Changeset afcf704 in mainline for uspace/lib/gfx/src/coord.c

Timestamp:

2020-06-14T22:23:34Z (5 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c45d8696

Parents:

28f8f6f2

Message:

Allow GUI direct access to window buffer

File:

• uspace/lib/gfx/src/coord.c (modified) (1 diff)

uspace/lib/gfx/src/coord.c

@@ -255 +255 @@
 }
 
+/** Return true if rectangle @a a is contained in rectangle @a b.
+ *
+ * @param a Inside rectangle
+ * @param b Outside rectangle
+ * @return @c true iff @a a is (non-strictly) inside @a b
+ */
+bool gfx_rect_is_inside(gfx_rect_t *a, gfx_rect_t *b)
+{
+        gfx_rect_t sa;
+        gfx_rect_t sb;
+
+        gfx_rect_points_sort(a, &sa);
+        gfx_rect_points_sort(b, &sb);
+
+        if (sa.p0.x < sb.p0.x || sa.p0.y < sb.p0.y)
+                return false;
+
+        if (sa.p1.x > sb.p1.x || sa.p1.y > sb.p1.y)
+                return false;
+
+        return true;
+}
+
 /** Get rectangle dimensions.
  *