Update Texture Viewer

Author: GitHubDragonFly

viewers/templates/Texture Viewer.html

@@ -132,13 +132,13 @@
         <label for="file_image_input" title="Background Image" style="display: none; color: #553801;">BGND</label>
         <input type="file" id="file_image_input" style="display: none;" accept="image/avif, image/bmp, image/gif, image/jpeg, image/png, image/svg+xml, image/webp" onchange="set_scene_image();" disabled />
         <button title="Toggle Gradient Color Background" id="btn_bgnd_linear_gradient" style="display: none; background-color: transparent; color: blue;" onclick="set_bgnd_linear_gradient();" disabled>G</button>
-        <button title="Image Opacity - double click to enable/disable" id="btn_dc_opacity" class="dropdown" style="display: none;" ondblclick="set_opacity();" onclick="show_hide_dropdown_opacity();">O
+        <button title="Image Opacity - double click to enable/disable" id="btn_dc_opacity" class="dropdown" style="display: none;" ondblclick="set_opacity();" onclick="show_hide_dropdown_opacity();" disabled>O
           <div id="dc_opacity" class="dropdown-content" style="display: none;" onfocusout="if (enable_opacity === true) hide_dropdown_opacity();">
             <input type="range" orient="vertical" id="img_opacity" min="0" max="1" step="0.05" value="1" onkeydown="return_false();" oninput="set_img_opacity();" disabled />
             <span id="opacity_val">1</span>
           </div>
         </button>
-        <button title="Image Scale" id="btn_dc_scale" class="dropdown" style="display: none;" onclick="show_hide_dropdown_scale();">Scale
+        <button title="Image Scale" id="btn_dc_scale" class="dropdown" style="display: none;" onclick="show_hide_dropdown_scale();" disabled>Scale
           <div id="dc_scale" class="dropdown-content" style="display: none;" onfocusout="hide_dropdown_scale();">
             <input type="range" orient="vertical" id="img_scale" min="0.25" max="2" step="0.25" value="1" onkeydown="return_false();" oninput="set_img_scale();" disabled />
             <span id="scale_val">1</span>