public SortableSize AllocateSize(int width, int height, int id)
{
if (m_SortableSizeStack.Count > 0)
{
SortableSize size = m_SortableSizeStack.Pop();
size.width = width;
size.height = height;
size.id = id;
return(size);
}
return(new SortableSize(width, height, id));
}
public int packRectangles(bool sort = true)
{
if (sort)
{
mInsertList.Sort((emp1, emp2) => emp1.width.CompareTo(emp2.width));
}
while (mInsertList.Count > 0)
{
SortableSize sortableSize = mInsertList.Pop();
int width = sortableSize.width;
int height = sortableSize.height;
int index = getFreeAreaIndex(width, height);
if (index >= 0)
{
IntegerRectangle freeArea = mFreeAreas[index];
IntegerRectangle target = allocateRectangle(freeArea.x, freeArea.y, width, height);
target.id = sortableSize.id;
// Generate the new free areas, these are parts of the old ones intersected or touched by the target
generateNewFreeAreas(target, mFreeAreas, mNewFreeAreas);
while (mNewFreeAreas.Count > 0)
{
mFreeAreas.Add(mNewFreeAreas.Pop());
}
mInsertedRectangles.Add(target);
if (target.right > mPackedWidth)
{
mPackedWidth = target.right;
}
if (target.bottom > mPackedHeight)
{
mPackedHeight = target.bottom;
}
}
freeSize(sortableSize);
}
return(rectangleCount);
}
public int PackRectangles(bool sort = true)
{
if (sort)
{
m_InsertList.Sort((emp1, emp2) => emp1.width.CompareTo(emp2.width));
}
while (m_InsertList.Count > 0)
{
SortableSize sortableSize = m_InsertList.Pop();
int width = sortableSize.width;
int height = sortableSize.height;
int index = GetFreeAreaIndex(width, height);//根据W，H 得到下标
if (index >= 0)
{
IntegerRectangle freeArea = m_FreeAreas[index];//得到一个可以容纳target的Area
IntegerRectangle target = RectanglePackerMgr.S.AllocateIntegerRectangle(freeArea.x, freeArea.y, width, height);
target.id = sortableSize.id;
// Generate the new free areas, these are parts of the old ones intersected or touched by the target
GenerateNewFreeAreas(target, m_TempFreeAreas);
while (m_TempFreeAreas.Count > 0)
{
m_FreeAreas.Add(m_TempFreeAreas.Pop());
}
m_InsertedRectangles.Add(target);
if (target.right > m_PackedWidth)
{
m_PackedWidth = target.right;
}
if (target.top > m_PackedHeight)
{
m_PackedHeight = target.top;
}
}
RectanglePackerMgr.S.ReleaseSize(sortableSize);
}
return(rectangleCount);
}
private void freeSize(SortableSize size)
{
mSortableSizeStack.Add(size);
}
public void insertRectangle(int width, int height, int id)
{
SortableSize sortableSize = allocateSize(width, height, id);
mInsertList.Add(sortableSize);
}
public void ReleaseSize(SortableSize size)
{
m_SortableSizeStack.Add(size);
}
public void InsertRectangle(int width, int height, int id)
{
SortableSize sortableSize = RectanglePackerMgr.S.AllocateSize(width, height, id);
m_InsertList.Add(sortableSize);
}
