/*
Copyright 2005 Simon Mieth
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package org.kabeja.parser.entities;
import org.kabeja.dxf.DXFConstants;
import org.kabeja.dxf.DXFEntity;
import org.kabeja.dxf.DXFSpline;
import org.kabeja.dxf.helpers.SplinePoint;
import org.kabeja.parser.DXFValue;
/**
* @author <a href="mailto:simon.mieth@gmx.de">Simon Mieth</a>
*
*/
public class DXFSplineHandler extends AbstractEntityHandler {
public static final int CONTROL_POINT_X = 10;
public static final int CONTROL_POINT_Y = 20;
public static final int CONTROL_POINT_Z = 30;
public static final int FIT_POINT_X = 11;
public static final int FIT_POINT_Y = 21;
public static final int FIT_POINT_Z = 31;
public static final int START_TANGENT_X = 12;
public static final int START_TANGENT_Y = 22;
public static final int START_TANGENT_Z = 32;
public static final int END_TANGENT_X = 13;
public static final int END_TANGENT_Y = 23;
public static final int END_TANGENT_Z = 33;
public static final int FIT_TOLERANCE = 44;
public static final int KNOTS = 40;
public static final int WEIGHTS = 41;
public static final int CONTROLPOINT_TOLERANCE = 42;
public static final int KNOT_TOLERANCE = 43;
public static final int NUMBER_OF_FIT_POINTS = 74;
public static final int NUMBER_OF_CONTROL_POINTS = 73;
public static final int NUMBER_OF_CONTROL_POINTS2 = 96;
public static final int NUMBER_OF_NODES = 72;
public static final int NUMBER_OF_NODES2 = 95;
public static final int DEGREE = 71;
private DXFSpline spline;
private SplinePoint point;
private double[] knots;
private double[] weights;
private int knotsCount;
private int controlPointCount;
/*
* (non-Javadoc)
*
* @see de.miethxml.kabeja.parser.entities.DXFEntityHandler#getDXFEntityName()
*/
public String getDXFEntityName() {
return DXFConstants.ENTITY_TYPE_SPLINE;
}
/*
* (non-Javadoc)
*
* @see de.miethxml.kabeja.parser.entities.DXFEntityHandler#endDXFEntity()
*/
public void endDXFEntity() {
spline.setKnots(knots);
spline.setWeights(weights);
}
/*
* (non-Javadoc)
*
* @see de.miethxml.kabeja.parser.entities.DXFEntityHandler#getDXFEntity()
*/
public DXFEntity getDXFEntity() {
return spline;
}
/*
* (non-Javadoc)
*
* @see de.miethxml.kabeja.parser.entities.DXFEntityHandler#isFollowSequence()
*/
public boolean isFollowSequence() {
return false;
}
/*
* (non-Javadoc)
*
* @see de.miethxml.kabeja.parser.entities.DXFEntityHandler#parseGroup(int,
* de.miethxml.kabeja.parser.DXFValue)
*/
public void parseGroup(int groupCode, DXFValue value) {
switch (groupCode) {
case DEGREE:
spline.setDegree(value.getIntegerValue());
break;
case NUMBER_OF_CONTROL_POINTS:
weights = new double[value.getIntegerValue()];
controlPointCount = 0;
spline.setControlPointSize(value.getIntegerValue());
break;
case NUMBER_OF_FIT_POINTS:
spline.setFitPointSize(value.getIntegerValue());
break;
case NUMBER_OF_NODES:
knots = new double[value.getIntegerValue()];
knotsCount = 0;
spline.setNodePointsSize(value.getIntegerValue());
break;
case NUMBER_OF_NODES2:
knots = new double[value.getIntegerValue()];
knotsCount = 0;
spline.setNodePointsSize(value.getIntegerValue());
break;
case FIT_TOLERANCE:
spline.setFitTolerance(value.getDoubleValue());
break;
case KNOTS:
knots[knotsCount] = value.getDoubleValue();
knotsCount++;
break;
case KNOT_TOLERANCE:
spline.setKnotsTolerance(value.getDoubleValue());
break;
case WEIGHTS:
weights[controlPointCount] = value.getDoubleValue();
controlPointCount++;
break;
case CONTROLPOINT_TOLERANCE:
spline.setControlPointTolerance(value.getDoubleValue());
break;
case FIT_POINT_X:
point = new SplinePoint();
point.setType(SplinePoint.TYPE_FITPOINT);
point.setX(value.getDoubleValue());
spline.addSplinePoint(point);
break;
case FIT_POINT_Y:
point.setY(value.getDoubleValue());
break;
case FIT_POINT_Z:
point.setZ(value.getDoubleValue());
break;
case CONTROL_POINT_X:
point = new SplinePoint();
point.setType(SplinePoint.TYPE_CONTROLPOINT);
point.setX(value.getDoubleValue());
spline.addSplinePoint(point);
break;
case CONTROL_POINT_Y:
point.setY(value.getDoubleValue());
break;
case CONTROL_POINT_Z:
point.setZ(value.getDoubleValue());
break;
case START_TANGENT_X:
point = new SplinePoint();
point.setType(SplinePoint.TYPE_STARTTANGENT);
point.setX(value.getDoubleValue());
spline.addSplinePoint(point);
break;
case START_TANGENT_Y:
point.setY(value.getDoubleValue());
break;
case START_TANGENT_Z:
point.setZ(value.getDoubleValue());
break;
case END_TANGENT_X:
point = new SplinePoint();
point.setType(SplinePoint.TYPE_ENDTANGENT);
point.setX(value.getDoubleValue());
spline.addSplinePoint(point);
break;
case END_TANGENT_Y:
point.setY(value.getDoubleValue());
break;
case END_TANGENT_Z:
point.setZ(value.getDoubleValue());
break;
default:
super.parseCommonProperty(groupCode, value, spline);
}
}
/*
* (non-Javadoc)
*
* @see de.miethxml.kabeja.parser.entities.DXFEntityHandler#startDXFEntity()
*/
public void startDXFEntity() {
spline = new DXFSpline();
}
}