void HandleScale(double scale)
{
var manipOrg = _textEnterUC.RenderTransform.Transform(new Point(0, 0));
ShapeUtils.ApplyTransform(_textEnterUC, new Vector(manipOrg.X, manipOrg.Y),
new Vector(0, 0), 0, new Vector(scale, scale));
}
public void ManipulationDelta(object sender, ManipulationDeltaEventArgs e)
{
ShapeUtils.ApplyTransform(e, _textEnterUC);
e.Handled = true;
SetBounds();
}
public void ManipulationDelta(object sender, ManipulationDeltaEventArgs e)
{
ShapeUtils.ApplyTransform(e, _textEnterUC);
e.Handled = true;
updateUserCursor();
}
private void HandleMove(double dx, double dy)
{
var manipOrg = GetOrigin();
ShapeUtils.ApplyTransform(_textEnterUC,
new Vector(manipOrg.X, manipOrg.Y),
new Vector(dx, dy),
0,
new Vector(1, 1));
}
private void HandleResize(double deltaX, double deltaY, ShapeUtils.RectSide side)
{
Rect bounds = GetShapeBounds();
Rect boundsBefore = bounds;
try
{
switch (side)
{
case ShapeUtils.RectSide.TopLeft:
bounds.X += deltaX;
bounds.Y += deltaY;
bounds.Width -= deltaX;
bounds.Height -= deltaY;
break;
case ShapeUtils.RectSide.TopRight:
bounds.Width += deltaX;
bounds.Y += deltaY;
bounds.Height -= deltaY;
break;
case ShapeUtils.RectSide.BottomLeft:
bounds.X += deltaX;
bounds.Width -= deltaX;
bounds.Height += deltaY;
break;
case ShapeUtils.RectSide.BottomRight:
bounds.Width += deltaX;
bounds.Height += deltaY;
break;
case ShapeUtils.RectSide.TwoSided:
break;
}
}
catch (Exception)
{
}
if (bounds.Width > MIN_SIZE && bounds.Height > MIN_SIZE)
{
var manipOrg = _textEnterUC.RenderTransform.Transform(
new Point(0, 0)
);
double xScale = bounds.Width / boundsBefore.Width;
double yScale = bounds.Height / boundsBefore.Height;
double scaleCoeff = Math.Max(xScale, yScale);
var scale = new Vector(yScale,
yScale);
var translate = new Vector(bounds.X - boundsBefore.X,
bounds.Y - boundsBefore.Y);
ShapeUtils.ApplyTransform(_textEnterUC,
new Vector(manipOrg.X, manipOrg.Y),
translate,
0,
scale);
SetBounds();
}
}
