org.apache.poi.xslf.usermodel.XSLFBackground Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of apache-poi-ooxml Show documentation

The Apache Commons Codec package contains simple encoder and decoders for various formats such as Base64 and Hexadecimal. In addition to these widely used encoders and decoders, the codec package also maintains a collection of phonetic encoding utilities.

There is a newer version: 62

Show newest version

/* ====================================================================
   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.xslf.usermodel;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.geom.Rectangle2D;

import org.apache.poi.ooxml.POIXMLException;
import org.apache.poi.sl.usermodel.Background;
import org.apache.poi.sl.usermodel.Placeholder;
import org.apache.xmlbeans.XmlObject;
import org.openxmlformats.schemas.drawingml.x2006.main.CTSolidColorFillProperties;
import org.openxmlformats.schemas.drawingml.x2006.main.CTTransform2D;
import org.openxmlformats.schemas.presentationml.x2006.main.CTBackground;
import org.openxmlformats.schemas.presentationml.x2006.main.CTBackgroundProperties;

/**
 * Background shape
 */
public class XSLFBackground extends XSLFSimpleShape
    implements Background {

    /* package */XSLFBackground(CTBackground shape, XSLFSheet sheet) {
        super(shape, sheet);
    }

    @Override
    public Rectangle2D getAnchor(){
        Dimension pg = getSheet().getSlideShow().getPageSize();
        return new Rectangle2D.Double(0, 0, pg.getWidth(), pg.getHeight());
    }

    /**
     * background does not have a associated transform, therefore we return null
     *
     * @param create ignored
     *
     * @return null
     */
    @Override
    protected CTTransform2D getXfrm(boolean create) {
        return null;
    }

    @Override
    public void setPlaceholder(Placeholder placeholder) {
        // extending XSLFSimpleShape is a bit unlucky ...
        throw new POIXMLException("Can't set a placeholder for a background");
    }

    protected CTBackgroundProperties getBgPr(boolean create) {
        CTBackground bg = (CTBackground)getXmlObject();
        if (!bg.isSetBgPr() && create) {
            if (bg.isSetBgRef()) {
                bg.unsetBgRef();
            }
            return bg.addNewBgPr();
        }
        return bg.getBgPr();
    }

    public void setFillColor(Color color) {
        CTBackgroundProperties bgPr = getBgPr(true);

        if (bgPr.isSetBlipFill()) {
            bgPr.unsetBlipFill();
        }
        if (bgPr.isSetGradFill()) {
            bgPr.unsetGradFill();
        }
        if (bgPr.isSetGrpFill()) {
            bgPr.unsetGrpFill();
        }
        if (bgPr.isSetPattFill()) {
            bgPr.unsetPattFill();
        }

        if (color == null) {
            if (bgPr.isSetSolidFill()) {
                bgPr.unsetSolidFill();
            }

            if (!bgPr.isSetNoFill()) {
                bgPr.addNewNoFill();
            }
        } else {
            if (bgPr.isSetNoFill()) {
                bgPr.unsetNoFill();
            }

            CTSolidColorFillProperties fill = bgPr.isSetSolidFill() ? bgPr.getSolidFill() : bgPr.addNewSolidFill();

            XSLFColor col = new XSLFColor(fill, getSheet().getTheme(), fill.getSchemeClr(), getSheet());
            col.setColor(color);
        }
    }

    @Override
    protected XmlObject getShapeProperties() {
        CTBackground bg = (CTBackground)getXmlObject();
        if (bg.isSetBgPr()) {
            return bg.getBgPr();
        } else if (bg.isSetBgRef()) {
            return bg.getBgRef();
        } else {
            return null;
        }
    }
}