Java/画像の座標を取得する

無料のライブラリをインストールする

<repositories>
    <repository>
        <id>com.e-iceblue</id>
        <name>e-iceblue</name>
        <url>https://repo.e-iceblue.com/nexus/content/groups/public/</url>
    </repository>
</repositories>
<dependencies>
    <dependency>
        <groupId>e-iceblue</groupId>
        <artifactId>spire.pdf.free</artifactId>
        <version>5.1.0</version>
    </dependency>
</dependencies>

サンプルコード

import com.spire.pdf.PdfDocument;
import com.spire.pdf.PdfPageBase;
import com.spire.pdf.exporting.PdfImageInfo;
import java.awt.geom.Rectangle2D;

public class GetCoordinateOfImage {

    public static void main(String[] args) {

        //Create a PdfDocument object
        PdfDocument doc = new PdfDocument();

        //Load a PDF file
        doc.loadFromFile("file1.pdf");

        //Get the first worksheet
        PdfPageBase page = doc.getPages().get(0);

        //Get the image information of the page
        PdfImageInfo[] imageInfo = page.getImagesInfo();

        //Loop through the image information
        for (int i = 0; i < imageInfo.length; i++) {

            //Get the bounds property of a specific image
            Rectangle2D rect = imageInfo[i].getBounds();

            //Get the x and y coordinates
            System.out.println(String.format("The coordinate of image %d:（%f, %f）", i+1, rect.getX(), rect.getY()));
        }
    }
}