source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
*/
+
+#include "lookup.hh"
+
#include <math.h>
-#include <ctype.h>
+#include <cctype>
#include "line-interface.hh"
#include "warn.hh"
#include "file-path.hh"
#include "main.hh"
#include "lily-guile.hh"
-#include "stencil.hh"
-#include "lookup.hh"
#include "font-metric.hh"
-#include "interval.hh"
Stencil
Lookup::dot (Offset p, Real radius)
return Stencil (box, at);
}
-
-
/*
* Horizontal Slope:
*
* / | v
* | /
* | /
- * (0,0) x /slope=dy/dx
+ * (0, 0)x /slope = dy/dx
* | /
* |/
*
* <----->
* width
*/
-Stencil
-Lookup::beam (Real slope, Real width, Real thick, Real blot)
+Stencil
+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;
+ 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"),
- scm_make_real (width),
- scm_make_real (slope),
- scm_make_real (thick),
- scm_make_real (blot),
- SCM_UNDEFINED);
+ scm_make_real (width),
+ scm_make_real (slope),
+ scm_make_real (thick),
+ scm_make_real (blot),
+ SCM_UNDEFINED);
return Stencil (b, at);
}
Stencil
-Lookup::dashed_slur (Bezier b, Real thick, Real dash)
+Lookup::dashed_slur (Bezier b, Real thick, Real dash_period, Real dash_fraction)
{
SCM l = SCM_EOL;
- for (int i= 4; i -- ;)
+ Real on = dash_fraction * dash_period;
+ Real off = dash_period - on;
+
+ for (int i = 4; i--;)
{
l = scm_cons (ly_offset2scm (b.control_[i]), l);
}
SCM at = (scm_list_n (ly_symbol2scm ("dashed-slur"),
- scm_make_real (thick),
- scm_make_real (dash),
- ly_quote_scm (l),
- SCM_UNDEFINED));
+ scm_make_real (thick),
+ scm_make_real (on),
+ scm_make_real (off),
+ ly_quote_scm (l),
+ SCM_UNDEFINED));
- Box box (Interval (0,0),Interval (0,0));
- return Stencil (box, at);
+ Box box (Interval (0, 0), Interval (0, 0));
+ return Stencil (box, at);
}
-
-
Stencil
Lookup::horizontal_line (Interval w, Real th)
{
SCM at = scm_list_n (ly_symbol2scm ("horizontal-line"),
- scm_make_real (w[LEFT]),
+ scm_make_real (w[LEFT]),
scm_make_real (w[RIGHT]),
scm_make_real (th),
SCM_UNDEFINED);
-
- Box box ;
+ Box box;
box[X_AXIS] = w;
- box[Y_AXIS] = Interval (-th/2,th/2);
+ box[Y_AXIS] = Interval (-th / 2, th / 2);
return Stencil (box, at);
}
-
Stencil
-Lookup::blank (Box b)
+Lookup::blank (Box b)
{
return Stencil (b, scm_makfrom0str (""));
}
Stencil
-Lookup::filled_box (Box b)
+Lookup::filled_box (Box b)
{
- SCM at = (scm_list_n (ly_symbol2scm ("filledbox"),
- scm_make_real (-b[X_AXIS][LEFT]),
- scm_make_real (b[X_AXIS][RIGHT]),
- scm_make_real (-b[Y_AXIS][DOWN]),
- scm_make_real (b[Y_AXIS][UP]),
- SCM_UNDEFINED));
-
- return Stencil (b,at);
+ SCM at = (scm_list_n (ly_symbol2scm ("filledbox"),
+ scm_make_real (-b[X_AXIS][LEFT]),
+ scm_make_real (b[X_AXIS][RIGHT]),
+ scm_make_real (-b[Y_AXIS][DOWN]),
+ scm_make_real (b[Y_AXIS][UP]),
+ SCM_UNDEFINED));
+
+ return Stencil (b, at);
}
/*
* | | | | |
* | | |
* x\_____/______________\_____/|_____v
- * |(0,0) |
+ * |(0, 0) |
* | |
* | |
* |<-------------------------->|
scm_make_real (blotdiameter),
SCM_UNDEFINED));
- return Stencil (b,at);
+ return Stencil (b, at);
}
-
-
/*
* Create Stencil that represents a filled polygon with round edges.
*
return polygon;
}
-
/*
TODO: deprecate?
- */
+*/
Stencil
Lookup::frame (Box b, Real thick, Real blot)
{
Direction d = LEFT;
for (Axis a = X_AXIS; a < NO_AXES; a = Axis (a + 1))
{
- Axis o = Axis ((a+1)%NO_AXES);
+ Axis o = Axis ((a + 1)%NO_AXES);
do
{
Box edges;
edges[a] = b[a][d] + 0.5 * thick * Interval (-1, 1);
- edges[o][DOWN] = b[o][DOWN] - thick/2;
- edges[o][UP] = b[o][UP] + thick/2;
-
+ edges[o][DOWN] = b[o][DOWN] - thick / 2;
+ edges[o][UP] = b[o][UP] + thick / 2;
+
m.add_stencil (round_filled_box (edges, blot));
}
while (flip (&d) != LEFT);
}
/*
- Make a smooth curve along the points
- */
+ Make a smooth curve along the points
+*/
Stencil
-Lookup::slur (Bezier curve, Real curvethick, Real linethick)
+Lookup::slur (Bezier curve, Real curvethick, Real linethick)
{
Real alpha = (curve.control_[3] - curve.control_[0]).arg ();
Bezier back = curve;
- Offset perp = curvethick * complex_exp (Offset (0, alpha + M_PI/2)) * 0.5;
+ Offset perp = curvethick * complex_exp (Offset (0, alpha + M_PI / 2)) * 0.5;
back.reverse ();
back.control_[1] += perp;
back.control_[2] += perp;
curve.control_[1] -= perp;
curve.control_[2] -= perp;
-
+
SCM scontrols[8];
- for (int i=4; i--;)
+ for (int i = 4; i--;)
scontrols[ i ] = ly_offset2scm (back.control_[i]);
- for (int i=4 ; i--;)
- scontrols[i+4] = ly_offset2scm (curve.control_[i]);
+ for (int i = 4; i--;)
+ scontrols[i + 4] = ly_offset2scm (curve.control_[i]);
/*
- Need the weird order b.o. the way PS want its arguments
- */
- int indices[]= {5, 6, 7, 4, 1, 2, 3, 0};
+ Need the weird order b.o. the way PS want its arguments
+ */
+ int indices[] = {5, 6, 7, 4, 1, 2, 3, 0};
SCM list = SCM_EOL;
- for (int i= 8; i--;)
+ for (int i = 8; i--;)
{
list = scm_cons (scontrols[indices[i]], list);
}
-
-
+
SCM at = (scm_list_n (ly_symbol2scm ("bezier-sandwich"),
- ly_quote_scm (list),
- scm_make_real (linethick),
- SCM_UNDEFINED));
+ ly_quote_scm (list),
+ scm_make_real (linethick),
+ SCM_UNDEFINED));
Box b (curve.extent (X_AXIS),
- curve.extent (Y_AXIS));
+ curve.extent (Y_AXIS));
b[X_AXIS].unite (back.extent (X_AXIS));
b[Y_AXIS].unite (back.extent (Y_AXIS));
Lookup::bezier_sandwich (Bezier top_curve, Bezier bottom_curve)
{
/*
- Need the weird order b.o. the way PS want its arguments
- */
+ Need the weird order b.o. the way PS want its arguments
+ */
SCM list = SCM_EOL;
list = scm_cons (ly_offset2scm (bottom_curve.control_[3]), list);
list = scm_cons (ly_offset2scm (bottom_curve.control_[0]), list);
/*
TODO: junk me.
- */
+*/
Stencil
-Lookup::accordion (SCM s, Real staff_space, Font_metric *fm)
+Lookup::accordion (SCM s, Real staff_space, Font_metric *fm)
{
Stencil m;
String sym = ly_scm2string (scm_car (s));
if (sym == "Discant")
{
- Stencil r = fm->find_by_name ("accordion-accDiscant");
+ Stencil r = fm->find_by_name ("accordion.accDiscant");
m.add_stencil (r);
if (reg.left_string (1) == "F")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 2.5 PT, Y_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-1);
+ reg = reg.right_string (reg.length () - 1);
}
int eflag = 0x00;
if (reg.left_string (3) == "EEE")
{
eflag = 0x07;
- reg = reg.right_string (reg.length ()-3);
+ reg = reg.right_string (reg.length () - 3);
}
else if (reg.left_string (2) == "EE")
{
eflag = 0x05;
- reg = reg.right_string (reg.length ()-2);
+ reg = reg.right_string (reg.length () - 2);
}
else if (reg.left_string (2) == "Eh")
{
eflag = 0x04;
- reg = reg.right_string (reg.length ()-2);
+ reg = reg.right_string (reg.length () - 2);
}
else if (reg.left_string (1) == "E")
{
eflag = 0x02;
- reg = reg.right_string (reg.length ()-1);
+ reg = reg.right_string (reg.length () - 1);
}
if (eflag & 0x02)
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 1.5 PT, Y_AXIS);
m.add_stencil (d);
}
if (eflag & 0x04)
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 1.5 PT, Y_AXIS);
d.translate_axis (0.8 * staff_space PT, X_AXIS);
m.add_stencil (d);
}
if (eflag & 0x01)
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 1.5 PT, Y_AXIS);
d.translate_axis (-0.8 * staff_space PT, X_AXIS);
m.add_stencil (d);
}
if (reg.left_string (2) == "SS")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (0.5 * staff_space PT, Y_AXIS);
d.translate_axis (0.4 * staff_space PT, X_AXIS);
m.add_stencil (d);
d.translate_axis (-0.8 * staff_space PT, X_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-2);
+ reg = reg.right_string (reg.length () - 2);
}
if (reg.left_string (1) == "S")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (0.5 * staff_space PT, Y_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-1);
+ reg = reg.right_string (reg.length () - 1);
}
}
else if (sym == "Freebase")
{
- Stencil r = fm->find_by_name ("accordion-accFreebase");
+ Stencil r = fm->find_by_name ("accordion.accFreebase");
m.add_stencil (r);
if (reg.left_string (1) == "F")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 1.5 PT, Y_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-1);
+ reg = reg.right_string (reg.length () - 1);
}
if (reg == "E")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 0.5 PT, Y_AXIS);
m.add_stencil (d);
}
}
else if (sym == "Bayanbase")
{
- Stencil r = fm->find_by_name ("accordion-accBayanbase");
+ Stencil r = fm->find_by_name ("accordion.accBayanbase");
m.add_stencil (r);
if (reg.left_string (1) == "T")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 2.5 PT, Y_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-1);
+ reg = reg.right_string (reg.length () - 1);
}
/* include 4' reed just for completeness. You don't want to use this. */
if (reg.left_string (1) == "F")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 1.5 PT, Y_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-1);
+ reg = reg.right_string (reg.length () - 1);
}
if (reg.left_string (2) == "EE")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 0.5 PT, Y_AXIS);
d.translate_axis (0.4 * staff_space PT, X_AXIS);
m.add_stencil (d);
d.translate_axis (-0.8 * staff_space PT, X_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-2);
+ reg = reg.right_string (reg.length () - 2);
}
if (reg.left_string (1) == "E")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 0.5 PT, Y_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-1);
+ reg = reg.right_string (reg.length () - 1);
}
}
else if (sym == "Stdbase")
{
- Stencil r = fm->find_by_name ("accordion-accStdbase");
+ Stencil r = fm->find_by_name ("accordion.accStdbase");
m.add_stencil (r);
if (reg.left_string (1) == "T")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 3.5 PT, Y_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-1);
+ reg = reg.right_string (reg.length () - 1);
}
if (reg.left_string (1) == "F")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 2.5 PT, Y_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-1);
+ reg = reg.right_string (reg.length () - 1);
}
if (reg.left_string (1) == "M")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 2 PT, Y_AXIS);
d.translate_axis (staff_space PT, X_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-1);
+ reg = reg.right_string (reg.length () - 1);
}
if (reg.left_string (1) == "E")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 1.5 PT, Y_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-1);
+ reg = reg.right_string (reg.length () - 1);
}
if (reg.left_string (1) == "S")
{
- Stencil d = fm->find_by_name ("accordion-accDot");
+ Stencil d = fm->find_by_name ("accordion.accDot");
d.translate_axis (staff_space * 0.5 PT, Y_AXIS);
m.add_stencil (d);
- reg = reg.right_string (reg.length ()-1);
+ reg = reg.right_string (reg.length () - 1);
}
}
/* ugh maybe try to use regular font for S.B. and B.B and only use one font
for the rectangle */
else if (sym == "SB")
{
- Stencil r = fm->find_by_name ("accordion-accSB");
+ Stencil r = fm->find_by_name ("accordion.accSB");
m.add_stencil (r);
}
else if (sym == "BB")
{
- Stencil r = fm->find_by_name ("accordion-accBB");
+ Stencil r = fm->find_by_name ("accordion.accBB");
m.add_stencil (r);
}
else if (sym == "OldEE")
{
- Stencil r = fm->find_by_name ("accordion-accOldEE");
+ Stencil r = fm->find_by_name ("accordion.accOldEE");
m.add_stencil (r);
}
else if (sym == "OldEES")
{
- Stencil r = fm->find_by_name ("accordion-accOldEES");
+ Stencil r = fm->find_by_name ("accordion.accOldEES");
m.add_stencil (r);
}
- return m;
+ return m;
}
Stencil
SCM sl = scm_make_real (s);
SCM thick = scm_make_real (t);
SCM slashnodot = scm_list_n (ly_symbol2scm ("repeat-slash"),
- wid, sl, thick, SCM_UNDEFINED);
+ 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
}
-
Stencil
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;
-
+
Stencil m = round_filled_box (b, blot);
b[a] = Interval (iv[UP] - thick, iv[UP]);
- Interval oi = Interval (-thick/2, thick/2 + fabs (protude));
+ Interval oi = Interval (-thick / 2, thick / 2 + fabs (protude));
oi *= sign (protude);
b[other] = oi;
m.add_stencil (round_filled_box (b, blot));
b[a] = Interval (iv[DOWN], iv[DOWN] + thick);
- m.add_stencil (round_filled_box (b,blot));
+ m.add_stencil (round_filled_box (b, blot));
return m;
}
Stencil
Lookup::triangle (Interval iv, Real thick, Real protude)
{
- Box b ;
- b[X_AXIS] = Interval (0, iv.length());
- b[Y_AXIS] = Interval (0 <? protude , 0 >? protude);
-
+ Box b;
+ b[X_AXIS] = Interval (0, iv.length ());
+ b[Y_AXIS] = Interval (0 <? protude, 0 >? protude);
- Offset z1(iv[LEFT], 0);
- Offset z2(iv[RIGHT], 0);
- Offset z3((z1 + z2)[X_AXIS]/2, protude);
+ Offset z1 (iv[LEFT], 0);
+ Offset z2 (iv[RIGHT], 0);
+ Offset z3 ((z1 + z2)[X_AXIS] / 2, protude);
/*
TODO: move Triangle to Line_interface ?
- */
+ */
Stencil tri = Line_interface::make_line (thick, z1, z2);
tri.add_stencil (Line_interface::make_line (thick, z2, z3));
tri.add_stencil (Line_interface::make_line (thick, z3, z1));
return tri;
}
-
-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 (scm_is_number (t), a, SCM_ARG3, __FUNCTION__, "number") ;
- SCM_ASSERT_TYPE (scm_is_number (p), a, SCM_ARG4, __FUNCTION__, "number") ;
-
-
- return Lookup::bracket ((Axis)scm_to_int (a), ly_scm2interval (iv),
- scm_to_double (t),
- scm_to_double (p),
- 0.95 * scm_to_double (t)).smobbed_copy ();
-}
-
-
-
-LY_DEFINE (ly_filled_box ,"ly:round-filled-box",
- 3, 0, 0,
- (SCM xext, SCM yext, SCM 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 (scm_is_number (blot), blot, SCM_ARG3, __FUNCTION__, "number") ;
-
- return Lookup::round_filled_box (Box (ly_scm2interval (xext), ly_scm2interval (yext)),
- scm_to_double (blot)).smobbed_copy ();
-}
-