Class: Wx::SF::RoundOrthoLineShape

Inherits:
OrthoLineShape show all
Defined in:
lib/wx/shapes/shapes/round_ortho_shape.rb

Overview

Rounded orthogonal line shape. The class extends OrthoLineShape class and allows user to create connection line orthogonal to base axis with round corners.

Constant Summary collapse

MAX_RADIUS = 
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Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from OrthoLineShape

#draw_complete_line, #get_first_subsegment, #get_hit_linesegment, #get_last_subsegment, #get_middle_subsegment, #get_segment_direction, #get_used_connection_points, #is_two_segment

Methods inherited from LineShape

#contains?, #create_handles, #draw_complete_line, #draw_highlighted, #draw_hover, #draw_normal, #get_absolute_position, #get_border_point, #get_bounding_box, #get_control_points, #get_direct_line, #get_dock_point, #get_dock_point_position, #get_hit_linesegment, #get_line_mode, #get_line_pen, #get_line_segment, #get_line_segment_count, #get_mod_src_point, #get_mod_trg_point, #get_src_arrow, #get_src_point, #get_src_shape, #get_stand_alone, #get_trg_arrow, #get_trg_point, #get_trg_shape, #move_by, #move_to, #on_begin_drag, #on_end_handle, #on_handle, #on_left_double_click, #scale, #set_dock_point, #set_ending_connection_point, #set_line_mode, #set_line_pen, #set_src_arrow, #set_src_point, #set_src_shape, #set_stand_alone, #set_starting_connection_point, #set_trg_arrow, #set_trg_point, #set_trg_shape, #set_unfinished_point

Methods inherited from Shape

#accept_child, #accept_connection, #accept_currently_dragged_shapes, #accept_src_neighbour, #accept_trg_neighbour, #activate, #active?, #add_child_shape, #add_connection_point, #add_handle, #add_style, #ancestor?, #clear_accepted_childs, #clear_accepted_connections, #clear_accepted_src_neighbours, #clear_accepted_trg_neighbours, component, component_shapes, #contains?, #contains_style, #create_handles, #descendant?, #do_alignment, #does_not_accept_children?, #draw, #draw_highlighted, #draw_hover, #draw_normal, #draw_selected, #draw_shadow, #fit_to_children, #get_absolute_position, #get_accepted_children, #get_accepted_connections, #get_accepted_src_neighbours, #get_accepted_trg_neighbours, #get_assigned_connections, #get_border_point, #get_bounding_box, #get_center, #get_child_shapes, #get_children, #get_children_recursively, #get_complete_bounding_box, #get_connection_point, #get_connection_points, #get_custom_dock_point, #get_diagram, #get_grand_parent_shape, #get_h_align, #get_h_border, #get_handle, #get_handles, #get_hover_colour, #get_nearest_connection_point, #get_neighbours, #get_parent_absolute_position, #get_parent_canvas, #get_parent_shape, #get_relative_position, #get_shape_canvas, #get_style, #get_user_data, #get_v_align, #get_v_border, #has_children, #has_selected_parent?, #include_child_shape?, #inside?, #inspect, #intersects?, #is_child_accepted, #is_connection_accepted, #is_managed, #is_manager, #is_src_neighbour_accepted, #is_trg_neighbour_accepted, lines_intersection, #lines_intersection, #move_by, #move_to, #on_begin_drag, #on_begin_handle, #on_child_dropped, #on_dragging, #on_end_drag, #on_end_handle, #on_handle, #on_import, #on_key, #on_left_click, #on_left_double_click, #on_mouse_enter, #on_mouse_leave, #on_mouse_over, #on_right_click, #on_right_double_click, #refresh, #refresh_rect, #remove_connection_point, #remove_handle, #remove_style, #scale, #scale_children, #select, #selected?, #set_custom_dock_point, #set_diagram, #set_h_align, #set_h_border, #set_hover_colour, #set_parent_shape, #set_relative_position, #set_style, #set_user_data, #set_v_align, #set_v_border, #show, #show_handles, #to_s, #update, #visible?

Constructor Details

#initialize(src = nil, trg = nil, path: nil, diagram: nil) ⇒ RoundOrthoLineShape

Constructor

Parameters:

  • src (Shape) (defaults to: nil) —

    source shape

  • trg (Shape) (defaults to: nil) —

    target shape

  • path (Array<Wx::RealPoint>) (defaults to: nil) —

    List of the line control points (can be empty)

  • diagram (Diagram) (defaults to: nil) —

    containing diagram



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# File 'lib/wx/shapes/shapes/round_ortho_shape.rb', line 21

def initialize(src = nil, trg = nil, path: nil, diagram: nil)
  super
  @max_radius = MAX_RADIUS
end

Instance Attribute Details

#max_radius ⇒ Object

Access (set/get) maximum radius.



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# File 'lib/wx/shapes/shapes/round_ortho_shape.rb', line 27

def max_radius
  @max_radius
end

Instance Method Details

#draw_line_segment(dc, src, trg, cps) ⇒ Object (protected)

Draw one orthogonal line segment.

Parameters:

  • dc (Wx::DC) —

    Device context

  • src (Wx::RealPoint) —

    Starting point of the ortho line segment

  • trg (Wx::RealPoint) —

    Ending point of the ortho line segment

  • cps (SEGMENTCPS) —

    Connection points used by the line segment



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# File 'lib/wx/shapes/shapes/round_ortho_shape.rb', line 36

def draw_line_segment(dc, src, trg, cps)
  if (trg.x == src.x) || (trg.y == src.y)
    dc.draw_line(src.to_point, trg.to_point)
    return
  end

  direction = get_segment_direction(src, trg, cps)
  src_pt = src.to_point
  trg_pt = trg.to_point

  dx = trg.x - src.x
  dy = trg.y - src.y
  kx = dx < 0 ? -1 : 1
  ky = dy < 0 ? 1 : -1

  pt_center = Wx::RealPoint.new((src.x + trg.x)/2, (src.y + trg.y)/2)
  
  dc.with_brush(Wx::TRANSPARENT_BRUSH) do

    if is_two_segment(cps)
      if direction < 1.0
        r = (dy * @max_radius/100).abs
        r = @max_radius if r > @max_radius

        dc.draw_line(src_pt.x, src_pt.y, (trg.x - r * kx).to_i, src_pt.y)
        dc.draw_line(trg_pt.x, (src.y - r * ky).to_i, trg_pt.x, trg_pt.y)

        if r > 0
          if (ky > 0 && kx > 0) || (ky < 0 && kx < 0)
            dc.draw_arc((trg.x - r * kx).to_i, src_pt.y, trg_pt.x, (src.y - r * ky).to_i, (trg.x - r * kx).to_i, (src.y - r * ky).to_i)
          else
            dc.draw_arc(trg_pt.x, (src.y - r * ky).to_i, (trg.x - r * kx).to_i, src_pt.y, (trg.x - r * kx).to_i, (src.y - r * ky).to_i)
          end
        end
      else
        r = (dx * @max_radius/100).abs
        r = @max_radius if r > @max_radius

        dc.draw_line(src_pt.x, src_pt.y, src_pt.x, (trg.y + r * ky).to_i)
        dc.draw_line((src.x + r * kx).to_i, trg_pt.y, trg_pt.x, trg_pt.y)

        if r > 0
          if (ky > 0 && kx > 0) || (ky < 0 && kx < 0)
            dc.draw_arc((src.x + r * kx).to_i, trg_pt.y, src_pt.x, (trg.y + r * ky).to_i, (src.x + r * kx).to_i, (trg.y + r * ky).to_i)
          else
            dc.draw_arc(src_pt.x, (trg.y + r * ky).to_i, (src.x + r * kx).to_i, trg_pt.y, (src.x + r * kx).to_i, (trg.y + r * ky).to_i)
          end
        end
      end

    else
      if direction < 1
        r = (dy * @max_radius/100).abs
        r = @max_radius if r > @max_radius

        dc.draw_line(src_pt.x, src_pt.y, (pt_center.x - r * kx).to_i, src_pt.y)
        dc.draw_line(pt_center.x.to_i, (src.y - r * ky).to_i, pt_center.x.to_i, (trg.y + r * ky).to_i)
        dc.draw_line((pt_center.x + r * kx).to_i, trg_pt.y, trg_pt.x, trg_pt.y)

        if r > 0
          if (ky > 0 && kx > 0) || (ky < 0 && kx < 0)
            dc.draw_arc((pt_center.x - r * kx).to_i, src_pt.y, pt_center.x.to_i, (src.y - r * ky).to_i, (pt_center.x - r * kx).to_i, (src.y - r * ky).to_i)
            dc.draw_arc((pt_center.x + r * kx).to_i, trg_pt.y, pt_center.x.to_i, (trg.y + r * ky).to_i, (pt_center.x + r * kx).to_i, (trg.y + r * ky).to_i)
          else
            dc.draw_arc(pt_center.x.to_i, (src.y - r * ky).to_i, (pt_center.x - r * kx).to_i, src_pt.y, (pt_center.x - r * kx).to_i, (src.y - r * ky).to_i)
            dc.draw_arc(pt_center.x.to_i, (trg.y + r * ky).to_i, (pt_center.x + r * kx).to_i, trg_pt.y, (pt_center.x + r * kx).to_i, (trg.y + r * ky).to_i)
          end
        end
      else
        r = (dx * @max_radius/100).abs
        r = @max_radius if r > @max_radius

        dc.draw_line(src_pt.x, src_pt.y, src_pt.x, (pt_center.y + r * ky).to_i)
        dc.draw_line((src.x + r * kx).to_i, pt_center.y.to_i, (trg.x - r * kx).to_i, pt_center.y.to_i)
        dc.draw_line(trg_pt.x, (pt_center.y - r * ky).to_i, trg_pt.x, trg_pt.y)

        if r > 0
          if (ky > 0 && kx > 0) || (ky < 0 && kx < 0)
            dc.draw_arc((src.x + r * kx).to_i, pt_center.y.to_i, src_pt.x, (pt_center.y + r * ky).to_i, (src.x + r * kx).to_i, (pt_center.y + r * ky).to_i)
            dc.draw_arc((trg.x - r * kx).to_i, pt_center.y.to_i, trg_pt.x, (pt_center.y - r * ky).to_i, (trg.x - r * kx).to_i, (pt_center.y - r * ky).to_i)
          else
            dc.draw_arc(src_pt.x, (pt_center.y + r * ky).to_i, (src.x + r * kx).to_i, pt_center.y.to_i, (src.x + r * kx).to_i, (pt_center.y + r * ky).to_i)
            dc.draw_arc(trg_pt.x, (pt_center.y - r * ky).to_i, (trg.x - r * kx).to_i, pt_center.y.to_i, (trg.x - r * kx).to_i, (pt_center.y - r * ky).to_i)
          end
        end
      end
    end

  end
end