X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=lily%2Flookup.cc;h=0050002223848461c7adfed53f0f1ac5bf07cc6a;hb=78267de5d393565c7f24f0bb326a22cd017230ae;hp=9e8586ee2b2eafd0e7e3e80938233699fb9609dd;hpb=1ac137fdab1f1be8a5621599664008107b5a9a6a;p=lilypond.git diff --git a/lily/lookup.cc b/lily/lookup.cc index 9e8586ee2b..0050002223 100644 --- a/lily/lookup.cc +++ b/lily/lookup.cc @@ -3,690 +3,740 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2000 Han-Wen Nienhuys + (c) 1997--2007 Han-Wen Nienhuys Jan Nieuwenhuizen - - TODO - Glissando */ -#include -#include + #include "lookup.hh" -#include "debug.hh" -#include "dimensions.hh" +#include +#include +using namespace std; + +#include "line-interface.hh" +#include "warn.hh" +#include "dimensions.hh" #include "bezier.hh" -#include "paper-def.hh" #include "string-convert.hh" #include "file-path.hh" #include "main.hh" #include "lily-guile.hh" -#include "all-font-metrics.hh" -#include "afm.hh" -#include "scope.hh" -#include "molecule.hh" -#include "atom.hh" -#include "lily-guile.hh" +#include "font-metric.hh" - -Lookup::Lookup () +Stencil +Lookup::dot (Offset p, Real radius) { - afm_l_ = 0; + SCM at = (scm_list_n (ly_symbol2scm ("dot"), + scm_from_double (p[X_AXIS]), + scm_from_double (p[Y_AXIS]), + scm_from_double (radius), + SCM_UNDEFINED)); + Box box; + box.add_point (p - Offset (radius, radius)); + box.add_point (p + Offset (radius, radius)); + return Stencil (box, at); } -Lookup::Lookup (Lookup const& s) +Stencil +Lookup::beam (Real slope, Real width, Real thick, Real blot) { - font_name_ = s.font_name_; - afm_l_ = 0; -} + Box b; + Offset p; -/* - build a ledger line for small pieces. - */ -Molecule -Lookup::ledger_line (Interval xwid) const -{ - Drul_array endings; - endings[LEFT] = afm_find ("noteheads-ledgerending"); - Molecule * e = &endings[LEFT]; - endings[RIGHT] = *e; - - Real thick = e->dim_[Y_AXIS].length(); - Real len = e->dim_[X_AXIS].length () - thick; - - Molecule total; - Direction d = LEFT; - do { - endings[d].translate_axis (xwid[d] - endings[d].dim_[X_AXIS][d], X_AXIS); - total.add_molecule (endings[d]); - } while ((flip(&d)) != LEFT); + p = Offset (0, thick / 2); + b.add_point (p); + p += Offset (1, -1) * (blot / 2); - Real xpos = xwid [LEFT] + len; + SCM points = SCM_EOL; - while (xpos + len + thick /2 <= xwid[RIGHT]) - { - e->translate_axis (len, X_AXIS); - total.add_molecule (*e); - xpos += len; - } + points = scm_cons (scm_from_double (p[X_AXIS]), + scm_cons (scm_from_double (p[Y_AXIS]), + points)); - return total; -} + p = Offset (0, -thick / 2); + b.add_point (p); + p += Offset (1, 1) * (blot / 2); + points = scm_cons (scm_from_double (p[X_AXIS]), + scm_cons (scm_from_double (p[Y_AXIS]), + points)); -Molecule -Lookup::afm_find (String s, bool warn) const -{ - if (!afm_l_) - { - Lookup * me = (Lookup*)(this); - me->afm_l_ = all_fonts_global_p->find_afm (font_name_); - if (!me->afm_l_) - { - warning (_f ("Can't find font: `%s'", font_name_)); - warning (_f ("(search path `%s')", global_path.str ().ch_C())); - error (_ ("Aborting")); - } - } - AFM_CharMetricInfo const *cm = afm_l_->find_char_metric (s, warn); - Molecule m; - if (!cm) - { - m.set_empty (false); - return m; - } - - Atom* at = new Atom (gh_list (ly_symbol2scm ("char"), - gh_int2scm (cm->code), - SCM_UNDEFINED)); - - at->fontify (afm_l_); - m.dim_ = afm_bbox_to_box (cm->charBBox); - m.add_atom (at->self_scm_); - return m; -} + p = Offset (width, width * slope - thick / 2); + b.add_point (p); + p += Offset (-1, 1) * (blot / 2); -Molecule -Lookup::simple_bar (String type, Real h, Paper_def* paper_l) const -{ - SCM thick = ly_symbol2scm (("barthick_" + type).ch_C()); - Real w = 0.0; - - if (paper_l->scope_p_->elem_b (thick)) - { - w = paper_l->get_realvar (thick); - } - else - { - programming_error ("No bar thickness set ! "); - w = 1 PT; - } - return filledbox (Box (Interval(0,w), Interval(-h/2, h/2))); -} + points = scm_cons (scm_from_double (p[X_AXIS]), + scm_cons (scm_from_double (p[Y_AXIS]), + points)); - -Molecule -Lookup::bar (String str, Real h, Paper_def *paper_l) const -{ - if (str == "bracket") - return staff_bracket (h, paper_l); - else if (str == "brace") - { - Real staffht = paper_l->get_var ("staffheight"); - return staff_brace (h,staffht); - } - Real kern = paper_l->get_var ("bar_kern"); - Real thinkern = paper_l->get_var ("bar_thinkern"); + p = Offset (width, width * slope + thick / 2); + b.add_point (p); + p += Offset (-1, -1) * (blot / 2); - Molecule thin = simple_bar ("thin", h, paper_l); - Molecule thick = simple_bar ("thick", h, paper_l); - Molecule colon = afm_find ("dots-repeatcolon", paper_l); + points = scm_cons (scm_from_double (p[X_AXIS]), + scm_cons (scm_from_double (p[Y_AXIS]), + points)); - Molecule m; - - if (str == "") - { - return fill (Box (Interval(0, 0), Interval (-h/2, h/2))); - } - if (str == "scorepostbreak") - { - return simple_bar ("score", h, paper_l); - } - else if (str == "|") - { - return thin; - } - else if (str == "|.") - { - m.add_at_edge (X_AXIS, LEFT, thick, 0); - m.add_at_edge (X_AXIS, LEFT, thin, kern); - } - else if (str == ".|") - { - m.add_at_edge (X_AXIS, RIGHT, thick, 0); - m.add_at_edge (X_AXIS, RIGHT, thin, kern); - } - else if (str == ":|") - { - m.add_at_edge (X_AXIS, LEFT, thick, 0); - m.add_at_edge (X_AXIS, LEFT, thin, kern); - m.add_at_edge (X_AXIS, LEFT, colon, kern); - } - else if (str == "|:") - { - m.add_at_edge (X_AXIS, RIGHT, thick, 0); - m.add_at_edge (X_AXIS, RIGHT, thin, kern); - m.add_at_edge (X_AXIS, RIGHT, colon, kern); - } - else if (str == ":|:") - { - m.add_at_edge (X_AXIS, LEFT, thick, thinkern); - m.add_at_edge (X_AXIS, LEFT, colon, kern); - m.add_at_edge (X_AXIS, RIGHT, thick, kern); - m.add_at_edge (X_AXIS, RIGHT, colon, kern); - } - else if (str == ".|.") - { - m.add_at_edge (X_AXIS, LEFT, thick, thinkern); - m.add_at_edge (X_AXIS, RIGHT, thick, kern); - } - else if (str == "||") - { - m.add_at_edge (X_AXIS, RIGHT, thin, 0); - m.add_at_edge (X_AXIS, RIGHT, thin, thinkern); - } + SCM expr = scm_list_n (ly_symbol2scm ("polygon"), + ly_quote_scm (points), + scm_from_double (blot), + SCM_BOOL_T, + SCM_UNDEFINED); - return m; + return Stencil (b, expr); } -Molecule -Lookup::beam (Real slope, Real width, Real thick) const +Stencil +Lookup::dashed_slur (Bezier b, Real thick, Real dash_period, Real dash_fraction) { - Real height = slope * width; - Real min_y = (0 ? height) + thick/2; - - - Molecule m; - m.dim_[X_AXIS] = Interval (0, width); - m.dim_[Y_AXIS] = Interval (min_y, max_y); - - - Atom *at = new Atom - (gh_list (ly_symbol2scm ("beam"), - gh_double2scm (width), - gh_double2scm (slope), - gh_double2scm (thick), - SCM_UNDEFINED)); - - m.add_atom (at->self_scm_); - return m; -} + SCM l = SCM_EOL; + 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); -/* - FIXME. - */ -Molecule -Lookup::dashed_slur (Bezier b, Real thick, Real dash) const -{ - SCM l = SCM_EOL; - for (int i= 4; i -- ;) - { - l = gh_cons (ly_offset2scm (b.control_[i]), l); - } + SCM at = (scm_list_n (ly_symbol2scm ("dashed-slur"), + scm_from_double (thick), + scm_from_double (on), + scm_from_double (off), + ly_quote_scm (l), + SCM_UNDEFINED)); - Atom *at = new Atom(gh_list (ly_symbol2scm ("dashed-slur"), - gh_double2scm (thick), - gh_double2scm (dash), - ly_quote_scm (l), - SCM_UNDEFINED)); - Molecule m; - m.add_atom (at->self_scm_); - return m; + Box box (b.extent (X_AXIS), b.extent (Y_AXIS)); + return Stencil (box, at); } +Stencil +Lookup::rotated_box (Real slope, Real width, Real thick, Real blot) +{ + vector pts; + Offset rot (1, slope); + + thick -= 2*blot; + width -= 2*blot; + rot /= sqrt (1 + slope*slope); + pts.push_back (Offset (0, -thick / 2) * rot); + pts.push_back (Offset (width, -thick / 2) * rot); + pts.push_back (Offset (width, thick / 2) * rot); + pts.push_back (Offset (0, thick / 2) * rot); + return Lookup::round_filled_polygon (pts, blot); +} - - -Molecule -Lookup::fill (Box b) const +Stencil +Lookup::horizontal_line (Interval w, Real th) { - Molecule m; - m.dim_ = b; - return m; + SCM at = scm_list_n (ly_symbol2scm ("draw-line"), + scm_from_double (th), + scm_from_double (w[LEFT]), + scm_from_double (0), + scm_from_double (w[RIGHT]), + scm_from_double (0), + SCM_UNDEFINED); + + Box box; + box[X_AXIS] = w; + box[Y_AXIS] = Interval (-th / 2, th / 2); + + return Stencil (box, at); } +Stencil +Lookup::blank (Box b) +{ + return Stencil (b, scm_from_locale_string ("")); +} -Molecule -Lookup::filledbox (Box b ) const +Stencil +Lookup::filled_box (Box b) { - Molecule m; - - Atom* at = new Atom(gh_list (ly_symbol2scm ("filledbox"), - gh_double2scm (-b[X_AXIS][LEFT]), - gh_double2scm (b[X_AXIS][RIGHT]), - gh_double2scm (-b[Y_AXIS][DOWN]), - gh_double2scm (b[Y_AXIS][UP]), - SCM_UNDEFINED)); - - m.dim_ = b; - m.add_atom (at->self_scm_); - return m; + return round_filled_box (b, 0.0); } /* - TODO: THIS IS UGLY. Since the user has direct access to TeX - strings, we try some halfbaked attempt to detect TeX trickery. + * round filled box: + * + * __________________________________ + * / \ ^ / \ ^ + * | |blot | | + * | | |dia | | | + * | |meter | | + * |\ _ _ / v \ _ _ /| | + * | | | + * | | | Box + * | <------>| | extent + * | blot | | (Y_AXIS) + * | diameter| | + * | | | + * | _ _ _ _ | | + * |/ \ / \| | + * | | | + * | | | | | + * | | | + * x\_____/______________\_____/|_____v + * |(0, 0) | + * | | + * | | + * |<-------------------------->| + * Box extent (X_AXIS) */ -String -sanitise_TeX_string (String text) +Stencil +Lookup::round_filled_box (Box b, Real blotdiameter) { - int brace_count =0; - for (int i= 0; i < text.length_i (); i++) - { - if (text[i] == '\\') - continue; - - if (text[i] == '{') - brace_count ++; - else if (text[i] == '}') - brace_count --; - } - - if(brace_count) - { - warning (_f ("Non-matching braces in text `%s', adding braces", text.ch_C())); - - if (brace_count < 0) - { - text = to_str ('{', -brace_count) + text; - } - else - { - text = text + to_str ('}', brace_count); - } - } - - return text; + if (b.x ().length () < blotdiameter) + blotdiameter = b.x ().length (); + if (b.y ().length () < blotdiameter) + blotdiameter = b.y ().length (); + + SCM at = (scm_list_n (ly_symbol2scm ("round-filled-box"), + scm_from_double (-b[X_AXIS][LEFT]), + scm_from_double (b[X_AXIS][RIGHT]), + scm_from_double (-b[Y_AXIS][DOWN]), + scm_from_double (b[Y_AXIS][UP]), + scm_from_double (blotdiameter), + SCM_UNDEFINED)); + + return Stencil (b, at); } -/** - TODO! +/* + * Create Stencil that represents a filled polygon with round edges. + * + * LIMITATIONS: + * + * (a) Only outer (convex) edges are rounded. + * + * (b) This algorithm works as expected only for polygons whose edges + * do not intersect. For example, the polygon ((0, 0), (q, 0), (0, + * q), (q, q)) has an intersection at point (q/2, q/2) and therefore + * will give a strange result. Even non-adjacent edges that just + * 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))), + * 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 + * 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 + * small value -- maybe even 0.0)! + * + * NOTE: Limitations (b) and (c) arise from the fact that round edges + * are made by moulding sharp edges to round ones rather than adding + * 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 + * 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 + * polygon -- which is not trivial define precisely and unambigously. + * With the other approach, one simply could move a circle of size + * blotdiameter along all edges of the polygon (which is what the + * postscript routine in the backend effectively does, but on the + * shrinked polygon). --jr */ -String -sanitise_PS_string (String t) +Stencil +Lookup::round_filled_polygon (vector const &points, + Real blotdiameter) { - return t; -} + /* TODO: Maybe print a warning if one of the above limitations + applies to the given polygon. However, this is quite complicated + to check. */ -/** + const Real epsilon = 0.01; -*/ -Molecule -Lookup::text (String style, String text, Paper_def *paper_l) const -{ - Molecule m; - if (style.empty_b ()) - style = "roman"; - - int font_mag = 0; - Real font_h = paper_l->get_var ("font_normal"); - if (paper_l->scope_p_->elem_b ("font_" + style)) +#ifndef NDEBUG + /* remove consecutive duplicate points */ + for (vsize i = 0; i < points.size (); i++) { - font_h = paper_l->get_var ("font_" + style); + int next = (i + 1) % points.size (); + Real d = (points[i] - points[next]).length (); + if (d < epsilon) + programming_error ("Polygon should not have duplicate points"); } - - - if (paper_l->scope_p_->elem_b ("magnification_" + style)) +#endif + + /* special cases: degenerated polygons */ + if (points.size () == 0) + return Stencil (); + if (points.size () == 1) + return dot (points[0], 0.5 * blotdiameter); + if (points.size () == 2) + return Line_interface::make_line (blotdiameter, points[0], points[1]); + + /* shrink polygon in size by 0.5 * blotdiameter */ + vector shrunk_points; + shrunk_points.resize (points.size ()); + bool ccw = 1; // true, if three adjacent points are counterclockwise ordered + for (vsize i = 0; i < points.size (); i++) { - font_mag = (int)paper_l->get_var ("magnification_" + style); + int i0 = i; + int i1 = (i + 1) % points.size (); + int i2 = (i + 2) % points.size (); + Offset p0 = points[i0]; + Offset p1 = points[i1]; + Offset p2 = points[i2]; + Offset p10 = p0 - p1; + Offset p12 = p2 - p1; + if (p10.length () != 0.0) + { // recompute ccw + Real phi = p10.arg (); + // rotate (p2 - p0) by (-phi) + Offset q = complex_multiply (p2 - p0, complex_exp (Offset (1.0, -phi))); + + if (q[Y_AXIS] > 0) + ccw = 1; + else if (q[Y_AXIS] < 0) + ccw = 0; + else {} // keep ccw unchanged + } + else {} // keep ccw unchanged + Offset p10n = (1.0 / p10.length ()) * p10; // normalize length to 1.0 + Offset p12n = (1.0 / p12.length ()) * p12; + 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) + if (d < epsilon) + // special case: p0, p1, p2 are on a single line => build + // vector orthogonal to (p2-p0) of length 0.5 blotdiameter + { + p13[X_AXIS] = p10[Y_AXIS]; + p13[Y_AXIS] = -p10[X_AXIS]; + p13 = (0.5 * blotdiameter / p13.length ()) * p13; + } + else + p13 = (0.5 * blotdiameter / d) * p13n; + shrunk_points[i1] = p1 + ((ccw) ? p13 : -p13); } - /* - UGH. - */ - SCM l = ly_eval_str (("(style-to-cmr \"" + style + "\")").ch_C()); - if (l != SCM_BOOL_F) + /* build scm expression and bounding box */ + SCM shrunk_points_scm = SCM_EOL; + Box box; + for (vsize i = 0; i < shrunk_points.size (); i++) { - style = ly_scm2string (gh_cdr(l)) +to_str ((int)font_h); + SCM x = scm_from_double (shrunk_points[i][X_AXIS]); + SCM y = scm_from_double (shrunk_points[i][Y_AXIS]); + shrunk_points_scm = scm_cons (x, scm_cons (y, shrunk_points_scm)); + box.add_point (points[i]); } - - - - Font_metric* metric_l = 0; - - if (font_mag) - metric_l = all_fonts_global_p->find_scaled (style, font_mag); - else - metric_l = all_fonts_global_p->find_font (style); - - - if (output_global_ch == "tex") - text = sanitise_TeX_string (text); - else if (output_global_ch == "ps") - text = sanitise_PS_string (text); - - m.dim_ = metric_l->text_dimension (text); - - Atom *at = new Atom (gh_list (ly_symbol2scm ("text"), - ly_str02scm (text.ch_C()), - SCM_UNDEFINED)); - at->fontify (metric_l); - - m.add_atom (at->self_scm_); - return m; + SCM polygon_scm = scm_list_n (ly_symbol2scm ("polygon"), + ly_quote_scm (shrunk_points_scm), + scm_from_double (blotdiameter), + SCM_BOOL_T, + SCM_UNDEFINED); + + Stencil polygon = Stencil (box, polygon_scm); + shrunk_points.clear (); + return polygon; } - - -Molecule -Lookup::staff_brace (Real y, int staff_size) const +/* + TODO: deprecate? +*/ +Stencil +Lookup::frame (Box b, Real thick, Real blot) { - Molecule m; - - Real step = 1.0; - int minht = 2 * staff_size; - int maxht = 7 * minht; - int idx = int (((maxht - step) ? 0; - - - String nm = String ("feta-braces" + to_str (staff_size)); - SCM e =gh_list (ly_symbol2scm ("char"), gh_int2scm (idx), SCM_UNDEFINED); - Atom *at = new Atom (e); + Stencil m; + Direction d = LEFT; + for (Axis a = X_AXIS; a < NO_AXES; a = Axis (a + 1)) + { + 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; - at->fontify (all_fonts_global_p->find_font (nm)); - - m.dim_[Y_AXIS] = Interval (-y/2,y/2); - m.dim_[X_AXIS] = Interval (0,0); - m.add_atom (at->self_scm_); + m.add_stencil (round_filled_box (edges, blot)); + } + while (flip (&d) != LEFT); + } return m; } - /* - Make a smooth curve along the points - */ -Molecule -Lookup::slur (Bezier curve, Real curvethick, Real linethick) const + Make a smooth curve along the points +*/ +Stencil +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; back.reverse (); - back.control_[1] += curvethick * complex_exp (Offset (0, alpha + M_PI/2)); - back.control_[2] += curvethick * complex_exp (Offset (0, alpha + M_PI/2)); + back.control_[1] += perp; + back.control_[2] += perp; + + curve.control_[1] -= perp; + curve.control_[2] -= perp; SCM scontrols[8]; - 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 = 0; i < 4; i++) + scontrols[i] = ly_offset2scm (back.control_[i]); + for (int i = 0; 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--; ) - { - list = gh_cons (scontrols[indices[i]], list); - } - - - Atom *at = new Atom (gh_list (ly_symbol2scm ("bezier-sandwich"), - ly_quote_scm (list), - gh_double2scm (linethick), - SCM_UNDEFINED)); - - Molecule m; - m.dim_[X_AXIS] = curve.extent (X_AXIS); - m.dim_[Y_AXIS] = curve.extent (Y_AXIS); - m.add_atom (at->self_scm_); - return m; -} + for (int i = 8; i--;) + list = scm_cons (scontrols[indices[i]], list); -Molecule -Lookup::staff_bracket (Real height, Paper_def* paper_l) const -{ - Molecule m; - Atom *at = new Atom ( gh_list (ly_symbol2scm ("bracket"), - gh_double2scm (paper_l->get_var("bracket_arch_angle")), - gh_double2scm (paper_l->get_var("bracket_arch_width")), - gh_double2scm (paper_l->get_var("bracket_arch_height")), - gh_double2scm (paper_l->get_var("bracket_width")), - gh_double2scm (height), - gh_double2scm (paper_l->get_var("bracket_arch_thick")), - gh_double2scm (paper_l->get_var("bracket_thick")), - SCM_UNDEFINED)); - - m.add_atom (at->self_scm_); - m.dim_[Y_AXIS] = Interval (-height/2,height/2); - m.dim_[X_AXIS] = Interval (0,4 PT); - - m.translate_axis (- 4. / 3. * m.dim_[X_AXIS].length (), X_AXIS); - return m; -} - -Molecule -Lookup::volta (Real h, Real w, Real thick, bool vert_start, bool vert_end) const -{ - Molecule m; + SCM at = (scm_list_n (ly_symbol2scm ("bezier-sandwich"), + ly_quote_scm (list), + scm_from_double (linethick), + SCM_UNDEFINED)); + Box b (curve.extent (X_AXIS), + curve.extent (Y_AXIS)); - Atom *at = new Atom(gh_list (ly_symbol2scm ("volta"), - gh_double2scm (h), - gh_double2scm (w), - gh_double2scm (thick), - gh_int2scm (vert_start), - gh_int2scm (vert_end), - SCM_UNDEFINED)); + b[X_AXIS].unite (back.extent (X_AXIS)); + b[Y_AXIS].unite (back.extent (Y_AXIS)); - m.dim_[Y_AXIS] = Interval (- h/2, h/2); - m.dim_[X_AXIS] = Interval (0, w); + return Stencil (b, at); +} - m.add_atom (at->self_scm_); - return m; +/* + * Bezier Sandwich: + * + * .| + * . | + * top . | + * . curve | + * . | + * . | + * . | + * | | + * | .| + * | . + * | bottom . + * | . curve + * | . + * | . + * | . + * | . + * |. + * | + * + */ +Stencil +Lookup::bezier_sandwich (Bezier top_curve, Bezier bottom_curve) +{ + /* + 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); + list = scm_cons (ly_offset2scm (bottom_curve.control_[1]), list); + list = scm_cons (ly_offset2scm (bottom_curve.control_[2]), list); + list = scm_cons (ly_offset2scm (top_curve.control_[0]), list); + list = scm_cons (ly_offset2scm (top_curve.control_[3]), list); + list = scm_cons (ly_offset2scm (top_curve.control_[2]), list); + list = scm_cons (ly_offset2scm (top_curve.control_[1]), list); + + SCM horizontal_bend = scm_list_n (ly_symbol2scm ("bezier-sandwich"), + ly_quote_scm (list), + scm_from_double (0.0), + SCM_UNDEFINED); + + Interval x_extent = top_curve.extent (X_AXIS); + x_extent.unite (bottom_curve.extent (X_AXIS)); + Interval y_extent = top_curve.extent (Y_AXIS); + y_extent.unite (bottom_curve.extent (Y_AXIS)); + Box b (x_extent, y_extent); + + return Stencil (b, horizontal_bend); } -Molecule -Lookup::accordion (SCM s, Real staff_space) const +/* + TODO: junk me. +*/ +Stencil +Lookup::accordion (SCM s, Real staff_space, Font_metric *fm) { - Molecule m; - String sym = ly_scm2string(gh_car (s)); - String reg = ly_scm2string(gh_car (gh_cdr(s))); + Stencil m; + string sym = ly_scm2string (scm_car (s)); + string reg = ly_scm2string (scm_car (scm_cdr (s))); if (sym == "Discant") { - Molecule r = afm_find("scripts-accDiscant"); - m.add_molecule(r); - if (reg.left_str(1) == "F") + Stencil r = fm->find_by_name ("accordion.accDiscant"); + m.add_stencil (r); + if (reg.substr (0, 1) == "F") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 2.5 PT, Y_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-1); + Stencil d = fm->find_by_name ("accordion.accDot"); + d.translate_axis (staff_space * 2.5 PT, Y_AXIS); + m.add_stencil (d); + reg = reg.substr (1); } int eflag = 0x00; - if (reg.left_str(3) == "EEE") + if (reg.substr (0, 3) == "EEE") { eflag = 0x07; - reg = reg.right_str(reg.length_i()-3); + reg = reg.substr (3); } - else if (reg.left_str(2) == "EE") + else if (reg.substr (0, 2) == "EE") { eflag = 0x05; - reg = reg.right_str(reg.length_i()-2); + reg = reg.substr (2); } - else if (reg.left_str(2) == "Eh") + else if (reg.substr (0, 2) == "Eh") { eflag = 0x04; - reg = reg.right_str(reg.length_i()-2); + reg = reg.substr (2); } - else if (reg.left_str(1) == "E") + else if (reg.substr (0, 1) == "E") { eflag = 0x02; - reg = reg.right_str(reg.length_i()-1); + reg = reg.substr (1); } if (eflag & 0x02) { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 1.5 PT, Y_AXIS); - m.add_molecule(d); + 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) { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 1.5 PT, Y_AXIS); - d.translate_axis(0.8 * staff_space PT, X_AXIS); - m.add_molecule(d); + 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) { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 1.5 PT, Y_AXIS); - d.translate_axis(-0.8 * staff_space PT, X_AXIS); - m.add_molecule(d); + 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_str(2) == "SS") + if (reg.substr (0, 2) == "SS") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(0.5 * staff_space PT, Y_AXIS); - d.translate_axis(0.4 * staff_space PT, X_AXIS); - m.add_molecule(d); - d.translate_axis(-0.8 * staff_space PT, X_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-2); + 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.substr (2); } - if (reg.left_str(1) == "S") + if (reg.substr (0, 1) == "S") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(0.5 * staff_space PT, Y_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-1); + Stencil d = fm->find_by_name ("accordion.accDot"); + d.translate_axis (0.5 * staff_space PT, Y_AXIS); + m.add_stencil (d); + reg = reg.substr (1); } } else if (sym == "Freebase") { - Molecule r = afm_find("scripts-accFreebase"); - m.add_molecule(r); - if (reg.left_str(1) == "F") + Stencil r = fm->find_by_name ("accordion.accFreebase"); + m.add_stencil (r); + if (reg.substr (0, 1) == "F") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 1.5 PT, Y_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-1); + Stencil d = fm->find_by_name ("accordion.accDot"); + d.translate_axis (staff_space * 1.5 PT, Y_AXIS); + m.add_stencil (d); + reg = reg.substr (1); } if (reg == "E") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 0.5 PT, Y_AXIS); - m.add_molecule(d); + 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") { - Molecule r = afm_find("scripts-accBayanbase"); - m.add_molecule(r); - if (reg.left_str(1) == "T") + Stencil r = fm->find_by_name ("accordion.accBayanbase"); + m.add_stencil (r); + if (reg.substr (0, 1) == "T") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 2.5 PT, Y_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-1); + Stencil d = fm->find_by_name ("accordion.accDot"); + d.translate_axis (staff_space * 2.5 PT, Y_AXIS); + m.add_stencil (d); + reg = reg.substr (1); } /* include 4' reed just for completeness. You don't want to use this. */ - if (reg.left_str(1) == "F") + if (reg.substr (0, 1) == "F") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 1.5 PT, Y_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-1); + Stencil d = fm->find_by_name ("accordion.accDot"); + d.translate_axis (staff_space * 1.5 PT, Y_AXIS); + m.add_stencil (d); + reg = reg.substr (1); } - if (reg.left_str(2) == "EE") + if (reg.substr (0, 2) == "EE") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 0.5 PT, Y_AXIS); - d.translate_axis(0.4 * staff_space PT, X_AXIS); - m.add_molecule(d); - d.translate_axis(-0.8 * staff_space PT, X_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-2); + 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.substr (2); } - if (reg.left_str(1) == "E") + if (reg.substr (0, 1) == "E") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 0.5 PT, Y_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-1); + Stencil d = fm->find_by_name ("accordion.accDot"); + d.translate_axis (staff_space * 0.5 PT, Y_AXIS); + m.add_stencil (d); + reg = reg.substr (1); } } else if (sym == "Stdbase") { - Molecule r = afm_find("scripts-accStdbase"); - m.add_molecule(r); - if (reg.left_str(1) == "T") + Stencil r = fm->find_by_name ("accordion.accStdbase"); + m.add_stencil (r); + if (reg.substr (0, 1) == "T") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 3.5 PT, Y_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-1); + Stencil d = fm->find_by_name ("accordion.accDot"); + d.translate_axis (staff_space * 3.5 PT, Y_AXIS); + m.add_stencil (d); + reg = reg.substr (1); } - if (reg.left_str(1) == "F") + if (reg.substr (0, 1) == "F") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 2.5 PT, Y_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-1); + Stencil d = fm->find_by_name ("accordion.accDot"); + d.translate_axis (staff_space * 2.5 PT, Y_AXIS); + m.add_stencil (d); + reg = reg.substr (1); } - if (reg.left_str(1) == "M") + if (reg.substr (0, 1) == "M") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 2 PT, Y_AXIS); - d.translate_axis(staff_space PT, X_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-1); + 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.substr (1); } - if (reg.left_str(1) == "E") + if (reg.substr (0, 1) == "E") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 1.5 PT, Y_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-1); + Stencil d = fm->find_by_name ("accordion.accDot"); + d.translate_axis (staff_space * 1.5 PT, Y_AXIS); + m.add_stencil (d); + reg = reg.substr (1); } - if (reg.left_str(1) == "S") + if (reg.substr (0, 1) == "S") { - Molecule d = afm_find("scripts-accDot"); - d.translate_axis(staff_space * 0.5 PT, Y_AXIS); - m.add_molecule(d); - reg = reg.right_str(reg.length_i()-1); + Stencil d = fm->find_by_name ("accordion.accDot"); + d.translate_axis (staff_space * 0.5 PT, Y_AXIS); + m.add_stencil (d); + reg = reg.substr (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") { - Molecule r = afm_find("scripts-accSB"); - m.add_molecule(r); + Stencil r = fm->find_by_name ("accordion.accSB"); + m.add_stencil (r); } else if (sym == "BB") { - Molecule r = afm_find("scripts-accBB"); - m.add_molecule(r); + Stencil r = fm->find_by_name ("accordion.accBB"); + m.add_stencil (r); } else if (sym == "OldEE") { - Molecule r = afm_find("scripts-accOldEE"); - m.add_molecule(r); + Stencil r = fm->find_by_name ("accordion.accOldEE"); + m.add_stencil (r); } else if (sym == "OldEES") { - Molecule r = afm_find("scripts-accOldEES"); - m.add_molecule(r); + Stencil r = fm->find_by_name ("accordion.accOldEES"); + m.add_stencil (r); } - return m; + return m; +} + +Stencil +Lookup::repeat_slash (Real w, Real s, Real t) +{ +#if 0 /* TODO */ + vector points; + Real blotdiameter = 0.0; + + Offset p1 (0, 0); + Offset p2 (w, w * s); + + return Lookup::round_filled_polygon (points, blotdiameter); +#endif + + SCM wid = scm_from_double (w); + SCM sl = scm_from_double (s); + SCM thick = scm_from_double (t); + 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))), + 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); + 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)); + 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)); + + return m; +} + +Stencil +Lookup::triangle (Interval iv, Real thick, Real protude) +{ + Box b; + b[X_AXIS] = Interval (0, iv.length ()); + b[Y_AXIS] = Interval (min (0., protude), max (0.0, protude)); + + vector points; + points.push_back (Offset (iv[LEFT], 0)); + points.push_back (Offset (iv[RIGHT], 0)); + points.push_back (Offset (iv.center (), protude)); + + return points_to_line_stencil (thick, points); + } + + +Stencil +Lookup::points_to_line_stencil (Real thick, vector const &points) +{ + Stencil ret; + for (vsize i = 1; i < points.size (); i++) + { + if (points[i-1].is_sane () && points[i].is_sane ()) + { + Stencil line + = Line_interface::make_line (thick, points[i-1], points[i]); + ret.add_stencil (line); + } + } + return ret; +}