HTML Viewer - Limit image size

Introduction

GroupDocs.Viewer Cloud also provides the feature to set limits for width/height for the output image. Follow the below steps to achieve this functionality. If you want to render single image in PDF/HTML you can set width/height for the output image. If you set ImageMaxWidth/ImageMaxHeight options, if the image exceeds one of these limits - it will be resized proportionally. The following code sample shows how to set the output image size limits when rendering the document.

API Usage

There are steps that usage of GroupDocs.Viewer Cloud consists of:

  1. Upload input document into cloud storage
  2. Render document or get document info
  3. Download rendered document from storage

Steps 1 and 3 are storage operations, please refer to this [File API documentation»path:/viewercloud/developer-guide/working-with-files/) for usage details.

Swagger UI lets you call this REST API directly from the browser.

cURL REST Example


* First get JSON Web Token
* Please get your Client Id and Client Secret from https://dashboard.groupdocs.cloud/applications. Kindly place Client Id in "client_id" and Client Secret in "client_secret" argument.
curl -v "https://api.groupdocs.cloud/connect/token" \
-X POST \
-d "grant_type=client_credentials&client_id=xxxx&client_secret=xxxx" \
-H "Content-Type: application/x-www-form-urlencoded" \
-H "Accept: application/json"

* cURL example to get document information
curl -v "https://api.groupdocs.cloud/v2.0/viewer/view" \
-X POST \
-H "Content-Type: application/json" \
-H "Accept: application/json" \
-H "Authorization: Bearer <jwt token>"
-d "{
  'FileInfo': {
    'FilePath': 'SampleFiles/sample.jpg'
  },
  'ViewFormat': 'HTML',
  'RenderOptions': {
     'ImageMaxWidth': 800,
     'ImageHeight': 600
  }
}"


{
  "pages": [
    {
      "number": 1,
      "resources": null,
      "path": "viewer/sample_jpg/sample_page_1.html",
      "downloadUrl": "https://api.groupdocs.cloud/v2.0/viewer/storage/file/viewer/sample_jpg/sample_page_1.html"
    }
  ],
  "attachments": [],
  "file": null
}

SDKs

The API is completely independent of your operating system, database system or development language. We provide and support API SDKs in many development languages in order to make it even easier to integrate. You can see our available SDKs list here.

SDK Examples


// For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-dotnet-samples
string MyClientSecret = ""; // Get Client Id and Client Secret from https://dashboard.groupdocs.cloud
string MyClientId = ""; // Get Client Id and Client Secret from https://dashboard.groupdocs.cloud

var configuration = new Configuration(MyClientId, MyClientSecret);
var apiInstance = new ViewApi(configuration);

var viewOptions = new ViewOptions
{
    FileInfo = new FileInfo
    {
        FilePath = "SampleFiles/sample.jpg"
    },
    ViewFormat = ViewOptions.ViewFormatEnum.HTML,
    RenderOptions = new HtmlOptions
    {
        ImageMaxWidth = 800,
        ImageHeight = 600
    }
};

var response = apiInstance.CreateView(new CreateViewRequest(viewOptions));


// For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-java-samples
string MyClientSecret = ""; // Get Client Id and Client Secret from https://dashboard.groupdocs.cloud
string MyClientId = ""; // Get Client Id and Client Secret from https://dashboard.groupdocs.cloud

Configuration configuration = new Configuration(MyClientId, MyClientSecret);
ViewApi apiInstance = new ViewApi(configuration);

FileInfo fileInfo = new FileInfo();
fileInfo.setFilePath("SampleFiles/sample.jpg");
ViewOptions viewOptions = new ViewOptions();
viewOptions.setFileInfo(fileInfo);
viewOptions.setViewFormat(ViewFormatEnum.HTML);
HtmlOptions renderOptions = new HtmlOptions();
renderOptions.setImageMaxWidth(800);
renderOptions.setImageMaxHeight(600);
viewOptions.setRenderOptions(renderOptions);

ViewResult response = apiInstance.createView(new CreateViewRequest(viewOptions));


// For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-java-samples
string MyClientSecret = ""; // Get Client Id and Client Secret from https://dashboard.groupdocs.cloud
string MyClientId = ""; // Get Client Id and Client Secret from https://dashboard.groupdocs.cloud

Configuration configuration = new Configuration(MyClientId, MyClientSecret);
ViewApi apiInstance = new ViewApi(configuration);

FileInfo fileInfo = new FileInfo();
fileInfo.setFilePath("SampleFiles/sample.jpg");
ViewOptions viewOptions = new ViewOptions();
viewOptions.setFileInfo(fileInfo);
viewOptions.setViewFormat(ViewFormatEnum.HTML);
HtmlOptions renderOptions = new HtmlOptions();
renderOptions.setImageMaxWidth(800);
renderOptions.setImageMaxHeight(600);
viewOptions.setRenderOptions(renderOptions);

ViewResult response = apiInstance.createView(new CreateViewRequest(viewOptions));


// For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-php-samples
use GroupDocs\Viewer\Model;
use GroupDocs\Viewer\Model\Requests;

$ClientId = ""; // Get Client Id and Client Secret from https://dashboard.groupdocs.cloud
$ClientSecret = ""; // Get Client Id and Client Secret from https://dashboard.groupdocs.cloud

$configuration = new GroupDocs\Viewer\Configuration();
$configuration->setAppSid($ClientId);
$configuration->setAppKey($ClientSecret);

$apiInstance = new GroupDocs\Viewer\ViewApi($configuration);

$viewOptions = new Model\ViewOptions();
$fileInfo = new Model\FileInfo();
$fileInfo->setFilePath("SampleFiles/sample.jpg");
$viewOptions->setFileInfo($fileInfo);
$viewOptions->setViewFormat(Model\ViewOptions::VIEW_FORMAT_HTML);
$renderOptions = new Model\HtmlOptions();
$renderOptions->setImageMaxWidth(800);
$renderOptions->setImageMaxHeight(600);
$viewOptions->setRenderOptions($renderOptions);

$request = new Requests\CreateViewRequest($viewOptions);
$response = $apiInstance->createView($request);


// For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-node-samples
global.viewer# require("groupdocs-viewer-cloud");

global.clientId = "XXXX-XXXX-XXXX-XXXX"; // Get Client Id and Client Secret from https://dashboard.groupdocs.cloud
global.clientSecret = "XXXXXXXXXXXXXXXX"; // Get Client Id and Client Secret from https://dashboard.groupdocs.cloud

global.viewApi = viewer_cloud.ViewApi.fromKeys(clientId, clientSecret);

let fileInfo = new viewer_cloud.FileInfo();
fileInfo.filePath = "SampleFiles/sample.jpg";
let viewOptions = new viewer_cloud.ViewOptions();
viewOptions.fileInfo = fileInfo;
viewOptions.viewFormat = viewer_cloud.ViewOptions.ViewFormatEnum.HTML;
viewOptions.renderOptions = new viewer_cloud.HtmlOptions();
viewOptions.renderOptions.imageMaxWidth = 800;
viewOptions.renderOptions.imageMaxHeight = 600;
let request = new viewer_cloud.CreateViewRequest(viewOptions);
let response = await viewApi.createView(request);


# For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-python-samples
import groupdocs_viewer_cloud

client_id = "XXXX-XXXX-XXXX-XXXX" # Get Client Id and Client Secret from https://dashboard.groupdocs.cloud
client_secret = "XXXXXXXXXXXXXXXX" # Get Client Id and Client Secret from https://dashboard.groupdocs.cloud

apiInstance = groupdocs_viewer_cloud.ViewApi.from_keys(client_id, client_secret)

view_options = groupdocs_viewer_cloud.ViewOptions()
view_options.file_info = groupdocs_viewer_cloud.FileInfo()
view_options.file_info.file_path = "SampleFiles/sample.jpg"
view_options.view_format = "HTML"
view_options.render_options = groupdocs_viewer_cloud.HtmlOptions()
view_options.render_options.image_max_width = 800
view_options.render_options.image_max_height = 600

request = groupdocs_viewer_cloud.CreateViewRequest(view_options)
response = apiInstance.create_view(request)


# For complete examples and data files, please go to https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-ruby-samples
require 'groupdocs_viewer_cloud'

$client_id = "XXXX-XXXX-XXXX-XXXX" # Get Client Id and Client Secret from https://dashboard.groupdocs.cloud
$client_secret = "XXXXXXXXXXXXXXXX" # Get Client Id and Client Secret from https://dashboard.groupdocs.cloud

apiInstance = GroupDocsViewerCloud::ViewApi.from_keys($client_id, $client_secret)

viewOptions = GroupDocsViewerCloud::ViewOptions.new
viewOptions.file_info = GroupDocsViewerCloud::FileInfo.new
viewOptions.file_info.file_path = "SampleFiles/sample.jpg"
viewOptions.view_format = "HTML"
viewOptions.render_options = GroupDocsViewerCloud::HtmlOptions.new
viewOptions.render_options.image_max_width = 800
viewOptions.render_options.image_max_height = 800

request = GroupDocsViewerCloud::CreateViewRequest.new(viewOptions)
response = apiInstance.create_view(request)