protected override bool PerformPaintTransformation(ref RadMatrix matrix)
{
bool flag = false;
float angleTransform = this.AngleTransform;
if ((double)angleTransform != 0.0)
{
flag = true;
RectangleF bounds = new RectangleF(PointF.Empty, (SizeF)this.Bounds.Size);
TelerikHelper.PerformCenteredRotation(ref matrix, bounds, angleTransform);
}
SizeF scaleTransform = this.ScaleTransform;
if ((double)scaleTransform.Width > 0.0 && (double)scaleTransform.Height > 0.0 && ((double)scaleTransform.Width != 1.0 || (double)scaleTransform.Height != 1.0))
{
flag = true;
matrix.Scale(scaleTransform.Width, scaleTransform.Height, MatrixOrder.Append);
}
SizeF positionOffset = this.PositionOffset;
if (positionOffset != SizeF.Empty)
{
flag = true;
matrix.Translate(this.RightToLeft ? -positionOffset.Width : positionOffset.Width, positionOffset.Height, MatrixOrder.Append);
}
return(flag);
}
public RectangleF GetTransformedBounds(RectangleF bounds)
{
RadMatrix identity = RadMatrix.Identity;
if (this.ScaleTransform != this.defaultScaleTransform)
{
identity.Translate(-bounds.X, -bounds.Y, MatrixOrder.Append);
identity.Scale(this.ScaleTransform.Width, this.ScaleTransform.Height, MatrixOrder.Append);
identity.Translate(bounds.X, bounds.Y, MatrixOrder.Append);
}
if ((double)this.AngleTransform != 0.0)
{
SizeF sz = new SizeF(bounds.Width / 2f, bounds.Height / 2f);
identity.RotateAt(this.AngleTransform, PointF.Add(bounds.Location, sz), MatrixOrder.Append);
RectangleF boundingRect = TelerikHelper.GetBoundingRect(bounds, identity);
identity.Translate(bounds.X - boundingRect.X, bounds.Y - boundingRect.Y, MatrixOrder.Append);
}
return(identity.TransformRectangle(bounds));
}
public static RectangleF PerformTopLeftRotation(
ref RadMatrix matrix,
RectangleF bounds,
float angle)
{
RadMatrix identity = RadMatrix.Identity;
RectangleF rectangleF = TelerikHelper.PerformCenteredRotation(ref identity, bounds, angle);
identity.Translate(bounds.X - rectangleF.X, bounds.Y - rectangleF.Y, MatrixOrder.Append);
matrix.Multiply(identity, MatrixOrder.Append);
return(new RectangleF(bounds.Location, rectangleF.Size));
}