public void ScaleAt(float scaleX, float scaleY, Vex.Point center)
{
scaleX = (Math.Abs(scaleX) < .01) ? .01f : scaleX;
scaleY = (Math.Abs(scaleY) < .01) ? .01f : scaleY;
Matrix tm = TransformMatrix.Clone();
tm.Translate(-TransformMatrix.OffsetX, -TransformMatrix.OffsetY, MatrixOrder.Append);
Matrix itm = tm.Clone();
itm.Invert();
foreach (uint id in list)
{
DesignInstance inst = instanceManager[id];
using (Matrix ms = inst.GetMatrix().SysMatrix())
{
ms.Translate(-center.X, -center.Y, MatrixOrder.Append);
ms.Multiply(itm, MatrixOrder.Append);
ms.Scale(scaleX, scaleY, MatrixOrder.Append);
ms.Multiply(tm, MatrixOrder.Append);
ms.Translate(center.X, center.Y, MatrixOrder.Append);
inst.SetMatrix(ms.VexMatrix());
}
}
tm.Dispose();
itm.Dispose();
transformMatrix.ScaleAt(scaleX, scaleY, center.SysPointF());
isDirty = true;
MainForm.CurrentStage.InvalidateTransformedSelection();
}
public PointF[] GetTransformedPoints(Matrix globalMatrix)
{
Vex.Rectangle tb = UntransformedBounds;
PointF[] pts = tb.SysPointFs();
using (Matrix m = TransformMatrix.Clone())
{
m.Multiply(globalMatrix, MatrixOrder.Append);
m.TransformPoints(pts);
}
return(pts);
}
public void DrawScaled(Graphics g, float scaleX, float scaleY, Vex.Point center)
{
Matrix m = g.Transform;
scaleX = (Math.Abs(scaleX) < .01) ? .01f : scaleX;
scaleY = (Math.Abs(scaleY) < .01) ? .01f : scaleY;
Matrix tm = TransformMatrix.Clone();
tm.Translate(-TransformMatrix.OffsetX, -TransformMatrix.OffsetY, MatrixOrder.Append);
Matrix itm = tm.Clone();
itm.Invert();
foreach (uint id in list)
{
DesignInstance inst = instanceManager[id];
using (Matrix ms = inst.GetMatrix().SysMatrix())
{
ms.Translate(-center.X, -center.Y, MatrixOrder.Append);
ms.Multiply(itm, MatrixOrder.Append);
ms.Scale(scaleX, scaleY, MatrixOrder.Append);
ms.Multiply(tm, MatrixOrder.Append);
ms.Translate(center.X, center.Y, MatrixOrder.Append);
ms.Multiply(m, MatrixOrder.Append);
g.Transform = ms;
inst.DrawOutlineIntoRaw(g, 0, 0);
}
}
tm.Dispose();
itm.Dispose();
g.Transform = m;
}