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Contents
# encoding: ascii-8bit
# Copyright 2014 Ball Aerospace & Technologies Corp.
# All Rights Reserved.
#
# This program is free software; you can modify and/or redistribute it
# under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 3 with
# attribution addendums as found in the LICENSE.txt
# This file contains the implementation of the CanvaslinevalueWidget class. This
# widget displays a line within a CanvasWidget. The color of the line depends
# on the telemetry point value of 1 or 0 for 'on' or 'off' respectively.
require 'cosmos/tools/tlm_viewer/widgets/canvasvalue_widget'
module Cosmos
class CanvaslinevalueWidget < CanvasvalueWidget
def initialize(parent_layout, target_name, packet_name, item_name, x1, y1, x2, y2, color_on = 'green', color_off = 'blue', width = 3, connector = 'NO_CONNECTOR', value_type = :RAW)
super(parent_layout, target_name, packet_name, item_name, value_type)
@x1 = x1.to_i
@y1 = y1.to_i
@x2 = x2.to_i
@y2 = y2.to_i
@point = Qt::Point.new(@x2, @y2)
if connector.to_s.upcase == 'CONNECTOR'
@connector = true
else
@connector = false
end
@color_on = Cosmos::getColor(color_on)
@color_off = Cosmos::getColor(color_off)
@pen_on = Cosmos::getPen(color_on)
@pen_off = Cosmos::getPen(color_off)
@width = width.to_i
end
def draw_widget(painter, on_state)
painter.save
if (on_state == true)
pen = @pen_on
color = @color_on
else
pen = @pen_off
color = @color_off
end
pen.setWidth(@width)
painter.setPen(pen)
painter.drawLine(@x1, @y1, @x2, @y2)
if (@connector == true)
painter.setBrush(color)
painter.drawEllipse(@point, @width, @width)
end
painter.restore
end
def dispose
super()
@point.dispose
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems