(GUI): added scale large image option.

GUI/App.config

@@ -91,6 +91,9 @@
             <setting name="appLastDestination" serializeAs="String">
                 <value />
             </setting>
+            <setting name="winDownScaleImage" serializeAs="String">
+                <value>False</value>
+            </setting>
         </GARbro.GUI.Properties.Settings>
     </userSettings>
 </configuration>

GUI/ImagePreview.cs

@@ -2,7 +2,7 @@
 //! \date       Sun Jul 06 06:34:56 2014
 //! \brief      preview images.
 //
-// Copyright (C) 2014-2015 by morkt
+// Copyright (C) 2014-2018 by morkt
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to
@@ -259,6 +259,7 @@ namespace GARbro.GUI
                 {
                     ActiveViewer = ImageView;
                     ImageCanvas.Source = bitmap;
+                    ApplyDownScaleSetting();
                     SetStatusText (string.Format (guiStrings.MsgImageSize, bitmap.PixelWidth,
                                                   bitmap.PixelHeight, bitmap.Format.BitsPerPixel));
                 }
@@ -289,5 +290,42 @@ namespace GARbro.GUI
                 }, DispatcherPriority.ContextIdle);
             }
         }
+
+        private void SetImageScaleMode (bool scale)
+        {
+            if (scale)
+            {
+                ImageCanvas.Stretch = Stretch.Uniform;
+                RenderOptions.SetBitmapScalingMode (ImageCanvas, BitmapScalingMode.HighQuality);
+                ImageView.VerticalScrollBarVisibility = ScrollBarVisibility.Disabled;
+                ImageView.HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
+            }
+            else
+            {
+                ImageCanvas.Stretch = Stretch.None;
+                RenderOptions.SetBitmapScalingMode (ImageCanvas, BitmapScalingMode.NearestNeighbor);
+                ImageView.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
+                ImageView.HorizontalScrollBarVisibility = ScrollBarVisibility.Auto;
+            }
+        }
+
+        private void ApplyDownScaleSetting ()
+        {
+            bool image_need_scale = DownScaleImage.Get<bool>();
+            if (image_need_scale && ImageCanvas.Source != null)
+            {
+                var image = ImageCanvas.Source;
+                image_need_scale = image.Width > ImageView.ActualWidth || image.Height > ImageView.ActualHeight;
+            }
+            SetImageScaleMode (image_need_scale);
+        }
+
+        private void PreviewSizeChanged (object sender, SizeChangedEventArgs e)
+        {
+            var image = ImageCanvas.Source;
+            if (null == image || !DownScaleImage.Get<bool>())
+                return;
+            SetImageScaleMode (image.Width > e.NewSize.Width || image.Height > e.NewSize.Height);
+        }
     }
 }

GUI/MainWindow.xaml

@@ -360,7 +360,8 @@
                 </ListView.View>
             </local:ListViewEx>
             <Grid Grid.Column="2" Name="PreviewPane" SnapsToDevicePixels="True">
-                <ScrollViewer Name="ImageView" Background="LightGray" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto">
+                <ScrollViewer Name="ImageView" Background="LightGray" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto"
+                              SizeChanged="PreviewSizeChanged">
                     <Image Name="ImageCanvas" Stretch="None" UseLayoutRounding="True" SnapsToDevicePixels="True"
                            local:TouchScrolling.IsEnabled="True" RenderOptions.BitmapScalingMode="NearestNeighbor"
                            Cursor="Images/Cursors/grab.cur" local:TouchScrolling.DraggingCursor="Images/Cursors/grabbing.cur" />

GUI/MainWindow.xaml.cs

@@ -56,6 +56,8 @@ namespace GARbro.GUI
 
         public App App { get { return m_app; } }
 
+        internal static readonly GuiResourceSetting DownScaleImage = new GuiResourceSetting ("winDownScaleImage");
+
         const StringComparison StringIgnoreCase = StringComparison.CurrentCultureIgnoreCase;
 
         public MainWindow()
@@ -82,6 +84,7 @@ namespace GARbro.GUI
                     this.MinWidth = e.NewSize.Width+79;
                 }
             };
+            DownScaleImage.PropertyChanged += (s, e) => ApplyDownScaleSetting();
             pathLine.EnterKeyDown += acb_OnKeyDown;
         }
 

GUI/Properties/Settings.Designer.cs

@@ -357,5 +357,17 @@ namespace GARbro.GUI.Properties {
                 this["appLastDestination"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("False")]
+        public bool winDownScaleImage {
+            get {
+                return ((bool)(this["winDownScaleImage"]));
+            }
+            set {
+                this["winDownScaleImage"] = value;
+            }
+        }
     }
 }

GUI/Properties/Settings.settings

@@ -86,5 +86,8 @@
     <Setting Name="appLastDestination" Type="System.String" Scope="User">
       <Value Profile="(Default)" />
     </Setting>
+    <Setting Name="winDownScaleImage" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">False</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

GUI/SettingsWindow.xaml.cs

@@ -33,6 +33,7 @@ using System.Windows.Controls;
 using System.Windows.Data;
 using System.Windows.Input;
 using GameRes;
+using GARbro.GUI.Properties;
 using GARbro.GUI.Strings;
 
 namespace GARbro.GUI
@@ -54,6 +55,10 @@ namespace GARbro.GUI
             };
         }
 
+        static readonly IEnumerable<IResourceSetting> ViewerSettings = new [] {
+            MainWindow.DownScaleImage,
+        };
+
         SettingsViewModel ViewModel;
 
         static string LastSelectedSection = null;
@@ -82,17 +87,20 @@ namespace GARbro.GUI
             if (!ViewModel.HasChanges)
                 return;
             if (OnApplyChanges != null)
-                OnApplyChanges (this, new EventArgs());
+                OnApplyChanges (this, EventArgs.Empty);
             ViewModel.HasChanges = false;
         }
 
         private SettingsViewModel CreateSettingsTree ()
         {
             SettingsSectionView[] list = {
+                new SettingsSectionView {
+                    Label = guiStrings.TextViewer,
+                    Panel = CreateSectionPanel (ViewerSettings)
+                },
                 new SettingsSectionView {
                     Label = guiStrings.TextFormats,
                     Children = EnumerateFormatsSettings(),
-                    Panel = (UIElement)this.Resources["FormatsPanel"]
                 },
             };
             SettingsSectionView selected_section = null;
@@ -110,13 +118,7 @@ namespace GARbro.GUI
             var formats = FormatCatalog.Instance.Formats.Where (f => f.Settings != null && f.Settings.Any());
             foreach (var format in formats.OrderBy (f => f.Tag))
             {
-                var pane = new WrapPanel();
-                foreach (var setting in format.Settings)
-                {
-                    var widget = CreateSettingWidget (setting, setting.Value as dynamic);
-                    if (widget != null)
-                        pane.Children.Add (widget);
-                }
+                var pane = CreateSectionPanel (format.Settings);
                 if (pane.Children.Count > 0)
                 {
                     var section = new SettingsSectionView {
@@ -130,7 +132,19 @@ namespace GARbro.GUI
             return list;
         }
 
-        UIElement CreateSettingWidget (IResourceSetting setting, bool value)
+        Panel CreateSectionPanel (IEnumerable<IResourceSetting> settings)
+        {
+            var pane = new WrapPanel();
+            foreach (var setting in settings)
+            {
+                var widget = CreateSettingWidget (setting, setting.Value);
+                if (widget != null)
+                    pane.Children.Add (widget);
+            }
+            return pane;
+        }
+
+        UIElement CreateCheckBoxWidget (IResourceSetting setting)
         {
             return new CheckBox {
                 Template = (ControlTemplate)this.Resources["BoundCheckBox"],
@@ -138,7 +152,7 @@ namespace GARbro.GUI
             };
         }
 
-        UIElement CreateSettingWidget (IResourceSetting setting, Encoding value)
+        UIElement CreateEncodingWidget (IResourceSetting setting)
         {
             var view = CreateSettingView<Encoding> (setting);
             // XXX make a control template in XAML instead
@@ -169,6 +183,10 @@ namespace GARbro.GUI
 
         UIElement CreateSettingWidget<TUnknown> (IResourceSetting setting, TUnknown value)
         {
+            if (value is bool)
+                return CreateCheckBoxWidget (setting);
+            if (value is Encoding)
+                return CreateEncodingWidget (setting);
             Trace.WriteLine (string.Format ("Unknown setting type {0}", value.GetType()), "[GUI]");
             return null;
         }
@@ -348,4 +366,36 @@ namespace GARbro.GUI
             throw new System.NotImplementedException();
         }
     }
+
+    internal class GuiResourceSetting : ResourceSettingBase, INotifyPropertyChanged
+    {
+        public override object Value {
+            get { return Settings.Default[Name]; }
+            set {
+                if (!Settings.Default[Name].Equals (value))
+                {
+                    Settings.Default[Name] = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
+
+        public GuiResourceSetting () { }
+
+        public GuiResourceSetting (string name)
+        {
+            Name = name;
+            Text = guiStrings.ResourceManager.GetString (name, guiStrings.Culture) ?? name;
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        void OnPropertyChanged ([CallerMemberName] string propertyName = "")
+        {
+            if (PropertyChanged != null)
+            {
+                PropertyChanged (this, new PropertyChangedEventArgs (propertyName));
+            }
+        }
+    }
 }

GUI/Strings/guiStrings.Designer.cs

@@ -1273,6 +1273,15 @@ namespace GARbro.GUI.Strings {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Image viewer.
+        /// </summary>
+        public static string TextViewer {
+            get {
+                return ResourceManager.GetString("TextViewer", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Visit download page.
         /// </summary>
@@ -1326,5 +1335,14 @@ namespace GARbro.GUI.Strings {
                 return ResourceManager.GetString("Type_NONE", resourceCulture);
             }
         }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Scale large images to fit window.
+        /// </summary>
+        public static string winDownScaleImage {
+            get {
+                return ResourceManager.GetString("winDownScaleImage", resourceCulture);
+            }
+        }
     }
 }

GUI/Strings/guiStrings.ja-JP.resx

@@ -691,4 +691,10 @@ Overwrite?</comment>
     <value>環境設定</value>
     <comment>Preferences</comment>
   </data>
+  <data name="TextViewer" xml:space="preserve">
+    <value>Image viewer</value>
+  </data>
+  <data name="winDownScaleImage" xml:space="preserve">
+    <value>Scale large images to fit window</value>
+  </data>
 </root>

GUI/Strings/guiStrings.ko-KR.resx

@@ -561,4 +561,12 @@
     <value>script</value>
     <comment>translation pending</comment>
   </data>
+  <data name="TextViewer" xml:space="preserve">
+    <value>Image viewer</value>
+    <comment>translation pending</comment>
+  </data>
+  <data name="winDownScaleImage" xml:space="preserve">
+    <value>Scale large images to fit window</value>
+    <comment>translation pending</comment>
+  </data>
 </root>

GUI/Strings/guiStrings.resx

@@ -545,4 +545,10 @@ Overwrite?</value>
   <data name="TextPreferences" xml:space="preserve">
     <value>Preferences</value>
   </data>
+  <data name="TextViewer" xml:space="preserve">
+    <value>Image viewer</value>
+  </data>
+  <data name="winDownScaleImage" xml:space="preserve">
+    <value>Scale large images to fit window</value>
+  </data>
 </root>

GUI/Strings/guiStrings.ru-RU.resx

@@ -566,4 +566,10 @@
   <data name="TextPreferences" xml:space="preserve">
     <value>Настройки</value>
   </data>
+  <data name="TextViewer" xml:space="preserve">
+    <value>Просмотр</value>
+  </data>
+  <data name="winDownScaleImage" xml:space="preserve">
+    <value>Масштабировать большие изображения</value>
+  </data>
 </root>

GUI/Strings/guiStrings.zh-Hans.resx

@@ -562,4 +562,12 @@
     <value>script</value>
     <comment>translation pending</comment>
   </data>
+  <data name="TextViewer" xml:space="preserve">
+    <value>Image viewer</value>
+    <comment>translation pending</comment>
+  </data>
+  <data name="winDownScaleImage" xml:space="preserve">
+    <value>Scale large images to fit window</value>
+    <comment>translation pending</comment>
+  </data>
 </root>