/// <summary>
/// Handles the MouseMove event of the imgCurrent control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="MouseEventArgs"/> instance containing the event data.</param>
private void imgCurrent_MouseMove(object sender, MouseEventArgs e)
{
if (_isDragging)
{
var point = e.GetPosition((IInputElement)sender);
var width = point.X - _selectRectangleStartPoint.X;
var height = point.Y - _selectRectangleStartPoint.Y;
if (width == 0 || height == 0)
{
return;
}
if (width > 0)
{
SelectRectangle.Width = width;
}
else
{
_selectRectangleStartPoint.X += width;
SelectRectangle.SetValue(Canvas.LeftProperty, _selectRectangleStartPoint.X);
SelectRectangle.Width -= width;
}
if (height > 0)
{
SelectRectangle.Height = height;
}
else
{
_selectRectangleStartPoint.Y += height;
SelectRectangle.SetValue(Canvas.TopProperty, _selectRectangleStartPoint.Y);
SelectRectangle.Height -= height;
}
return;
}
if (_isLeftMouseButtonPressed)
{
var point = e.GetPosition((IInputElement)sender);
var xDelta = point.X - _selectRectangleStartPoint.X;
var yDelta = point.Y - _selectRectangleStartPoint.Y;
ImageTranslateX += xDelta;
ImageTranslateY += yDelta;
_selectRectangleStartPoint = new Point(point.X, point.Y);
}
}
private void imgCurrent_MouseMove(object sender, MouseEventArgs e)
{
if (_isDragging)
{
var point = e.GetPosition((IInputElement)sender);
var width = point.X - _selectRectangleStartPoint.X;
var height = point.Y - _selectRectangleStartPoint.Y;
if (width == 0 || height == 0)
{
return;
}
//width = width == 0 ? 1 : width;
//height = height == 0 ? 1 : height;
if (width > 0)
{
SelectRectangle.Width = width;
}
else
{
_selectRectangleStartPoint.X += width;
SelectRectangle.SetValue(Canvas.LeftProperty, _selectRectangleStartPoint.X);
SelectRectangle.Width -= width;
}
if (height > 0)
{
SelectRectangle.Height = height;
}
else
{
_selectRectangleStartPoint.Y += height;
SelectRectangle.SetValue(Canvas.TopProperty, _selectRectangleStartPoint.Y);
SelectRectangle.Height -= height;
}
}
}
private void OriginalImageContainer_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
{
if (_isDragging)
{
var x = e.GetPosition(BackPlane).X;
var y = e.GetPosition(BackPlane).Y;
_currentPointImg.X = e.GetPosition(OriginalImage).X;
_currentPointImg.Y = e.GetPosition(OriginalImage).Y;
// Debug.WriteLine("Canvas: x = {0} y = {1} X = {2} Y = {3} Width = {4} Height = {5}", x, y, _anchorPoint.X, _anchorPoint.Y, Math.Abs(x - _anchorPoint.X), Math.Abs(y - _anchorPoint.Y));
// Debug.WriteLine("Image: x = {0} y = {1} X = {2} Y = {3} Width = {4} Height = {5}", _currentPointImg.X, _currentPointImg.Y, _anchorPointImg.X, _anchorPointImg.Y, Math.Abs(_currentPointImg.X - _anchorPointImg.X), Math.Abs(_currentPointImg.Y - _anchorPointImg.Y));
SelectRectangle.SetValue(Canvas.LeftProperty, Math.Min(x, _anchorPoint.X));
SelectRectangle.SetValue(Canvas.TopProperty, Math.Min(y, _anchorPoint.Y));
SelectRectangle.Width = Math.Abs(x - _anchorPoint.X);
SelectRectangle.Height = Math.Abs(y - _anchorPoint.Y);
if (SelectRectangle.Visibility != Visibility.Visible)
{
SelectRectangle.Visibility = Visibility.Visible;
}
}
}