/// <summary>
/// Handles the Tick event raised by the sliderTimer object. This is
/// used to guarantee fluidity between two different points on the
/// color slider when the arrows are being dragged. Without this, the
/// currently selected color panel and the updated structure values
/// (RGB/HEX) jump awkwardly between points.
///
/// This will probably be changed to a threaded solution since FXCop
/// is complaining about the tick frequency.
/// </summary>
/// <param name="sender">The object that raised this event.</param>
/// <param name="e">An EventArgs containing the event data.</param>
private void sliderTimer_Tick(object sender, System.EventArgs e)
{
int difference = Math.Abs(m_currentYValue - m_targetYValue);
int nextValue = ( int )Math.Round(( double )difference / 2);
if (nextValue == 0)
{
m_currentYValue = m_targetYValue;
sliderTimer.Stop();
}
else
{
if (m_currentYValue < m_targetYValue)
{
m_currentYValue += nextValue;
}
else
{
m_currentYValue += -nextValue;
}
}
if (m_currentColorSpace is RgbColorSpace)
{
hsbColorSpace.Structure = ColorConverter.RgbToHsb(( RGB )rgbColorSpace.Structure);
}
else if (m_currentColorSpace is HsbColorSpace)
{
rgbColorSpace.Structure = ColorConverter.HsbToRgb(( HSB )hsbColorSpace.Structure);
}
UpdateColorPanels(false, false, true);
}
/// <summary>
/// Updates the color spaces with the new hex value and makes sure that
/// the necessary components are updated (color field, color slider,
/// etc).
/// </summary>
private void UpdateColorSpacesWithNewHexValue()
{
RGB rgb = ColorConverter.HexToRgb(hexTextBox.Text);
rgbColorSpace.Structure = rgb;
hsbColorSpace.Structure = ColorConverter.RgbToHsb(rgb);
UpdateColorSliderArrowRegions();
// reset the location of the arrows in the value region.
this.UpdateColorPanels(true, true, false);
}
/// <summary>
/// Handles the ComponentValueChanged event that the ColorSpace raises
/// when the value of one of its components is changed by way of a
/// keyboard user input. The color spaces are synced up and the color
/// panels updated.
/// </summary>
/// <param name="sender">The ColorSpace object that raised the event.</param>
/// <param name="e">An EventArgs object containing the event data.</param>
private void ColorSpaceComponentValueChanged(ColorSpace sender, EventArgs e)
{
if (sender is RgbColorSpace)
{
hsbColorSpace.Structure = ColorConverter.RgbToHsb(( RGB )rgbColorSpace.Structure);
}
else if (sender is HsbColorSpace)
{
rgbColorSpace.Structure = ColorConverter.HsbToRgb(( HSB )hsbColorSpace.Structure); //, ( 255 - ( this.m_currentColorSliderArrowYLocation - m_colorSliderInnerRegion.Top ) ) );
}
UpdateColorSliderArrowRegions();
UpdateColorPanels(true, true, true);
}
/// <summary>
/// Processes the selected color.
/// </summary>
/// <param name="color">A Color object containing the color that was
/// recently selected.</param>
private void ColorSelected(Color color, bool updateSliderPosition)
{
// make sure the color that was just clicked isn't the color that
// is currently displayed (performance enhancement).
if (!ColorConverter.ColorToRgb(color).Equals(rgbColorSpace.Structure))
{
RGB rgb = ColorConverter.ColorToRgb(color);
rgbColorSpace.Structure = rgb;
hsbColorSpace.Structure = ColorConverter.RgbToHsb(rgb);
if (updateSliderPosition)
{
UpdateColorSliderArrowRegions();
}
this.UpdateColorPanels(true, true, true);
}
}
