com.googlecode.blaisemath.svg.render.SvgImageRenderer Maven / Gradle / Ivy

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package com.googlecode.blaisemath.svg.render;

/*-
 * #%L
 * blaise-svg
 * --
 * Copyright (C) 2014 - 2020 Elisha Peterson
 * --
 * 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.
 * #L%
 */

import com.googlecode.blaisemath.graphics.swing.render.ImageRenderer;
import com.googlecode.blaisemath.primitive.AnchoredImage;
import com.googlecode.blaisemath.style.AttributeSet;
import com.googlecode.blaisemath.svg.xml.SvgImage;

import java.awt.geom.Rectangle2D;

/**
 * Write SVG image representation.
 * @author Elisha Peterson
 */
public class SvgImageRenderer extends SvgRenderer {

    @Override
    public void render(AnchoredImage i, AttributeSet style, SvgTreeBuilder canvas) {
        if (i == null || i.getWidth() == 0 || i.getHeight() == 0) {
            throw new SvgRenderException("Missing or 0 width/height image cannot be converted.");
        }

        Rectangle2D r = new ImageRenderer().boundingBox(i, style, null);
        SvgImage res = SvgImage.create((float) r.getX(), (float) r.getY(), (float) r.getWidth(), (float) r.getHeight(), i.getReference());

        res.id = StyleWriter.id(style);
        res.style = StyleWriter.toString(style);

        canvas.add(res);
    }

}