public void replacePointMarkersOnLine() {
int width = getWidth();
int height = getHeight();
for (int yi = 0; yi < height; yi++) {
for (int xi = 0; xi < width; xi++) {
char c = get(xi, yi);
Cell cell = new Cell(xi, yi);
if (StringUtils.isOneOf(c, pointMarkers) && isStarOnLine(cell)) {
boolean isOnHorizontalLine = false;
if (StringUtils.isOneOf(get(cell.getEast()), horizontalLines)) isOnHorizontalLine = true;
if (StringUtils.isOneOf(get(cell.getWest()), horizontalLines)) isOnHorizontalLine = true;
boolean isOnVerticalLine = false;
if (StringUtils.isOneOf(get(cell.getNorth()), verticalLines)) isOnVerticalLine = true;
if (StringUtils.isOneOf(get(cell.getSouth()), verticalLines)) isOnVerticalLine = true;
if (isOnHorizontalLine && isOnVerticalLine) {
set(xi, yi, '+');
if (DEBUG) System.out.println("replaced marker on line '" + c + "' with +");
} else if (isOnHorizontalLine) {
set(xi, yi, '-');
if (DEBUG) System.out.println("replaced marker on line '" + c + "' with -");
} else if (isOnVerticalLine) {
set(xi, yi, '|');
if (DEBUG) System.out.println("replaced marker on line '" + c + "' with |");
}
}
}
}
}
public void removeColorCodes() {
for (CellColorPair o : findColorCodes()) {
Cell cell = o.cell;
set(cell, ' ');
cell = cell.getEast();
set(cell, ' ');
cell = cell.getEast();
set(cell, ' ');
cell = cell.getEast();
set(cell, ' ');
}
}
public void replaceBullets() {
int width = getWidth();
int height = getHeight();
for (int yi = 0; yi < height; yi++) {
for (int xi = 0; xi < width; xi++) {
Cell cell = new Cell(xi, yi);
if (isBullet(cell)) {
set(cell, ' ');
set(cell.getEast(), '\u2022');
}
}
}
}
private CellSet seedFillOld(Cell seed, char newChar) {
CellSet cellsFilled = new CellSet();
char oldChar = get(seed);
if (oldChar == newChar) return cellsFilled;
if (isOutOfBounds(seed)) return cellsFilled;
Stack<Cell> stack = new Stack<Cell>();
stack.push(seed);
while (!stack.isEmpty()) {
Cell cell = stack.pop();
set(cell, newChar);
cellsFilled.add(cell);
Cell nCell = cell.getNorth();
Cell sCell = cell.getSouth();
Cell eCell = cell.getEast();
Cell wCell = cell.getWest();
if (get(nCell) == oldChar) stack.push(nCell);
if (get(sCell) == oldChar) stack.push(sCell);
if (get(eCell) == oldChar) stack.push(eCell);
if (get(wCell) == oldChar) stack.push(wCell);
}
return cellsFilled;
}
public void removeArrowheads() {
int width = getWidth();
int height = getHeight();
for (int yi = 0; yi < height; yi++) {
for (int xi = 0; xi < width; xi++) {
Cell cell = new Cell(xi, yi);
if (isArrowhead(cell)) set(cell, ' ');
}
}
}
/**
* Replaces letters or numbers that are on horizontal or vertical lines, with the appropriate
* character that will make the line continuous (| for vertical and - for horizontal lines)
*/
public void replaceTypeOnLine() {
int width = getWidth();
int height = getHeight();
for (int yi = 0; yi < height; yi++) {
for (int xi = 0; xi < width; xi++) {
char c = get(xi, yi);
if (Character.isLetterOrDigit(c)) {
boolean isOnHorizontalLine = isOnHorizontalLine(xi, yi);
boolean isOnVerticalLine = isOnVerticalLine(xi, yi);
if (isOnHorizontalLine && isOnVerticalLine) {
set(xi, yi, '+');
if (DEBUG) System.out.println("replaced type on line '" + c + "' with +");
} else if (isOnHorizontalLine) {
set(xi, yi, '-');
if (DEBUG) System.out.println("replaced type on line '" + c + "' with -");
} else if (isOnVerticalLine) {
set(xi, yi, '|');
if (DEBUG) System.out.println("replaced type on line '" + c + "' with |");
}
}
}
}
}
public void removeBoundaries() {
ArrayList<Cell> toBeRemoved = new ArrayList<Cell>();
int width = getWidth();
int height = getHeight();
for (int yi = 0; yi < height; yi++) {
for (int xi = 0; xi < width; xi++) {
Cell cell = new Cell(xi, yi);
if (isBoundary(cell)) toBeRemoved.add(cell);
}
}
// remove in two stages, because decision of
// isBoundary depends on contants of surrounding
// cells
for (Object aToBeRemoved : toBeRemoved) {
Cell cell = (Cell) aToBeRemoved;
set(cell, ' ');
}
}
/**
* Locates and returns the '*' boundaries that we would encounter if we did a flood-fill at <code>
* seed</code>.
*/
public CellSet findBoundariesExpandingFrom(Cell seed) {
CellSet boundaries = new CellSet();
char oldChar = get(seed);
if (isOutOfBounds(seed)) return boundaries;
char newChar = 1; // TODO: kludge
Stack<Cell> stack = new Stack<Cell>();
stack.push(seed);
while (!stack.isEmpty()) {
Cell cell = stack.pop();
set(cell, newChar);
Cell nCell = cell.getNorth();
Cell sCell = cell.getSouth();
Cell eCell = cell.getEast();
Cell wCell = cell.getWest();
if (get(nCell) == oldChar) stack.push(nCell);
else if (get(nCell) == '*') boundaries.add(nCell);
if (get(sCell) == oldChar) stack.push(sCell);
else if (get(sCell) == '*') boundaries.add(sCell);
if (get(eCell) == oldChar) stack.push(eCell);
else if (get(eCell) == '*') boundaries.add(eCell);
if (get(wCell) == oldChar) stack.push(wCell);
else if (get(wCell) == '*') boundaries.add(wCell);
}
return boundaries;
}
/** Fills all the cells in <code>cells</code> with <code>c</code> */
public void fillCellsWith(Iterable<Cell> cells, char c) {
for (Cell cell : cells) {
set(cell.x, cell.y, c);
}
}
public void copyCellsTo(CellSet cells, TextGrid grid) {
for (Cell cell : cells) {
grid.set(cell, this.get(cell));
}
}
public void set(Cell cell, char c) {
set(cell.x, cell.y, c);
}