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libcamera: geometry: Add isNull() function to Size class

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It's common for code to check if a size is null. Add a helper function
to do so.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <email@uajain.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
This commit is contained in:
Laurent Pinchart 2020-06-25 04:23:30 +03:00 • committed by Niklas Söderlund
parent d8848693bf
commit 7fc65e9680
3 changed files with 17 additions and 0 deletions
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10
test/geometry.cpp
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@ -36,6 +36,16 @@ protected:
int run()
{
if (!Size().isNull() || !Size(0, 0).isNull()) {
cout << "Null size incorrectly reported as not null" << endl;
return TestFail;
}
if (Size(0, 100).isNull() || Size(100, 0).isNull() || Size(100, 100).isNull()) {
cout << "Non-null size incorrectly reported as null" << endl;
return TestFail;
}
/* Test Size equality and inequality. */
if (!compare(Size(100, 100), Size(100, 100), &operator==, "==", true))
return TestFail;