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How to use NEXT_NUMBER method in argos

Best JavaScript code snippet using argos

mod_svg_path.js

Source:mod_svg_path.js

1//2// mod_svg_path.js3//   fab modules SVG path input4//5// Neil Gershenfeld 6// (c) Massachusetts Institute of Technology 20147// 8// This work may be reproduced, modified, distributed, performed, and 9// displayed for any purpose, but must acknowledge the fab modules 10// project. Copyright is retained and must be preserved. The work is 11// provided as is; no warranty is provided, and users accept all 12// liability.13//14define(['require', 'mods/mod_ui', 'mods/mod_globals', 'outputs/mod_outputs', 'mods/mod_file'], function(require) {15   var ui = require('mods/mod_ui');16   var globals = require('mods/mod_globals');17   var outputs = require('outputs/mod_outputs');18   var fileUtils = require('mods/mod_file');19   var findEl = globals.findEl;20   var MAXWIDTH = 1000021   //22   // mod_load_handler23   //   file load handler24   //25      function mod_load_handler() {26         var file = findEl("mod_file_input")27         // file.setAttribute("onchange", "mod_svg_path_read_handler()")28         file.addEventListener("change", function() {29            mod_svg_path_read_handler();30         });31      }32      //33      // mod_svg_path_read_handler34      //    SVG path read handler35      //36      function mod_svg_path_read_handler(event) {37         //38         // get input file39         //40         var file_input = findEl("mod_file_input")41         globals.input_file = file_input.files[0]42         globals.input_name = file_input.files[0].name43         globals.input_basename = fileUtils.basename(globals.input_name)44         //45         // read as text46         //47         var file_reader = new FileReader()48         file_reader.onload = mod_svg_path_text_load_handler49         file_reader.readAsText(globals.input_file)50      }51      //52      // mod_svg_path_text_load_handler53      //    SVG path text load handler54      //55      function mod_svg_path_text_load_handler(event) {56         //57         // set up UI58         //59         controls = findEl("mod_input_controls")60         controls.innerHTML = "<b>input</b><br>"61         var file_input = findEl("mod_file_input")62         controls.innerHTML += "file: " + globals.input_name + "<br>"63         controls.innerHTML += "size:<br>"64         controls.innerHTML += "<div id='mod_size'></div>"65         //66         // parse path67         //68         str = event.target.result69         result = mod_svg_path_parse(str)70         if (result == false)71            return72            //73            // display path74            //75            //76            // call outputs77            //78         ui.ui_prompt("output format?")79         outputs.init()80      }81      //82      // mod_svg_path_parse83      //    parse SVG path84      //85      function mod_svg_path_parse(str) {86         //87         // mm88         //    return dimension in mm and set units if found89         //90         function mm(str, ptr) {91            var start = 1 + str.indexOf("\"", ptr)92            var end = str.indexOf("\"", start + 1)93            var units = str.slice(end - 2, end)94            if (units == "px") {95               return (25.4 * parseFloat(str.slice(start, end - 2) / 90.0)) // Inkscape px default 90/inch96            } else if (units == "pt") {97               return (25.4 * parseFloat(str.slice(start, end - 2) / 72.0))98            } else if (units == "in") {99               return (25.4 * parseFloat(str.slice(start, end - 2)))100            } else if (units == "mm") {101               return (parseFloat(str.slice(start, end - 2)))102            } else if (units == "cm") {103               return (10.0 * parseFloat(str.slice(start, end - 2)))104            } else {105               return (parseFloat(str.slice(start, end)))106            }107         }108         //109         // strchr110         //    return first occurence of char in string, otherwise -1111         //112         function strchr(str, chr) {113            for (var i = 0; i < str.length; ++i) {114               if (str[i] == chr)115                  return i116            }117            return -1118         }119         //120         // next_number121         //    return next number after pointer122         //123         function next_number(str, ptr) {124            var haystack = "0123456789.-+"125            //126            // find start127            //128            var start = ptr129            while (1) {130               if (strchr(haystack, str[start]) != -1)131                  break132               ++start133            }134            //135            // find end136            //137            var end = start138            while (1) {139               if (strchr(haystack, str[end]) == -1)140                  break;141               ++end142            }143            return {144               value: parseFloat(str.slice(start, end)),145               index: end146            }147         }148         /*149         //150         // move pointer to end and return number151         //152         *number = strtod(*ptr,&end);153         *ptr = end;154         }155      */156         //157         // find SVG element158         //159         var ptr = str.indexOf("<svg")160         if (ptr == -1) {161            ui.ui_prompt("error: SVG element not found")162            return false163         }164         var stop = str.indexOf(">", ptr)165         //166         // get width and height167         //168         globals.dpi = 90 // Inkscape default for px169         var start = str.indexOf("width=", ptr)170         if ((start == -1) || (start > stop)) {171            ui.ui_prompt("error: no width")172            return false173         }174         var width = mm(str, start)175         var start = str.indexOf("height=", ptr)176         if ((start == -1) || (start > stop)) {177            ui.ui_prompt("error: no height")178            return false179         }180         var height = mm(str, start)181         var size = findEl('mod_size')182         size.innerHTML = "&nbsp;&nbsp;&nbsp;" + width.toFixed(3) + ' x ' + height.toFixed(3) + ' mm<br>'183         size.innerHTML += "&nbsp;&nbsp;&nbsp;" + (width / 25.4).toFixed(3) + ' x ' + (height / 25.4).toFixed(3) + ' in<br>'184         //185         // check for viewBox186         //187         var start = str.indexOf("viewBox=", ptr)188         if ((start == -1) || (start > stop)) {189            vxmin = 0190            vymin = 0191            vwidth = width192            vheight = height193         } else {194            var result = next_number(str, start)195            var vxmin = result.value196            var result = next_number(str, result.index)197            var vymin = result.value198            var result = next_number(str, result.index)199            var vwidth = result.value200            var result = next_number(str, result.index)201            var vheight = result.value202         }203         // console.log(vxmin)204//          console.log(vymin)205//          console.log(vwidth)206//          console.log(vheight)207      }208   return {209      mod_load_handler: mod_load_handler210   }211});212/*213      aspect = height/width;214      vaspect = vheight/vwidth;215      vxmid = vxmin + vwidth/2.0;216      vymid = vymin + vheight/2.0;217      // assume xMidYMid meet scaling218      if (vaspect > aspect) {219         ynscale = resolution*aspect/vheight;220         xnscale = ynscale;221         }222      else {223         xnscale = resolution/vwidth;224         ynscale = xnscale;225         }226      xnmid = resolution/2.0;227      ynmid = aspect*xnmid;228      }229   else {230      vxmid = width/2.0;231      vymid = height/2.0;232      xnscale = resolution/width;233      ynscale = xnscale;234      xnmid = xnscale*width/2.0;235      ynmid = ynscale*height/2.0;236      }237   */238/*239   //240   // get size241   //242   str = event.target.result243   var i = str.indexOf("width")244   if (i == -1) {245      ui.ui_prompt("error: SVG width not found")246      return247      }248   var i1 = str.indexOf("\"",i+1)249   var i2 = str.indexOf("\"",i1+1)250   var width = str.substring(i1+1,i2)251   i = str.indexOf("height")252   i1 = str.indexOf("\"",i+1)253   i2 = str.indexOf("\"",i1+1)254   var height = str.substring(i1+1,i2)255   ih = str.indexOf("height")256   if (width.indexOf("px") != -1) {257      width = width.slice(0,-2)258      height = height.slice(0,-2)259      var units = 90260      }261   else if (width.indexOf("mm") != -1) {262      width = width.slice(0,-2)263      height = height.slice(0,-2)264      var units = 25.4265      }266   else if (width.indexOf("cm") != -1) {267      width = width.slice(0,-2)268      height = height.slice(0,-2)269      var units = 2.54270      }271   else if (width.indexOf("in") != -1) {272      width = width.slice(0,-2)273      height = height.slice(0,-2)274      var units = 1275      }276   else {277      var units = 90278      }279   globals.dpi = 300280   globals.svg = {}281   globals.svg.units = units282   globals.svg.width = parseFloat(width)283   globals.svg.height = parseFloat(height)284   globals.width = parseInt(globals.dpi*width/units)285   globals.height = parseInt(globals.dpi*height/units)286   //287   // read as URL for display288   //289   var file_reader = new FileReader()290   file_reader.onload = mod_svg_URL_load_handler291   file_reader.readAsDataURL(globals.input_file)292   }293//294// mod_svg_URL_load_handler295//    SVG URL load handler296//297function mod_svg_URL_load_handler(event) {298   //299   // read and display image300   //301   var img = new Image()302   img.setAttribute("src",event.target.result)303   globals.svg.svg = event.target.result304   img.onload = function() {305      img.width = globals.width306      img.height = globals.height307      var process_canvas = findEl("mod_process_canvas")308      process_canvas.width = img.width309      process_canvas.height = img.height310      var output_canvas = findEl("mod_output_canvas")311      output_canvas.width = img.width312      output_canvas.height = img.height313      var canvas = findEl("mod_input_canvas")314      canvas.width = img.width315      canvas.height = img.height316      canvas.style.display = "inline"317      var ctx = canvas.getContext("2d")318      ctx.drawImage(img,0,0,img.width,img.height)319      var input_img = ctx.getImageData(0,0,canvas.width,canvas.height)320      mod_image_flatten(input_img)321      ctx.putImageData(input_img,0,0)322      controls = findEl("mod_input_controls")323      controls.innerHTML = "<b>input</b><br>"324      var file_input = findEl("mod_file_input")325      controls.innerHTML += "file: "+globals.input_name+"<br>"326      controls.innerHTML += "units/in: "327      controls.innerHTML += "<input type='text' id='mod_units' size='3' value="+globals.svg.units.toFixed(3)+" onkeyup='{\328         globals.svg.units = \329            parseFloat(findEl(\"mod_units\").value);\330         globals.width = \331            parseInt(globals.dpi*globals.svg.width/globals.svg.units);\332         globals.height = \333            parseInt(globals.dpi*globals.svg.height/globals.svg.units);\334         findEl(\"mod_px\").innerHTML = \335            globals.width+\" x \"+globals.height+\" px\";\336         findEl(\"mod_mm\").innerHTML = \337            (25.4*globals.width/globals.dpi).toFixed(3)+\" x \"+\338            (25.4*globals.height/globals.dpi).toFixed(3)+\" mm\";\339         findEl(\"mod_in\").innerHTML = \340            (globals.width/globals.dpi).toFixed(3)+\" x \"+\341            (globals.height/globals.dpi).toFixed(3)+\" in\";\342         mod_svg_reload();\343         }'><br>"344      controls.innerHTML += "width: "+globals.svg.width.toFixed(3)+"<br>"345      controls.innerHTML += "height: "+globals.svg.height.toFixed(3)+"<br>"346      controls.innerHTML += "dpi: "347      controls.innerHTML += "<input type='text' id='mod_dpi' size='3' value="+globals.dpi.toFixed(3)+" onkeyup='{\348         globals.dpi = \349            parseFloat(findEl(\"mod_dpi\").value);\350         globals.width = \351            parseInt(globals.dpi*globals.svg.width/globals.svg.units);\352         globals.height = \353            parseInt(globals.dpi*globals.svg.height/globals.svg.units);\354         findEl(\"mod_px\").innerHTML = \355            globals.width+\" x \"+globals.height+\" px\";\356         mod_svg_reload();\357         }'><br>"358      controls.innerHTML += "size:<br>"359      controls.innerHTML += "<span id='mod_px'>"+360         globals.width+" x "+globals.height+" px</span><br>"361      controls.innerHTML += "<span id='mod_mm'>"+362         (25.4*globals.width/globals.dpi).toFixed(3)+" x "+363         (25.4*globals.height/globals.dpi).toFixed(3)+" mm</span><br>"364      controls.innerHTML += "<span id='mod_in'>"+365         (globals.width/globals.dpi).toFixed(3)+" x "+366         (globals.height/globals.dpi).toFixed(3)+" in</span><br>"367      controls.innerHTML += "<input type='button' value='invert image' onclick='{\368         mod_ui_clear();\369         var canvas = findEl(\"mod_input_canvas\");\370         canvas.style.display = \"inline\";\371         var ctx = canvas.getContext(\"2d\");\372         var img = ctx.getImageData(0,0,canvas.width,canvas.height);\373         mod_image_invert(img);\374         ctx.putImageData(img,0,0);}'>"        375      }376   //377   // reader.readAsArrayBuffer(file)   378   //379   // call outputs380   //381   ui.ui_prompt("output format?")382   mod_outputs()383   }384//385// mod_svg_reload386//    reload SVG image387//388function mod_svg_reload() {389   mod_ui_clear()390   var img = new Image()391   img.setAttribute("src",globals.svg.svg)392   if (globals.width > MAXWIDTH) {393      ui.ui_prompt("error: image too large (greater than mod_svg MAXWIDTH)")394      return395      }396   else397      ui.ui_prompt("")398   img.onload = function() {399      img.width = globals.width400      img.height = globals.height401      var process_canvas = findEl("mod_process_canvas")402      process_canvas.width = img.width403      process_canvas.height = img.height404      var output_canvas = findEl("mod_output_canvas")405      output_canvas.width = img.width406      output_canvas.height = img.height407      var canvas = findEl("mod_input_canvas")408      canvas.width = img.width409      canvas.height = img.height410      canvas.style.display = "inline"411      var ctx = canvas.getContext("2d")412      ctx.drawImage(img,0,0,img.width,img.height)413      var input_img = ctx.getImageData(0,0,canvas.width,canvas.height)414      mod_image_flatten(input_img)415      ctx.putImageData(input_img,0,0)416      }417   }418*/419/*420double angle(double ux, double uy, double vx, double vy) {421   double sign = (((ux*vy-uy*vx) > 0) ? 1 : -1);422   return (sign*acos((ux*vx+uy*vy)/(sqrt(ux*ux+uy*uy)*sqrt(vx*vx+vy*vy))));423   }424   425char next_element(char **ptr, char current_element) {426   //427   // return next path element after pointer428   //429   char number_haystack[] = "0123456789.-+";430   char element_haystack[] = "mMlLhHvVcCsSaAzZ\"";431   while (1) {432      if (strchr(element_haystack,**ptr) != NULL)433         return(**ptr);434      else if (strchr(number_haystack,**ptr) != NULL)435         return(current_element);436      else437         *ptr += 1;438      }439   }440void clear_transform(int *transform) {441   //442   // pop current transform from stack443   //444   *transform -= 1;445   }446int hex_int(char chr) {447   //448   // return hex for char449   //450   if (chr == '0') return 0;451   else if (chr == '1') return 1;452   else if (chr == '2') return 2;453   else if (chr == '3') return 3;454   else if (chr == '4') return 4;455   else if (chr == '5') return 5;456   else if (chr == '6') return 6;457   else if (chr == '7') return 7;458   else if (chr == '8') return 8;459   else if (chr == '9') return 9;460   else if ((chr == 'a') || (chr == 'A')) return 10;461   else if ((chr == 'b') || (chr == 'B')) return 11;462   else if ((chr == 'c') || (chr == 'C')) return 12;463   else if ((chr == 'd') || (chr == 'D')) return 13;464   else if ((chr == 'e') || (chr == 'e')) return 14;465   else if ((chr == 'f') || (chr == 'F')) return 15;466   printf("svg_path: oops -- non-hex char\n");467   exit(-1);468   }469void set_intensity(char *start, int *zn, struct fab_vars *v, int zsign) {470   char *end,*ptr;471   int r,g,b;472   float i;473   //474   // set zn from element intensity475   //476   end = strstr(start+1,">");477   ptr = strstr(start,"stroke:");478   if ((ptr != NULL) && (ptr < end)) {479      //480      // stroke found, check for hex encoding481      //482      ptr = strstr(ptr,"#");483      if ((ptr != NULL) && (ptr < end)) {484         //485         // hex encoding found, set intensity486         //487         r = 16*hex_int(ptr[1]) + hex_int(ptr[2]);488         g = 16*hex_int(ptr[3]) + hex_int(ptr[4]);489         b = 16*hex_int(ptr[5]) + hex_int(ptr[6]);490         if (zsign == 1)491            i = (r+g+b)/(255.0+255.0+255.0);492         else493            i = 1.0 - (r+g+b)/(255.0+255.0+255.0);494         *zn = i * (v->nz - 1);495         }496      else {497         //498         // hex encoding not found, set to bottom499         //500         *zn = 0;501         }502      }503   else {504      //505      // stroke not found, set to bottom506      //507      *zn = 0;508      }509   }510void set_transform(char *start, int *transform, double transforms[SVG_MAX_TRANSFORM][6]) {511   double a,b,c,d,e,f;512   double pi = 4*atan(1.0);513   char *end,*next,*ptr;514   //515   // push transform for current element onto stack516   //517   end = strstr(start+1,">");518   next = strstr(start+1,"<");519   if ((next != NULL) && (next < end))520      end = next;521   //522   // check for transform523   //524   ptr = strstr(start,"transform");525   if ((ptr != NULL) && (ptr < end)) {526      //527      // found, check for matrix528      //529      ptr = strstr(start,"matrix(");530      if ((ptr != NULL) && (ptr < end)) {531         //printf("trans: matrix\n");532         next_number(&ptr,&a);533         next_number(&ptr,&b);534         next_number(&ptr,&c);535         next_number(&ptr,&d);536         next_number(&ptr,&e);537         next_number(&ptr,&f);538         transforms[*transform][0] = a;539         transforms[*transform][1] = b;540         transforms[*transform][2] = c;541         transforms[*transform][3] = d;542         transforms[*transform][4] = e;543         transforms[*transform][5] = f;544         *transform += 1;545         return;546         }547      //548      // check for translate549      //550      ptr = strstr(start,"translate(");551      if ((ptr != NULL) && (ptr < end)) {552         //printf("trans: translate\n");553         next_number(&ptr,&e);554         next_number(&ptr,&f);555         transforms[*transform][0] = 1;556         transforms[*transform][1] = 0;557         transforms[*transform][2] = 0;558         transforms[*transform][3] = 1;559         transforms[*transform][4] = e;560         transforms[*transform][5] = f;561         *transform += 1;562         return;563         }564      //565      // check for scale566      //567      ptr = strstr(start,"scale(");568      if ((ptr != NULL) && (ptr < end)) {569         //printf("trans: scale\n");570         next_number(&ptr,&a);571         transforms[*transform][0] = a;572         transforms[*transform][1] = 0;573         transforms[*transform][2] = 0;574         transforms[*transform][3] = a;575         transforms[*transform][4] = 0;576         transforms[*transform][5] = 0;577         *transform += 1;578         return;579         }580      //581      // check for rotate582      //583      ptr = strstr(start,"rotate(");584      if ((ptr != NULL) && (ptr < end)) {585         //printf("trans: rotate\n");586         next_number(&ptr,&a);587         transforms[*transform][0] = cos(a*pi/180.0);588         transforms[*transform][1] = sin(a*pi/180.0);589         transforms[*transform][2] = -sin(a*pi/180.0);590         transforms[*transform][3] = cos(a*pi/180.0);591         transforms[*transform][4] = 0;592         transforms[*transform][5] = 0;593         *transform += 1;594         return;595         }596      //597      // check for skewX598      //599      ptr = strstr(start,"skewX(");600      if ((ptr != NULL) && (ptr < end)) {601         //printf("trans: skewX\n");602         next_number(&ptr,&a);603         transforms[*transform][0] = 1;604         transforms[*transform][1] = 0;605         transforms[*transform][2] = tan(a*pi/180.0);606         transforms[*transform][3] = 1;607         transforms[*transform][4] = 0;608         transforms[*transform][5] = 0;609         *transform += 1;610         return;611         }612      //613      // check for skewY614      //615      ptr = strstr(start,"skewY(");616      if ((ptr != NULL) && (ptr < end)) {617         //printf("trans: skewY\n");618         next_number(&ptr,&a);619         transforms[*transform][0] = 1;620         transforms[*transform][1] = tan(a*pi/180.0);621         transforms[*transform][2] = 0;622         transforms[*transform][3] = 1;623         transforms[*transform][4] = 0;624         transforms[*transform][5] = 0;625         *transform += 1;626         return;627         }628      //629      // didn't find transform630      //631      printf("svg_path: oops -- didn't find transform\n");632      transforms[*transform][0] = 1;633      transforms[*transform][1] = 0;634      transforms[*transform][2] = 0;635      transforms[*transform][3] = 1;636      transforms[*transform][4] = 0;637      transforms[*transform][5] = 0;638      *transform += 1;639      return;640      }641   else {642      //643      // transform not found, set unit transform644      //645      transforms[*transform][0] = 1;646      transforms[*transform][1] = 0;647      transforms[*transform][2] = 0;648      transforms[*transform][3] = 1;649      transforms[*transform][4] = 0;650      transforms[*transform][5] = 0;651      *transform += 1;652      return;653      }654   }655void path_point(int *xn, int *yn, double x, double y, int transform, double transforms[SVG_MAX_TRANSFORM][6],656   double xnscale, double ynscale, double xnmid, double vxmid, double ynmid, double vymid) {657   double xt,yt,xtemp,ytemp;658   int t;659   //660   // return path point661   //662   xt = x;663   yt = y;664   for (t = (transform-1); t >= 0; --t) {665      xtemp = transforms[t][0]*xt + transforms[t][2]*yt + transforms[t][4];666      ytemp = transforms[t][1]*xt + transforms[t][3]*yt + transforms[t][5];667      xt = xtemp;668      yt = ytemp;669      }670   *xn = xnmid + xnscale*(xt - vxmid);671   *yn = ynmid + ynscale*(yt - vymid);672   }673void fab_read_svg(struct fab_vars *v, char *input_file_name, float scale, int points, int resolution, float zmin, float zmax) {674   //675   // read SVG into fab_vars676   //677	FILE *input_file;678   char buf[SVG_MAX_FILE];679   char units[3];680   char current_element,last_element;681   int point,ret;682   char *ptr,*start,*stop,*endptr;683   int transform;684   double transforms[SVG_MAX_TRANSFORM][6];685   double unit_scale;686   double xnscale,ynscale,xnmid,ynmid;687   double vxmin,vymin,vxmid,vymid,vwidth,vheight,vaspect;688   double width,height,aspect;689   double x,y,z,x0,y0,x1,y1,x2,y2;690   double rx,ry,theta,theta_0,theta_1,theta_diff,rotation,large_arc,sweep;691   double phi,x1p,y1p,sign,cxp,cyp;692   double ax,bx,cx,ay,by,cy,xt,yt,t,r;693   double pi;694   int xn,yn,zn;695   int zsign;696   int count;697   pi = 4*atan(1.0);698   699   //700   // start path701   //702   v->nx = 2*xnmid;703   v->ny = 2*ynmid;704   v->dx = scale*width*unit_scale;705   v->dy = scale*height*unit_scale;706   v->xmin = 0;707   v->ymin = 0;708   zsign = 1;709   if (v->path->dof > 2) {710      if (zmin > zmax) {711         z = zmin;712         zmin = zmax;713         zmax = z;714         zsign = -1;715         }716      v->nz = 1+xnscale*(zmax-zmin);717      v->dz = zmax-zmin;718      v->zmin = zmin;719      }720   //721   // find graphic elements722   //723   ptr = buf;724   transform = 0;725   do {726      ptr += 1;727      if (strncmp(ptr,"<g",2) == 0) {728         //729         // opening g, check for transform and intensity730         //731         set_transform(ptr,&transform,transforms);732         set_intensity(ptr,&zn,v,zsign);733         }734      else if (strncmp(ptr,"/g>",2) == 0) {735         //736         // closing g, clear transform737         //738         clear_transform(&transform);739         }740      else if (strncmp(ptr,"<defs",5) == 0) {741         //742         // defs743         //744         while (1) {745            //746            // find closure747            //748            ptr +=1;749            if (strncmp(ptr,"/>",2) == 0)750               //751               // self-closing752               //753               break;754            else if (strncmp(ptr,">",1) == 0) {755               //756               // not self-closing757               //758               while (1) {759                  ptr += 1;760                  if (strncmp(ptr,"</defs>",7) == 0)761                     break;762                  }763               break;764               }765            }766         printf("   svg_path: defs not yet implemented\n");767         }768      else if (strncmp(ptr,"<image",6) == 0) {769         //770         // defs771         //772         while (1) {773            //774            // find closure775            //776            ptr +=1;777            if (strncmp(ptr,"/>",2) == 0)778               //779               // self-closing780               //781               break;782            else if (strncmp(ptr,">",1) == 0) {783               //784               // not self-closing785               //786               while (1) {787                  ptr += 1;788                  if (strncmp(ptr,"</image>",8) == 0)789                     break;790                  }791               break;792               }793            }794         printf("   svg_path: image not yet implemented\n");795         }796      else if (strncmp(ptr,"<path",5) == 0) {797         //798         // path799         //800         set_transform(ptr,&transform,transforms);801         set_intensity(ptr,&zn,v,zsign);802         ptr = 4+strstr(ptr," d=");803         current_element = 0;804         last_element = 0;805         x0 = 0;806         y0 = 0;807         do {808            last_element = current_element;809            current_element = next_element(&ptr, current_element);810            if (current_element == 'm') {811               //812               // relative moveto813               //814               next_number(&ptr,&x);815               next_number(&ptr,&y);816               x0 = x0 + x;817               y0 = y0 + y;818               //printf("   path m: %f %f\n",x0,y0);819               current_element = 'l';820               fab_path_segment(v);821               fab_path_point(v);822               path_point(&xn,&yn,x0,y0,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);823               fab_path_axis(v,xn);824               fab_path_axis(v,yn);825               if (v->path->dof > 2)826                  fab_path_axis(v,zn);827               }828            else if (current_element == 'M') {829               //830               // absolute moveto831               //832               next_number(&ptr,&x0);833               next_number(&ptr,&y0);834               //printf("  path M: %f %f\n",x0,y0);835               current_element = 'L';836               fab_path_segment(v);837               fab_path_point(v);838               path_point(&xn,&yn,x0,y0,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);839               fab_path_axis(v,xn);840               fab_path_axis(v,yn);841               if (v->path->dof > 2)842                  fab_path_axis(v,zn);843               }844            else if (current_element == 'l') {845               //846               // relative lineto847               //848               next_number(&ptr,&x);849               next_number(&ptr,&y);850               //printf("   path l: %f %f\n",x,y);851               current_element = 'l';852               fab_path_point(v);853               path_point(&xn,&yn,x0+x,y0+y,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);854               fab_path_axis(v,xn);855               fab_path_axis(v,yn);856               if (v->path->dof > 2)857                  fab_path_axis(v,zn);858               x0 = x0+x;859               y0 = y0+y;860               }861            else if (current_element == 'L') {862               //863               // absolute lineto864               //865               next_number(&ptr,&x);866               next_number(&ptr,&y);867               //printf("   path L: %f %f\n",x,y);868               current_element = 'L';869               fab_path_point(v);870               path_point(&xn,&yn,x,y,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);871               fab_path_axis(v,xn);872               fab_path_axis(v,yn);873               if (v->path->dof > 2)874                  fab_path_axis(v,zn);875               x0 = x;876               y0 = y;877               }878            else if (current_element == 'h') {879               //880               // relative horizontal881               //882               next_number(&ptr,&x);883               //printf("   path h: %f\n",x);884               current_element = 'j';885               fab_path_point(v);886               path_point(&xn,&yn,x0+x,y0,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);887               fab_path_axis(v,xn);888               fab_path_axis(v,yn);889               if (v->path->dof > 2)890                  fab_path_axis(v,zn);891               x0 = x0+x;892               }893            else if (current_element == 'H') {894               //895               // absolute horizontal896               //897               next_number(&ptr,&x);898               //printf("   path H: %f\n",x);899               current_element = 'H';900               fab_path_point(v);901               path_point(&xn,&yn,x,y0,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);902               fab_path_axis(v,xn);903               fab_path_axis(v,yn);904               if (v->path->dof > 2)905                  fab_path_axis(v,zn);906               x0 = x;907               }908            else if (current_element == 'v') {909               //910               // relative vertical911               //912               next_number(&ptr,&y);913               //printf("   path v: %f\n",y);914               current_element = 'v';915               fab_path_point(v);916               path_point(&xn,&yn,x0,y0+y,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);917               fab_path_axis(v,xn);918               fab_path_axis(v,yn);919               if (v->path->dof > 2)920                  fab_path_axis(v,zn);921               y0 = y0+y;922               }923            else if (current_element == 'V') {924               //925               // absolute vertical926               //927               next_number(&ptr,&y);928               //printf("   path V: %f\n",y);929               current_element = 'V';930               fab_path_point(v);931               path_point(&xn,&yn,x0,y,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);932               fab_path_axis(v,xn);933               fab_path_axis(v,yn);934               if (v->path->dof > 2)935                  fab_path_axis(v,zn);936               y0 = y;937               }938            else if (current_element == 'c') {939               //940               // relative curveto941               //942               next_number(&ptr,&x1);943               x1 += x0;944               next_number(&ptr,&y1);945               y1 += y0;946               next_number(&ptr,&x2);947               x2 += x0;948               next_number(&ptr,&y2);949               y2 += y0;950               next_number(&ptr,&x);951               x += x0;952               next_number(&ptr,&y);953               y += y0;954               //printf("   path c: %f %f %f %f %f %f\n",x1,y1,x2,y2,x,y);955               current_element = 'c';956               cx = 3 * (x1 - x0);957               bx = 3 * (x2 - x1) - cx;958               ax = x - x0 - cx - bx;959               cy = 3 * (y1 - y0);960               by = 3 * (y2 - y1) - cy;961               ay = y - y0 - cy - by;962               for (point = 0; point < points; ++point) {963                  t = point / (points - 1.0);964                  xt = ax*t*t*t + bx*t*t + cx*t + x0;965                  yt = ay*t*t*t + by*t*t + cy*t + y0;966                  fab_path_point(v);967                  path_point(&xn,&yn,xt,yt,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);968                  fab_path_axis(v,xn);969                  fab_path_axis(v,yn);970                  if (v->path->dof > 2)971                     fab_path_axis(v,zn);972                  }973               x0 = x;974               y0 = y;975               }976            else if (current_element == 'C') {977               //978               // absolute curveto979               //980               next_number(&ptr,&x1);981               next_number(&ptr,&y1);982               next_number(&ptr,&x2);983               next_number(&ptr,&y2);984               next_number(&ptr,&x);985               next_number(&ptr,&y);986               //printf(" path C: %f %f %f %f %f %f\n",x1,y1,x2,y2,x,y);987               current_element = 'C';988               cx = 3 * (x1 - x0);989               bx = 3 * (x2 - x1) - cx;990               ax = x - x0 - cx - bx;991               cy = 3 * (y1 - y0);992               by = 3 * (y2 - y1) - cy;993               ay = y - y0 - cy - by;994               for (point = 0; point < points; ++point) {995                  t = point / (points - 1.0);996                  xt = ax*t*t*t + bx*t*t + cx*t + x0;997                  yt = ay*t*t*t + by*t*t + cy*t + y0;998                  fab_path_point(v);999                  path_point(&xn,&yn,xt,yt,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1000                  fab_path_axis(v,xn);1001                  fab_path_axis(v,yn);1002                  if (v->path->dof > 2)1003                     fab_path_axis(v,zn);1004                  }1005               x0 = x;1006               y0 = y;1007               }1008            else if (current_element == 's') {1009               //1010               // relative smooth curveto1011               //1012               if ((last_element == 'c') || (last_element == 'C') || (last_element == 's') || (last_element == 'S')) {1013                  x1 = x0 + (x0-x2);1014                  y1 = y0 + (y0-y2);1015                  }1016               else {1017                  x1 = x0;1018                  y1 = y0;1019                  }1020               next_number(&ptr,&x2);1021               x2 += x0;1022               next_number(&ptr,&y2);1023               y2 += y0;1024               next_number(&ptr,&x);1025               x += x0;1026               next_number(&ptr,&y);1027               y += y0;1028               //printf("   path s: %f %f %f %f\n",x2,y2,x,y);1029               current_element = 'c';1030               cx = 3 * (x1 - x0);1031               bx = 3 * (x2 - x1) - cx;1032               ax = x - x0 - cx - bx;1033               cy = 3 * (y1 - y0);1034               by = 3 * (y2 - y1) - cy;1035               ay = y - y0 - cy - by;1036               for (point = 0; point < points; ++point) {1037                  t = point / (points - 1.0);1038                  xt = ax*t*t*t + bx*t*t + cx*t + x0;1039                  yt = ay*t*t*t + by*t*t + cy*t + y0;1040                  fab_path_point(v);1041                  path_point(&xn,&yn,xt,yt,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1042                  fab_path_axis(v,xn);1043                  fab_path_axis(v,yn);1044                  if (v->path->dof > 2)1045                     fab_path_axis(v,zn);1046                  }1047               x0 = x;1048               y0 = y;1049               }1050            else if (current_element == 'S') {1051               //1052               // absolute smooth curveto1053               //1054               if ((last_element == 'c') || (last_element == 'C') || (last_element == 's') || (last_element == 'S')) {1055                  x1 = x0 + (x0-x2);1056                  y1 = y0 + (y0-y2);1057                  }1058               else {1059                  x1 = x0;1060                  y1 = y0;1061                  }1062               next_number(&ptr,&x2);1063               next_number(&ptr,&y2);1064               next_number(&ptr,&x);1065               next_number(&ptr,&y);1066               //printf(" path S: %f %f %f %f\n",x2,y2,x,y);1067               current_element = 'C';1068               cx = 3 * (x1 - x0);1069               bx = 3 * (x2 - x1) - cx;1070               ax = x - x0 - cx - bx;1071               cy = 3 * (y1 - y0);1072               by = 3 * (y2 - y1) - cy;1073               ay = y - y0 - cy - by;1074               for (point = 0; point < points; ++point) {1075                  t = point / (points - 1.0);1076                  xt = ax*t*t*t + bx*t*t + cx*t + x0;1077                  yt = ay*t*t*t + by*t*t + cy*t + y0;1078                  fab_path_point(v);1079                  path_point(&xn,&yn,xt,yt,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1080                  fab_path_axis(v,xn);1081                  fab_path_axis(v,yn);1082                  if (v->path->dof > 2)1083                     fab_path_axis(v,zn);1084                  }1085               x0 = x;1086               y0 = y;1087               }1088            else if (current_element == 'a') {1089               //1090               // relative arc1091               //1092               next_number(&ptr,&rx);1093               next_number(&ptr,&ry);1094               next_number(&ptr,&rotation);1095               next_number(&ptr,&large_arc);1096               next_number(&ptr,&sweep);1097               next_number(&ptr,&x);1098               x += x0;1099               next_number(&ptr,&y);1100               y += y0;1101               //printf("   path a: %f %f %f %f %f %f %f\n",rx,ry,rotation,large_arc,sweep,x,y);1102               current_element = 'a';1103               phi = rotation*pi/180.0;1104               x1 = x0;1105               x2 = x;1106               y1 = y0;1107               y2 = y;1108               x1p = cos(phi)*(x1-x2)/2.0 + sin(phi)*(y1-y2)/2.0;1109               y1p = -sin(phi)*(x1-x2)/2.0 + cos(phi)*(y1-y2)/2.0;1110               sign = ((large_arc == sweep) ? -1 : 1);1111               if ((rx*rx*ry*ry - rx*rx*y1p*y1p - ry*ry*x1p*x1p) < 0) {1112                  cxp = 0;1113                  cyp = 0;1114                  }1115               else {1116                  cxp = sign * sqrt((rx*rx*ry*ry - rx*rx*y1p*y1p - ry*ry*x1p*x1p)/(rx*rx*y1p*y1p + ry*ry*x1p*x1p)) * rx*y1p/ry;1117                  cyp = -1 * sign * sqrt((rx*rx*ry*ry - rx*rx*y1p*y1p - ry*ry*x1p*x1p)/(rx*rx*y1p*y1p + ry*ry*x1p*x1p)) * ry*x1p/rx;1118                  }1119               cx = cos(phi)*cxp - sin(phi)*cyp + (x1+x2)/2.0;1120               cy = sin(phi)*cxp + cos(phi)*cyp + (y1+y2)/2.0;1121               theta_0 = angle(1,0,(x1p-cxp)/rx,(y1p-cyp)/ry);1122               theta_diff = angle ((x1p-cxp)/rx,(y1p-cyp)/ry,(-x1p-cxp)/rx,(-y1p-cyp)/ry);1123               theta_1 = theta_0 + theta_diff;1124               if (large_arc == 1) {1125                  if (sweep == 0)1126                     theta_1 -= 2*pi;1127                  else1128                     theta_1 += 2*pi;1129                  }1130               for (point = 0; point < points; ++point) {1131                  theta = theta_0 + (theta_1-theta_0) * point / (points - 1.0);1132                  xt = cx + rx*cos(theta);1133                  yt = cy + ry*sin(theta);1134                  fab_path_point(v);1135                  path_point(&xn,&yn,xt,yt,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1136                  fab_path_axis(v,xn);1137                  fab_path_axis(v,yn);1138                  if (v->path->dof > 2)1139                     fab_path_axis(v,zn);1140                  }1141               x0 = x;1142               y0 = y;1143               }1144            else if (current_element == 'A') {1145               //1146               // absolute arc1147               //1148               next_number(&ptr,&rx);1149               next_number(&ptr,&ry);1150               next_number(&ptr,&rotation);1151               next_number(&ptr,&large_arc);1152               next_number(&ptr,&sweep);1153               next_number(&ptr,&x);1154               next_number(&ptr,&y);1155               //printf("   path A: %f %f %f %f %f %f %f\n",rx,ry,rotation,large_arc,sweep,x,y);1156               current_element = 'A';1157               phi = rotation*pi/180.0;1158               x1 = x0;1159               x2 = x;1160               y1 = y0;1161               y2 = y;1162               x1p = cos(phi)*(x1-x2)/2.0 + sin(phi)*(y1-y2)/2.0;1163               y1p = -sin(phi)*(x1-x2)/2.0 + cos(phi)*(y1-y2)/2.0;1164               sign = ((large_arc == sweep) ? -1 : 1);1165               if ((rx*rx*ry*ry - rx*rx*y1p*y1p - ry*ry*x1p*x1p) < 0) {1166                  cxp = 0;1167                  cyp = 0;1168                  }1169               else {1170                  cxp = sign * sqrt((rx*rx*ry*ry - rx*rx*y1p*y1p - ry*ry*x1p*x1p)/(rx*rx*y1p*y1p + ry*ry*x1p*x1p)) * rx*y1p/ry;1171                  cyp = -1 * sign * sqrt((rx*rx*ry*ry - rx*rx*y1p*y1p - ry*ry*x1p*x1p)/(rx*rx*y1p*y1p + ry*ry*x1p*x1p)) * ry*x1p/rx;1172                  }1173               cx = cos(phi)*cxp - sin(phi)*cyp + (x1+x2)/2.0;1174               cy = sin(phi)*cxp + cos(phi)*cyp + (y1+y2)/2.0;1175               theta_0 = angle(1,0,(x1p-cxp)/rx,(y1p-cyp)/ry);1176               theta_diff = angle ((x1p-cxp)/rx,(y1p-cyp)/ry,(-x1p-cxp)/rx,(-y1p-cyp)/ry);1177               theta_1 = theta_0 + theta_diff;1178               if (large_arc == 1) {1179                  if (sweep == 0)1180                     theta_1 -= 2*pi;1181                  else1182                     theta_1 += 2*pi;1183                  }1184               for (point = 0; point < points; ++point) {1185                  theta = theta_0 + (theta_1-theta_0) * point / (points - 1.0);1186                  xt = cx + rx*cos(theta);1187                  yt = cy + ry*sin(theta);1188                  fab_path_point(v);1189                  path_point(&xn,&yn,xt,yt,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1190                  fab_path_axis(v,xn);1191                  fab_path_axis(v,yn);1192                  if (v->path->dof > 2)1193                     fab_path_axis(v,zn);1194                  }1195               x0 = x;1196               y0 = y;1197               }1198            else if ((current_element == 'z') || (current_element == 'Z')) {1199               //1200               // closepath1201               //1202               //printf("   path zZ\n");1203               fab_path_point(v);1204               fab_path_axis(v,v->path->segment->first->first->value);1205               fab_path_axis(v,v->path->segment->first->first->next->value);1206               if (v->path->dof > 2)1207                  fab_path_axis(v,zn);1208               current_element = 0;1209               ptr += 1;1210               }1211            } while (*ptr != '\"');1212         clear_transform(&transform);1213         }1214      else if (strncmp(ptr,"<rect",5) == 0) {1215         //1216         // rectangle1217         //1218         set_transform(ptr,&transform,transforms);1219         set_intensity(ptr,&zn,v,zsign);1220         start = strstr(ptr,"width=");1221         next_number(&start,&width);1222         start = strstr(ptr,"height=");1223         next_number(&start,&height);1224         start = strstr(ptr,"x=");1225         next_number(&start,&x);1226         start = strstr(ptr,"y=");1227         next_number(&start,&y);1228         while (strncmp(ptr,"/>",2) != 0) ptr += 1; // read to end of element1229         //printf("   rect: %f %f %f %f\n",width,height,x,y);1230         fab_path_segment(v);1231            fab_path_point(v);1232               path_point(&xn,&yn,x,y,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1233               fab_path_axis(v,xn);1234               fab_path_axis(v,yn);1235               if (v->path->dof > 2)1236                  fab_path_axis(v,zn);1237            fab_path_point(v);1238               path_point(&xn,&yn,x,y+height,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1239               fab_path_axis(v,xn);1240               fab_path_axis(v,yn);1241               if (v->path->dof > 2)1242                  fab_path_axis(v,zn);1243            fab_path_point(v);1244               path_point(&xn,&yn,x+width,y+height,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1245               fab_path_axis(v,xn);1246               fab_path_axis(v,yn);1247               if (v->path->dof > 2)1248                  fab_path_axis(v,zn);1249            fab_path_point(v);1250               path_point(&xn,&yn,x+width,y,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1251               fab_path_axis(v,xn);1252               fab_path_axis(v,yn);1253               if (v->path->dof > 2)1254                  fab_path_axis(v,zn);1255            fab_path_point(v);1256               path_point(&xn,&yn,x,y,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1257               fab_path_axis(v,xn);1258               fab_path_axis(v,yn);1259               if (v->path->dof > 2)1260                  fab_path_axis(v,zn);1261         clear_transform(&transform);1262         }1263      else if (strncmp(ptr,"<circle",7) == 0) {1264         //1265         // circle 1266         //1267         set_transform(ptr,&transform,transforms);1268         set_intensity(ptr,&zn,v,zsign);1269         start = strstr(ptr,"cx=");1270         next_number(&start,&cx);1271         start = strstr(ptr,"cy=");1272         next_number(&start,&cy);1273         start = strstr(ptr,"r=");1274         next_number(&start,&r);1275         while (strncmp(ptr,"/>",2) != 0) ptr += 1; // read to end of element1276         //printf("   circle: %f %f %f\n",cx,cy,r);1277         fab_path_segment(v);1278         for (point = 0; point < points; ++point) {1279            fab_path_point(v);1280            x = cx + r*cos(point*2*pi/(points-1.0));1281            y = cy + r*sin(point*2*pi/(points-1.0));1282            path_point(&xn,&yn,x,y,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1283            fab_path_axis(v,xn);1284            fab_path_axis(v,yn);1285            if (v->path->dof > 2)1286               fab_path_axis(v,zn);1287            }1288         clear_transform(&transform);1289         }1290      else if (strncmp(ptr,"<ellipse",8) == 0) {1291         //1292         // ellipse 1293         //1294         while (strncmp(ptr,"/>",2) != 0) ptr += 1; // read to end of element1295         printf("   svg_path: ellipse not yet implemented\n");1296         }1297      else if (strncmp(ptr,"<line",5) == 0) {1298         //1299         // line1300         //1301         set_transform(ptr,&transform,transforms);1302         set_intensity(ptr,&zn,v,zsign);1303         start = 3+strstr(ptr,"x1=");1304         next_number(&start,&x1);1305         start = 3+strstr(ptr,"y1=");1306         next_number(&start,&y1);1307         start = 3+strstr(ptr,"x2=");1308         next_number(&start,&x2);1309         start = 3+strstr(ptr,"y2=");1310         next_number(&start,&y2);1311         while (strncmp(ptr,"/>",2) != 0) ptr += 1; // read to end of element1312         //printf("   line: %f %f %f %f\n",x1,y1,x2,y2);1313         fab_path_segment(v);1314         fab_path_point(v);1315         path_point(&xn,&yn,x1,y1,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1316         fab_path_axis(v,xn);1317         fab_path_axis(v,yn);1318         if (v->path->dof > 2)1319            fab_path_axis(v,zn);1320         fab_path_point(v);1321         path_point(&xn,&yn,x2,y2,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1322         fab_path_axis(v,xn);1323         fab_path_axis(v,yn);1324         if (v->path->dof > 2)1325            fab_path_axis(v,zn);1326         clear_transform(&transform);1327         }1328      else if (strncmp(ptr,"<polyline",9) == 0) {1329         //1330         // polyline1331         //1332         set_transform(ptr,&transform,transforms);1333         set_intensity(ptr,&zn,v,zsign);1334         ptr = 8+strstr(ptr,"points=");1335         //1336         // move to first point1337         //1338         next_number(&ptr,&x);1339         next_number(&ptr,&y);1340         fab_path_segment(v);1341         fab_path_point(v);1342         path_point(&xn,&yn,x,y,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1343         fab_path_axis(v,xn);1344         fab_path_axis(v,yn);1345         if (v->path->dof > 2)1346            fab_path_axis(v,zn);1347         while (1) {1348            //1349            // loop over remaining points 1350            //1351            next_number(&ptr,&x);1352            next_number(&ptr,&y);1353            fab_path_point(v);1354            path_point(&xn,&yn,x,y,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1355            fab_path_axis(v,xn);1356            fab_path_axis(v,yn);1357            if (v->path->dof > 2)1358               fab_path_axis(v,zn);1359            while ((*ptr == ' ') || (*ptr == '"') || (*ptr == 13) || (*ptr == 10)) ptr += 1; // skip space1360            if (strncmp(ptr,"/>",2) == 0) break; // check for end1361            }1362         clear_transform(&transform);1363         }1364      else if (strncmp(ptr,"<polygon",8) == 0) {1365         //1366         // polygon1367         //1368         set_transform(ptr,&transform,transforms);1369         set_intensity(ptr,&zn,v,zsign);1370         ptr = 8+strstr(ptr,"points=");1371         //1372         // move to first point1373         //1374         next_number(&ptr,&x0);1375         next_number(&ptr,&y0);1376         fab_path_segment(v);1377         fab_path_point(v);1378         path_point(&xn,&yn,x0,y0,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1379         fab_path_axis(v,xn);1380         fab_path_axis(v,yn);1381         if (v->path->dof > 2)1382            fab_path_axis(v,zn);1383         while (1) {1384            //1385            // loop over remaining points 1386            //1387            next_number(&ptr,&x);1388            next_number(&ptr,&y);1389            fab_path_point(v);1390            path_point(&xn,&yn,x,y,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1391            fab_path_axis(v,xn);1392            fab_path_axis(v,yn);1393            if (v->path->dof > 2)1394               fab_path_axis(v,zn);1395            while ((*ptr == ' ') || (*ptr == '"') || (*ptr == 13) || (*ptr == 10)) ptr += 1; // skip space1396            if (strncmp(ptr,"/>",2) == 0) break; // check for end1397            }1398         fab_path_point(v);1399         path_point(&xn,&yn,x0,y0,transform,transforms,xnscale,ynscale,xnmid,vxmid,ynmid,vymid);1400         fab_path_axis(v,xn);1401         fab_path_axis(v,yn);1402         if (v->path->dof > 2)1403            fab_path_axis(v,zn);1404         clear_transform(&transform);1405         }1406      else if (strncmp(ptr,"<text",5) == 0) {1407         //1408         // text 1409         //1410         while (strncmp(ptr,"/text>",6) != 0) ptr += 1; // read to end of element1411         printf("   svg_path: text not implemented\n");1412         }1413      } while ((endptr-ptr) > 1);1414   }1415int main(int argc, char **argv) {1416   //1417   // local vars1418   //1419   struct fab_vars v;1420   init_vars(&v);1421   int points,resolution;1422   float scale,zmin,zmax;1423   //1424   // command line args1425   // Largo al Factotum Canadian Brass1426   //1427   if ((argc != 3) && (argc != 4) && (argc != 5) && (argc != 6) && (argc != 7) && (argc != 8)) {1428      printf("command line: svg_path in.svg out.path [scale [points [resolution [zmin [zmax]]]]]\n");1429      printf("   in.svg = input binary SVG file\n");1430      printf("   out.path = output path file\n");1431      printf("   scale = scale factor (optional, default 1.0)\n");1432      printf("   points = points per curve segment (optional, default 25)\n");1433      printf("   resolution = path x resolution (optional, default 10000)\n");1434      printf("   zmin = path min intensity z (optional, mm, default 0)\n");1435      printf("   zmax = path max intensity z (optional, mm, default zmin)\n");1436      exit(-1);1437      }1438   if (argc == 3) {1439      scale = 1.0;1440      points = 25;1441      resolution = 10000;1442      zmin = 0;1443      zmax = 0;1444      }1445   else if (argc == 4) {1446      sscanf(argv[3],"%f",&scale);1447      points = 25;1448      resolution = 10000;1449      zmin = 0;1450      zmax = 0;1451      }1452   else if (argc == 5) {1453      sscanf(argv[3],"%f",&scale);1454      sscanf(argv[4],"%d",&points);1455      resolution = 10000;1456      zmin = 0;1457      zmax = 0;1458      }1459   else if (argc == 6) {1460      sscanf(argv[3],"%f",&scale);1461      sscanf(argv[4],"%d",&points);1462      sscanf(argv[5],"%d",&resolution);1463      zmin = 0;1464      zmax = 0;1465      }1466   else if (argc == 7) {1467      sscanf(argv[3],"%f",&scale);1468      sscanf(argv[4],"%d",&points);1469      sscanf(argv[5],"%d",&resolution);1470      sscanf(argv[6],"%f",&zmin);1471      zmax = zmin;1472      }1473   else if (argc == 8) {1474      sscanf(argv[3],"%f",&scale);1475      sscanf(argv[4],"%d",&points);1476      sscanf(argv[5],"%d",&resolution);1477      sscanf(argv[6],"%f",&zmin);1478      sscanf(argv[7],"%f",&zmax);1479      }1480   //1481   //  read SVG1482   //1483   if (argc <= 6)1484      fab_path_start(&v,2);1485   else1486      fab_path_start(&v,3);1487   fab_read_svg(&v,argv[1],scale,points,resolution,zmin,zmax);1488   //1489   // write path1490   //1491   fab_write_path(&v,argv[2]);1492   //1493   // return1494   //1495   return(0);1496   }...

isvr-menu-block-nav.js

Source:isvr-menu-block-nav.js

1AFRAME.registerComponent('isvr-menu-block-nav', {2		schema: {3				show: { 4						type: 'string'5				},6				inactivecolor: {7						type: 'string'8				},9				activecolor: {10						type: 'string'11				}12		},13  14    init: function () {15				var self = this;16				var data = this.data;17				/* initial state */18				if (this.el.getAttribute('color') == data.activecolor) {19						this.el.addState('active');20				} 21				this.el.addEventListener('mouseenter', function(evt) {22						self.el.setAttribute('color', data.activecolor);23        });24        this.el.addEventListener('mouseleave', function() {25						if (!self.el.is('active')) {26								self.el.setAttribute('color', data.inactivecolor);27						}28        });29				var all = document.querySelectorAll('.nav-circle');30        this.el.addEventListener('click', function() {31						var activeEl = null;32						if (self.el.is('active')) {33								return;34						}35						for (var i=0; i<all.length; i++) {36								if (all[i].is('active')) {37										activeEl = all[i];38								}39								all[i].setAttribute('color', data.inactivecolor);40								all[i].removeState('active');41						}42						self.el.setAttribute('color', data.activecolor);43						self.el.addState('active');44						var next_number = data.show.slice(-1);45						var current_number = activeEl.getAttribute('isvr-menu-block-nav').show.slice(-1);46						document.querySelector('#item-wrapper').emit('from_' + current_number + '_to_' + next_number);47						 /* show next menu block */48             setTimeout(function() {49             		//document.querySelector('#menu-block-' + next_number).setAttribute('visible', true);50								if (current_number < next_number) {51										for (var j = current_number; j <= next_number; j++){52             						document.querySelector('#menu-block-' + j).setAttribute('visible', true);53										}54								} else { 55										for (var j = current_number; j >= next_number; j--){56             						document.querySelector('#menu-block-' + j).setAttribute('visible', true);57										}58								}59             }, 300);60						setTimeout(function() {61								//document.querySelector('#menu-block-' + current_number).setAttribute('visible', false);62								if (current_number < next_number) {63										for (var j = current_number; j < next_number; j++) {64												document.querySelector('#menu-block-' + j).setAttribute('visible', false);65										}66								} else {67										for (var j = current_number; j > next_number; j--) {68												document.querySelector('#menu-block-' + j).setAttribute('visible', false);69										}70								}71            }, 500);						72				});73	74		}...

problem2.js

Source:problem2.js

1var fs = require('fs');2var starter_sequence_arr = [];3function parseNumberSequence(filename) {4    var file_array = fs.readFileSync(filename).toString().split("\n");5    starter_sequence_arr = file_array[0].split(",").map(val => parseInt(val));6}7function executeSequenceToTurn(last_turn) {8    // 3 1 29    // var previous_seen = {3:2,1:1}; //object to keep track of previous references10    // var next_number = 2;11    // last_turn = 2020;12    // 1 3 213    // var previous_seen = {1:2,3:1}; //object to keep track of previous references14    // var next_number = 2;15    // last_turn = 2020;16    // 0 3 617    // var previous_seen = {0:2,3:1}; //object to keep track of previous references18    // var next_number = 6;19    // 0,3,620    var previous_seen = {0:2,3:1}; //object to keep track of previous references21    var next_number = 6;22    last_turn = 30000000;23    // 0,6,1,7,2,19,2024    var previous_seen = {0:7,6:6,1:5,7:4,2:3,19:1}; //object to keep track of previous references25    var next_number = 20;26    last_turn = 30000000;27    for (var n=Object.keys(previous_seen).length+1; n<last_turn; n++) {28        if (!(next_number in previous_seen)) {29            previous_seen[next_number] = 0;30            next_number = 0;31            for (seen_number of Object.keys(previous_seen)) { previous_seen[seen_number]++; }32        } else {33            var tmp = next_number;34            next_number = previous_seen[next_number];35            previous_seen[tmp] = 0;36            for (seen_number of Object.keys(previous_seen)) { previous_seen[seen_number]++; }37        }38        // console.log(`previous_seen: ${JSON.stringify(previous_seen)}`);39        // console.log(`next_number: ${JSON.stringify(next_number)}`);40        if ((n%10000)==0) {console.log(n);}41        // console.log(n);42    }43    44    console.log(next_number);45    return next_number;46}47// parseNumberSequence("example_input.txt");48// console.log(`${JSON.stringify(starter_sequence_arr)}`);49executeSequenceToTurn(10);50// parseNumberSequence("example2_input.txt");51// console.log(`${JSON.stringify(starter_sequence_arr)}`);52// executeSequenceToTurn(2020);53// parseNumberSequence("actual_input.txt");54// console.log(`${JSON.stringify(starter_sequence_arr)}`);55// executeSequenceToTurn(2020);56// parseNumberSequence("example2_input.txt");57// console.log(`${JSON.stringify(starter_sequence_arr)}`);58// executeSequenceToTurn(30000000);59// parseNumberSequence("actual_input.txt");60// console.log(`${JSON.stringify(starter_sequence_arr)}`);...

Using AI Code Generation

1module.exports = async function (argosy) {2  const nextNumber = argosy.pattern('NEXT_NUMBER')3  const number = await nextNumber()4  console.log(number)5}6See full documentation at [Argosy](

Automation Testing Tutorials

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