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module Rubyvis
module SvgScene
def self.panel(scenes)
puts " -> panel: #{scenes.inspect}" if $DEBUG
g=scenes._g
#e=(g.nil?) ? nil : g.elements[1]
e=(g.nil?) ? nil : g.get_element(1)
if g
#e=g.elements[1]
e=g.get_element(1)
end
scenes.each_with_index do |s,i|
next unless s.visible
if(!scenes.parent)
if g and g.parent!=s.canvas
#g=s.canvas.elements[1]
g=s.canvas.get_element(1)
#e=(@g.nil?) ? nil : @g.elements[1]
e=(@g.nil?) ? nil : @g.get_element(1)
end
if(!g)
g=s.canvas.add_element(self.create('svg'))
g.set_attributes(
{
'font-size'=>"10px",
'font-family'=>'sans-serif',
'fill'=>'none',
'stroke'=>'none',
'stroke-width'=>1.5
}
)
e=g.get_element(1)
# g.attributes["font-size"]="10px"
# g.attributes["font-family"]="sans-serif"
# g.attributes["fill"]="none"
# g.attributes["stroke"]="none"
# g.attributes["stroke-width"]=1.5
# e=g.elements[1]
end
scenes._g=g
#p s
g.set_attributes({
'width'=>s.width+s.left+s.right,
'height'=>s.height+s.top+s.bottom
})
#g.attributes['width']=s.width+s.left+s.right
#g.attributes['height']=s.height+s.top+s.bottom
end
if s.overflow=='hidden'
id=Rubyvis.id.to_s(36)
c=self.expect(e,'g',{'clip-path'=>'url(#'+id+')'});
g.add_element(c) if(!c.parent)
scenes._g=g=c
#e=c.elements[1]
e=c.get_element(1)
e=self.expect(e,'clipPath',{'id'=>id})
#r=(e.elements[1]) ? e.elements[1] : e.add_element(self.create('rect'))
r=(e.get_element(1)) ? e.get_element(1) : e.add_element(self.create('rect'))
r.set_attributes({
'x'=>s.left,
'y'=>s.top,
'width'=>s.width,
'height'=>s.height
})
#r.attributes['x']=s.left
#r.attributes['y']=s.top
#r.attributes['width']=s.width
#r.attributes['height']=s.height
g.add_element(e) if !e.parent
e=e.next_sibling_node
end
# fill
e=self.fill(e,scenes, i)
# transform
k=self.scale
t=s.transform
x=s.left+t.x
y=s.top+t.y
SvgScene.scale=SvgScene.scale*t.k
# children
s.children.each_with_index {|child, i2|
child._g=e=SvgScene.expect(e, "g", {
"transform"=> "translate(" + x.to_s + "," + y.to_s + ")" + (t.k != 1 ? " scale(" + t.k.to_s + ")" : "")
})
SvgScene.update_all(child)
g.add_element(e) if(!e.parent)
e=e.next_sibling_node
}
# transform (pop)
SvgScene.scale=k
# stroke
e=SvgScene.stroke(e,scenes,i)
# clip
if (s.overflow=='hidden')
scenes._g=g=c.parent
e=c.next_sibling_node
end
end
return e
end
def self.fill(e,scenes,i)
s=scenes[i]
fill=s.fill_style
if(fill.opacity>0 or s.events=='all')
e=SvgScene.expect(e,'rect', {
"shape-rendering"=> s.antialias ? nil : "crispEdges",
"pointer-events"=> s.events,
"cursor"=> s.cursor,
"x"=> s.left,
"y"=> s.top,
"width"=> s.width,
"height"=> s.height,
"fill"=> fill.color,
"fill-opacity"=> fill.opacity,
"stroke"=> nil
})
e=SvgScene.append(e,scenes, i)
end
e
end
def self.stroke(e, scenes, i)
s = scenes[i]
stroke = s.stroke_style
if (stroke.opacity>0 or s.events == "all")
e = self.expect(e, "rect", {
"shape-rendering"=> s.antialias ? nil : "crispEdges",
"pointer-events"=> s.events == "all" ? "stroke" : s.events,
"cursor"=> s.cursor,
"x"=> s.left,
"y"=> s.top,
"width"=> [1E-10, s.width].max,
"height"=>[1E-10, s.height].max,
"fill"=>"none",
"stroke"=> stroke.color,
"stroke-opacity"=> stroke.opacity,
"stroke-width"=> s.line_width / self.scale.to_f
});
e = self.append(e, scenes, i);
end
return e
end
end
end
|
