interpreter/preprocessor/faust-0.9.47mr3/compiler/draw/device/SVGDev.cpp

   1 /************************************************************************
   2  ************************************************************************
   3     FAUST compiler
   4         Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale
   5     ---------------------------------------------------------------------
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  ************************************************************************
  20  ************************************************************************/
  21
  22
  23
  24 // SVGDev.cpp
  25
  26 #include "SVGDev.h"
  27 #include "stdio.h"
  28 #include <iostream>
  29 using namespace std;
  30
  31 extern bool gShadowBlur;
  32
  33 static char* xmlcode(const char* name, char* name2)
  34 {
  35         int     i,j;
  36
  37         // SUBSTITUTION DES CARACTeRES INTERDITS EN XML
  38
  39         for (i=0, j=0; (name[i] != 0) && (j < 250); i++) {
  40                 switch (name[i]) {
  41                         case '<'        : name2[j++] = '&'; name2[j++] = 'l'; name2[j++] = 't'; name2[j++] = ';';       break;
  42                         case '>'        : name2[j++] = '&'; name2[j++] = 'g'; name2[j++] = 't'; name2[j++] = ';';       break;
  43                         case '\''       : name2[j++] = '&'; name2[j++] = 'a'; name2[j++] = 'p'; name2[j++] = 'o'; name2[j++] = 's'; name2[j++] = ';';   break;
  44                         case '"'        : name2[j++] = '&'; name2[j++] = 'q'; name2[j++] = 'u'; name2[j++] = 'o'; name2[j++] = 't'; name2[j++] = ';';   break;
  45                         case '&'        : name2[j++] = '&'; name2[j++] = 'a'; name2[j++] = 'm'; name2[j++] = 'p'; name2[j++] = ';';     break;
  46                         default         : name2[j++] = name[i];
  47                 }
  48         }
  49         name2[j] = 0;
  50
  51         return name2;
  52 }
  53
  54 SVGDev::SVGDev(const char* ficName,double largeur, double hauteur)
  55 {
  56         double gScale = 0.5;
  57         if ((fic_repr = fopen(ficName,"w+")) == NULL) {
  58                 cout<<"Impossible de creer ou d'ouvrir "<<ficName<<endl;
  59         }
  60
  61         // representation file:
  62         fprintf(fic_repr,"<?xml version=\"1.0\"?>\n");
  63         // + DTD ...
  64         // viewBox:
  65         fprintf(fic_repr,"<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" viewBox=\"0 0 %f %f\" width=\"%fmm\" height=\"%fmm\" version=\"1.1\">\n", largeur, hauteur, largeur*gScale, hauteur*gScale);
  66
  67     if (gShadowBlur) {
  68                  fprintf(fic_repr,
  69                     "<defs>\n"
  70                     "   <filter id=\"filter\" filterRes=\"18\" x=\"0\" y=\"0\">\n"
  71                     "     <feGaussianBlur in=\"SourceGraphic\" stdDeviation=\"1.55\" result=\"blur\"/>\n"
  72                     "     <feOffset in=\"blur\" dx=\"3\" dy=\"3\"/>\n"
  73                     "   </filter>\n"
  74                     "</defs>\n"
  75                     );
  76     }
  77
  78 }
  79
  80 SVGDev::~SVGDev()
  81 {
  82         fprintf(fic_repr,"</svg>\n");
  83         fclose(fic_repr);
  84 }
  85
  86 void SVGDev::rect(double x,double y,double l,double h, const char* color, const char* link)
  87 {
  88     char buf[512];
  89     if (link != 0 && link[0]!=0) {
  90         // open the optional link tag
  91         fprintf(fic_repr,"<a xlink:href=\"%s\">\n", xmlcode(link, buf));
  92     }
  93     // draw the shadow
  94     if (gShadowBlur) {
  95         fprintf(fic_repr,"<rect x=\"%f\" y=\"%f\" width=\"%f\" height=\"%f\" rx=\"0.1\" ry=\"0.1\" style=\"stroke:none;fill:#aaaaaa;;filter:url(#filter);\"/>\n",x+1,y+1,l,h);
  96     } else {
  97         fprintf(fic_repr,"<rect x=\"%f\" y=\"%f\" width=\"%f\" height=\"%f\" rx=\"0\" ry=\"0\" style=\"stroke:none;fill:#cccccc;\"/>\n",x+1,y+1,l,h);
  98     }
  99
 100     // draw the rectangle
 101     fprintf(fic_repr,"<rect x=\"%f\" y=\"%f\" width=\"%f\" height=\"%f\" rx=\"0\" ry=\"0\" style=\"stroke:none;fill:%s;\"/>\n", x, y, l, h, color);
 102     if (link != 0 && link[0]!=0) {
 103         // close the optional link tag
 104         fprintf(fic_repr,"</a>\n");
 105     }
 106
 107 }
 108
 109 //<polygon fill="lightsteelblue" stroke="midnightblue" stroke-width="5"
 110 //    points="350,180 380,180 380,160 410,160 410,180 440,180 440,140 470,140 470,180
 111 //    500,180 500,120 530,120 530,180" />
 112
 113 void SVGDev::triangle(double x,double y,double l,double h, const char* color, const char* link, bool leftright)
 114 {
 115     char buf[512];
 116     if (link != 0 && link[0]!=0) {
 117         // open the optional link tag
 118         fprintf(fic_repr,"<a xlink:href=\"%s\">\n", xmlcode(link, buf));
 119     }
 120     // draw triangle+circle
 121     float r = 1.5; // circle radius
 122     float x0, x1, x2;
 123     if (leftright) {
 124         x0 = x;
 125         x1 = x+l-2*r;
 126         x2 = x+l-r;
 127     } else {
 128         x0 = x+l;
 129         x1 = x+2*r;
 130         x2 = x+r;
 131     }
 132     fprintf(fic_repr,"<polygon fill=\"%s\" stroke=\"black\" stroke-width=\".25\" points=\"%f,%f %f,%f %f,%f\"/>\n", color, x0,y, x1,y+h/2.0, x0,y+h);
 133     fprintf(fic_repr,"<circle  fill=\"%s\" stroke=\"black\" stroke-width=\".25\" cx=\"%f\" cy=\"%f\" r=\"%f\"/>\n", color, x2, y+h/2.0, r);
 134 }
 135
 136 void SVGDev::rond(double x,double y,double rayon)
 137 {
 138         fprintf(fic_repr,"<circle cx=\"%f\" cy=\"%f\" r=\"%f\"/>\n",x,y,rayon);
 139 }
 140
 141 void SVGDev::fleche(double x,double y,double rotation,int sens)
 142 {
 143         double dx = 3;
 144         double dy = 1;
 145
 146         if(sens == 1)
 147         {
 148                 fprintf(fic_repr,"<line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\"  transform=\"rotate(%f,%f,%f)\" style=\"stroke: black; stroke-width:0.25;\"/>\n",x-dx,y-dy,x,y,rotation,x,y);
 149                 fprintf(fic_repr,"<line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\"  transform=\"rotate(%f,%f,%f)\" style=\"stroke: black; stroke-width:0.25;\"/>\n",x-dx,y+dy,x,y,rotation,x,y);
 150         }
 151         else //for recursion
 152         {
 153                 fprintf(fic_repr,"<line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\"  transform=\"rotate(%f,%f,%f)\" style=\"stroke: black; stroke-width:0.25;\"/>\n",x+dx,y-dy,x,y,rotation,x,y);
 154                 fprintf(fic_repr,"<line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\"  transform=\"rotate(%f,%f,%f)\" style=\"stroke: black; stroke-width:0.25;\"/>\n",x+dx,y+dy,x,y,rotation,x,y);
 155         }
 156 }
 157
 158 void SVGDev::carre(double x,double y,double cote)
 159 {
 160         fprintf(fic_repr,"<rect x=\"%f\" y=\"%f\" width=\"%f\" height=\"%f\" style=\"stroke: black;stroke-width:0.5;fill:none;\"/>\n",x-0.5*cote,y-cote,cote,cote);
 161 }
 162
 163 void SVGDev::trait(double x1,double y1,double x2,double y2)
 164 {
 165         fprintf(fic_repr,"<line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\"  style=\"stroke:black; stroke-linecap:round; stroke-width:0.25;\"/>\n",x1,y1,x2,y2);
 166 }
 167
 168 void SVGDev::dasharray(double x1,double y1,double x2,double y2)
 169 {
 170         fprintf(fic_repr,"<line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\"  style=\"stroke: black; stroke-linecap:round; stroke-width:0.25; stroke-dasharray:3,3;\"/>\n",x1,y1,x2,y2);
 171 }
 172
 173 void SVGDev::text(double x,double y,const char* name, const char* link)
 174 {
 175     char buf[512];
 176     if (link != 0 && link[0]!=0) {
 177         // open the optional link tag
 178         fprintf(fic_repr,"<a xlink:href=\"%s\">\n", xmlcode(link, buf));
 179     }
 180     char name2[256];
 181         fprintf(fic_repr,"<text x=\"%f\" y=\"%f\" font-family=\"Arial\" font-size=\"7\" text-anchor=\"middle\" fill=\"#FFFFFF\">%s</text>\n",x,y+2,xmlcode(name,name2));
 182     if (link != 0 && link[0]!=0) {
 183         // close the optional link tag
 184         fprintf(fic_repr,"</a>\n");
 185     }
 186 }
 187
 188 void SVGDev::label(double x,double y,const char* name)
 189 {
 190         char name2[256];
 191         fprintf(fic_repr,"<text x=\"%f\" y=\"%f\" font-family=\"Arial\" font-size=\"7\">%s</text>\n",x,y+2,xmlcode(name,name2));
 192 }
 193
 194 void SVGDev::markSens(double x,double y,int sens)
 195 {
 196         int offset = (sens == 1) ? 2 : -2;
 197         fprintf(fic_repr,"<circle cx=\"%f\" cy=\"%f\" r=\"1\"/>\n", x+offset, y+offset);
 198 }
 199
 200 void SVGDev::Error(const char* message, const char* reason,int nb_error,double x,double y,double largeur)
 201 {
 202         fprintf(fic_repr,"<text x=\"%f\" y=\"%f\"  textLength=\"%f\" lengthAdjust=\"spacingAndGlyphs\" style=\"stroke: red; stroke-width:0.3; fill:red; text-anchor:middle;\">%d : %s</text>\n",x,y-7,largeur,nb_error,message);
 203         fprintf(fic_repr,"<text x=\"%f\" y=\"%f\"  textLength=\"%f\" lengthAdjust=\"spacingAndGlyphs\" style=\"stroke: red; stroke-width:0.3; fill:none; text-anchor:middle;\">%s</text>\n",x,y+7,largeur,reason);
 204 }
 205
 206
 207