X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fstencil-scheme.cc;h=102fe5e6c90389e028033d26e84e2c2784ff100a;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=2e407b629ce17b73760121fb1cf6a1159185806a;hpb=fa4cd867ea93884cc094814dda7c04b94e71ccf4;p=lilypond.git

diff --git a/lily/stencil-scheme.cc b/lily/stencil-scheme.cc
index 2e407b629c..102fe5e6c9 100644
--- a/lily/stencil-scheme.cc
+++ b/lily/stencil-scheme.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 
@@ -288,7 +288,8 @@ LY_DEFINE (ly_bracket, "ly:bracket",
 LY_DEFINE (ly_stencil_rotate, "ly:stencil-rotate",
 	   4, 0, 0, (SCM stil, SCM angle, SCM x, SCM y),
 	   "Return a stencil @var{stil} rotated @var{angle} degrees around"
-	   " point (@var{x}, @var{y}).")
+	   " the relative offset (@var{x}, @var{y}). E.g. an offset of"
+	   " (-1, 1) will rotate the stencil around the left upper corner.")
 {
   Stencil *s = unsmob_stencil (stil);
   LY_ASSERT_SMOB (Stencil, stil, 1);
@@ -305,6 +306,26 @@ LY_DEFINE (ly_stencil_rotate, "ly:stencil-rotate",
   return new_s;
 }
 
+LY_DEFINE (ly_stencil_rotate_absolute, "ly:stencil-rotate-absolute",
+	   4, 0, 0, (SCM stil, SCM angle, SCM x, SCM y),
+	   "Return a stencil @var{stil} rotated @var{angle} degrees around"
+	   " point (@var{x}, @var{y}), given in absolute coordinates.")
+{
+  Stencil *s = unsmob_stencil (stil);
+  LY_ASSERT_SMOB (Stencil, stil, 1);
+  LY_ASSERT_TYPE (scm_is_number, angle, 2);
+  LY_ASSERT_TYPE (scm_is_number, x, 3);
+  LY_ASSERT_TYPE (scm_is_number, y, 4);
+  Real a = scm_to_double (angle);
+  Real x_off = scm_to_double (x);
+  Real y_off = scm_to_double (y);
+
+  SCM new_s = s->smobbed_copy ();
+  Stencil *q = unsmob_stencil (new_s);
+  q->rotate_degrees_absolute (a, Offset (x_off, y_off));
+  return new_s;
+}
+
 LY_DEFINE (ly_round_filled_box, "ly:round-filled-box",
 	   3, 0, 0,
 	   (SCM xext, SCM yext, SCM blot),
@@ -320,11 +341,11 @@ LY_DEFINE (ly_round_filled_box, "ly:round-filled-box",
 }
 
 LY_DEFINE (ly_round_filled_polygon, "ly:round-filled-polygon",
-           2, 0, 0,
-           (SCM points, SCM blot),
-           "Make a @code{Stencil} object that prints a black polygon with "
-           "corners at the points defined by @var{points} (list of coordinate "
-           "pairs) and roundness @var{blot}.")
+	   2, 0, 0,
+	   (SCM points, SCM blot),
+	   "Make a @code{Stencil} object that prints a black polygon with"
+	   " corners at the points defined by @var{points} (list of coordinate"
+	   " pairs) and roundness @var{blot}.")
 {
   SCM_ASSERT_TYPE (scm_ilength (points) > 0, points, SCM_ARG1, __FUNCTION__, "list of coordinate pairs");
   LY_ASSERT_TYPE (scm_is_number, blot, 2);