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    <title>gif text overlay on Document Processing REST APIs | GroupDocs Cloud</title>
    <link>https://blog-qa.groupdocs.cloud/id/tag/gif-text-overlay/</link>
    <description>Recent content in gif text overlay on Document Processing REST APIs | GroupDocs Cloud</description>
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    <lastBuildDate>Wed, 23 Sep 2026 13:04:19 +0000</lastBuildDate><atom:link href="https://blog-qa.groupdocs.cloud/id/tag/gif-text-overlay/index.xml" rel="self" type="application/rss+xml" />
    <item>
      <title>Tambahkan Teks Overlay ke GIF menggunakan REST di Java</title>
      <link>https://blog-qa.groupdocs.cloud/id/watermark/add-text-overlay-to-gif-using-rest-in-java/</link>
      <pubDate>Wed, 23 Sep 2026 13:04:19 +0000</pubDate>
      
      <guid>https://blog-qa.groupdocs.cloud/id/watermark/add-text-overlay-to-gif-using-rest-in-java/</guid>
      <description>Pelajari cara menambahkan overlay teks ke GIF menggunakan GroupDocs.Watermark Cloud SDK for Java via REST API. Termasuk kode, cURL, dan langkah-langkah penyiapan sekarang. Mulai dengan cepat.</description>
      <content:encoded><![CDATA[<p>Menambahkan caption dinamis, subtitle, atau pesan promosi ke GIF animasi adalah kebutuhan umum untuk aplikasi web dan seluler modern. <a href="https://products.groupdocs.cloud/watermark/java/">GroupDocs.Watermark Cloud SDK for Java</a> menyediakan pustaka berbasis REST yang kuat yang membuat tugas ini menjadi mudah. Dalam panduan ini Anda akan mempelajari cara <strong>menambahkan Overlay teks ke <a href="https://docs.fileformat.com/image/gif/">GIF</a> menggunakan REST di Java</strong>, melihat implementasi Java lengkap, menjelajahi perintah cURL yang setara, dan memahami langkah‑langkah penyiapan yang diperlukan.</p>
<h2 id="menambahkan-teks-overlay-ke-gif-menggunakan-rest-di-java---contoh-kode">Menambahkan Teks Overlay ke GIF Menggunakan REST di Java - Contoh Kode</h2>
<p>Contoh ini menunjukkan cara mengonfigurasi watermark teks dan menerapkannya ke setiap frame file GIF.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.api.WatermarkApi<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.client.ApiException<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.client.Configuration<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.AddWatermarkRequest<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.AddWatermarkResponse<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.FileInfo<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.OutputFileInfo<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.TextWatermarkOptions<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.HorizontalAlignment<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.VerticalAlignment<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#66d9ef">public</span> <span style="color:#66d9ef">class</span> <span style="color:#a6e22e">AddTextOverlayToGif</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>    <span style="color:#66d9ef">public</span> <span style="color:#66d9ef">static</span> <span style="color:#66d9ef">void</span> <span style="color:#a6e22e">main</span><span style="color:#f92672">(</span>String<span style="color:#f92672">[]</span> args<span style="color:#f92672">)</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>        <span style="color:#75715e">// Initialize API configuration (replace with your actual clientId and clientSecret)
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        Configuration config <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> Configuration<span style="color:#f92672">(</span><span style="color:#e6db74">&#34;YOUR_CLIENT_ID&#34;</span><span style="color:#f92672">,</span> <span style="color:#e6db74">&#34;YOUR_CLIENT_SECRET&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        WatermarkApi watermarkApi <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> WatermarkApi<span style="color:#f92672">(</span>config<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Prepare input file information
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        FileInfo inputFile <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> FileInfo<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        inputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setFilePath</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;input.gif&#34;</span><span style="color:#f92672">);</span>          <span style="color:#75715e">// Path to the source GIF in the storage
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        inputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setStorageName</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;MyStorage&#34;</span><span style="color:#f92672">);</span>       <span style="color:#75715e">// Optional: name of the storage
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Prepare output file information
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        OutputFileInfo outputFile <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> OutputFileInfo<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        outputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setFilePath</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;output.gif&#34;</span><span style="color:#f92672">);</span>        <span style="color:#75715e">// Desired path for the watermarked GIF
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        outputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setStorageName</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;MyStorage&#34;</span><span style="color:#f92672">);</span>      <span style="color:#75715e">// Optional: name of the storage
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Configure text watermark options
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        TextWatermarkOptions textOptions <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> TextWatermarkOptions<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setText</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Sample Watermark&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setFontFamily</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Arial&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setFontSize</span><span style="color:#f92672">(</span>24<span style="color:#f92672">.</span><span style="color:#a6e22e">0</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setColor</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;#FF0000&#34;</span><span style="color:#f92672">);</span>             <span style="color:#75715e">// Red color in HEX
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setOpacity</span><span style="color:#f92672">(</span>0<span style="color:#f92672">.</span><span style="color:#a6e22e">5</span><span style="color:#f92672">);</span>                 <span style="color:#75715e">// 50% opacity
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setRotationAngle</span><span style="color:#f92672">(</span>0<span style="color:#f92672">.</span><span style="color:#a6e22e">0</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setHorizontalAlignment</span><span style="color:#f92672">(</span>HorizontalAlignment<span style="color:#f92672">.</span><span style="color:#a6e22e">CENTER</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setVerticalAlignment</span><span style="color:#f92672">(</span>VerticalAlignment<span style="color:#f92672">.</span><span style="color:#a6e22e">MIDDLE</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setPageRange</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;1-&#34;</span><span style="color:#f92672">);</span>               <span style="color:#75715e">// Apply to all frames/pages
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Build the request
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        AddWatermarkRequest request <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> AddWatermarkRequest<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        request<span style="color:#f92672">.</span><span style="color:#a6e22e">setFileInfo</span><span style="color:#f92672">(</span>inputFile<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        request<span style="color:#f92672">.</span><span style="color:#a6e22e">setOutputFileInfo</span><span style="color:#f92672">(</span>outputFile<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        request<span style="color:#f92672">.</span><span style="color:#a6e22e">setOptions</span><span style="color:#f92672">(</span>textOptions<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#66d9ef">try</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>            <span style="color:#75715e">// Execute the request
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>            AddWatermarkResponse response <span style="color:#f92672">=</span> watermarkApi<span style="color:#f92672">.</span><span style="color:#a6e22e">addWatermark</span><span style="color:#f92672">(</span>request<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>            System<span style="color:#f92672">.</span><span style="color:#a6e22e">out</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Watermark added successfully. Output file: &#34;</span> <span style="color:#f92672">+</span> response<span style="color:#f92672">.</span><span style="color:#a6e22e">getPath</span><span style="color:#f92672">());</span>
</span></span><span style="display:flex;"><span>        <span style="color:#f92672">}</span> <span style="color:#66d9ef">catch</span> <span style="color:#f92672">(</span>ApiException e<span style="color:#f92672">)</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>            System<span style="color:#f92672">.</span><span style="color:#a6e22e">err</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Error while adding watermark: &#34;</span> <span style="color:#f92672">+</span> e<span style="color:#f92672">.</span><span style="color:#a6e22e">getMessage</span><span style="color:#f92672">());</span>
</span></span><span style="display:flex;"><span>            e<span style="color:#f92672">.</span><span style="color:#a6e22e">printStackTrace</span><span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        <span style="color:#f92672">}</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">}</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">}</span>
</span></span></code></pre></div><blockquote>
<p><strong>Catatan:</strong> Contoh kode ini menunjukkan fungsi inti. Sebelum menggunakannya dalam proyek Anda, pastikan untuk memperbarui semua jalur file dan nilai konfigurasi agar sesuai dengan lingkungan Anda yang sebenarnya, verifikasi bahwa semua dependensi yang diperlukan telah terpasang dengan benar, dan uji secara menyeluruh di lingkungan pengembangan Anda. Jika Anda menemukan masalah, silakan merujuk ke <a href="https://docs.groupdocs.cloud/watermark/">dokumentasi resmi</a> atau hubungi <a href="https://forum.groupdocs.cloud/c/watermark/29">tim dukungan</a> untuk bantuan.</p>
</blockquote>
<h2 id="menambahkan-teks-pada-gif-dengan-rest-api-menggunakan-curl">Menambahkan Teks pada GIF dengan REST API Menggunakan cURL</h2>
<p>Berikut adalah perintah cURL yang melakukan operasi yang sama dari terminal. Mereka menggambarkan alur kerja REST lengkap: otentikasi, unggah, penambahan watermark, dan unduhan.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#75715e"># 1. Dapatkan token akses</span>
</span></span><span style="display:flex;"><span>curl -X POST <span style="color:#e6db74">&#34;https://api.groupdocs.cloud/v2.0/auth/token&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Content-Type: application/json&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -d <span style="color:#e6db74">&#39;{&#34;client_id&#34;:&#34;YOUR_CLIENT_ID&#34;,&#34;client_secret&#34;:&#34;YOUR_CLIENT_SECRET&#34;}&#39;</span>
</span></span></code></pre></div><p>Ganti <code>YOUR_ACCESS_TOKEN</code> dalam panggilan berikut dengan token yang dikembalikan di atas.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#75715e"># 2. Upload the source GIF to storage</span>
</span></span><span style="display:flex;"><span>curl -X PUT <span style="color:#e6db74">&#34;https://api.groupdocs.cloud/v2.0/storage/file/input.gif&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Authorization: Bearer YOUR_ACCESS_TOKEN&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Content-Type: application/octet-stream&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     --data-binary @path/to/local/input.gif
</span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#75715e"># 3. Add text overlay to the GIF</span>
</span></span><span style="display:flex;"><span>curl -X POST <span style="color:#e6db74">&#34;https://api.groupdocs.cloud/v2.0/watermark/add&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Authorization: Bearer YOUR_ACCESS_TOKEN&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Content-Type: application/json&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -d <span style="color:#e6db74">&#39;{
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           &#34;fileInfo&#34;: { &#34;filePath&#34;: &#34;input.gif&#34;, &#34;storageName&#34;: &#34;MyStorage&#34; },
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           &#34;outputFileInfo&#34;: { &#34;filePath&#34;: &#34;output.gif&#34;, &#34;storageName&#34;: &#34;MyStorage&#34; },
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           &#34;options&#34;: {
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;text&#34;: &#34;Sample Watermark&#34;,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;fontFamily&#34;: &#34;Arial&#34;,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;fontSize&#34;: 24,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;color&#34;: &#34;#FF0000&#34;,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;opacity&#34;: 0.5,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;horizontalAlignment&#34;: &#34;Center&#34;,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;verticalAlignment&#34;: &#34;Middle&#34;,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;pageRange&#34;: &#34;1-&#34;
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           }
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">         }&#39;</span>
</span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#75715e"># 4. Download the watermarked GIF</span>
</span></span><span style="display:flex;"><span>curl -X GET <span style="color:#e6db74">&#34;https://api.groupdocs.cloud/v2.0/storage/file/output.gif&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Authorization: Bearer YOUR_ACCESS_TOKEN&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -o path/to/local/output.gif
</span></span></code></pre></div><p>Untuk detail lebih lanjut tentang badan permintaan dan format respons, lihat <a href="https://docs.groupdocs.cloud/watermark/">dokumentasi API resmi</a>.</p>
<h2 id="memecah-penambahan-teks-overlay-ke-gif-menggunakan-rest-di-java---cara-kerjanya">Memecah Penambahan Teks Overlay ke GIF Menggunakan REST di Java - Cara Kerjanya</h2>
<ol>
<li><strong>Inisialisasi klien API</strong> - <code>new Configuration(&quot;YOUR_CLIENT_ID&quot;, &quot;YOUR_CLIENT_SECRET&quot;)</code> membuat objek konfigurasi yang menyimpan kredensial Anda. Instansi <code>WatermarkApi</code> menggunakan konfigurasi ini untuk menandatangani setiap permintaan.</li>
</ol>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>Configuration config <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> Configuration<span style="color:#f92672">(</span><span style="color:#e6db74">&#34;YOUR_CLIENT_ID&#34;</span><span style="color:#f92672">,</span> <span style="color:#e6db74">&#34;YOUR_CLIENT_SECRET&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>WatermarkApi watermarkApi <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> WatermarkApi<span style="color:#f92672">(</span>config<span style="color:#f92672">);</span>
</span></span></code></pre></div><ol start="2">
<li>
<p><strong>Tentukan file sumber dan tujuan</strong> - <code>FileInfo</code> dan <code>OutputFileInfo</code> memberi tahu layanan di mana membaca GIF asli dan di mana menulis hasilnya. Keduanya dapat merujuk ke nama penyimpanan khusus.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>FileInfo inputFile <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> FileInfo<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>inputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setFilePath</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;input.gif&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>inputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setStorageName</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;MyStorage&#34;</span><span style="color:#f92672">);</span>
</span></span></code></pre></div></li>
<li>
<p><strong>Konfigurasikan watermark teks</strong> - <code>TextWatermarkOptions</code> menyimpan semua properti visual: teks, font, ukuran, warna, opasitas, rotasi, dan perataan. Menetapkan <code>pageRange</code> ke <code>&quot;1-&quot;</code> memastikan setiap frame GIF animasi menerima overlay.</p>
</li>
</ol>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>TextWatermarkOptions textOptions <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> TextWatermarkOptions<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setText</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Sample Watermark&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setFontFamily</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Arial&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setFontSize</span><span style="color:#f92672">(</span>24<span style="color:#f92672">.</span><span style="color:#a6e22e">0</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setColor</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;#FF0000&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setOpacity</span><span style="color:#f92672">(</span>0<span style="color:#f92672">.</span><span style="color:#a6e22e">5</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setHorizontalAlignment</span><span style="color:#f92672">(</span>HorizontalAlignment<span style="color:#f92672">.</span><span style="color:#a6e22e">CENTER</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setVerticalAlignment</span><span style="color:#f92672">(</span>VerticalAlignment<span style="color:#f92672">.</span><span style="color:#a6e22e">MIDDLE</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setPageRange</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;1-&#34;</span><span style="color:#f92672">);</span>
</span></span></code></pre></div><ol start="4">
<li>
<p><strong>Bangun dan kirim permintaan</strong> - <code>AddWatermarkRequest</code> menggabungkan info file dan opsi. Memanggil <code>watermarkApi.addWatermark(request)</code> melakukan operasi pada server dan mengembalikan jalur file yang diproses.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>AddWatermarkRequest request <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> AddWatermarkRequest<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>request<span style="color:#f92672">.</span><span style="color:#a6e22e">setFileInfo</span><span style="color:#f92672">(</span>inputFile<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>request<span style="color:#f92672">.</span><span style="color:#a6e22e">setOutputFileInfo</span><span style="color:#f92672">(</span>outputFile<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>request<span style="color:#f92672">.</span><span style="color:#a6e22e">setOptions</span><span style="color:#f92672">(</span>textOptions<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>AddWatermarkResponse response <span style="color:#f92672">=</span> watermarkApi<span style="color:#f92672">.</span><span style="color:#a6e22e">addWatermark</span><span style="color:#f92672">(</span>request<span style="color:#f92672">);</span>
</span></span></code></pre></div></li>
<li>
<p><strong>Tangani respons</strong> - Respons berisi jalur file output. Dalam aplikasi nyata, Anda biasanya akan mengunduh file atau meneruskan jalur tersebut ke layanan lain.</p>
</li>
</ol>
<p>Untuk daftar lengkap kelas dan properti, lihat <a href="https://reference.groupdocs.cloud/watermark/">referensi API</a>.</p>
<h2 id="menginstal-dan-mengonfigurasi-groupdocswatermark-cloud-sdk-for-java">Menginstal dan Mengonfigurasi GroupDocs.Watermark Cloud SDK for Java</h2>
<p>Tambahkan dependensi Maven ke <code>pom.xml</code> Anda (atau entri Gradle yang setara). Ini menarik versi 23.8 dari SDK.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-xml" data-lang="xml"><span style="display:flex;"><span><span style="color:#f92672">&lt;dependency&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;groupId&gt;</span>com.groupdocs<span style="color:#f92672">&lt;/groupId&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;artifactId&gt;</span>groupdocs-watermark-cloud<span style="color:#f92672">&lt;/artifactId&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;version&gt;</span>23.8<span style="color:#f92672">&lt;/version&gt;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">&lt;/dependency&gt;</span>
</span></span></code></pre></div><p><strong>Prasyarat</strong></p>
<ul>
<li>Java 8 atau lebih tinggi</li>
<li>Akun GroupDocs Cloud yang aktif</li>
<li>Client ID and Client Secret (tersedia di dasbor GroupDocs Cloud)</li>
</ul>
<p><strong>Contoh Konfigurasi</strong></p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>Configuration config <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> Configuration<span style="color:#f92672">(</span><span style="color:#e6db74">&#34;YOUR_CLIENT_ID&#34;</span><span style="color:#f92672">,</span> <span style="color:#e6db74">&#34;YOUR_CLIENT_SECRET&#34;</span><span style="color:#f92672">);</span>
</span></span></code></pre></div><p>Unduh JAR terbaru dari <a href="https://releases.groupdocs.cloud/watermark/java/">halaman unduhan</a>. Untuk penggunaan produksi, terapkan lisensi yang valid yang diperoleh dari <a href="https://purchase.groupdocs.cloud/temporary-license/">halaman lisensi sementara</a>.</p>
<h2 id="kesimpulan">Kesimpulan</h2>
<p>Menambahkan teks Overlay ke GIF menggunakan REST di Java menjadi operasi berulang di sisi server dengan bantuan <a href="https://products.groupdocs.cloud/watermark/java/">GroupDocs.Watermark Cloud SDK for Java</a>. SDK menyederhanakan kompleksitas penanganan frame animasi, memungkinkan Anda fokus pada konten subtitle atau pesan promosi Anda. Setelah mengintegrasikan kode contoh atau alur kerja cURL, Anda dapat menyesuaikan gaya font, warna, dan opasitas agar sesuai dengan merek Anda. Ingatlah untuk mengamankan lisensi produksi; detail harga tersedia di halaman produk, dan lisensi sementara dapat diperoleh untuk pengujian melalui <a href="https://purchase.groupdocs.cloud/temporary-license/">halaman lisensi sementara</a>. Selamat coding!</p>
<h2 id="pertanyaan-yang-sering-diajukan">Pertanyaan yang Sering Diajukan</h2>
<ul>
<li>
<p><strong>Bagaimana cara menambahkan overlay teks ke GIF menggunakan REST di Java ketika teks berubah untuk setiap pengguna?</strong><br>
Bangun objek <code>TextWatermarkOptions</code> pada runtime dengan string spesifik pengguna, lalu panggil <code>addWatermark</code> yang sama. API memproses setiap permintaan secara independen, sehingga konten dinamis sepenuhnya didukung.</p>
</li>
<li>
<p><strong>Bisakah saya menambahkan subtitle ke GIF animasi tanpa memengaruhi kecepatan animasinya?</strong><br>
Ya. Watermark diterapkan pada setiap frame sambil mempertahankan jeda frame asli. Cukup setel <code>pageRange</code> ke <code>&quot;1-&quot;</code> sehingga setiap frame menerima overlay yang sama.</p>
</li>
<li>
<p><strong>Format apa yang didukung untuk warna teks overlay?</strong><br>
SDK menerima kode warna HEX (mis., <code>#FF0000</code>) dan nama warna standar <a href="https://docs.fileformat.com/web/html/">HTML</a> . Lihat <a href="https://reference.groupdocs.cloud/watermark/">referensi API</a> untuk daftar lengkap.</p>
</li>
<li>
<p><strong>Apakah saya memerlukan lisensi untuk pengembangan dan pengujian?</strong><br>
Lisensi sementara sudah cukup untuk evaluasi dan pengujian. Untuk penyebaran produksi, beli lisensi penuh dari halaman produk dan terapkan menggunakan API lisensi SDK.</p>
</li>
</ul>
<h2 id="baca-selengkapnya">Baca Selengkapnya</h2>
<ul>
<li><a href="https://blog.groupdocs.cloud/id/watermark/add-overlay-text-on-a-gif-using-rest-api-in-csharp/">Tambahkan Teks Overlay pada GIF menggunakan REST API di C#</a></li>
<li><a href="https://blog.groupdocs.cloud/id/watermark/add-watermark-to-images-using-java/">Tambahkan Watermark ke Gambar menggunakan Java</a></li>
<li><a href="https://blog.groupdocs.cloud/id/watermark/add-watermark-to-word-in-java-watermark-creator/">Tambahkan Watermark ke Word dalam Java - Watermark Creator</a></li>
</ul>
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