From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/include/media/v4l2-rect.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 46 insertions(+), 0 deletions(-)
diff --git a/kernel/include/media/v4l2-rect.h b/kernel/include/media/v4l2-rect.h
index 59745e5..bd587d0 100644
--- a/kernel/include/media/v4l2-rect.h
+++ b/kernel/include/media/v4l2-rect.h
@@ -83,6 +83,32 @@
}
/**
+ * 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.
@@ -158,4 +184,24 @@
return true;
}
+/**
+ * v4l2_rect_enclosed() - is r1 enclosed in r2?
+ * @r1: rectangle.
+ * @r2: rectangle.
+ *
+ * Returns true if @r1 is enclosed in @r2.
+ */
+static inline bool v4l2_rect_enclosed(struct v4l2_rect *r1,
+ struct v4l2_rect *r2)
+{
+ if (r1->left < r2->left || r1->top < r2->top)
+ return false;
+ if (r1->left + r1->width > r2->left + r2->width)
+ return false;
+ if (r1->top + r1->height > r2->top + r2->height)
+ return false;
+
+ return true;
+}
+
#endif
--
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