/* ====================================================================
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.xssf.model;
import org.apache.poi.POIXMLDocumentPart;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.openxml4j.opc.PackageRelationship;
import org.apache.poi.xssf.usermodel.XSSFColor;
import org.apache.xmlbeans.XmlObject;
import org.openxmlformats.schemas.drawingml.x2006.main.CTColorScheme;
import org.openxmlformats.schemas.drawingml.x2006.main.ThemeDocument;
import org.openxmlformats.schemas.drawingml.x2006.main.CTColor;
/**
* Class that represents theme of XLSX document. The theme includes specific
* colors and fonts.
*
* @author Petr Udalau(Petr.Udalau at exigenservices.com) - theme colors
*/
public class ThemesTable extends POIXMLDocumentPart {
private ThemeDocument theme;
public ThemesTable(PackagePart part, PackageRelationship rel) throws Exception {
super(part, rel);
theme = ThemeDocument.Factory.parse(part.getInputStream());
}
public ThemesTable(ThemeDocument theme) {
this.theme = theme;
}
public XSSFColor getThemeColor(int idx) {
CTColorScheme colorScheme = theme.getTheme().getThemeElements().getClrScheme();
CTColor ctColor = null;
int cnt = 0;
for (XmlObject obj : colorScheme.selectPath("./*")) {
if (obj instanceof org.openxmlformats.schemas.drawingml.x2006.main.CTColor) {
if (cnt == idx) {
ctColor = (org.openxmlformats.schemas.drawingml.x2006.main.CTColor) obj;
byte[] rgb = null;
if (ctColor.getSrgbClr() != null) {
// Colour is a regular one
rgb = ctColor.getSrgbClr().getVal();
} else if (ctColor.getSysClr() != null) {
// Colour is a tint of white or black
rgb = ctColor.getSysClr().getLastClr();
}
return new XSSFColor(rgb);
}
cnt++;
}
}
return null;
}
}