Example #1
0
        public void Sort(VectorPOD_RangeAdaptor dataToSort, uint beg, uint end)
        {
            if (end == beg)
            {
                return;
            }
            else
            {
                uint pivot = GetPivotPoint(dataToSort, beg, end);
                if (pivot > beg)
                {
                    Sort(dataToSort, beg, pivot - 1);
                }

                if (pivot < end)
                {
                    Sort(dataToSort, pivot + 1, end);
                }
            }
        }
Example #2
0
        private uint GetPivotPoint(VectorPOD_RangeAdaptor dataToSort, uint begPoint, uint endPoint)
        {
            uint pivot = begPoint;
            uint m     = begPoint + 1;
            uint n     = endPoint;

            while ((m < endPoint) &&
                   dataToSort[pivot] >= dataToSort[m])
            {
                m++;
            }

            while ((n > begPoint) && (dataToSort[pivot] <= dataToSort[n]))
            {
                n--;
            }
            while (m < n)
            {
                uint temp = dataToSort[m];
                dataToSort[m] = dataToSort[n];
                dataToSort[n] = temp;

                while ((m < endPoint) && (dataToSort[pivot] >= dataToSort[m]))
                {
                    m++;
                }

                while ((n > begPoint) && (dataToSort[pivot] <= dataToSort[n]))
                {
                    n--;
                }
            }
            if (pivot != n)
            {
                uint temp2 = dataToSort[n];
                dataToSort[n]     = dataToSort[pivot];
                dataToSort[pivot] = temp2;
            }
            return(n);
        }
        // Returns the number of styles
        public int sweep_styles()
        {
            for(;;)
            {
                if(m_scan_y > m_Rasterizer.max_y()) return 0;
                int num_cells = (int)m_Rasterizer.scanline_num_cells(m_scan_y);
                cell_aa[] cells;
                int cellOffset = 0;
                int curCellOffset;
                m_Rasterizer.scanline_cells(m_scan_y, out cells, out cellOffset);
                int num_styles = (int)(m_max_style - m_min_style + 2);
                int style_id;
                int styleOffset = 0;

                m_cells.Allocate((int)num_cells * 2, 256); // Each cell can have two styles
                m_ast.Capacity(num_styles, 64);
                m_asm.Allocate((num_styles + 7) >> 3, 8);
                m_asm.zero();

                if(num_cells > 0)
                {
                    // Pre-add zero (for no-fill style, that is, -1).
                    // We need that to ensure that the "-1 style" would go first.
                    m_asm.Array[0] |= 1; 
                    m_ast.add(0);
                    m_styles.Array[styleOffset].start_cell = 0;
                    m_styles.Array[styleOffset].num_cells = 0;
                    m_styles.Array[styleOffset].last_x = -0x7FFFFFFF;

                    m_sl_start = cells[0].x;
                    m_sl_len   = (int)(cells[num_cells-1].x - m_sl_start + 1);
                    while(num_cells-- != 0)
                    {
                        curCellOffset = (int)cellOffset++;
                        add_style(cells[curCellOffset].left);
                        add_style(cells[curCellOffset].right);
                    }

                    // Convert the Y-histogram into the array of starting indexes
                    int i;
                    int start_cell = 0;
                    style_info[] stylesArray = m_styles.Array;
                    for(i = 0; i < m_ast.size(); i++)
                    {
                        int IndexToModify = (int)m_ast[i];
                        int v = stylesArray[IndexToModify].start_cell;
                        stylesArray[IndexToModify].start_cell = start_cell;
                        start_cell += v;
                    }

                    num_cells = (int)m_Rasterizer.scanline_num_cells(m_scan_y);
                    m_Rasterizer.scanline_cells(m_scan_y, out cells, out cellOffset);

                    while(num_cells-- > 0)
                    {
                        curCellOffset = (int)cellOffset++;
                        style_id = (int)((cells[curCellOffset].left < 0) ? 0 :
                                    cells[curCellOffset].left - m_min_style + 1);

                        styleOffset = (int)style_id;
                        if (cells[curCellOffset].x == stylesArray[styleOffset].last_x)
                        {
                            cellOffset = stylesArray[styleOffset].start_cell + stylesArray[styleOffset].num_cells - 1;
                            unchecked
                            {
                                cells[cellOffset].area += cells[curCellOffset].area;
                                cells[cellOffset].cover += cells[curCellOffset].cover;
                            }
                        }
                        else
                        {
                            cellOffset = stylesArray[styleOffset].start_cell + stylesArray[styleOffset].num_cells;
                            cells[cellOffset].x = cells[curCellOffset].x;
                            cells[cellOffset].area = cells[curCellOffset].area;
                            cells[cellOffset].cover = cells[curCellOffset].cover;
                            stylesArray[styleOffset].last_x = cells[curCellOffset].x;
                            stylesArray[styleOffset].num_cells++;
                        }

                        style_id = (int)((cells[curCellOffset].right < 0) ? 0 :
                                    cells[curCellOffset].right - m_min_style + 1);

                        styleOffset = (int)style_id;
                        if (cells[curCellOffset].x == stylesArray[styleOffset].last_x)
                        {
                            cellOffset = stylesArray[styleOffset].start_cell + stylesArray[styleOffset].num_cells - 1;
                            unchecked
                            {
                                cells[cellOffset].area -= cells[curCellOffset].area;
                                cells[cellOffset].cover -= cells[curCellOffset].cover;
                            }
                        }
                        else
                        {
                            cellOffset = stylesArray[styleOffset].start_cell + stylesArray[styleOffset].num_cells;
                            cells[cellOffset].x = cells[curCellOffset].x;
                            cells[cellOffset].area = -cells[curCellOffset].area;
                            cells[cellOffset].cover = -cells[curCellOffset].cover;
                            stylesArray[styleOffset].last_x = cells[curCellOffset].x;
                            stylesArray[styleOffset].num_cells++;
                        }
                    }
                }
                if(m_ast.size() > 1) break;
                ++m_scan_y;
            }
            ++m_scan_y;

            if (m_layer_order != layer_order_e.layer_unsorted)
            {
                VectorPOD_RangeAdaptor ra = new VectorPOD_RangeAdaptor(m_ast, 1, m_ast.size() - 1);
                if (m_layer_order == layer_order_e.layer_direct)
                {
                    QuickSort_range_adaptor_uint m_QSorter = new QuickSort_range_adaptor_uint();
                    m_QSorter.Sort(ra);
                    //quick_sort(ra, uint_greater);
                }
                else
                {
                    throw new System.NotImplementedException();
                    //QuickSort_range_adaptor_uint m_QSorter = new QuickSort_range_adaptor_uint();
                    //m_QSorter.Sort(ra);
                    //quick_sort(ra, uint_less);
                }
            }

            return m_ast.size() - 1;
        }
        ///<summary>
        ///</summary>
        ///<returns></returns>
        ///<exception cref="NotImplementedException"></exception>
        public uint SweepStyles()
        {
            for (; ; )
            {
                if (_scanY > _rasterizer.MaxY()) return 0;
                int numCells = (int)_rasterizer.ScanlineNumCells((uint)_scanY);
                AntiAliasingCell[] cells;
                uint cellOffset;
                _rasterizer.ScanlineCells((uint)_scanY, out cells, out cellOffset);
                uint numStyles = (uint)(_maxStyle - _minStyle + 2);
                int styleOffset = 0;

                _cells.Allocate((uint)numCells * 2, 256); // Each cell can have two Styles
                _activeStyleTable.Capacity(numStyles, 64);
                _activeStyleMask.Allocate((numStyles + 7) >> 3, 8);
                _activeStyleMask.Zero();

                if (numCells > 0)
                {
                    // Pre-Add zero (for no-fill Style, that is, -1).
                    // We need that to ensure that the "-1 Style" would go first.
                    _activeStyleMask.Array[0] |= 1;
                    _activeStyleTable.Add(0);
                    _activeStyles.Array[styleOffset].StartCell = 0;
                    _activeStyles.Array[styleOffset].NumCells = 0;
                    _activeStyles.Array[styleOffset].LastX = -0x7FFFFFFF;

                    _scanlineStart = cells[0].x;
                    _scanlineLength = (uint)(cells[numCells - 1].x - _scanlineStart + 1);
                    int curCellOffset;
                    while (numCells-- != 0)
                    {
                        curCellOffset = (int)cellOffset++;
                        AddStyle(cells[curCellOffset].left);
                        AddStyle(cells[curCellOffset].right);
                    }

                    // Convert the Y-histogram into the array of starting indexes
                    uint i = 0u;
                    uint startCell = 0;
                    StyleInfo[] stylesArray = _activeStyles.Array;
                    int indexToModify = (int)_activeStyleTable[i];
                    for (i = 0; i < _activeStyleTable.Size(); i++)
                    {
                        uint v = stylesArray[indexToModify].StartCell;
                        stylesArray[indexToModify].StartCell = startCell;
                        startCell += v;
                    }

                    numCells = (int)_rasterizer.ScanlineNumCells((uint)_scanY);
                    _rasterizer.ScanlineCells((uint)_scanY, out cells, out cellOffset);

                    while (numCells-- > 0)
                    {
                        curCellOffset = (int)cellOffset;
                        uint styleId = (uint)((cells[curCellOffset].left < 0) ? 0 :
                                                                                       cells[curCellOffset].left - _minStyle + 1);

                        styleOffset = (int)styleId;
                        if (cells[curCellOffset].x == stylesArray[styleOffset].LastX)
                        {
                            cellOffset = stylesArray[styleOffset].StartCell + stylesArray[styleOffset].NumCells - 1;
                            unchecked
                            {
                                cells[cellOffset].area += cells[curCellOffset].area;
                                cells[cellOffset].cover += cells[curCellOffset].cover;
                            }
                        }
                        else
                        {
                            cellOffset = stylesArray[styleOffset].StartCell + stylesArray[styleOffset].NumCells;
                            cells[cellOffset].x = cells[curCellOffset].x;
                            cells[cellOffset].area = cells[curCellOffset].area;
                            cells[cellOffset].cover = cells[curCellOffset].cover;
                            stylesArray[styleOffset].LastX = cells[curCellOffset].x;
                            stylesArray[styleOffset].NumCells++;
                        }

                        styleId = (uint)((cells[curCellOffset].right < 0) ? 0 :
                                    cells[curCellOffset].right - _minStyle + 1);

                        styleOffset = (int)styleId;
                        if (cells[curCellOffset].x == stylesArray[styleOffset].LastX)
                        {
                            cellOffset = stylesArray[styleOffset].StartCell + stylesArray[styleOffset].NumCells - 1;
                            unchecked
                            {
                                cells[cellOffset].area -= cells[curCellOffset].area;
                                cells[cellOffset].cover -= cells[curCellOffset].cover;
                            }
                        }
                        else
                        {
                            cellOffset = stylesArray[styleOffset].StartCell + stylesArray[styleOffset].NumCells;
                            cells[cellOffset].x = cells[curCellOffset].x;
                            cells[cellOffset].area = -cells[curCellOffset].area;
                            cells[cellOffset].cover = -cells[curCellOffset].cover;
                            stylesArray[styleOffset].LastX = cells[curCellOffset].x;
                            stylesArray[styleOffset].NumCells++;
                        }
                    }
                }
                if (_activeStyleTable.Size() > 1) break;
                ++_scanY;
            }
            ++_scanY;

            if (_layerOrder != ELayerOrder.LayerUnsorted)
            {
                VectorPOD_RangeAdaptor ra = new VectorPOD_RangeAdaptor(_activeStyleTable, 1, _activeStyleTable.Size() - 1);
                if (_layerOrder == ELayerOrder.LayerDirect)
                {
                    QuickSortRangeAdaptorUint mQSorter = new QuickSortRangeAdaptorUint();
                    mQSorter.Sort(ra);
                    //quick_sort(ra, uint_greater);
                }
                else
                {
                    throw new NotImplementedException();
                    //QuickSortRangeAdaptorUint m_QSorter = new QuickSortRangeAdaptorUint();
                    //m_QSorter.Sort(ra);
                    //quick_sort(ra, uint_less);
                }
            }

            return _activeStyleTable.Size() - 1;
        }
Example #5
0
        private uint GetPivotPoint(VectorPOD_RangeAdaptor dataToSort, uint begPoint, uint endPoint)
        {
            uint pivot = begPoint;
            uint m = begPoint + 1;
            uint n = endPoint;
            while ((m < endPoint)
                && dataToSort[pivot] >= dataToSort[m])
            {
                m++;
            }

            while ((n > begPoint) && (dataToSort[pivot] <= dataToSort[n]))
            {
                n--;
            }
            while (m < n)
            {
                uint temp = dataToSort[m];
                dataToSort[m] = dataToSort[n];
                dataToSort[n] = temp;

                while ((m < endPoint) && (dataToSort[pivot] >= dataToSort[m]))
                {
                    m++;
                }

                while ((n > begPoint) && (dataToSort[pivot] <= dataToSort[n]))
                {
                    n--;
                }
            }
            if (pivot != n)
            {
                uint temp2 = dataToSort[n];
                dataToSort[n] = dataToSort[pivot];
                dataToSort[pivot] = temp2;
            }
            return n;
        }
Example #6
0
        public void Sort(VectorPOD_RangeAdaptor dataToSort, uint beg, uint end)
        {
            if (end == beg)
            {
                return;
            }
            else
            {
                uint pivot = GetPivotPoint(dataToSort, beg, end);
                if (pivot > beg)
                {
                    Sort(dataToSort, beg, pivot - 1);
                }

                if (pivot < end)
                {
                    Sort(dataToSort, pivot + 1, end);
                }
            }
        }
Example #7
0
 public void Sort(VectorPOD_RangeAdaptor dataToSort)
 {
     Sort(dataToSort, 0, (uint)(dataToSort.Size() - 1));
 }
Example #8
0
 public void Sort(VectorPOD_RangeAdaptor dataToSort)
 {
     Sort(dataToSort, 0, (uint)(dataToSort.Size() - 1));
 }