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- /* ====================================================================
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- 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
- 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.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.
- *
- * @author Ken Arnold, Industrious Media LLC
- */
- 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]);
- }
- }
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