scanitem.py 文件源码

def createImage(self, transform):
        scaledRect = transform.mapRect(QRect(0, 0, ScanItem.ITEM_WIDTH, ScanItem.ITEM_HEIGHT))
        image = QImage(scaledRect.width(), scaledRect.height(),
                QImage.Format_ARGB32_Premultiplied)
        image.fill(QColor(0, 0, 0, 0).rgba())
        painter = QPainter(image)
        painter.setRenderHint(QPainter.Antialiasing)

        if Colors.useEightBitPalette:
            painter.setPen(QPen(QColor(100, 100, 100), 2))
            painter.setBrush(QColor(206, 246, 117))
            painter.drawEllipse(1, 1, scaledRect.width() - 2,
                    scaledRect.height() - 2)
        else:
            painter.setPen(QPen(QColor(0, 0, 0, 15), 1))
            painter.setBrush(QColor(0, 0, 0, 15))
            painter.drawEllipse(1, 1, scaledRect.width() - 2,
                    scaledRect.height() - 2)

        return image