Link Search Menu Expand Document

Add Image To PDF - Salesforce

PDF Add Text, Signatures and Images to PDF sample in Salesforce demonstrating ‘Add Image To PDF’

AddImageToTheExistingPDF.cls
public class AddImageToTheExistingPDF {
    
    public static void addImageToPDF()
    {
        String API_KEY = '*****************************************';        
        string SourceFileUrl = 'https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-edit/sample.pdf';
        string Pages = '';
        string Password = '';
        String DestinationFile = 'result';

        string Type1  = 'image';
        Integer X = 400;
        Integer Y = 600;
        Integer Width1  = 119;
        Integer Height1  = 32;
        String ImageUrl = 'https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-edit/logo.png';


        Map<string, Object> parameters = new Map<string, Object>();
        parameters.put('name', DestinationFile);
        parameters.put('password', Password);
        parameters.put('pages', Pages);
        parameters.put('url', SourceFileUrl);
        parameters.put('type', Type1);
        parameters.put('x', X);
        parameters.put('y', Y);
        parameters.put('width', Width1);
        parameters.put('height', Height1);
        parameters.put('urlimage', ImageUrl);
        
        string jsonPayload = Json.serialize(parameters);
        try
        {
            string url = 'https://api.pdf.co/v1/pdf/edit/add';
            HttpRequest req = new HttpRequest();
            req.setBody(jsonPayload);
            req.setHeader('x-api-key', API_KEY);
            req.setHeader('Content-Type', 'application/json');
            req.setEndpoint(url);
            req.setMethod('POST');
            req.setTimeout(60000);
            Http http = new Http();
            HTTPResponse res = http.send(req);
            if(res.getStatusCode() == 200) 
            {
                System.Debug('res ' + res);
                Map<String, Object> deserializedBody =  (Map<String, Object>)JSON.deserializeUntyped(res.getBody());
                String urlVal = (String)deserializedBody.get('url');
                downloadPDFAndStore(urlVal, DestinationFile);
            }
            else
            {
                System.debug('Success Response ' + res.getBody());
                System.Debug(' Status ' + res.getStatus());
                System.Debug(' Status Code' + res.getStatusCode());
                System.Debug(' Status String' + res.toString());
            }
           
        }
        catch(Exception ex)
        {
            String errorBody = 'Message: ' + ex.getMessage() + ' -- Cause: ' + ex.getCause() + ' -- Stacktrace: ' + ex.getStackTraceString();
            System.Debug(errorBody);
        }
    }

    @TestVisible
    private static void downloadPDFAndStore(String extFileUrl, String DestinationFile)
    {
        try
        {
            Http h = new Http(); 
            HttpRequest req = new HttpRequest(); 
            extFileUrl = extFileUrl.replace(' ', '%20'); 
            req.setEndpoint(extFileUrl); 
            req.setMethod('GET'); 
            req.setHeader('Content-Type', 'application/pdf'); 
            req.setCompressed(true); 
            req.setTimeout(60000); 
            //Now Send HTTP Request
            HttpResponse res  = h.send(req); 
            if(res.getStatusCode() == 200) 
            {
                blob fileContent = res.getBodyAsBlob();
                ContentVersion conVer = new ContentVersion();
                conVer.ContentLocation = 'S'; // to use S specify this document is in Salesforce, to use E for external files
                conVer.PathOnClient = DestinationFile + '.pdf'; // The files name, extension is very important here which will help the file in preview.
                conVer.Title = DestinationFile; // Display name of the files
                conVer.VersionData = fileContent;
                insert conVer;
                System.Debug('Success');
            }
            else
            {
                System.debug('Success Response ' + res.getBody());
                System.Debug(' Status ' + res.getStatus());
                System.Debug(' Status Code' + res.getStatusCode());
                System.Debug(' Status String' + res.toString());
            }
        }
        catch(Exception ex)
        {
            String errorBody = 'Message: ' + ex.getMessage() + ' -- Cause: ' + ex.getCause() + ' -- Stacktrace: ' + ex.getStackTraceString();
            System.Debug(errorBody);
        }
    }
}
AddImageToTheExistingPDFTest.cls
@isTest
public class AddImageToTheExistingPDFTest
{
    private  testmethod static void testaddImageToPDF()
    {
        Test.setMock(HttpCalloutMock.class, new AddImageToTheExistingPDFTest.DocumentCreationMock());
        AddImageToTheExistingPDF.addImageToPDF();
        List<ContentVersion> cv = [select Id from ContentVersion];
        System.assertEquals(1, cv.size());
    }

    private  testmethod static void testFetchDataAndCreatePDFException()
    {
        AddImageToTheExistingPDF.addImageToPDF();
        List<ContentVersion> cv = [select Id from ContentVersion];
        System.assertEquals(0, cv.size());
    }
    
    private  testmethod static void testdownloadPDFAndStoreException()
    {
        AddImageToTheExistingPDF.downloadPDFAndStore(null, null);
        List<ContentVersion> cv = [select Id from ContentVersion];
        System.assertEquals(0, cv.size());
    }

    public class DocumentCreationMock implements HttpCalloutMock {
        public HTTPResponse respond(HTTPRequest req) {
            HttpResponse res = new HttpResponse();
            String testBody = '{"hash":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855","url":"https://pdf-temp-files.s3-us-west-2.amazonaws.com/0c336bfcef1a473d98492bda25d8da03/newDocument.pdf?X-Amz-Expires=3600&x-amz-security-token=FwoGZXIvYXdzEO7%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaDHWK1dY4d4lOgsheliKBATwE%2FZewASPTEnPxTn%2BOdYhP4h3gljAJfqbRvQptDX7wdWLmrBS7Tg4qTU6pAbxIdXChGPjBWpSbtiADJKmqkmyhkUmE8GSM1%2FGtJO6bga2pgzvFLXmzxjTf3%2BFNqwYOvbyApIZdVLoPpEKY6PlCflQtLTd30dhelm6xpB8pitbdhSjdz8KCBjIobVy%2Fjwybwp6OQgB%2FT6QkIo2dU07gtFREdn5jhRyvnS5lkccweBV1%2Bw%3D%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIA4NRRSZPHMV5P3JOS/20210316/us-west-2/s3/aws4_request&X-Amz-Date=20210316T124309Z&X-Amz-SignedHeaders=host;x-amz-security-token&X-Amz-Signature=95287bf3c007fed4c2c5aeea1ce75c846cc6c68b22aaf35175ebe41a105f54e1","pageCount":1,"error":false,"status":200,"name":"newDocument","remainingCredits":9913694,"credits":3}';
            res.setHeader('Content-Type', 'application/json');
            res.setBody(testBody);
            res.setStatusCode(200);
            return res;
        }
    }
}

PDF.co Web API: the Web API with a set of tools for documents manipulation, data conversion, data extraction, splitting and merging of documents. Includes image recognition, built-in OCR, barcode generation and barcode decoders to decode bar codes from scans, pictures and pdf.

Get your PDF.co API key here!

Download Source Code (.zip)

return to the previous page explore PDF Add Text, Signatures and Images to PDF endpoint