Mercurial > MadButterfly

changeset 1435:b12c513212af

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A prelimanary support for the SVG 1.2 flowRoot style text support. This is useless unless the region is rectangle. sort the scenes by layer and start attribute.
author wycc
date Mon, 11 Apr 2011 12:54:39 +0800
parents 4be04f29fa70
children a9e96291ef0b
files nodejs/svg.js
diffstat 1 files changed, 116 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/nodejs/svg.js	Mon Apr 11 12:52:09 2011 +0800
+++ b/nodejs/svg.js	Mon Apr 11 12:54:39 2011 +0800
@@ -78,10 +78,34 @@
             this.parseGroup(accu,coord,'root_coord',nodes[k]);
         } 
     }
+
+    this.sortScene();
 }
 
 
 
+loadSVG.prototype.sortScene=function()
+{
+    for(i=0;i<this.scenes.length;i++) {
+	sys.puts(this._groupMap[this.scenes[i].ref]);
+	sys.puts(this._groupMap[this.scenes[i].ref].layer);
+	this.scenes[i].layer = this._groupMap[this.scenes[i].ref].layer;
+    }
+    this.scenes.sort(function(a,b) {
+	if (a.layer > b.layer) return 1;
+	if (a.layer < b.layer) return -1;
+	if (a.start > b.start) return 1;
+	if (a.start < b.start) return -1;
+	return 0;
+    });
+    sys.puts("scenes");
+    for(i=0;i<this.scenes.length;i++) {
+	var s = this.scenes[i];
+        sys.puts(s.layer+": start="+s.start+" end="+s.end+" ref="+s.ref);
+    }
+
+}
+
 loadSVG.prototype.leaveSVG=function()
 {
     var p = this.pgstack.pop();
@@ -105,6 +129,7 @@
     mbname = n.attr("label");
     if(mbname&&(mbname.value()!="")) {
 	name = mbname.value();
+        sys.puts("defone object "+ name);
 	mb_rt.mbnames[name] = obj;
     }
     try {
@@ -213,6 +238,7 @@
 }
 function tspan_set_text(text)
 {
+    sys.puts("kkkkk "+text);
     this.text.set_text(text); 
 }
 
@@ -240,8 +266,14 @@
     var sz = 10;
     var face;
     var k;
-    var obj = this.mb_rt.stext_new(n.text(),x,y);
+    if (x == 0) x = coord.text_x;
+    if (y == 0) y = coord.text_y;
+    var obj = this.mb_rt.stext_new(n.text().trim(),x,y);
+    sys.puts("get text "+n.text().trim() +"at "+x+","+y);
     
+    tcoord.node = n;
+    n.coord = tcoord;
+    this._check_duplicate_src(n,tcoord);
     style = parse_style(n);
     for(k in pstyle) {
 	if(k in style)
@@ -637,9 +669,16 @@
 
     a = node.attr("bbox-x");
     if(!a) {
+	sys.puts("No bbox: "+node);
 	tgt.center = new Object();
 	tgt.center.x=0;
 	tgt.center.y=0;
+	tgt.center.rel = new Object();
+	tgt.center.rel.x=0;
+	tgt.center.rel.y=0;
+	tgt.bbox = new Object();
+        tgt.center.__proto__ = _center_proto;
+        tgt.center.owner = tgt;
 	return 0;
     }
     
@@ -813,6 +852,66 @@
     make_mbnames(this.mb_rt, n, pcoord);
 };
 
+loadSVG.prototype.parseFlowRegion=function(coord, n,style)
+{
+    var nodes = n.childNodes();
+
+    var k;
+
+    for(k in nodes) {
+	var c= nodes[k].name();
+	if (c == "rect") {
+	    // We support rectangle only for now. The x,y,w,h are extrcated and use by the flowPara latter.
+	    coord.text_x = getInteger(nodes[k],'x');
+	    coord.text_y = getInteger(nodes[k],'y');
+	    coord.text_w = getInteger(nodes[k],'width');
+	    coord.text_h = getInteger(nodes[k],'height');
+	}
+    }
+}
+loadSVG.prototype.parseFlowRoot=function(accu,coord, id, n) {
+    var nodes = n.childNodes();
+    var tcoord = this.mb_rt.coord_new(coord);
+    var trans = n.attr('transform');
+
+
+
+    tcoord.node = n;
+    n.coord = tcoord;
+    this._check_duplicate_src(n,tcoord);
+
+    if (trans)
+        parseTransform(tcoord,trans.value());
+    else {
+        tcoord.sx = 1;
+	tcoord.sy = 1;
+	tcoord.r = 0;
+	tcoord.tx = 0;
+	tcoord.ty = 0;
+    }
+    style = parse_style(n);
+    var nodes = n.childNodes();
+    var k;
+    for(k in nodes) {
+	var c= nodes[k].name();
+	if (c == "flowRegion") {
+	    this.parseFlowRegion(tcoord,nodes[k],style);
+	} else if (c == "flowPara") {
+	    this.parseTSpan(tcoord,nodes[k],style);
+	} else if (c == "flowDiv") {
+	}
+    }
+    var nx = coord[0]*tcoord.text_x+coord[1]*tcoord.text_y+coord[2];
+    if (coord.center.x > nx)
+        coord.center.x = nx;
+    var ny = coord[3]*tcoord.text_x+coord[4]*tcoord.text_y+coord[5];
+    if (coord.center.y > ny)
+        coord.center.y = ny;
+    this._set_bbox(n, tcoord);
+	
+    make_mbnames(this.mb_rt, n, tcoord);
+}
+
 loadSVG.prototype.parseText=function(accu,coord,id, n)
 {
     var nodes = n.childNodes();
@@ -826,6 +925,11 @@
     n.coord = tcoord;
     this._check_duplicate_src(n,tcoord);
 
+    tcoord.sx = 1;
+    tcoord.sy = 1;
+    tcoord.r = 0;
+    tcoord.tx = 0;
+    tcoord.ty = 0;
     if (n.attr('x')) {
 	var nx = coord[0]*x+coord[1]*y+coord[2];
 	if (coord.center.x > nx)
@@ -836,6 +940,7 @@
 	if (coord.center.y > ny)
 	    coord.center.y = ny;
     }
+
     style = parse_style(n);
     var nodes = n.childNodes();
     var k;
@@ -1076,7 +1181,12 @@
     } else {
         n.coord.isuse = false;
     }
-    var attr = n.attr('duplicate-src');
+
+    // A workaround, should be removed.
+    var attr = n.attr('saved_id');
+    if (attr) return;
+
+    attr = n.attr('duplicate-src');
     if (attr == null) {
         sys.puts("no duplicated" + n);
         return;
@@ -1088,6 +1198,7 @@
 	}
         this.mb_rt.mbnames[id].target = coord;
 	coord.refid = this.mb_rt.mbnames[id].id;
+	sys.puts("set the refid of "+id+" to be "+coord.refid);
     } catch(e) {
         sys.puts("id "+id+" is not defined");
     }
@@ -1106,6 +1217,7 @@
     
     n.coord = coord;
     coord.node = n;
+    n.layer = root.id;
     this._check_duplicate_src(n,coord);
 
     coord.center= new Object();
@@ -1142,6 +1254,8 @@
 	    this.parsePath(accu,coord, id, nodes[k]);
 	} else if (c == "text") {
 	    this.parseText(accu,coord, id, nodes[k]);
+	} else if (c == "flowRoot") {
+	    this.parseFlowRoot(accu, coord, id, nodes[k]);
 	} else if (c == "rect") {
 	    this.parseRect(accu_matrix,coord, id, nodes[k]);
 	} else if (c == "image") {