void KPrMatrixWipeStrategy::paintStep( QPainter &p, int currPos, const KPrPageEffect::Data &data )
{
int width = data.m_widget->width();
int height = data.m_widget->height();
int curSquare = currPos / (m_smooth ? framesPerSquare : 1);
for (int i = 0; i < m_squaresPerRow; ++i) {
for (int j = 0; j < m_squaresPerCol; ++j) {
QRect rect(floor(qreal(width) / m_squaresPerRow * i), floor(qreal(height) / m_squaresPerCol * j),
ceil(qreal(width) / m_squaresPerRow), ceil(qreal(height) / m_squaresPerCol));
int square = squareIndex(i, j, m_squaresPerRow, m_squaresPerCol);
if (square <= curSquare) {
if (square == curSquare && m_smooth) {
int squarePos = currPos % framesPerSquare;
p.drawPixmap( rect.topLeft(), data.m_oldPage, rect );
rect = tileRect(squareDirection(i, j, m_squaresPerRow, m_squaresPerCol), squarePos, rect);
if (rect.width() > 0 && rect.height() > 0) {
p.drawPixmap( rect.topLeft(), data.m_newPage, rect );
}
} else {
p.drawPixmap( rect.topLeft(), data.m_newPage, rect );
}
} else {
p.drawPixmap( rect.topLeft(), data.m_oldPage, rect );
}
}
}
}
void GraphicsBoard::movePiece(const Chess::Square& source,
const Chess::Square& target)
{
GraphicsPiece* piece = pieceAt(source);
Q_ASSERT(piece != nullptr);
m_squares[squareIndex(source)] = nullptr;
setSquare(target, piece);
}
GraphicsPiece* GraphicsBoard::pieceAt(const Chess::Square& square) const
{
if (!square.isValid())
return nullptr;
GraphicsPiece* piece = m_squares.at(squareIndex(square));
Q_ASSERT(piece == nullptr || piece->container() == this);
return piece;
}
GraphicsPiece* GraphicsBoard::takePieceAt(const Chess::Square& square)
{
int index = squareIndex(square);
if (index == -1)
return nullptr;
GraphicsPiece* piece = m_squares.at(index);
if (piece == nullptr)
return nullptr;
m_squares[index] = nullptr;
piece->setParentItem(nullptr);
piece->setContainer(nullptr);
return piece;
}
void GraphicsBoard::setSquare(const Chess::Square& square, GraphicsPiece* piece)
{
Q_ASSERT(square.isValid());
int index = squareIndex(square);
delete m_squares[index];
if (piece == nullptr)
m_squares[index] = nullptr;
else
{
m_squares[index] = piece;
piece->setContainer(this);
piece->setParentItem(this);
piece->setPos(squarePos(square));
}
}
void KPrMatrixWipeStrategy::next( const KPrPageEffect::Data &data )
{
int lastPos = data.m_timeLine.frameForTime( data.m_lastTime );
int currPos = data.m_timeLine.frameForTime( data.m_currentTime );
int width = data.m_widget->width();
int height = data.m_widget->height();
int curSquare = currPos / (m_smooth ? framesPerSquare : 1);
int lastSquare = lastPos / (m_smooth ? framesPerSquare : 1);
for (int i = 0; i < m_squaresPerRow; ++i) {
for (int j = 0; j < m_squaresPerCol; ++j) {
QRect rect(floor(qreal(width) / m_squaresPerRow * i), floor(qreal(height) / m_squaresPerCol * j),
ceil(qreal(width) / m_squaresPerRow), ceil(qreal(height) / m_squaresPerCol));
int square = squareIndex(i, j, m_squaresPerRow, m_squaresPerCol);
if (square <= curSquare && square >= lastSquare) {
data.m_widget->update(rect);
}
}
}
}