SVGToleranceGenerator.java example

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/*******************************************************************************
 * Copyright 2010 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.svg.generators;

import java.util.Map;

import org.kabeja.common.DraftEntity;
import org.kabeja.entities.Tolerance;
import org.kabeja.entities.util.DimensionStyle;
import org.kabeja.math.MathUtils;
import org.kabeja.math.TransformContext;
import org.kabeja.util.Constants;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;


public class SVGToleranceGenerator extends AbstractSVGSAXGenerator {
    public void toSAX(ContentHandler handler, Map svgContext, DraftEntity entity,
        TransformContext transformContext) throws SAXException {
        //TODO implement the SVG tolerance generator
        Tolerance tolerance = (Tolerance) entity;
        DimensionStyle style = tolerance.getDocument()
                                           .getDimensionStyle(tolerance.getStyleID());

        double angle = MathUtils.getAngle(tolerance.getXaxisDirection(),
                Constants.DEFAULT_X_AXIS_VECTOR);
        double textHeight = style.getDoubleProperty(DimensionStyle.PROPERTY_DIMTXT);
        double scale = style.getDoubleProperty(DimensionStyle.PROPERTY_DIMSCALE,
                1.0);
        textHeight *= scale;
    }
}