Merge branch 8.1.2 into main (#76)

* Turn of thumbs creation in image mode

* Fix print issues, rely only on own fonts, option to disable pages scroll animation

Author: vladimir-litvinchik

src/GroupDocs.Viewer.UI.API/Controllers/ViewerController.cs

@@ -332,7 +332,7 @@ private async Task<List<PageData>> CreateViewDataPagesAndThumbs(FileCredentials
         {
             await _viewer.GetPagesAsync(file, pagesToCreate);
 
-            if (_config.EnableThumbnails)
+            if (_config.EnableThumbnails && _config.RenderingMode == RenderingMode.Html)
             {
                 await _viewer.GetThumbsAsync(file, pagesToCreate);
             }
@@ -346,7 +346,7 @@ private async Task<List<PageData>> CreateViewDataPagesAndThumbs(FileCredentials
                     var pageUrl = _apiUrlBuilder.BuildPageUrl(file.FilePath, page.Number, _viewer.PageExtension);
                     var thumbUrl = _apiUrlBuilder.BuildThumbUrl(file.FilePath, page.Number, _viewer.PageExtension);
 
-                    var pageData = _config.EnableThumbnails
+                    var pageData = _config.EnableThumbnails && _config.RenderingMode == RenderingMode.Html
                         ? new PageData(page.Number, page.Width, page.Height, pageUrl, thumbUrl)
                         : new PageData(page.Number, page.Width, page.Height, pageUrl);
 
@@ -366,7 +366,6 @@ private async Task<List<PageData>> CreateViewDataPages(FileCredentials file, Doc
         {
             await _viewer.GetPagesAsync(file, pagesToCreate);
 
-
             var pages = new List<PageData>();
             foreach (PageInfo page in docInfo.Pages)
             {
@@ -392,7 +391,7 @@ private async Task<List<PageData>> CreatePagesAndThumbs(FileCredentials file, Do
         {
             await _viewer.GetPagesAsync(file, pagesToCreate);
 
-            if (_config.EnableThumbnails)
+            if (_config.EnableThumbnails && _config.RenderingMode == RenderingMode.Html)
             {
                 await _viewer.GetThumbsAsync(file, pagesToCreate);
             }
@@ -404,7 +403,7 @@ private async Task<List<PageData>> CreatePagesAndThumbs(FileCredentials file, Do
                 var pageUrl = _apiUrlBuilder.BuildPageUrl(file.FilePath, page.Number, _viewer.PageExtension);
                 var thumbUrl = _apiUrlBuilder.BuildThumbUrl(file.FilePath, page.Number, _viewer.ThumbExtension);
 
-                var pageData = _config.EnableThumbnails
+                var pageData = _config.EnableThumbnails && _config.RenderingMode == RenderingMode.Html
                     ? new PageData(page.Number, page.Width, page.Height, pageUrl, thumbUrl)
                     : new PageData(page.Number, page.Width, page.Height, pageUrl);
 

src/GroupDocs.Viewer.UI.API/README.md

@@ -126,3 +126,27 @@ builder.Services.AddSingleton<ISearchTermResolver, MySearchTermResolver>();
 ![GroupDocs.Viewer.UI - Custom search term](https://raw.githubusercontent.com/groupdocs-viewer/groupdocs-viewer.github.io/master/resources/image/ui/custom-search-term.png)
 
 **NOTE:** This feature works only when rendering to HTML and when `PreloadPages` is set to `0` which means all the pages are preloaded. The service should be registered before you register the self-hosted or cloud API for it to take effect. By default, [SearchTermResolver.cs](./SearchTermResolution/Implementation/SearchTermResolver.cs) is registered. This class provides a default implementation that returns an empty string.
+
+### Controll Thumbnails Creation
+
+Thumbnails are only required when rendering to HTML with embedded or external resources.
+When rendering to JPG or PNG, the actual page image is used as a thumbnail for better performance.
+
+To control thumbnail creation when rendering to HTML, set the `EnableThumbnails` property to `false`.
+This hides the thumbnail panel and disables thumbnail generation by the API.
+
+The following code demonstrates how to use this option without a UI:
+
+```cs
+builder.Services
+    .AddOptions<Config>()
+    .Configure<IConfiguration>((config, configuration) =>
+    {
+        config.EnableThumbnails = false;
+    });
+
+builder.Services
+    .AddControllers()
+    .AddGroupDocsViewerSelfHostApi(config =>
+//...
+```

src/GroupDocs.Viewer.UI.Core/Configuration/Config.cs

@@ -64,6 +64,12 @@ public class Config
         /// </summary>
         public bool EnableHyperlinks { get; set; } = true;
 
+        /// <summary>
+        /// Enables or disables scroll animation when navigating to a page using page seclector control.
+        /// Default value: <c>true</c> and the scroll animation is enabled.
+        /// </summary>
+        public bool EnableScrollAnimation { get; set; } = true;
+
         /* Control Visibility Settings */
 
         /// <summary>

src/GroupDocs.Viewer.UI/App/3rdpartylicenses.txt

@@ -871,12 +871,7 @@ https://github.com/cartant/rxjs-etc by Nicholas Jamieson, MIT licensed. See the
 file header for details.
 
 --------------------------------------------------------------------------------
-Package: @ngx-translate/core
-License: "MIT"
-
-
---------------------------------------------------------------------------------
-Package: @ngrx/operators
+Package: @ngrx/effects
 License: "MIT"
 
 The MIT License (MIT)
@@ -906,7 +901,12 @@ https://github.com/cartant/rxjs-etc by Nicholas Jamieson, MIT licensed. See the
 file header for details.
 
 --------------------------------------------------------------------------------
-Package: @ngrx/effects
+Package: @ngx-translate/core
+License: "MIT"
+
+
+--------------------------------------------------------------------------------
+Package: @ngrx/operators
 License: "MIT"
 
 The MIT License (MIT)