/*
- stencil-scheme.cc -- implement Stencil
+ stencil-scheme.cc -- implement Stencil scheme accessors
source file of the GNU LilyPond music typesetter
(c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "stencil.hh"
#include "font-metric.hh"
+#include "stencil.hh"
-LY_DEFINE(ly_stencil_set_extent_x,"ly:stencil-set-extent!", 3 , 0, 0,
- (SCM mol, SCM axis, SCM np),
- "Set the extent (@var{extent} must be a pair of numbers) of @var{mol} in \n"
- "@var{axis} direction (0 or 1 for x- and y-axis respectively).\n"
- )
+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) "
+ "in @var{axis} direction (0 or 1 for x- and y-axis respectively).")
{
- Stencil* m = unsmob_stencil (mol);
- SCM_ASSERT_TYPE (m, mol, SCM_ARG1, __FUNCTION__, "stencil");
+ 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");
Interval iv = ly_scm2interval (np);
- m->dim_[Axis (gh_scm2int (axis))] = iv;
+ s->dim_[Axis (gh_scm2int (axis))] = iv;
return SCM_UNDEFINED;
}
-
-LY_DEFINE(ly_translate_stencil_axis,"ly:stencil-translate-axis", 3, 0, 0,
- (SCM mol, SCM amount, SCM axis),
- "Return a @var{mol}, but translated by @var{amount} in @var{axis} direction")
+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.")
{
- Stencil* m = unsmob_stencil (mol);
- SCM_ASSERT_TYPE (m, mol, SCM_ARG1, __FUNCTION__, "stencil");
+ 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 (is_axis (axis), axis, SCM_ARG3, __FUNCTION__, "axis");
-
- Stencil q (*m);
+ Stencil q (*s);
q.translate_axis (gh_scm2double (amount), Axis (gh_scm2int (axis)));
return q.smobbed_copy();
}
-LY_DEFINE(ly_translate_stencil,"ly:stencil-translate", 2, 0, 0,
- (SCM mol, SCM offset),
- "Return a @var{mol}, but translated by @var{offset} (a pair of numbers).")
+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).")
{
- Stencil* m = unsmob_stencil (mol);
- SCM_ASSERT_TYPE (m, mol, SCM_ARG1, __FUNCTION__, "stencil");
+ Stencil *s = unsmob_stencil (stil);
+ SCM_ASSERT_TYPE (s, stil, SCM_ARG1, __FUNCTION__, "stencil");
SCM_ASSERT_TYPE (is_number_pair (offset), offset, SCM_ARG2, __FUNCTION__, "number pair");
Offset o = ly_scm2offset (offset);
- Stencil q (*m);
+ Stencil q (*s);
q.translate (o);
return q.smobbed_copy();
}
-LY_DEFINE(ly_stencil_get_extent,
- "ly:stencil-get-extent", 2 , 0, 0, (SCM mol, SCM axis),
- "Return a pair of numbers signifying the extent of @var{mol} in "
-"@var{axis} direction (0 or 1 for x and y axis respectively)."
-)
+LY_DEFINE (ly_stencil_get_expr,
+ "ly:stencil-get-expr", 1 , 0, 0, (SCM stil),
+ "Return the expression of @var{stil}.")
{
- Stencil *m = unsmob_stencil (mol);
- SCM_ASSERT_TYPE (m, mol, SCM_ARG1, __FUNCTION__, "stencil");
+ Stencil *s = unsmob_stencil (stil);
+ SCM_ASSERT_TYPE (s, stil, SCM_ARG1, __FUNCTION__, "stencil");
+ return s->get_expr ();
+}
+
+LY_DEFINE (ly_stencil_get_extent,
+ "ly:stencil-get-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).")
+{
+ 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 ly_interval2scm (m->extent (Axis (gh_scm2int (axis))));
+ return ly_interval2scm (s->extent (Axis (gh_scm2int (axis))));
}
-
-LY_DEFINE(ly_stencil_combined_at_edge,
- "ly:stencil-combine-at-edge",
- 4, 2, 0, (SCM first, SCM axis, SCM direction,
- SCM second,
- SCM padding,
- SCM minimum),
- "Construct a stencil by putting @var{second} next to "
-"@var{first}. @var{axis} can be 0 (x-axis) or 1 (y-axis), @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.")
-
+LY_DEFINE (ly_stencil_combined_at_edge,
+ "ly:stencil-combine-at-edge",
+ 4, 2, 0, (SCM first, SCM axis, SCM direction,
+ SCM second,
+ SCM padding,
+ SCM minimum),
+ "Construct a stencil by putting @var{second} next to @var{first}. "
+ "@var{axis} can be 0 (x-axis) or 1 (y-axis), "
+ "@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.")
{
- Stencil * m1 = unsmob_stencil (first);
- Stencil * m2 = unsmob_stencil (second);
+ 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 (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(gh_number_p (padding), padding, SCM_ARG5, __FUNCTION__, "number");
p = gh_scm2double (padding);
}
- Real m =0.0;
+ Real m = 0.0;
if (minimum != SCM_UNDEFINED)
{
SCM_ASSERT_TYPE(gh_number_p (minimum), minimum, SCM_ARG6, __FUNCTION__, "number");
m = gh_scm2double (minimum);
}
- if (m1)
- result = *m1;
- if (m2)
- result.add_at_edge (Axis (gh_scm2int (axis)), Direction (gh_scm2int (direction)),
- *m2, p, m);
+ if (s1)
+ result = *s1;
+ if (s2)
+ result.add_at_edge (Axis (gh_scm2int (axis)),
+ Direction (gh_scm2int (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),
- "Combine stencils. Takes any number of arguments."
- )
+/* FIXME: support variable number of arguments. */
+LY_DEFINE (ly_stencil_add ,
+ "ly:stencil-add", 0, 0, 1, (SCM args),
+ "Combine stencils. Takes any number of arguments.")
{
#define FUNC_NAME __FUNCTION__
SCM_VALIDATE_REST_ARGUMENT (args);
while (!SCM_NULLP (args))
{
- Stencil * m = unsmob_stencil (gh_car (args));
-
- if (!m)
- SCM_ASSERT_TYPE(m, gh_car (args), SCM_ARGn, __FUNCTION__,
- "Stencil");
-
- result.add_stencil (*m);
+ Stencil *s = unsmob_stencil (gh_car (args));
+ if (!s)
+ SCM_ASSERT_TYPE (s, gh_car (args), SCM_ARGn, __FUNCTION__, "Stencil");
+ result.add_stencil (*s);
args = gh_cdr (args);
}
return result.smobbed_copy ();
}
-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"
- "1: a specification of how to print this object. "
- "This specification is processed by the output backends, for example "
- "@file{scm/output-tex.scm}.\n\n"
- "2: the vertical and horizontal extents of the object.\n\n"
-
- )
+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"
+ "1: a specification of how to print this object. "
+ "This specification is processed by the output backends, "
+ " for example @file{scm/output-tex.scm}.\n\n"
+ "2: the vertical and horizontal extents of the object.\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));
- Stencil m (b, expr);
- return m.smobbed_copy ();
+ Stencil s (b, expr);
+ return s.smobbed_copy ();
}
-
SCM
-fontify_atom (Font_metric const * met, SCM f)
+fontify_atom (Font_metric const *met, SCM f)
{
if (f == SCM_EOL)
return f;
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}.")
+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!", 3, 0, 0, (SCM mol, SCM axis, SCM dir),
- "Align @var{mol} using its own extents. @var{dir} is a number -1, 1 are "
- " left and right respectively. Other values are interpolated (so 0 means "
- " the center. ")
+LY_DEFINE (ly_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. "
+ "Other values are interpolated (so 0 means the center. ")
{
- SCM_ASSERT_TYPE(unsmob_stencil (mol), mol, 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 (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");
- unsmob_stencil (mol)->align_to ((Axis)gh_scm2int (axis),
+ unsmob_stencil (stil)->align_to ((Axis)gh_scm2int (axis),
gh_scm2double (dir));
return SCM_UNDEFINED;
projects / lilypond.git / blobdiff