Convert PowerPoint to PNG Images Programmatically in Java

Convert_PowerPoint_to_PNG_File_in_Java.java

package com.groupdocsdev.classes;

import com.groupdocs.cloud.conversion.api.*;
import com.groupdocs.cloud.conversion.model.*;
import com.groupdocs.cloud.conversion.model.requests.*;
import com.groupdocs.cloud.conversion.client.Configuration;
import com.groupdocs.cloud.conversion.client.ApiException;
import java.util.List;

// How to convert PowerPoint to PNG Images in Java.
public class App {

	public static void main(String[] args) {
		
		// Create an instance of the convert API
		ConvertApi apiInstance = new ConvertApi(configuration);
					
		try {
			 
			// Prepare convert settings
			ConvertSettings settings = new ConvertSettings();
			settings.setStorageName(MyStorage);
			settings.setFilePath("java-testing/input-sample-file.pptx");
			settings.setFormat("png");
			
			PngConvertOptions convertOptions = new PngConvertOptions();
			convertOptions.setFromPage(5);
			convertOptions.setPagesCount(1);
			 
			settings.setConvertOptions(convertOptions);
			settings.setOutputPath("java-testing/output-sample-file.png");
		
			// convert to specified format
			List<StoredConvertedResult> response = apiInstance.convertDocument(new ConvertDocumentRequest(settings));
			System.out.println("Document converted successfully: " + response);
			
		} catch (ApiException e) {
			System.err.println("Exception while calling Java API: ");
			e.printStackTrace();
		}
	}
}

Download_Change_PowerPoint_to_PNG_Format_in_Java.java

package com.groupdocsdev.classes;

import com.groupdocs.cloud.conversion.api.*;
import com.groupdocs.cloud.conversion.model.requests.*;
import com.groupdocs.cloud.conversion.client.Configuration;
import com.groupdocs.cloud.conversion.client.ApiException;

import java.io.File;

// Download File from the Cloud Storage in Java
public class App {

	public static void main(String[] args) {
				
		// Create an instance of the convert API					
		FileApi apiInstance = new FileApi(configuration);
		try {
			DownloadFileRequest request = new DownloadFileRequest("java-testing\\output-sample-file.png", MyStorage, null);
			File response = apiInstance.downloadFile(request);
			System.err.println("Expected response type is File: " + response.length());
		} catch (ApiException e) {
			System.err.println("Exception while calling FileApi:");
			e.printStackTrace();
		}
		
	}
}

Java-Convert-PowerPoint-to-Images-using-REST-API.md

You can convert PowerPoint Presentation to PNG images programmatically on the cloud. In this article, we will learn how to convert PowerPoint to PNG images programmatically in Java.

The following topics shall be covered in this article:

1. Java PowerPoint Slides to Images Conversion REST API - SDK Installation
2. How to Convert PowerPoint Presentation to PNG Image in Java using REST API

Upload_to_Change_PowerPoint_PPT_to_PNG_File_in_Java.java

package com.groupdocsdev.classes;

import com.groupdocs.cloud.conversion.api.*;
import com.groupdocs.cloud.conversion.model.*;
import com.groupdocs.cloud.conversion.model.requests.*;
import com.groupdocs.cloud.conversion.client.Configuration;
import com.groupdocs.cloud.conversion.client.ApiException;

import java.io.File;

// Upload File to Cloud Storage using Java
public class App {

	public static void main(String[] args) {
				
		// Create an instance of the convert API					
		FileApi apiInstance = new FileApi(configuration);
		try {
			File fileStream = new File("H:\\groupdocs-cloud-data\\input-sample-file.pptx");
			UploadFileRequest request = new UploadFileRequest("java-testing\\input-sample-file.pptx", fileStream, MyStorage);
			FilesUploadResult response = apiInstance.uploadFile(request);
			System.out.println("Expected response type is FilesUploadResult: " + response.getUploaded().size());
		} catch (ApiException e) {
			System.err.println("Exception while calling FileApi:");
			e.printStackTrace();
		}
		
	}
}

Utils_for_PowerPoint_to_Images_Conversion_Online_in_Java.java

# Get your client_id and client_secret from https://dashboard.groupdocs.cloud after free registration.

String ClientId = "xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx";
String ClientSecret = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
String MyStorage = "test-internal-storage";
Configuration configuration = new Configuration(ClientId, ClientSecret);