libcamera: Use the Size class through libcamera

Several of our structures include width and height fields that model a
size while we have a Size class for that purpose. Use the Size class
through libcamera, and give it a toString() method like other geometry
and format classes.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/include/libcamera/geometry.h b/include/libcamera/geometry.h
index 3dbbced5..a87d65d3 100644
--- a/include/libcamera/geometry.h
+++ b/include/libcamera/geometry.h
@@ -40,6 +40,8 @@ struct Size {
 
 	unsigned int width;
 	unsigned int height;
+
+	const std::string toString() const;
 };
 
 bool operator==(const Size &lhs, const Size &rhs);