; i<=255; i++) {
                        int d = abs(col.red()-(int)(dxfColors[i][0]*255))
                                        + abs(col.green()-(int)(dxfColors[i][1]*255))
                                        + abs(col.blue()-(int)(dxfColors[i][2]*255));

                        if (d<diff) {
                                /*
                                printf("color %f,%f,%f is closer\n",
                                           jwwColors[i][0],
                                           jwwColors[i][1],
                                           jwwColors[i][2]);
                                */
                                diff = d;
                                num = i;
                                if (d==0) {
                                        break;
                                }
                        }
                }
                //printf("  Found: %d, diff: %d\n", num, diff);
                return num;
        }
}



/**
 * Converts a line type name (e.g. "CONTINUOUS") into a RS2::LineType
 * object.
 */
RS2::LineType RS_FilterJWW::nameToLineType(const QString& name) {

        QString uName = name.toUpper();

        // Standard linetypes for QCad II / AutoCAD
        if (uName.isEmpty() || uName=="BYLAYER") {
                return RS2::LineByLayer;

        } else if (uName=="BYBLOCK") {
                return RS2::LineByBlock;

        } else if (uName=="CONTINUOUS" || uName=="ACAD_ISO01W100") {
                return RS2::SolidLine;

        } else if (uName=="ACAD_ISO07W100" || uName=="DOT") {
                return RS2::DotLine;

        } else if (uName=="DOT2") {
                return RS2::DotLine2;

        } else if (uName=="DOTX2") {
                return RS2::DotLineX2;


        } else if (uName=="ACAD_ISO02W100" || uName=="ACAD_ISO03W100" ||
                           uName=="DASHED" || uName=="HIDDEN") {
                return RS2::DashLine;

        } else if (uName=="DASHED2" || uName=="HIDDEN2") {
                return RS2::DashLine2;

        } else if (uName=="DASHEDX2" || uName=="HIDDENX2") {
                return RS2::DashLineX2;


        } else if (uName=="ACAD_ISO10W100" ||
                           uName=="DASHDOT") {
                return RS2::DashDotLine;

        } else if (uName=="DASHDOT2") {
                return RS2::DashDotLine2;

        } else if (uName=="ACAD_ISO04W100" ||
                           uName=="DASHDOTX2") {
                return RS2::DashDotLineX2;


        } else if (uName=="ACAD_ISO12W100" || uName=="DIVIDE") {
                return RS2::DivideLine;

        } else if (uName=="DIVIDE2") {
                return RS2::DivideLine2;

        } else if (uName=="ACAD_ISO05W100" || uName=="DIVIDEX2") {
                return RS2::DivideLineX2;


        } else if (uName=="CENTER") {
                return RS2::CenterLine;

        } else if (uName=="CENTER2") {
                return RS2::CenterLine2;

        } else if (uName=="CENTERX2") {
                return RS2::CenterLineX2;


        } else if (uName=="BORDER") {
                return RS2::BorderLine;

        } else if (uName=="BORDER2") {
                return RS2::BorderLine2;

        } else if (uName=="BORDERX2") {
                return RS2::BorderLineX2;
        }

        return RS2::SolidLine;
}



/**
 * Converts a RS_LineType into a name for a line type.
 */
QString RS_FilterJWW::lineTypeToName(RS2::LineType lineType) {

        // Standard linetypes for QCad II / AutoCAD
        switch (lineType) {

        case RS2::SolidLine:
                return "CONTINUOUS";
                break;

        case RS2::DotLine:
                return "DOT";
                break;
        case RS2::DotLine2:
                return "DOT2";
                break;
        case RS2::DotLineX2:
                return "DOTX2";
                break;

        case RS2::DashLine:
                return "DASHED";
                break;
        case RS2::DashLine2:
                return "DASHED2";
                break;
        case RS2::DashLineX2:
                return "DASHEDX2";
                break;

        case RS2::DashDotLine:
                return "DASHDOT";
                break;
        case RS2::DashDotLine2:
                return "DASHDOT2";
                break;
        case RS2::DashDotLineX2:
                return "DASHDOTX2";
                break;

        case RS2::DivideLine:
                return "DIVIDE";
                break;
        case RS2::DivideLine2:
                return "DIVIDE2";
                break;
        case RS2::DivideLineX2:
                return "DIVIDEX2";
                break;

        case RS2::CenterLine:
                return "CENTER";
                break;
        case RS2::CenterLine2:
                return "CENTER2";
                break;
        case RS2::CenterLineX2:
                return "CENTERX2";
                break;

        case RS2::BorderLine:
                return "BORDER";
                break;
        case RS2::BorderLine2:
                return "BORDER2";
                break;
        case RS2::BorderLineX2:
                return "BORDERX2";
                break;


        case RS2::LineByLayer:
                return "ByLayer";
                break;
        case RS2::LineByBlock:
                return "ByBlock";
                break;
        default:
                break;
        }

        return "CONTINUOUS";
}



/**
 * Converts a RS_LineType into a name for a line type.
 */
/*QString RS_FilterJWW::lineTypeToDescription(RS2::LineType lineType) {

        // Standard linetypes for QCad II / AutoCAD
        switch (lineType) {
        case RS2::SolidLine:
                return "Solid line";
        case RS2::DotLine:
                return "ISO Dashed __ __ __ __ __ __ __ __ __ __ _";
        case RS2::DashLine:
                return "ISO Dashed with Distance __	__	__	_";
        case RS2::DashDotLine:
                return "ISO Long Dashed Dotted ____ . ____ . __";
        case RS2::DashDotDotLine:
                return "ISO Long Dashed Double Dotted ____ .. __";
        case RS2::LineByLayer:
                return "";
        case RS2::LineByBlock:
                return "";
        default:
                break;
        }

        return "CONTINUOUS";
}*/



/**
 * Converts a line width number (e.g. 1) into a RS2::LineWidth.
 */
RS2::LineWidth RS_FilterJWW::numberToWidth(int num) {
        switch (num) {
        case -1:
                return RS2::WidthByLayer;
                break;
        case -2:
                return RS2::WidthByBlock;
                break;
        case -3:
                return RS2::WidthDefault;
                break;
        default:
                if (num<3) {
                        return RS2::Width00;
                } else if (num<7) {
                        return RS2::Width01;
                } else if (num<11) {
                        return RS2::Width02;
                } else if (num<14) {
                        return RS2::Width03;
                } else if (num<16) {
                        return RS2::Width04;
                } else if (num<19) {
                        return RS2::Width05;
                } else if (num<22) {
                        return RS2::Width06;
                } else if (num<27) {
                        return RS2::Width07;
                } else if (num<32) {
                        return RS2::Width08;
                } else if (num<37) {
                        return RS2::Width09;
                } else if (num<45) {
                        return RS2::Width10;
                } else if (num<52) {
                        return RS2::Width11;
                } else if (num<57) {
                        return RS2::Width12;
                } else if (num<65) {
                        return RS2::Width13;
                } else if (num<75) {
                        return RS2::Width14;
                } else if (num<85) {
                        return RS2::Width15;
                } else if (num<95) {
                        return RS2::Width16;
                } else if (num<103) {
                        return RS2::Width17;
                } else if (num<112) {
                        return RS2::Width18;
                } else if (num<130) {
                        return RS2::Width19;
                } else if (num<149) {
                        return RS2::Width20;
                } else if (num<180) {
                        return RS2::Width21;
                } else if (num<205) {
                        return RS2::Width22;
                } else {
                        return RS2::Width23;
                }
                break;
        }
        return (RS2::LineWidth)num;
}



/**
 * Converts a RS2::LineWidth into an int width.
 */
int RS_FilterJWW::widthToNumber(RS2::LineWidth width) {
        switch (width) {
        case RS2::WidthByLayer:
                return -1;
                break;
        case RS2::WidthByBlock:
                return -2;
                break;
        case RS2::WidthDefault:
                return -3;
                break;
        default:
                return (int)width;
                break;
        }
        return (int)width;
}



/**
 * Converts a native unicode string into a JWW encoded string.
 *
 * JWW endoding includes the following special sequences:
 * - %%%c for a diameter sign
 * - %%%d for a degree sign
 * - %%%p for a plus/minus sign
 */
QString RS_FilterJWW::toDxfString(const QString& string) {
        /*
           QString res = string;
           // Line feed:
           res = res.replace(RS_RegExp("\\n"), "\\P");
           // Space:
           res = res.replace(RS_RegExp(" "), "\\~");
           // diameter:
           res = res.replace(QChar(0x2205), "%%c");
           // degree:
           res = res.replace(QChar(0x00B0), "%%d");
           // plus/minus
           res = res.replace(QChar(0x00B1), "%%p");
        */

        QString res = "";

        for (int i=0; i<string.length(); ++i) {
                int c = string.at(i).unicode();
                switch (c) {
                case 0x0A:
                        res+="\\P";
                        break;
                case 0x20:
                        res+="\\~";
                        break;
                        // diameter:
                case 0x2205:
                        res+="%%c";
                        break;
                        // degree:
                case 0x00B0:
                        res+="%%d";
                        break;
                        // plus/minus
                case 0x00B1:
                        res+="%%p";
                        break;
                default:
                        if (c>127) {
                                QString hex;
                                hex = QString("%1").arg(c, 4, 16);
#if QT_VERSION>=0x030000

                                hex = hex.replace(' ', '0');
#else

                                hex = QStringCompat::replace(hex, ' ', '0');
#endif

                                res+=QString("\\U+%1").arg(hex);
                        } else {
                                res+=string.at(i);
                        }
                        break;
                }
        }

        return res;
}



/**
 * Converts a DXF encoded string into a native Unicode string.
 */
QString RS_FilterJWW::toNativeString(const char* data, const QString& encoding) {
    QString res = QString(data);

    /*	- If the given string doesn't contain any unicode characters, we pass
     *	  the string through a textcoder.
     *	--------------------------------------------------------------------- */
    if (!res.contains("\\U+")) {
        QTextCodec *codec = QTextCodec::codecForName(encoding.toLatin1());
        if (codec)
            res = codec->toUnicode(data);
    }

    // Line feed:
    res = res.replace(QRegExp("\\\\P"), "\n");
    // Space:
    res = res.replace(QRegExp("\\\\~"), " ");
    // diameter:
    res = res.replace(QRegExp("%%c"), QChar(0x2205));
    // degree:
    res = res.replace(QRegExp("%%d"), QChar(0x00B0));
    // plus/minus
    res = res.replace(QRegExp("%%p"), QChar(0x00B1));

    // Unicode characters:
    QString cap = "";
    int uCode = 0;
    bool ok = false;
    do {
        QRegExp regexp("\\\\U\\+[0-9A-Fa-f]{4,4}");
        regexp.indexIn(res);
        cap = regexp.cap();
        if (!cap.isNull()) {
            uCode = cap.right(4).toInt(&ok, 16);
            // workaround for Qt 3.0.x:
            res.replace(QRegExp("\\\\U\\+" + cap.right(4)), QChar(uCode));
            // for Qt 3.1:
            //res.replace(cap, QChar(uCode));
        }
    }
    while (!cap.isNull());

    // ASCII code:
    cap = "";
    uCode = 0;
    ok = false;
    do {
        QRegExp regexp("%%[0-9]{3,3}");
        regexp.indexIn(res);
        cap = regexp.cap();
        if (!cap.isNull()) {
            uCode = cap.right(3).toInt(&ok, 10);
            // workaround for Qt 3.0.x:
            res.replace(QRegExp("%%" + cap.right(3)), QChar(uCode));
            // for Qt 3.1:
            //res.replace(cap, QChar(uCode));
        }
    }
    while (!cap.isNull());

    // Ignore font tags:
    res = res.replace(QRegExp("\\\\f[0-9A-Za-z| ]{0,};"), "");

    // Ignore {}
    res = res.replace("\\{", "#curly#");
    res = res.replace("{", "");
    res = res.replace("#curly#", "{");

    res = res.replace("\\}", "#curly#");
    res = res.replace("}", "");
    res = res.replace("#curly#", "}");

    RS_DEBUG->print("RS_FilterDXF::toNativeString:");
    RS_DEBUG->printUnicode(res);
    return res;
}



/**
 * Converts the given number from a JWW file into an AngleFormat enum.
 *
 * @param num $DIMAUNIT from JWW (0: decimal deg, 1: deg/min/sec, 2: gradians,
 *								3: radians, 4: surveyor's units)
 *
 * @ret Matching AngleFormat enum value.
 */
RS2::AngleFormat RS_FilterJWW::numberToAngleFormat(int num) {

        RS2::AngleFormat af;

        switch (num) {
        default:
        case 0:
                af = RS2::DegreesDecimal;
                break;
        case 1:
                af = RS2::DegreesMinutesSeconds;
                break;
        case 2:
                af = RS2::Gradians;
                break;
        case 3:
                af = RS2::Radians;
                break;
        case 4:
                af = RS2::Surveyors;
                break;
        }

        return af;
}


/**
 * Converts AngleFormat enum to JWW number.
 */
int RS_FilterJWW::angleFormatToNumber(RS2::AngleFormat af) {

        int num;

        switch (af) {
        default:
        case RS2::DegreesDecimal:
                num = 0;
                break;
        case RS2::DegreesMinutesSeconds:
                num = 1;
                break;
        case RS2::Gradians:
                num = 2;
                break;
        case RS2::Radians:
                num = 3;
                break;
        case RS2::Surveyors:
                num = 4;
                break;
        }

        return num;
}



/**
 * converts a JWW unit setting (e.g. INSUNITS) to a unit enum.
 */
RS2::Unit RS_FilterJWW::numberToUnit(int num) {
        switch (num) {
        default:
        case  0:
                return RS2::None;
                break;
        case  1:
                return RS2::Inch;
                break;
        case  2:
                return RS2::Foot;
                break;
        case  3:
                return RS2::Mile;
                break;
        case  4:
                return RS2::Millimeter;
                break;
        case  5:
                return RS2::Centimeter;
                break;
        case  6:
                return RS2::Meter;
                break;
        case  7:
                return RS2::Kilometer;
                break;
        case  8:
                return RS2::Microinch;
                break;
        case  9:
                return RS2::Mil;
                break;
        case 10:
                return RS2::Yard;
                break;
        case 11:
                return RS2::Angstrom;
                break;
        case 12:
                return RS2::Nanometer;
                break;
        case 13:
                return RS2::Micron;
                break;
        case 14:
                return RS2::Decimeter;
                break;
        case 15:
                return RS2::Decameter;
                break;
        case 16:
                return RS2::Hectometer;
                break;
        case 17:
                return RS2::Gigameter;
                break;
        case 18:
                return RS2::Astro;
                break;
        case 19:
                return RS2::Lightyear;
                break;
        case 20:
                return RS2::Parsec;
                break;
        }

        return RS2::None;
}



/**
 * Converst a unit enum into a JWW unit number e.g. for INSUNITS.
 */
int RS_FilterJWW::unitToNumber(RS2::Unit unit) {
        switch (unit) {
        default:
        case RS2::None:
                return  0;
                break;
        case RS2::Inch:
                return  1;
                break;
        case RS2::Foot:
                return  2;
                break;
        case RS2::Mile:
                return  3;
                break;
        case RS2::Millimeter:
                return  4;
                break;
        case RS2::Centimeter:
                return  5;
                break;
        case RS2::Meter:
                return  6;
                break;
        case RS2::Kilometer:
                return  7;
                break;
        case RS2::Microinch:
                return  8;
                break;
        case RS2::Mil:
                return  9;
                break;
        case RS2::Yard:
                return 10;
                break;
        case RS2::Angstrom:
                return 11;
                break;
        case RS2::Nanometer:
                return 12;
                break;
        case RS2::Micron:
                return 13;
                break;
        case RS2::Decimeter:
                return 14;
                break;
        case RS2::Decameter:
                return 15;
                break;
        case RS2::Hectometer:
                return 16;
                break;
        case RS2::Gigameter:
                return 17;
                break;
        case RS2::Astro:
                return 18;
                break;
        case RS2::Lightyear:
                return 19;
                break;
        case RS2::Parsec:
                return 20;
                break;
        }

        return 0;
}



/**
 * Checks if the given variable is two-dimensional (e.g. $LIMMIN).
 */
bool RS_FilterJWW::isVariableTwoDimensional(const QString& var) {
        if (var=="$LIMMIN" ||
                        var=="$LIMMAX" ||
                        var=="$PLIMMIN" ||
                        var=="$PLIMMAX" ||
                        var=="$GRIDUNIT" ||
                        var=="$VIEWCTR") {

                return true;
        } else {
                return false;
        }
}

// EOF

