| /* ==================================================================== |
| 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.ss.examples.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]); |
| } |
| } |