Add opacity settings to on-screen controls (#798)

* Restore resize controls, Make buttons oval

* Create new default configuration

* Split Configuration Mode into separate Move and Resize modes

* Add transparency setting for on-screen buttons

* Updated translations for on-screen controls

Co-authored-by: Leo <chun.huang@student.manchester.ac.uk>

app/src/main/java/com/limelight/binding/input/virtual_controller/VirtualController.java

@@ -125,6 +125,13 @@ public class VirtualController {
         elements.clear();
     }
 
+    public void setOpacity(int opacity) {
+        for (VirtualControllerElement element : elements) {
+            element.setOpacity(opacity);
+        }
+    }
+
+
     public void addElement(VirtualControllerElement element, int x, int y, int width, int height) {
         elements.add(element);
         RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(width, height);

app/src/main/java/com/limelight/binding/input/virtual_controller/VirtualControllerConfigurationLoader.java

@@ -324,6 +324,8 @@ public class VirtualControllerConfigurationLoader {
                     screenScale(TRIGGER_HEIGHT, height)
             );
         }
+
+        controller.setOpacity(config.oscOpacity);
     }
 
     public static void saveProfile(final VirtualController controller,
@@ -361,4 +363,4 @@ public class VirtualControllerConfigurationLoader {
             }
         }
     }
-}
+}

app/src/main/java/com/limelight/binding/input/virtual_controller/VirtualControllerElement.java

@@ -295,6 +295,15 @@ public abstract class VirtualControllerElement extends View {
         invalidate();
     }
 
+
+    public void setOpacity(int opacity) {
+        int hexOpacity = opacity * 255 / 100;
+        this.normalColor = (hexOpacity << 24) | (normalColor & 0x00FFFFFF);
+        this.pressedColor = (hexOpacity << 24) | (pressedColor & 0x00FFFFFF);
+
+        invalidate();
+    }
+
     protected final float getPercent(float value, float percent) {
         return value / 100 * percent;
     }