letteritem.py 文件源码

def createImage(self, transform):
        scaledRect = transform.mapRect(QRect(0, 0, 25, 25))
        image = QImage(scaledRect.width(), scaledRect.height(),
                QImage.Format_ARGB32_Premultiplied)
        image.fill(0)
        painter = QPainter(image)
        painter.scale(transform.m11(), transform.m22())
        painter.setRenderHints(QPainter.TextAntialiasing | QPainter.Antialiasing | QPainter.SmoothPixmapTransform)
        painter.setPen(Qt.NoPen)

        if Colors.useEightBitPalette:
            painter.setBrush(QColor(102, 175, 54))
            painter.drawEllipse(0, 0, 25, 25)
            painter.setFont(Colors.tickerFont())
            painter.setPen(QColor(255, 255, 255))
            painter.drawText(10, 15, self.letter)
        else:
            brush = QLinearGradient(0, 0, 0, 25)
            brush.setSpread(QLinearGradient.PadSpread)
            brush.setColorAt(0.0, QColor(102, 175, 54, 200))
            brush.setColorAt(1.0, QColor(102, 175, 54, 60))
            painter.setBrush(brush)
            painter.drawEllipse(0, 0, 25, 25)
            painter.setFont(Colors.tickerFont())
            painter.setPen(QColor(255, 255, 255, 255))
            painter.drawText(10, 15, self.letter)

        return image