+// vim:sw=2 makeprg=g++\ -g\ bow.cc\ -o\ bow
+#include <iostream.h>
+#define PT
+// #define STAFFHEIGHT 16.0
+#define STAFFHEIGHT 20.0
+
+#define UP 1
+#define DOWN (-1)
+
+// mmm
+#define STANDALONE
+
+#include <math.h>
+
+typedef void *Paper_def;
+
+#include "bezier.hh"
+#include "bezier.cc"
+#include "offset.cc"
+
+struct Point
+{
+ Real x, y;
+};
+
+void
+out (Bezier_bow& b)
+{
+ cout << "save dx,dy,x,y;\n";
+ for (int i = 0; i < 4; i++)
+ cout << "z" << i + 1 << " = (" << b.control_[i].x ()
+ << ", " << b.control_[i].y () << ");\n";
+ for (int i = 1; i < 3; i++)
+ cout << "z" << i + 4 << " = (" << b.return_[i].x ()
+ << ", " << b.return_[i].y () << ");\n";
+#if 0
+ cout << "pickup pencircle scaled 0.5pt#;\n";
+ cout << "draw z2--z3; draw (50,0)-- 0.5[z2,z3];\n";
+#endif
+ cout << "pickup pencircle scaled 4pt#;\n";
+ for (int i = 0; i < 4; i++)
+ cout << "drawdot z" << i + 1 << ";\n";
+ cout << "path boogje;\n";
+#if 0
+ cout << "pickup pencircle scaled 0.4pt#;\n";
+ cout << "boogje=z1..controls z2 and z3..z4..controls z5 and z6..cycle;\n";
+ cout << "filldraw boogje;\n";
+#else
+ cout << "pickup pencircle scaled 1.6pt#;\n";
+ cout << "boogje=z1..controls z2 and z3..z4;\n";
+ cout << "draw boogje;\n";
+ cout << "pickup pencircle scaled 0.4pt#;\n";
+ cout << "boogje:=z4..controls z5 and z6..z1;\n";
+ cout << "draw boogje;\n";
+#endif
+ cout << "showit; shipit;clearit;\n";
+}
+
+void
+bow (Point* points, int n, int d)
+{
+ Array<Offset> notes;
+ for (int i = 0; i < n; i++)
+ notes.push (Offset (points[i].x, points[i].y));
+// cout << "pickup pencircle scaled 8pt#;\n";
+ cout << "pickup pencircle scaled 2pt#;\n";
+ for (int i = 0; i < n; i++)
+ cout << "drawdot (" << notes[i].x () << ", " << notes[i].y () << ");\n";
+ Bezier_bow b (0);
+ b.set (notes, d);
+ b.calc ();
+ out (b);
+ return;
+}
+
+int
+main ()
+{
+ //cout.unsetf(ios::scientific);
+ cout.setf(ios::fixed);
+#if 0
+ bow ((Point[6]){ 0,0, 20,0, 40,0, 60,0, 80,0, 100,1 }, 6, 1);
+ bow ((Point[6]){ 0,0, 20,0, 40,30, 60,30, 80,0, 100,1 }, 6, 1);
+ bow ((Point[6]){ 0,0, 20,0, 40,0, 60,0, 80,10, 100,1 }, 6, 1);
+ bow ((Point[6]){ 0,0, 20,0, 40,0, 60,0, 80,40, 100,1 }, 6, 1);
+ bow ((Point[6]){ 0,0, 20,0, 40,0, 60,40, 80,0, 100,1 }, 6, 1);
+ bow ((Point[6]){ 0,10, 20,20, 40,0, 60,40, 80,20, 100,50 }, 6, 1);
+ bow ((Point[6]){ 0,10, 20,20, 40,0, 60,40, 80,20, 100,50 }, 6, -1);
+ bow ((Point[6]){ 0,10, 20,20, 40,0, 60,40, 80,20, 100,100 }, 6, -1);
+ bow ((Point[9]){ 0,0, 20,0, 40,-80, 60,0, 80,0, 100,0, 120,0, 140,0, 160,-1 }, 9, -1);
+ bow ((Point[9]){ 0,0, 40,0, 80,180, 120,0, 160,0, 200,0, 240,0, 280,0, 320,1 }, 9, 1);
+ bow ((Point[9]){
+ {0, 0},
+ {19.10645980317711, 1},
+ {29.402919606354207, 28},
+ {55.389379409531308, 1},
+ {73.530839212708514, 1},
+ {91.672299015885727, 1},
+ {111.35901367452229, 1},
+ {131.04572833315891, 1},
+ {145.76744299179552, 0}
+ },
+ 9, 1);
+ bow ((Point[6]){ 0,0, 20,0, 40,0, 60,0, 80,0, 100,40 }, 6, 1);
+ bow ((Point[2]){ 0,0, 20,0 }, 2, 1);
+ bow ((Point[2]){ 0,0, 20,-10 }, 2, 1);
+#endif
+ bow ((Point[6]){ 0,0, 20,0, 40,0, 60,0, 80,0, 100,100 }, 6, 1);
+ cout << "\\end\n";
+ return 0;
+}
+
+// vim:sw=2 makeprg=g++\ -g\ bow.cc\ -o\ bow
+#include <iostream.h>
+#define PT
+
+// mmm
+#define STANDALONE
+
+#include <math.h>
+
+typedef void *Paper_def;
+
+#include "bezier.hh"
+#include "bezier.cc"
+#include "mat.hh"
+
+struct Point
+{
+ Real x, y;
+};
+
+void
+out (Bezier_bow& b)
+{
+ cout << "save dx,dy,x,y;\n";
+ for (int i = 0; i < 4; i++)
+ cout << "z" << i + 1 << " = (" << b.control_[i].x ()
+ << ", " << b.control_[i].y () << ");\n";
+ for (int i = 1; i < 3; i++)
+ cout << "z" << i + 4 << " = (" << b.return_[i].x ()
+ << ", " << b.return_[i].y () << ");\n";
+// cout << "pickup pencircle scaled 0.5pt#;\n";
+// cout << "draw z2--z3; draw (50,0)-- 0.5[z2,z3];\n";
+ cout << "pickup pencircle scaled 4pt#;\n";
+ for (int i = 0; i < 4; i++)
+ cout << "drawdot z" << i + 1 << ";\n";
+// cout << "pickup pencircle scaled 0.4pt#;\n";
+ cout << "pickup pencircle scaled 1.6pt#;\n";
+ cout << "path boogje;\n";
+// cout << "boogje=z1..controls z2 and z3..z4..controls z5 and z6..cycle;\n";
+ cout << "boogje=z1..controls z2 and z3..z4;\n";
+ cout << "dx=x4-x1;\n";
+ cout << "dy=y4-y1;\n";
+ cout << "draw boogje;\n";
+ cout << "pickup pencircle scaled 0.4pt#;\n";
+ cout << "boogje:=z4..controls z5 and z6..z1;\n";
+ cout << "draw boogje;\n";
+// cout << "filldraw boogje;\n";
+ cout << "showit; shipit;clearit;\n";
+}
+
+void
+bow (Point* points, int n, int d)
+{
+ Array<Offset> notes;
+ for (int i = 0; i < n; i++)
+ notes.push (Offset (points[i].x, points[i].y));
+ cout << "pickup pencircle scaled 8pt#;\n";
+ for (int i = 0; i < n; i++)
+ cout << "drawdot (" << notes[i].x () << ", " << notes[i].y () << ");\n";
+ Bezier_bow b (0);
+ b.set (notes, d);
+ b.calc ();
+ out (b);
+ return;
+}
+
+int
+main ()
+{
+ //cout.unsetf(ios::scientific);
+ cout.setf(ios::fixed);
+#if 1
+ bow ((Point[6]){ 0,0, 20,0, 40,0, 60,0, 80,0, 100,1 }, 6, 1);
+ bow ((Point[6]){ 0,0, 20,0, 40,30, 60,30, 80,0, 100,1 }, 6, 1);
+ bow ((Point[6]){ 0,0, 20,0, 40,0, 60,0, 80,10, 100,1 }, 6, 1);
+ bow ((Point[6]){ 0,0, 20,0, 40,0, 60,0, 80,40, 100,1 }, 6, 1);
+ bow ((Point[6]){ 0,0, 20,0, 40,0, 60,40, 80,0, 100,1 }, 6, 1);
+ bow ((Point[6]){ 0,10, 20,20, 40,0, 60,40, 80,20, 100,50 }, 6, 1);
+ bow ((Point[6]){ 0,10, 20,20, 40,0, 60,40, 80,20, 100,50 }, 6, -1);
+ bow ((Point[6]){ 0,10, 20,20, 40,0, 60,40, 80,20, 100,100 }, 6, -1);
+ bow ((Point[9]){ 0,0, 20,0, 40,-80, 60,0, 80,0, 100,0, 120,0, 140,0, 160,-1 }, 9, -1);
+ bow ((Point[9]){ 0,0, 40,0, 80,180, 120,0, 160,0, 200,0, 240,0, 280,0, 320,1 }, 9, 1);
+ bow ((Point[9]){
+ {0, 0},
+ {19.10645980317711, 1},
+ {29.402919606354207, 28},
+ {55.389379409531308, 1},
+ {73.530839212708514, 1},
+ {91.672299015885727, 1},
+ {111.35901367452229, 1},
+ {131.04572833315891, 1},
+ {145.76744299179552, 0}
+ },
+ 9, 1);
+#endif
+ bow ((Point[6]){ 0,0, 20,0, 40,0, 60,0, 80,0, 100,40 }, 6, 1);
+ cout << "\\end\n";
+ return 0;
+}
+
projects / lilypond.git / commitdiff