First Vesion
git-svn-id: http://svg-edit.googlecode.com/svn/trunk@2 eee81c28-f429-11dd-99c0-75d572ba1ddd
This commit is contained in:
Narendra Sisodiya
412
blanksvg.js
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412
blanksvg.js
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SVGDocument = null;
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var svgns = "http://www.w3.org/2000/svg";
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var d_attr = 0 ;
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var signature_started = 0 ;
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var path_elememt = 0 ;
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var path_num = 1 ;
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var rect_num = 1 ;
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var line_num = 1 ;
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var ellipse_num = 1 ;
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var rect_x = null ;
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var rect_y = null ;
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top.clear_svg = SVGclear_svg ;
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top.set_draw_mode = SVGset_draw_mode ;
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top.submit_svg = SVGsubmit_svg ;
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top.set_stroke_color = SVGset_stroke_color;
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top.set_fill_color = SVGset_fill_color;
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top.set_stroke_width = SVGset_stroke_width ;
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var current_draw_element = "path" ;
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var current_draw_element_fill = "none" ;
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var current_draw_element_stroke_width = "1px" ;
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var current_draw_element_stroke = "black" ;
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var freehandcircle_min_x = null ;
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var freehandcircle_max_x = null ;
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var freehandcircle_min_y = null ;
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var freehandcircle_max_y = null ;
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function SVGset_draw_mode(ele_name) {
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current_draw_element = ele_name;
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}
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function SVGset_stroke_color(col_hex){
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current_draw_element_stroke = col_hex;
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}
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function SVGset_fill_color(col_hex){
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current_draw_element_fill = col_hex;
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}
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function SVGset_stroke_width(val){
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current_draw_element_stroke_width = val;
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}
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function Initialize(LoadEvent)
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{
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SVGDocument = LoadEvent.target.ownerDocument
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}
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function fun_mouseUP(evt)
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{
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signature_started = 0 ;
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switch (current_draw_element)
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{
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case "path":
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d_attr = 0 ;
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path_num = path_num + 1 ;
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break
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case "rect":
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rect_num = rect_num + 1 ;
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break
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case "line":
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line_num = line_num + 1 ;
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break
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case "ellipse":
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ellipse_num = ellipse_num + 1 ;
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break
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case "freehandcircle":
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d_attr = 0 ;
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path_num = path_num + 1 ;
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create_svg_element_by_json({
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"element": "ellipse",
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"cx": (freehandcircle_min_x + freehandcircle_max_x ) / 2,
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"cy": (freehandcircle_min_y + freehandcircle_max_y ) / 2,
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"rx": (freehandcircle_max_x - freehandcircle_min_x ) / 2 + "px",
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"ry": (freehandcircle_max_y - freehandcircle_min_y ) / 2 + "px",
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"id": "ellipse_" + ellipse_num,
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"fill": current_draw_element_fill,
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"stroke": current_draw_element_stroke,
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"strokeWidth": current_draw_element_stroke_width
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});
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}//switch
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}
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function fun_mouseDOWN(evt)
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{
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var x = evt.pageX;
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var y = evt.pageY;
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switch (current_draw_element)
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{
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case "freehandcircle":
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d_attr = "M" + x + " " + y + " ";
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signature_started = 1 ;
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//SVG_insert_to_svg();//create element
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create_svg_element_by_json({
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"element": "path",
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"d": d_attr,
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"id": "path_" + path_num,
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"fill": "none",
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"stroke": current_draw_element_stroke,
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"strokeWidth": current_draw_element_stroke_width
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});
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freehandcircle_min_x = x ;
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freehandcircle_max_x = x ;
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freehandcircle_min_y = y ;
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freehandcircle_max_y = y ;
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break
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case "path":
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d_attr = "M" + x + " " + y + " ";
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signature_started = 1 ;
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//SVG_insert_to_svg();//create element
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create_svg_element_by_json({
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"element": "path",
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"d": d_attr,
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"id": "path_" + path_num,
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"fill": "none",
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"stroke": current_draw_element_stroke,
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"strokeWidth": current_draw_element_stroke_width
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});
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break
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case "rect":
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signature_started = 1 ;
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rect_x = x ;
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rect_y = y ;
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create_svg_element_by_json({
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"element": "rect",
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"x": x,
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"y": y,
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"width": "1px",
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"height": "1px",
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"id": "rect_" + rect_num,
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"fill": current_draw_element_fill,
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"stroke": current_draw_element_stroke,
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"strokeWidth": current_draw_element_stroke_width
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});
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break
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case "line":
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signature_started = 1 ;
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create_svg_element_by_json({
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"element": "line",
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"x1": x,
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"y1": y,
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"x2": x + 1 + "px",
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"y2": y + 1 + "px",
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"id": "line_" + line_num,
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"stroke": current_draw_element_stroke,
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"strokeWidth": current_draw_element_stroke_width
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});
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break
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case "ellipse":
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signature_started = 1 ;
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create_svg_element_by_json({
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"element": "ellipse",
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"cx": x,
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"cy": y,
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"rx": 1 + "px",
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"ry": 1 + "px",
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"id": "ellipse_" + ellipse_num,
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"fill": current_draw_element_fill,
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"stroke": current_draw_element_stroke,
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"strokeWidth": current_draw_element_stroke_width
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});
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break
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}//switch
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}
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function fun_mouseMOVE(evt)
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{
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if (signature_started == 1 )
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{
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var x = evt.pageX;
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var y = evt.pageY;
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switch (current_draw_element)
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{
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case "path":
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d_attr = d_attr + "L" + x + " " + y + " ";
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var shape = SVGDocument.getElementById("path_" + path_num);
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shape.setAttributeNS(null, "d", d_attr);
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break
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case "rect":
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var shape = SVGDocument.getElementById("rect_" + rect_num);
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var start_x = shape.getAttributeNS(null, "x");
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var start_y = shape.getAttributeNS(null, "y");
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if(rect_x < x ){
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shape.setAttributeNS(null, "x", rect_x);
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shape.setAttributeNS(null, "width", x - rect_x);
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}else{
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shape.setAttributeNS(null, "x", x);
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shape.setAttributeNS(null, "width", rect_x - x);
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}
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if(rect_y < y ){
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shape.setAttributeNS(null, "y", rect_y);
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shape.setAttributeNS(null, "height", y - rect_y);
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}else{
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shape.setAttributeNS(null, "y", y);
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shape.setAttributeNS(null, "height", rect_y - y);
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}
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break
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case "line":
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var shape = SVGDocument.getElementById("line_" + line_num);
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shape.setAttributeNS(null, "x2", x);
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shape.setAttributeNS(null, "y2", y);
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break
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case "ellipse":
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var shape = SVGDocument.getElementById("ellipse_" + ellipse_num);
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var cx = shape.getAttributeNS(null, "cx");
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var cy = shape.getAttributeNS(null, "cy");
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var rad = Math.sqrt( (x-cx)*(x-cx) + (y-cy)*(y-cy) );
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shape.setAttributeNS(null, "rx", rad);
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shape.setAttributeNS(null, "ry", rad);
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break;
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case "freehandcircle":
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d_attr = d_attr + "L" + x + " " + y + " ";
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var shape = SVGDocument.getElementById("path_" + path_num);
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shape.setAttributeNS(null, "d", d_attr);
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freehandcircle_min_x = min_of(x , freehandcircle_min_x ) ;
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freehandcircle_max_x = max_of(x , freehandcircle_max_x ) ;
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freehandcircle_min_y = min_of(y , freehandcircle_min_y ) ;
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freehandcircle_max_y = max_of(y , freehandcircle_max_y ) ;
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break;
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}//switch
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}//if
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}//function
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function min_of(a ,b){
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if (a < b ) { return a ;}
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else {return b ;}
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}
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function max_of(a ,b){
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if (a > b ) { return a ;}
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else {return b ;}
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}
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function SVG_insert_to_svg()
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{
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var shape = SVGDocument.createElementNS(svgns, "path");
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shape.setAttributeNS(null, "d", d_attr);
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shape.setAttributeNS(null, "id", "path_" + path_num);
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shape.setAttributeNS(null, "fill", "none");
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shape.setAttributeNS(null, "stroke", "green");
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SVGDocument.documentElement.appendChild(shape);
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}
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function create_svg_element_by_json(data)
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{
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var shape = SVGDocument.createElementNS(svgns, data.element);
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switch (data.element)
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{
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case "freehandcircle":
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case "path":
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shape.setAttributeNS(null, "d", data.d_attr);
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shape.setAttributeNS(null, "id", data.id);
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shape.setAttributeNS(null, "fill", data.fill);
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shape.setAttributeNS(null, "stroke", data.stroke);
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shape.setAttributeNS(null, "stroke-width", data.strokeWidth);
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SVGDocument.documentElement.appendChild(shape);
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break
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case "rect":
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shape.setAttributeNS(null, "x", data.x);
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shape.setAttributeNS(null, "y", data.y);
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shape.setAttributeNS(null, "width", data.width);
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shape.setAttributeNS(null, "height", data.height);
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shape.setAttributeNS(null, "id", data.id);
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shape.setAttributeNS(null, "fill", data.fill);
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shape.setAttributeNS(null, "stroke", data.stroke);
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shape.setAttributeNS(null, "stroke-width", data.strokeWidth);
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SVGDocument.documentElement.appendChild(shape);
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break
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case "line":
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shape.setAttributeNS(null, "x1", data.x1);
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shape.setAttributeNS(null, "x2", data.x2);
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shape.setAttributeNS(null, "y1", data.y1);
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shape.setAttributeNS(null, "y2", data.y2);
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shape.setAttributeNS(null, "id", data.id);
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shape.setAttributeNS(null, "stroke", data.stroke);
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shape.setAttributeNS(null, "stroke-width", data.strokeWidth);
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SVGDocument.documentElement.appendChild(shape);
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break
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case "ellipse":
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shape.setAttributeNS(null, "cx", data.cx);
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shape.setAttributeNS(null, "cy", data.cy);
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shape.setAttributeNS(null, "rx", data.rx);
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shape.setAttributeNS(null, "ry", data.ry);
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shape.setAttributeNS(null, "id", data.id);
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shape.setAttributeNS(null, "fill", data.fill);
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shape.setAttributeNS(null, "stroke", data.stroke);
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shape.setAttributeNS(null, "stroke-width", data.strokeWidth);
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SVGDocument.documentElement.appendChild(shape);
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break
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}//switch
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}
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function SVGclear_svg()
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{
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for(var i=1; i<path_num; i++){
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var element = SVGDocument.getElementById("path_" + i);
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if(element != null ) { element.parentNode.removeChild(element); }
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}
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path_num = 1 ;
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}
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var out = "", indent=0;
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function SvgToString(elem)
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{
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out = "" ;
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if (elem)
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{
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var attrs = elem.attributes;
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var attr;
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var i;
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var childs = elem.childNodes;
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for (i=0; i<indent; i++) out += " ";
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out += "<" + elem.nodeName;
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for (i=attrs.length-1; i>=0; i--)
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{
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attr = attrs.item(i);
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out += " " + attr.nodeName + "=\"" + attr.nodeValue+ "\"";
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}
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if (elem.hasChildNodes())
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{
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out += ">\n";
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indent++;
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for (i=0; i<childs.length; i++)
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{
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if (childs.item(i).nodeType == 1) // element node ..
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SvgToString(childs.item(i));
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else if (childs.item(i).nodeType == 3) // text node ..
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{
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for (j=0; j<indent; j++) out += " ";
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out += childs.item(i).nodeValue + "\n";
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}
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}
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indent--;
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for (i=0; i<indent; i++) out += " ";
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out += "</" + elem.nodeName + ">\n";
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}
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else
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{
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out += " />\n";
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}
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}
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return out;
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}
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function SVGsubmit_svg(){
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var str = "<?xml version=\"1.0\" standalone=\"no\"?> \
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<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \
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\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\"> \n \<svg width=\"100%\" height=\"100%\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\"> \n ";
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for(var i=1; i<path_num; i++){
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var element = SVGDocument.getElementById("path_" + i);
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if(element != null ) { str = str + SvgToString(element);}
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}
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str = str + "</svg>"
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top.return_str_to_html(str);
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}
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Reference in New Issue
Block a user