gui/gpu: Implement setting and toggle for Aspect Ratio (#1777)

* gui/gpu: Implement setting and toggle for Aspect Ratio

* address gdkchan feedback and add 16:10

* fix config.json file

* Fix rebase

* Address gdkchan feedback

* Address rip feedback

* Fix aspectWidth

1 files changed, 59 insertions, 0 deletions

diff --git a/Ryujinx.Common/Configuration/AspectRatioExtensions.cs b/Ryujinx.Common/Configuration/AspectRatioExtensions.cs
new file mode 100644
index 00000000..3d0be88e
--- /dev/null
+++ b/Ryujinx.Common/Configuration/AspectRatioExtensions.cs
@@ -0,0 +1,59 @@
+namespace Ryujinx.Common.Configuration
+{
+    public enum AspectRatio
+    {
+        Fixed4x3,
+        Fixed16x9,
+        Fixed16x10,
+        Fixed21x9,
+        Fixed32x9,
+        Stretched
+    }
+
+    public static class AspectRatioExtensions
+    {
+        public static float ToFloat(this AspectRatio aspectRatio)
+        {
+            return aspectRatio.ToFloatX() / aspectRatio.ToFloatY();
+        }
+
+        public static float ToFloatX(this AspectRatio aspectRatio)
+        {
+            return aspectRatio switch
+            {
+                AspectRatio.Fixed4x3   => 4.0f,
+                AspectRatio.Fixed16x9  => 16.0f,
+                AspectRatio.Fixed16x10 => 16.0f,
+                AspectRatio.Fixed21x9  => 21.0f,
+                AspectRatio.Fixed32x9  => 32.0f,
+                _                      => 16.0f
+            };
+        }
+
+        public static float ToFloatY(this AspectRatio aspectRatio)
+        {
+            return aspectRatio switch
+            {
+                AspectRatio.Fixed4x3   => 3.0f,
+                AspectRatio.Fixed16x9  => 9.0f,
+                AspectRatio.Fixed16x10 => 10.0f,
+                AspectRatio.Fixed21x9  => 9.0f,
+                AspectRatio.Fixed32x9  => 9.0f,
+                _                      => 9.0f
+            };
+        }
+
+        public static string ToText(this AspectRatio aspectRatio)
+        {
+            return aspectRatio switch
+            {
+                AspectRatio.Fixed4x3   => "4:3",
+                AspectRatio.Fixed16x9  => "16:9",
+                AspectRatio.Fixed16x10 => "16:10",
+                AspectRatio.Fixed21x9  => "21:9",
+                AspectRatio.Fixed32x9  => "32:9",
+                _                      => "Stretched"
+            };
+        }
+    }
+}
\ No newline at end of file