rs_filterdxf.cpp

qcad2.05可用于windows和linux的源码

/****************************************************************************
** $Id: rs_filterdxf.cpp 2371 2005-04-29 11:44:39Z andrew $
**
** 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 [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/


#include "rs_filterdxf.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_fileinfo.h"
#include "rs_hatch.h"
#include "rs_image.h"
#include "rs_leader.h"
#include "rs_regexp.h"
#include "rs_system.h"

#include <qtextcodec.h>

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

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

    addImportFormat(RS2::FormatDXF);
    addExportFormat(RS2::FormatDXF);
    addExportFormat(RS2::FormatDXF12);

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



/**
 * Destructor.
 */
RS_FilterDXF::~RS_FilterDXF() {
    RS_DEBUG->print("RS_FilterDXF::~RS_FilterDXF()");
    RS_DEBUG->print("RS_FilterDXF::~RS_FilterDXF(): 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_FilterDXF::fileImport(RS_Graphic& g, const RS_String& file, RS2::FormatType /*type*/) {
    RS_DEBUG->print("RS_FilterDXF::fileImport");
    //RS_DEBUG->timestamp();

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

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

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

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

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

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

    return true;
}



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

    RS_DEBUG->print("RS_FilterDXF::addLayer: creating layer");
    RS_Layer* layer = new RS_Layer(data.name.c_str());
    RS_DEBUG->print("RS_FilterDXF::addLayer: set pen");
    layer->setPen(attributesToPen(attributes));
    //layer->setFlags(data.flags&0x07);

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

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



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

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

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


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

#ifndef RS_NO_COMPLEX_ENTITIES
        if (RS_String(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);
            RS_Block* block =
                new RS_Block(graphic,
                             RS_BlockData(data.name.c_str(), 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_FilterDXF::endBlock() {
    currentContainer = graphic;
}



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

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

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

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

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

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

    currentContainer->addEntity(entity);

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



/**
 * Implementation of the method which handles arc entities.
 * 
 * @param angle1 Start angle in deg (!)
 * @param angle2 End angle in deg (!)
 */
void RS_FilterDXF::addArc(const DL_ArcData& data) {
    RS_DEBUG->print("RS_FilterDXF::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_FilterDXF::addEllipse(const DL_EllipseData& data) {
    RS_DEBUG->print("RS_FilterDXF::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_FilterDXF::addCircle(const DL_CircleData& data) {
    RS_DEBUG->print("RS_FilterDXF::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_FilterDXF::addPolyline(const DL_PolylineData& data) {
    RS_DEBUG->print("RS_FilterDXF::addPolyline");
    //RS_DEBUG->print("RS_FilterDXF::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_FilterDXF::addVertex(const DL_VertexData& data) {
    RS_DEBUG->print("RS_FilterDXF::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_FilterDXF::addSpline(const DL_SplineData& data) {
    RS_DEBUG->print("RS_FilterDXF::addSpline: degree: %d", data.degree);

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


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

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

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



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

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

    if (RS_String(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);
}