* | |
* | |
* |<-------------------------->|
- * Box extent(X_AXIS)
+ * Box extent (X_AXIS)
*/
Stencil
Lookup::round_filled_box (Box b, Real blotdiameter)
* touch each other will in general not work as expected for non-null
* blotdiameter.
*
- * (c) Given a polygon ((x0, y0), (x1, y1), ... , (x(n-1), y(n-1))),
+ * (c) Given a polygon ((x0, y0), (x1, y1), ... , (x (n-1), y (n-1))),
* if there is a natural number k such that blotdiameter is greater
- * than the maximum of { | (x(k mod n), y(k mod n)) - (x((k+1) mod n),
- * y((k+1) mod n)) |, | (x(k mod n), y(k mod n)) - (x((k+2) mod n),
- * y((k+2) mod n)) |, | (x((k+1) mod n), y((k+1) mod n)) - (x((k+2)
- * mod n), y((k+2) mod n)) | }, then the outline of the rounded
+ * than the maximum of { | (x (k mod n), y (k mod n)) - (x ((k+1) mod n),
+ * y ((k+1) mod n)) |, | (x (k mod n), y (k mod n)) - (x ((k+2) mod n),
+ * y ((k+2) mod n)) |, | (x ((k+1) mod n), y ((k+1) mod n)) - (x ((k+2)
+ * mod n), y ((k+2) mod n)) | }, then the outline of the rounded
* polygon will exceed the outline of the core polygon. In other
* words: Do not draw rounded polygons that have a leg smaller or
* thinner than blotdiameter (or set blotdiameter to a sufficiently
* to a core filled polygon. For details of these two different
* approaches, see the thread upon the ledger lines patch that started
* on March 25, 2002 on the devel mailing list. The below version of
- * round_filled_polygon() sticks to the moulding model, which the
+ * round_filled_polygon () sticks to the moulding model, which the
* majority of the list participants finally voted for. This,
* however, results in the above limitations and a much increased
* complexity of the algorithm, since it has to compute a shrinked
Offset p13n = 0.5 * (p10n + p12n);
Offset p14n = 0.5 * (p10n - p12n);
Offset p13;
- Real d = p13n.length () * p14n.length (); // distance p3n to line(p1..p0)
+ Real d = p13n.length () * p14n.length (); // distance p3n to line (p1..p0)
if (d < epsilon)
// special case: p0, p1, p2 are on a single line => build
// vector orthogonal to (p2-p0) of length 0.5 blotdiameter
ly_quote_scm (list),
gh_double2scm (linethick),
SCM_UNDEFINED));
- Box b(curve.extent (X_AXIS),
+ Box b (curve.extent (X_AXIS),
curve.extent (Y_AXIS));
b[X_AXIS].unite (back.extent (X_AXIS));
SCM slashnodot = scm_list_n (ly_symbol2scm ("repeat-slash"),
wid, sl, thick, SCM_UNDEFINED);
- Box b (Interval (0, w + sqrt (sqr(t/s) + sqr (t))),
+ Box b (Interval (0, w + sqrt (sqr (t/s) + sqr (t))),
Interval (0, w * s));
return Stencil (b, slashnodot); // http://slashnodot.org
Lookup::bracket (Axis a, Interval iv, Real thick, Real protude, Real blot)
{
Box b;
- Axis other = Axis((a+1)%2);
+ Axis other = Axis ((a+1)%2);
b[a] = iv;
- b[other] = Interval(-1, 1) * thick * 0.5;
+ b[other] = Interval (-1, 1) * thick * 0.5;
Stencil m = round_filled_box (b, blot);
SCM s = scm_list_n (ly_symbol2scm ("symmetric-x-triangle"),
gh_double2scm (thick),
- gh_double2scm (iv.length()),
+ gh_double2scm (iv.length ()),
gh_double2scm (protude), SCM_UNDEFINED);
return Stencil (b, s);
}
-/*
- TODO: use rounded boxes.
- */
-LY_DEFINE(ly_bracket ,"ly:bracket",
+LY_DEFINE (ly_bracket ,"ly:bracket",
4, 0, 0,
(SCM a, SCM iv, SCM t, SCM p),
"Make a bracket in direction @var{a}. The extent of the bracket is "
"given by @var{iv}. The wings protude by an amount of @var{p}, which "
"may be negative. The thickness is given by @var{t}.")
{
- SCM_ASSERT_TYPE(is_axis (a), a, SCM_ARG1, __FUNCTION__, "axis") ;
- SCM_ASSERT_TYPE(is_number_pair (iv), iv, SCM_ARG2, __FUNCTION__, "number pair") ;
- SCM_ASSERT_TYPE(gh_number_p (t), a, SCM_ARG3, __FUNCTION__, "number") ;
- SCM_ASSERT_TYPE(gh_number_p (p), a, SCM_ARG4, __FUNCTION__, "number") ;
+ SCM_ASSERT_TYPE (is_axis (a), a, SCM_ARG1, __FUNCTION__, "axis") ;
+ SCM_ASSERT_TYPE (is_number_pair (iv), iv, SCM_ARG2, __FUNCTION__, "number pair") ;
+ SCM_ASSERT_TYPE (gh_number_p (t), a, SCM_ARG3, __FUNCTION__, "number") ;
+ SCM_ASSERT_TYPE (gh_number_p (p), a, SCM_ARG4, __FUNCTION__, "number") ;
return Lookup::bracket ((Axis)gh_scm2int (a), ly_scm2interval (iv),
gh_scm2double (t),
gh_scm2double (p),
- gh_scm2double (t)).smobbed_copy ();
+ 0.95 * gh_scm2double (t)).smobbed_copy ();
}
-LY_DEFINE(ly_filled_box ,"ly:round-filled-box",
+LY_DEFINE (ly_filled_box ,"ly:round-filled-box",
3, 0, 0,
(SCM xext, SCM yext, SCM blot),
- "Make a filled-box of dimensions @var{xext}, @var{yext} and roundness @var{blot}.")
+ "Make a @code{Stencil} "
+ "that prints a black box of dimensions @var{xext}, "
+ "@var{yext} and roundness @var{blot}."
+ )
{
- SCM_ASSERT_TYPE(is_number_pair (xext), xext, SCM_ARG1, __FUNCTION__, "number pair") ;
- SCM_ASSERT_TYPE(is_number_pair (yext), yext, SCM_ARG2, __FUNCTION__, "number pair") ;
- SCM_ASSERT_TYPE(gh_number_p (blot), blot, SCM_ARG3, __FUNCTION__, "number") ;
+ SCM_ASSERT_TYPE (is_number_pair (xext), xext, SCM_ARG1, __FUNCTION__, "number pair") ;
+ SCM_ASSERT_TYPE (is_number_pair (yext), yext, SCM_ARG2, __FUNCTION__, "number pair") ;
+ SCM_ASSERT_TYPE (gh_number_p (blot), blot, SCM_ARG3, __FUNCTION__, "number") ;
return Lookup::round_filled_box (Box (ly_scm2interval (xext), ly_scm2interval (yext)),
gh_scm2double (blot)).smobbed_copy ();
projects / lilypond.git / blobdiff