Class: FXConnection

Inherits:
Connection show all
Defined in:
lib/IFMapper/PDFMapExporter.rb,
lib/IFMapper/FXConnection.rb,
lib/IFMapper/SVGMapExporter.rb,
lib/IFMapper/PDFMapExporter_prawn.rb,
lib/IFMapper/PDFMapExporter_pdfwriter.rb

Overview

Open all the map class and add all pdf methods there Gotta love Ruby’s flexibility to just inject in new methods.

Constant Summary collapse

@@win = 
nil

Constants inherited from Connection

Connection::AtoB, Connection::BOTH, Connection::BtoA, Connection::CLOSED_DOOR, Connection::EXIT_TEXT, Connection::FREE, Connection::LOCKED_DOOR, Connection::SPECIAL

Instance Attribute Summary collapse

Attributes inherited from Connection

#dir, #exitText, #room, #type

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Connection

#dirs, #door?, #exitAtext, #exitAtext=, #exitBtext, #exitBtext=, #index, #loop?, #opposite, #roomA, #roomA=, #roomB, #roomB=, #stub?, #to_s

Constructor Details

#initialize(roomA, roomB, dir = Connection::BOTH, type = Connection::FREE) ⇒ FXConnection

Returns a new instance of FXConnection.



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# File 'lib/IFMapper/FXConnection.rb', line 45

def initialize( roomA, roomB, dir = Connection::BOTH, 
 type = Connection::FREE )
  super( roomA, roomB, dir, type )
  @selected  = @failed = false
  @pts = @gpts = []
end

Instance Attribute Details

#failed ⇒ Object

Returns the value of attribute failed.



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# File 'lib/IFMapper/FXConnection.rb', line 36

def failed
  @failed
end

#gpts ⇒ Object

Returns the value of attribute gpts.



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# File 'lib/IFMapper/FXConnection.rb', line 37

def gpts
  @gpts
end

#pts ⇒ Object

Returns the value of attribute pts.



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# File 'lib/IFMapper/FXConnection.rb', line 37

def pts
  @pts
end

#selected ⇒ Object

Returns the value of attribute selected.



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# File 'lib/IFMapper/FXConnection.rb', line 35

def selected
  @selected
end

Class Method Details

.no_maps ⇒ Object 



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# File 'lib/IFMapper/FXConnection.rb', line 41

def self.no_maps
  @@win.hide if @@win
end

Instance Method Details

#_cvt_pt(p, opts) ⇒ Object 



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# File 'lib/IFMapper/PDFMapExporter.rb', line 30

def _cvt_pt(p, opts)
  x = (p[0] - WW / 2.0) / WW.to_f
  y = (p[1] - HH / 2.0) / HH.to_f
  x = x * opts['ww'] + opts['ws_2'] + opts['margin_2'] + opts['w'] / 2.0
  y = (opts['height'] - y) * opts['hh'] + opts['hs_2'] + opts['margin_2'] + opts['hs']
  return [x, y]
end

#complex? ⇒ Boolean

Is this a complex path. Check if connection is contiguous

Returns:

  • (Boolean) 


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# File 'lib/IFMapper/FXConnection.rb', line 95

def complex?()
  return false if not @room[1]
  return true if @room[1] == @room[0]
  return true unless @room[0].next_to?(@room[1])

  # Even if rooms are next to each other, we need to
  # verify that following the exits does indeed take us to next room.
  exitA = @room[0].exits.index(self)
  dir   = Room::DIR_TO_VECTOR[exitA]

  if @room[0].x + dir[0] == @room[1].x and
	@room[0].y + dir[1] == @room[1].y
    exitB = @room[1].exits.rindex(self)
    dir   = Room::DIR_TO_VECTOR[exitB]
    if @room[1].x + dir[0] == @room[0].x and
 @room[1].y + dir[1] == @room[0].y
	return false
    else
	return true
    end
  else 
    return true
  end
end

#draw(dc, zoom, opt) ⇒ Object

Main draw function



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# File 'lib/IFMapper/FXConnection.rb', line 123

def draw(dc, zoom, opt)
  if @selected
    if @failed
      dc.foreground = 'cyan'
    else
      dc.foreground = 'yellow'
    end
  elsif @failed
    dc.foreground = 'red'
  else
    dc.foreground = opt['Arrow Color']
  end

  draw_exit_text(dc, zoom)
  if @type == SPECIAL
    dc.lineStyle = LINE_ONOFF_DASH
  else
    dc.lineStyle = LINE_SOLID
  end
  if pts.size > 0
    draw_complex(dc, zoom, opt)
  else
    draw_simple(dc, zoom)
  end
end

#flip ⇒ Object 



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# File 'lib/IFMapper/FXConnection.rb', line 63

def flip
  super
  pts.reverse!
  gpts.reverse!
  @@win.copy_from(self) if @@win
end

#marshal_dump ⇒ Object 



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# File 'lib/IFMapper/FXConnection.rb', line 59

def marshal_dump
  [ @selected ] + super
end

#marshal_load(vars) ⇒ Object 



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# File 'lib/IFMapper/FXConnection.rb', line 52

def marshal_load(vars)
  @pts = @gpts = []
  @selected = vars.shift
  @failed = false
  super(vars)
end

#pdf_draw(pdf, opts) ⇒ Object 



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# File 'lib/IFMapper/PDFMapExporter.rb', line 199

def pdf_draw(pdf, opts)
  pdf_draw_exit_text(pdf, opts)
  if @type == SPECIAL
    s = PDF::Writer::StrokeStyle.new(2, :dash => { 
			 :pattern => [2],
			 :phase => [1]
		       } ) 
  else
    s = PDF::Writer::StrokeStyle.new(2,
		       :cap => :butt, 
		       :join => :miter, 
		       :dash => PDF::Writer::StrokeStyle::SOLID_LINE )
  end
  pdf.stroke_style( s )
  pdf.stroke_color  Color::RGB::Black
  pdf.fill_color    Color::RGB::Black
  if @pts.size > 0
    pdf_draw_complex(pdf, opts)
  else
    pdf_draw_simple(pdf, opts)
  end
end

#pdf_draw_arrow(pdf, opts, x1, y1, x2, y2) ⇒ Object 



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# File 'lib/IFMapper/PDFMapExporter.rb', line 38

def pdf_draw_arrow(pdf, opts, x1, y1, x2, y2)
  return if @dir == BOTH
  
  pt1, d = _arrow_info( x1, y1, x2, y2, 0.5 )

  p = []
  p << PDF::Writer::PolygonPoint.new( pt1[0], pt1[1] )
  p << PDF::Writer::PolygonPoint.new( pt1[0] + d[0], pt1[1] - d[1] )
  p << PDF::Writer::PolygonPoint.new( pt1[0] + d[1], pt1[1] + d[0] )
  pdf.fill_color    Color::RGB::Black
  pdf.polygon(p).fill
end

#pdf_draw_complex(pdf, opts) ⇒ Object 



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# File 'lib/IFMapper/PDFMapExporter.rb', line 111

def pdf_draw_complex( pdf, opts )
  if opts['Paths as Curves']
    if @room[0] == @room[1]
	dirA, dirB = dirs
	if dirA == dirB
 p = pdf_draw_complex_as_lines( pdf, opts )
	else
 p = pdf_draw_complex_as_bspline( pdf, opts )
	end
    else
	p = pdf_draw_complex_as_bspline( pdf, opts )
    end
  else
    p = pdf_draw_complex_as_lines( pdf, opts )
  end
  pdf.move_to( p[0][0], p[0][1] )
  p.each { |pt| pdf.line_to( pt[0], pt[1] ) }
  pdf.stroke

  x1, y1 = [p[0][0], p[0][1]]
  x2, y2 = [p[-1][0], p[-1][1]]
  pdf_draw_arrow(pdf, opts, x1, y1, x2, y2)

  if @type == LOCKED_DOOR or @type == CLOSED_DOOR
    t = p.size / 2
    x1, y1 = [ p[t][0], p[t][1] ]
    x2, y2 = [ p[t-2][0], p[t-2][1] ]
    pdf_draw_door(pdf, x1, y1, x2, y2)
  end
end

#pdf_draw_complex_as_bspline(pdf, opts) ⇒ Object 



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# File 'lib/IFMapper/PDFMapExporter.rb', line 51

def pdf_draw_complex_as_bspline( pdf, opts )
  p = []
  p << _cvt_pt(@pts[0], opts)
  p << p[0]
  p << p[0]
  @pts.each { |pt|
    p << _cvt_pt(pt, opts)
  }
  p << p[-1]
  p << p[-1]
  p << p[-1]
  return FXSpline::bspline(p)
end

#pdf_draw_complex_as_lines(pdf, opts) ⇒ Object

PRE: If it’s a loop exit that comes back to the same place, let’s move 

it up and right



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# File 'lib/IFMapper/PDFMapExporter.rb', line 67

def pdf_draw_complex_as_lines( pdf, opts )
  p = []
  maxy = opts['height'] * opts['hh'] + opts['hs_2'] + opts['margin_2'] 
  @pts.each { |pt|
    if loop? == true
      p << [ pt[0] * PDF_ZOOM + 10, maxy - pt[1] * PDF_ZOOM + 48 ]
    else
      p << [ pt[0] * PDF_ZOOM, maxy - pt[1] * PDF_ZOOM ]
    end      
  }
  return p
end

#pdf_draw_door(pdf, x1, y1, x2, y2) ⇒ Object 



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# File 'lib/IFMapper/PDFMapExporter.rb', line 80

def pdf_draw_door( pdf, x1, y1, x2, y2 )
    v = [ (x2-x1), (y2-y1) ]
    t = 10 / Math.sqrt(v[0]*v[0]+v[1]*v[1])
    v = [ v[0]*t, v[1]*t ]
    m = [ (x2+x1)/2, (y2+y1)/2 ]
    x1, y1 = [m[0] + v[1], m[1] - v[0]]
    x2, y2 = [m[0] - v[1], m[1] + v[0]]
  if @type == LOCKED_DOOR
    pdf.move_to(x1, y1)
    pdf.line_to(x2, y2).stroke
  else
    s = PDF::Writer::StrokeStyle.new(1,
		       :cap => :butt, 
		       :join => :miter, 
		       :dash => PDF::Writer::StrokeStyle::SOLID_LINE )
    pdf.stroke_style(s)
    v = [ v[0] / 3, v[1] / 3]
    pdf.move_to(x1 - v[0], y1 - v[1])
    pdf.line_to(x1 + v[0], y1 + v[1])
    pdf.line_to(x2 + v[0], y2 + v[1])
    pdf.line_to(x2 - v[0], y2 - v[1])
    pdf.line_to(x1 - v[0], y1 - v[1])
    pdf.stroke
    s = PDF::Writer::StrokeStyle.new(2,
		       :cap => :butt, 
		       :join => :miter, 
		       :dash => PDF::Writer::StrokeStyle::SOLID_LINE )
    pdf.stroke_style(s)
  end
end

#pdf_draw_exit_text(pdf, opts) ⇒ Object 



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# File 'lib/IFMapper/PDFMapExporter.rb', line 182

def pdf_draw_exit_text(pdf, opts)

  if @exitText[0] != 0
    dir  = @room[0].exits.index(self)
    x, y = @room[0].pdf_corner(opts, self, dir)
    pdf_draw_text( pdf, x, y, dir, 
   EXIT_TEXT[@exitText[0]], @dir == BtoA)
  end

  if @exitText[1] != 0
    dir  = @room[1].exits.rindex(self)
    x, y = @room[1].pdf_corner(opts, self, dir)
    pdf_draw_text( pdf, x, y, dir, 
    EXIT_TEXT[@exitText[1]], @dir == AtoB)
  end
end

#pdf_draw_simple(pdf, opts) ⇒ Object 



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# File 'lib/IFMapper/PDFMapExporter.rb', line 142

def pdf_draw_simple(pdf, opts)
  return if not @room[1] # PDF does not print unfinished complex connections

  dir    = @room[0].exits.index(self)
  x1, y1 = @room[0].pdf_corner(opts, self, dir)
  x2, y2 = @room[1].pdf_corner(opts, self)
  pdf.move_to(x1, y1)
  pdf.line_to(x2, y2).stroke
  pdf_draw_arrow(pdf, opts, x1, y1, x2, y2)
  if @type == LOCKED_DOOR or @type == CLOSED_DOOR
    pdf_draw_door(pdf, x1, y1, x2, y2)
  end
end

#pdf_draw_text(pdf, x, y, dir, text, arrow) ⇒ Object

Draw the connection text next to the arrow (‘I’, ‘O’, etc)



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# File 'lib/IFMapper/PDFMapExporter.rb', line 159

def pdf_draw_text(pdf, x, y, dir, text, arrow)
  if dir == 7 or dir < 6 and dir != 1
    if arrow and (dir == 0 or dir == 4)
	x += 5
    end
    x += 2.5
  elsif dir == 6 or dir == 1
    x -= 7.5
  end
  
  if dir > 5 or dir < 4
    if arrow and (dir == 6 or dir == 2)
	y += 5
    end
    y += 2.5
  elsif dir == 4 or dir == 5
    y -= 7.5
  end
  
  font_size = 8
  pdf.add_text(x, y, text, font_size)
end

#properties(map, event = nil) ⇒ Object 



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# File 'lib/IFMapper/FXConnection.rb', line 156

def properties(map, event = nil)
  if not @@win
    @@win = FXConnectionDialogBox.new(map, self, event)
  end
  @@win.show
  update_properties(map)
end

#svg_draw(svg, opts, x, y) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 398

def svg_draw(svg, opts, x, y)
  if DEBUG_OUTPUT; printf("svg::FXConnection::svg_draw:draw_connections=%s\r\n", opts['draw_connections'].to_s()) end
  if opts['draw_connections'] == true
    if DEBUG_OUTPUT; puts "svg::FXConnection::svg_draw" end

    svg_draw_exit_text(svg, opts, x, y)
  
    if @pts.size > 0
      svg_draw_complex(svg, opts, x, y)
    else
      svg_draw_simple(svg, opts, x, y)
    end
  end
end

#svg_draw_arrow(svg, opts, x1, y1, x2, y2) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 186

def svg_draw_arrow(svg, opts, x1, y1, x2, y2)
  if DEBUG_OUTPUT; puts "svg::FXConnection::svg_draw_arrow:#{x1},#{y1},#{x2},#{y2}" end
  return if @dir == BOTH

  pt1, d = _arrow_info( x1, y1, x2, y2, 0.5 )

  if DEBUG_OUTPUT; printf("svg::FXConnection::svg_draw_arrow: pt1[0]=%0.01f,pt1[1]=%0.01f,d[0]=%0.01f,d[1]=%0.01f\r\n", pt1[0], pt1[1], d[0], d[1]) end

  mx = pt1[0];
  my = pt1[1];

  if DEBUG_OUTPUT; printf("svg::FXConnection::svg_draw_arrow: mx=%0.01f,my=%0.01f\r\n",mx,my) end

  lx1 = pt1[0] + d[0]
  ly1 = pt1[1] + d[1]

  if DEBUG_OUTPUT; printf("svg::FXConnection::svg_draw_arrow: lx1=%0.01f,ly1=%0.01f\r\n",lx1,ly1) end

  lx2 = pt1[0] + d[1]
  ly2 = pt1[1] - d[0]

  if DEBUG_OUTPUT; printf("svg::FXConnection::svg_draw_arrow: lx2=%0.01f,ly2=%0.01f\r\n",lx2,ly2) end

  points =  sprintf("%0.01f", mx) + "," + sprintf("%0.01f", my) + " "
  points << sprintf("%0.01f", lx1) + "," + sprintf("%0.01f", ly1) + " "
  points << sprintf("%0.01f", lx2) + "," + sprintf("%0.01f", ly2) + " "

  svg.root.add_element "polygon", {
      "style"        => sprintf("stroke:%s;stroke-width:%s;fill:%s",opts['arrow_line_colour'],opts['arrow_line_width'],opts['arrow_fill_colour']),
      "points"    => points }

end

#svg_draw_complex(svg, opts, sx, sy) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 266

def svg_draw_complex( svg, opts, sx ,sy )
  if DEBUG_OUTPUT; puts "svg::FXConnection::svg_draw_complex" end
  if opts['Paths as Curves']
    if @room[0] == @room[1]
      dirA, dirB = dirs
      if dirA == dirB
        p = svg_draw_complex_as_lines( svg, opts )
      else
        p = svg_draw_complex_as_bspline( svg, opts )
      end
    else
      p = svg_draw_complex_as_bspline( svg, opts )
    end
  else
    p = svg_draw_complex_as_lines( svg, opts )
  end

  p.each { |pt|
      pt[0] = pt[0] + sx
      pt[1] = pt[1] + sy }

  d = "M" + sprintf("%0.01f", p[0][0]) + "," + sprintf("%0.01f", p[0][1]) + " "

  p.each { |pt|
    d = d + "L" + sprintf("%0.01f", pt[0]) + "," + sprintf("%0.01f", pt[1]) + " " }

  path = svg.root.add_element "path", {
      "style"        => sprintf("stroke:%s;stroke-width:%s;fill:none",opts['conn_line_colour'],opts['conn_line_width']),
      "d"            => d }

  if @type == SPECIAL
    path.attributes["style"] << ";stroke-dasharray:9,5"
  end

  x1, y1 = [p[0][0], p[0][1]]
  x2, y2 = [p[-1][0], p[-1][1]]

  svg_draw_arrow(svg, opts, x1, y1, x2, y2)

  if @type == LOCKED_DOOR or @type == CLOSED_DOOR
    t = p.size / 2
    x1, y1 = [ p[t][0], p[t][1] ]
    x2, y2 = [ p[t-2][0], p[t-2][1] ]

    svg_draw_door(svg, x1, y1, x2, y2, opts)
  end
end

#svg_draw_complex_as_bspline(svg, opts) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 219

def svg_draw_complex_as_bspline( svg, opts )
  if DEBUG_OUTPUT; puts "svg::FXConnection::svg_draw_complex_as_bspline" end
  p = []
  p << _cvt_pt(@pts[0], opts)
  p << p[0]
  p << p[0]
  @pts.each { |pt|
    p << _cvt_pt(pt, opts)
  }
  p << p[-1]
  p << p[-1]
  p << p[-1]
  return FXSpline::bspline(p)
end

#svg_draw_complex_as_lines(svg, opts) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 234

def svg_draw_complex_as_lines( svg, opts )
  if DEBUG_OUTPUT; puts "svg::FXConnection::svg_draw_complex_as_lines" end
  p = []
  @pts.each { |pt|
    p << _cvt_pt(pt, opts)
  }
  return p
end

#svg_draw_door(svg, x1, y1, x2, y2, opts) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 243

def svg_draw_door( svg, x1, y1, x2, y2 , opts)
  if DEBUG_OUTPUT; puts "svg::FXConnection::svg_draw_arrow:#{x1},#{y1},#{x2},#{y2}" end
  v = [ (x2-x1), (y2-y1) ]
  t = 10 / Math.sqrt(v[0]*v[0]+v[1]*v[1])
  v = [ v[0]*t, v[1]*t ]
  m = [ (x2+x1)/2, (y2+y1)/2 ]
  x1, y1 = [m[0] + v[1], m[1] - v[0]]
  x2, y2 = [m[0] - v[1], m[1] + v[0]]

  v = [ v[0] / 3, v[1] / 3]

  poly = svg.root.add_element "polygon", {
      "style"            => sprintf("stroke:%s;stroke-width:%s", opts['door_line_colour'],opts['door_line_width']),
      "points"        => sprintf("%0.01f,%0.01f %0.01f,%0.01f %0.01f,%0.01f %0.01f,%0.01f",
                                  x1-v[0], y1-v[1], x1+v[0], y1+v[1], x2+v[0], y2+v[1], x2-v[0], y2-v[1]) }

  if @type == LOCKED_DOOR
    poly.attributes["style"] << sprintf(";fill:%s", opts['door_line_colour'])
  else
    poly.attributes["style"] << ";fill:none"
  end
end

#svg_draw_exit_text(pdf, opts, sx, sy) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 377

def svg_draw_exit_text(pdf, opts, sx, sy)
  if DEBUG_OUTPUT; puts "svg::FXConnection::svg_draw_exit_text" end
  if @exitText[0] != 0
    dir  = @room[0].exits.index(self)
    x, y = @room[0].svg_corner(opts, self, dir)
    x = x + sx
    y = y + sy
    svg_draw_text( pdf, x, y, dir,
         EXIT_TEXT[@exitText[0]], @dir == BtoA)
  end

  if @exitText[1] != 0
    dir  = @room[1].exits.rindex(self)
    x, y = @room[1].svg_corner(opts, self, dir)
    x = x + sx
    y = y + sy
    svg_draw_text( pdf, x, y, dir,
          EXIT_TEXT[@exitText[1]], @dir == AtoB)
  end
end

#svg_draw_simple(svg, opts, sx, sy) ⇒ Object 



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# File 'lib/IFMapper/SVGMapExporter.rb', line 314

def svg_draw_simple(svg, opts, sx, sy)
  if DEBUG_OUTPUT; puts "svg::FXConnection::svg_draw_simple" end
  return if not @room[1]

  dir    = @room[0].exits.index(self)
  x1, y1 = @room[0].svg_corner(opts, self, dir)
  x2, y2 = @room[1].svg_corner(opts, self)

  x1 = x1 + sx;
  x2 = x2 + sx;
  y1 = y1 + sy;
  y2 = y2 + sy;

  line = svg.root.add_element "line", {
      "x1"        => x1,
      "y1"        => y1,
      "x2"        => x2,
      "y2"        => y2,
      "style"        => sprintf("stroke:%s;stroke-width:%s", opts['conn_line_colour'],opts['conn_line_width']) }

  if @type == SPECIAL
    line.attributes["style"] << ";stroke-dasharray:9,5"
  end

  svg_draw_arrow(svg, opts, x1, y1, x2, y2)
  if @type == LOCKED_DOOR or @type == CLOSED_DOOR
    svg_draw_door(svg, x1, y1, x2, y2, opts)
  end
end

#svg_draw_text(svg, x, y, dir, text, arrow) ⇒ Object

Draw the connection text next to the arrow (‘I’, ‘O’, etc)



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# File 'lib/IFMapper/SVGMapExporter.rb', line 347

def svg_draw_text(svg, x, y, dir, text, arrow)
  if DEBUG_OUTPUT; puts "svg::FXConnection::svg_draw_text:#{x},#{y},#{text}" end
  if dir == 7 or dir < 6 and dir != 1
    if arrow and (dir == 0 or dir == 4)
      x += 5
    end
    x += 2.5
  elsif dir == 6 or dir == 1
    x -= 7.5
  end

  if dir > 5 or dir < 4
    if arrow and (dir == 6 or dir == 2)
      y -= 5
    end
    y -= 2.5
  elsif dir == 4 or dir == 5
    y += 7.5
  end

  font_size = 6

  t = svg.root.add_element "text", {
      "x"                => x,
      "y"                => y,
      "style"            => "font-size:" + font_size.to_s() + "pt"}

  t.text = text;
end

#toggle_direction ⇒ Object

Change direction of connection



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# File 'lib/IFMapper/FXConnection.rb', line 82

def toggle_direction
  # If a self-loop, we cannot change dir
  return if @room[0] == @room[1] and
    @room[0].exits.index(self) == @room[0].exits.rindex(self)

  @dir ^= 1
  @@win.copy_from(self) if @@win
end

#update_properties(map) ⇒ Object 



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# File 'lib/IFMapper/FXConnection.rb', line 150

def update_properties(map)
  return if not @@win or not @@win.shown?
  @@win.map = map
  @@win.copy_from(self)
end