void CheckDiagonal1(Graphics canvas) {
// Check diagonal 1
for (int nRow = NUMROWS - 1; nRow >= 0; nRow--) {
int nCol = 0;
int nThisRow = nRow;
int nThisCol = nCol;
int nColCount = 0;
while (nThisCol < NUMCOLS && nThisRow < NUMROWS) {
if (m_nBoard[nThisRow][nThisCol] != 0) {
nColCount++;
}
nThisCol++;
nThisRow++;
}
if (nColCount > 1) {
canvas.drawLine(
BOARDLEFT + nCol * SQUAREWIDTH + (SQUAREWIDTH / 2),
BOARDTOP + nRow * SQUAREHEIGHT + (SQUAREHEIGHT / 2),
BOARDLEFT + (nThisCol - 1) * SQUAREWIDTH + (SQUAREWIDTH / 2),
BOARDTOP + (nThisRow - 1) * SQUAREHEIGHT + (SQUAREHEIGHT / 2));
m_bClash = true;
}
}
for (int nCol = 1; nCol < NUMCOLS; nCol++) {
int nRow = 0;
int nThisRow = nRow;
int nThisCol = nCol;
int nColCount = 0;
while (nThisCol < NUMCOLS && nThisRow < NUMROWS) {
if (m_nBoard[nThisRow][nThisCol] != 0) {
nColCount++;
}
nThisCol++;
nThisRow++;
}
if (nColCount > 1) {
canvas.drawLine(
BOARDLEFT + nCol * SQUAREWIDTH + (SQUAREWIDTH / 2),
BOARDTOP + nRow * SQUAREHEIGHT + (SQUAREHEIGHT / 2),
BOARDLEFT + (nThisCol - 1) * SQUAREWIDTH + (SQUAREWIDTH / 2),
BOARDTOP + (nThisRow - 1) * SQUAREHEIGHT + (SQUAREHEIGHT / 2));
m_bClash = true;
}
}
}
public void paint(Graphics canvas) {
m_bClash = false;
DrawSquares(canvas);
canvas.setColor(Color.RED);
CheckColumns(canvas);
CheckRows(canvas);
CheckDiagonal1(canvas);
CheckDiagonal2(canvas);
canvas.setColor(Color.BLUE);
canvas.drawString(m_strStatus, BOARDLEFT, BOARDTOP + SQUAREHEIGHT * 8 + 20);
}
void DrawSquares(Graphics canvas) {
canvas.setColor(Color.BLACK);
for (int nRow = 0; nRow < NUMROWS; nRow++) {
for (int nCol = 0; nCol < NUMCOLS; nCol++) {
canvas.drawRect(
BOARDLEFT + nCol * SQUAREWIDTH,
BOARDTOP + nRow * SQUAREHEIGHT,
SQUAREWIDTH,
SQUAREHEIGHT);
if (m_nBoard[nRow][nCol] != 0) {
canvas.drawImage(
m_imgQueen,
BOARDLEFT + nCol * SQUAREWIDTH + 8,
BOARDTOP + nRow * SQUAREHEIGHT + 6,
null);
}
}
}
}
void CheckRows(Graphics canvas) {
for (int nRow = 0; nRow < NUMROWS; nRow++) {
int nRowCount = 0;
for (int nCol = 0; nCol < NUMCOLS; nCol++) {
if (m_nBoard[nRow][nCol] != 0) {
nRowCount++;
}
}
if (nRowCount > 1) {
canvas.drawLine(
BOARDLEFT + (SQUAREWIDTH / 2),
BOARDTOP + nRow * SQUAREHEIGHT + (SQUAREHEIGHT / 2),
BOARDLEFT + 7 * SQUAREWIDTH + (SQUAREWIDTH / 2),
BOARDTOP + nRow * SQUAREHEIGHT + (SQUAREHEIGHT / 2));
m_bClash = true;
}
}
}
void CheckColumns(Graphics canvas) {
// Check all columns
for (int nCol = 0; nCol < NUMCOLS; nCol++) {
int nColCount = 0;
for (int nRow = 0; nRow < NUMROWS; nRow++) {
if (m_nBoard[nRow][nCol] != 0) {
nColCount++;
}
}
if (nColCount > 1) {
canvas.drawLine(
BOARDLEFT + nCol * SQUAREWIDTH + (SQUAREWIDTH / 2),
BOARDTOP + (SQUAREHEIGHT / 2),
BOARDLEFT + nCol * SQUAREWIDTH + (SQUAREWIDTH / 2),
BOARDTOP + SQUAREHEIGHT * 7 + (SQUAREHEIGHT / 2));
m_bClash = true;
}
}
}