#include "font-metric.hh"
#include "stencil.hh"
-
-LY_DEFINE (ly_stencil_set_extent_x,"ly:stencil-set-extent!",
+/*
+ TODO: naming add/combine.
+ */
+/*
+ UGH. Junk all mutators.
+ */
+LY_DEFINE (ly_stencil_set_extent_x, "ly:stencil-set-extent!",
3, 0, 0, (SCM stil, SCM axis, SCM np),
"Set the extent of @var{stil} "
"(@var{extent} must be a pair of numbers) "
Stencil *s = unsmob_stencil (stil);
SCM_ASSERT_TYPE (s, stil, SCM_ARG1, __FUNCTION__, "stencil");
SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG2, __FUNCTION__, "axis");
- SCM_ASSERT_TYPE (is_number_pair (np), np, SCM_ARG3, __FUNCTION__, "number pair");
+ SCM_ASSERT_TYPE (is_number_pair (np), np, SCM_ARG3, __FUNCTION__,
+ "number pair");
Interval iv = ly_scm2interval (np);
- s->dim_[Axis (gh_scm2int (axis))] = iv;
+ s->dim_[Axis (scm_to_int (axis))] = iv;
- return SCM_UNDEFINED;
+ return SCM_UNSPECIFIED;
}
LY_DEFINE (ly_translate_stencil_axis, "ly:stencil-translate-axis",
3, 0, 0, (SCM stil, SCM amount, SCM axis),
- "Return a @var{stil}, "
- "but translated by @var{amount} in @var{axis} direction.")
+ "Return a copy of @var{stil} but translated by @var{amount} in @var{axis} direction.")
{
Stencil *s = unsmob_stencil (stil);
SCM_ASSERT_TYPE (s, stil, SCM_ARG1, __FUNCTION__, "stencil");
- SCM_ASSERT_TYPE (gh_number_p (amount), amount, SCM_ARG2, __FUNCTION__, "number pair");
+ SCM_ASSERT_TYPE (scm_is_number (amount), amount, SCM_ARG2, __FUNCTION__, "number pair");
SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG3, __FUNCTION__, "axis");
- Stencil q (*s);
- q.translate_axis (gh_scm2double (amount), Axis (gh_scm2int (axis)));
+ SCM new_s = s->smobbed_copy ();
+ Stencil *q = unsmob_stencil (new_s);
+ q->translate_axis (scm_to_double (amount), Axis (scm_to_int (axis)));
+ return new_s;
- return q.smobbed_copy();
}
-LY_DEFINE (ly_translate_stencil,"ly:stencil-translate",
+LY_DEFINE (ly_translate_stencil, "ly:stencil-translate",
2, 0, 0, (SCM stil, SCM offset),
"Return a @var{stil}, "
"but translated by @var{offset} (a pair of numbers).")
SCM_ASSERT_TYPE (is_number_pair (offset), offset, SCM_ARG2, __FUNCTION__, "number pair");
Offset o = ly_scm2offset (offset);
- Stencil q (*s);
- q.translate (o);
- return q.smobbed_copy();
+ SCM new_s = s->smobbed_copy ();
+ Stencil *q =unsmob_stencil (new_s);
+ q->translate (o);
+ return new_s;
}
-LY_DEFINE (ly_stencil_get_expr, "ly:stencil-get-expr",
- 1 , 0, 0, (SCM stil),
+LY_DEFINE (ly_stencil_expr, "ly:stencil-expr",
+ 1, 0, 0, (SCM stil),
"Return the expression of @var{stil}.")
{
Stencil *s = unsmob_stencil (stil);
SCM_ASSERT_TYPE (s, stil, SCM_ARG1, __FUNCTION__, "stencil");
- return s->get_expr ();
+ return s->expr ();
}
-LY_DEFINE (ly_stencil_get_extent,
- "ly:stencil-get-extent", 2 , 0, 0, (SCM stil, SCM axis),
+LY_DEFINE (ly_stencil_get_extent, "ly:stencil-extent",
+ 2, 0, 0, (SCM stil, SCM axis),
"Return a pair of numbers signifying the extent of @var{stil} in "
"@var{axis} direction (0 or 1 for x and y axis respectively).")
{
SCM_ASSERT_TYPE (s, stil, SCM_ARG1, __FUNCTION__, "stencil");
SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG2, __FUNCTION__, "axis");
- return ly_interval2scm (s->extent (Axis (gh_scm2int (axis))));
+ return ly_interval2scm (s->extent (Axis (scm_to_int (axis))));
+}
+
+
+LY_DEFINE (ly_stencil_origin, "ly:stencil-origin",
+ 2, 0, 0, (SCM stil, SCM axis),
+ "Return a pair of numbers signifying the origin @var{stil} in "
+ "@var{axis} direction (0 or 1 for x and y axis respectively).")
+{
+ Stencil *s = unsmob_stencil (stil);
+ SCM_ASSERT_TYPE (s, stil, SCM_ARG1, __FUNCTION__, "stencil");
+ SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG2, __FUNCTION__, "axis");
+
+ return scm_from_double (s->origin()[Axis (scm_to_int (axis))]);
+}
+
+
+LY_DEFINE (ly_stencil_moved_to_edge, "ly:stencil-moved-to-edge",
+ 4, 2, 0, (SCM first, SCM axis, SCM direction, SCM second,
+ SCM padding, SCM minimum),
+ "Similar to @code{ly:stencil-combine-edge}, but returns "
+ "@var{second} positioned to be next to @var{first}. ")
+{
+ /*
+ C&P from combine-at-edge.
+ */
+ Stencil *s1 = unsmob_stencil (first);
+ Stencil *s2 = unsmob_stencil (second);
+ Stencil first_stencil;
+
+ SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG3, __FUNCTION__, "axis");
+ SCM_ASSERT_TYPE (is_direction (direction), direction, SCM_ARG4, __FUNCTION__, "dir");
+
+ Real p = 0.0;
+ if (padding != SCM_UNDEFINED)
+ {
+ SCM_ASSERT_TYPE (scm_is_number (padding), padding, SCM_ARG5, __FUNCTION__, "number");
+ p = scm_to_double (padding);
+ }
+ Real m = 0.0;
+ if (minimum != SCM_UNDEFINED)
+ {
+ SCM_ASSERT_TYPE (scm_is_number (minimum), minimum, SCM_ARG6, __FUNCTION__, "number");
+ m = scm_to_double (minimum);
+ }
+
+ if (s1)
+ first_stencil = *s1;
+
+ if (s2)
+ return first_stencil.moved_to_edge (Axis (scm_to_int (axis)),
+ Direction (scm_to_int (direction)),
+ *s2, p, m).smobbed_copy ();
+ else
+ return Stencil().smobbed_copy ();
}
-LY_DEFINE (ly_stencil_combined_at_edge,
- "ly:stencil-combine-at-edge",
+
+
+LY_DEFINE (ly_stencil_combine_at_edge, "ly:stencil-combine-at-edge",
4, 2, 0, (SCM first, SCM axis, SCM direction,
SCM second,
SCM padding,
"@var{direction} can be -1 (left or down) or 1 (right or up). "
"The stencils are juxtaposed with @var{padding} as extra space. "
"If this puts the reference points closer than @var{minimum}, "
- "they are moved by the latter amount.")
+ "they are moved by the latter amount."
+ "@var{first} and @var{second} may also be '() or #f.")
{
Stencil *s1 = unsmob_stencil (first);
Stencil *s2 = unsmob_stencil (second);
Stencil result;
- SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG3, __FUNCTION__, "axis");
- SCM_ASSERT_TYPE (is_direction (direction), direction, SCM_ARG4, __FUNCTION__, "dir");
+ SCM_ASSERT_TYPE (s1 || first == SCM_BOOL_F || first == SCM_EOL,
+ first, SCM_ARG1, __FUNCTION__, "Stencil, #f or ()");
+ SCM_ASSERT_TYPE (s2 || second == SCM_BOOL_F || second == SCM_EOL,
+ second, SCM_ARG4, __FUNCTION__, "Stencil, #f or ()");
+ SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG2, __FUNCTION__, "axis");
+ SCM_ASSERT_TYPE (is_direction (direction), direction, SCM_ARG3, __FUNCTION__, "dir");
Real p = 0.0;
if (padding != SCM_UNDEFINED)
{
- SCM_ASSERT_TYPE(gh_number_p (padding), padding, SCM_ARG5, __FUNCTION__, "number");
- p = gh_scm2double (padding);
+ SCM_ASSERT_TYPE (scm_is_number (padding), padding, SCM_ARG5, __FUNCTION__, "number");
+ p = scm_to_double (padding);
}
Real m = 0.0;
if (minimum != SCM_UNDEFINED)
{
- SCM_ASSERT_TYPE(gh_number_p (minimum), minimum, SCM_ARG6, __FUNCTION__, "number");
- m = gh_scm2double (minimum);
+ SCM_ASSERT_TYPE (scm_is_number (minimum), minimum, SCM_ARG6, __FUNCTION__, "number");
+ m = scm_to_double (minimum);
}
if (s1)
result = *s1;
+
if (s2)
- result.add_at_edge (Axis (gh_scm2int (axis)),
- Direction (gh_scm2int (direction)), *s2, p, m);
+ result.add_at_edge (Axis (scm_to_int (axis)),
+ Direction (scm_to_int (direction)), *s2, p, m);
return result.smobbed_copy ();
}
-/* FIXME: support variable number of arguments. */
-LY_DEFINE (ly_stencil_add ,
- "ly:stencil-add", 0, 0, 1, (SCM args),
+LY_DEFINE (ly_stencil_add , "ly:stencil-add",
+ 0, 0, 1, (SCM args),
"Combine stencils. Takes any number of arguments.")
{
#define FUNC_NAME __FUNCTION__
while (!SCM_NULLP (args))
{
- Stencil *s = unsmob_stencil (gh_car (args));
+ Stencil *s = unsmob_stencil (scm_car (args));
if (!s)
- SCM_ASSERT_TYPE (s, gh_car (args), SCM_ARGn, __FUNCTION__, "Stencil");
+ SCM_ASSERT_TYPE (s, scm_car (args), SCM_ARGn, __FUNCTION__, "Stencil");
result.add_stencil (*s);
- args = gh_cdr (args);
+ args = scm_cdr (args);
}
return result.smobbed_copy ();
}
-LY_DEFINE (ly_make_stencil,
- "ly:make-stencil", 3, 0, 0, (SCM expr, SCM xext, SCM yext),
+LY_DEFINE (ly_make_stencil, "ly:make-stencil",
+ 3, 0, 0, (SCM expr, SCM xext, SCM yext),
" \n"
"Stencils are a device independent output expressions."
"They carry two pieces of information: \n\n"
SCM_ASSERT_TYPE (is_number_pair (xext), xext, SCM_ARG2, __FUNCTION__, "number pair");
SCM_ASSERT_TYPE (is_number_pair (yext), yext, SCM_ARG3, __FUNCTION__, "number pair");
- Box b (ly_scm2interval (xext), ly_scm2interval(yext));
+ Box b (ly_scm2interval (xext), ly_scm2interval (yext));
Stencil s (b, expr);
return s.smobbed_copy ();
}
-SCM
-fontify_atom (Font_metric const *met, SCM f)
-{
- if (f == SCM_EOL)
- return f;
- else
- return scm_list_n (ly_symbol2scm ("fontify"),
- ly_quote_scm (met->description_), f, SCM_UNDEFINED);
-}
-
-LY_DEFINE (ly_fontify_atom,"ly:fontify-atom", 2, 0, 0,
- (SCM met, SCM f),
- "Add a font selection command for the font metric @var{met} "
- "to @var{f}.")
-{
- SCM_ASSERT_TYPE(unsmob_metrics (met), met, SCM_ARG1, __FUNCTION__, "font metric");
-
- return fontify_atom (unsmob_metrics (met), f);
-}
-LY_DEFINE (ly_align_to_x, "ly:stencil-align-to!",
+LY_DEFINE (ly_stencil_align_to_x, "ly:stencil-align-to!",
3, 0, 0, (SCM stil, SCM axis, SCM dir),
"Align @var{stil} using its own extents. "
"@var{dir} is a number -1, 1 are left and right respectively. "
{
SCM_ASSERT_TYPE (unsmob_stencil (stil), stil, SCM_ARG1, __FUNCTION__, "stencil");
SCM_ASSERT_TYPE (is_axis (axis), axis, SCM_ARG2, __FUNCTION__, "axis");
- SCM_ASSERT_TYPE (gh_number_p (dir), dir, SCM_ARG3, __FUNCTION__, "number");
+ SCM_ASSERT_TYPE (scm_is_number (dir), dir, SCM_ARG3, __FUNCTION__, "number");
- unsmob_stencil (stil)->align_to ((Axis)gh_scm2int (axis),
- gh_scm2double (dir));
- return SCM_UNDEFINED;
+ unsmob_stencil (stil)->align_to ((Axis)scm_to_int (axis),
+ scm_to_double (dir));
+ return stil;
}
projects / lilypond.git / blobdiff