/// <summary>
///
/// </summary>
/// <param name="boundsBeforeResize"></param>
/// <param name="gripperPosition"></param>
/// <param name="cursorX"></param>
/// <param name="cursorY"></param>
/// <param name="boundsAfterResize"></param>
/// <param name="angleRoundBehavior"></param>
public static void Scale(Rectangle boundsBeforeResize, Positions gripperPosition, int cursorX, int cursorY, ref NativeRectFloat boundsAfterResize,
IDoubleProcessor angleRoundBehavior)
{
var opts = GetScaleOptions();
var rationalScale = (opts & ScaleOptions.Rational) == ScaleOptions.Rational;
var centeredScale = (opts & ScaleOptions.Centered) == ScaleOptions.Centered;
if (rationalScale)
{
var angle = GeometryHelper.Angle2D(boundsBeforeResize.X, boundsBeforeResize.Y, cursorX, cursorY);
if (angleRoundBehavior != null)
{
angle = angleRoundBehavior.Process(angle);
}
var dist = GeometryHelper.Distance2D(boundsBeforeResize.X, boundsBeforeResize.Y, cursorX, cursorY);
boundsAfterResize = boundsAfterResize.Resize((float)Math.Round(dist * Math.Cos(angle / 180 * Math.PI)), (float)Math.Round(dist * Math.Sin(angle / 180 * Math.PI)));
}
if (centeredScale)
{
var wdiff = boundsAfterResize.Width - boundsBeforeResize.Width;
var hdiff = boundsAfterResize.Height - boundsBeforeResize.Height;
boundsAfterResize = boundsAfterResize.Offset(-wdiff, -hdiff).Resize(boundsAfterResize.Width + wdiff, boundsAfterResize.Height + hdiff);
}
}
public static NativeRectFloat Resize(this NativeRectFloat rect, float?width = null, float?height = null)
{
return(rect.Resize(new NativeSizeFloat(width ?? rect.Width, height ?? rect.Height)));
}