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@ -5,523 +5,519 @@
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#include <QDebug>
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namespace libqnono {
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CNonogramSolver::CNonogramSolver(QObject * parent) : QObject(parent),
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m_Nonogram(NULL),
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m_RowsOverlay(NULL),
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m_ColumnsOverlay(NULL),
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m_OverlayData(NULL)
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{
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struct Block {
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int minFirst, maxFirst, length;
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};
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enum Mark { MARK_UNKNOWN = 0, MARK_BLACK, MARK_WHITE };
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struct UndoOp {
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union {
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struct {
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int *ptr, old;
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} data_int;
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struct {
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Mark *ptr, old;
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} data_mark;
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};
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enum { UNDO_INT, UNDO_MARK } type;
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};
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typedef QList<UndoOp> UndoState;
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static void trackInt(UndoState *undo_state, bool &changed, int &ptr, int val) {
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if (val == ptr) return;
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changed = TRUE;
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if (undo_state) {
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UndoOp op;
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op.type = UndoOp::UNDO_INT;
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op.data_int.ptr = &ptr;
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op.data_int.old = ptr;
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undo_state->push_front(op);
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}
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ptr = val;
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}
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CNonogramSolver::~CNonogramSolver() {
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if (m_Nonogram)
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cleanup();
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static void trackMark(UndoState *undo_state, bool &changed, Mark &ptr, Mark val) {
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if (val == ptr) return;
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changed = TRUE;
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if (undo_state) {
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UndoOp op;
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op.type = UndoOp::UNDO_MARK;
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op.data_mark.ptr = &ptr;
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op.data_mark.old = ptr;
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undo_state->push_front(op);
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}
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ptr = val;
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}
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void CNonogramSolver::setNonogram(CNonogram * nonogram) {
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if (m_Nonogram)
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cleanup();
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m_Nonogram = nonogram;
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static void undo(UndoState & undo_state) {
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foreach (const UndoOp &op, undo_state) {
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switch (op.type) {
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case UndoOp::UNDO_INT:
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*op.data_int.ptr = op.data_int.old;
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break;
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case UndoOp::UNDO_MARK:
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*op.data_mark.ptr = op.data_mark.old;
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break;
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}
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}
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undo_state.clear();
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}
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void CNonogramSolver::printOverlays() {
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qDebug("row overlays:");
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QString debugoutput;
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for (int i = 0; i < m_Nonogram->height(); i++) {
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if (i) debugoutput += '\n';
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for (int e = 0; e < m_RowsOverlay[i].numbersSize; e++) {
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debugoutput += ' ' + QString::number(m_RowsOverlay[i].numbers[e].borderLeft)
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+ '-' + QString::number(m_RowsOverlay[i].numbers[e].borderRight - 1);
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if (m_RowsOverlay[i].numbers[e].finished)
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debugoutput += '*';
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debugoutput += ' ';
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struct State {
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int nrows, ncols;
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QVector< QVector<Block> > rows, cols;
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Mark **data;
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State(const CNonogramNumbers & numbers)
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: nrows(numbers.height()), ncols(numbers.width()) {
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data = new Mark*[ncols];
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for (int col = 0; col < ncols; ++col) {
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data[col] = new Mark[nrows];
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for (int row = 0; row < nrows; ++row) {
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data[col][row] = MARK_UNKNOWN;
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}
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}
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rows.resize(nrows);
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cols.resize(ncols);
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for (int row = 0; row < nrows; ++row) {
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foreach (quint16 len, numbers.rows()[row]) {
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Block block = { 0, ncols - len, len };
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rows[row] << block;
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}
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}
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for (int col = 0; col < ncols; ++col) {
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foreach (quint16 len, numbers.columns()[col]) {
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Block block = { 0, nrows - len, len };
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cols[col] << block;
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}
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}
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}
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qDebug(qPrintable(debugoutput));
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debugoutput.clear();
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~State() {
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for (int col = 0; col < ncols; ++col) delete [] data[col];
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delete[] data;
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}
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qDebug("column overlays:");
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for (int i = 0; i < m_Nonogram->width(); i++) {
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if (i) debugoutput += '\n';
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for (int e = 0; e < m_ColumnsOverlay[i].numbersSize; e++) {
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debugoutput += ' ' + QString::number(m_ColumnsOverlay[i].numbers[e].borderLeft)
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+ '-' + QString::number(m_ColumnsOverlay[i].numbers[e].borderRight - 1);
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if (m_ColumnsOverlay[i].numbers[e].finished)
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debugoutput += '*';
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debugoutput += ' ';
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bool markHorizontal(UndoState *undo_state, bool &changed, int row, int from, int to) {
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for (int i = from; i <= to; ++i) {
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if (data[i][row] == MARK_WHITE) return FALSE;
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trackMark(undo_state, changed, data[i][row], MARK_BLACK);
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}
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return TRUE;
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}
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qDebug(qPrintable(debugoutput));
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}
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bool CNonogramSolver::solve() {
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if (!m_Nonogram)
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return false;
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cleanup();
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prepare();
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qDebug("clearing trivial lines ...");
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// nach trivial lösbaren Reihen suchen und diese füllen bzw. abkreuzen
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for (int i = 0; i < m_Nonogram->height(); i++) {
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if (m_RowsOverlay[i].numbersSize == 1) {
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if (m_RowsOverlay[i].numbers[0].entry == 0) {
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fillRow(i, CMT_CROSSED);
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m_RowsOverlay[i].numbers[0].finished = true;
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bool clearHorizontal(UndoState *undo_state, bool &changed, int row, int from, int to) {
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for (int i = from; i <= to; ++i) {
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if (data[i][row] == MARK_BLACK) return FALSE;
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trackMark(undo_state, changed, data[i][row], MARK_WHITE);
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}
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return TRUE;
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}
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bool markHorizontalBlock(UndoState *undo_state, bool &changed, int row, int minFirst, int maxFirst, int length) {
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if (minFirst == maxFirst) {
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if (minFirst > 0) {
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if (data[minFirst-1][row] == MARK_BLACK) return FALSE;
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trackMark(undo_state, changed, data[minFirst-1][row], MARK_WHITE);
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}
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else if (m_RowsOverlay[i].numbers[0].entry == m_Nonogram->height()) {
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fillRow(i, CMT_MARKED);
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m_RowsOverlay[i].numbers[0].finished = true;
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if (minFirst + length < ncols) {
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if (data[minFirst + length][row] == MARK_BLACK) return FALSE;
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trackMark(undo_state, changed, data[minFirst + length][row], MARK_WHITE);
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}
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}
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return markHorizontal(undo_state, changed, row, maxFirst, minFirst+length-1);
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}
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for (int i = 0; i < m_Nonogram->width(); i++) {
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if (m_ColumnsOverlay[i].numbersSize == 1) {
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if (m_ColumnsOverlay[i].numbers[0].entry == 0) {
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fillColumn(i, CMT_CROSSED);
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m_ColumnsOverlay[i].numbers[0].finished = true;
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bool markVertical(UndoState *undo_state, bool &changed, int col, int from, int to) {
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for (int i = from; i <= to; ++i) {
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if (data[col][i] == MARK_WHITE) return FALSE;
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trackMark(undo_state, changed, data[col][i], MARK_BLACK);
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}
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return TRUE;
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}
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bool clearVertical(UndoState *undo_state, bool &changed, int col, int from, int to) {
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for (int i = from; i <= to; ++i) {
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if (data[col][i] == MARK_BLACK) return FALSE;
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trackMark(undo_state, changed, data[col][i], MARK_WHITE);
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}
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return TRUE;
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}
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bool markVerticalBlock(UndoState *undo_state, bool &changed, int col, int minFirst, int maxFirst, int length) {
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if (minFirst == maxFirst) {
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if (minFirst > 0) {
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if (data[col][minFirst-1] == MARK_BLACK) return FALSE;
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trackMark(undo_state, changed, data[col][minFirst-1], MARK_WHITE);
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}
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else if (m_ColumnsOverlay[i].numbers[0].entry == m_Nonogram->width()) {
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fillColumn(i, CMT_MARKED);
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m_ColumnsOverlay[i].numbers[0].finished = true;
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if (minFirst + length < nrows) {
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if (data[col][minFirst + length] == MARK_BLACK) return FALSE;
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trackMark(undo_state, changed, data[col][minFirst + length], MARK_WHITE);
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}
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}
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return markVertical(undo_state, changed, col, maxFirst, minFirst+length-1);
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}
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printOverlays();
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qDebug("processing non-trivial lines...");
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bool changed;
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int iter = 0;
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const int iter_max = 10;
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do {
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changed = false;
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for (int l = 0; l < m_Nonogram->height(); l++)
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if (solveLine_ng(l, true))
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changed = true;
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for (int i = 0; i < m_Nonogram->width(); i++)
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if (solveLine_ng(i, false))
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changed = true;
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iter++;
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} while (changed && iter < iter_max);
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// qDebug("needed %i iterations", iter);
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printOverlays();
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return false;
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}
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bool CNonogramSolver::solveLine_ng(int index, bool isRow) {
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LineOverlay * overlay = isRow ? &(m_RowsOverlay[index]) : &(m_ColumnsOverlay[index]);
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int rightMax = isRow ? m_Nonogram->width() : m_Nonogram->height();
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NumberOverlay * number;
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bool result = false;
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for (int i = 0; i < overlay->numbersSize; i++) {
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number = &(overlay->numbers[i]);
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if (number->finished)
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continue;
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/*
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* |-start- null
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*
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* null -marked-> markierung
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* null -crossed-> kreuze
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* null -unmarked-> keine
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*
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* kreuze -marked-> markierung
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* kreuze -crossed-> kreuze
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* kreuze -unmarked-> keine
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*
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* keine -marked-> markierung
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* keine -crossed-> kreuzstop
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* keine -unmarked-> keine
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*
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* markierung -marked-> markierung
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* markierung -crossed-> kreuzstop
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* markierung -unmarked-> keine
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*
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* kreuzstop -stop-|
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* fertig -stop-|
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*
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* null : keine aktion
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* fertig : rechten rand stzen, als fertig markieren und stop
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* kreuze : linken rand anpassen
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* keine : keine aktion
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*
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* markierung : rechten rand anpassen
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* kreuzstop : rechten rand setzen und stop
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*
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*/
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{
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enum{ST_NULL = 0, ST_NONE = 1, ST_CROSSES = 2, ST_MARK = 3, ST_FINISHED = 4, ST_CROSS_STOP = 5} state = ST_NULL;
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int f = number->borderLeft;
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MarkerType marker;
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while (f < number->borderRight && state < ST_FINISHED) {
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marker = static_cast<MarkerType>(m_OverlayData[isRow ? f : index][isRow ? index : f]);
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switch (state) {
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case ST_NULL:
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case ST_CROSSES:
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switch (marker) {
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case CMT_MARKED: state = ST_MARK; break;
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case CMT_CROSSED: state = ST_CROSSES; break;
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case CMT_UNMARKED: state = ST_NONE; break;
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default: break;
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bool updateRows(UndoState *undo_state, bool &changed) {
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for (int i = 0; i < nrows; ++i) {
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QVector<Block> &line(rows[i]);
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int lineLen = line.count();
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if (0 == lineLen) {
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if (!clearHorizontal(undo_state, changed, i, 0, ncols-1)) return FALSE;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// first block
|
|
|
|
|
{
|
|
|
|
|
int cell = line[0].minFirst;
|
|
|
|
|
// there must be "length" adjacent non white cells
|
|
|
|
|
for (int cell1 = cell, end = cell + line[0].length; cell <= line[0].maxFirst && cell1 < end; ++cell1) {
|
|
|
|
|
if (MARK_WHITE == data[cell1][i]) {
|
|
|
|
|
cell = cell1 + 1;
|
|
|
|
|
end = cell + line[0].length;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case ST_NONE:
|
|
|
|
|
case ST_MARK:
|
|
|
|
|
switch (marker) {
|
|
|
|
|
case CMT_MARKED: state = ST_MARK; break;
|
|
|
|
|
case CMT_CROSSED: state = ST_CROSS_STOP; break;
|
|
|
|
|
case CMT_UNMARKED: state = ST_NONE; break;
|
|
|
|
|
default: break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (cell > line[0].minFirst) {
|
|
|
|
|
if (cell > line[0].maxFirst) return FALSE; // no solution impossible
|
|
|
|
|
trackInt(undo_state, changed, line[0].minFirst, cell);
|
|
|
|
|
}
|
|
|
|
|
// the first black can't be before the first block
|
|
|
|
|
while (cell < line[0].maxFirst && data[cell][i] != MARK_BLACK) ++cell;
|
|
|
|
|
if (cell < line[0].maxFirst) {
|
|
|
|
|
trackInt(undo_state, changed, line[0].maxFirst, cell);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// last block
|
|
|
|
|
{
|
|
|
|
|
int len = line.last().length;
|
|
|
|
|
int cell = line.last().maxFirst;
|
|
|
|
|
// there must be "length" adjacent non white cells
|
|
|
|
|
for (int cell1 = cell + len - 1; cell >= line.last().minFirst && cell1 >= cell; --cell1) {
|
|
|
|
|
if (MARK_WHITE == data[cell1][i]) {
|
|
|
|
|
cell = cell1 - len;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case ST_FINISHED:
|
|
|
|
|
case ST_CROSS_STOP:
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
switch (state) {
|
|
|
|
|
case ST_NONE:
|
|
|
|
|
case ST_NULL:
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
case ST_CROSSES:
|
|
|
|
|
number->borderLeft = f + 1;
|
|
|
|
|
break;
|
|
|
|
|
case ST_MARK:
|
|
|
|
|
if ((f < overlay->borderLeftDef(i + i, rightMax)) &&
|
|
|
|
|
(overlay->borderRightDef(i - 1, 0) < f) &&
|
|
|
|
|
(f + number->entry < number->borderRight))
|
|
|
|
|
number->borderRight = f + number->entry;
|
|
|
|
|
break;
|
|
|
|
|
case ST_FINISHED:
|
|
|
|
|
number->finished = true;
|
|
|
|
|
number->borderRight = f + number->entry;
|
|
|
|
|
if (i + 1 < overlay->numbersSize && overlay->numbers[i+1].borderLeft < number->borderRight + 1)
|
|
|
|
|
overlay->numbers[i+1].borderLeft = number->borderRight + 1;
|
|
|
|
|
break;
|
|
|
|
|
case ST_CROSS_STOP:
|
|
|
|
|
number->borderRight = f;
|
|
|
|
|
if (i + 1 < overlay->numbersSize && overlay->numbers[i+1].borderLeft < number->borderRight + 1)
|
|
|
|
|
overlay->numbers[i+1].borderLeft = number->borderRight + 1;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
if (cell < line.last().maxFirst) {
|
|
|
|
|
if (cell < line.last().minFirst) return FALSE; // no solution impossible
|
|
|
|
|
trackInt(undo_state, changed, line.last().maxFirst, cell);
|
|
|
|
|
}
|
|
|
|
|
// the last black can't be after the last block
|
|
|
|
|
while (cell > line.last().minFirst && data[cell+len-1][i] != MARK_BLACK) --cell;
|
|
|
|
|
if (cell > line.last().minFirst) {
|
|
|
|
|
trackInt(undo_state, changed, line.last().minFirst, cell);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* check relative block offsets (min distance 1) */
|
|
|
|
|
for (int j = 1, k = lineLen - 1; j < lineLen; ++j, --k) {
|
|
|
|
|
{
|
|
|
|
|
int minFirst = qMax(line[j].minFirst, 1 + line[j-1].minFirst + line[j-1].length);
|
|
|
|
|
// the cell before first can't be black
|
|
|
|
|
while (minFirst <= line[j].maxFirst && MARK_BLACK == data[minFirst-1][i]) ++minFirst;
|
|
|
|
|
// there must be "length" adjacent non white cells
|
|
|
|
|
for (int cell = minFirst, end = minFirst + line[j].length; minFirst <= line[j].maxFirst && cell < end; ++cell) {
|
|
|
|
|
if (MARK_WHITE == data[cell][i]) {
|
|
|
|
|
minFirst = cell + 1;
|
|
|
|
|
end = minFirst + line[j].length;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (minFirst >= line[j-1].maxFirst + line[j-1].length) {
|
|
|
|
|
int cell = minFirst;
|
|
|
|
|
// next black cell can't be before this block
|
|
|
|
|
while (cell < line[j].maxFirst && data[cell][i] != MARK_BLACK) ++cell;
|
|
|
|
|
if (cell < line[j].maxFirst) {
|
|
|
|
|
trackInt(undo_state, changed, line[j].maxFirst, cell);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (minFirst > line[j].minFirst) {
|
|
|
|
|
if (minFirst > line[j].maxFirst) return FALSE; // no solution impossible
|
|
|
|
|
trackInt(undo_state, changed, line[j].minFirst, minFirst);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
f++;
|
|
|
|
|
{
|
|
|
|
|
int len = line[k-1].length;
|
|
|
|
|
int maxFirst = qMin(line[k-1].maxFirst, line[k].maxFirst - len - 1);
|
|
|
|
|
// the cell after last can't be black
|
|
|
|
|
while (maxFirst >= line[k-1].minFirst && MARK_BLACK == data[maxFirst + len][i]) --maxFirst;
|
|
|
|
|
// there must be "length" adjacent non white cells
|
|
|
|
|
for (int cell = maxFirst + len - 1; maxFirst >= line[k-1].minFirst && cell >= maxFirst; --cell) {
|
|
|
|
|
if (MARK_WHITE == data[cell][i]) {
|
|
|
|
|
maxFirst = cell - len;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (maxFirst + len <= line[k].minFirst) {
|
|
|
|
|
int cell = maxFirst;
|
|
|
|
|
// next black cell before maxFirst+len can't be after this block
|
|
|
|
|
while (cell > line[k-1].minFirst && data[cell+len-1][i] != MARK_BLACK) --cell;
|
|
|
|
|
if (cell > line[k-1].minFirst) {
|
|
|
|
|
trackInt(undo_state, changed, line[k-1].minFirst, cell);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (maxFirst < line[k-1].maxFirst) {
|
|
|
|
|
if (maxFirst < line[k-1].minFirst) return FALSE; // no solution impossible
|
|
|
|
|
trackInt(undo_state, changed, line[k-1].maxFirst, maxFirst);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
sicher markierbare Steine
|
|
|
|
|
r - l < 2m - 1
|
|
|
|
|
0 < l + m - r + m - 1
|
|
|
|
|
0 < (l + m - 1) - (r - m)
|
|
|
|
|
*/
|
|
|
|
|
for (int k = number->borderRight - number->entry; k < number->borderLeft + number->entry; k++)
|
|
|
|
|
mark(isRow ? k : index, isRow ? index : k, CMT_MARKED);
|
|
|
|
|
|
|
|
|
|
if (!number->finished && number->borderRight - number->borderLeft == number->entry)
|
|
|
|
|
number->finished = true;
|
|
|
|
|
|
|
|
|
|
for (int g = overlay->borderRightDef(i - 1, 0); g < number->borderLeft; g++)
|
|
|
|
|
mark(isRow ? g : index, isRow ? index : g, CMT_CROSSED);
|
|
|
|
|
|
|
|
|
|
for (int g = number->borderRight; g < overlay->borderLeftDef(i + 1, rightMax); g++)
|
|
|
|
|
mark(isRow ? g : index, isRow ? index : g, CMT_CROSSED);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
result = result || overlay->dirty;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CNonogramSolver::cleanup() {
|
|
|
|
|
if (m_OverlayData) {
|
|
|
|
|
for (int i = 0; i < m_Nonogram->width(); i++)
|
|
|
|
|
delete[] m_OverlayData[i];
|
|
|
|
|
delete[] m_OverlayData;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (m_RowsOverlay)
|
|
|
|
|
delete[] m_RowsOverlay;
|
|
|
|
|
|
|
|
|
|
if (m_ColumnsOverlay)
|
|
|
|
|
delete[] m_ColumnsOverlay;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
inline void CNonogramSolver::mark(int x, int y, int marker) {
|
|
|
|
|
if ((x < 0) || (y < 0) || (x > m_Nonogram->width() - 1) || (y > m_Nonogram->height() - 1) || m_OverlayData[x][y] == marker)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
emit markRequested(x, y, marker);
|
|
|
|
|
m_OverlayData[x][y] = marker;
|
|
|
|
|
|
|
|
|
|
m_RowsOverlay[y].dirty = true;
|
|
|
|
|
m_ColumnsOverlay[x].dirty = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
inline void CNonogramSolver::fillRow(int index, int marker) {
|
|
|
|
|
for (int i = 0; i < m_Nonogram->width(); i++)
|
|
|
|
|
mark(i, index, marker);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
inline void CNonogramSolver::fillColumn(int index, int marker) {
|
|
|
|
|
for (int i = 0; i < m_Nonogram->height(); i++)
|
|
|
|
|
mark(index, i, marker);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CNonogramSolver::prepare() {
|
|
|
|
|
m_OverlayData = new int *[m_Nonogram->width()];
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < m_Nonogram->width(); i++) {
|
|
|
|
|
m_OverlayData[i] = new int[m_Nonogram->height()];
|
|
|
|
|
for (int j = 0; j < m_Nonogram->height(); j++)
|
|
|
|
|
m_OverlayData[i][j] = static_cast<int>(CMT_UNMARKED);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int leftSum, rightSum, numSize;
|
|
|
|
|
|
|
|
|
|
m_RowsOverlay = new LineOverlay [m_Nonogram->height()];
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < m_Nonogram->height(); i++) {
|
|
|
|
|
m_RowsOverlay[i].numbersSize = m_Nonogram->rowNumbers(i).size();
|
|
|
|
|
m_RowsOverlay[i].numbers = new NumberOverlay [m_RowsOverlay[i].numbersSize];
|
|
|
|
|
|
|
|
|
|
numSize = m_Nonogram->rowNumbers(i).size();
|
|
|
|
|
|
|
|
|
|
leftSum = 0;
|
|
|
|
|
for (int j = 0; j < numSize; j++) {
|
|
|
|
|
m_RowsOverlay[i].numbers[j].entry = m_Nonogram->rowNumbers(i).at(j);
|
|
|
|
|
m_RowsOverlay[i].numbers[j].finished = false;
|
|
|
|
|
m_RowsOverlay[i].numbers[j].borderRight = m_Nonogram->width();
|
|
|
|
|
|
|
|
|
|
m_RowsOverlay[i].numbers[j].borderLeft = leftSum + j;
|
|
|
|
|
leftSum += m_RowsOverlay[i].numbers[j].entry;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
rightSum = 0;
|
|
|
|
|
for (int j = numSize - 1; j > -1; j--) {
|
|
|
|
|
m_RowsOverlay[i].numbers[j].borderRight -= rightSum;
|
|
|
|
|
rightSum += m_RowsOverlay[i].numbers[j].entry + 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
m_ColumnsOverlay = new LineOverlay [m_Nonogram->width()];
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < m_Nonogram->width(); i++) {
|
|
|
|
|
m_ColumnsOverlay[i].numbersSize = m_Nonogram->columnNumbers(i).size();
|
|
|
|
|
m_ColumnsOverlay[i].numbers = new NumberOverlay [m_ColumnsOverlay[i].numbersSize];
|
|
|
|
|
|
|
|
|
|
numSize = m_Nonogram->columnNumbers(i).size();
|
|
|
|
|
|
|
|
|
|
leftSum = 0;
|
|
|
|
|
for (int j = 0; j < numSize; j++) {
|
|
|
|
|
m_ColumnsOverlay[i].numbers[j].borderRight = m_Nonogram->height();
|
|
|
|
|
m_ColumnsOverlay[i].numbers[j].finished = false;
|
|
|
|
|
m_ColumnsOverlay[i].numbers[j].entry = m_Nonogram->columnNumbers(i).at(j);
|
|
|
|
|
if (!clearHorizontal(undo_state, changed, i, 0, line[0].minFirst-1)) return FALSE;
|
|
|
|
|
for (int j = 0; j < lineLen; ++j) {
|
|
|
|
|
if (j > 0 && !clearHorizontal(undo_state, changed, i, line[j-1].maxFirst + line[j-1].length, line[j].minFirst-1)) return FALSE;
|
|
|
|
|
if (!markHorizontalBlock(undo_state, changed, i, line[j].minFirst, line[j].maxFirst, line[j].length)) return FALSE;
|
|
|
|
|
}
|
|
|
|
|
if (!clearHorizontal(undo_state, changed, i, line.last().maxFirst + line.last().length, ncols-1)) return FALSE;
|
|
|
|
|
|
|
|
|
|
m_ColumnsOverlay[i].numbers[j].borderLeft = leftSum + j;
|
|
|
|
|
leftSum += m_ColumnsOverlay[i].numbers[j].entry;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
rightSum = 0;
|
|
|
|
|
for (int j = numSize - 1; j > -1; j--) {
|
|
|
|
|
m_ColumnsOverlay[i].numbers[j].borderRight -= rightSum;
|
|
|
|
|
rightSum += m_ColumnsOverlay[i].numbers[j].entry + 1;
|
|
|
|
|
}
|
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
inline bool CNonogramSolver::solveLine(int index, bool isRow) {
|
|
|
|
|
LineOverlay * overlay = isRow ? &(m_RowsOverlay[index]) : &(m_ColumnsOverlay[index]);
|
|
|
|
|
|
|
|
|
|
bool result = false;
|
|
|
|
|
|
|
|
|
|
QString dbgOut;
|
|
|
|
|
QTextStream dbg(&dbgOut);
|
|
|
|
|
|
|
|
|
|
dbg << "overlay ";
|
|
|
|
|
if (isRow)
|
|
|
|
|
dbg << "row ";
|
|
|
|
|
else
|
|
|
|
|
dbg << "col ";
|
|
|
|
|
|
|
|
|
|
dbg << index << ": ";
|
|
|
|
|
|
|
|
|
|
int length = 0;
|
|
|
|
|
int offset = 0;
|
|
|
|
|
for (int i = 0; i < overlay->numbersSize; i++) {
|
|
|
|
|
if (overlay->numbers[i].finished) {
|
|
|
|
|
dbg << "(fin)";
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
dbg << '(' << overlay->numbers[i].borderLeft << ", " << overlay->numbers[i].borderRight << "; ";
|
|
|
|
|
|
|
|
|
|
length = safeLength(&(overlay->numbers[i]));
|
|
|
|
|
offset = overlay->numbers[i].entry - length + overlay->numbers[i].borderLeft;
|
|
|
|
|
|
|
|
|
|
dbg << length << ", " << offset << ") ";
|
|
|
|
|
|
|
|
|
|
if (length > 0) {
|
|
|
|
|
if (isRow) {
|
|
|
|
|
for (int j = 0; j < length; j++)
|
|
|
|
|
mark(offset + j, index, CMT_MARKED);
|
|
|
|
|
bool updateCols(UndoState *undo_state, bool &changed) {
|
|
|
|
|
for (int i = 0; i < ncols; ++i) {
|
|
|
|
|
QVector<Block> &line(cols[i]);
|
|
|
|
|
int lineLen = line.count();
|
|
|
|
|
|
|
|
|
|
if (0 == lineLen) {
|
|
|
|
|
if (!clearVertical(undo_state, changed, i, 0, nrows-1)) return FALSE;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
for (int j = 0; j < length; j++)
|
|
|
|
|
mark(index, offset + j, CMT_MARKED);
|
|
|
|
|
|
|
|
|
|
// first block
|
|
|
|
|
{
|
|
|
|
|
int cell = line[0].minFirst;
|
|
|
|
|
// there must be "length" adjacent non white cells
|
|
|
|
|
for (int cell1 = cell, end = cell + line[0].length; cell <= line[0].maxFirst && cell1 < end; ++cell1) {
|
|
|
|
|
if (MARK_WHITE == data[i][cell1]) {
|
|
|
|
|
cell = cell1 + 1;
|
|
|
|
|
end = cell + line[0].length;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (cell > line[0].minFirst) {
|
|
|
|
|
if (cell > line[0].maxFirst) return FALSE; // no solution impossible
|
|
|
|
|
trackInt(undo_state, changed, line[0].minFirst, cell);
|
|
|
|
|
}
|
|
|
|
|
// the first black can't be before the first block
|
|
|
|
|
while (cell < line[0].maxFirst && data[i][cell] != MARK_BLACK) ++cell;
|
|
|
|
|
if (cell < line[0].maxFirst) {
|
|
|
|
|
trackInt(undo_state, changed, line[0].maxFirst, cell);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (length == overlay->numbers[i].entry) {
|
|
|
|
|
if (isRow) {
|
|
|
|
|
mark(overlay->numbers[i].borderLeft - 1, index, CMT_CROSSED);
|
|
|
|
|
mark(overlay->numbers[i].borderRight, index, CMT_CROSSED);
|
|
|
|
|
// last block
|
|
|
|
|
{
|
|
|
|
|
int len = line.last().length;
|
|
|
|
|
int cell = line.last().maxFirst;
|
|
|
|
|
// there must be "length" adjacent non white cells
|
|
|
|
|
for (int cell1 = cell + len - 1; cell >= line.last().minFirst && cell1 >= cell; --cell1) {
|
|
|
|
|
if (MARK_WHITE == data[i][cell1]) {
|
|
|
|
|
cell = cell1 - len;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
mark(index, overlay->numbers[i].borderLeft - 1, CMT_CROSSED);
|
|
|
|
|
mark(index, overlay->numbers[i].borderRight, CMT_CROSSED);
|
|
|
|
|
|
|
|
|
|
if (cell < line.last().maxFirst) {
|
|
|
|
|
if (cell < line.last().minFirst) return FALSE; // no solution impossible
|
|
|
|
|
trackInt(undo_state, changed, line.last().maxFirst, cell);
|
|
|
|
|
}
|
|
|
|
|
// the last black can't be after the last block
|
|
|
|
|
while (cell > line.last().minFirst && data[i][cell+len-1] != MARK_BLACK) --cell;
|
|
|
|
|
if (cell > line.last().minFirst) {
|
|
|
|
|
trackInt(undo_state, changed, line.last().minFirst, cell);
|
|
|
|
|
}
|
|
|
|
|
overlay->numbers[i].finished = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
result = true;
|
|
|
|
|
/* check relative block offsets (min distance 1) */
|
|
|
|
|
for (int j = 1, k = lineLen - 1; j < lineLen; ++j, --k) {
|
|
|
|
|
{
|
|
|
|
|
int minFirst = qMax(line[j].minFirst, 1 + line[j-1].minFirst + line[j-1].length);
|
|
|
|
|
// the cell before first can't be black
|
|
|
|
|
while (minFirst <= line[j].maxFirst && MARK_BLACK == data[i][minFirst-1]) ++minFirst;
|
|
|
|
|
// there must be "length" adjacent non white cells
|
|
|
|
|
for (int cell = minFirst, end = minFirst + line[j].length; minFirst <= line[j].maxFirst && cell < end; ++cell) {
|
|
|
|
|
if (MARK_WHITE == data[i][cell]) {
|
|
|
|
|
minFirst = cell + 1;
|
|
|
|
|
end = minFirst + line[j].length;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (minFirst >= line[j-1].maxFirst + line[j-1].length) {
|
|
|
|
|
int cell = minFirst;
|
|
|
|
|
// next black cell can't be before this block
|
|
|
|
|
while (cell < line[j].maxFirst && data[i][cell] != MARK_BLACK) ++cell;
|
|
|
|
|
if (cell < line[j].maxFirst) {
|
|
|
|
|
trackInt(undo_state, changed, line[j].maxFirst, cell);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (minFirst > line[j].minFirst) {
|
|
|
|
|
if (minFirst > line[j].maxFirst) return FALSE; // no solution impossible
|
|
|
|
|
trackInt(undo_state, changed, line[j].minFirst, minFirst);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
int len = line[k-1].length;
|
|
|
|
|
int maxFirst = qMin(line[k-1].maxFirst, line[k].maxFirst - len - 1);
|
|
|
|
|
// the cell after last can't be black
|
|
|
|
|
while (maxFirst >= line[k-1].minFirst && MARK_BLACK == data[i][maxFirst + len]) --maxFirst;
|
|
|
|
|
// there must be "length" adjacent non white cells
|
|
|
|
|
for (int cell = maxFirst + len - 1; maxFirst >= line[k-1].minFirst && cell >= maxFirst; --cell) {
|
|
|
|
|
if (MARK_WHITE == data[i][cell]) {
|
|
|
|
|
maxFirst = cell - len;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (maxFirst + len <= line[k].minFirst) {
|
|
|
|
|
int cell = maxFirst;
|
|
|
|
|
// next black cell before maxFirst+len can't be after this block
|
|
|
|
|
while (cell > line[k-1].minFirst && data[i][cell+len-1] != MARK_BLACK) --cell;
|
|
|
|
|
if (cell > line[k-1].minFirst) {
|
|
|
|
|
trackInt(undo_state, changed, line[k-1].minFirst, cell);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (maxFirst < line[k-1].maxFirst) {
|
|
|
|
|
if (maxFirst < line[k-1].minFirst) return FALSE; // no solution impossible
|
|
|
|
|
trackInt(undo_state, changed, line[k-1].maxFirst, maxFirst);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!clearVertical(undo_state, changed, i, 0, line[0].minFirst-1)) return FALSE;
|
|
|
|
|
for (int j = 0; j < lineLen; ++j) {
|
|
|
|
|
if (j > 0 && !clearVertical(undo_state, changed, i, line[j-1].maxFirst + line[j-1].length, line[j].minFirst-1)) return FALSE;
|
|
|
|
|
if (!markVerticalBlock(undo_state, changed, i, line[j].minFirst, line[j].maxFirst, line[j].length)) return FALSE;
|
|
|
|
|
}
|
|
|
|
|
if (!clearVertical(undo_state, changed, i, line.last().maxFirst + line.last().length, nrows-1)) return FALSE;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
qDebug() << dbgOut;
|
|
|
|
|
|
|
|
|
|
if (fillGaps(index, isRow))
|
|
|
|
|
return true;
|
|
|
|
|
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
inline bool CNonogramSolver::fillGaps(int index, bool isRow) {
|
|
|
|
|
LineOverlay * overlay = isRow ? &(m_RowsOverlay[index]) : &(m_ColumnsOverlay[index]);
|
|
|
|
|
|
|
|
|
|
bool result = false;
|
|
|
|
|
CNonogramSolution* solution() {
|
|
|
|
|
bool **data = new bool*[ncols];
|
|
|
|
|
for (int i = 0; i < ncols; ++i) {
|
|
|
|
|
data[i] = new bool[nrows];
|
|
|
|
|
for (int j = 0; j < nrows; ++j) {
|
|
|
|
|
data[i][j] = (this->data[i][j] == MARK_BLACK);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return new CNonogramSolution(QSize(ncols, nrows), data);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (isRow) {
|
|
|
|
|
for (int i = 0; i < overlay->numbersSize + 1; i++) {
|
|
|
|
|
for (int j = overlay->borderRightDef(i - 1, 0); j < overlay->borderLeftDef(i, m_Nonogram->width()); j++) {
|
|
|
|
|
if (m_OverlayData[j][index] == 0) {
|
|
|
|
|
mark(j, index, CMT_CROSSED);
|
|
|
|
|
result = true;
|
|
|
|
|
void debugState() {
|
|
|
|
|
for (int j = 0; j < nrows; ++j) {
|
|
|
|
|
QDebug dbg = qDebug();
|
|
|
|
|
for (int i = 0; i < ncols; ++i) {
|
|
|
|
|
switch (data[i][j]) {
|
|
|
|
|
case MARK_UNKNOWN:
|
|
|
|
|
dbg << "?"; break;
|
|
|
|
|
case MARK_BLACK:
|
|
|
|
|
dbg << "M"; break;
|
|
|
|
|
case MARK_WHITE:
|
|
|
|
|
dbg << " "; break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
qDebug() << "Row blocks:";
|
|
|
|
|
for (int j = 0; j < nrows; ++j) {
|
|
|
|
|
QDebug dbg = qDebug() << j << ":";
|
|
|
|
|
foreach (Block block, rows[j]) {
|
|
|
|
|
dbg << "[" << block.minFirst << block.maxFirst << block.length << "]";
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
qDebug() << "Col blocks:";
|
|
|
|
|
for (int j = 0; j < ncols; ++j) {
|
|
|
|
|
QDebug dbg = qDebug() << j << ":";
|
|
|
|
|
foreach (Block block, cols[j]) {
|
|
|
|
|
dbg << "[" << block.minFirst << block.maxFirst << block.length << "]";
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
for (int i = 0; i < overlay->numbersSize + 1; i++) {
|
|
|
|
|
for (int j = overlay->borderRightDef(i - 1, 0); j < overlay->borderLeftDef(i, m_Nonogram->height()); j++) {
|
|
|
|
|
if (m_OverlayData[index][j] == 0) {
|
|
|
|
|
mark(index, j, CMT_CROSSED);
|
|
|
|
|
result = true;
|
|
|
|
|
|
|
|
|
|
void solve(QList<CNonogramSolution*> &solutions, UndoState *undo_state = 0) {
|
|
|
|
|
bool changed = TRUE;
|
|
|
|
|
while (changed) {
|
|
|
|
|
changed = FALSE;
|
|
|
|
|
if (!updateRows(undo_state, changed)) return;
|
|
|
|
|
if (!updateCols(undo_state, changed)) return;
|
|
|
|
|
}
|
|
|
|
|
if (!undo_state) {
|
|
|
|
|
qDebug() << "State after first run:";
|
|
|
|
|
debugState();
|
|
|
|
|
}
|
|
|
|
|
for (int i = 0; i < ncols; ++i) {
|
|
|
|
|
for (int j = 0; j < nrows; ++j) {
|
|
|
|
|
if (data[i][j] == MARK_UNKNOWN) {
|
|
|
|
|
UndoState subundo;
|
|
|
|
|
|
|
|
|
|
trackMark(&subundo, changed, data[i][j], MARK_BLACK);
|
|
|
|
|
solve(solutions, &subundo);
|
|
|
|
|
undo(subundo);
|
|
|
|
|
|
|
|
|
|
trackMark(&subundo, changed, data[i][j], MARK_WHITE);
|
|
|
|
|
solve(solutions, &subundo);
|
|
|
|
|
undo(subundo);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
qDebug() << "Found solution:";
|
|
|
|
|
debugState();
|
|
|
|
|
|
|
|
|
|
solutions << solution();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
QList<CNonogramSolution*> solve(const CNonogramNumbers & numbers) {
|
|
|
|
|
QList<CNonogramSolution*> solutions;
|
|
|
|
|
State solveState(numbers);
|
|
|
|
|
solveState.solve(solutions);
|
|
|
|
|
|
|
|
|
|
foreach(CNonogramSolution* solution, solutions) {
|
|
|
|
|
Q_ASSERT(numbers.check(solution->data()));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return result;
|
|
|
|
|
return solutions;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
inline void gtSet(int & target, int value) {
|
|
|
|
|
if (target > value)
|
|
|
|
|
target = value;
|
|
|
|
|
|
|
|
|
|
CNonogramSolver::CNonogramSolver(QObject * parent) : QObject(parent),
|
|
|
|
|
m_Nonogram(NULL)
|
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
inline void ltSet(int & target, int value) {
|
|
|
|
|
if (target < value)
|
|
|
|
|
target = value;
|
|
|
|
|
CNonogramSolver::~CNonogramSolver() {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
inline void CNonogramSolver::prepareBorders(LineOverlay * overlay) {
|
|
|
|
|
for (int i = 1; i < overlay->numbersSize; i++)
|
|
|
|
|
ltSet(overlay->numbers[i].borderLeft, overlay->numbers[i - 1].borderLeft + overlay->numbers[i - 1].entry + 1);
|
|
|
|
|
|
|
|
|
|
for (int i = overlay->numbersSize - 1; i > 0; i--)
|
|
|
|
|
gtSet(overlay->numbers[i - 1].borderRight, overlay->numbers[i].borderRight - overlay->numbers[i].entry - 1);
|
|
|
|
|
void CNonogramSolver::setNonogram(CNonogram * nonogram) {
|
|
|
|
|
m_Nonogram = nonogram;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
inline void CNonogramSolver::updateBorders(int index, bool isRow) {
|
|
|
|
|
LineOverlay * overlay = isRow ? &(m_RowsOverlay[index]) : &(m_ColumnsOverlay[index]);
|
|
|
|
|
|
|
|
|
|
if (!overlay->dirty)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
int marker = 0;
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < overlay->numbersSize; i++) {
|
|
|
|
|
if (overlay->numbers[i].finished)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
int j = overlay->numbers[i].borderLeft;
|
|
|
|
|
// int markedCount = 0;
|
|
|
|
|
while (j < overlay->numbers[i].borderRight) {
|
|
|
|
|
marker = (isRow ? m_OverlayData[j][index] : m_OverlayData[index][j]);
|
|
|
|
|
switch (marker) {
|
|
|
|
|
case CMT_CROSSED:
|
|
|
|
|
if (overlay->numbers[i].borderLeft == j)
|
|
|
|
|
overlay->numbers[i].borderLeft = j+1;
|
|
|
|
|
else {
|
|
|
|
|
if (j - overlay->numbers[i].borderLeft + 1 < j + overlay->numbers[i].entry)
|
|
|
|
|
overlay->numbers[i].borderLeft = j+1;
|
|
|
|
|
else
|
|
|
|
|
overlay->numbers[i].borderRight = j;
|
|
|
|
|
if (i < overlay->numbersSize-1)
|
|
|
|
|
ltSet(overlay->numbers[i + 1].borderLeft, j);
|
|
|
|
|
bool CNonogramSolver::solve() {
|
|
|
|
|
if (!m_Nonogram) return false;
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
QList<CNonogramSolution*> solutions = libqnono::solve(CNonogramNumbers(*m_Nonogram));
|
|
|
|
|
if (!solutions.empty()) {
|
|
|
|
|
bool **data = solutions.first()->data();
|
|
|
|
|
for (int i = 0; i < m_Nonogram->width(); ++i) {
|
|
|
|
|
for (int j = 0; j < m_Nonogram->height(); ++j) {
|
|
|
|
|
emit markRequested(i, j, data[i][j] ? CMT_MARKED : CMT_CROSSED);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case CMT_MARKED:
|
|
|
|
|
gtSet(overlay->numbers[i].borderRight, j + overlay->numbers[i].entry);
|
|
|
|
|
/* if (markedCount != -1)
|
|
|
|
|
markedCount++;*/
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
/* if (markedCount > 0) {
|
|
|
|
|
markedCount = -1;
|
|
|
|
|
ltSet(overlay->numbers[i].borderLeft, j - overlay->numbers[i].entry + 1);
|
|
|
|
|
}*/
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
j++;
|
|
|
|
|
|
|
|
|
|
foreach (CNonogramSolution *s, solutions) delete s;
|
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
overlay->dirty = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void CNonogramSolver::updateBorders() {
|
|
|
|
|
for (int i = 0; i < m_Nonogram->height(); i++)
|
|
|
|
|
updateBorders(i, true);
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < m_Nonogram->width(); i++)
|
|
|
|
|
updateBorders(i, false);
|
|
|
|
|
return FALSE;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|