# HG changeset patch
# User wycc
# Date 1284816231 -28800
# Node ID 76fe4afce640f68d384c6b4ad2047744c8a5c339
# Parent  ce6cd06adccf4dba5bbc4d6a9ccf9f59b48b4a15
The inkscape:bbox is defined as the global coordinate system. However, the center.x and center.y must be the coordiante system of the parent group of the SVG entity. Therefore, we need to do coordinate transformation from the global coordination system to the local coordination system.

diff -r ce6cd06adccf -r 76fe4afce640 nodejs/svg.js
--- a/nodejs/svg.js	Fri Sep 17 16:26:14 2010 +0800
+++ b/nodejs/svg.js	Sat Sep 18 21:23:51 2010 +0800
@@ -254,7 +254,7 @@
     
     a = node.attr("bbox-x");
     if(!a)
-	return;
+	return 0;
     
     tgt.bbox = bbox = new Object();
     vstr = a.value();
@@ -275,17 +275,20 @@
 
     tgt.center = center = new Object();
     
-    center.x = bbox.width / 2 + bbox.x;
-    center.y = bbox.height / 2 + bbox.y;
+    //center.x = bbox.width / 2 + bbox.x;
+    //center.y = bbox.height / 2 + bbox.y;
+    center.x = bbox.x;
+    center.y = bbox.y;
     a = node.attr("transform-center-x");
     if(!a)
-	return;
+	return 1;
     
     vstr = a.value();
     center.x += parseFloat(vstr);
     a = node.attr("transform-center-y");
     vstr = a.value();
     center.y -= parseFloat(vstr);
+    return 1;
 }
 
 loadSVG.prototype._set_paint = function(node, tgt) {
@@ -460,22 +463,26 @@
 	
     var style = n.attr('style');
 
-    if (trans) {
+    if (trans)
         parseTransform(tcoord,trans.value());
-        //var m = [1,0,0,0,1,0];
-        //multiply(m,tcoord);
-        rx = tcoord[0]*x+tcoord[1]*y+tcoord[2];
-        ry = tcoord[3]*x+tcoord[4]*y+tcoord[5];
-    }
-
-    if (coord.center.x > rx)
-        coord.center.x = rx;
-    if (coord.center.y > ry)
-        coord.center.y = ry;
 
     var rect = this.mb_rt.rect_new(x,y,w,h,10, 10);
     this._set_paint(n, rect);
-    this._set_bbox(n, tcoord);
+    if (this._set_bbox(n, tcoord)) {
+        rx = accu_matrix[0]*tcoord.center.x+accu_matrix[1]*tcoord.center.y+accu_matrix[2];
+        ry = accu_matrix[3]*tcoord.center.x+accu_matrix[4]*tcoord.center.y+accu_matrix[5];
+	tcoord.center.x -= accu_matrix[2]+tcoord[2];
+	tcoord.center.y -= accu_matrix[2]+tcoord[2];
+    } else {
+        if (trans) {
+            rx = tcoord[0]*x+tcoord[1]*y+tcoord[2];
+            ry = tcoord[3]*x+tcoord[4]*y+tcoord[5];
+            if (tcoord.center.x > rx)
+                tcoord.center.x = rx;
+            if (tcoord.center.y > ry)
+                tcoord.center.y = ry;
+	}
+    }
     tcoord.add_shape(rect);
 
     make_mbnames(this.mb_rt, n, tcoord);
@@ -563,7 +570,11 @@
     if (root.center.y > coord.center.y)
 	root.center.y = coord.center.y;
 
-    this._set_bbox(n, coord);
+    if (this._set_bbox(n, coord)) {
+        coord.center.x -= accu[2];
+        coord.center.y -= accu[5];
+    }
+    sys.puts("coord.center.x="+coord.center.x+",coord.center.y="+coord.center.y);
     
     make_mbnames(this.mb_rt, n, coord);
 };
@@ -615,7 +626,10 @@
     paint.fill(img);
     tcoord.add_shape(img);
     
-    this._set_bbox(n, img);
+    if (this._set_bbox(n, img)) {
+        img.center.x -= accu[2]+coord[2];
+        img.center.y -= accu[5]+coord[5];
+    }
 
     make_mbnames(this.mb_rt, n, img);
 };