Example #1
0
        // Attempts to place the holder into the final image, returns false if it failed
        public bool AddSlot(StitchHolder holder)
        {
            if (Holder != null)
                return false;
            else
            {
                int i = holder.GetWidth();
                int j = holder.GetHeight();

                if (i <= Width && j <= Height)
                {
                    if (i == Width && j == Height)
                    {
                        Holder = holder;
                        return true;
                    }
                    else
                    {
                        if (_subSlots == null)
                        {
                            // Subdivide remaining space for the subslots
                            _subSlots = new List<StitchSlot>();
                            _subSlots.Add(new StitchSlot(OriginX, OriginY, i, j));
                            int k = Width - i;
                            int l = Height - j;

                            if (k > 0 && l > 0)
                            {
                                int i1 = Math.Max(Height, k);
                                int j1 = Math.Max(Width, l);

                                if (i1 >= j1)
                                {
                                    _subSlots.Add(new StitchSlot(OriginX, OriginY + j, i, l));
                                    _subSlots.Add(new StitchSlot(OriginX + i, OriginY, k, Height));
                                }
                                else
                                {
                                    _subSlots.Add(new StitchSlot(OriginX + i, OriginY, k, j));
                                    _subSlots.Add(new StitchSlot(OriginX, OriginY + j, Width, l));
                                }
                            }
                            else if (k == 0)
                                _subSlots.Add(new StitchSlot(OriginX, OriginY + j, i, l));
                            else if (l == 0)
                                _subSlots.Add(new StitchSlot(OriginX + i, OriginY, k, j));
                        }

                        foreach (StitchSlot slot in _subSlots)
                        {
                            if (slot.AddSlot(holder))
                                return true;
                        }

                        return false;
                    }
                }
                else
                    return false;
            }
        }
Example #2
0
        // Try to make the resulting image bigger, and add the slot, returns false if it could not allocate
        private bool expandAndAllocateSlot(StitchHolder holder)
        {
            int i = Math.Min(holder.GetWidth(), holder.GetHeight());
            bool flag = (CurrentWidth == 0 && CurrentHeight == 0);
            bool mw = CurrentWidth + i <= MAX_DIMENSIONS;
            bool mh = CurrentHeight + i <= MAX_DIMENSIONS;
            // If we are out of space
            if (!mw && !mh)
                return false;

            bool flag1 = mw && (flag || (CurrentWidth <= CurrentHeight));

            int j = Math.Max(holder.GetWidth(), holder.GetHeight());

            // Expanding it would run out of space
            if (MathUtil.NextPowerOf2((flag1 ? CurrentWidth : CurrentHeight) + j) > MAX_DIMENSIONS)
                return false;
            else
            {
                StitchSlot slot;

                if (flag1)
                {
                    if (holder.GetWidth() > holder.GetHeight())
                        holder.Rotate();

                    if (CurrentHeight == 0)
                        CurrentHeight = holder.GetHeight();

                    slot = new StitchSlot(CurrentWidth, 0, holder.GetWidth(), CurrentHeight);
                    CurrentWidth += holder.GetWidth();
                }
                else
                {
                    slot = new StitchSlot(0, CurrentHeight, CurrentWidth, holder.GetHeight());
                    CurrentHeight += holder.GetHeight();
                }

                if (!slot.AddSlot(holder))
                    return false;
                _slotList.Add(slot);

                return true;
            }
        }