org.apache.poi.examples.ss.html.XSSFHtmlHelper Maven / Gradle / Ivy
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this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
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http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.poi.examples.ss.html;
import java.util.Formatter;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFColor;
/**
* Implementation of {@link HtmlHelper} for XSSF files.
*/
public class XSSFHtmlHelper implements HtmlHelper {
@Override
public void colorStyles(CellStyle style, Formatter out) {
XSSFCellStyle cs = (XSSFCellStyle) style;
styleColor(out, "background-color", cs.getFillForegroundXSSFColor());
styleColor(out, "text-color", cs.getFont().getXSSFColor());
}
private void styleColor(Formatter out, String attr, XSSFColor color) {
if (color == null || color.isAuto()) {
return;
}
byte[] rgb = color.getRGB();
if (rgb == null) {
return;
}
// This is done twice -- rgba is new with CSS 3, and browser that don't
// support it will ignore the rgba specification and stick with the
// solid color, which is declared first
out.format(" %s: #%02x%02x%02x;%n", attr, rgb[0], rgb[1], rgb[2]);
byte[] argb = color.getARGB();
if (argb == null) {
return;
}
out.format(" %s: rgba(0x%02x, 0x%02x, 0x%02x, 0x%02x);%n", attr,
argb[3], argb[0], argb[1], argb[2]);
}
}