MadButterfly: nodejs/svg.js comparison

comparison nodejs/svg.js @ 714:f53e45d1fcd0

Translate the svg.js as a nodejs module.

author	wycc
date	Fri, 13 Aug 2010 23:38:29 +0800
parents	e60ae262127b
children	b822b1912d67

comparison

equal deleted inserted replaced

-:e60ae262127b
+:f53e45d1fcd0
 var libxml = require('libxmljs');
 var sys=require('sys');
 var mbfly = require("mbfly");
-var mb_rt = new mbfly.mb_rt(":0.0", 720,480);
 var ldr = mbfly.img_ldr_new(".");
-var background = mb_rt.rect_new(0, 0, 720, 480, 0, 0);
-var paint = mb_rt.paint_color_new(1, 1, 1, 1);
-paint.fill(background);
-mb_rt.root.add_shape(background);
 var _std_colors = {
 "white": [1, 1, 1],
 "black": [0, 0, 0],
 "red": [1, 0, 0]
 };
-function MB_loadSVG(mb_rt,root,filename) {
+exports.loadSVG=function(mb_rt,root,filename) {
 var doc = libxml.parseXmlFile(filename);
 var nodes = doc.root().childNodes();
 var coord = mb_rt.coord_new(root);
 	var k;
+	this.mb_rt = mb_rt;
 for(k in nodes) {
 	    var n = nodes[k].name();
 		if (n == "defs") {
-		    _MB_parseDefs(root,nodes[k]);
+		    this.parseDefs(root,nodes[k]);
 		} else if (n == "g") {
-		    _MB_parseGroup(root,'root_coord',nodes[k]);
+		    this.parseGroup(root,'root_coord',nodes[k]);
 		}
 }
 }
 function getInteger(n,name)
 		    sys.puts("Unknown style: "+kv[0]);
 		}
 	}
 }
-function _MB_parseTSpan(coord, n,style)
+exports.parseTSpan=function(coord, n,style)
 {
 var x = getInteger(n,'x');
 var y = getInteger(n,'y');
-	var tcoord = mb_rt.coord_new(coord);
+	var tcoord = this.mb_rt.coord_new(coord);
 	var nodes = n.childNodes();
 	var k;
 sys.puts(n.text());
-var obj = mb_rt.stext_new(n.text(),x,y);
+var obj = this.mb_rt.stext_new(n.text(),x,y);
 parseTextStyle(style,n);
-style.paint = mb_rt.paint_color_new(1,1,1,1);
+style.paint = this.mb_rt.paint_color_new(1,1,1,1);
-style.face=mb_rt.font_face_query(style.family, 2, 100);
+style.face=this.mb_rt.font_face_query(style.family, 2, 100);
 	obj.set_style([[20,style.face,style.fs]]);
 	style.paint.fill(obj);
 	tcoord.add_shape(obj);
 	for(k in nodes) {
 	    var name = nodes[k].name();
 		if (name == "tspan") {
-		    _MB_parseTSpan(tcoord,nodes[k]);
+		    this.parseTSpan(tcoord,nodes[k]);
 		} else {
 		}
 	}
 }
-function _prepare_paint_color(color, alpha) {
+exports._prepare_paint_color=function(color, alpha) {
 var paint;
 var c;
 if (color[0]=='#') {
 	var r,g,b;
 	r = parseInt(color.substring(1,3),16)/256;
 	g = parseInt(color.substring(3,5),16)/256;
 	b = parseInt(color.substring(5,7),16)/256;
-	paint = mb_rt.paint_color_new(r, g, b, alpha);
+	paint = this.mb_rt.paint_color_new(r, g, b, alpha);
 } else if(_std_colors[color]) {
 	c = _std_colors[color];
-	paint = mb_rt.paint_color_new(c[0], c[1], c[2], alpha);
+	paint = this.mb_rt.paint_color_new(c[0], c[1], c[2], alpha);
 } else {
-	paint = mb_rt.paint_color_new(0,0,0,1);
+	paint = this.mb_rt.paint_color_new(0,0,0,1);
 }
 return paint;
 }
-function _MB_parsePath(coord,id, n)
+exports.parsePath=function(coord,id, n)
 {
 var d = n.attr('d').value();
 var style = n.attr('style');
-var path = mb_rt.path_new(d);
+var path = this.mb_rt.path_new(d);
 var paint;
 if (style==null) {
-	paint = mb_rt.paint_color_new(0,0,0,1);
+	paint = this.mb_rt.paint_color_new(0,0,0,1);
 	paint.fill(path);
 } else {
 	var items = style.value().split(';');
 	var fill_alpha = 1;
 	var stroke_alpha = 1;
 		stroke_alpha = parseFloat(f[1]);
 	    }
 	}
 	if(fill_color) {
-	    paint = _prepare_paint_color(fill_color, fill_alpha);
+	    paint = this._prepare_paint_color(fill_color, fill_alpha);
 	    paint.fill(path);
 	}
 	if(stroke_color) {
-	    paint = _prepare_paint_color(stroke_color, stroke_alpha);
+	    paint = this._prepare_paint_color(stroke_color, stroke_alpha);
 	    paint.stroke(path);
 	}
 	if(!stroke_color && !fill_color) {
-	    paint = mb_rt.paint_color_new(0, 0, 0, 1);
+	    paint = this.mb_rt.paint_color_new(0, 0, 0, 1);
 	    paint.fill(path);
 	}
 }
 coord.add_shape(path);
 }
-function _MB_parseText(coord,id, n)
+exports.parseText=function(coord,id, n)
 {
 var x = getInteger(n,'x');
 var y = getInteger(n,'y');
-	var tcoord = mb_rt.coord_new(coord);
+	var tcoord = this.mb_rt.coord_new(coord);
 var style = new Object();
 	style.fs = 20;
 	style.family = 'courier';
 	parseTextStyle(style,n);
 	var nodes = n.childNodes();
 	var k;
 	for(k in nodes) {
 	    var n = nodes[k].name();
 		if (n == "tspan") {
-	        _MB_parseTSpan(tcoord,nodes[k],style);
+	        this.parseTSpan(tcoord,nodes[k],style);
 		} else {
 		}
 	}
 		coord[4] = parseFloat(fields[3]);
 		coord[5] = parseFloat(fields[5]);
 	}
 }
-function _MB_parseRect(coord, id, n)
+exports.parseRect=function(coord, id, n)
 {
 var x = getInteger(n,'x');
 var y = getInteger(n,'y');
 var w = getInteger(n,'width');
 var h = getInteger(n,'height');
 	var paint;
 	var style = n.attr('style');
 	if (style==null) {
-		paint = mb_rt.paint_color_new(0,0,0,0.1);
+		paint = this.mb_rt.paint_color_new(0,0,0,0.1);
 	} else {
 	    var items = style.value().split(';');
 		var fill = '';
 		var alpha = 1;
 		for(i in items) {
 			r = parseInt(fill.substring(1,3),16)/256;
 			g = parseInt(fill.substring(3,5),16)/256;
 			b = parseInt(fill.substring(5,7),16)/256;
 			sys.puts("r="+r+" g="+g+" b="+b+" a="+alpha);
-		    paint = mb_rt.paint_color_new(r,g,b,parseFloat(alpha));
+		    paint = this.mb_rt.paint_color_new(r,g,b,parseFloat(alpha));
 		} else {
-	        paint = mb_rt.paint_color_new(0,0,0,1);
+	        paint = this.mb_rt.paint_color_new(0,0,0,1);
 		}
 	}
-	var rect = mb_rt.rect_new(x,y,w,h,10, 10);
+	var rect = this.mb_rt.rect_new(x,y,w,h,10, 10);
 	sys.puts("rect x="+x+" y="+y+" w="+w+" h="+h);
 	paint.fill(rect);
 	coord.add_shape(rect);
 }
-function _MB_parseGroup(root, group_id, n)
+exports.parseGroup=function(root, group_id, n)
 {
 var k;
 var nodes = n.childNodes();
-var coord = mb_rt.coord_new(root);
+var coord = this.mb_rt.coord_new(root);
 	// Parse the transform and style here
 	var trans = n.attr('transform');
 	if (trans!=null) {
 	    parseTransform(coord, trans.value());
 	}
 		var id;
 		if (attr) {
 		    id = attr.value();
 		}
 		if (n == "g") {
-		    _MB_parseGroup(coord, id, nodes[k]);
+		    this.parseGroup(coord, id, nodes[k]);
 		} else if (n == "path") {
-		    _MB_parsePath(coord, id, nodes[k]);
+		    this.parsePath(coord, id, nodes[k]);
 		} else if (n == "text") {
-		    _MB_parseText(coord, id, nodes[k]);
+		    this.parseText(coord, id, nodes[k]);
 		} else if (n == "rect") {
-		    _MB_parseRect(coord, id, nodes[k]);
+		    this.parseRect(coord, id, nodes[k]);
 		} else if (n == "image") {
-			_MB_parseImage(coord, id, nodes[k]);
+			this.parseImage(coord, id, nodes[k]);
 		}
 	}
 }
-function _MB_parseImage(coord,id, n)
+exports.parseImage=function(coord,id, n)
 {
 sys.puts("---> image");
 	var ref = n.attr('href').value();
 	if (ref == null) return;
 	x = parseInt(x.value());
 	y = n.attr("y");
 	if (y == null) return;
 	y = parseInt(y.value());
 	sys.puts("x="+x+",y="+y+",w="+w+",h="+h);
-	var img = mb_rt.image_new(x,y,w,h);
+	var img = this.mb_rt.image_new(x,y,w,h);
 	var img_data = ldr.load(ref);
 	sys.puts(img_data);
-	var paint = mb_rt.paint_image_new(img_data);
+	var paint = this.mb_rt.paint_image_new(img_data);
 	paint.fill(img);
 	coord.add_shape(img);
 }
-function _MB_parseDefs(root,n)
+exports.parseDefs=function(root,n)
 {
 var k;
 	var nodes = n.childNodes();
 	for(k in nodes) {
 		}
 	}
 }
-MB_loadSVG(mb_rt,mb_rt.root,"test.svg");
-mb_rt.redraw_all();
-mb_rt.flush();