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

             reset();
             break;
         case SEGMENTS:
         /*
         @ segments color,x1,y1,x2,y2,...,x_n,y_n
-        @ draw multiple segments at given coordinates in color 'color'
+        @ draw multiple segments between points (x1:y1)--(x2:y2).....and... (x_n-1:y_n-1)--(x_n:y_n) in color 'color'
         @ use command 'linewidth int'  to adust size
         @ may be set draggable / onclick individually (!)
         */
             stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
             fill_color = stroke_color;
                     fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.*f,%.*f],[%.*f,%.*f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
                     click_cnt++;reset();
                     break;
+                }
+            }
+            break;
+        case LINES:
+        /*
+        @ lines color,x1,y1,x2,y2...x_n-1,y_n-1,x_n,y_n
+        @ draw multiple lines through points (x1:y1)--(x2:y2) ...(x_n-1:y_n-1)--(x_n:y_n) in color 'color'
+        @ or use multiple commands 'curve color,formula' or "jscurve color,formule" to draw the line <br />(uses more points to draw the line; is however better draggable)
+        @ may be set draggable / onclick
+        @ <b>Attention</b>: the flydraw command "lines" is equivalent to canvasdraw command "polyline"
+        */
+            stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
+            fill_color = stroke_color;
+            i=0;
+            while( ! done ){     /* get next item until EOL*/
+                if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
+                if(i%2 == 0 ){
+                    double_data[i] = get_real(infile,0); /* x */
+                }
+                else
+                {
+                    double_data[i] = get_real(infile,1); /* y */
+                }
+                i++;
+            }
+            decimals = find_number_of_digits(precision);
+            for(c = 0 ; c < i-1 ; c = c+4){
+                if( double_data[c] == double_data[c+2] ){ /* vertical line*/
+                    double_data[c+1] = xmin;
+                    double_data[c+3] = ymax;
+                    double_data[c+2] = double_data[c];
+                }
+                else
+                {
+                    if( double_data[c+1] == double_data[c+3] ){ /* horizontal line */
+                        double_data[c+3] = double_data[c+1];
+                        double_data[c] = ymin;
+                        double_data[c+2] = xmax;
+                    }
+                    else
+                    {
+                        /* m */
+                        double m = (double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]);
+                        /* q */
+                        double q = double_data[c+1] - ((double_data[c+3] - double_data[c+1]) /(double_data[c+2] - double_data[c]))*double_data[c];
+                        /*xmin,m*xmin+q,xmax,m*xmax+q*/
+                        double_data[c+1] = (m)*(xmin)+(q);
+                        double_data[c+3] = (m)*(xmax)+(q);
+                        double_data[c] = xmin;
+                        double_data[c+2] = xmax;
+                    }
+                }
+                fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.*f,%.*f],[%.*f,%.*f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s,%d,%d));\n",click_cnt,onclick,drag_type,decimals,double_data[c],decimals,double_data[c+2],decimals,double_data[c+1],decimals,double_data[c+3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix,slider,slider_cnt);
+                click_cnt++;
+            }
+            reset();
             break;
         case HALFLINE:
         /*
         @ demiline x1,y1,x2,y2,color
         @ alternative : halfline
+            }
             break;
         case POLYLINE:
         /*
         @ polyline color,x1,y1,x2,y2...x_n,y_n
+        @ alternatives:<br />polylines color,x1,y1,x2,y2...x_n,y_n<br />brokenline color,x1,y1,x2,y2...x_n,y_n<br />brokenlines color,x1,y1,x2,y2...x_n,y_n
+        @ draw a broken line interconnected between all points (not closed)
+        @ equivalent to flydraw command "line color,x1,y1,x2,y2...x_n,y_n"
+        @ use command "segments color,x1,y1,x2,y2...x_n,y_n" for not interconnected line segments.
         @ may be set draggable / onclick
         */
             stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
             i=0;
             c=0;
     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_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
         *xrange="xrange",
         *yrange="yrange",
         *rangex="rangex",
         *rangey="rangey",
         *polyline="polyline",
+        *polylines="polylines",
+        *brokenline="brokenline",
+        *brokenlines="brokenlines",
         *lines="lines",
         *poly="poly",
         *polygon="polygon",
         *fpolygon="fpolygon",
         *fpoly="fpoly",
+        }
         if( strcmp(input_type, fontfamily) == 0 ){
         free(input_type);
         return FONTFAMILY;
+        }
-        if( strcmp(input_type, lines) == 0  ||  strcmp(input_type, polyline) == 0 ){
+        if( strcmp(input_type, polyline) == 0 || strcmp(input_type, polylines) == 0 || strcmp(input_type, brokenline) == 0  || strcmp(input_type, brokenlines) == 0  ){
         free(input_type);
         return POLYLINE;
+        }
+        if( strcmp(input_type, lines) == 0 ){
+        free(input_type);
+        return LINES;
+        }
         if( strcmp(input_type, rect) == 0  ||  strcmp(input_type, rectangle) == 0 ){
         free(input_type);
         return RECT;
+        }

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 8349 → 8351