tetrix.py 文件源码

def showNextPiece(self):
        if self.nextPieceLabel is None:
            return

        dx = self.nextPiece.maxX() - self.nextPiece.minX() + 1
        dy = self.nextPiece.maxY() - self.nextPiece.minY() + 1

        pixmap = QPixmap(dx * self.squareWidth(), dy * self.squareHeight())
        painter = QPainter(pixmap)
        painter.fillRect(pixmap.rect(), self.nextPieceLabel.palette().window())

        for i in range(4):
            x = self.nextPiece.x(i) - self.nextPiece.minX()
            y = self.nextPiece.y(i) - self.nextPiece.minY()
            self.drawSquare(painter, x * self.squareWidth(),
                    y * self.squareHeight(), self.nextPiece.shape())

        painter.end()

        self.nextPieceLabel.setPixmap(pixmap)