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authorMarco Felsch <m.felsch@pengutronix.de>2018-06-28 19:20:37 +0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-09-17 20:25:41 +0300
commite62fdbb24c342f78e431e05925097165cc0e05e9 (patch)
treeef0d2e85a16d142616e855d0c5d36f7451379e9c /include/media/v4l2-rect.h
parent8a7441baccd4ce85e34a0a500824900d2b58a4b0 (diff)
downloadlinux-e62fdbb24c342f78e431e05925097165cc0e05e9.tar.xz
media: v4l2-rect.h: add position and equal helpers
Add two helper functions to check if two rectangles have the same position (top/left) and if two rectangles equals (same size and same position). Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include/media/v4l2-rect.h')
-rw-r--r--include/media/v4l2-rect.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/media/v4l2-rect.h b/include/media/v4l2-rect.h
index 595c3ba05f23..c86474dc7b55 100644
--- a/include/media/v4l2-rect.h
+++ b/include/media/v4l2-rect.h
@@ -83,6 +83,32 @@ static inline bool v4l2_rect_same_size(const struct v4l2_rect *r1,
}
/**
+ * v4l2_rect_same_position() - return true if r1 has the same position as r2
+ * @r1: rectangle.
+ * @r2: rectangle.
+ *
+ * Return true if both rectangles have the same position
+ */
+static inline bool v4l2_rect_same_position(const struct v4l2_rect *r1,
+ const struct v4l2_rect *r2)
+{
+ return r1->top == r2->top && r1->left == r2->left;
+}
+
+/**
+ * v4l2_rect_equal() - return true if r1 equals r2
+ * @r1: rectangle.
+ * @r2: rectangle.
+ *
+ * Return true if both rectangles have the same size and position.
+ */
+static inline bool v4l2_rect_equal(const struct v4l2_rect *r1,
+ const struct v4l2_rect *r2)
+{
+ return v4l2_rect_same_size(r1, r2) && v4l2_rect_same_position(r1, r2);
+}
+
+/**
* v4l2_rect_intersect() - calculate the intersection of two rects.
* @r: intersection of @r1 and @r2.
* @r1: rectangle.