//
// OnMouseMove event handler
//
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
// Keep track of the current mouse position so we can invalidate the region
_mouseCellX = Math.Max(0, Math.Min(_cellsPerRow - 1, e.X / _cellWidth));
_mouseCellY = Math.Max(0, Math.Min((int)Math.Ceiling(_colorSwatch.ColorCount / (float)(_cellsPerRow)) - 1, e.Y / _cellHeight));
// Invalidate the mouse region
Rectangle newCellRect = GetMouseCellArea();
if (newCellRect != _lastMouseCellArea)
{
Rectangle oldRec = _lastMouseCellArea;
Rectangle newRec = newCellRect;
oldRec.Inflate(2, 2);
newRec.Inflate(2, 2);
Invalidate(oldRec);
Invalidate(newRec);
if (_mouseDown && _mouseOver)
{
// Gets the color the user clicked on
ColorSelect?.Invoke(this, new ColorSelectEventArgs(GetColorUnderMouse()));
}
}
_lastMouseCellArea = newCellRect;
}
private void SVPanel_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
LastColor.Background = new SolidColorBrush(Color.FromArgb(A, R, G, B));
ColorSelect.Invoke(Color.FromArgb(A, R, G, B), e);
SVPanelDrag = false;
}
private void UserControl_PreviewMouseUp(object sender, MouseButtonEventArgs e)
{
if (SVPanelDrag | HueBarDrag)
{
SVPanelDrag = false;
HueBarDrag = false;
LastColor.Background = new SolidColorBrush(Color.FromArgb(A, R, G, B));
ColorSelect.Invoke(Color.FromArgb(A, R, G, B), e);
}
}
private void ColorPanel1_ColorSelect(object sender, EventArgs e)
{
var color = (sender as ColorPanel.ColorChunk).Color;
controller.ToolSelection = new PenSelection(color.ToArgb());
ColorSelect.Invoke(sender, e);
Close();
Dispose();
}
//
// OnMouseDown event handler
//
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Button != MouseButtons.Left)
{
return;
}
// Gets the color the user clicked on
ColorSelect?.Invoke(this, new ColorSelectEventArgs(GetColorUnderMouse()));
_mouseDown = true;
}
private void ColorRGBRefresh()
{
Color MainColor = Color.FromRgb(R, G, B);
ColorToHSV(MainColor, ref Saturation, ref Value);
// ColorHSVRefresh()
double RealWidth = SVPanel.ActualWidth;
double RealHeight = SVPanel.ActualHeight;
PickerStylus.Margin = new Thickness(Saturation * RealWidth - 7, (1 - Value) * RealHeight - 7, 0, 0);
CurrentColor.Background = new SolidColorBrush(MainColor);
LastColor.Background = new SolidColorBrush(Color.FromArgb(A, R, G, B));
ColorSelect.Invoke(Color.FromArgb(A, R, G, B), new RoutedEventArgs());
}
/// <summary>
/// Fires the color change event with the given color
/// </summary>
/// <param name="color">The color to fire the event with</param>
/// <param name="colorIndex">Which color index to fire the event fore. Defaults to the current color</param>
public void FireColorChangeEvent(Color color, ColorPickerColor colorIndex = ColorPickerColor.CurrentColor)
{
ColorSelect?.Invoke(this, new ColorPickEventArgs(color, color, colorIndex));
}
