Gtk2::Gdk::Region man page on OpenSuSE

Gtk2::Gdk::Region man page on OpenSuSE

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Gtk2::Gdk::Region(3)  User Contributed Perl Documentation Gtk2::Gdk::Region(3)

NAME
       Gtk2::Gdk::Region

HIERARCHY
	 Glib::Boxed
	 +----Gtk2::Gdk::Region

METHODS
   region = Gtk2::Gdk::Region->new
   rectangle = $region->get_clipbox
   boolean = $region->empty
   boolean = $region1->equal ($region2)
       ·   $region2 (Gtk2::Gdk::Region)

   $source1->intersect ($source2)
       ·   $source2 (Gtk2::Gdk::Region)

   $region->offset ($dx, $dy)
       ·   $dx (integer)

       ·   $dy (integer)

   boolean = $region->point_in ($x, $y)
       ·   $x (integer)

       ·   $y (integer)

   region = Gtk2::Gdk::Region->polygon ($points_ref, $fill_rule)
       ·   $points_ref (scalar)

       ·   $fill_rule (Gtk2::Gdk::FillRule)

   boolean = $region->rect_equal ($rectangle)
       ·   $rectangle (Gtk2::Gdk::Rectangle)

       Since: gtk+ 2.18

   overlaptype = $region->rect_in ($rect)
       ·   $rect (Gtk2::Gdk::Rectangle)

   region = Gtk2::Gdk::Region->rectangle ($rectangle)
       ·   $rectangle (Gtk2::Gdk::Rectangle)

   list = $region->get_rectangles
       Returns a list of rectangles (Gtk2::Gdk::Rectangle's), the area covered
       by the region.

   $region->shrink ($dx, $dy)
       ·   $dx (integer)

       ·   $dy (integer)

   $region->spans_intersect_foreach ($spans_ref, $sorted, $func, $data=undef)
       ·   $spans_ref (scalar) arrayref of triples [$x1,$y1,$width1,
	   $x2,$y2,$width2, ...]

       ·   $sorted (boolean)

       ·   $func (scalar)

       ·   $data (scalar)

       Call $function for horizontal lines which intersect $region.

       $spans_ref is an arrayref of x,y,width horizontal lines.	 If $sorted is
       true then they're assumed to be sorted by increasing y coordinate
       (allowing a single pass across the region rectangles).  $function is
       called

	   &$function ($x, $y, $width, $data)

       for each portion of a span which intersects $region.  $function must
       not change $region.

	   $region->spans_intersect_foreach ([ 0,0,50, 20,20,100, 0,10,50 ],
					     0, # spans not sorted by y
					     \&my_callback,
					     'hello');	# userdata
	   sub my_callback {
	     my ($x, $y, $width, $userdata) = @_;
	     print "$userdata: $x, $y, $width\n";
	   }

   $source1->subtract ($source2)
       ·   $source2 (Gtk2::Gdk::Region)

   $source1->union ($source2)
       ·   $source2 (Gtk2::Gdk::Region)

   $region->union_with_rect ($rect)
       ·   $rect (Gtk2::Gdk::Rectangle)

   $source1->xor ($source2)
       ·   $source2 (Gtk2::Gdk::Region)

ENUMS AND FLAGS
   enum Gtk2::Gdk::FillRule
       ·   'even-odd-rule' / 'GDK_EVEN_ODD_RULE'

       ·   'winding-rule' / 'GDK_WINDING_RULE'

   enum Gtk2::Gdk::OverlapType
       ·   'in' / 'GDK_OVERLAP_RECTANGLE_IN'

       ·   'out' / 'GDK_OVERLAP_RECTANGLE_OUT'

       ·   'part' / 'GDK_OVERLAP_RECTANGLE_PART'

SEE ALSO
       Gtk2, Glib::Boxed

COPYRIGHT
       Copyright (C) 2003-2011 by the gtk2-perl team.

       This software is licensed under the LGPL.  See Gtk2 for a full notice.

perl v5.18.1			  2013-09-28		  Gtk2::Gdk::Region(3)

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