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svg.c
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svg.c
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/*
* SVG definitions.
*
* This file is part of abcm2ps.
*
* Copyright (C) 1998-2017 Jean-François Moine
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#ifndef NaN
#define NaN ((float) (2 << 22))
#endif
#include "abcm2ps.h"
enum elt_t { /* element types */
VAL,
STR,
SEQ, /* {..} */
BRK, /* [..] */
};
struct elt_s {
struct elt_s *next;
char type;
union {
float v;
char *s;
struct elt_s *e;
} u;
};
struct ps_sym_s {
char *n; /* name */
struct elt_s *e; /* value */
int exec; /* current number of execution */
};
/* -- PostScript tiny interpreter -- */
#define NELTS 2048 /* number of elements per block */
#define NSYMS 512 /* max number of symbols */
static struct elt_s *elts;
static struct elt_s *stack, *free_elt;
static struct ps_sym_s ps_sym[NSYMS];
static int n_sym;
static int ps_error;
static int in_cnt; /* in [..] or {..} */
static char *path;
static char path_buf[256];
/* graphical context */
static struct gc {
float cx, cy; // current point (volatile)
float xscale, yscale; // scale
float xoffs, yoffs; // translate
float rotate, sin, cos; // rotate
char *font_n; // current font
float font_s;
char *font_n_old;
float linewidth;
int rgb;
char dash[64];
} gcur, gold, gsave[8];
static int nsave;
static float x_rot, y_rot; /* save x and y offset when rotate != 0 */
static int g; /* current container */
static int boxend;
static char *defs; // SVG ID's from %%beginsvg
static int defssz;
/* abcm2ps definitions */
static struct {
char *def;
char use;
char defined;
} def_tb[] = {
#define D_brace 0
{ "<path id=\"brace\" class=\"fill\" d=\"m-2.5 101\n"
" c-4.5 -4.6 -7.5 -12.2 -4.4 -26.8\n"
" 3.5 -14.3 3.2 -21.7 -2.1 -24.2\n"
" 7.4 2.4 7.3 14.2 3.5 29.5\n"
" -2.7 9.5 -1.5 16.2 3 21.5\n"
" M-2.5 1c-4.5 4.6 -7.5 12.2 -4.4 26.8\n"
" c3.5 14.3 3.2 21.7 -2.1 24.2\n"
" 7.4 -2.4 7.3 -14.2 3.5 -29.5\n"
" -2.7 -9.5 -1.5 -16.2 3 -21.5\"/>\n"},
#define D_utclef 1
{ "<path id=\"utclef\" class=\"fill\" d=\"m-50 -90\n"
" c-72 -41 -72 -158 52 -188\n"
" 150 -10 220 188 90 256\n"
" -114 52 -275 0 -293 -136\n"
" -15 -181 93 -229 220 -334\n"
" 88 -87 79 -133 62 -210\n"
" -51 33 -94 105 -89 186\n"
" 17 267 36 374 49 574\n"
" 6 96 -19 134 -77 135\n"
" -80 1 -126 -93 -61 -133\n"
" 85 -41 133 101 31 105\n"
" 23 17 92 37 90 -92\n"
" -10 -223 -39 -342 -50 -617\n"
" 0 -90 0 -162 96 -232\n"
" 56 72 63 230 22 289\n"
" -74 106 -257 168 -255 316\n"
" 9 153 148 185 252 133\n"
" 86 -65 29 -192 -80 -176\n"
" -71 12 -105 67 -59 124\"/>\n"},
#define D_tclef 2
{ "<use id=\"tclef\" transform=\"translate(0,6) scale(0.045)\"\n"
" xlink:href=\"#utclef\"/>\n", D_utclef},
#define D_stclef 3
{ "<use id=\"stclef\" transform=\"translate(0,5.4) scale(0.037)\"\n"
" xlink:href=\"#utclef\"/>\n", D_utclef},
#define D_ubclef 4
{ "<path id=\"ubclef\" class=\"fill\" d=\"m-200 -87\n"
" c124 -35 222 -78 254 -236\n"
" 43 -228 -167 -246 -192 -103\n"
" 59 -80 157 22 92 78\n"
" -62 47 -115 -22 -106 -88\n"
" 21 -141 270 -136 274 52\n"
" -1 175 -106 264 -322 297\n"
" m357 -250\n"
" c0 -36 51 -34 51 0\n"
" 0 37 -51 36 -51 0\n"
" m-2 -129\n"
" c0 -36 51 -34 51 0\n"
" 0 38 -51 37 -51 0\"/>\n"},
#define D_bclef 5
{ "<use id=\"bclef\" transform=\"translate(0,18) scale(0.045)\"\n"
" xlink:href=\"#ubclef\"/>\n", D_ubclef},
#define D_sbclef 6
{ "<use id=\"sbclef\" transform=\"translate(0,14.5) scale(0.037)\"\n"
" xlink:href=\"#ubclef\"/>\n", D_ubclef},
#define D_ucclef 7
{ "<path id=\"ucclef\" class=\"fill\" d=\"\n"
" m-51 -264\n"
" v262\n"
" h-13\n"
" v-529\n"
" h13\n"
" v256\n"
" c25 -20 41 -36 63 -109\n"
" 14 31 13 51 56 70\n"
" 90 34 96 -266 -41 -185\n"
" 52 19 27 80 -11 77\n"
" -90 -38 33 -176 139 -69\n"
" 72 79 1 241 -134 186\n"
" l-16 39 16 38\n"
" c135 -55 206 107 134 186\n"
" -106 108 -229 -31 -139 -69\n"
" 38 -3 63 58 11 77\n"
" 137 81 131 -219 41 -185\n"
" -43 19 -45 30 -56 64\n"
" -22 -73 -38 -89 -63 -109\n"
" m-99 -267\n"
" h57\n"
" v529\n"
" h-57\n"
" v-529\"/>\n"},
#define D_cclef 8
{ "<use id=\"cclef\" transform=\"translate(0,12) scale(0.045)\"\n"
" xlink:href=\"#ucclef\"/>\n", D_ucclef},
#define D_scclef 9
{ "<use id=\"scclef\" transform=\"translate(0,9.5) scale(0.037)\"\n"
" xlink:href=\"#ucclef\"/>\n", D_ucclef},
#define D_pclef 10
{ "<path id=\"pclef\" d=\"m-2.7 9h5.4v-18h-5.4v18\" class=\"stroke\" stroke-width=\"1.4\"/>\n"},
#define D_hd 11
{ "<ellipse id=\"hd\" rx=\"4.1\" ry=\"2.9\"\n"
" transform=\"rotate(-20)\" class=\"fill\"/>\n"},
#define D_Hd 12
{ "<path id=\"Hd\" class=\"fill\" d=\"m3 -1.6\n"
" c-1 -1.8 -7 1.4 -6 3.2\n"
" 1 1.8 7 -1.4 6 -3.2\n"
" m0.5 -0.3\n"
" c2 3.8 -5 7.6 -7 3.8\n"
" -2 -3.8 5 -7.6 7 -3.8\"/>\n"},
#define D_HD 13
{ "<path id=\"HD\" class=\"fill\" d=\"m-2.7 -1.4\n"
" c1.5 -2.8 6.9 0 5.3 2.7\n"
" -1.5 2.8 -6.9 0 -5.3 -2.7\n"
" m8.3 1.4\n"
" c0 -1.5 -2.2 -3 -5.6 -3\n"
" -3.4 0 -5.6 1.5 -5.6 3\n"
" 0 1.5 2.2 3 5.6 3\n"
" 3.4 0 5.6 -1.5 5.6 -3\"/>\n"},
#define D_HDD 14
{ "<g id=\"HDD\">\n"
" <use xlink:href=\"#HD\"/>\n"
" <path d=\"m-6 -4v8m12 0v-8\" class=\"stroke\"/>\n"
"</g>\n", D_HD},
#define D_breve 15
{ "<g id=\"breve\" class=\"stroke\">\n"
" <path d=\"m-6 -2.7h12m0 5.4h-12\" stroke-width=\"2.5\"/>\n"
" <path d=\"m-6 -5v10m12 0v-10\"/>\n"
"</g>\n"},
#define D_longa 16
{ "<g id=\"longa\" class=\"stroke\">\n"
" <path d=\"m-6 2.7h12m0 -5.4h-12\" stroke-width=\"2.5\"/>\n"
" <path d=\"m-6 5v-10m12 0v16\"/>\n"
"</g>\n"},
#define D_ghd 17
{ "<path id=\"ghd\" class=\"fill\" d=\"m2.2 -1.5\n"
" c-1.32 -2.31 -5.94 0.33 -4.62 2.64\n"
" 1.32 2.31 5.94 -0.33 4.62 -2.64\"/>\n"},
#define D_r00 18
{ "<rect id=\"r00\" class=\"fill\"\n"
" x=\"-1.6\" y=\"-6\" width=\"3\" height=\"12\"/>\n"},
#define D_r0 19
{ "<rect id=\"r0\" class=\"fill\"\n"
" x=\"-1.6\" y=\"-6\" width=\"3\" height=\"6\"/>\n"},
#define D_r1 20
{ "<rect id=\"r1\" class=\"fill\"\n"
" x=\"-3.5\" y=\"-6\" width=\"7\" height=\"3\"/>\n"},
#define D_r2 21
{ "<rect id=\"r2\" class=\"fill\"\n"
" x=\"-3.5\" y=\"-3\" width=\"7\" height=\"3\"/>\n"},
#define D_r4 22
{ "<path id=\"r4\" class=\"fill\" d=\"m-1 -8.5\n"
" l3.6 5.1 -2.1 5.2 2.2 4.3\n"
" c-2.6 -2.3 -5.1 0 -2.4 2.6\n"
" -4.8 -3 -1.5 -6.9 1.4 -4.1\n"
" l-3.1 -4.5 1.9 -5.1 -1.5 -3.5\"/>\n"},
#define D_r8e 23
{ "<path id=\"r8e\" class=\"fill\" d=\"m 0 0\n"
" c-1.5 1.5 -2.4 2 -3.6 2\n"
" 2.4 -2.8 -2.8 -4 -2.8 -1.2\n"
" c0 2.7 4.3 2.4 5.9 0.6\"/>\n"},
#define D_r8 24
{ "<g id=\"r8\">\n"
" <path d=\"m3.3 -4l-3.4 9.6\" class=\"stroke\"/>\n"
" <use x=\"3.4\" y=\"-4\" xlink:href=\"#r8e\"/>\n"
"</g>\n", D_r8e},
#define D_r16 25
{ "<g id=\"r16\">\n"
" <path d=\"m3.3 -4l-4 15.6\" class=\"stroke\"/>\n"
" <use x=\"3.4\" y=\"-4\" xlink:href=\"#r8e\"/>\n"
" <use x=\"1.9\" y=\"2\" xlink:href=\"#r8e\"/>\n"
"</g>\n", D_r8e},
#define D_r32 26
{ "<g id=\"r32\">\n"
" <path d=\"m4.8 -10l-5.5 21.6\" class=\"stroke\"/>\n"
" <use x=\"4.9\" y=\"-10\" xlink:href=\"#r8e\"/>\n"
" <use x=\"3.4\" y=\"-4\" xlink:href=\"#r8e\"/>\n"
" <use x=\"1.9\" y=\"2\" xlink:href=\"#r8e\"/>\n"
"</g>\n", D_r8e},
#define D_r64 27
{ "<g id=\"r64\">\n"
" <path d=\"m4.8 -10 l-7 27.6\" class=\"stroke\"/>\n"
" <use x=\"4.9\" y=\"-10\" xlink:href=\"#r8e\"/>\n"
" <use x=\"3.4\" y=\"-4\" xlink:href=\"#r8e\"/>\n"
" <use x=\"1.9\" y=\"2\" xlink:href=\"#r8e\"/>\n"
" <use x=\"0.4\" y=\"8\" xlink:href=\"#r8e\"/>\n"
"</g>\n", D_r8e},
#define D_r128 28
{ "<g id=\"r128\">\n"
" <path d=\"m5.8 -16 l-8.5 33.6\" class=\"stroke\"/>\n"
" <use x=\"5.9\" y=\"-16\" xlink:href=\"#r8e\"/>\n"
" <use x=\"4.4\" y=\"-10\" xlink:href=\"#r8e\"/>\n"
" <use x=\"2.9\" y=\"-4\" xlink:href=\"#r8e\"/>\n"
" <use x=\"1.4\" y=\"2\" xlink:href=\"#r8e\"/>\n"
" <use x=\"0.1\" y=\"8\" xlink:href=\"#r8e\"/>\n"
"</g>\n", D_r8e},
#define D_mrest 29
{ "<g id=\"mrest\" class=\"stroke\">\n"
" <path d=\"m-20 6v-12m40 0v12\"/>\n"
" <path d=\"m-20 0h40\" stroke-width=\"5\"/>\n"
"</g>\n"},
#define D_usharp 30
{ "<path id=\"usharp\" class=\"fill\" d=\"\n"
" m136 -702\n"
" v890\n"
" h32\n"
" v-890\n"
" m128 840\n"
" h32\n"
" v-888\n"
" h-32\n"
" m-232 286\n"
" v116\n"
" l338 -96\n"
" v-116\n"
" m-338 442\n"
" v116\n"
" l338 -98\n"
" v-114\"/>\n"},
#define D_uflat 31
{ "<path id=\"uflat\" class=\"fill\" d=\"\n"
" m100 -746\n"
" h32\n"
" v734\n"
" l-32 4\n"
" m32 -332\n"
" c46 -72 152 -90 208 -20\n"
" 100 110 -120 326 -208 348\n"
" m0 -28\n"
" c54 0 200 -206 130 -290\n"
" -50 -60 -130 -4 -130 34\"/>\n"},
#define D_unat 32
{ "<path id=\"unat\" class=\"fill\" d=\"\n"
" m96 -750\n"
" h-32\n"
" v716\n"
" l32 -8\n"
" 182 -54\n"
" v282\n"
" h32\n"
" v-706\n"
" l-34 10\n"
" -180 50\n"
" v-290\n"
" m0 592\n"
" v-190\n"
" l182 -52\n"
" v188\"/>\n"},
#define D_udblesharp 33
{ "<path id=\"udblesharp\" class=\"fill\" d=\"\n"
" m240 -282\n"
" c40 -38 74 -68 158 -68\n"
" v-96\n"
" h-96\n"
" c0 84 -30 118 -68 156\n"
" -40 -38 -70 -72 -70 -156\n"
" h-96\n"
" v96\n"
" c86 0 120 30 158 68\n"
" -38 38 -72 68 -158 68\n"
" v96\n"
" h96\n"
" c0 -84 30 -118 70 -156\n"
" 38 38 68 72 68 156\n"
" h96\n"
" v-96\n"
" c-84 0 -118 -30 -158 -68\"/>\n"},
#define D_udbleflat 34
{ "<path id=\"udbleflat\" class=\"fill\" d=\"\n"
" m20 -746\n"
" h24\n"
" v734\n"
" l-24 4\n"
" m24 -332\n"
" c34 -72 114 -90 156 -20\n"
" 75 110 -98 326 -156 348\n"
" m0 -28\n"
" c40 0 150 -206 97 -290\n"
" -37 -60 -97 -4 -97 34\n"
" m226 -450\n"
" h24\n"
" v734\n"
" l-24 4\n"
" m24 -332\n"
" c34 -72 114 -90 156 -20\n"
" 75 110 -98 326 -156 348\n"
" m0 -28\n"
" c40 0 150 -206 97 -290\n"
" -37 -60 -97 -4 -97 34\"/>\n"},
#define D_sh0 35
{ "<use id=\"sh0\" transform=\"translate(-4,5) scale(0.018)\"\n"
" xlink:href=\"#usharp\"/>\n", D_usharp},
#define D_ft0 36
{ "<use id=\"ft0\" transform=\"translate(-3.5,3.5) scale(0.018)\"\n"
" xlink:href=\"#uflat\"/>\n", D_uflat},
#define D_nt0 37
{ "<use id=\"nt0\" transform=\"translate(-3,5) scale(0.018)\"\n"
" xlink:href=\"#unat\"/>\n", D_unat},
#define D_dsh0 38
{ "<use id=\"dsh0\" transform=\"translate(-4,5) scale(0.018)\"\n"
" xlink:href=\"#udblesharp\"/>\n", D_udblesharp},
#define D_dft0 39
{ "<use id=\"dft0\" transform=\"translate(-4,3.5) scale(0.018)\"\n"
" xlink:href=\"#udbleflat\"/>\n", D_udbleflat},
#define D_sh1 40
{ "<g id=\"sh1\">\n"
" <path d=\"M0 7.8v-15.4\" class=\"stroke\"/>\n"
" <path class=\"fill\" d=\"M-1.8 2.7l3.6 -1.1v2.2l-3.6 1.1v-2.2z\n"
" M-1.8 -3.7l3.6 -1.1v2.2l-3.6 1.1v-2.2\"/>\n"
"</g>\n"},
#define D_sh513 41
{ "<g id=\"sh513\">\n"
" <path d=\"M-2.5 8.7v-15.4M0 7.8v-15.4M2.5 6.9v-15.4\" class=\"stroke\"/>\n"
" <path class=\"fill\" d=\"M-3.7 3.1l7.4 -2.2v2.2l-7.4 2.2v-2.2z\n"
" M-3.7 -3.2l7.4 -2.2v2.2l-7.4 2.2v-2.2\"/>\n"
"</g>\n"},
#define D_ft1 42
{ "<g id=\"ft1\" transform=\"scale(-1,1)\">\n"
" <use xlink:href=\"#ft0\"/>\n"
"</g>\n", D_ft0},
#define D_ft513 43
{ "<g id=\"ft513\">\n"
" <path class=\"fill\" d=\"M0.6 -2.7\n"
" c-5.7 -3.1 -5.7 3.6 0 6.7c-3.9 -4 -4 -7.6 0 -5.8\n"
" M1 -2.7c5.7 -3.1 5.7 3.6 0 6.7c3.9 -4 4 -7.6 0 -5.8\"/>\n"
" <path d=\"M1.6 3.5v-13M0 3.5v-13\" class=\"stroke\" stroke-width=\".6\"/>\n"
"</g>\n"},
#define D_pshhd 44
{ "<g id=\"pshhd\">\n"
" <use xlink:href=\"#dsh0\"/>\n"
"</g>\n", D_dsh0},
#define D_pfthd 45
{ "<g id=\"pfthd\">\n"
" <use xlink:href=\"#dsh0\"/>\n"
" <circle r=\"4\" class=\"stroke\"/>\n"
"</g>\n", D_dsh0},
#define D_csig 46
{ "<path id=\"csig\" class=\"fill\" d=\"\n"
" m6 -5.3\n"
" c0.9 0 2.3 0.7 2.4 2.2\n"
" -1.2 -2 -3.6 0.1 -1.6 1.7\n"
" 2 1 3.8 -3.5 -0.8 -4.7\n"
" -2 -0.4 -6.4 1.3 -5.8 7\n"
" 0.4 6.4 7.9 6.8 9.1 0.7\n"
" -2.3 5.6 -6.7 5.1 -6.8 0\n"
" -0.5 -4.4 0.7 -7.5 3.5 -6.9\"/>\n"},
#define D_ctsig 47
{ "<g id=\"ctsig\">\n"
" <use xlink:href=\"#csig\"/>\n"
" <path d=\"m5 8v-16\" class=\"stroke\"/>\n"
"</g>\n", D_csig},
#define D_pmsig 48
{ "<path id=\"pmsig\" class=\"stroke\" stroke-width=\".8\"\n"
" d=\"M0 -7a5 5 0 0 1 0 -10a5 5 0 0 1 0 10\"/>\n"},
#define D_pMsig 49
{ "<g id=\"pMsig\">\n"
" <use xlink:href=\"#pmsig\"/>\n"
" <path class=\"fill\" d=\"M0 -10a2 2 0 0 1 0 -4a2 2 0 0 1 0 4\"/>\n"
"</g>\n", D_pmsig},
#define D_imsig 50
{ "<path id=\"imsig\" class=\"stroke\" stroke-width=\".8\"\n"
" d=\"M3 -8a5 5 0 1 1 0 -8\"/>\n"},
#define D_iMsig 51
{ "<g id=\"iMsig\">\n"
" <use xlink:href=\"#imsig\"/>\n"
" <path class=\"fill\" d=\"M0 -10a2 2 0 0 1 0 -4a2 2 0 0 1 0 4\"/>\n"
"</g>\n", D_imsig},
#define D_hl 52
{ "<path id=\"hl\" class=\"stroke\" d=\"m-6 0h12\"/>\n"},
#define D_hl1 53
{ "<path id=\"hl1\" class=\"stroke\" d=\"m-7 0h14\"/>\n"},
#define D_hl2 54
{ "<path id=\"hl2\" class=\"stroke\" d=\"m-9 0h18\"/>\n"},
#define D_ghl 55
{ "<path id=\"ghl\" class=\"stroke\" d=\"m-3.5 0h7\"/>\n"},
#define D_rdots 56
{ "<g id=\"rdots\" class=\"fill\">\n"
" <circle cx=\"0\" cy=\"-9\" r=\"1.2\"/>\n"
" <circle cx=\"0\" cy=\"-15\" r=\"1.2\"/>\n"
"</g>\n"},
#define D_srep 57
{ "<path id=\"srep\" class=\"fill\" d=\"M-1 6l11 -12h3l-11 12h-3\"/>\n"},
#define D_mrep 58
{ "<path id=\"mrep\" class=\"fill\"\n"
" d=\"M-5 -4.5a1.5 1.5 0 0 1 0 3a1.5 1.5 0 0 1 0 -3\n"
" M4.5 2a1.5 1.5 0 0 1 0 3a1.5 1.5 0 0 1 0 -3\n"
" M-7 6l11 -12h3l-11 12h-3\"/>\n"},
#define D_mrep2 59
{ "<g id=\"mrep2\" class=\"fill\">\n"
" <path d=\"M-5.5 -7.5a1.5 1.5 0 0 1 0 3a1.5 1.5 0 0 1 0 -3\n"
" M5 4.5a1.5 1.5 0 0 1 0 3a1.5 1.5 0 0 1 0 -3\"/>\n"
" <path d=\"M-7 8l14 -10m-14 4l14 -10\" class=\"stroke\" stroke-width=\"1.8\"/>\n"
"</g>\n"},
#define D_accent 60
{ "<g id=\"accent\" class=\"stroke\" stroke-width=\"1.2\">\n"
" <path d=\"m-4 0l8 -2l-8 -2\"/>\n"
"</g>\n"},
#define D_umrd 61
{ "<path id=\"umrd\" class=\"fill\" d=\"m0 -4\n"
" l2.2 -2.2 2.1 2.9 0.7 -0.7 0.2 0.2\n"
" -2.2 2.2 -2.1 -2.9 -0.7 0.7\n"
" -2.2 2.2 -2.1 -2.9 -0.7 0.7 -0.2 -0.2\n"
" 2.2 -2.2 2.1 2.9 0.7 -0.7\"/>\n"},
#define D_lmrd 62
{ "<g id=\"lmrd\">\n"
" <use xlink:href=\"#umrd\"/>\n"
" <line x1=\"0\" y1=\"0\" x2=\"0\" y2=\"-8\" class=\"stroke\" stroke-width=\".6\"/>\n"
"</g>\n", D_umrd},
#define D_grm 63
{ "<path id=\"grm\" class=\"fill\" d=\"\n"
" m-5 -2.5\n"
" c5 -8.5 5.5 4.5 10 -2\n"
" -5 8.5 -5.5 -4.5 -10 2\"/>\n"},
#define D_stc 64
{ "<circle id=\"stc\" class=\"fill\" cx=\"0\" cy=\"-3\" r=\"1.2\"/>\n"},
#define D_sld 65
{ "<path id=\"sld\" class=\"fill\" d=\"\n"
" m-7.2 4.8\n"
" c1.8 0.7 4.5 -0.2 7.2 -4.8\n"
" -2.1 5 -5.4 6.8 -7.6 6\"/>\n"},
#define D_emb 66
{ "<path id=\"emb\" d=\"m-2.5 -3h5\" class=\"stroke\" stroke-width=\"1.2\" stroke-linecap=\"round\"/>\n"},
#define D_hld 67
{ "<g id=\"hld\" class=\"fill\">\n"
" <circle cx=\"0\" cy=\"-3\" r=\"1.3\"/>\n"
" <path d=\"m-7.5 -1.5\n"
" c0 -11.5 15 -11.5 15 0\n"
" h-0.25\n"
" c-1.25 -9 -13.25 -9 -14.5 0\"/>\n"
"</g>\n"},
#define D_cpu 68
{ "<path id=\"cpu\" class=\"fill\" d=\"\n"
" m-6 0\n"
" c0.4 -7.3 11.3 -7.3 11.7 0\n"
" c-1.3 -6 -10.4 -6 -11.7 0\"/>\n"},
#define D_upb 69
{ "<path id=\"upb\" class=\"stroke\" d=\"\n"
" m-2.6 -9.4\n"
" l2.6 8.8\n"
" 2.6 -8.8\"/>\n"},
#define D_dnb 70
{ "<g id=\"dnb\">\n"
" <path d=\"M-3.2 -2v-7.2m6.4 0v7.2\" class=\"stroke\"/>\n"
" <path d=\"M-3.2 -6.8v-2.4l6.4 0v2.4\" class=\"fill\"/>\n"
"</g>\n"},
#define D_sgno 71
{ "<g id=\"sgno\">\n"
" <path class=\"fill\" d=\"m0 -3\n"
" c1.5 1.7 6.4 -0.3 3 -3.7\n"
" -10.4 -7.8 -8 -10.6 -6.5 -11.9\n"
" 4 -1.9 5.9 1.7 4.2 2.6\n"
" -1.3 0.7 -2.9 -1.3 -0.7 -2\n"
" -1.5 -1.7 -6.4 0.3 -3 3.7\n"
" 10.4 7.8 8 10.6 6.5 11.9\n"
" -4 1.9 -5.9 -1.7 -4.2 -2.6\n"
" 1.3 -0.7 2.9 1.3 0.7 2\"/>\n"
" <line x1=\"-6\" y1=\"-4.2\" x2=\"6.6\" y2=\"-16.8\" class=\"stroke\"/>\n"
" <circle cx=\"-6\" cy=\"-10\" r=\"1.2\"/>\n"
" <circle cx=\"6\" cy=\"-11\" r=\"1.2\"/>\n"
"</g>\n"},
#define D_coda 72
{ "<g id=\"coda\" class=\"stroke\">\n"
" <path d=\"m0 -2v-20m-10 10h20\"/>\n"
" <circle cx=\"0\" cy=\"-12\" r=\"6\" stroke-width=\"1.7\"/>\n"
"</g>\n"},
#define D_dplus 73
{ "<path id=\"dplus\" class=\"stroke\" stroke-width=\"1.7\"\n"
" d=\"m0 -0.5v-6m-3 3h6\"/>\n"},
#define D_lphr 74
{ "<path id=\"lphr\" class=\"stroke\" stroke-width=\"1.2\"\n"
" d=\"m0 0v18\"/>\n"},
#define D_mphr 75
{ "<path id=\"mphr\" class=\"stroke\" stroke-width=\"1.2\"\n"
" d=\"m0 0v12\"/>\n"},
#define D_sphr 76
{ "<path id=\"sphr\" class=\"stroke\" stroke-width=\"1.2\"\n"
" d=\"m0 0v6\"/>\n"},
#define D_opend 77
{ "<circle id=\"opend\" class=\"stroke\"\n"
" cx=\"0\" cy=\"-3\" r=\"2.5\"/>\n"},
#define D_snap 78
{ "<path id=\"snap\" class=\"stroke\"\n"
" d=\"M-3 -6\n"
" c0 -5 6 -5 6 0\n"
" c0 5 -6 5 -6 0\n"
" M0 -5v6\"/>\n"},
#define D_thumb 79
{ "<path id=\"thumb\" class=\"stroke\"\n"
" d=\"M-2.5 -7\n"
" c0 -6 5 -6 5 0\n"
" c0 6 -5 6 -5 0\n"
" M-2.5 -9v4\"/>\n"},
#define D_turn 80
{ "<path id=\"turn\" class=\"fill\" d=\"\n"
" m5.2 -8\n"
" c1.4 0.5 0.9 4.8 -2.2 2.8\n"
" l-4.8 -3.5\n"
" c-3 -2 -5.8 1.8 -3.6 4.4\n"
" 1 1.1 2 0.8 2.1 -0.1\n"
" 0.1 -0.9 -0.7 -1.2 -1.9 -0.6\n"
" -1.4 -0.5 -0.9 -4.8 2.2 -2.8\n"
" l4.8 3.5\n"
" c3 2 5.8 -1.8 3.6 -4.4\n"
" -1 -1.1 -2 -0.8 -2.1 0.1\n"
" -0.1 0.9 0.7 1.2 1.9 0.6\"/>\n"},
#define D_turnx 81
{ "<g id=\"turnx\">\n"
" <use xlink:href=\"#turn\"/>\n"
" <path d=\"M0 -1.5v-9\" class=\"stroke\"/>\n"
"</g>\n", D_turn},
#define D_wedge 82
{ "<path id=\"wedge\" class=\"fill\" d=\"M0 -1l-1.5 -5h3l-1.5 5\"/>\n"},
#define D_ltr 83
{ "<path id=\"ltr\" class=\"fill\"\n"
" d=\"m0 -0.4c2 -1.5 3.4 -1.9 3.9 0.4\n"
" c0.2 0.8 0.7 0.7 2.1 -0.4\n"
" v0.8c-2 1.5 -3.4 1.9 -3.9 -0.4\n"
" c-0.2 -0.8 -0.7 -0.7 -2.1 0.4z\"/>\n"},
#define D_custos 84
{ "<g id=\"custos\">\n"
" <path d=\"M-4 0l2 2.5l2 -2.5l2 2.5l2 -2.5\n"
" l-2 -2.5l-2 2.5l-2 -2.5l-2 2.5\" class=\"fill\"/>\n"
" <path d=\"M3.5 0l5 -7\" class=\"stroke\"/>\n"
"</g>\n"},
#define D_showerror 85
{ "<circle id=\"showerror\" r=\"30\" stroke=\"#ffc0c0\" stroke-width=\"2.5\" fill=\"none\"/>\n"},
#define D_sfz 86
{ "<text id=\"sfz\" style=\"font:italic 14px serif\"\n"
" x=\"-5\" y=\"-7\">s<tspan\n"
" font-size=\"16\" font-weight=\"bold\">f</tspan>z</text>\n"},
#define D_trl 87
{ "<text id=\"trl\" style=\"font:italic bold 16px serif\"\n"
" x=\"-2\" y=\"-4\">tr</text>\n"},
#define D_marcato 88
{ "<path id=\"marcato\" d=\"m-3 0l3 -7l3 7l-1.5 0l-1.8 -4.2l-1.7 4.2\"/>\n"},
#define D_ped 89
{ "<text id=\"ped\" font-family=\"serif\" font-size=\"16\" font-style=\"italic\"\n"
" x=\"-10\" y=\"-4\">Ped</text>\n"},
#define D_pedoff 90
{ "<text id=\"pedoff\" font-family=\"serif\" font-size=\"16\" font-style=\"italic\"\n"
" x=\"-5\" y=\"-4\">*</text>\n"},
};
static struct {
int index;
char *def;
} font_gl[] = {
{D_brace,
"<text id=\"brace\" class=\"music\" x=\"-3\" y=\"0\"\n"
" transform=\"scale(3,-4.2)\"></text>\n"},
{D_sgno,
"<text id=\"sgno\" class=\"music\" x=\"-6\" y=\"-4\"></text>\n"},
{D_coda,
"<text id=\"coda\" class=\"music\" x=\"-12\" y=\"-6\"></text>\n"},
{D_tclef,
"<text id=\"tclef\" class=\"music\" x=\"-8\" y=\"0\"></text>\n"},
{D_cclef,
"<text id=\"cclef\" class=\"music\" x=\"-7\" y=\"0\"></text>\n"},
{D_bclef,
"<text id=\"bclef\" class=\"music\" x=\"-7\" y=\"0\"></text>\n"},
{D_pclef,
"<text id=\"pclef\" class=\"music\" x=\"-6\" y=\"0\"></text>\n"},
{D_stclef,
"<text id=\"stclef\" class=\"music\" x=\"-8\" y=\"0\"></text>\n"},
{D_scclef,
"<text id=\"scclef\" class=\"music\" x=\"-8\" y=\"0\"></text>\n"},
{D_sbclef,
"<text id=\"sbclef\" class=\"music\" x=\"-7\" y=\"0\"></text>\n"},
{D_csig,
"<text id=\"csig\" class=\"music\" x=\"0\" y=\"0\"></text>\n"},
{D_ctsig,
"<text id=\"ctsig\" class=\"music\" x=\"0\" y=\"0\"></text>\n"},
{D_HDD,
"<text id=\"HDD\" class=\"music\" x=\"-7\" y=\"0\"></text>\n"},
{D_breve,
"<text id=\"breve\" class=\"music\" x=\"-6\" y=\"0\"></text>\n"},
{D_HD,
"<text id=\"HD\" class=\"music\" x=\"-5.2\" y=\"0\"></text>\n"},
{D_Hd,
"<text id=\"Hd\" class=\"music\" x=\"-3.8\" y=\"0\"></text>\n"},
{D_hd,
"<text id=\"hd\" class=\"music\" x=\"-3.7\" y=\"0\"></text>\n"},
{D_ft0,
"<text id=\"ft0\" class=\"music\" x=\"-3\" y=\"0\"></text>\n"},
{D_nt0,
"<text id=\"nt0\" class=\"music\" x=\"-2\" y=\"0\"></text>\n"},
{D_sh0,
"<text id=\"sh0\" class=\"music\" x=\"-3\" y=\"0\"></text>\n"},
{D_dsh0,
"<text id=\"dsh0\" class=\"music\" x=\"-3\" y=\"0\"></text>\n"},
{D_pshhd,
"<text id=\"pshhd\" class=\"music\" x=\"-3\" y=\"0\"></text>\n"},
{D_dft0,
"<text id=\"dft0\" class=\"music\" x=\"-3\" y=\"0\"></text>\n"},
{D_accent,
"<text id=\"accent\" class=\"music\" x=\"-3\" y=\"0\"></text>\n"},
{D_marcato,
"<text id=\"marcato\" class=\"music\" x=\"-3\" y=\"0\"></text>\n"},
{D_hld,
"<text id=\"hld\" class=\"music\" x=\"-7\" y=\"0\"></text>\n"},
{D_r00,
"<text id=\"r00\" class=\"music\" x=\"-1.5\" y=\"0\"></text>\n"},
{D_r0,
"<text id=\"r0\" class=\"music\" x=\"-1.5\" y=\"0\"></text>\n"},
{D_r1,
"<text id=\"r1\" class=\"music\" x=\"-3.5\" y=\"-6\"></text>\n"},
{D_r2,
"<text id=\"r2\" class=\"music\" x=\"-3.2\" y=\"0\"></text>\n"},
{D_r4,
"<text id=\"r4\" class=\"music\" x=\"-3\" y=\"0\"></text>\n"},
{D_r8,
"<text id=\"r8\" class=\"music\" x=\"-3\" y=\"0\"></text>\n"},
{D_r16,
"<text id=\"r16\" class=\"music\" x=\"-4\" y=\"0\"></text>\n"},
{D_r32,
"<text id=\"r32\" class=\"music\" x=\"-4\" y=\"0\"></text>\n"},
{D_r64,
"<text id=\"r64\" class=\"music\" x=\"-4\" y=\"0\"></text>\n"},
{D_r128,
"<text id=\"r128\" class=\"music\" x=\"-4\" y=\"0\"></text>\n"},
{D_mrest,
"<text id=\"mrest\" class=\"music\" x=\"-10\" y=\"0\"></text>\n"},
{D_mrep,
"<text id=\"mrep\" class=\"music\" x=\"-6\" y=\"0\"></text>\n"},
{D_mrep2,
"<text id=\"mrep2\" class=\"music\" x=\"-9\" y=\"0\"></text>\n"},
{D_turn,
"<text id=\"turn\" class=\"music\" x=\"-4\" y=\"0\"></text>\n"},
{D_umrd,
"<text id=\"umrd\" class=\"music\" x=\"-7\" y=\"-2\"></text>\n"},
{D_lmrd,
"<text id=\"lmrd\" class=\"music\" x=\"-7\" y=\"-2\"></text>\n"},
{D_ped,
"<text id=\"ped\" class=\"music\" x=\"-10\" y=\"0\"></text>\n"},
{D_pedoff,
"<text id=\"pedoff\" class=\"music\" x=\"-6\" y=\"0\"></text>\n"},
{D_longa,
"<text id=\"longa\" class=\"music\" x=\"-6\" y=\"0\"></text>\n"},
};
// switch to a music font
void svg_font_switch(void)
{
int i, j;
for (i = 0; i < sizeof font_gl / sizeof font_gl[0]; i++) {
j = font_gl[i].index;
def_tb[j].def = font_gl[i].def;
def_tb[j].use = 0;
}
}
/* PS functions */
static void ps_exec(char *op);
static void elts_link(struct elt_s *e)
{
int i;
/* set the linkages - the first element is the link to the next block */
for (i = 1; i < NELTS - 1; i++) {
e[i].next = &e[i + 1];
if (e[i].type == STR)
free(e[i].u.s);
e[i].type = VAL;
}
e[NELTS - 1].next = NULL;
}
/* (re)initialize all PS elements */
static void elts_reset(void)
{
struct elt_s *e;
if (!elts)
elts = calloc(sizeof *elts, NELTS);
elts_link(elts);
free_elt = elts + 1;
/* link all blocks */
for (e = elts; e->u.e; e = e->u.e) {
elts_link(e->u.e);
e[NELTS - 1].next = e->u.e;
}
}
static struct elt_s *elt_new(void)
{
struct elt_s *e;
e = free_elt;
if (!e) {
e = calloc(sizeof *e, NELTS);
if (!e) {
fprintf(stderr, "svg: elt_new out of memory\n");
ps_error = 1;
return e;
}
elts_link(e);
e->u.e = elts;
elts = e;
e++;
}
free_elt = e->next;
e->next = NULL;
e->type = VAL;
return e;
}
static void elt_free(struct elt_s *e)
{
struct elt_s *e2;
e->next = free_elt;
free_elt = e;
switch (e->type) {
case STR:
free(e->u.s);
e->type = VAL;
e->u.v = 0;
break;
case SEQ:
case BRK:
e2 = e->u.e;
e->type = VAL;
e->u.v = 0;
while (e2) {
e = e2->next;
elt_free(e2);
e2 = e;
}
break;
}
}
static struct elt_s *elt_dup(struct elt_s *e)
{
struct elt_s *e2, *e3, *e4;
e2 = elt_new();
if (!e2)
return e2;
e2->type = e->type;
switch (e->type) {
case VAL:
e2->u.v = e->u.v;
break;
case STR:
e2->u.s = strdup(e->u.s);
break;
case SEQ:
case BRK:
e = e->u.e;
if (!e) {
e2->u.e = NULL;
break;
}
e3 = e2->u.e = elt_dup(e);
if (!e3)
break;
for (;;) {
e = e->next;
if (!e)
break;
e4 = elt_dup(e);
if (!e4)
break;
e3->next = e4;
e3 = e4;
}
e3->next = NULL;
break;
}
return e2;
}
static void elt_dump(struct elt_s *e)
{
int type;
type = e->type;
switch (type) {
case VAL:
fprintf(stderr, " %.2f", e->u.v);
break;
case STR:
fprintf(stderr, " %s", e->u.s);
if (e->u.s[0] == '(')
fprintf(stderr, ")");
break;
case SEQ:
case BRK:
fprintf(stderr, type == SEQ ? " {" : " [");
e = e->u.e;
while (e) {
elt_dump(e);
e = e->next;
}
fprintf(stderr, type == SEQ ? " }" : " ]");
}
}
static void elt_lst_dump(struct elt_s *e)
{
do {
elt_dump(e);
e = e->next;
} while (e);
}
static struct ps_sym_s *ps_sym_lookup(char *name)
{
struct ps_sym_s *ps;
if (n_sym == 0)
return NULL;
ps = &ps_sym[n_sym];
for (;;) {
ps--;
if (strcmp(ps->n, name) == 0)
break;
if (ps == ps_sym)
return NULL;
}
return ps;
}
static struct ps_sym_s *ps_sym_def(char *name, struct elt_s *e)
{
struct ps_sym_s *ps;
ps = ps_sym_lookup(name);
if (ps) {
elt_free(ps->e);
} else {
if (n_sym >= NSYMS) {
fprintf(stderr, "svg: Too many PS symbols\n");
ps_error = 1;
return NULL;
}
ps = &ps_sym[n_sym++];
ps->n = strdup(name);
}
ps->e = e;
ps->exec = 0;
return ps;
}
static void push(struct elt_s *e)
{
e->next = stack;
stack = e;
}
static void stack_dump(void)
{
fprintf(stderr, "stack:");
if (stack)
elt_lst_dump(stack);
else
fprintf(stderr, "(empty)");
fprintf(stderr, "\n");
}
static struct elt_s *pop(int type)
{
struct elt_s *e;
e = stack;
if (!e) {
fprintf(stderr, "svg pop: Stack empty\n");
ps_error = 1;
return NULL;
}
if (e->type != type) {
fprintf(stderr, "svg pop: Bad element type %d != %d\n",
e->type, type);
stack_dump();
ps_error = 1;
return NULL;
}
stack = e->next;
return e;
}
static float pop_free_val(void)
{
struct elt_s *e;
e = pop(VAL);
if (!e)
return 0;
e->next = free_elt;
free_elt = e;
return e->u.v;
}
static char *pop_free_str(void)
{
struct elt_s *e;
char *s;
e = pop(STR);
if (!e)
return NULL;
s = e->u.s;
e->type = VAL;
e->next = free_elt;
free_elt = e;
return s;
}
/* PS condition code */
#define C_EQ 0
#define C_NE 1
#define C_GT 2
#define C_GE 3
#define C_LT 4
#define C_LE 5
static void cond(int type)
{
float v;
char *s, *s2;