Python QLineF.p1方法代码示例

# 需要导入模块: from PyQt5.QtCore import QLineF [as 别名]
# 或者: from PyQt5.QtCore.QLineF import p1 [as 别名]
    def plot_vert_line_graph(self, qp, x_line, color, c, arrow_up=False,
                             arrow_down=False):
        if x_line < self._start_date or x_line > self._end_date:
            return

        x_line -= self._start_date

        qp.save()
        qp.setPen(color)
        qp.setBrush(color)
        qp.setRenderHint(QPainter.Antialiasing)
        arrowSize = 2.0
        x, y = self.origGraph(c)
        line = QLineF(x + self.convX(x_line), y + 10, x + self.convX(x_line),
                      y + 50)
        qp.drawLine(line)
        if arrow_up:
            arrowP1 = line.p1() + QPointF(arrowSize, arrowSize * 3)
            arrowP2 = line.p1() + QPointF(-arrowSize, arrowSize * 3)
            qp.drawLine(line.p1(), arrowP1)
            qp.drawLine(line.p1(), arrowP2)
        if arrow_down:
            arrowP1 = line.p2() + QPointF(arrowSize, - arrowSize * 3)
            arrowP2 = line.p2() + QPointF(-arrowSize, - arrowSize * 3)
            qp.drawLine(line.p2(), arrowP1)
            qp.drawLine(line.p2(), arrowP2)
        qp.restore()

# 需要导入模块: from PyQt5.QtCore import QLineF [as 别名]
# 或者: from PyQt5.QtCore.QLineF import p1 [as 别名]
class GuideLine(Guide):
    def __init__(self, line_or_point, follows=None):
        super(GuideLine, self).__init__(follows)

        if isinstance(line_or_point, QLineF):
            self.line = line_or_point
        elif follows is not None:
            self.line = QLineF(self.prevGuide.endPos(), line_or_point)
        else:
            self.line = QLineF(QPointF(0, 0), line_or_point)

    def length(self):
        return self.line.length()

    def startPos(self):
        return QPointF(self.line.p1().x() * self.scaleX,
                self.line.p1().y() * self.scaleY)

    def endPos(self):
        return QPointF(self.line.p2().x() * self.scaleX,
                self.line.p2().y() * self.scaleY)

    def guide(self, item, moveSpeed):
        frame = item.guideFrame - self.startLength
        endX = (self.line.p1().x() + (frame * self.line.dx() / self.length())) * self.scaleX
        endY = (self.line.p1().y() + (frame * self.line.dy() / self.length())) * self.scaleY
        pos = QPointF(endX, endY)
        self.move(item, pos, moveSpeed)

# 需要导入模块: from PyQt5.QtCore import QLineF [as 别名]
# 或者: from PyQt5.QtCore.QLineF import p1 [as 别名]
    def paint(self, painter, option, widget):
        if not self.source or not self.dest:
            return

        # Draw the line itself.
        line = QLineF(self.sourcePoint, self.destPoint)

        if line.length() == 0.0:
            return

        painter.setPen(QPen(Qt.black, 1, Qt.SolidLine, Qt.RoundCap,
                Qt.RoundJoin))
        painter.drawLine(line)

        # Draw the arrows if there's enough room.
        angle = math.acos(line.dx() / line.length())
        if line.dy() >= 0:
            angle = Edge.TwoPi - angle

        sourceArrowP1 = self.sourcePoint + QPointF(math.sin(angle + Edge.Pi / 3) * self.arrowSize,
                                                          math.cos(angle + Edge.Pi / 3) * self.arrowSize)
        sourceArrowP2 = self.sourcePoint + QPointF(math.sin(angle + Edge.Pi - Edge.Pi / 3) * self.arrowSize,
                                                          math.cos(angle + Edge.Pi - Edge.Pi / 3) * self.arrowSize);   
        destArrowP1 = self.destPoint + QPointF(math.sin(angle - Edge.Pi / 3) * self.arrowSize,
                                                      math.cos(angle - Edge.Pi / 3) * self.arrowSize)
        destArrowP2 = self.destPoint + QPointF(math.sin(angle - Edge.Pi + Edge.Pi / 3) * self.arrowSize,
                                                      math.cos(angle - Edge.Pi + Edge.Pi / 3) * self.arrowSize)

        painter.setBrush(Qt.black)
        painter.drawPolygon(QPolygonF([line.p1(), sourceArrowP1, sourceArrowP2]))
        painter.drawPolygon(QPolygonF([line.p2(), destArrowP1, destArrowP2]))

# 需要导入模块: from PyQt5.QtCore import QLineF [as 别名]
# 或者: from PyQt5.QtCore.QLineF import p1 [as 别名]
    def adjust(self):
        if not self.source or not self.dest:
            return

        line = QLineF(self.mapFromItem(self.source, 0, 0),
                self.mapFromItem(self.dest, 0, 0))
        length = line.length()

        self.prepareGeometryChange()

        if length > 20.0:
            edgeOffset = QPointF((line.dx() * 10) / length,
                    (line.dy() * 10) / length)

            self.sourcePoint = line.p1() + edgeOffset
            self.destPoint = line.p2() - edgeOffset
        else:
            self.sourcePoint = line.p1()
            self.destPoint = line.p1()

# 需要导入模块: from PyQt5.QtCore import QLineF [as 别名]
# 或者: from PyQt5.QtCore.QLineF import p1 [as 别名]
def moveUIPoint(contour, point, delta):
    if point.segmentType is None:
        # point is an offCurve. Get its sibling onCurve and the other
        # offCurve.
        onCurve, otherPoint = _getOffCurveSiblingPoints(contour, point)
        # if the onCurve is selected, the offCurve will move along with it
        if onCurve.selected:
            return
        point.move(delta)
        if not onCurve.smooth:
            contour.dirty = True
            return
        # if the onCurve is smooth, we need to either...
        if otherPoint.segmentType is None and not otherPoint.selected:
            # keep the other offCurve inline
            line = QLineF(point.x, point.y, onCurve.x, onCurve.y)
            otherLine = QLineF(
                onCurve.x, onCurve.y, otherPoint.x, otherPoint.y)
            line.setLength(line.length() + otherLine.length())
            otherPoint.x = line.x2()
            otherPoint.y = line.y2()
        else:
            # keep point in tangency with onCurve -> otherPoint segment,
            # ie. do an orthogonal projection
            line = QLineF(otherPoint.x, otherPoint.y, onCurve.x, onCurve.y)
            n = line.normalVector()
            n.translate(QPointF(point.x, point.y) - n.p1())
            targetPoint = QPointF()
            n.intersect(line, targetPoint)
            # check that targetPoint is beyond its neighbor onCurve
            # we do this by calculating position of the offCurve and second
            # onCurve relative to the first onCurve. If there is no symmetry
            # in at least one of the axis, then we need to clamp
            onCurvePoint = line.p2()
            onDistance = line.p1() - onCurvePoint
            newDistance = targetPoint - onCurvePoint
            if (onDistance.x() >= 0) != (newDistance.x() <= 0) or \
                    (onDistance.y() >= 0) != (newDistance.y() <= 0):
                targetPoint = onCurvePoint
            # ok, now set pos
            point.x, point.y = targetPoint.x(), targetPoint.y()
    else:
        # point is an onCurve. Move its offCurves along with it.
        index = contour.index(point)
        point.move(delta)
        for d in (-1, 1):
            # edge-case: contour open, trailing offCurve and moving first
            # onCurve in contour
            if contour.open and index == 0 and d == -1:
                continue
            pt = contour.getPoint(index + d)
            if pt.segmentType is None:
                pt.move(delta)
    contour.dirty = True

# 需要导入模块: from PyQt5.QtCore import QLineF [as 别名]
# 或者: from PyQt5.QtCore.QLineF import p1 [as 别名]
    def paint(self, painter, option, widget):
        """
        Customize line adding an arrow head

        :param QPainter painter: Painter instance of the item
        :param option:  Painter option of the item
        :param widget:  Widget instance
        """
        if not self.source or not self.destination:
            return
        line = QLineF(self.source_point, self.destination_point)
        if qFuzzyCompare(line.length(), 0):
            return

        # Draw the line itself
        color = QColor()
        color.setHsv(120 - 60 / self.steps_max * self.steps,
                     180 + 50 / self.steps_max * self.steps,
                     150 + 80 / self.steps_max * self.steps)
        if self.highlighted:
            color.setHsv(0, 0, 0)

        style = self.line_style

        painter.setPen(QPen(color, 1, style, Qt.RoundCap, Qt.RoundJoin))
        painter.drawLine(line)
        painter.setPen(QPen(color, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))

        # Draw the arrows
        angle = math.acos(line.dx() / line.length())
        if line.dy() >= 0:
            angle = (2.0 * math.pi) - angle

        #  arrow in the middle of the arc
        hpx = line.p1().x() + (line.dx() / 2.0)
        hpy = line.p1().y() + (line.dy() / 2.0)
        head_point = QPointF(hpx, hpy)

        painter.setPen(QPen(color, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
        destination_arrow_p1 = head_point + QPointF(
            math.sin(angle - math.pi / 3) * self.arrow_size,
            math.cos(angle - math.pi / 3) * self.arrow_size)
        destination_arrow_p2 = head_point + QPointF(
            math.sin(angle - math.pi + math.pi / 3) * self.arrow_size,
            math.cos(angle - math.pi + math.pi / 3) * self.arrow_size)

        painter.setBrush(color)
        painter.drawPolygon(QPolygonF([head_point, destination_arrow_p1, destination_arrow_p2]))

        if self.metadata["confirmation_text"]:
            painter.drawText(head_point, self.metadata["confirmation_text"])

# 需要导入模块: from PyQt5.QtCore import QLineF [as 别名]
# 或者: from PyQt5.QtCore.QLineF import p1 [as 别名]
    def paint(self, painter, option, widget):
        """
        Customize line adding an arrow head

        :param QPainter painter: Painter instance of the item
        :param option:  Painter option of the item
        :param widget:  Widget instance
        """
        if not self.source or not self.destination:
            return
        line = QLineF(self.source_point, self.destination_point)
        if qFuzzyCompare(line.length(), 0):
            return

        # Draw the line itself
        color = QColor()
        style = Qt.SolidLine
        if self.status == ARC_STATUS_STRONG:
            color.setNamedColor('blue')
        if self.status == ARC_STATUS_WEAK:
            color.setNamedColor('salmon')
            style = Qt.DashLine

        painter.setPen(QPen(color, 1, style, Qt.RoundCap, Qt.RoundJoin))
        painter.drawLine(line)
        painter.setPen(QPen(color, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))

        # Draw the arrows
        angle = math.acos(line.dx() / line.length())
        if line.dy() >= 0:
            angle = (2.0 * math.pi) - angle

        #  arrow in the middle of the arc
        hpx = line.p1().x() + (line.dx() / 2.0)
        hpy = line.p1().y() + (line.dy() / 2.0)
        head_point = QPointF(hpx, hpy)

        painter.setPen(QPen(color, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
        destination_arrow_p1 = head_point + QPointF(
            math.sin(angle - math.pi / 3) * self.arrow_size,
            math.cos(angle - math.pi / 3) * self.arrow_size)
        destination_arrow_p2 = head_point + QPointF(
            math.sin(angle - math.pi + math.pi / 3) * self.arrow_size,
            math.cos(angle - math.pi + math.pi / 3) * self.arrow_size)

        painter.setBrush(color)
        painter.drawPolygon(QPolygonF([head_point, destination_arrow_p1, destination_arrow_p2]))

        if self.metadata["confirmation_text"]:
            painter.drawText(head_point, self.metadata["confirmation_text"])

# 需要导入模块: from PyQt5.QtCore import QLineF [as 别名]
# 或者: from PyQt5.QtCore.QLineF import p1 [as 别名]
    def adjust(self):
        """
        Draw the arc line
        """
        if not self.source or not self.destination:
            return
        line = QLineF(
            self.mapFromItem(
                self.source,
                self.source.boundingRect().width() - (self.source.boundingRect().width() / 2.0),
                self.source.boundingRect().height() / 2.0
            ),
            self.mapFromItem(
                self.destination,
                self.destination.boundingRect().width() / 2.0,
                self.destination.boundingRect().height() / 2.0
            )
        )
        self.prepareGeometryChange()
        self.source_point = line.p1()
        self.destination_point = line.p2()

        # mouse over on line only
        self.setLine(line)

# 需要导入模块: from PyQt5.QtCore import QLineF [as 别名]
# 或者: from PyQt5.QtCore.QLineF import p1 [as 别名]
def _drawGuidelines(painter, glyph, scale, rect, guidelines, drawLines=True,
                    drawText=True, drawSelection=True, color=None):
    if not (drawLines or drawText):
        return
    xMin, yMin, width, height = rect
    xMax = xMin + width
    yMax = yMin + height
    fontSize = painter.font().pointSize()
    for line in guidelines:
        color_ = color
        if color_ is None:
            if line.color:
                color_ = colorToQColor(line.color)
            else:
                color_ = defaultColor("glyphGuideline")
        painter.save()
        painter.setPen(color)
        line1 = None
        if None not in (line.x, line.y):
            if line.angle is not None:
                # make an infinite line that intersects *(line.x, line.y)*
                # 1. make horizontal line from *(line.x, line.y)* of length
                # *diagonal*
                diagonal = math.sqrt(width**2 + height**2)
                line1 = QLineF(line.x, line.y, line.x + diagonal, line.y)
                # 2. set the angle
                # defcon guidelines are clockwise
                line1.setAngle(line.angle)
                # 3. reverse the line and set length to 2 * *diagonal*
                line1.setPoints(line1.p2(), line1.p1())
                line1.setLength(2 * diagonal)
            else:
                line1 = QLineF(xMin, line.y, xMax, line.y)
        textX = 0
        textY = 0
        if drawLines:
            if line1 is not None:
                # line
                drawLine(
                    painter, line1.x1(), line1.y1(), line1.x2(), line1.y2())
                # point
                x, y = line.x, line.y
                smoothWidth = 8 * scale
                smoothHalf = smoothWidth / 2.0
                painter.save()
                pointPath = QPainterPath()
                x -= smoothHalf
                y -= smoothHalf
                pointPath.addEllipse(x, y, smoothWidth, smoothWidth)
                pen = QPen(color_)
                pen.setWidthF(1 * scale)
                painter.setPen(pen)
                if drawSelection and line.selected:
                    painter.fillPath(pointPath, color_)
                painter.drawPath(pointPath)
                painter.restore()
            else:
                if line.y is not None:
                    drawLine(painter, xMin, line.y, xMax, line.y)
                elif line.x is not None:
                    drawLine(painter, line.x, yMin, line.x, yMax)
        if drawText and line.name:
            if line1 is not None:
                textX = line.x
                textY = line.y - 6 * scale
                xAlign = "center"
            else:
                if line.y is not None:
                    textX = glyph.width + 6 * scale
                    textY = line.y - (fontSize / 3.5) * scale
                elif line.x is not None:
                    textX = line.x + 6 * scale
                    textY = 0
                xAlign = "left"
            drawTextAtPoint(
                painter, line.name, textX, textY, scale, xAlign=xAlign)
        painter.restore()

# 需要导入模块: from PyQt5.QtCore import QLineF [as 别名]
# 或者: from PyQt5.QtCore.QLineF import p1 [as 别名]
    def showWedge(self, angle, color,
                  extended=False, rev_gradient=False, outline_only=False):
        """Summary

        Args:
            angle (TYPE): Description
            color (TYPE): Description
            extended (bool, optional): Description
            rev_gradient (bool, optional): Description
            outline_only (bool, optional): Description
        """
        # Hack to keep wedge in front
        # self.setRotation(self.pre_xover_item_group.rotation())

        self._last_params = (angle, color, extended, rev_gradient, outline_only)
        radius = self._radius
        span = self.pre_xover_item_group.partCrossoverSpanAngle() / 2
        radius_adjusted = radius + (_WEDGE_RECT_GAIN / 2)

        tip = QPointF(radius_adjusted, radius_adjusted)
        EXT = 1.35 if extended else 1.0

        # print("wtf", tip, pos)
        base_p2 = QPointF(1, 1)

        line0 = QLineF(tip, QPointF(base_p2))
        line1 = QLineF(tip, QPointF(base_p2))
        line2 = QLineF(tip, QPointF(base_p2))

        quad_scale = 1 + (.22*(span - 5) / 55)  # lo+(hi-lo)*(val-min)/(max-min)
        line0.setLength(radius_adjusted * EXT*quad_scale)  # for quadTo control point
        line1.setLength(radius_adjusted * EXT)
        line2.setLength(radius_adjusted * EXT)
        line0.setAngle(angle)
        line1.setAngle(angle - span)
        line2.setAngle(angle + span)

        path = QPainterPath()

        if outline_only:
            self.setPen(getPenObj(color, 0.5, alpha=128, capstyle=Qt.RoundCap))
            path.moveTo(line1.p2())
            path.quadTo(line0.p2(), line2.p2())
        else:
            gradient = QRadialGradient(tip, radius_adjusted * EXT)
            color1 = getColorObj(color, alpha=80)
            color2 = getColorObj(color, alpha=0)
            if rev_gradient:
                color1, color2 = color2, color1

            if extended:
                gradient.setColorAt(0, color1)
                gradient.setColorAt(radius_adjusted / (radius_adjusted * EXT), color1)
                gradient.setColorAt(radius_adjusted / (radius_adjusted * EXT) + 0.01, color2)
                gradient.setColorAt(1, color2)
            else:
                gradient.setColorAt(0, getColorObj(color, alpha=50))
            brush = QBrush(gradient)
            self.setBrush(brush)

            path.moveTo(line1.p1())
            path.lineTo(line1.p2())
            path.quadTo(line0.p2(), line2.p2())
            path.lineTo(line2.p1())

        self.setPath(path)
        self.show()

# 需要导入模块: from PyQt5.QtCore import QLineF [as 别名]
# 或者: from PyQt5.QtCore.QLineF import p1 [as 别名]
    def drawToolButtonMenuIndicator(self, option, painter, widget=None):
        arrow_rect = self.proxy().subControlRect(QStyle.CC_ToolButton, option, QStyle.SC_ToolButtonMenu, widget)

        text_color = option.palette.color(
            QPalette.WindowText if option.state & QStyle.State_AutoRaise else QPalette.ButtonText
        )
        button_color = option.palette.color(QPalette.Button)
        background_color = self.background_color(button_color, 0.5)

        painter.save()

        # draw separating vertical line
        if option.state & (QStyle.State_On | QStyle.State_Sunken):
            top_offset, bottom_offset = 4, 3
        else:
            top_offset, bottom_offset = 2, 2

        if option.direction == Qt.LeftToRight:
            separator_line = QLineF(
                arrow_rect.x() - 3,
                arrow_rect.top() + top_offset,
                arrow_rect.x() - 3,
                arrow_rect.bottom() - bottom_offset,
            )
        else:
            separator_line = QLineF(
                arrow_rect.right() + 3,
                arrow_rect.top() + top_offset,
                arrow_rect.right() + 3,
                arrow_rect.bottom() - bottom_offset,
            )

        light_gradient = QLinearGradient(separator_line.p1(), separator_line.p2())
        light_gradient.setColorAt(
            0.0, ColorScheme.shade(self.background_top_color(button_color), ColorScheme.LightShade, 0.0)
        )
        light_gradient.setColorAt(
            1.0, ColorScheme.shade(self.background_bottom_color(button_color), ColorScheme.MidlightShade, 0.5)
        )
        separator_color = ColorScheme.shade(self.background_bottom_color(button_color), ColorScheme.MidShade, 0.0)

        painter.setRenderHint(QPainter.Antialiasing, False)
        painter.setPen(QPen(light_gradient, 1))
        painter.drawLine(separator_line.translated(-1, 0))
        painter.drawLine(separator_line.translated(+1, 0))
        painter.setPen(QPen(separator_color, 1))
        painter.drawLine(separator_line)

        # draw arrow
        arrow = QPolygonF([QPointF(-3, -1.5), QPointF(0.5, 2.5), QPointF(4, -1.5)])
        if option.direction == Qt.LeftToRight:
            arrow.translate(-2, 1)
        else:
            arrow.translate(+2, 1)
        pen_thickness = 1.6

        painter.setRenderHint(QPainter.Antialiasing, True)
        painter.translate(arrow_rect.center())

        painter.translate(0, +1)
        painter.setPen(
            QPen(self.calc_light_color(background_color), pen_thickness, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin)
        )
        painter.drawPolyline(arrow)
        painter.translate(0, -1)
        painter.setPen(
            QPen(self.deco_color(background_color, text_color), pen_thickness, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin)
        )
        painter.drawPolyline(arrow)

        painter.restore()