class CameraControlWidget

# File lib/vizkit/widgets/camera_control/camera_control.rb, line 3
def initialize(parent = nil)
  super
  @camera = nil
  @gainMap = Hash.new
  @exposureMap = Hash.new
  @whitebalanceMap = Hash.new
  @triggerMap = Hash.new
  @gainMap['Manual'] = :GainModeToManual
  @gainMap['Auto'] = :GainModeToAuto
  @exposureMap['Manual'] = :ExposureModeToManual
  @exposureMap['Auto'] = :ExposureModeToAuto
  @exposureMap['Auto once'] = :ExposureModeToAutoOnce
  @exposureMap['External'] = :ExposureModeToExternal
  @whitebalanceMap['Manual'] = :WhitebalModeToManual
  @whitebalanceMap['Auto'] = :WhitebalModeToAuto
  @whitebalanceMap['Auto once'] = :WhitebalModeToAutoOnce
  @triggerMap['Fixed'] = :FrameStartTriggerModeToFixedRate
  @triggerMap['FreeRun'] = :FrameStartTriggerModeToFreerun
  @triggerMap['SyncIn1'] =  :FrameStartTriggerModeToSyncIn1

  @layout = Qt::GridLayout.new
  @widget = Vizkit.load File.join(File.dirname(__FILE__),'camera_control.ui'), self
  @layout.addWidget(@widget,0,0)
  self.setLayout @layout

  @widget.update_image.connect(SIGNAL('clicked()')) do
      frame = @reader.read
      @widget.image_view.display(frame,"") if frame
  end

  @widget.update_parameter.connect(SIGNAL('clicked()')) do
      #if the frame rate was changed we have to stop the camera
      if @camera.getDoubleRangeMin(:FrameRate) != @widget.spinbox_fps.value().to_f
          @camera.stop
          #this is a workaround as long the configure part of camera_base is still
          #in the startHook
          @camera.fps = @widget.spinbox_fps.value().to_f
          @camera.exposure = @widget.spinbox_exposure.value()
          @camera.gain = @widget.spinbox_gain.value()
          @camera.setDoubleAttrib(:FrameRate, @widget.spinbox_fps.value().to_f)
          @camera.start
      else
          @camera.setIntAttrib(:ExposureValue, @widget.spinbox_exposure.value())
          @camera.setIntAttrib(:GainValue, @widget.spinbox_gain.value())
      end

      @camera.setEnumAttrib(@triggerMap[@widget.combobox_trigger_mode.currentText])
      @camera.setEnumAttrib(@gainMap[@widget.combobox_gain_mode.currentText])
      @camera.setEnumAttrib(@exposureMap[@widget.combobox_exposure_mode.currentText])
      @camera.setEnumAttrib(@whitebalanceMap[@widget.combobox_whitebalance_mode.currentText])
  end
end

# File lib/vizkit/widgets/camera_control/camera_control.rb, line 56
def config(task,options=Hash.new)
  @camera = task
  # setting various status text initializing combo box
  # texts
  @widget.label_camera_name.setText(@camera.getStringAttrib(:ModelName))
  @widget.statusLabel.setText(task.state.to_s)
  setComboBoxValues()

  # setting min max values for sliders
  @widget.slider_fps.setMinimum(@camera.getDoubleRangeMin(:FrameRate))
  @widget.spinbox_fps.setMinimum(@camera.getDoubleRangeMin(:FrameRate))
  @widget.slider_fps.setMaximum(@camera.getDoubleRangeMax(:FrameRate))
  @widget.spinbox_fps.setMaximum(@camera.getDoubleRangeMax(:FrameRate))
  @widget.slider_exposure.setMinimum(@camera.getIntRangeMin(:ExposureValue))
  @widget.spinbox_exposure.setMinimum(@camera.getIntRangeMin(:ExposureValue))
  @widget.slider_exposure.setMaximum(@camera.getIntRangeMax(:ExposureValue))
  @widget.spinbox_exposure.setMaximum(@camera.getIntRangeMax(:ExposureValue))
  @widget.slider_gain.setMinimum(@camera.getIntRangeMin(:GainValue))
  @widget.spinbox_gain.setMinimum(@camera.getIntRangeMin(:GainValue))
  @widget.slider_gain.setMaximum(@camera.getIntRangeMax(:GainValue))
  @widget.spinbox_gain.setMaximum(@camera.getIntRangeMax(:GainValue))

  @widget.slider_fps.setValue(@camera.getDoubleAttrib(:FrameRate))
  @widget.slider_exposure.setValue(@camera.getIntAttrib(:ExposureValue))
  @widget.slider_gain.setValue(@camera.getIntAttrib(:GainValue))

  @reader = @camera.frame.reader :pull => true
end

# File lib/vizkit/widgets/camera_control/camera_control.rb, line 92
def setComboBoxValue(combobox,value_map)
    value_map.each_pair do |key, value|
        combobox.addItem(key)
    end
    value_map.each_with_index do |pair,index|
        if @camera.isEnumAttribSet(pair[1])
            combobox.setCurrentIndex(index)
            break
        end
    end
end

# File lib/vizkit/widgets/camera_control/camera_control.rb, line 85
def setComboBoxValues()
    setComboBoxValue(@widget.combobox_gain_mode,@gainMap)
    setComboBoxValue(@widget.combobox_whitebalance_mode,@whitebalanceMap)
    setComboBoxValue(@widget.combobox_exposure_mode,@exposureMap)
    setComboBoxValue(@widget.combobox_trigger_mode,@triggerMap)
end