def decorate_welcome_icon(icon, background_color): """Return a `QIcon` with a circle shaped background. """ welcome_icon = QIcon() sizes = [32, 48, 64, 80, 128, 256] background_color = NAMED_COLORS.get(background_color, background_color) background_color = QColor(background_color) grad = radial_gradient(background_color) for size in sizes: icon_size = QSize(5 * size / 8, 5 * size / 8) icon_rect = QRect(QPoint(0, 0), icon_size) pixmap = QPixmap(size, size) pixmap.fill(Qt.transparent) p = QPainter(pixmap) p.setRenderHint(QPainter.Antialiasing, True) p.setBrush(QBrush(grad)) p.setPen(Qt.NoPen) ellipse_rect = QRect(0, 0, size, size) p.drawEllipse(ellipse_rect) icon_rect.moveCenter(ellipse_rect.center()) icon.paint(p, icon_rect, Qt.AlignCenter, ) p.end() welcome_icon.addPixmap(pixmap) return welcome_icon
def splash_screen(): """ """ pm = QPixmap( pkg_resources.resource_filename( __name__, "icons/orange-splash-screen.png") ) version = QCoreApplication.applicationVersion() size = 21 if len(version) < 5 else 16 font = QFont("Helvetica") font.setPixelSize(size) font.setBold(True) font.setItalic(True) font.setLetterSpacing(QFont.AbsoluteSpacing, 2) metrics = QFontMetrics(font) br = metrics.boundingRect(version).adjusted(-5, 0, 5, 0) br.moveCenter(QPoint(436, 224)) p = QPainter(pm) p.setRenderHint(QPainter.Antialiasing) p.setRenderHint(QPainter.TextAntialiasing) p.setFont(font) p.setPen(QColor("#231F20")) p.drawText(br, Qt.AlignCenter, version) p.end() return pm, QRect(88, 193, 200, 20)
def paintEvent(self, e): """ :param e: :return: """ self._is_painting = True super(EventsWidget, self).paintEvent(e) painter = QPainter() painter.begin(self) painter.setRenderHint(QPainter.Antialiasing) painter.setFont(QFont('Decorative', 8)) slider_pos = self._scroll.sliderPosition() start = slider_pos * self._scale end = start + self.width() * self._scale for i, track in enumerate(self._tracks): if self._break_draw: break track.draw_events(painter, start, end, track_index=i, left_shift=-self._scroll.sliderPosition(), scale=self._scale) # Draw only from pixel start to end painter.setPen(QtCore.Qt.DashLine) painter.setOpacity(0.3) # print('Draw', start, end, self._scale, self._scroll.sliderPosition(), self.width()) # Draw vertical lines for x in range(start - (start % (100 * self._scale)), end, 100 * self._scale): x2draw = (x - slider_pos * self._scale) // self._scale painter.drawLine(x2draw, 20, x2draw, self.height()) string = str(x) boundtext = painter.boundingRect(QtCore.QRectF(), string) painter.drawText(x2draw - boundtext.width() / 2, 15, string) for index, track in enumerate(self._tracks): top = self.which_top(index) # print(top) painter.drawLine(0, top, self.width(), top) painter.drawText(10, top + 15, track.title) painter.setOpacity(1.0) self._pointer.draw(painter, left_shift=-slider_pos, scale=self._scale) # Draw the time pointer painter.end() self._break_draw = False self._is_painting = False
def paintEvent(self, event): """ Paint event :param event: """ super(TimelineWidget, self).paintEvent(event) painter = QPainter() painter.begin(self) painter.setRenderHint(QPainter.Antialiasing) painter.setFont(QFont('Decorative', 8)) # find the start and end X coordinate to draw start = self.scrollbar.sliderPosition() end = start + self.parent().width() + 50 # Draw graphs ########################################################## if len(self._graphs) > 0: painter.setPen(QtCore.Qt.black) middle = self.height() // 2 painter.setOpacity(0.1) painter.drawLine(start, middle, end, middle) for chart in self._graphs: chart.draw(painter, start, end, 0, self.height()) # End draw graph ####################################################### for track in self.tracks: track.draw_title(painter, start, end) self.__draw_track_lines(painter, start, end) if self._selected_track is not None: self._selected_track.draw_background(painter, start, end) for track in self.tracks: track.draw_events(painter, start, end) # Draw the selected element if self._selected != None: painter.setBrush(QColor(255, 0, 0)) self._selected.draw(painter, showvalues=True) # Draw the time pointer self._pointer.draw(painter, highlight=self._creating_event) painter.end() if not hasattr(self, '_is_refreshing'): self._is_refreshing = True self.update() else: del self._is_refreshing
def paintEvent(self, event): if self.__pixmap.isNull(): return sourcerect = QRect(QPoint(0, 0), self.__pixmap.size()) pixsize = QSizeF(self.__pixmap.size()) rect = self.contentsRect() pixsize.scale(QSizeF(rect.size()), Qt.KeepAspectRatio) targetrect = QRectF(QPointF(0, 0), pixsize) targetrect.moveCenter(QPointF(rect.center())) painter = QPainter(self) painter.setRenderHint(QPainter.SmoothPixmapTransform) painter.drawPixmap(targetrect, self.__pixmap, QRectF(sourcerect)) painter.end()
def paintEvent(self, event): if self.__pixmap.isNull(): return sourcerect = QRect(QPoint(0, 0), self.__pixmap.size()) pixsize = QSizeF(self.__pixmap.size()) rect = self.contentsRect() pixsize.scale(QSizeF(rect.size()), Qt.KeepAspectRatio) targetrect = QRectF(QPointF(0, 0), pixsize) targetrect.moveCenter(QPointF(rect.center())) painter = QPainter(self) painter.setRenderHint(QPainter.SmoothPixmapTransform) painter.drawPixmap(targetrect, self.__pixmap, QRectF(sourcerect)) painter.end()
def paintEvent(self, event): if self.__isTransparencySupported: opt = QStyleOption() opt.initFrom(self) rect = opt.rect p = QPainter(self) p.setRenderHint(QPainter.Antialiasing, True) p.setBrush(opt.palette.brush(QPalette.Window)) p.setPen(Qt.NoPen) p.drawRoundedRect(rect, self.__radius, self.__radius) p.end() else: StyledWidget_paintEvent(self, event)
def paintEvent(self, event): if self.__isTransparencySupported: opt = QStyleOption() opt.initFrom(self) rect = opt.rect p = QPainter(self) p.setRenderHint(QPainter.Antialiasing, True) p.setBrush(opt.palette.brush(QPalette.Window)) p.setPen(Qt.NoPen) p.drawRoundedRect(rect, self.__radius, self.__radius) p.end() else: StyledWidget_paintEvent(self, event)
def __updateMask(self): opt = QStyleOption() opt.initFrom(self) rect = opt.rect size = rect.size() mask = QBitmap(size) p = QPainter(mask) p.setRenderHint(QPainter.Antialiasing) p.setBrush(Qt.black) p.setPen(Qt.NoPen) p.drawRoundedRect(rect, self.__radius, self.__radius) p.end() self.setMask(mask)
def __updateMask(self): opt = QStyleOption() opt.initFrom(self) rect = opt.rect size = rect.size() mask = QBitmap(size) p = QPainter(mask) p.setRenderHint(QPainter.Antialiasing) p.setBrush(Qt.black) p.setPen(Qt.NoPen) p.drawRoundedRect(rect, self.__radius, self.__radius) p.end() self.setMask(mask)
def paintEvent(self, event): super().paintEvent(event) p = QPainter(self) p.setRenderHint(QPainter.Antialiasing) p.setBrush(self.indicator_color) p.save() p.setPen(Qt.NoPen) fm = QFontMetrics(self.font()) width = self.rect().width() height = fm.height() + 6 rect = QRectF(0, 0, width, height) p.drawRoundedRect(rect, 5, 5) p.restore() textstart = (width - fm.width(self.indicator_text)) / 2 p.drawText(textstart, height / 2 + 5, self.indicator_text)
def paint( self, painter: QPainter, option: QStyleOptionViewItem, index: QModelIndex ) -> None: opt = QStyleOptionViewItem(option) self.initStyleOption(opt, index) widget = option.widget style = QApplication.style() if widget is None else widget.style() self.__style = style text = opt.text opt.text = "" style.drawControl(QStyle.CE_ItemViewItem, opt, painter, widget) textrect = style.subElementRect( QStyle.SE_ItemViewItemText, opt, widget) ratio = self.barFillRatioData(index) if ratio is not None and 0. <= ratio <= 1.: color = self.barColorData(index) if color is None: color = self.color if not color.isValid(): color = opt.palette.color(QPalette.Foreground) rect = option.rect pw = self.penWidth hmargin = 3 + pw / 2 # + half pen width for the round line cap vmargin = 1 textoffset = pw + vmargin * 2 baseline = rect.bottom() - textoffset / 2 width = (rect.width() - 2 * hmargin) * ratio painter.save() painter.setRenderHint(QPainter.Antialiasing) pen = self.__pen pen.setColor(color) pen.setWidth(pw) painter.setPen(pen) line = self.__line left = rect.left() + hmargin line.setLine(left, baseline, left + width, baseline) painter.drawLine(line) painter.restore() textrect.adjust(0, 0, 0, -textoffset) opt.text = text self.drawViewItemText(style, painter, opt, textrect)
def splash_screen(): # type: () -> Tuple[QPixmap, QRect] """ Return a splash screen pixmap and an text area within it. The text area is used for displaying text messages during application startup. The default implementation returns a bland rectangle splash screen. Returns ------- t : Tuple[QPixmap, QRect] A QPixmap and a rect area within it. """ path = pkg_resources.resource_filename( __name__, "icons/orange-canvas-core-splash.svg") pm = QPixmap(path) version = QCoreApplication.applicationVersion() if version: version_parsed = LooseVersion(version) version_comp = version_parsed.version version = ".".join(map(str, version_comp[:2])) size = 21 if len(version) < 5 else 16 font = QFont() font.setPixelSize(size) font.setBold(True) font.setItalic(True) font.setLetterSpacing(QFont.AbsoluteSpacing, 2) metrics = QFontMetrics(font) br = metrics.boundingRect(version).adjusted(-5, 0, 5, 0) br.moveBottomRight(QPoint(pm.width() - 15, pm.height() - 15)) p = QPainter(pm) p.setRenderHint(QPainter.Antialiasing) p.setRenderHint(QPainter.TextAntialiasing) p.setFont(font) p.setPen(QColor("#231F20")) p.drawText(br, Qt.AlignCenter, version) p.end() textarea = QRect(15, 15, 170, 20) return pm, textarea
def splash_screen(): # type: () -> Tuple[QPixmap, QRect] """ Return a splash screen pixmap and an text area within it. The text area is used for displaying text messages during application startup. The default implementation returns a bland rectangle splash screen. Returns ------- t : Tuple[QPixmap, QRect] A QPixmap and a rect area within it. """ path = pkg_resources.resource_filename( __name__, "icons/orange-canvas-core-splash.svg") pm = QPixmap(path) version = QCoreApplication.applicationVersion() if version: version_parsed = LooseVersion(version) version_comp = version_parsed.version version = ".".join(map(str, version_comp[:2])) size = 21 if len(version) < 5 else 16 font = QFont() font.setPixelSize(size) font.setBold(True) font.setItalic(True) font.setLetterSpacing(QFont.AbsoluteSpacing, 2) metrics = QFontMetrics(font) br = metrics.boundingRect(version).adjusted(-5, 0, 5, 0) br.moveBottomRight(QPoint(pm.width() - 15, pm.height() - 15)) p = QPainter(pm) p.setRenderHint(QPainter.Antialiasing) p.setRenderHint(QPainter.TextAntialiasing) p.setFont(font) p.setPen(QColor("#231F20")) p.drawText(br, Qt.AlignCenter, version) p.end() textarea = QRect(15, 15, 170, 20) return pm, textarea
def export(self, filename=None): pw = QPdfWriter(filename) dpi = QApplication.desktop().logicalDpiX() pw.setResolution(dpi) pw.setPageMargins(QMarginsF(0, 0, 0, 0)) pw.setPageSizeMM(QSizeF(self.getTargetRect().size()) / dpi * 25.4) painter = QPainter(pw) try: self.setExportMode(True, {'antialias': True, 'background': self.background, 'painter': painter}) painter.setRenderHint(QPainter.Antialiasing, True) if QtCore.QT_VERSION >= 0x050D00: painter.setRenderHint(QPainter.LosslessImageRendering, True) self.getScene().render(painter, QRectF(self.getTargetRect()), QRectF(self.getSourceRect())) finally: self.setExportMode(False) painter.end()
def export(self, filename=None): from AnyQt.QtGui import QPdfWriter pw = QPdfWriter(filename) dpi = QDesktopWidget().logicalDpiX() pw.setResolution(dpi) pw.setPageMargins(QMarginsF(0, 0, 0, 0)) pw.setPageSizeMM(QSizeF(self.getTargetRect().size()) / dpi * 25.4) painter = QPainter(pw) try: self.setExportMode(True, {'antialias': True, 'background': self.background, 'painter': painter}) painter.setRenderHint(QPainter.Antialiasing, True) self.getScene().render(painter, QRectF(self.getTargetRect()), QRectF(self.getSourceRect())) finally: self.setExportMode(False) painter.end()
def export(self, filename=None): from AnyQt.QtGui import QPdfWriter pw = QPdfWriter(filename) dpi = QDesktopWidget().logicalDpiX() pw.setResolution(dpi) pw.setPageMargins(QMarginsF(0, 0, 0, 0)) pw.setPageSizeMM(QSizeF(self.getTargetRect().size()) / dpi * 25.4) painter = QPainter(pw) try: self.setExportMode( True, { 'antialias': True, 'background': self.background, 'painter': painter }) painter.setRenderHint(QPainter.Antialiasing, True) self.getScene().render(painter, QRectF(self.getTargetRect()), QRectF(self.getSourceRect())) finally: self.setExportMode(False) painter.end()
def splash_screen(): path = pkg_resources.resource_filename(__name__, "icons/tods-splash-screen.png") pm = QPixmap(path) version = pkg_resources.get_distribution("tods").version size = 18 if len(version) < 5 else 16 font = QFont("Helvetica") font.setPixelSize(size) font.setBold(True) font.setItalic(True) font.setLetterSpacing(QFont.AbsoluteSpacing, 2) metrics = QFontMetrics(font) br = metrics.boundingRect(version).adjusted(-5, 0, 5, 0) br.moveCenter(QPoint(440, 350)) p = QPainter(pm) p.setRenderHint(QPainter.Antialiasing) p.setRenderHint(QPainter.TextAntialiasing) p.setFont(font) p.setPen(QColor("#231F20")) p.drawText(br, Qt.AlignCenter, version) p.end() return pm, QRect(88, 193, 200, 20)
def paintEvent(self, e): super(TimelineWidget, self).paintEvent(e) painter = QPainter() painter.begin(self) painter.setRenderHint(QPainter.Antialiasing) painter.setFont(QFont('Decorative', 8)) start = self._scroll.horizontalScrollBar().sliderPosition() end = start + self.parent().width() + 50 # Draw graphs ########################################################## if len(self._charts) > 0: painter.setPen(QtCore.Qt.black) middle = self.height() // 2 painter.setOpacity(0.1) painter.drawLine(start, middle, end, middle) for chart in self._charts: chart.draw(painter, start, end, 0, self.height()) # End draw graph ####################################################### self.__drawTrackLines(painter, start, end) for track in self._tracks: track.drawPeriods(painter, start, end) # Draw the selected element if self._selected != None: painter.setBrush(QColor(255, 0, 0)) self._selected.draw(painter, showvalues=True) # Draw the time pointer self._pointer.draw(painter) painter.end()
def redraw_markers_overlay_image(self, *args, new_image=False): if not args and not self._drawing_args or self.data is None: return if args: self._drawing_args = args north, east, south, west, width, height, zoom, origin, map_pane_pos = self._drawing_args lat, lon = self._latlon_data.T visible = ((lat <= north) & (lat >= south) & (lon <= east) & (lon >= west)).nonzero()[0] in_subset = (np.in1d(self.data.ids, self._subset_ids) if self._subset_ids.size else np.tile(True, len(lon))) is_js_path = self.is_js_path = len(visible) < self.N_POINTS_PER_ITER self._update_legend(is_js_path) np.random.shuffle(visible) # Sort points in subset to be painted last visible = visible[np.lexsort((in_subset[visible],))] if is_js_path: self.evalJS('clear_markers_overlay_image()') self._update_js_markers(visible, in_subset[visible]) self._owwidget.disable_some_controls(False) return self.evalJS('clear_markers_js();') self._owwidget.disable_some_controls(True) selected = (self._selected_indices if self._selected_indices is not None else np.zeros(len(lat), dtype=bool)) cur = 0 im = QImage(self._overlay_image_path) if im.isNull() or self._prev_origin != origin or new_image: im = QImage(width, height, QImage.Format_ARGB32) im.fill(Qt.transparent) else: dx, dy = self._prev_map_pane_pos - map_pane_pos im = im.copy(dx, dy, width, height) self._prev_map_pane_pos = np.array(map_pane_pos) self._prev_origin = origin painter = QPainter(im) painter.setRenderHint(QPainter.Antialiasing, True) self.evalJS('clear_markers_overlay_image(); markersImageLayer.setBounds(map.getBounds());0') self._image_token = image_token = np.random.random() n_iters = np.ceil(len(visible) / self.N_POINTS_PER_ITER) def add_points(): nonlocal cur, image_token if image_token != self._image_token: return batch = visible[cur:cur + self.N_POINTS_PER_ITER] batch_lat = lat[batch] batch_lon = lon[batch] x, y = self.Projection.latlon_to_easting_northing(batch_lat, batch_lon) x, y = self.Projection.easting_northing_to_pixel(x, y, zoom, origin, map_pane_pos) if self._jittering: dx, dy = self._jittering_offsets[batch].T x, y = x + dx, y + dy colors = (self._colorgen.getRGB(self._scaled_color_values[batch]).tolist() if self._color_attr else repeat((0xff, 0, 0))) sizes = self._size_coef * \ (self._sizes[batch] if self._size_attr else np.tile(10, len(batch))) opacity_subset, opacity_rest = self._opacity, int(.8 * self._opacity) for x, y, is_selected, size, color, _in_subset in \ zip(x, y, selected[batch], sizes, colors, in_subset[batch]): pensize2, selpensize2 = (.35, 1.5) if size >= 5 else (.15, .7) pensize2 *= self._size_coef selpensize2 *= self._size_coef size2 = size / 2 if is_selected: painter.setPen(QPen(QBrush(Qt.green), 2 * selpensize2)) painter.drawEllipse(x - size2 - selpensize2, y - size2 - selpensize2, size + selpensize2, size + selpensize2) color = QColor(*color) if _in_subset: color.setAlpha(opacity_subset) painter.setBrush(QBrush(color)) painter.setPen(QPen(QBrush(color.darker(180)), 2 * pensize2)) else: color.setAlpha(opacity_rest) painter.setBrush(Qt.NoBrush) painter.setPen(QPen(QBrush(color.lighter(120)), 2 * pensize2)) painter.drawEllipse(x - size2 - pensize2, y - size2 - pensize2, size + pensize2, size + pensize2) im.save(self._overlay_image_path, 'PNG') self.evalJS('markersImageLayer.setUrl("{}#{}"); 0;' .format(self.toFileURL(self._overlay_image_path), np.random.random())) cur += self.N_POINTS_PER_ITER if cur < len(visible): QTimer.singleShot(10, add_points) self._owwidget.progressBarAdvance(100 / n_iters, None) else: self._owwidget.progressBarFinished(None) self._owwidget.progressBarFinished(None) self._owwidget.progressBarInit(None) QTimer.singleShot(10, add_points)
def redraw_markers_overlay_image(self, *args, new_image=False): if not args and not self._drawing_args or self.data is None: return if args: self._drawing_args = args north, east, south, west, width, height, zoom, origin, map_pane_pos = self._drawing_args lat, lon = self._latlon_data.T visible = ((lat <= north) & (lat >= south) & (lon <= east) & (lon >= west)).nonzero()[0] in_subset = (np.in1d(self.data.ids, self._subset_ids) if self._subset_ids.size else np.tile(True, len(lon))) is_js_path = self.is_js_path = len(visible) < self.N_POINTS_PER_ITER self._update_legend(is_js_path) np.random.shuffle(visible) # Sort points in subset to be painted last visible = visible[np.lexsort((in_subset[visible],))] if is_js_path: self.evalJS('clear_markers_overlay_image()') self._update_js_markers(visible, in_subset[visible]) self._owwidget.disable_some_controls(False) return self.evalJS('clear_markers_js();') self._owwidget.disable_some_controls(True) selected = (self._selected_indices if self._selected_indices is not None else np.zeros(len(lat), dtype=bool)) cur = 0 im = QImage(self._overlay_image_path) if im.isNull() or self._prev_origin != origin or new_image: im = QImage(width, height, QImage.Format_ARGB32) im.fill(Qt.transparent) else: dx, dy = self._prev_map_pane_pos - map_pane_pos im = im.copy(dx, dy, width, height) self._prev_map_pane_pos = np.array(map_pane_pos) self._prev_origin = origin painter = QPainter(im) painter.setRenderHint(QPainter.Antialiasing, True) self.evalJS('clear_markers_overlay_image(); markersImageLayer.setBounds(map.getBounds());0') self._image_token = image_token = np.random.random() n_iters = np.ceil(len(visible) / self.N_POINTS_PER_ITER) def add_points(): nonlocal cur, image_token if image_token != self._image_token: return batch = visible[cur:cur + self.N_POINTS_PER_ITER] batch_lat = lat[batch] batch_lon = lon[batch] x, y = self.Projection.latlon_to_easting_northing(batch_lat, batch_lon) x, y = self.Projection.easting_northing_to_pixel(x, y, zoom, origin, map_pane_pos) if self._jittering: dx, dy = self._jittering_offsets[batch].T x, y = x + dx, y + dy colors = (self._colorgen.getRGB(self._scaled_color_values[batch]).tolist() if self._color_attr else repeat((0xff, 0, 0))) sizes = self._size_coef * \ (self._sizes[batch] if self._size_attr else np.tile(10, len(batch))) opacity_subset, opacity_rest = self._opacity, int(.8 * self._opacity) for x, y, is_selected, size, color, _in_subset in \ zip(x, y, selected[batch], sizes, colors, in_subset[batch]): pensize2, selpensize2 = (.35, 1.5) if size >= 5 else (.15, .7) pensize2 *= self._size_coef selpensize2 *= self._size_coef size2 = size / 2 if is_selected: painter.setPen(QPen(QBrush(Qt.green), 2 * selpensize2)) painter.drawEllipse(x - size2 - selpensize2, y - size2 - selpensize2, size + selpensize2, size + selpensize2) color = QColor(*color) if _in_subset: color.setAlpha(opacity_subset) painter.setBrush(QBrush(color)) painter.setPen(QPen(QBrush(color.darker(180)), 2 * pensize2)) else: color.setAlpha(opacity_rest) painter.setBrush(Qt.NoBrush) painter.setPen(QPen(QBrush(color.lighter(120)), 2 * pensize2)) painter.drawEllipse(x - size2 - pensize2, y - size2 - pensize2, size + pensize2, size + pensize2) im.save(self._overlay_image_path, 'PNG') self.evalJS('markersImageLayer.setUrl("{}#{}"); 0;' .format(self.toFileURL(self._overlay_image_path), np.random.random())) cur += self.N_POINTS_PER_ITER if cur < len(visible): QTimer.singleShot(10, add_points) self._owwidget.progressBarAdvance(100 / n_iters, None) else: self._owwidget.progressBarFinished(None) self._image_token = None self._owwidget.progressBarFinished(None) self._owwidget.progressBarInit(None) QTimer.singleShot(10, add_points)
def redraw_markers_overlay_image(self, *args, new_image=False): if (not args and not self._drawing_args or self.lat_attr is None or self.lon_attr is None): return if args: self._drawing_args = args north, east, south, west, width, height, zoom, origin, map_pane_pos = self._drawing_args lat = self.data.get_column_view(self.lat_attr)[0] lon = self.data.get_column_view(self.lon_attr)[0] visible = ((lat <= north) & (lat >= south) & (lon <= east) & (lon >= west)).nonzero()[0] is_js_path = len(visible) <= 500 self.evalJS(''' window.legend_colors = %s; window.legend_shapes = %s; window.legend_sizes = %s; legendControl.remove(); legendControl.addTo(map); ''' % (self._legend_colors, self._legend_shapes if is_js_path else [], self._legend_sizes)) if is_js_path: self.evalJS('clear_markers_overlay_image()') self._update_js_markers(visible) self._owwidget.disable_some_controls(False) return self.evalJS('clear_markers_js();') self._owwidget.disable_some_controls(True) np.random.shuffle(visible) selected = (self._selected_indices if self._selected_indices is not None else np.zeros(len(lat), dtype=bool)) N_POINTS_PER_ITER = 1000 cur = 0 im = QImage(self._overlay_image_path) if im.isNull() or self._prev_origin != origin or new_image: im = QImage(width, height, QImage.Format_ARGB32) im.fill(Qt.transparent) else: dx, dy = self._prev_map_pane_pos - map_pane_pos im = im.copy(dx, dy, width, height) self._prev_map_pane_pos = np.array(map_pane_pos) self._prev_origin = origin painter = QPainter(im) painter.setRenderHint(QPainter.Antialiasing, True) self.evalJS( 'clear_markers_overlay_image(); markersImageLayer.setBounds(map.getBounds());0' ) self._image_token = image_token = np.random.random() n_iters = np.ceil(len(visible) / N_POINTS_PER_ITER) def add_points(): nonlocal cur, image_token if image_token != self._image_token: return batch = visible[cur:cur + N_POINTS_PER_ITER] batch_lat = lat[batch] batch_lon = lon[batch] batch_selected = selected[batch] x, y = self.Projection.latlon_to_easting_northing( batch_lat, batch_lon) x, y = self.Projection.easting_northing_to_pixel( x, y, zoom, origin, map_pane_pos) if self._jittering: x += (np.random.random(len(x)) - .5) * (self._jittering * width) y += (np.random.random(len(x)) - .5) * (self._jittering * height) colors = (self._colorgen.getRGB( self._scaled_color_values[batch]).tolist() if self._color_attr else repeat((0xff, 0, 0))) sizes = self._sizes[batch] if self._size_attr else repeat(10) zipped = zip(x, y, batch_selected, sizes, colors) sortkey, penkey, sizekey, brushkey = itemgetter( 2, 3, 4), itemgetter(2), itemgetter(3), itemgetter(4) for is_selected, points in groupby(sorted(zipped, key=sortkey), key=penkey): for size, points in groupby(points, key=sizekey): pensize, pencolor = ((3, Qt.green) if is_selected else (.7, QColor(0, 0, 0, self._opacity))) size *= self._size_coef if size < 5: pensize /= 3 size += pensize size2 = size / 2 painter.setPen(Qt.NoPen if size < 5 and not is_selected else QPen(QBrush(pencolor), pensize)) for color, points in groupby(points, key=brushkey): color = tuple(color) + (self._opacity, ) painter.setBrush(QBrush(QColor(*color))) for x, y, *_ in points: painter.drawEllipse(x - size2, y - size2, size, size) im.save(self._overlay_image_path, 'PNG') self.evalJS('markersImageLayer.setUrl("{}#{}"); 0;'.format( self._overlay_image_path, np.random.random())) cur += N_POINTS_PER_ITER if cur < len(visible): QTimer.singleShot(10, add_points) self._owwidget.progressBarAdvance(100 / n_iters, None) else: self._owwidget.progressBarFinished(None) self._owwidget.progressBarFinished(None) self._owwidget.progressBarInit(None) QTimer.singleShot(10, add_points)