textbutton.py 文件源码

def createRoundButtonBackground(self, transform):
        scaledRect = transform.mapRect(QRect(0, 0,
                self.logicalSize.width(), self.logicalSize.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.SmoothPixmapTransform)
        painter.setRenderHint(QPainter.Antialiasing)
        painter.setPen(Qt.NoPen)

        if Colors.useEightBitPalette:
            painter.setPen(QColor(120, 120, 120))
            if self.pressed:
                painter.setBrush(QColor(60, 60, 60))
            elif self.highlighted:
                painter.setBrush(QColor(100, 100, 100))
            else:
                painter.setBrush(QColor(80, 80, 80))
        else:
            outlinebrush = QLinearGradient(0, 0, 0, scaledRect.height())
            brush = QLinearGradient(0, 0, 0, scaledRect.height())

            brush.setSpread(QLinearGradient.PadSpread)
            highlight = QColor(255, 255, 255, 70)
            shadow = QColor(0, 0, 0, 70)
            sunken = QColor(220, 220, 220, 30)

            if self.type == TextButton.PANEL:
                normal1 = QColor(200, 170, 160, 50)
                normal2 = QColor(50, 10, 0, 50)
            else:
                normal1 = QColor(255, 255, 245, 60)
                normal2 = QColor(255, 255, 235, 10)

            if self.pressed:
                outlinebrush.setColorAt(0, shadow)
                outlinebrush.setColorAt(1, highlight)
                brush.setColorAt(0, sunken)
                painter.setPen(Qt.NoPen)
            else:
                outlinebrush.setColorAt(1, shadow)
                outlinebrush.setColorAt(0, highlight)
                brush.setColorAt(0, normal1)
                if not self.highlighted:
                    brush.setColorAt(1, normal2)
                painter.setPen(QPen(outlinebrush, 1))

            painter.setBrush(brush)

        if self.type == TextButton.PANEL:
            painter.drawRect(0, 0, scaledRect.width(), scaledRect.height())
        else:
            painter.drawRoundedRect(0, 0, scaledRect.width(),
                    scaledRect.height(), 10, 90, Qt.RelativeSize)

        return image