Add option to keep original sprite sizes. Close #107

- Enabled by default
- [GUI] Added "Keep original sprite sizes" option to the Export options
- [CLI] Added "--sprite-cropping" option to the Advanced section

AssetStudioGUI/Properties/Settings.Designer.cs

@@ -382,5 +382,17 @@ namespace AssetStudioGUI.Properties {
                 this["cachePath"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("True")]
+        public bool keepSpriteSize {
+            get {
+                return ((bool)(this["keepSpriteSize"]));
+            }
+            set {
+                this["keepSpriteSize"] = value;
+            }
+        }
     }
 }

AssetStudioGUI/Properties/Settings.settings

@@ -92,5 +92,8 @@
     <Setting Name="cachePath" Type="System.String" Scope="User">
       <Value Profile="(Default)" />
     </Setting>
+    <Setting Name="keepSpriteSize" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">True</Value>
+    </Setting>
   </Settings>
 </SettingsFile>