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libcamera: geometry: Add helper functions to the Size class

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Pipeline handlers commonly have to calculate the minimum or maximum of
multiple sizes, or align a size's width and height. Add helper functions
to the Size class to perform those tasks.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
This commit is contained in:
Laurent Pinchart 2020-07-10 11:23:25 +03:00
parent 74c8b50833
commit 6c0afb8b33
3 changed files with 98 additions and 0 deletions
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29
test/geometry.cpp
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@ -46,6 +46,35 @@ protected:
return TestFail;
}
/* Test alignedDownTo(), alignedUpTo(), boundedTo() and expandedTo() */
if (Size(0, 0).alignedDownTo(16, 8) != Size(0, 0) ||
Size(1, 1).alignedDownTo(16, 8) != Size(0, 0) ||
Size(16, 8).alignedDownTo(16, 8) != Size(16, 8)) {
cout << "Size::alignedDownTo() test failed" << endl;
return TestFail;
}
if (Size(0, 0).alignedUpTo(16, 8) != Size(0, 0) ||
Size(1, 1).alignedUpTo(16, 8) != Size(16, 8) ||
Size(16, 8).alignedUpTo(16, 8) != Size(16, 8)) {
cout << "Size::alignedUpTo() test failed" << endl;
return TestFail;
}
if (Size(0, 0).boundedTo({ 100, 100 }) != Size(0, 0) ||
Size(200, 50).boundedTo({ 100, 100 }) != Size(100, 50) ||
Size(50, 200).boundedTo({ 100, 100 }) != Size(50, 100)) {
cout << "Size::boundedTo() test failed" << endl;
return TestFail;
}
if (Size(0, 0).expandedTo({ 100, 100 }) != Size(100, 100) ||
Size(200, 50).expandedTo({ 100, 100 }) != Size(200, 100) ||
Size(50, 200).expandedTo({ 100, 100 }) != Size(100, 200)) {
cout << "Size::expandedTo() test failed" << endl;
return TestFail;
}
/* Test Size equality and inequality. */
if (!compare(Size(100, 100), Size(100, 100), &operator==, "==", true))
return TestFail;