libcamera: controls: Add rectangle and size control types

Add two control types to store rectangles and sizes. These will be
useful for the properties related to the pixel array.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>

src/libcamera/controls.cpp

@@ -58,6 +58,8 @@ static constexpr size_t ControlValueSize[] = {
 	[ControlTypeInteger64]		= sizeof(int64_t),
 	[ControlTypeFloat]		= sizeof(float),
 	[ControlTypeString]		= sizeof(char),
+	[ControlTypeRectangle]		= sizeof(Rectangle),
+	[ControlTypeSize]		= sizeof(Size),
 };
 
 } /* namespace */
@@ -242,6 +244,16 @@ std::string ControlValue::toString() const
 			str += std::to_string(*value);
 			break;
 		}
+		case ControlTypeRectangle: {
+			const Rectangle *value = reinterpret_cast<const Rectangle *>(data);
+			str += value->toString();
+			break;
+		}
+		case ControlTypeSize: {
+			const Size *value = reinterpret_cast<const Size *>(data);
+			str += value->toString();
+			break;
+		}
 		case ControlTypeNone:
 		case ControlTypeString:
 			break;