source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
-
- TODO
- Glissando
*/
#include <math.h>
#include <ctype.h>
+#include "line-interface.hh"
#include "warn.hh"
#include "dimensions.hh"
#include "bezier.hh"
return Molecule (box, at);
}
+
+
+/*
+ * Horizontal Slope:
+ *
+ * /| ^
+ * / | |
+ * / | | height
+ * / | |
+ * / | v
+ * | /
+ * | /
+ * (0,0) x /slope=dy/dx
+ * | /
+ * |/
+ *
+ * <----->
+ * width
+ */
Molecule
-Lookup::beam (Real slope, Real width, Real thick)
+Lookup::beam (Real slope, Real width, Real thick, Real blot)
{
Real height = slope * width;
Real min_y = (0 <? height) - thick/2;
Real max_y = (0 >? height) + thick/2;
-
-
Box b (Interval (0, width),
Interval (min_y, max_y));
-
SCM at = scm_list_n (ly_symbol2scm ("beam"),
gh_double2scm (width),
gh_double2scm (slope),
gh_double2scm (thick),
+ gh_double2scm (blot),
SCM_UNDEFINED);
return Molecule (b, at);
}
return Molecule (box, at);
}
+
+
Molecule
-Lookup::line (Real th, Offset f, Offset t)
+Lookup::horizontal_line (Interval w, Real th)
{
- SCM at = (scm_list_n (ly_symbol2scm ("draw-line"),
- gh_double2scm (th),
- gh_double2scm (f[X_AXIS]),
- gh_double2scm (f[Y_AXIS]),
- gh_double2scm (t[X_AXIS]),
- gh_double2scm (t[Y_AXIS]),
- SCM_UNDEFINED));
+ SCM at = scm_list_n (ly_symbol2scm ("horizontal-line"),
+ gh_double2scm (w[LEFT]),
+ gh_double2scm (w[RIGHT]),
+ gh_double2scm (th),
+ SCM_UNDEFINED);
- Box box;
- box.add_point (f);
- box.add_point (t);
- box[X_AXIS].widen (th/2);
- box[Y_AXIS].widen (th/2);
+ Box box ;
+ box[X_AXIS] = w;
+ box[Y_AXIS] = Interval (-th/2,th/2);
return Molecule (box, at);
}
Molecule
Lookup::blank (Box b)
{
- return Molecule (b, SCM_EOL);
+ return Molecule (b, scm_makfrom0str (""));
}
Molecule
-Lookup::filledbox (Box b)
+Lookup::filled_box (Box b)
{
SCM at = (scm_list_n (ly_symbol2scm ("filledbox"),
gh_double2scm (-b[X_AXIS][LEFT]),
* Box extent(X_AXIS)
*/
Molecule
-Lookup::roundfilledbox (Box b, Real blotdiameter)
+Lookup::round_filled_box (Box b, Real blotdiameter)
{
if (b.x ().length () < blotdiameter)
{
blotdiameter = b.y ().length ();
}
- SCM at = (scm_list_n (ly_symbol2scm ("roundfilledbox"),
+ SCM at = (scm_list_n (ly_symbol2scm ("round-filled-box"),
gh_double2scm (-b[X_AXIS][LEFT]),
gh_double2scm (b[X_AXIS][RIGHT]),
gh_double2scm (-b[Y_AXIS][DOWN]),
return Molecule (b,at);
}
+
+
/*
* Create Molecule that represents a filled polygon with round edges.
*
if (points.size () == 1)
return dot (points[0], 0.5 * blotdiameter);
if (points.size () == 2)
- return line (blotdiameter, points[0], points[1]);
+ return Line_interface::make_line (blotdiameter, points[0], points[1]);
/* shrink polygon in size by 0.5 * blotdiameter */
Array<Offset> shrinked_points;
box.add_point (points[i]);
}
SCM polygon_scm = scm_list_n (ly_symbol2scm ("polygon"),
- ly_quote_scm (ly_quote_scm (shrinked_points_scm)),
+ ly_quote_scm (shrinked_points_scm),
gh_double2scm (blotdiameter),
SCM_UNDEFINED);
return polygon;
}
+
+/*
+ TODO: deprecate?
+ */
Molecule
-Lookup::frame (Box b, Real thick)
+Lookup::frame (Box b, Real thick, Real blot)
{
Molecule m;
Direction d = LEFT;
edges[o][DOWN] = b[o][DOWN] - thick/2;
edges[o][UP] = b[o][UP] + thick/2;
- m.add_molecule (filledbox (edges));
+ m.add_molecule (round_filled_box (edges, blot));
}
while (flip (&d) != LEFT);
}
return m;
-
}
/*
}
- SCM at = (scm_list_n (ly_symbol2scm ("bezier-bow"),
+ SCM at = (scm_list_n (ly_symbol2scm ("bezier-sandwich"),
ly_quote_scm (list),
gh_double2scm (linethick),
SCM_UNDEFINED));
return Molecule (b, horizontal_bend);
}
-/*
- * Horizontal Slope:
- *
- * /| ^
- * / | |
- * / | | height
- * / | |
- * / | v
- * | /
- * | /
- * (0,0) x /slope=dy/dx
- * | /
- * |/
- *
- * <----->
- * width
- */
-Molecule
-Lookup::horizontal_slope (Real width, Real slope, Real height)
-{
- SCM width_scm = gh_double2scm (width);
- SCM slope_scm = gh_double2scm (slope);
- SCM height_scm = gh_double2scm (height);
- SCM horizontal_slope = scm_list_n (ly_symbol2scm ("beam"),
- width_scm, slope_scm,
- height_scm, SCM_UNDEFINED);
- Box b (Interval (0, width),
- Interval (-height/2, height/2 + width*slope));
- return Molecule (b, horizontal_slope);
-}
-
/*
TODO: junk me.
*/
return Molecule (b, slashnodot); // http://slashnodot.org
}
+
Molecule
-Lookup::bracket (Axis a, Interval iv, Real thick, Real protude)
+Lookup::bracket (Axis a, Interval iv, Real thick, Real protude, Real blot)
{
Box b;
Axis other = Axis((a+1)%2);
b[a] = iv;
b[other] = Interval(-1, 1) * thick * 0.5;
- Molecule m = filledbox (b);
+ Molecule m = round_filled_box (b, blot);
b[a] = Interval (iv[UP] - thick, iv[UP]);
Interval oi = Interval (-thick/2, thick/2 + fabs (protude)) ;
oi *= sign (protude);
b[other] = oi;
- m.add_molecule (filledbox (b));
+ m.add_molecule (round_filled_box (b, blot));
b[a] = Interval (iv[DOWN], iv[DOWN] +thick);
- m.add_molecule (filledbox(b));
+ m.add_molecule (round_filled_box (b,blot));
return m;
}
"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(ly_axis_p (a), a, SCM_ARG1, __FUNCTION__, "axis") ;
- SCM_ASSERT_TYPE(ly_number_pair_p (iv), iv, SCM_ARG2, __FUNCTION__, "number pair") ;
+ 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)).smobbed_copy ();
+ gh_scm2double (p),
+ gh_scm2double (t)).smobbed_copy ();
}
-
+
+
+
+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}.")
+{
+ 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