move wlr_box from /types to /util

include/wlr/util/box.h

@@ -0,0 +1,42 @@
+/*
+ * This an unstable interface of wlroots. No guarantees are made regarding the
+ * future consistency of this API.
+ */
+#ifndef WLR_USE_UNSTABLE
+#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
+#endif
+
+#ifndef WLR_TYPES_WLR_BOX_H
+#define WLR_TYPES_WLR_BOX_H
+
+#include <pixman.h>
+#include <stdbool.h>
+#include <wayland-server-protocol.h>
+
+struct wlr_box {
+	int x, y;
+	int width, height;
+};
+
+struct wlr_fbox {
+	double x, y;
+	double width, height;
+};
+
+void wlr_box_closest_point(const struct wlr_box *box, double x, double y,
+	double *dest_x, double *dest_y);
+
+bool wlr_box_intersection(struct wlr_box *dest, const struct wlr_box *box_a,
+	const struct wlr_box *box_b);
+
+bool wlr_box_contains_point(const struct wlr_box *box, double x, double y);
+
+bool wlr_box_empty(const struct wlr_box *box);
+
+/**
+ * Transforms a box inside a `width` x `height` box.
+ */
+void wlr_box_transform(struct wlr_box *dest, const struct wlr_box *box,
+	enum wl_output_transform transform, int width, int height);
+
+#endif