def qwtDrawSvgSymbols(painter, points, numPoints, renderer, symbol): if renderer is None or not renderer.isValid(): return viewBox = QRectF(renderer.viewBoxF()) if viewBox.isEmpty(): return sz = QSizeF(symbol.size()) if not sz.isValid(): sz = viewBox.size() sx = sz.width()/viewBox.width() sy = sz.height()/viewBox.height() pinPoint = QPointF(viewBox.center()) if symbol.isPinPointEnabled(): pinPoint = symbol.pinPoint() dx = sx*(pinPoint.x()-viewBox.left()) dy = sy*(pinPoint.y()-viewBox.top()) for pos in points: x = pos.x()-dx y = pos.y()-dy renderer.render(painter, QRectF(x, y, sz.width(), sz.height()))
def qwtDrawSvgSymbols(painter, points, numPoints, renderer, symbol): if renderer is None or not renderer.isValid(): return viewBox = QRectF(renderer.viewBoxF()) if viewBox.isEmpty(): return sz = QSizeF(symbol.size()) if not sz.isValid(): sz = viewBox.size() sx = sz.width() / viewBox.width() sy = sz.height() / viewBox.height() pinPoint = QPointF(viewBox.center()) if symbol.isPinPointEnabled(): pinPoint = symbol.pinPoint() dx = sx * (pinPoint.x() - viewBox.left()) dy = sy * (pinPoint.y() - viewBox.top()) for pos in points: x = pos.x() - dx y = pos.y() - dy renderer.render(painter, QRectF(x, y, sz.width(), sz.height()))
def boundingRect(self): """ Calculate the bounding rectangle for a symbol at position (0,0). :return: Bounding rectangle """ rect = QRectF() pinPointTranslation = False if self.__data.style in (QwtSymbol.Ellipse, QwtSymbol.Rect, QwtSymbol.Hexagon): pw = 0. if self.__data.pen.style() != Qt.NoPen: pw = max([self.__data.pen.widthF(), 1.]) rect.setSize(self.__data.size+QSizeF(pw, pw)) rect.moveCenter(QPointF(0., 0.)) elif self.__data.style in (QwtSymbol.XCross, QwtSymbol.Diamond, QwtSymbol.Triangle, QwtSymbol.UTriangle, QwtSymbol.DTriangle, QwtSymbol.RTriangle, QwtSymbol.LTriangle, QwtSymbol.Star1, QwtSymbol.Star2): pw = 0. if self.__data.pen.style() != Qt.NoPen: pw = max([self.__data.pen.widthF(), 1.]) rect.setSize(QSizeF(self.__data.size)+QSizeF(2*pw, 2*pw)) rect.moveCenter(QPointF(0., 0.)) 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) rect = qwtScaleBoundingRect(self.__data.path.graphic, self.__data.size) pinPointTranslation = True elif self.__data.style == QwtSymbol.Pixmap: if self.__data.size.isEmpty(): rect.setSize(self.__data.pixmap.pixmap.size()) else: rect.setSize(self.__data.size) pinPointTranslation = True elif self.__data.style == QwtSymbol.Graphic: rect = qwtScaleBoundingRect(self.__data.graphic.graphic, self.__data.size) pinPointTranslation = True elif self.__data.style == QwtSymbol.SvgDocument: if self.__data.svg.renderer is not None: rect = self.__data.svg.renderer.viewBoxF() if self.__data.size.isValid() and not rect.isEmpty(): sz = QSizeF(rect.size()) sx = self.__data.size.width()/sz.width() sy = self.__data.size.height()/sz.height() transform = QTransform() transform.scale(sx, sy) rect = transform.mapRect(rect) pinPointTranslation = True else: rect.setSize(self.__data.size) rect.moveCenter(QPointF(0., 0.)) if pinPointTranslation: pinPoint = QPointF(0., 0.) if self.__data.isPinPointEnabled: pinPoint = rect.center()-self.__data.pinPoint rect.moveCenter(pinPoint) r = QRect() r.setLeft(np.floor(rect.left())) r.setTop(np.floor(rect.top())) r.setRight(np.floor(rect.right())) r.setBottom(np.floor(rect.bottom())) if self.__data.style != QwtSymbol.Pixmap: r.adjust(-1, -1, 1, 1) return r
def boundingRect(self): """ Calculate the bounding rectangle for a symbol at position (0,0). :return: Bounding rectangle """ rect = QRectF() pinPointTranslation = False if self.__data.style in (QwtSymbol.Ellipse, QwtSymbol.Rect, QwtSymbol.Hexagon): pw = 0. if self.__data.pen.style() != Qt.NoPen: pw = max([self.__data.pen.widthF(), 1.]) rect.setSize(self.__data.size + QSizeF(pw, pw)) rect.moveCenter(QPointF(0., 0.)) elif self.__data.style in (QwtSymbol.XCross, QwtSymbol.Diamond, QwtSymbol.Triangle, QwtSymbol.UTriangle, QwtSymbol.DTriangle, QwtSymbol.RTriangle, QwtSymbol.LTriangle, QwtSymbol.Star1, QwtSymbol.Star2): pw = 0. if self.__data.pen.style() != Qt.NoPen: pw = max([self.__data.pen.widthF(), 1.]) rect.setSize(QSizeF(self.__data.size) + QSizeF(2 * pw, 2 * pw)) rect.moveCenter(QPointF(0., 0.)) 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) rect = qwtScaleBoundingRect(self.__data.path.graphic, self.__data.size) pinPointTranslation = True elif self.__data.style == QwtSymbol.Pixmap: if self.__data.size.isEmpty(): rect.setSize(self.__data.pixmap.pixmap.size()) else: rect.setSize(self.__data.size) pinPointTranslation = True elif self.__data.style == QwtSymbol.Graphic: rect = qwtScaleBoundingRect(self.__data.graphic.graphic, self.__data.size) pinPointTranslation = True elif self.__data.style == QwtSymbol.SvgDocument: if self.__data.svg.renderer is not None: rect = self.__data.svg.renderer.viewBoxF() if self.__data.size.isValid() and not rect.isEmpty(): sz = QSizeF(rect.size()) sx = self.__data.size.width() / sz.width() sy = self.__data.size.height() / sz.height() transform = QTransform() transform.scale(sx, sy) rect = transform.mapRect(rect) pinPointTranslation = True else: rect.setSize(self.__data.size) rect.moveCenter(QPointF(0., 0.)) if pinPointTranslation: pinPoint = QPointF(0., 0.) if self.__data.isPinPointEnabled: pinPoint = rect.center() - self.__data.pinPoint rect.moveCenter(pinPoint) r = QRect() r.setLeft(np.floor(rect.left())) r.setTop(np.floor(rect.top())) r.setRight(np.floor(rect.right())) r.setBottom(np.floor(rect.bottom())) if self.__data.style != QwtSymbol.Pixmap: r.adjust(-1, -1, 1, 1) return r