Example #1
0
    def drawSymbol(self, painter, point_or_rect):
        """
        Draw the symbol into a rectangle

        The symbol is painted centered and scaled into the target rectangle.
        It is always painted uncached and the pin point is ignored.

        This method is primarily intended for drawing a symbol to the legend.

        :param QPainter painter: Painter
        :param point_or_rect: Position or target rectangle of the symbol in screen coordinates
        :type point_or_rect: QPointF or QPoint or QRectF
        """
        if isinstance(point_or_rect, (QPointF, QPoint)):
            # drawSymbol( QPainter *, const QPointF & )
            self.drawSymbols(painter, [point_or_rect])
            return
        # drawSymbol( QPainter *, const QRectF & )
        rect = point_or_rect
        assert isinstance(rect, QRectF)
        if self.__data.style == QwtSymbol.NoSymbol:
            return
        if self.__data.style == QwtSymbol.Graphic:
            self.__data.graphic.graphic.render(painter, rect,
                                               Qt.KeepAspectRatio)
        elif self.__data.style == QwtSymbol.Path:
            if self.__data.path.graphic.isNull():
                self.__data.path.graphic = qwtPathGraphic(
                    self.__data.path.path, self.__data.pen, self.__data.brush)
            self.__data.path.graphic.render(painter, rect, Qt.KeepAspectRatio)
            return
        elif self.__data.style == QwtSymbol.SvgDocument:
            if self.__data.svg.renderer is not None:
                scaledRect = QRectF()
                sz = QSizeF(self.__data.svg.renderer.viewBoxF().size())
                if not sz.isEmpty():
                    sz.scale(rect.size(), Qt.KeepAspectRatio)
                    scaledRect.setSize(sz)
                    scaledRect.moveCenter(rect.center())
                else:
                    scaledRect = rect
                self.__data.svg.renderer.render(painter, scaledRect)
        else:
            br = QRect(self.boundingRect())
            ratio = min(
                [rect.width() / br.width(),
                 rect.height() / br.height()])
            painter.save()
            painter.translate(rect.center())
            painter.scale(ratio, ratio)
            isPinPointEnabled = self.__data.isPinPointEnabled
            self.__data.isPinPointEnabled = False
            pos = QPointF()
            self.renderSymbols(painter, pos, 1)
            self.__data.isPinPointEnabled = isPinPointEnabled
            painter.restore()
Example #2
0
    def drawSymbol(self, painter, point_or_rect):
        """
        Draw the symbol into a rectangle

        The symbol is painted centered and scaled into the target rectangle.
        It is always painted uncached and the pin point is ignored.

        This method is primarily intended for drawing a symbol to the legend.

        :param QPainter painter: Painter
        :param point_or_rect: Position or target rectangle of the symbol in screen coordinates
        :type point_or_rect: QPointF or QPoint or QRectF
        """
        if isinstance(point_or_rect, (QPointF, QPoint)):
            # drawSymbol( QPainter *, const QPointF & )
            self.drawSymbols(painter, [point_or_rect])
            return
        # drawSymbol( QPainter *, const QRectF & )
        rect = point_or_rect
        assert isinstance(rect, QRectF)
        if self.__data.style == QwtSymbol.NoSymbol:
            return
        if self.__data.style == QwtSymbol.Graphic:
            self.__data.graphic.graphic.render(painter, rect,
                                               Qt.KeepAspectRatio)
        elif self.__data.style == QwtSymbol.Path:
            if self.__data.path.graphic.isNull():
                self.__data.path.graphic = qwtPathGraphic(
                    self.__data.path.path, self.__data.pen, self.__data.brush)
            self.__data.path.graphic.render(painter, rect, Qt.KeepAspectRatio)
            return
        elif self.__data.style == QwtSymbol.SvgDocument:
            if self.__data.svg.renderer is not None:
                scaledRect = QRectF()
                sz = QSizeF(self.__data.svg.renderer.viewBoxF().size())
                if not sz.isEmpty():
                    sz.scale(rect.size(), Qt.KeepAspectRatio)
                    scaledRect.setSize(sz)
                    scaledRect.moveCenter(rect.center())
                else:
                    scaledRect = rect
                self.__data.svg.renderer.render(painter, scaledRect)
        else:
            br = QRect(self.boundingRect())
            ratio = min([rect.width()/br.width(), rect.height()/br.height()])
            painter.save()
            painter.translate(rect.center())
            painter.scale(ratio, ratio)
            isPinPointEnabled = self.__data.isPinPointEnabled
            self.__data.isPinPointEnabled = False
            pos = QPointF()
            self.renderSymbols(painter, pos, 1)
            self.__data.isPinPointEnabled = isPinPointEnabled
            painter.restore()
Example #3
0
 def drawSymbol(self, painter, point_or_rect):
     if isinstance(point_or_rect, (QPointF, QPoint)):
         # drawSymbol( QPainter *, const QPointF & )
         self.drawSymbols(painter, [point_or_rect], 1)
         return
     # drawSymbol( QPainter *, const QRectF & )
     rect = point_or_rect
     assert isinstance(rect, QRectF)
     if self.__data.style == QwtSymbol.NoSymbol:
         return
     if self.__data.style == QwtSymbol.Graphic:
         self.__data.graphic.graphic.render(painter, rect,
                                            Qt.KeepAspectRatio)
     elif self.__data.style == QwtSymbol.Path:
         if self.__data.path.graphic.isNull():
             self.__data.path.graphic = qwtPathGraphic(
                 self.__data.path.path, self.__data.pen, self.__data.brush)
         self.__data.path.graphic.render(painter, rect, Qt.KeepAspectRatio)
         return
     elif self.__data.style == QwtSymbol.SvgDocument:
         if self.__data.svg.renderer is not None:
             scaledRect = QRectF()
             sz = QSizeF(self.__data.svg.renderer.viewBoxF().size())
             if not sz.isEmpty():
                 sz.scale(rect.size(), Qt.KeepAspectRatio)
                 scaledRect.setSize(sz)
                 scaledRect.moveCenter(rect.center())
             else:
                 scaledRect = rect
             self.__data.svg.renderer.render(painter, scaledRect)
     else:
         br = QRect(self.boundingRect())
         ratio = min([rect.width()/br.width(), rect.height()/br.height()])
         painter.save()
         painter.translate(rect.center())
         painter.scale(ratio, ratio)
         isPinPointEnabled = self.__data.isPinPointEnabled
         self.__data.isPinPointEnabled = False
         pos = QPointF()
         self.renderSymbols(painter, pos, 1)
         self.__data.isPinPointEnabled = isPinPointEnabled
         painter.restore()