Python PyQt5.QtCore.Qt.RoundCap() Examples

def highligting(self, color, underline_width):
		color = QColor(color)
		color = QColor(color.red(), color.green(), color.blue(), 200)
		painter = QPainter(self)

		if config.hover_underline:
			font_metrics = QFontMetrics(self.font())
			text_width = font_metrics.width(self.word)
			text_height = font_metrics.height()

			brush = QBrush(color)
			pen = QPen(brush, underline_width, Qt.SolidLine, Qt.RoundCap)
			painter.setPen(pen)
			if not self.skip:
				painter.drawLine(0, text_height - underline_width, text_width, text_height - underline_width)

		if config.hover_hightlight:
			x = y = 0
			y += self.fontMetrics().ascent()

			painter.setPen(color)
			painter.drawText(x, y + config.outline_top_padding - config.outline_bottom_padding, self.word) 

def text_mousePressEvent(self, e):
        if e.button() == Qt.LeftButton and self.current_pos is None:
            self.current_pos = e.pos()
            self.current_text = ""
            self.timer_event = self.text_timerEvent

        elif e.button() == Qt.LeftButton:

            self.timer_cleanup()
            # Draw the text to the image
            p = QPainter(self.pixmap())
            p.setRenderHints(QPainter.Antialiasing)
            font = build_font(self.config)
            p.setFont(font)
            pen = QPen(self.primary_color, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin)
            p.setPen(pen)
            p.drawText(self.current_pos, self.current_text)
            self.update()

            self.reset_mode()

        elif e.button() == Qt.RightButton and self.current_pos:
            self.reset_mode() 

def draw_text_n_outline(self, painter: QPainter, x, y, outline_width, outline_blur, text):
		outline_color = QColor(config.outline_color)

		font = self.font()
		text_path = QPainterPath()
		if config.R2L_from_B:
			text_path.addText(x, y, font, ' ' + r2l(text.strip()) + ' ')
		else:
			text_path.addText(x, y, font, text)

		# draw blur
		range_width = range(outline_width, outline_width + outline_blur)
		# ~range_width = range(outline_width + outline_blur, outline_width, -1)

		for width in range_width:
			if width == min(range_width):
				alpha = 200
			else:
				alpha = (max(range_width) - width) / max(range_width) * 200

			blur_color = QColor(outline_color.red(), outline_color.green(), outline_color.blue(), alpha)
			blur_brush = QBrush(blur_color, Qt.SolidPattern)
			blur_pen = QPen(blur_brush, width, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin)

			painter.setPen(blur_pen)
			painter.drawPath(text_path)

		# draw outline
		outline_color = QColor(outline_color.red(), outline_color.green(), outline_color.blue(), 255)
		outline_brush = QBrush(outline_color, Qt.SolidPattern)
		outline_pen = QPen(outline_brush, outline_width, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin)

		painter.setPen(outline_pen)
		painter.drawPath(text_path)

		# draw text
		color = self.palette().color(QPalette.Text)
		painter.setPen(color)
		painter.drawText(x, y, text) 

def eraser_mouseMoveEvent(self, e):
        if self.last_pos:
            p = QPainter(self.pixmap())
            p.setPen(QPen(self.eraser_color, 30, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
            p.drawLine(self.last_pos, e.pos())

            self.last_pos = e.pos()
            self.update() 

def brush_mouseMoveEvent(self, e):
        if self.last_pos:
            p = QPainter(self.pixmap())
            p.setPen(QPen(self.active_color, self.config['size'] * BRUSH_MULT, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
            p.drawLine(self.last_pos, e.pos())

            self.last_pos = e.pos()
            self.update() 

def line_mouseReleaseEvent(self, e):
        if self.last_pos:
            # Clear up indicator.
            self.timer_cleanup()

            p = QPainter(self.pixmap())
            p.setPen(QPen(self.primary_color, self.config['size'], Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))

            p.drawLine(self.origin_pos, e.pos())
            self.update()

        self.reset_mode()

    # Generic poly events 

def generic_poly_mouseDoubleClickEvent(self, e):
        self.timer_cleanup()
        p = QPainter(self.pixmap())
        p.setPen(QPen(self.primary_color, self.config['size'], Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))

        # Note the brush is ignored for polylines.
        if self.secondary_color:
            p.setBrush(QBrush(self.secondary_color))

        getattr(p, self.active_shape_fn)(*self.history_pos + [e.pos()])
        self.update()
        self.reset_mode()

    # Polyline events 

def paintEvent(self, event):
        super().paintEvent(event)
        if not self.is_revoked:
            return
        rect = event.rect()
        painter = QPainter(self)
        painter.setRenderHints(QPainter.HighQualityAntialiasing)
        pen = QPen(QColor(218, 53, 69))
        pen.setWidth(5)
        pen.setJoinStyle(Qt.RoundJoin)
        pen.setCapStyle(Qt.RoundCap)
        painter.setPen(pen)
        painter.drawEllipse(rect.right() - 53, 3, 50, 53)
        painter.drawLine(rect.right() - 44, 44, rect.right() - 12, 12)
        painter.end() 

def _drawArc(self, painter: QPainter, radius: int):
        # 绘制圆弧
        painter.save()
        painter.setBrush(Qt.NoBrush)
        # 修改画笔
        pen = painter.pen()
        pen.setWidthF(self.BorderWidth)
        pen.setCapStyle(Qt.RoundCap)

        arcLength = 360.0 / (self.MaxValue - self.MinValue) * self.Value
        rect = QRectF(-radius, -radius, radius * 2, radius * 2)

        if not self.Clockwise:
            # 逆时针
            arcLength = -arcLength

        # 绘制剩余进度圆弧
        if self.ShowFreeArea:
            acolor = self.BorderColor.toRgb()
            acolor.setAlphaF(0.2)
            pen.setColor(acolor)
            painter.setPen(pen)
            painter.drawArc(rect, (0 - arcLength) *
                            16, -(360 - arcLength) * 16)

        # 绘制当前进度圆弧
        pen.setColor(self.BorderColor)
        painter.setPen(pen)
        painter.drawArc(rect, 0, -arcLength * 16)

        # 绘制进度圆弧前面的小圆
        if self.ShowSmallCircle:
            offset = radius - self.BorderWidth + 1
            radius = self.BorderWidth / 2 - 1
            painter.rotate(-90)
            circleRect = QRectF(-radius, radius + offset,
                                radius * 2, radius * 2)
            painter.rotate(arcLength)
            painter.drawEllipse(circleRect)

        painter.restore() 

def __init__(self, *args, antialiasing=True, **kwargs):
        super(Label, self).__init__(*args, **kwargs)
        self.Antialiasing = antialiasing
        self.setMaximumSize(200, 200)
        self.setMinimumSize(200, 200)
        self.radius = 100

        #####################核心实现#########################
        self.target = QPixmap(self.size())  # 大小和控件一样
        self.target.fill(Qt.transparent)  # 填充背景为透明

        p = QPixmap("Data/Images/head.jpg").scaled(  # 加载图片并缩放和控件一样大
            200, 200, Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation)

        painter = QPainter(self.target)
        if self.Antialiasing:
            # 抗锯齿
            painter.setRenderHint(QPainter.Antialiasing, True)
            painter.setRenderHint(QPainter.HighQualityAntialiasing, True)
            painter.setRenderHint(QPainter.SmoothPixmapTransform, True)

        #         painter.setPen(# 测试圆圈
        #             QPen(Qt.red, 5, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
        path = QPainterPath()
        path.addRoundedRect(
            0, 0, self.width(), self.height(), self.radius, self.radius)
        # **** 切割为圆形 ****#
        painter.setClipPath(path)
        #         painter.drawPath(path)  # 测试圆圈

        painter.drawPixmap(0, 0, p)
        self.setPixmap(self.target)
        #####################核心实现######################### 

def __init__(self, pos, size, type_, parent = None, scene = None,
                 areaBorder = 2, index = 0, textSize = 50):
        QGraphicsRectItem.__init__(self, 0, 0, size.width(), size.height(),
                                   parent)
        self.setPos(pos)
        self.newEvent = IsClicked()
        self.newEvent.area = self

        #self.setAcceptedMouseButtons(QtCore.Qt.NoButton)
        self.setFlags(QGraphicsItem.ItemIsMovable |
            QGraphicsItem.ItemIsFocusable |
            QGraphicsItem.ItemIsSelectable)

        ## set index label
        self.text = QGraphicsTextItem("%d" % index, self)
        self.setTextSize(textSize)

        ## TODO: How to create constants for the type?
        ## (such as constants in Qt) (enum?)
        self.kind = type_

        pen = QPen(self.color, areaBorder, Qt.SolidLine,
                   Qt.RoundCap, Qt.RoundJoin)
        self.setPen(pen)
        # self.setAcceptsHoverEvents(True)  # TODO

        # self.text.setFlag(QtGui.QGraphicsItem.ItemIgnoresTransformations) 

def __init__(self, parent=None):
        super().__init__(parent)
        self.setPen(QPen(Qt.black, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin)) 

def __init__(self, model_item: Participant, parent=None):
        super().__init__(parent)

        self.model_item = model_item

        self.text = QGraphicsTextItem(self)

        self.line = QGraphicsLineItem(self)
        self.line.setPen(QPen(Qt.darkGray, 1, Qt.DashLine, Qt.RoundCap, Qt.RoundJoin))

        self.refresh() 

def refresh(self):
        self.text.setPlainText("?" if not self.model_item else self.model_item.shortname)
        if hasattr(self.model_item, "simulate") and self.model_item.simulate:
            font = QFont()
            font.setBold(True)
            self.text.setFont(font)
            self.text.setDefaultTextColor(Qt.darkGreen)
            self.line.setPen(QPen(Qt.darkGreen, 2, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
        else:
            self.text.setFont(QFont())
            self.text.setDefaultTextColor(settings.LINECOLOR)
            self.line.setPen(QPen(Qt.darkGray, 1, Qt.DashLine, Qt.RoundCap, Qt.RoundJoin)) 

def mouseMoveEvent(self, event):
        if event.buttons() & Qt.LeftButton:
            # painter.setPen(QPen(self.brushColor,
            # self.brushSize, Qt.SolidLine, Qt.RoundCap,Qt.RoundJoin))
            # painter.drawLine(
            # self.label.mapFromParent(event.pos()),self.last_found_point)
            self.last_found_point = self.label.mapFromParent(
                event.pos())  # this is working fine now
            print(self.last_found_point, "MOVE")
            fixed_pos[0] = int(event.pos().x())
            fixed_pos[1] = int(event.pos().y())
            # self.label.setPixmap(QPixmap.fromImage(self.image))