--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nodejs/canvas.js	Sat Aug 21 19:12:43 2010 +0800
@@ -0,0 +1,57 @@
+var mbfly = require("mbfly");
+var sys=require("sys");
+
+
+function canvas(app,root) {
+    this.mb_rt = app.mb_rt;
+    this.root = this.mb_rt.coord_new(root);
+	this.bg_r = 0;
+	this.bg_g = 0;
+	this.bg_b = 0;
+	this.bg_a = 0;
+	this.stroke_r = 0;
+	this.stroke_g = 0;
+	this.stroke_b = 0;
+	this.stroke_a = 0;
+	this.stroke_w = 1;
+}
+
+canvas.prototype.background=function(r,g,b,a) {
+    this.bg_r = r;
+	this.bg_g = g;
+	this.bg_b = b;
+	this.bg_a = a;
+}
+
+canvas.prototype.rect=function(x,y,w,h) {
+    var rect = this.mb_rt.rect_new(x,y,w,h,0,0);
+    var paint = this.mb_rt.paint_color_new(this.bg_r,this.bg_g,this.bg_b,this.bg_a);
+	paint.fill(rect);
+	this.root.add_shape(rect);
+}
+
+canvas.prototype.stroke=function(r,g,b,a) {
+    this.stroke_r = r;
+    this.stroke_g = g;
+    this.stroke_b = b;
+    this.stroke_a = a;
+}
+
+
+canvas.prototype.line=function(x1,y1,x2,y2) {
+    var s = "M "+x1+","+y1+" L "+x2+","+y2;
+	sys.puts(s);
+
+    var p = this.mb_rt.path_new(s);
+	this.root.add_shape(p);
+	var paint = this.mb_rt.paint_color_new(this.stroke_r,this.stroke_g,this.stroke_b,this.stroke_a);
+	paint.stroke(p);
+	p.stroke_width = this.stroke_w;
+}
+
+canvas.prototype.strokeWeight=function(w) {
+    this.stroke_w = w;
+}
+
+
+exports.canvas = canvas;