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Commit e62fdbb2 authored by Marco Felsch's avatar Marco Felsch Committed by Mauro Carvalho Chehab
Browse files

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: default avatarMarco Felsch <m.felsch@pengutronix.de>
Acked-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent 8a7441ba

include/media/v4l2-rect.h

+26 −0
Original line number Diff line number Diff line
@@ -82,6 +82,32 @@ static inline bool v4l2_rect_same_size(const struct v4l2_rect *r1, 
	return r1->width == r2->width && r1->height == r2->height;

}



/**

 * 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.