com.itextpdf.html2pdf.css.apply.impl.HrTagCssApplier Maven / Gradle / Ivy

/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2020 iText Group NV
    Authors: iText Software.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License version 3
    as published by the Free Software Foundation with the addition of the
    following permission added to Section 15 as permitted in Section 7(a):
    FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
    ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
    OF THIRD PARTY RIGHTS

    This program is distributed in the hope that it will be useful, but
    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    or FITNESS FOR A PARTICULAR PURPOSE.
    See the GNU Affero General Public License for more details.
    You should have received a copy of the GNU Affero General Public License
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    Boston, MA, 02110-1301 USA, or download the license from the following URL:
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 */
package com.itextpdf.html2pdf.css.apply.impl;

import com.itextpdf.html2pdf.attach.ITagWorker;
import com.itextpdf.html2pdf.attach.ProcessorContext;
import com.itextpdf.html2pdf.css.CssConstants;
import com.itextpdf.html2pdf.css.apply.ICssApplier;
import com.itextpdf.styledxmlparser.node.IStylesContainer;

import java.util.HashMap;
import java.util.Map;

/**
 * {@link ICssApplier} implementation for hr elements.
 */
public class HrTagCssApplier extends BlockCssApplier {

    /* (non-Javadoc)
     * @see com.itextpdf.html2pdf.css.apply.ICssApplier#apply(com.itextpdf.html2pdf.attach.ProcessorContext, com.itextpdf.html2pdf.html.node.IStylesContainer, com.itextpdf.html2pdf.attach.ITagWorker)
     */
    @Override
    public void apply(ProcessorContext context, IStylesContainer stylesContainer, ITagWorker tagWorker) {
        Map originalStyles = stylesContainer.getStyles();
        Map styles = new HashMap<>(originalStyles);
        // In general, if border color is not specified, it should take the value from color CSS property.
        // However,  tag is an exception from this rule and color property does not affect the border color.
        // This is a workaround to solve the problem of color property being taken into account for  tag.
        // Please note that this problem might as well be solved at BorderStyleApplierUtil.
        styles.remove(CssConstants.COLOR);
        stylesContainer.setStyles(styles);
        super.apply(context, stylesContainer, tagWorker);
        stylesContainer.setStyles(originalStyles);
    }
}