WebSVN – wimsdev – Diff – /trunk/wims/src/Misc/canvasdraw/canvasdraw.c

     double angle = 0.0;
     int translate_x = 0;
     int translate_y = 0;
     int clickfillmarge = 20;
     int animation_type = 9; /* == object type curve in drag library */
-    int use_input_xy = 0;
+    int use_input_xy = 0; /* 1= input fields 2= textarea 3=calc y value*/
     size_t string_length = 0;
     double stroke_opacity = 0.8;
     double fill_opacity = 0.8;
     char *URL = "http://localhost/images";
     memset(buffer,'\0',MAX_BUFFER);
             for(c = 0 ; c < i; c++){
              fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,16,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,eval_levelcurve(xsize,ysize,fun1,xmin,xmax,ymin,ymax,plot_steps,precision,double_data[c]),line_width,line_width,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
              click_cnt++;
+            }
             reset();
+            break;
+        case TRACE_JSMATH:
+        /*
+         @trace_jsmath some_javascript_math_function
+         @will use a crosshair to trace the jsmath curve
+         @two inputfields will display the current x/y-values (approximated)
+         @use linewidth,strokecolor,crosshairsize to adjust the corsshair.
+         @example: trace_jsmath Math.pow(x,2)+4*x+16
+         @example: trace_jsmath Math.sin(Math.pow(x,Math.Pi))+Math.sqrt(x)
+         @no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
+        */
+            if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
+            add_trace_js_mouse(js_include_file,TRACE_CANVAS,canvas_root_id,stroke_color,get_string(infile,1),font_size,stroke_opacity,line_width,crosshair_size);
+            if(use_mouse_coordinates == TRUE){canvas_error("trace_jsmath can not be combined with command 'mouse'");}
+            use_mouse_coordinates = TRUE; /* will add & call function "use_mouse_coordinates(){}" in current_canvas /current_context */
+            break;
+        case JSMATH:
+        /*
+            @jsmath some_javascript_math_function
+            @will calculate an y-value from a userinput x-value and draws a crosshairs on these coordinates.
+            @example: jsmath Math.pow(x,2)+4*x+16
+            @example: jsmath Math.sin(Math.pow(x,Math.Pi))+Math.sqrt(x)
+            @no check is done on the validity of your function and/or syntax<br />use error console to debug any errors...
+        */
+            if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
+            add_calc_y(js_include_file,canvas_root_id,get_string(infile,1));
             break;
         case CURVE:
         /*
          @curve color,formula(x)
          @plot color,formula(x)
         case MOUSE:
         /*
          @ mouse color,fontsize
          @ will display the cursor coordinates  in 'color' and 'font size'<br /> using default fontfamily Ariel
         */
+            if(use_mouse_coordinates == TRUE){canvas_error("trace_jsmath can not be combined with command 'mouse'");}
             use_mouse_coordinates = TRUE; /* will add & call function "use_mouse_coordinates(){}" in current_canvas /current_context */
             stroke_color = get_color(infile,0);
             font_size = (int) (get_real(infile,1));
             add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity);
             break;
             @ link_text may also be an image URL http://some_server/images/my_image.png
             @ link_text may contain HTML markup
             @ the canvas will be displayed in a tooltip on 'link_text'
             @ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
             */
-            if(use_input_xy == TRUE){canvas_error("intooltip can not be combined with userinput_xy command");}
+            if(use_input_xy != FALSE ){canvas_error("intooltip can not be combined with userinput_xy command");}
             use_tooltip = TRUE;
             tooltip_text = get_string(infile,1);
             if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
             break;
         case AUDIO:
                     case 3: fill_color = get_color(infile,1);
                         string_length = snprintf(NULL,0,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
                         tmp_buffer = my_newmem(string_length+1);
                         snprintf(tmp_buffer,string_length,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
                         fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
                         add_to_buffer(tmp_buffer);
                         break;
                     default:break;
                 }
+            }
             break;
         case YLOGSCALE:
         /*
          @ ylogscale xmajor,xminor,majorcolor,minorcolor
     r in pixels
 = x1,x2,x3,x4....x_n
     y1,y2,y3,y4....y_n
     r1,r2,r3,r4....r_n
     x/y in  xrange / yrange coordinate system
     r in pixels
 = Ax1,Ax2,Ax3,Ax4....Ax_n
     Ay1,Ay2,Ay3,Ay4....Ay_n
     Bx1,Bx2,Bx3,Bx4....Bx_n
  }\
  else\
  {\
   if( typeof userdraw_text != 'undefined' ){\
    return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply_x+\"\\n\"+reply_y;\
   };\
  };\
 };\
 this.read_canvas = read_canvas;\n\
 <!-- end function 2 read_canvas() -->");
     break;
     case 3: fprintf(js_include_file,"\
 \n<!-- begin function 3 read_canvas() -->\n\
 function read_canvas(){\
  if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
  if( document.getElementById(\"canvas_input0\") || document.getElementById(\"mathml0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    var t = 0;\
    while(document.getElementById(\"canvas_input\"+t)){\
     if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
      input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
   }\
  }\
  else\
  {\
   if( typeof userdraw_text != 'undefined' ){\
    return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
   }\
   else\
   {\
    return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
   }\
  }\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
   }\
  };\
 };\
 this.read_canvas = read_canvas;\n\
 <!-- end function 4 read_canvas() -->");
     break;
     /*
         attention: we reset userdraw_x / userdraw_y  : because  userdraw_x = [][] userdraw_y = [][]
         used for userdraw multiple paths
     */
     case 5: fprintf(js_include_file,"\
 \n<!-- begin function 5 read_canvas() -->\n\
 function read_canvas(){\
  var p = 0;\
  var reply = \"\";\
  for(p = 0; p < userdraw_x.length;p++){\
   if(userdraw_x[p] != null ){\
    reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
   };\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
  userdraw_x = [];userdraw_y = [];\
  if( document.getElementById(\"canvas_input0\") || document.getElementById(\"mathml0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    var t = 0;\
    while(document.getElementById(\"canvas_input\"+t)){\
     if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
      input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
   }\
   else\
   {\
    return reply;\
   }\
  };\
 };\
 this.read_canvas = rdad_canvas;\n\
 <!-- end function 5 read_canvas() -->");
     break;
     /*
    reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
   };\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
  userdraw_x = [];userdraw_y = [];\
  if( document.getElementById(\"canvas_input0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    var t = 0;\
    while(document.getElementById(\"canvas_input\"+t)){\
     if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
      input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply +\"\\n\"+input_reply;\
   }\
  }\
  else\
  {\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply;\
   }\
  };\
 };\
 this.read_canvas = read_canvas;\n\
 <!-- end function 6 read_canvas() -->");
     break;
     case 7: fprintf(js_include_file,"\
 \n<!-- begin function 7 read_canvas() -->\n\
 function read_canvas(){\
  var reply = new Array();\
  var p = 0;\
 function read_canvas(){\
  var reply = new Array();\
  var p = 0;\
  while(userdraw_x[p]){\
   reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]);\
   p++;\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
  if( document.getElementById(\"canvas_input0\") || document.getElementById(\"mathml0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    var t = 0;\
    while(document.getElementById(\"canvas_input\"+t)){\
     if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
      input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply +\"\\n\"+input_reply;\
   }\
  }\
  else\
  {\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply;\
   }\
  };\
 };\
 this.read_canvas = read_canvas;\n\
 <!-- end function 8 read_canvas() -->");
     break;
     case 9: fprintf(js_include_file,"\
 \n<!-- begin function 9 read_canvas() -->\n\
 function read_canvas(){\
  var reply = new Array();\
  var p = 0;\
  while(userdraw_x[p]){\
   reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
   p++;\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
  if( document.getElementById(\"canvas_input0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply +\"\\n\"+input_reply;\
   }\
  }\
  else\
  {\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+userdraw_text;\
 function read_canvas(){\
  var reply = new Array();\
  var p = 0;\
  while(userdraw_x[p]){\
   reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + userdraw_radius[p];\
   p++;\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
  if( document.getElementById(\"canvas_input0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    var t = 0;\
    while(document.getElementById(\"canvas_input\"+t)){\
     if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
      input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply +\"\\n\"+input_reply;\
   }\
  }\
  else\
  {\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply;\
   }\
  };\
 };\
 this.read_canvas = read_canvas;\n\
 <!-- end function 10 read_canvas() -->");
     break;
     case 11: fprintf(js_include_file,"\
 \n<!-- begin function 11 read_canvas() -->\n\
 function read_canvas(){\
  var reply = \"\";\
  var p = 0;\
  while(userdraw_x[p]){\
   reply = reply + px2x(userdraw_x[p]) +\",\" + px2y(userdraw_y[p]) +\",\" + px2x(userdraw_x[p+1]) +\",\" + px2y(userdraw_y[p+1]) +\"\\n\" ;\
   p = p+2;\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply +\"\\n\"+input_reply;\
   }\
  }\
  else\
  {\
  var reply = \"\";\
  var p = 0;\
  for(p = 0; p< userdraw_x.lenght;p = p+2){\
   if(userdraw_x[p] != null){\
     reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
   };\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
  if( document.getElementById(\"canvas_input0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    var t = 0;\
    while(document.getElementById(\"canvas_input\"+t)){\
     if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
      input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply +\"\\n\"+input_reply;\
   }\
  }\
  else\
  {\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+userdraw_text\
   }\
   else\
   {\
    return reply;\
   }\
  };\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply +\"\\n\"+input_reply;\
  var reply = new Array();\
  var p = 0;var i = 0;\
  while(userdraw_x[p]){\
   reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
   p = p+2;i++;\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
  if( document.getElementById(\"canvas_input0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    var t = 0;\
    while(document.getElementById(\"canvas_input\"+t)){\
     if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
  }\
  else\
  {\
   if( typeof userdraw_text != 'undefined' ){\
    return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply_x+\"\\n\"+reply_y;\
   };\
  };\
         *snaptogrid="snaptogrid",
         *xsnaptogrid="xsnaptogrid",
         *ysnaptogrid="ysnaptogrid",
         *userinput_xy="userinput_xy",
         *usertextarea_xy="usertextarea_xy",
+        *jsmath="jsmath",
+        *trace_jsmath="trace_jsmath",
         *sgraph="sgraph";
         while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
             if( i == 0 && (c == ' ' || c == '\t') ){
         continue; /* white spaces or tabs allowed before first command identifier */
         return USERTEXTAREA_XY;
+        }
         if( strcmp(input_type, sgraph) == 0 ){
         free(input_type);
         return SGRAPH;
+        }
+        if( strcmp(input_type, jsmath) == 0 ){
+        free(input_type);
+        return JSMATH;
+        }
+        if( strcmp(input_type, trace_jsmath) == 0 ){
+        free(input_type);
+        return TRACE_JSMATH;
+        }
         free(input_type);
         ungetc(c,infile);
         return 0;
+}

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 7797 → 7823