private void ArrowsClick(EnumDirection arrow)
{
if (!IsMouseDown)
{
var curPos = Mouse.GetPosition(BorderSlider);
var setMouse = BorderSlider.PointToScreen(mCenter);
var value = curPos - mCenter;
if (ControlPressed)
{
value.Y *= (precision * precision);
value.X *= (precision * precision);
}
else
{
value.Y *= precision;
value.X *= precision;
}
if (arrow == EnumDirection.X)
{
value.Y = 0.0;
}
else
{
value.X = 0.0;
}
UpdatePosition(value, arrow);
}
}
/// <summary>
/// Change IsMouseDown state
/// </summary>
private void Slider_MouseDown(object sender, MouseButtonEventArgs e)
{
if (target.IsMouseOver)
{
IsMouseDown = true;
IsMouseReseting = 2;
var setMouse = BorderSlider.PointToScreen(mCenter);
SetCursorPos((int)setMouse.X, (int)setMouse.Y);
target.CaptureMouse();
}
}
/// <summary>
/// Simply grab a 1*1 pixel from the current color image, and
/// use that and copy the new 1*1 image pixels to a byte array and
/// then construct a Color from that.
/// </summary>
private void Slider_MouseMove(object sender, MouseEventArgs e)
{
e.Handled = true;
if (!IsMouseDown)
{
return;
}
if (IsMouseReseting > 0)
{
IsMouseReseting--;
return;
}
if (!shiftPressed)
{
shiftPressed = Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift);
}
try
{
IsMouseReseting++;
var curPos = Mouse.GetPosition(BorderSlider);
var setMouse = BorderSlider.PointToScreen(mCenter);
var value = curPos - mCenter;
if (!(value.X == 0.0 && value.Y == 0.0))
{
if (shiftPressed)
{
if (direction == EnumDirection.Both)
{
//we must set a direction
if (Math.Abs(value.X) > Math.Abs(value.Y))
{
arrowY.Visibility = System.Windows.Visibility.Hidden;
direction = EnumDirection.X;
}
else
{
arrowX.Visibility = System.Windows.Visibility.Hidden;
direction = EnumDirection.Y;
}
}
if (direction == EnumDirection.X)
{
value.Y = 0.0;
}
else
{
value.X = 0.0;
}
}
if (ControlPressed)
{
arrowX.Width = constSmallArrows;
arrowY.Width = constSmallArrows;
value.X *= precision;
value.Y *= precision;
}
else
{
arrowX.Width = constBigArrows;
arrowY.Width = constBigArrows;
}
UpdatePosition(value, direction);
}
SetCursorPos((int)setMouse.X, (int)setMouse.Y);
}
catch
{
//not much we can do
}
}
