/**
* Adjusts this Edge position such that the resulting window will have the
* given aspect ratio.
*
* @param aspectRatio the aspect ratio to achieve
*/
public void adjustCoordinate(float aspectRatio)
{
float left = EdgeManager.LEFT.coordinate;
float top = EdgeManager.TOP.coordinate;
float right = EdgeManager.RIGHT.coordinate;
float bottom = EdgeManager.BOTTOM.coordinate;
switch (edgeType)
{
case EdgeType.LEFT:
coordinate = AspectRatioUtil.calculateLeft(top, right, bottom, aspectRatio);
break;
case EdgeType.TOP:
coordinate = AspectRatioUtil.calculateTop(left, right, bottom, aspectRatio);
break;
case EdgeType.RIGHT:
coordinate = AspectRatioUtil.calculateRight(left, top, bottom, aspectRatio);
break;
case EdgeType.BOTTOM:
coordinate = AspectRatioUtil.calculateBottom(left, top, right, aspectRatio);
break;
}
}
/**
* Returns whether or not you can re-scale the image based on whether any edge would be out of bounds.
* Checks all the edges for a possibility of jumping out of bounds.
*
* @param Edge the Edge that is about to be expanded
* @param imageRect the rectangle of the picture
* @param aspectratio the desired aspectRatio of the picture.
*
* @return whether or not the new image would be out of bounds.
*/
public bool isNewRectangleOutOfBounds(Edge edge, Rect imageRect, float aspectRatio)
{
float offset = edge.snapOffset(imageRect);
switch (edgeType)
{
case EdgeType.LEFT:
if (edge.Equals(EdgeManager.TOP))
{
float top = imageRect.Top;
float bottom = EdgeManager.BOTTOM.coordinate - offset;
float right = EdgeManager.RIGHT.coordinate;
float left = AspectRatioUtil.calculateLeft(top, right, bottom, aspectRatio);
return(isOutOfBounds(top, left, bottom, right, imageRect));
}
else if (edge.Equals(EdgeManager.BOTTOM))
{
float bottom = imageRect.Bottom;
float top = EdgeManager.TOP.coordinate - offset;
float right = EdgeManager.RIGHT.coordinate;
float left = AspectRatioUtil.calculateLeft(top, right, bottom, aspectRatio);
return(isOutOfBounds(top, left, bottom, right, imageRect));
}
break;
case EdgeType.TOP:
if (edge.Equals(EdgeManager.LEFT))
{
float left = imageRect.Left;
float right = EdgeManager.RIGHT.coordinate - offset;
float bottom = EdgeManager.BOTTOM.coordinate;
float top = AspectRatioUtil.calculateTop(left, right, bottom, aspectRatio);
return(isOutOfBounds(top, left, bottom, right, imageRect));
}
else if (edge.Equals(EdgeManager.RIGHT))
{
float right = imageRect.Right;
float left = EdgeManager.LEFT.coordinate - offset;
float bottom = EdgeManager.BOTTOM.coordinate;
float top = AspectRatioUtil.calculateTop(left, right, bottom, aspectRatio);
return(isOutOfBounds(top, left, bottom, right, imageRect));
}
break;
case EdgeType.RIGHT:
if (edge.Equals(EdgeManager.TOP))
{
float top = imageRect.Top;
float bottom = EdgeManager.BOTTOM.coordinate - offset;
float left = EdgeManager.LEFT.coordinate;
float right = AspectRatioUtil.calculateRight(left, top, bottom, aspectRatio);
return(isOutOfBounds(top, left, bottom, right, imageRect));
}
else if (edge.Equals(EdgeManager.BOTTOM))
{
float bottom = imageRect.Bottom;
float top = EdgeManager.TOP.coordinate - offset;
float left = EdgeManager.LEFT.coordinate;
float right = AspectRatioUtil.calculateRight(left, top, bottom, aspectRatio);
return(isOutOfBounds(top, left, bottom, right, imageRect));
}
break;
case EdgeType.BOTTOM:
if (edge.Equals(EdgeManager.LEFT))
{
float left = imageRect.Left;
float right = EdgeManager.RIGHT.coordinate - offset;
float top = EdgeManager.TOP.coordinate;
float bottom = AspectRatioUtil.calculateBottom(left, top, right, aspectRatio);
return(isOutOfBounds(top, left, bottom, right, imageRect));
}
else if (edge.Equals(EdgeManager.RIGHT))
{
float right = imageRect.Right;
float left = EdgeManager.LEFT.coordinate - offset;
float top = EdgeManager.TOP.coordinate;
float bottom = AspectRatioUtil.calculateBottom(left, top, right, aspectRatio);
return(isOutOfBounds(top, left, bottom, right, imageRect));
}
break;
}
return(true);
}