Class: Wads::PlotPoint

Inherits:
Widget
  • Object
show all
Defined in:
lib/wads/widgets.rb

Overview

A data point to be used in a Plot widget. This object holds the x, y screen location as well as the data values for x, y.

Instance Attribute Summary collapse

Attributes inherited from Widget

#base_z, #children, #gui_theme, #height, #is_selected, #layout, #overlay_widget, #override_color, #text_input_fields, #visible, #width, #x, #y

Instance Method Summary collapse

Methods inherited from Widget

#add, #add_axis_lines, #add_button, #add_child, #add_delete_button, #add_document, #add_graph_display, #add_image, #add_multi_select_table, #add_overlay, #add_panel, #add_plot, #add_single_select_table, #add_table, #add_text, #border_color, #bottom_edge, #button_down, #button_up, #center_children, #center_x, #center_y, #clear_children, #contains_click, #debug, #disable_background, #disable_border, #draw, #draw_background, #draw_border, #enable_background, #enable_border, #error, #get_layout, #get_theme, #graphics_color, #handle_key_press, #handle_mouse_down, #handle_mouse_up, #handle_right_mouse, #handle_update, #info, #intercept_widget_event, #left_edge, #move_recursive_absolute, #move_recursive_delta, #overlaps_with, #relative_x, #relative_y, #relative_z_order, #remove_child, #remove_children, #remove_children_by_type, #right_edge, #selection_color, #set_absolute_position, #set_dimensions, #set_layout, #set_selected, #set_theme, #text_color, #top_edge, #unset_selected, #update, #uses_layout, #warn, #x_pixel_to_screen, #y_pixel_to_screen, #z_order

Constructor Details

#initialize(x, y, data_x, data_y, color = COLOR_MAROON, size = 4) ⇒ PlotPoint

Returns a new instance of PlotPoint.



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# File 'lib/wads/widgets.rb', line 1856

def initialize(x, y, data_x, data_y, color = COLOR_MAROON, size = 4) 
    super(x, y)
    @override_color = color
    @data_x = data_x
    @data_y = data_y
    @data_point_size = size
end

Instance Attribute Details

#data_point_size ⇒ Object

Returns the value of attribute data_point_size.



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# File 'lib/wads/widgets.rb', line 1854

def data_point_size
  @data_point_size
end

#data_x ⇒ Object

Returns the value of attribute data_x.



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# File 'lib/wads/widgets.rb', line 1852

def data_x
  @data_x
end

#data_y ⇒ Object

Returns the value of attribute data_y.



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# File 'lib/wads/widgets.rb', line 1853

def data_y
  @data_y
end

Instance Method Details

#decrease_size ⇒ Object 



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# File 'lib/wads/widgets.rb', line 1887

def decrease_size 
    if @data_point_size > 2
        @data_point_size = @data_point_size - 2
    end
end

#increase_size ⇒ Object 



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# File 'lib/wads/widgets.rb', line 1883

def increase_size 
    @data_point_size = @data_point_size + 2
end

#render(override_size = nil) ⇒ Object 



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# File 'lib/wads/widgets.rb', line 1864

def render(override_size = nil)
    size_to_draw = @data_point_size
    if override_size 
        size_to_draw = override_size 
    end
    half_size = size_to_draw / 2
    Gosu::draw_rect(@x - half_size, @y - half_size,
                    size_to_draw, size_to_draw,
                    graphics_color, z_order) 
end

#to_display ⇒ Object 



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# File 'lib/wads/widgets.rb', line 1879

def to_display 
    "#{@x}, #{@y}"
end

#widget_z ⇒ Object 



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# File 'lib/wads/widgets.rb', line 1875

def widget_z 
    Z_ORDER_PLOT_POINTS
end