private void Canvas_MouseMove(object sender, MouseEventArgs e)
{
//Point s = new Point(200, 200);
Point s;
if (isMouseDown)
{
//X = X - mouseLastLocation.X + e.X;
//Y = Y - mouseLastLocation.Y + e.Y;
/*
* // Calcualte the Canvas's new location
* Point newLocation = new Point(RealLocation.X - mouseLastLocation.X + e.X,
* RealLocation.Y - mouseLastLocation.Y + e.Y);
*
* Size halfCanvas = new Size((int)((float)Canvas.Width / 2.0f),
* (int)((float)Canvas.Height / 2.0f));
*
* Point canvasLocation = Point.Empty;
*
* if(IsLeft())
* {
* newLocation.X = Funcs.Clamp(newLocation.X, 0, Zoom.paperSize.Width - Canvas.Width);
* canvasLocation.X = newLocation.X;
* }
* else if(IsCenter())
* {
* newLocation.X = Funcs.Clamp(newLocation.X, halfCanvas.Width, Zoom.paperSize.Width - halfCanvas.Width);
* canvasLocation.X = newLocation.X - halfCanvas.Width;
* }
* else if(IsRight())
* {
* newLocation.X = Funcs.Clamp(newLocation.X, Canvas.Width, Zoom.paperSize.Width);
* canvasLocation.X = newLocation.X - Canvas.Width;
* }
*
* if (IsUp())
* {
* newLocation.Y = Funcs.Clamp(newLocation.Y, 0, Zoom.paperSize.Height - Canvas.Height);
* canvasLocation.Y = newLocation.Y;
* }
* else if (IsMiddle())
* {
* newLocation.Y = Funcs.Clamp(newLocation.Y, halfCanvas.Height, Zoom.paperSize.Height - halfCanvas.Height);
* canvasLocation.Y = newLocation.Y - halfCanvas.Height;
* }
* else if (IsDown())
* {
* newLocation.Y = Funcs.Clamp(newLocation.Y, Canvas.Height, Zoom.paperSize.Height);
* canvasLocation.Y = newLocation.Y - Canvas.Height;
* }
*
*
* RealLocation = newLocation;
*
* Canvas.Location = Zoom.Calculate(canvasLocation);
* Canvas.Update();
*
*/
// Calcualte the Canvas's new location
Point p = new Point(Holder.Location.X - mouseLastLocation.X + e.X,
Holder.Location.Y - mouseLastLocation.Y + e.Y);
// Ignore snapping and alignment if control is pressed
if (Control.ModifierKeys != Keys.Control && e.Button != MouseButtons.Right)
{
// A Basic snapping Algorithm
foreach (DocumentObject obj in Objects.objectList)
{
if (obj == this || !obj.Visible)
{
continue;
}
s = obj.Holder.Location;
if (p.X >= s.X - 10 && p.X < s.X + 10)
{
p.X = s.X;
}
if (p.Y >= s.Y - 10 && p.Y < s.Y + 10)
{
p.Y = s.Y;
}
}
}
// Always clamp Position to inside the document
p.X = Funcs.Clamp(p.X, 0, Zoom.paperSize.Width - Holder.Width);
p.Y = Funcs.Clamp(p.Y, 0, Zoom.paperSize.Height - Holder.Height);
Holder.Location = p;
Holder.Update();
RecalculateRealPosition();
// Update position labels on the main form
LivePreview.mainForm.UpdateObjectPosition();
}
}