public ImageContainer PopImageContainers(int n)
{
ImageContainer t = top;
ImageContainer popStart = null;
ImageContainer lastPopped = null;
int i = 0;
while (t != null && i++ < n)
{
if (lastPopped == null)
{
popStart = t;
}
lastPopped = t;
//they are already linked so ne need to link them again
//just move the top down
top = top.getNext();
//reduce the total perimeter in the image bank
this.perimeter -= t.getWidth();
this.totalContainers--;
t = t.getNext();
}
if (lastPopped != null)
{
lastPopped.setNext(null); //to terminate the list
}
return(popStart);
}
private int MakeImageContainerListAndComputePerimeter(Album album)
{
int total = 0;
// ImageContainer top=null;
ImageContainer last = null;
this.perimeter = 0;
for (int i = 0; i < album.photoList.Length; i++)
{
Photo photo = album.photoList[i];
double normalizedWidth = (photo.width / this.largestWidthOfAPhoto) * maxWidth;
double normalizedHeight = (photo.width / this.largestHeightOfAPhoto) * maxHeight;
ImageContainer imageContainer = new ImageContainer(photo, normalizedWidth, normalizedHeight);
if (last == null)
{
top = imageContainer;
}
else
{
last.setNext(imageContainer);
}
last = imageContainer;
total++;
this.perimeter += imageContainer.getWidth();
}
return(total);
}