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

         */
             /* add simple eval check to avoid code injection with unprotected eval(string) */
             if( use_input_xy != 0 ){canvas_error("userinput_xy can not be combined with usertextarea_xy command");}
             if( use_safe_eval == FALSE){use_safe_eval = TRUE;add_safe_eval(js_include_file);} /* just once */
             use_input_xy = 1;
+            break;
+        case USERINPUT_FUNCTION:
+        /*
+        @ userinput_function
+        @ keyword
+        @ if set , a inputfield will be added to the page
+        @ the userinput value will be plotted in the canvas
+        @ this value may be read with 'read_canvas()'. <br />for do it yourself js-scripters : If this is the first inputfield in the script, it's id is canvas_input0
+        @ use before this command 'userinput_function',<br />commands like 'inputstyle some_css' , 'xlabel some_description' , 'opacity int,int' , 'linewidth int' , 'dashed' and 'dashtype int,int' to modify
+        @ incompatible with command 'intooltip link_text_or_image' : it uses the tooltip div for adding the inputfield
+        */
+            if( js_function[DRAW_JSFUNCTION] != 1 ){
+             js_function[DRAW_JSFUNCTION] = 1;
+             if(reply_format == 0){reply_format = 24;}/* read canvas_input values */
+             add_input_jsfunction(js_include_file,canvas_root_id,1,input_style,input_cnt,stroke_color,stroke_opacity,line_width,use_dashed,dashtype[0],dashtype[1]);
+             input_cnt++;
+            }
+            if( use_js_math == FALSE){/* add this stuff only once...*/
+             add_to_js_math(js_include_file);
+             use_js_math = TRUE;
+            }
+            if( use_js_plot == FALSE){
+             use_js_plot = TRUE;
+             add_jsplot(js_include_file,canvas_root_id); /* this plots the function on JSPLOT_CANVAS */
+            }
             break;
         case USERDRAW:
         /*
         @ userdraw object_type,color
         @ implemented object_type: <ul><li>point</li><li>points</li><li>crosshair</li><li>crosshairs</li><li>line</li><li>lines</li><li>vline</li><li>vlines</li><li>hline</li><li>hlines</li><li>segment</li><li>segments</li><li>polyline</li><li>circle</li><li>circles</li><li>arrow</li><li>arrow2 (double arrow)</li><li>arrows</li><li>arrows2 (double arrows)</li><li>triangle</li><li>polygon</li><li>poly[3-9]</li><li>rect</li><li>roundrect</li><li>rects</li><li>roundrects</li><li>freehandline</li><li>freehandlines</li><li>path</li><li>paths</li><li>text</li><li>arc</li><li>arcs</li><li>input<br/>place a single inputfield on 'canvas'<br />use commands 'inputstyle' for css styling: use command 'linewidth' for adjusting the input field size (default 1)</li><li>inputs<br/>place multiple inputfield : placing inputfields on top of each other is not possible</li></ul>
         @ may be combined with keyword 'userinput_xy' or
         @ note: when zooming / panning after a drawing, the drawing will NOT be zoomed / panned...this is a "design" flaw and not a feature <br />To avoid trouble do not use zooming / panning together width userdraw.!
         */
             if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
                 canvas_error("Only one userdraw primitive may be used: read documentation !!");
             }
             reply_precision = precision;
             use_userdraw = TRUE;
             fprintf(js_include_file,"\n<!-- begin userdraw mouse events -->\nuserdraw_x = new Array();userdraw_y = new Array();userdraw_radius = new Array();var xy_cnt=0;var canvas_userdraw = create_canvas%d(%d,xsize,ysize);var context_userdraw = canvas_userdraw.getContext(\"2d\");var use_dashed = %d;if(use_dashed == 1){if( context_userdraw.setLineDash ){context_userdraw.setLineDash([%d,%d]);}else{if(context_userdraw.mozDash){context_userdraw.mozDash = [%d,%d];};};};if(wims_status != \"done\"){canvas_div.addEventListener(\"mousedown\",user_draw,false);canvas_div.addEventListener(\"mousemove\",user_drag,false);canvas_div.addEventListener(\"touchstart\",user_draw,false);canvas_div.addEventListener(\"touchmove\",user_drag,false);}\n<!-- end userdraw mouse events -->",canvas_root_id,DRAW_CANVAS,use_dashed,dashtype[0],dashtype[1],dashtype[0],dashtype[1]);
             draw_type = get_string_argument(infile,0);
             stroke_color = get_color(infile,1);
             if( strcmp(draw_type,"point") == 0 ){
                 if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
                 if(reply_format == 0 ){reply_format = 8;}
                 /* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
                 if(use_input_xy == 1){
                     add_input_circle(js_include_file,1,1);
                     add_input_xy(js_include_file,canvas_root_id);
+                }
                 add_js_points(js_include_file,1,draw_type,line_width,line_width,stroke_color,stroke_opacity,1,stroke_color,stroke_opacity,0,1,1);
+            }
                 if(use_input_xy == 1){
                     add_input_circle(js_include_file,1,2);
                     add_input_xy(js_include_file,canvas_root_id);
+                }
                 add_js_points(js_include_file,2,draw_type,line_width,line_width,stroke_color,stroke_opacity,1,stroke_color,stroke_opacity,0,1,1);
             }
             else
             if( strcmp(draw_type,"segment") == 0 ){
                 if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
                 if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
                 if(reply_format == 0){reply_format = 11;}
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
                 if(use_input_xy == 1){
                     add_input_segment(js_include_file,1);
                     add_input_x1y1x2y2(js_include_file,canvas_root_id);
                 }
                 add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
+            }
             else
             if( strcmp(draw_type,"polyline") == 0 ){
                 if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
                 if(reply_format == 0){reply_format = 23;}
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
                 if( use_input_xy == 1 ){
                     add_input_polyline(js_include_file);
                     add_input_xy(js_include_file,canvas_root_id);
                 }
                 add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
+            }
             else
             if( strcmp(draw_type,"segments") == 0 ){
                 if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
                 if(reply_format == 0){reply_format = 10;}
                 /* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
                 if(use_input_xy == 1){
                     add_input_circle(js_include_file,2,1);
                     add_input_xyr(js_include_file,canvas_root_id);
                 }
                 add_js_circles(js_include_file,1,draw_type,line_width,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
+            }
             else
             if( strcmp(draw_type,"circles") == 0 ){
                 if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
                     add_input_xyr(js_include_file,canvas_root_id);
+                }
+            }
             else
             if(strcmp(draw_type,"crosshair") == 0 ){
                 if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
                 if(reply_format == 0){reply_format = 8;}
                 /* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
                 add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
                 if(use_input_xy == 1){
             else
             if(strcmp(draw_type,"freehandline") == 0 ){
                 if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
                 if(reply_format == 0){reply_format = 6;}
                 add_js_paths(js_include_file,1,draw_type,line_width,0,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
                 if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
+            }
             else
             if(strcmp(draw_type,"freehandlines") == 0 ){
                 if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
                 if(reply_format == 0){reply_format = 6;}
                 add_js_paths(js_include_file,2,draw_type,line_width,0,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
                 if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
             }
             else
             if(strcmp(draw_type,"path") == 0 ){
                 if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
                 if(reply_format == 0){reply_format = 6;}
                 add_js_paths(js_include_file,1,draw_type,line_width,1,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
                 if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
+            }
             else
             if(strcmp(draw_type,"paths") == 0 ){
                 if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
                 if(reply_format == 0){reply_format = 6;}
                 add_js_paths(js_include_file,2,draw_type,line_width,1,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
                 if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
             }
             else
             if(strcmp(draw_type,"arrows") == 0 ){
                 if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
                 if(reply_format == 0){reply_format = 11;}
                 add_js_arrows(js_include_file,2,draw_type,line_width,1,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
                 if(use_input_xy == 1){
                     add_input_arrow(js_include_file,2);
                     add_input_x1y1x2y2(js_include_file,canvas_root_id);
+                }
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
+            }
             else
             if(strcmp(draw_type,"arrows2") == 0 ){
                 if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
                 if(reply_format == 0){reply_format = 11;}
                 add_js_arrows(js_include_file,2,draw_type,line_width,2,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
                 if(use_input_xy == 1){
                     add_input_arrow(js_include_file,1);
                     add_input_x1y1x2y2(js_include_file,canvas_root_id);
                 }
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
+            }
             else
             if(strcmp(draw_type,"arrow2") == 0 ){
                 if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
             if( strcmp(draw_type,"line") == 0 ){
                 if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
                 if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
                 if(reply_format == 0){reply_format = 11;}
                 add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
                 if( use_input_xy == 1 ){
                     add_input_line(js_include_file,1);
                     add_input_x1y1x2y2(js_include_file,canvas_root_id);
+                }
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
+            }
                 if(reply_format == 0){reply_format = 27;}
                 add_js_inputs(js_include_file,canvas_root_id,1,input_cnt,input_style,line_width);
                 if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
                 if(use_input_xy == 2){ canvas_error("usertextarea_xy not yet implemented for this userdraw type !");}
+            }
             else
+            {
                 canvas_error("unknown drawtype or typo? ");
+            }
             reset();
         break;
             break;
         case CLEARBUTTON:
         /*
          @clearbutton value
          @adds a button to clear the userdraw canvas with text 'value'
+         @normally userdraw primitives have the option to use middle/right mouse button on<br /> a point of the object to remove this specific object...this clear button will remove all drawings
          @uses the tooltip placeholder div element: may not be used with command 'intooltip'
          @use command 'inputstyle' to style the button...
         */
             add_clear_button(js_include_file,canvas_root_id,input_style,get_string(infile,1));
         break;
         *nostatus="nostatus",
         *snaptogrid="snaptogrid",
         *xsnaptogrid="xsnaptogrid",
         *ysnaptogrid="ysnaptogrid",
         *userinput_xy="userinput_xy",
+        *userinput_function="userinput_function",
         *usertextarea_xy="usertextarea_xy",
         *jsmath="jsmath",
         *trace_jscurve="trace_jscurve",
         *setlimits="setlimits",
         *jscurve="jscurve",
         return YSNAPTOGRID;
+        }
         if( strcmp(input_type, userinput_xy) == 0 ){
         free(input_type);
         return USERINPUT_XY;
+        }
+        if( strcmp(input_type, userinput_function) == 0 ){
+        free(input_type);
+        return USERINPUT_FUNCTION;
+        }
         if( strcmp(input_type, usertextarea_xy) == 0 ){
         free(input_type);
         return USERTEXTAREA_XY;
+        }

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 8146 → 8193