def paintEvent(self, QPaintEvent): p = QPainter(self.viewport()) clipPath = QPainterPath() clipPath.addEllipse(0, 0, 100, 100) p.setRenderHint(QPainter.Antialiasing) p.setClipPath(clipPath) p.setClipping(False) p.setPen(Qt.gray) p.drawPath(clipPath) self.update()
def updatePixmap(self, rect): """ Update the pixmap for the current transition. This method sets a radial clipping region on the output pixmap and draws in the relevant portion of the ending pixamp. """ x = rect.x() y = rect.y() rx = rect.width() ry = rect.height() path = QPainterPath() path.addEllipse(QPointF(x, y), float(rx), float(ry)) painter = QPainter(self.outPixmap()) painter.setClipPath(path) painter.drawPixmap(QPoint(0, 0), self.endPixmap())
def paintEvent(self, event): painter = QPainter(self) btnRect = self.geometry() iconRect = self.iconSize() color = QColor(Qt.black) if self.hovered: color = self.color if self.pressed: color = self.color.darker(120) painter.setPen(QPen(QColor(Qt.lightGray), 2)) outline = QPainterPath() outline.addRoundedRect(0, 0, btnRect.width(), btnRect.height(), 0, 0) painter.setOpacity(1) painter.drawPath(outline) painter.setBrush(QBrush(color)) painter.setOpacity(self.opacity) painter_path = QPainterPath() painter_path.addRoundedRect(1, 1, btnRect.width() - 2, btnRect.height() - 2, 0, 0) if self.hovered: painter.setClipPath(painter_path) painter.drawRoundedRect(1, 1, btnRect.width() - 2, btnRect.height() - 2, 0, 0) painter.setOpacity(1) iconPos, textPos = self.calIconTextPos(btnRect, iconRect) # 重画文本 if not self.text().isNull(): painter.setFont(self.font()) painter.setPen(QPen(QColor(Qt.black), 2)) painter.drawText(textPos.x(), textPos.y(), textPos.width(), textPos.height(), Qt.AlignCenter, self.text()) # 重画图标 if not self.icon().isNull(): painter.drawPixmap(iconPos, QPixmap(self.icon().pixmap(self.iconSize())))
def pixmap(self, mode=QIcon.Normal, state=QIcon.Off): pixmap = self.icon().pixmap(self.iconSize(), mode, state) if pixmap.isNull(): return pixmap size = max(pixmap.width(), pixmap.height()) offset_x = (size - pixmap.width())/2 offset_y = (size - pixmap.height())/2 new_pixmap = QPixmap(size, size) new_pixmap.fill(Qt.transparent) path = QPainterPath() path.addRoundedRect(0, 0, size, size, 3.7, 3.7) painter = QPainter(new_pixmap) painter.setRenderHint(QPainter.Antialiasing, True) painter.setCompositionMode(QPainter.CompositionMode_SourceOver) painter.setClipPath(path) painter.drawPixmap(offset_x, offset_y, pixmap) painter.end() return new_pixmap
def paintEvent(self,event): painter = QPainter(self) btnRect = self.geometry() color = QColor(Qt.black) if self.hovered: color = self.color if self.pressed: color = self.color.darker(120) painter.setBrush(QBrush(color)) painter_path = QPainterPath() painter_path.addRoundedRect(1, 1, btnRect.width() - 2, btnRect.height() - 2, 0, 0) if self.hovered: painter.setPen(QPen(color,2)) outline = QPainterPath() outline.addRoundedRect(0, 0, btnRect.width(), btnRect.height(), 0, 0) painter.setOpacity(1) painter.drawPath(outline) painter.setClipPath(painter_path) painter.drawRoundedRect(1, 1, btnRect.width() - 2, btnRect.height() - 2, 0, 0) iconWidth = self.iconSize().width()*3/5 iconHeight = self.iconSize().height()*3/5 iconX = (btnRect.width()-iconWidth)/2 iconY = (btnRect.height()-iconHeight)/2 if self.pressed: iconX += 2 iconY += 2 iconPos = QRect() iconPos.setX(iconX) iconPos.setY(iconY) iconPos.setWidth(iconWidth) iconPos.setHeight(iconHeight) painter.drawPixmap(iconPos, QPixmap(self.icon().pixmap(self.iconSize())))
def paintEvent(self,event): return painter = QPainter(self) btnRect = self.geometry() iconRect = self.iconSize() color = QColor(Qt.black) if self.hovered: color = self.color if self.pressed: color = self.color.darker(120) painter.setPen(QPen(QColor(Qt.lightGray),2)) outline = QPainterPath() outline.addRoundedRect(0, 0, btnRect.width(), btnRect.height(), 0, 0) painter.setOpacity(1) painter.drawPath(outline) painter.setBrush(QBrush(color)) painter.setOpacity(self.opacity) painter_path = QPainterPath() painter_path.addRoundedRect(1, 1, btnRect.width() - 2, btnRect.height() - 2, 0, 0) if self.hovered: painter.setClipPath(painter_path) painter.drawRoundedRect(1, 1, btnRect.width() - 2, btnRect.height() - 2, 0, 0) painter.setOpacity(1) iconPos,textPos = self.calIconTextPos(btnRect, iconRect) # 重画文本 if not self.text().isNull(): painter.setFont(self.font()) painter.setPen(QPen(QColor(Qt.black),2)) painter.drawText(textPos.x(), textPos.y(), textPos.width(), textPos.height(), Qt.AlignCenter, self.text()) # 重画图标 if not self.icon().isNull(): painter.drawPixmap(iconPos, QPixmap(self.icon().pixmap(self.iconSize())))
def paintEvent(self, event): # Initialize QPainter properties painter = QPainter() painter.begin(self) painter.setRenderHint(QPainter.Antialiasing) if self.height() <= self.width() / self.ref_aspect_ratio: v_scale = self.height() h_scale = v_scale * self.ref_aspect_ratio else: h_scale = self.width() v_scale = h_scale / self.ref_aspect_ratio # Scale all objects proportionate to window size painter.scale(h_scale / self.width_ref, v_scale / self.height_ref) painter.setClipPath(self.dial) # Don't allow objects or text to extend outside of main dial shape painter.save() # First draw main gauge background pen = QPen(painter.pen()) pen.setWidth(1) pen.setColor(Qt.black) painter.setPen(pen) painter.setBrush(QColor(100, 100, 100, 255)) # self.dial_bg) painter.drawPath(self.dial) # Add Minor and Major Alarm limit bars pen.setWidth(16) pen.setCapStyle(Qt.FlatCap) pen.setJoinStyle(Qt.BevelJoin) pen.setColor(Qt.yellow) painter.setPen(pen) painter.setBrush(Qt.NoBrush) painter.drawPath(self.low_arc) painter.drawPath(self.high_arc) pen.setColor(Qt.red) painter.setPen(pen) painter.drawPath(self.lolo_arc) painter.drawPath(self.hihi_arc) painter.restore() # Display PV current value painter.save() font = QFont() font.setPixelSize(45) painter.setFont(font) sevr = self.channel.sevr.lower() if sevr == 'major': color = Qt.red elif sevr == 'minor': color = Qt.yellow elif sevr == 'invalid': color = Qt.magenta else: color = Qt.green pen.setColor(color) painter.setPen(pen) font_metric = QFontMetrics(font) painter.translate(self.dial_width / 2, self.dial_height / 2) label = self.format_label(self.channel_value) painter.drawText(QPointF(0.0 - font_metric.width(label) / 2.0, font_metric.height() / 2.0), label) # Display PV name painter.setFont(self.pv_label_font) pen.setColor(Qt.black) # Qt.darkCyan) pen.setWidth(1) painter.setPen(pen) # brush = QBrush(Qt.darkCyan) # painter.setBrush(brush) font_metric = QFontMetrics(self.pv_label_font) pv_label = self.channel.egu # self.channel.name + ' (' + self.channel.egu + ')' painter.drawText(QPointF(0.0 - font_metric.width(pv_label) / 2.0, (self.dial_height / 2.0) + (font_metric.height() * 1.5)), pv_label) # painter.drawPath(self.pv_label_path) painter.restore() # Next add division markers painter.save() painter.translate(self.dial_width / 2, self.dial_height * 0.98) pen.setColor(Qt.black) # Qt.cyan) pen.setWidth(2) painter.setPen(pen) for i in range(0, 31): if (i % 5) != 0: painter.drawLine(-self.dial_width / 2.1, 0.0, -self.dial_width / 2.2, 0.0) else: painter.drawLine(-self.dial_width / 2.1, 0.0, -self.dial_width / 2.3, 0.0) painter.rotate(6.0) painter.restore() # Layout division text labels painter.save() painter.translate(self.dial_width / 2, self.dial_height * 0.98) pen.setColor(Qt.black) # Qt.cyan) painter.setPen(pen) font = QFont() font.setPixelSize(18) painter.setFont(font) font_metric = QFontMetrics(font) labels = linspace(self.lim_low, self.lim_hi, 7) painter.rotate(-90) for i in range(0, 7): label = self.format_label(labels[i]) painter.drawText(QPointF(0.0 - font_metric.width(label) / 2.0, -self.dial_height * 0.75), label) painter.rotate(30) painter.restore() # Draw needle at appropriate angle for data painter.save() painter.translate(self.dial_width / 2, self.dial_height * 0.98) painter.rotate(-180 * (1.0 - self.percentage)) pen.setColor(QColor(self.needle_color).darker(200)) pen.setWidth(1) painter.setPen(pen) painter.setBrush(self.needle_color) painter.drawPolygon(self.needle) painter.restore() # if self.percentage <= 0.5: # shadow = max(490 * self.percentage, 127) # needle_left_color = QColor(0, shadow, shadow) # Qt.darkCyan # QColor(80,80,80,255) # needle_right_color = Qt.cyan # QColor(230,230,230,255) # else: # shadow = max(125 / self.percentage, 127) # needle_left_color = Qt.cyan # QColor(230,230,230,255) # needle_right_color = QColor(0, shadow, shadow) # Qt.darkCyan # QColor(80,80,80,255) # # # Draw Highlight side of needle # pen.setWidth(1) # pen.setColor(Qt.gray) # needle_left_color) # painter.setPen(pen) # painter.setBrush(Qt.gray) # needle_left_color) # painter.drawPolygon(self.needle_left) # # # Draw shadow side of needle # pen.setColor(Qt.gray) # needle_right_color) # painter.setPen(pen) # painter.setBrush(Qt.gray) # needle_right_color) # painter.drawPolygon(self.needle_right) # painter.restore() # Draw needle axel pin painter.save() pen.setWidth(1) pen.setColor(Qt.black) painter.setPen(pen) painter.setBrush(QColor(50, 50, 50, 255)) # self.pin_bg) painter.translate(self.dial_width / 2, self.dial_height * 0.98) painter.drawEllipse(self.pin_rect) painter.restore() # Draw glass reflection and shadow effects # painter.save() # painter.translate(self.dial_width / 2.0, self.dial_height / 2.0) # painter.setPen(Qt.NoPen) # painter.setBrush(QColor(0, 0, 0, 20)) # painter.drawEllipse(self.shadow_rect) # painter.setBrush(self.gloss_gradient) # painter.drawEllipse(self.gloss_rect) # painter.restore() painter.end()