Java利用Spire.Presentation for Java实现高效处理图片转PPT

  <repositories>
    <repository>
        <id>com.e-iceblue</id>
        <name>e-iceblue</name>
        <url>https://repo.e-iceblue.cn/repository/maven-public/</url>
    </repository>
</repositories>
<dependencies>
    <dependency>
        <groupId>e-iceblue</groupId>
        <artifactId>spire.presentation</artifactId>
        <version>10.10.2</version>
    </dependency>
</dependencies>

import com.spire.presentation.*;
import com.spire.presentation.drawing.*;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;

public class ConvertImagesAsBackground {

   public static void main(String[] args) throws Exception {

       // 创建一个 Presentation 对象
       Presentation presentation = new Presentation();

       // 设置幻灯片大小类型
       presentation.getSlideSize().setType(SlideSizeType.SCREEN_16_X_9);

       // 移除默认幻灯片
       presentation.getSlides().removeAt(0);

       // 从文件夹中获取图片文件
       File directoryPath = new File("/图片");
       File[] picFiles  = directoryPath.listFiles();

       // 遍历图片文件
       for (int i = 0; i < picFiles.length; i++)
       {
           // 添加一张幻灯片
           ISlide slide = presentation.getSlides().append();

           // 获取一张图片
           String imageFile = picFiles[i].getAbsolutePath();

           // 将该图片添加到图片集合中
           BufferedImage bufferedImage =  ImageIO.read(new FileInputStream(imageFile));
           IImageData imageData = presentation.getImages().append(bufferedImage);

           // 将该图片设置为幻灯片的背景图片
           slide.getSlideBackground().setType(BackgroundType.CUSTOM);
           slide.getSlideBackground().getFill().setFillType(FillFormatType.PICTURE);
           slide.getSlideBackground().getFill().getPictureFill().setFillType(PictureFillType.STRETCH);
           slide.getSlideBackground().getFill().getPictureFill().getPicture().setEmbedImage(imageData);
       }

       // 保存结果文件
       presentation.saveToFile("/转换图片为背景.pptx", FileFormat.PPTX_2013);
   }
}

import com.spire.presentation.*;
import com.spire.presentation.drawing.*;

import javax.imageio.ImageIO;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;

public class ConvertImageToShape {

   public static void main(String[] args) throws Exception {

       // 创建一个 Presentation 类的对象
       Presentation presentation = new Presentation();

       // 设置幻灯片大小类型
       presentation.getSlideSize().setType(SlideSizeType.SCREEN_16_X_9);

       // 移除默认幻灯片
       presentation.getSlides().removeAt(0);

       // 从文件夹中获取图片文件
       File directoryPath = new File("/图片");
       File[] picFiles  = directoryPath.listFiles();

       // 遍历图片
       for (int i = 0; i < picFiles.length; i++)
       {
           // 添加一张幻灯片
           ISlide slide = presentation.getSlides().append();

           // 获取一张图片
           String imageFile = picFiles[i].getAbsolutePath();

           // 将图片添加到图片集合中
           BufferedImage bufferedImage =  ImageIO.read(new FileInputStream(imageFile));
           IImageData imageData = presentation.getImages().append(bufferedImage);

           // 添加一个与幻灯片同样大小的形状
           IAutoShape shape = slide.getShapes().appendShape(ShapeType.RECTANGLE, new Rectangle2D.Float(0, 0, (float) presentation.getSlideSize().getSize().getWidth(), (float)presentation.getSlideSize().getSize().getHeight()));

           // 用图片填充形状
           shape.getLine().setFillType(FillFormatType.NONE);
           shape.getFill().setFillType(FillFormatType.PICTURE);
           shape.getFill().getPictureFill().setFillType(PictureFillType.STRETCH);
           shape.getFill().getPictureFill().getPicture().setEmbedImage(imageData);
       }

       // 保存结果文件
       presentation.saveToFile("/图片转换为形状.pptx", FileFormat.PPTX_2013);
   }
}

import com.spire.pdf.graphics.PdfGraphicsUnit;
import com.spire.pdf.graphics.PdfUnitConvertor;
import com.spire.presentation.*;
import com.spire.presentation.drawing.*;

import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;

public class CustomizeSlideSize {

   public static void main(String[] args) throws Exception {

       // 创建一个 Presentation 对象
       Presentation presentation = new Presentation();

       // 移除默认幻灯片
       presentation.getSlides().removeAt(0);

       // 从文件夹中获取图片文件
       File directoryPath = new File("/图片文件夹");
       File[] picFiles  = directoryPath.listFiles();

       // 创建一个 PdfUnitConvertor 对象
       PdfUnitConvertor convertor = new PdfUnitConvertor();

       // 遍历图片
       for (int i = 0; i < picFiles.length; i++)
       {
           // 获取一张图片
           String imageFile = picFiles[i].getAbsolutePath();

           // 将该图片添加到图片集合中
           BufferedImage bufferedImage =  ImageIO.read(new FileInputStream(imageFile));
           IImageData imageData = presentation.getImages().append(bufferedImage);

           // 获取图片的高和宽的像素
           int height = imageData.getHeight();
           int width = imageData.getWidth();

           // 将像素转换为点
           float widthPoint = convertor.convertUnits(width, PdfGraphicsUnit.Pixel, PdfGraphicsUnit.Point);
           float heightPoint= convertor.convertUnits(height, PdfGraphicsUnit.Pixel, PdfGraphicsUnit.Point);

           // 设置幻灯片的大小
           presentation.getSlideSize().setSize(new Dimension((int)widthPoint, (int)heightPoint));

           // 添加一张幻灯片
           ISlide slide = presentation.getSlides().append();

           // 设置图片为幻灯片背景
           slide.getSlideBackground().setType(BackgroundType.CUSTOM);
           slide.getSlideBackground().getFill().setFillType(FillFormatType.PICTURE);
           slide.getSlideBackground().getFill().getPictureFill().setFillType(PictureFillType.STRETCH);
           slide.getSlideBackground().getFill().getPictureFill().getPicture().setEmbedImage(imageData);
       }

       // 保存结果文档
       presentation.saveToFile("/自定义幻灯片大小.pptx", FileFormat.PPTX_2013);
   }
}