Changeset 266ec54 in mainline for uspace/lib/gfx/src/coord.c

Timestamp:

2020-11-28T23:06:31Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

db3c6795

Parents:

554a5f1

git-author:

Jiri Svoboda <jiri@…> (2020-11-27 22:30:28)

git-committer:

Jiri Svoboda <jiri@…> (2020-11-28 23:06:31)

Message:

Viewer fullsreen mode

Fullscreen window placement is more of a stopgap. Proper
solution would probably be via maximizing the window.

File:

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

uspace/lib/gfx/src/coord.c

@@ -238 +238 @@
 }
 
+/** Center rectangle on rectangle.
+ *
+ * Translate rectangle @a a so that its center coincides with the
+ * center of rectangle @a b, saving the result in @a dest.
+ *
+ * @param a Rectnagle to translate
+ * @param b Rectangle on which to center
+ * @param dest Place to store resulting rectangle
+ */
+void gfx_rect_ctr_on_rect(gfx_rect_t *a, gfx_rect_t *b, gfx_rect_t *dest)
+{
+        gfx_coord2_t adim;
+        gfx_coord2_t bdim;
+
+        gfx_rect_dims(a, &adim);
+        gfx_rect_dims(b, &bdim);
+
+        dest->p0.x = b->p0.x + bdim.x / 2 - adim.x / 2;
+        dest->p0.y = b->p0.y + bdim.y / 2 - adim.y / 2;
+
+        dest->p1.x = dest->p0.x + adim.x;
+        dest->p1.y = dest->p0.y + adim.y;
+}
+
 /** Sort points of a rectangle.
  *