[libcamera-devel] [PATCH v2 16/20] libcamera: geometry: Add isNull() function to Rectangle class
Jacopo Mondi
jacopo at jmondi.org
Thu Jul 9 10:41:24 CEST 2020
It's common for code to check if a rectangle is null. Add a helper function
to do so.
Reviewed-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
---
include/libcamera/geometry.h | 1 +
src/libcamera/geometry.cpp | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/include/libcamera/geometry.h b/include/libcamera/geometry.h
index 7d4b8bcfe3d8..44561d9cc5a4 100644
--- a/include/libcamera/geometry.h
+++ b/include/libcamera/geometry.h
@@ -18,6 +18,7 @@ struct Rectangle {
unsigned int width;
unsigned int height;
+ bool isNull() const { return !width && !height; }
const std::string toString() const;
};
diff --git a/src/libcamera/geometry.cpp b/src/libcamera/geometry.cpp
index 24c44fb43acf..af29ed1119fe 100644
--- a/src/libcamera/geometry.cpp
+++ b/src/libcamera/geometry.cpp
@@ -49,6 +49,12 @@ namespace libcamera {
* \brief The distance between the top and bottom sides
*/
+/**
+ * \fn bool Rectangle::isNull() const
+ * \brief Check if the rectangle is null
+ * \return True if both the width and height are 0, or false otherwise
+ */
+
/**
* \brief Assemble and return a string describing the rectangle
* \return A string describing the Rectangle
--
2.27.0
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