public Vector2 Transform(Vector vector)
{
double multX = PhysicalRectangle.GetSize().Width / m_visibleLogicalRectangle.Width;
double multY = PhysicalRectangle.GetSize().Height / m_visibleLogicalRectangle.Height;
var transformed = new Vector2((float)(PhysicalRectangle.X + multX * (vector.X - m_visibleLogicalRectangle.Left)),
(float)(PhysicalRectangle.Y + PhysicalRectangle.GetSize().Height - multY * (vector.Y - m_visibleLogicalRectangle.Bottom)));
return(transformed);
}
public Vector2 CreateScaleVector(Size logicalSize, Size physicalSize)
{
var needPhysicalWidth = logicalSize.Width * PhysicalRectangle.GetSize().Width / m_visibleLogicalRectangle.Width;
var needPhysicalHeight = logicalSize.Height * PhysicalRectangle.GetSize().Height / m_visibleLogicalRectangle.Height;
var scaleVector = new Vector(needPhysicalWidth / physicalSize.Width,
needPhysicalHeight / physicalSize.Height);
return(scaleVector.ToVector2());
}
private Size MaximalVisibleLogicalSize()
{
double logicalAspect = FullLogicalSize.Aspect;
double physicalAspect = PhysicalRectangle.GetSize().Aspect;
double visibleHeight;
double visibleWidth;
if (logicalAspect > physicalAspect) // logical wider than physical
{
visibleHeight = FullLogicalSize.Height;
visibleWidth = visibleHeight * physicalAspect;
}
else // physical wider than logical
{
visibleWidth = FullLogicalSize.Width;
visibleHeight = visibleWidth / physicalAspect;
}
return(new Size(visibleWidth, visibleHeight));
}
