tetrix.py 文件源码

def paintEvent(self, event):
        super(TetrixBoard, self).paintEvent(event)

        painter = QPainter(self)
        rect = self.contentsRect()

        if self.isPaused:
            painter.drawText(rect, Qt.AlignCenter, "Pause")
            return

        boardTop = rect.bottom() - TetrixBoard.BoardHeight * self.squareHeight()

        for i in range(TetrixBoard.BoardHeight):
            for j in range(TetrixBoard.BoardWidth):
                shape = self.shapeAt(j, TetrixBoard.BoardHeight - i - 1)
                if shape != NoShape:
                    self.drawSquare(painter,
                            rect.left() + j * self.squareWidth(),
                            boardTop + i * self.squareHeight(), shape)

        if self.curPiece.shape() != NoShape:
            for i in range(4):
                x = self.curX + self.curPiece.x(i)
                y = self.curY - self.curPiece.y(i)
                self.drawSquare(painter, rect.left() + x * self.squareWidth(),
                        boardTop + (TetrixBoard.BoardHeight - y - 1) * self.squareHeight(),
                        self.curPiece.shape())