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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/include/media/v4l2-rect.h
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@@ -83,6 +83,32 @@
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 }
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 /**
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+ * v4l2_rect_same_position() - return true if r1 has the same position as r2
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+ * @r1: rectangle.
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+ * @r2: rectangle.
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+ *
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+ * Return true if both rectangles have the same position
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+ */
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+static inline bool v4l2_rect_same_position(const struct v4l2_rect *r1,
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+					   const struct v4l2_rect *r2)
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+{
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+	return r1->top == r2->top && r1->left == r2->left;
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+}
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+
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+/**
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+ * v4l2_rect_equal() - return true if r1 equals r2
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+ * @r1: rectangle.
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+ * @r2: rectangle.
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+ *
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+ * Return true if both rectangles have the same size and position.
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+ */
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+static inline bool v4l2_rect_equal(const struct v4l2_rect *r1,
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+				   const struct v4l2_rect *r2)
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+{
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+	return v4l2_rect_same_size(r1, r2) && v4l2_rect_same_position(r1, r2);
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+}
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+
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+/**
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  * v4l2_rect_intersect() - calculate the intersection of two rects.
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  * @r: intersection of @r1 and @r2.
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  * @r1: rectangle.
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@@ -158,4 +184,24 @@
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 	return true;
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 }
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+/**
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+ * v4l2_rect_enclosed() - is r1 enclosed in r2?
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+ * @r1: rectangle.
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+ * @r2: rectangle.
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+ *
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+ * Returns true if @r1 is enclosed in @r2.
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+ */
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+static inline bool v4l2_rect_enclosed(struct v4l2_rect *r1,
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+				      struct v4l2_rect *r2)
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+{
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+	if (r1->left < r2->left || r1->top < r2->top)
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+		return false;
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+	if (r1->left + r1->width > r2->left + r2->width)
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+		return false;
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+	if (r1->top + r1->height > r2->top + r2->height)
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+		return false;
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+
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+	return true;
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+}
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+
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 #endif