org.apache.poi.hslf.model.Background 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.hslf.model;
import org.apache.poi.ddf.EscherContainerRecord;
import org.apache.poi.hslf.usermodel.PictureData;
import org.apache.poi.hslf.blip.Bitmap;
import org.apache.poi.util.POILogger;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
/**
* Background shape
*
* @author Yegor Kozlov
*/
public final class Background extends Shape {
protected Background(EscherContainerRecord escherRecord, Shape parent) {
super(escherRecord, parent);
}
protected EscherContainerRecord createSpContainer(boolean isChild) {
return null;
}
public void draw(Graphics2D graphics) {
Fill f = getFill();
Dimension pg = getSheet().getSlideShow().getPageSize();
Rectangle anchor = new Rectangle(0, 0, pg.width, pg.height);
switch (f.getFillType()) {
case Fill.FILL_SOLID:
Color color = f.getForegroundColor();
graphics.setPaint(color);
graphics.fill(anchor);
break;
case Fill.FILL_PICTURE:
PictureData data = f.getPictureData();
if (data instanceof Bitmap) {
BufferedImage img = null;
try {
img = ImageIO.read(new ByteArrayInputStream(data.getData()));
} catch (Exception e) {
logger.log(POILogger.WARN, "ImageIO failed to create image. image.type: " + data.getType());
return;
}
Image scaledImg = img.getScaledInstance(anchor.width, anchor.height, Image.SCALE_SMOOTH);
graphics.drawImage(scaledImg, anchor.x, anchor.y, null);
}
break;
default:
logger.log(POILogger.WARN, "unsuported fill type: " + f.getFillType());
break;
}
}
}