import com.groupdocs.watermark.cloud.api.WatermarkApi;
import com.groupdocs.watermark.cloud.client.ApiException;
import com.groupdocs.watermark.cloud.client.Configuration;
import com.groupdocs.watermark.cloud.model.AddWatermarkRequest;
import com.groupdocs.watermark.cloud.model.AddWatermarkResponse;
import com.groupdocs.watermark.cloud.model.FileInfo;
import com.groupdocs.watermark.cloud.model.OutputFileInfo;
import com.groupdocs.watermark.cloud.model.TextWatermarkOptions;
import com.groupdocs.watermark.cloud.model.HorizontalAlignment;
import com.groupdocs.watermark.cloud.model.VerticalAlignment;

public class AddTextOverlayToGif {
    public static void main(String[] args) {
        // Initialize API configuration (replace with your actual clientId and clientSecret)
        Configuration config = new Configuration("YOUR_CLIENT_ID", "YOUR_CLIENT_SECRET");
        WatermarkApi watermarkApi = new WatermarkApi(config);

// Prepare input file information
        FileInfo inputFile = new FileInfo();
        inputFile.setFilePath("input.gif");          // Path to the source GIF in the storage
        inputFile.setStorageName("MyStorage");       // Optional: name of the storage

// Prepare output file information
        OutputFileInfo outputFile = new OutputFileInfo();
        outputFile.setFilePath("output.gif");        // Desired path for the watermarked GIF
        outputFile.setStorageName("MyStorage");      // Optional: name of the storage

// Configure text watermark options
        TextWatermarkOptions textOptions = new TextWatermarkOptions();
        textOptions.setText("Sample Watermark");
        textOptions.setFontFamily("Arial");
        textOptions.setFontSize(24.0);
        textOptions.setColor("#FF0000");             // Red color in HEX
        textOptions.setOpacity(0.5);                 // 50% opacity
        textOptions.setRotationAngle(0.0);
        textOptions.setHorizontalAlignment(HorizontalAlignment.CENTER);
        textOptions.setVerticalAlignment(VerticalAlignment.MIDDLE);
        textOptions.setPageRange("1-");               // Apply to all frames/pages

// Build the request
        AddWatermarkRequest request = new AddWatermarkRequest();
        request.setFileInfo(inputFile);
        request.setOutputFileInfo(outputFile);
        request.setOptions(textOptions);

try {
            // Execute the request
            AddWatermarkResponse response = watermarkApi.addWatermark(request);
            System.out.println("Watermark added successfully. Output file: " + response.getPath());
        } catch (ApiException e) {
            System.err.println("Error while adding watermark: " + e.getMessage());
            e.printStackTrace();
        }
    }
}

# 1. Obtain an access token
curl -X POST "https://api.groupdocs.cloud/v2.0/auth/token" \
     -H "Content-Type: application/json" \
     -d '{"client_id":"YOUR_CLIENT_ID","client_secret":"YOUR_CLIENT_SECRET"}'

# 2. Upload the source GIF to storage
curl -X PUT "https://api.groupdocs.cloud/v2.0/storage/file/input.gif" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/octet-stream" \
     --data-binary @path/to/local/input.gif

# 3. Add text overlay to the GIF
curl -X POST "https://api.groupdocs.cloud/v2.0/watermark/add" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -H "Content-Type: application/json" \
     -d '{
           "fileInfo": { "filePath": "input.gif", "storageName": "MyStorage" },
           "outputFileInfo": { "filePath": "output.gif", "storageName": "MyStorage" },
           "options": {
               "text": "Sample Watermark",
               "fontFamily": "Arial",
               "fontSize": 24,
               "color": "#FF0000",
               "opacity": 0.5,
               "horizontalAlignment": "Center",
               "verticalAlignment": "Middle",
               "pageRange": "1-"
           }
         }'

# 4. Download the watermarked GIF
curl -X GET "https://api.groupdocs.cloud/v2.0/storage/file/output.gif" \
     -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
     -o path/to/local/output.gif

Configuration config = new Configuration("YOUR_CLIENT_ID", "YOUR_CLIENT_SECRET");
WatermarkApi watermarkApi = new WatermarkApi(config);

TextWatermarkOptions textOptions = new TextWatermarkOptions();
textOptions.setText("Sample Watermark");
textOptions.setFontFamily("Arial");
textOptions.setFontSize(24.0);
textOptions.setColor("#FF0000");
textOptions.setOpacity(0.5);
textOptions.setHorizontalAlignment(HorizontalAlignment.CENTER);
textOptions.setVerticalAlignment(VerticalAlignment.MIDDLE);
textOptions.setPageRange("1-");

AddWatermarkRequest request = new AddWatermarkRequest();
request.setFileInfo(inputFile);
request.setOutputFileInfo(outputFile);
request.setOptions(textOptions);
AddWatermarkResponse response = watermarkApi.addWatermark(request);

<dependency>
    <groupId>com.groupdocs</groupId>
    <artifactId>groupdocs-watermark-cloud</artifactId>
    <version>23.8</version>
</dependency>

Configuration config = new Configuration("YOUR_CLIENT_ID", "YOUR_CLIENT_SECRET");