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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) 1998-2014 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
*/
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#include "abc2ps.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 -- */
//jfm test
#define NELTS 2048 /* number of elements per block */
//#define NSYMS 128 /* max number of symbols */
#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 float cx, cy; /* current point */
static char *path;
static char path_buf[256];
static float xoffs, yoffs;
/* graphical context */
#define DLW 0.7 /* default line width */
static struct gc {
float xscale, yscale;
char font_n[64];
float font_s;
float linewidth, rotate;
int rgb;
char dash[64];
} gcur, gold;
static float x_rot, y_rot; /* save x and y offset when rotate != 0 */
static struct {
struct gc gc;
float cx, cy;
float xoffs, yoffs;
float x_rot, y_rot;
} gsave[8];
static int nsave;
static int g; /* current container */
static int boxend;
/* abcm2ps definitions */
static struct {
char *def;
char use;
char defined;
} def_tb[] = {
#define D_brace 0
{ "<path id=\"brace\" fill=\"currentColor\" d=\"m-2.5 101\n"
" c-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"
" c7.4 2.4 7.3 14.2 3.5 29.5\n"
" c-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"
" c7.4 -2.4 7.3 -14.2 3.5 -29.5\n"
" c-2.7 -9.5 -1.5 -16.2 3 -21.5\"/>\n"},
#define D_utclef 1
{ "<path id=\"utclef\" fill=\"currentColor\" d=\"m-50 -90\n"
" c-72 -41 -72 -158 52 -188\n"
" c150 -10 220 188 90 256\n"
" c-114 52 -275 0 -293 -136\n"
" c-15 -181 93 -229 220 -334\n"
" c88 -87 79 -133 62 -210\n"
" c-51 33 -94 105 -89 186\n"
" c17 267 36 374 49 574\n"
" c6 96 -19 134 -77 135\n"
" c-80 1 -126 -93 -61 -133\n"
" c85 -41 133 101 31 105\n"
" c23 17 92 37 90 -92\n"
" c-10 -223 -39 -342 -50 -617\n"
" c0 -90 0 -162 96 -232\n"
" c56 72 63 230 22 289\n"
" c-74 106 -257 168 -255 316\n"
" c9 153 148 185 252 133\n"
" c86 -65 29 -192 -80 -176\n"
" c-71 12 -105 67 -59 124\"/>\n"},
#define D_tclef 2
{ "<use id=\"tclef\" transform=\"scale(0.045)\"\n"
" xlink:href=\"#utclef\"/>\n", D_utclef},
#define D_stclef 3
{ "<use id=\"stclef\" transform=\"translate(0,-0.6) scale(0.037)\"\n"
" xlink:href=\"#utclef\"/>\n", D_utclef},
#define D_ubclef 4
{ "<path id=\"ubclef\" fill=\"currentColor\" d=\"m-200 -87\n"
" c124 -35 222 -78 254 -236\n"
" c43 -228 -167 -246 -192 -103\n"
" c59 -80 157 22 92 78\n"
" c-62 47 -115 -22 -106 -88\n"
" c21 -141 270 -136 274 52\n"
" c-1 175 -106 264 -322 297\n"
" m357 -250\n"
" c0 -36 51 -34 51 0\n"
" c0 37 -51 36 -51 0\n"
" m-2 -129\n"
" c0 -36 51 -34 51 0\n"
" c0 38 -51 37 -51 0\"/>\n"},
#define D_bclef 5
{ "<use id=\"bclef\" transform=\"scale(0.045)\"\n"
" xlink:href=\"#ubclef\"/>\n", D_ubclef},
#define D_sbclef 6
{ "<use id=\"sbclef\" transform=\"translate(0,-3.5) scale(0.037)\"\n"
" xlink:href=\"#ubclef\"/>\n", D_ubclef},
#define D_ucclef 7
{ "<path id=\"ucclef\" fill=\"currentColor\" 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"
" c14 31 13 51 56 70\n"
" c90 34 96 -266 -41 -185\n"
" c52 19 27 80 -11 77\n"
" c-90 -38 33 -176 139 -69\n"
" c72 79 1 241 -134 186\n"
" l-16 39 16 38\n"
" c135 -55 206 107 134 186\n"
" c-106 108 -229 -31 -139 -69\n"
" c38 -3 63 58 11 77\n"
" c137 81 131 -219 41 -185\n"
" c-43 19 -45 30 -56 64\n"
" c-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=\"scale(0.045)\"\n"
" xlink:href=\"#ucclef\"/>\n", D_ucclef},
#define D_scclef 9
{ "<use id=\"scclef\" transform=\"translate(0,-2) scale(0.037)\"\n"
" xlink:href=\"#ucclef\"/>\n", D_ucclef},
#define D_pclef 10
{ "<path id=\"pclef\" d=\"m-2.7 -2h5.4v-20h-5.4v20\" stroke=\"currentColor\" fill=\"none\" stroke-width=\"1.4\"/>\n"},
#define D_hd 11
{ "<ellipse id=\"hd\" rx=\"4.1\" ry=\"2.9\"\n"
" transform=\"rotate(-20)\" fill=\"currentColor\"/>\n"},
#define D_Hd 12
{ "<path id=\"Hd\" fill=\"currentColor\" d=\"m3 -1.6\n"
" c-1 -1.8 -7 1.4 -6 3.2\n"
" c1 1.8 7 -1.4 6 -3.2\n"
" m0.5 -0.3\n"
" c2 3.8 -5 7.6 -7 3.8\n"
" c-2 -3.8 5 -7.6 7 -3.8\"/>\n"},
#define D_HD 13
{ "<path id=\"HD\" fill=\"currentColor\" d=\"m-2.7 -1.4\n"
" c1.5 -2.8 6.9 0 5.3 2.7\n"
" c-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"
" c-3.4 0 -5.6 1.5 -5.6 3\n"
" c0 1.5 2.2 3 5.6 3\n"
" c3.4 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\" stroke=\"currentColor\" fill=\"none\"/>\n"
"</g>\n", D_HD},
#define D_breve 15
{ "<g id=\"breve\" stroke=\"currentColor\" fill=\"none\">\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\" stroke=\"currentColor\" fill=\"none\">\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\" fill=\"currentColor\" d=\"m1.7 -1\n"
" c-1 -1.7 -4.5 0.2 -3.4 2\n"
" c1 1.7 4.5 -0.2 3.4 -2\"/>\n"},
#define D_r00 18
{ "<rect id=\"r00\" fill=\"currentColor\"\n"
" x=\"-1.6\" y=\"-6\" width=\"3\" height=\"12\"/>\n"},
#define D_r0 19
{ "<rect id=\"r0\" fill=\"currentColor\"\n"
" x=\"-1.6\" y=\"-6\" width=\"3\" height=\"6\"/>\n"},
#define D_r1 20
{ "<rect id=\"r1\" fill=\"currentColor\"\n"
" x=\"-3.5\" y=\"-6\" width=\"7\" height=\"3\"/>\n"},
#define D_r2 21
{ "<rect id=\"r2\" fill=\"currentColor\"\n"
" x=\"-3.5\" y=\"-3\" width=\"7\" height=\"3\"/>\n"},
#define D_r4 22
{ "<path id=\"r4\" fill=\"currentColor\" 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"
" c-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\" fill=\"currentColor\" d=\"m 0 0\n"
" c-1.5 1.5 -2.4 2 -3.6 2\n"
" c2.4 -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\" stroke=\"currentColor\" fill=\"none\"/>\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\" stroke=\"currentColor\" fill=\"none\"/>\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\" stroke=\"currentColor\" fill=\"none\"/>\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\" stroke=\"currentColor\" fill=\"none\"/>\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\" stroke=\"currentColor\" fill=\"none\"/>\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\">\n"
" <path d=\"m-20 -6v-12m40 0v12\" stroke=\"currentColor\" fill=\"none\"/>\n"
" <path d=\"m-20 -12h40\" stroke=\"currentColor\" stroke-width=\"5\" fill=\"none\"/>\n"
"</g>\n"},
#define D_usharp 30
{ "<path id=\"usharp\" fill=\"currentColor\" 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\" fill=\"currentColor\" d=\"\n"
" m100 -746\n"
" h32\n"
" v734\n"
" l-32 4\n"
" m32 -332\n"
" c46 -72 152 -90 208 -20\n"
" c100 110 -120 326 -208 348\n"
" m0 -28\n"
" c54 0 200 -206 130 -290\n"
" c-50 -60 -130 -4 -130 34\"/>\n"},
#define D_unat 32
{ "<path id=\"unat\" fill=\"currentColor\" d=\"\n"
" m96 -750\n"
" h-32\n"
" v716\n"
" l32 -8\n"
" l182 -54\n"
" v282\n"
" h32\n"
" v-706\n"
" l-34 10\n"
" l-180 50\n"
" v-290\n"
" m0 592\n"
" v-190\n"
" l182 -52\n"
" v188\"/>\n"},
#define D_udblesharp 33
{ "<path id=\"udblesharp\" fill=\"currentColor\" 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"
" c-40 -38 -70 -72 -70 -156\n"
" h-96\n"
" v96\n"
" c86 0 120 30 158 68\n"
" c-38 38 -72 68 -158 68\n"
" v96\n"
" h96\n"
" c0 -84 30 -118 70 -156\n"
" c38 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\" fill=\"currentColor\" d=\"\n"
" m20 -746\n"
" h24\n"
" v734\n"
" l-24 4\n"
" m24 -332\n"
" c34 -72 114 -90 156 -20\n"
" c75 110 -98 326 -156 348\n"
" m0 -28\n"
" c40 0 150 -206 97 -290\n"
" c-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"
" c75 110 -98 326 -156 348\n"
" m0 -28\n"
" c40 0 150 -206 97 -290\n"
" c-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\" stroke=\"currentColor\" fill=\"none\"/>\n"
" <path fill=\"currentColor\" 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\" stroke=\"currentColor\" fill=\"none\"/>\n"
" <path fill=\"currentColor\" 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 fill=\"currentColor\" 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\" stroke=\"currentColor\" fill=\"none\" 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\" stroke=\"currentColor\" fill=\"none\"/>\n"
"</g>\n", D_dsh0},
#define D_csig 46
{ "<path id=\"csig\" fill=\"currentColor\" d=\"\n"
" m1 -17.3\n"
" c0.9 0 2.3 0.7 2.4 2.2\n"
" c-1.2 -2 -3.6 0.1 -1.6 1.7\n"
" c2 1 3.8 -3.5 -0.8 -4.7\n"
" c-2 -0.4 -6.4 1.3 -5.8 7\n"
" c0.4 6.4 7.9 6.8 9.1 0.7\n"
" c-2.3 5.6 -6.7 5.1 -6.8 0\n"
" c-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=\"m0 -4v-16\" stroke=\"currentColor\"/>\n"
"</g>\n", D_csig},
#define D_pmsig 48
{ "<path id=\"pmsig\" stroke=\"currentColor\" stroke-width=\"0.8\" fill=\"none\"\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 fill=\"currentColor\" 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\" stroke=\"currentColor\" stroke-width=\"0.8\" fill=\"none\"\n"
" d=\"M0 -7a5 5 0 1 1 0 -10\"/>\n"},
#define D_iMsig 51
{ "<g id=\"iMsig\">\n"
" <use xlink:href=\"#imsig\"/>\n"
" <path fill=\"currentColor\" 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\" stroke=\"currentColor\" d=\"m-6 0h12\"/>\n"},
#define D_hl1 53
{ "<path id=\"hl1\" stroke=\"currentColor\" d=\"m-7 0h14\"/>\n"},
#define D_hl2 54
{ "<path id=\"hl2\" stroke=\"currentColor\" d=\"m-9 0h18\"/>\n"},
#define D_ghl 55
{ "<path id=\"ghl\" stroke=\"currentColor\" fill=\"none\" d=\"m-3 0h6\"/>\n"},
#define D_rdots 56
{ "<g id=\"rdots\" fill=\"currentColor\">\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\" fill=\"currentColor\" d=\"M-1 -6l11 -12h3l-11 12h-3\"/>\n"},
#define D_mrep 58
{ "<path id=\"mrep\" fill=\"currentColor\"\n"
" d=\"M-5 -16.5a1.5 1.5 0 0 1 0 3a1.5 1.5 0 0 1 0 -3\n"
" M4.5 -10a1.5 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\" fill=\"currentColor\">\n"
" <path d=\"M-5.5 -19.5a1.5 1.5 0 0 1 0 3a1.5 1.5 0 0 1 0 -3\n"
" M5 -7.5a1.5 1.5 0 0 1 0 3a1.5 1.5 0 0 1 0 -3\"/>\n"
" <path d=\"M-7 -4l14 -10m-14 4l14 -10\" stroke=\"currentColor\" stroke-width=\"1.8\" fill=\"none\"/>\n"
"</g>\n"},
#define D_accent 60
{ "<g id=\"accent\" stroke=\"currentColor\" fill=\"none\">\n"
" <path d=\"m-4 0l8 -2l-8 -2\" stroke-width=\"1.2\"/>\n"
"</g>\n"},
#define D_umrd 61
{ "<path id=\"umrd\" fill=\"currentColor\" 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\" stroke=\"currentColor\" stroke-width=\".6\"/>\n"
"</g>\n", D_umrd},
#define D_grm 63
{ "<path id=\"grm\" fill=\"currentColor\" d=\"\n"
" m-5 -2.5\n"
" c5 -8.5 5.5 4.5 10 -2\n"
" c-5 8.5 -5.5 -4.5 -10 2\"/>\n"},
#define D_stc 64
{ "<circle id=\"stc\" fill=\"currentColor\" cx=\"1.2\" cy=\"-3\" r=\"1.2\"/>\n"},
#define D_sld 65
{ "<path id=\"sld\" fill=\"currentColor\" d=\"\n"
" m-7.2 4.8\n"
" c1.8 0.7 4.5 -0.2 7.2 -4.8\n"
" c-2.1 5 -5.4 6.8 -7.6 6\"/>\n"},
#define D_emb 66
{ "<path id=\"emb\" d=\"m-2.5 -3h5\" stroke-width=\"1.2\" stroke-linecap=\"round\" stroke=\"currentColor\"/>\n"},
#define D_hld 67
{ "<g id=\"hld\" fill=\"currentColor\">\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\" fill=\"currentColor\" 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\" stroke=\"currentColor\" fill=\"none\" d=\"\n"
" m-2.6 -9.4\n"
" l2.6 8.8\n"
" l2.6 -8.8\"/>\n"},
#define D_dnb 70
{ "<g id=\"dnb\">\n"
" <path d=\"M-3.2 -2v-7.2m6.4 0v7.2\" stroke=\"currentColor\" fill=\"none\"/>\n"
" <path d=\"M-3.2 -6.8v-2.4l6.4 0v2.4\" fill=\"currentColor\"/>\n"
"</g>\n"},
#define D_sgno 71
{ "<g id=\"sgno\">\n"
" <path fill=\"currentColor\" d=\"m0 -3\n"
" c1.5 1.7 6.4 -0.3 3 -3.7\n"
" c-10.4 -7.8 -8 -10.6 -6.5 -11.9\n"
" c4 -1.9 5.9 1.7 4.2 2.6\n"
" c-1.3 0.7 -2.9 -1.3 -0.7 -2\n"
" c-1.5 -1.7 -6.4 0.3 -3 3.7\n"
" c10.4 7.8 8 10.6 6.5 11.9\n"
" c-4 1.9 -5.9 -1.7 -4.2 -2.6\n"
" c1.3 -0.7 2.9 1.3 0.7 2\"/>\n"
" <line x1=\"-6\" y1=\"-4.2\" x2=\"6.6\" y2=\"-16.8\" stroke=\"currentColor\"/>\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\" stroke=\"currentColor\" fill=\"none\">\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\" stroke=\"currentColor\" stroke-width=\"1.7\"\n"
" d=\"m0 -0.5v-6m-3 3h6\"/>\n"},
#define D_lphr 74
{ "<path id=\"lphr\" stroke=\"currentColor\" stroke-width=\"1.2\"\n"
" d=\"m0 0v18\"/>\n"},
#define D_mphr 75
{ "<path id=\"mphr\" stroke=\"currentColor\" stroke-width=\"1.2\"\n"
" d=\"m0 0v12\"/>\n"},
#define D_sphr 76
{ "<path id=\"sphr\" stroke=\"currentColor\" stroke-width=\"1.2\"\n"
" d=\"m0 0v6\"/>\n"},
#define D_opend 77
{ "<circle id=\"opend\" stroke=\"currentColor\" fill=\"none\"\n"
" cx=\"0\" cy=\"-3\" r=\"2.5\"/>\n"},
#define D_snap 78
{ "<path id=\"snap\" stroke=\"currentColor\" fill=\"none\"\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\" stroke=\"currentColor\" fill=\"none\"\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\" fill=\"currentColor\" 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"
" c1 1.1 2 0.8 2.1 -0.1\n"
" c0.1 -0.9 -0.7 -1.2 -1.9 -0.6\n"
" c-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"
" c-1 -1.1 -2 -0.8 -2.1 0.1\n"
" c-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\" stroke=\"currentColor\" fill=\"none\"/>\n"
"</g>\n", D_turn},
#define D_wedge 82
{ "<path id=\"wedge\" fill=\"currentColor\" d=\"M0 -1l-1.5 -5h3l-1.5 5\"/>\n"},
#define D_ltr 83
{ "<path id=\"ltr\" fill=\"currentColor\"\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\" fill=\"currentColor\"/>\n"
" <path d=\"M3.5 0l5 -7\" stroke=\"currentColor\" fill=\"none\"/>\n"
"</g>\n"},
#define D_showerror 85
{ "<circle id=\"showerror\" r=\"30\" stroke=\"#ffc0c0\" stroke-width=\"2.5\" fill=\"none\"/>\n"},
};
/* PS functions */
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;
if (!stack || !stack->next) {
fprintf(stderr, "svg: Stack underflow in condition\n");
ps_error = 1;
return;
}
/* string compare */
if (stack->type == STR && stack->next->type == STR) {
s = pop_free_str();
s2 = stack->u.s;
switch (type) {
case C_EQ:
stack->u.v = strcmp(s2, s) == 0;
break;
case C_NE:
stack->u.v = strcmp(s2, s) != 0;
break;
default:
fprintf(stderr, "svg: String condition not treated\n");
break;
}
free(s);
free(s2);
stack->type = VAL;
return;
}
/* special case when 1 character strings */
if (stack->type == STR) {
s = stack->u.s;
stack->u.v = s[1];
free(s);
stack->type = VAL;
}
if (stack->next->type == STR) {
s = stack->next->u.s;
stack->next->u.v = s[1];
free(s);
stack->next->type = VAL;
}
v = pop_free_val();
if (stack->type != VAL) {
fprintf(stderr, "svg: Bad type for condition\n");
ps_error = 1;
return;
}
switch (type) {
case C_EQ:
stack->u.v = stack->u.v == v;
break;
case C_NE:
stack->u.v = stack->u.v != v;
break;
case C_GT:
stack->u.v = stack->u.v > v;
break;
case C_GE:
stack->u.v = stack->u.v >= v;
break;
case C_LT:
stack->u.v = stack->u.v < v;
break;
case C_LE:
stack->u.v = stack->u.v <= v;
break;
}
}
/* -- output information about the generation in the XHTML/SVG headers -- */
static void gen_info(void)
{
unsigned i;
time_t ltime;
time(<ime);
#ifndef WIN32
strftime(tex_buf, TEX_BUF_SZ, "%b %e, %Y %H:%M", localtime(<ime));
#else
strftime(tex_buf, TEX_BUF_SZ, "%b %#d, %Y %H:%M", localtime(<ime));
#endif
fprintf(fout, "<!-- CreationDate: %s -->\n"
"<!-- CommandLine:",
tex_buf);
for (i = 1; i < (unsigned) s_argc; i++) {
char *p;
int space;
p = s_argv[i];
space = strchr(p, ' ') != NULL || strchr(p, '\n') != NULL;
fputc(' ', fout);
if (space)
fputc('\'', fout);
/* cannot have '--' inside comment ! */
if (*p == '-' && p[1] == '-') {
fputs("-\\", fout);
p++;
}
fputs(p, fout);
if (space)
fputc('\'', fout);
}
fputs(" -->\n", fout);
}
/* -- output the symbol definitions -- */
void define_svg_symbols(char *title, int num, float w, float h)
{
char *s;
unsigned i;
static const char *svg_head =
"<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\"\n"
"\txmlns:xlink=\"http://www.w3.org/1999/xlink\"\n"