private void addCircle()
{
++scnt;
ShapeWrapper sw = new ShapeWrapper(type.CIRCLE, new Ellipse());
shps.Add(sw);
}
private void addSquare()
{
++scnt;
ShapeWrapper sw = new ShapeWrapper(type.SQUARE, getSquare());
shps.Add(sw);
}
private void addLine()
{
++scnt;
ShapeWrapper sw = new ShapeWrapper(type.LINE, getLine());
shps.Add(sw);
}
/// <summary>
/// dots is just a pixel by pixel square, used for the pen tool.
/// </summary>
private Rectangle addDotToShapesList()
{
ShapeWrapper sw = new ShapeWrapper(type.PEN, getSquare());
shps.Add(sw);
penUndoCount.Push(penUndoCount.Pop() + 1);
return(sw.s as Rectangle);
}
private void incDecShapeSize(ShapeWrapper last, int p)
{
if (last.t == type.PEN || last.t == type.LINE)
{
return;
}
last.s.Height += p;
last.s.Width += p;
}
private void moveShape(ShapeWrapper shapeWrapper, double directionX, double directionY)
{
type t = shapeWrapper.t;
if (isNotLegalMove(shapeWrapper.s, directionX, directionY))
{
return;
}
switch (t)
{
case type.CIRCLE:
Ellipse el = (Ellipse)shapeWrapper.s;
Canvas.SetLeft(el, Canvas.GetLeft(el) + directionX);
Canvas.SetTop(el, Canvas.GetTop(el) + directionY);
break;
case type.LINE:
Line l = (Line)shapeWrapper.s;
l.X1 += directionX;
l.X2 += directionX;
l.Y1 += directionY;
l.Y2 += directionY;
break;
case type.SQUARE:
Rectangle rec = (Rectangle)shapeWrapper.s;
double left = Canvas.GetLeft(rec) + directionX;
double top = Canvas.GetTop(rec) + directionY;
if (left > canvXSize || left < 0 ||
top > canvYSize || top < 0 ||
left + rec.Width > canvXSize || top + rec.Height > canvYSize)
{
break;
}
Canvas.SetLeft(rec, Canvas.GetLeft(rec) + directionX);
Canvas.SetTop(rec, Canvas.GetTop(rec) + directionY);
print(Canvas.GetTop(rec).ToString());
break;
}
}
private void addCircle()
{
ShapeWrapper sw = new ShapeWrapper(type.CIRCLE, getEllipse());
shps.Add(sw);
}
/// <summary>
/// Do action of respective hotkey shown in GUI.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Window_KeyDown(object sender, KeyEventArgs e)
{
switch (e.Key)
{
case Key.E:
this.isWhite = !this.isWhite;
this.isWhiteCheckBox.IsChecked = !this.isWhiteCheckBox.IsChecked;
break;
default: // if at all, keys that depend on the existence of a shape on screen.
if (!shps.Any()) // if no object exists, done.
{
break;
}
ShapeWrapper last = shps.Last();
switch (e.Key)
{
case Key.U:
if (!shps.Any())
{
return;
}
if (last.t == type.PEN) // then delete scribble.
{
int size = penUndoCount.Peek();
for (int i = 0; i < size; ++i)
{
removeLastShape();
}
penUndoCount.Pop();
}
else
{
removeLastShape();
}
break;
// move object in direction (doesn't apply for pen tool).
// didn't use arrows bc interferes with buttons and crap.
case Key.A: //left
moveShape(last, -1, 0);
break;
case Key.D: //right
moveShape(last, 1, 0);
break;
case Key.W: //up
moveShape(last, 0, -1);
break;
case Key.S: //down
moveShape(last, 0, 1);
break;
case Key.Q:
incDecShapeSize(last, 1);
break;
case Key.Z:
incDecShapeSize(last, -1);
break;
}
break;
}
}
private void addLineToShapesList()
{
ShapeWrapper sw = new ShapeWrapper(type.LINE, getLine());
shps.Add(sw);
}