https://bz.apache.org/bugzilla/show_bug.cgi?id=63290
--- Comment #2 from Axel Richter <axel.richter.pri...@web.de> ---
Used PowerPoint presentation, see attachment.
This only contains one text field containing one paragraph having the issue.
Used Code:
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import javax.imageio.ImageIO;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFSlide;
import java.util.List;
public class PptToImageSimplest {
public static void main(String args[]) throws Exception {
FileInputStream in =new FileInputStream("PPT.pptx");
XMLSlideShow ppt = new XMLSlideShow(in);
//get the dimension of size of the slide
Dimension pgsize = ppt.getPageSize();
//get slides
List<XSLFSlide> slides = ppt.getSlides();
BufferedImage img = null;
FileOutputStream out = null;
for (int i = 0; i < slides.size(); i++) {
img = new BufferedImage((int)Math.ceil(pgsize.width),
(int)Math.ceil(pgsize.height), BufferedImage.TYPE_INT_RGB);
Graphics2D graphics = img.createGraphics();
//clear the drawing area
graphics.setPaint(Color.white);
graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height));
//render
slides.get(i).draw(graphics);
//creating an image file as output
out = new FileOutputStream("ppt_image_" + i + ".png");
ImageIO.write(img, "png", out);
out.close();
}
}
}
Problem:
Apache POI .draw(graphics) does not draw the first text run in text field
properly.
Reason:
The text field contains a paragraph which uses Default Run Properties in
Paragraph Properties. The first text run has no Run Properties of it's own. XML
looks like:
<a:p>
<a:pPr>
<a:defRPr lang="de-DE" sz="4000" dirty="0" err="1" smtClean="0">
<a:solidFill>
<a:srgbClr val="FF0000"/>
</a:solidFill>
</a:defRPr>
</a:pPr>
<a:r>
<a:t>DefaultRunProperties </a:t>
</a:r>
<a:r>
<a:rPr lang="de-DE" sz="4000" dirty="0" err="1" smtClean="0">
<a:solidFill>
<a:srgbClr val="00FF00"/>
</a:solidFill>
</a:rPr>
<a:t>ExplicitRunProperties</a:t>
</a:r>
</a:p>
PowerPoint renders it so that first run inherits the defRP. But Apache POI does
not.
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