[英]org.apache.poi.xslf.usermodel send image behind the text
我正在制作一個可以創建幻燈片放映的應用程序。 我設法在每張幻燈片上放一張圖片,但它覆蓋了書面文字。 怎么把文字放在圖片前面?
這是我的代碼。
public void createNewSlide() throws FileNotFoundException, IOException{
XMLSlideShow ppt = new XMLSlideShow();
XSLFSlideMaster master = ppt.getSlideMasters().get(0);
XSLFSlideLayout layout = master.getLayout(SlideLayout.TITLE_ONLY);
//propiedades do slide
ppt.setPageSize(new Dimension(1280,720));
XSLFSlide slide = ppt.createSlide(layout);
//primeiro slide, começando com texto
XSLFTextShape title = slide.getPlaceholder(0);
title.clearText();
XSLFTextParagraph paragraph = title.addNewTextParagraph();
XSLFTextRun textRun = paragraph.addNewTextRun();
textRun.setText("Simple Text");
textRun.setFontColor(Color.decode("#00ff99"));
textRun.setFontSize(60.);
title.setAnchor(new Rectangle(100,100,500,500));
//adicionando imagem ao ppt
byte[] picData = IOUtils.toByteArray(new FileInputStream("espace.jpg"));
XSLFPictureData pcData = ppt.addPicture(picData, PictureData.PictureType.JPEG);
XSLFPictureShape pictureShape = slide.createPicture(pcData);
pictureShape.setAnchor(new Rectangle(0,0,1280,720));
FileOutputStream out = new FileOutputStream("AprentacaoTeste.pptx");
ppt.write(out);
out.close();
ppt.close();
}
這些是我的依賴項
<dependencies>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>4.0.1</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>4.0.1</version>
</dependency>
</dependencies>
我使用 netbeans 作為 IDE
您插入的圖片是形狀樹中的最后一個形狀。 所以它在形狀樹中的所有其他形狀之前。 它必須是形狀樹中的第一個形狀,在所有其他形狀之后。 但是如果已經添加了形狀,則很難更改形狀樹的順序。 在添加其他形狀之前,占位符已經存在於布局中。
但我認為,您要做的是為幻燈片設置背景圖片。 ooxml-schemas
這也只能使用底層ooxml-schemas
類。 但這比更改形狀樹的順序要直接得多。
例子:
import java.io.FileOutputStream;
import java.io.FileInputStream;
import org.apache.poi.util.IOUtils;
import org.apache.poi.sl.usermodel.PictureData;
import org.apache.poi.xslf.usermodel.*;
import org.openxmlformats.schemas.presentationml.x2006.main.CTBackgroundProperties;
import org.openxmlformats.schemas.drawingml.x2006.main.CTBlipFillProperties;
import org.openxmlformats.schemas.drawingml.x2006.main.CTRelativeRect;
import org.openxmlformats.schemas.drawingml.x2006.main.CTBlip;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Color;
public class CreatePPTXPictureBehindText {
static void setBackgroundPicture(XSLFSlide slide, String picturePath, PictureData.PictureType pictureType) throws Exception {
byte[] picData = IOUtils.toByteArray(new FileInputStream(picturePath));
XSLFPictureData pcData = slide.getSlideShow().addPicture(picData, pictureType);
CTBackgroundProperties backgroundProperties = slide.getXmlObject().getCSld().addNewBg().addNewBgPr();
CTBlipFillProperties blipFillProperties = backgroundProperties.addNewBlipFill();
CTRelativeRect ctRelativeRect = blipFillProperties.addNewStretch().addNewFillRect();
String idx = slide.addRelation(null, XSLFRelation.IMAGES, pcData).getRelationship().getId();
CTBlip blib = blipFillProperties.addNewBlip();
blib.setEmbed(idx);
}
public static void main(String[] args) throws Exception {
XMLSlideShow ppt = new XMLSlideShow();
//set page size
ppt.setPageSize(new Dimension(1280,720));
//create first slide title layout
XSLFSlideMaster master = ppt.getSlideMasters().get(0);
XSLFSlideLayout layout = master.getLayout(SlideLayout.TITLE_ONLY);
XSLFSlide slide = ppt.createSlide(layout);
//set title placeholder's text and anchor
XSLFTextShape title = slide.getPlaceholder(0);
title.clearText();
XSLFTextParagraph paragraph = title.addNewTextParagraph();
XSLFTextRun textRun = paragraph.addNewTextRun();
textRun.setText("Simple Text");
textRun.setFontColor(Color.decode("#00ff99"));
textRun.setFontSize(60.);
title.setAnchor(new Rectangle(100,100,500,500));
//set background picture for slide
setBackgroundPicture(slide, "./espace.jpeg", PictureData.PictureType.JPEG);
FileOutputStream out = new FileOutputStream("./AprentacaoTeste.pptx");
ppt.write(out);
out.close();
ppt.close();
}
}
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