Examples with MeasurementMapper qupath.lib.gui.tools.MeasurementMapper used on opensource projects

Example 1 with MeasurementMapper

use of qupath.lib.gui.tools.MeasurementMapper in project qupath by qupath.

the class PathHierarchyPaintingHelper method paintObject.

/**
 * Paint an object (or, more precisely, its ROI), optionally along with the ROIs of any child objects.
 *
 * This is subject to the OverlayOptions, and therefore may not actually end up painting anything
 * (if the settings are such that objects of the class provided are not to be displayed)
 *
 * @param pathObject
 * @param paintChildren
 * @param g
 * @param boundsDisplayed
 * @param overlayOptions
 * @param selectionModel
 * @param downsample
 * @return true if anything was painted, false otherwise
 */
public static boolean paintObject(PathObject pathObject, boolean paintChildren, Graphics2D g, Rectangle boundsDisplayed, OverlayOptions overlayOptions, PathObjectSelectionModel selectionModel, double downsample) {
    if (pathObject == null)
        return false;
    // g.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED);
    // g.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
    // Always paint the selected object
    // Note: this makes the assumption that child ROIs are completely contained within their parents;
    // this probably should be the case, but isn't guaranteed
    boolean isSelected = (selectionModel != null && selectionModel.isSelected(pathObject)) && (PathPrefs.useSelectedColorProperty().get() || !PathObjectTools.hasPointROI(pathObject));
    boolean isDetectedObject = pathObject.isDetection() || (pathObject.isTile() && pathObject.hasMeasurements());
    // Check if the PathClass isn't being shown
    PathClass pathClass = pathObject.getPathClass();
    if (!isSelected && overlayOptions != null && overlayOptions.isPathClassHidden(pathClass))
        return false;
    boolean painted = false;
    // See if we need to check the children
    ROI pathROI = pathObject.getROI();
    if (pathROI != null) {
        double roiBoundsX = pathROI.getBoundsX();
        double roiBoundsY = pathROI.getBoundsY();
        double roiBoundsWidth = pathROI.getBoundsWidth();
        double roiBoundsHeight = pathROI.getBoundsHeight();
        if (PathObjectTools.hasPointROI(pathObject) || boundsDisplayed == null || pathROI instanceof LineROI || boundsDisplayed.intersects(roiBoundsX, roiBoundsY, Math.max(roiBoundsWidth, 1), Math.max(roiBoundsHeight, 1))) {
            // Paint the ROI, if necessary
            if (isSelected || (overlayOptions.getShowDetections() && isDetectedObject) || (overlayOptions.getShowAnnotations() && pathObject.isAnnotation()) || (overlayOptions.getShowTMAGrid() && pathObject.isTMACore())) {
                boolean doFill = overlayOptions.getFillDetections() || pathObject instanceof ParallelTileObject;
                boolean doOutline = true;
                Color color = null;
                boolean useMapper = false;
                double fillOpacity = .75;
                if (isSelected && PathPrefs.useSelectedColorProperty().get() && PathPrefs.colorSelectedObjectProperty().getValue() != null)
                    color = ColorToolsAwt.getCachedColor(PathPrefs.colorSelectedObjectProperty().get());
                else {
                    MeasurementMapper mapper = overlayOptions.getMeasurementMapper();
                    useMapper = mapper != null && mapper.isValid() && pathObject.isDetection();
                    if (useMapper) {
                        if (pathObject.hasMeasurements()) {
                            Integer rgb = mapper.getColorForObject(pathObject);
                            // If the mapper returns null, the object shouldn't be painted
                            if (rgb == null)
                                return false;
                            // , mapper.getColorMapper().hasAlpha());
                            color = ColorToolsAwt.getCachedColor(rgb);
                        } else
                            color = null;
                        // System.out.println(color + " - " + pathObject.getMeasurementList().getMeasurementValue(mapper.));
                        fillOpacity = 1.0;
                        // Outlines are not so helpful with the measurement mapper
                        if (doFill)
                            doOutline = doOutline && !pathObject.isTile();
                    } else {
                        Integer rgb = ColorToolsFX.getDisplayedColorARGB(pathObject);
                        color = ColorToolsAwt.getCachedColor(rgb);
                    }
                // color = PathObjectHelpers.getDisplayedColor(pathObject);
                }
                // Check if we have only one or two pixels to draw - if so, we can be done quickly
                if (isDetectedObject && downsample > 4 && roiBoundsWidth / downsample < 3 && roiBoundsHeight / downsample < 3) {
                    int x = (int) roiBoundsX;
                    int y = (int) roiBoundsY;
                    // Prefer rounding up, lest we lose a lot of regions unnecessarily
                    int w = (int) (roiBoundsWidth + .9);
                    int h = (int) (roiBoundsHeight + .9);
                    if (w > 0 && h > 0) {
                        g.setColor(color);
                        // g.setColor(DisplayHelpers.getMoreTranslucentColor(color));
                        // g.setStroke(getCachedStroke(overlayOptions.strokeThinThicknessProperty().get()));
                        g.fillRect(x, y, w, h);
                    }
                    painted = true;
                } else {
                    Stroke stroke = null;
                    // Decide whether to fill or not
                    Color colorFill = doFill && (isDetectedObject || PathObjectTools.hasPointROI(pathObject)) ? color : null;
                    if (colorFill != null && fillOpacity != 1) {
                        if (pathObject instanceof ParallelTileObject)
                            colorFill = ColorToolsAwt.getMoreTranslucentColor(colorFill);
                        else if (pathObject instanceof PathCellObject && overlayOptions.getShowCellBoundaries() && overlayOptions.getShowCellNuclei()) {
                            // if (isSelected)
                            // colorFill = ColorToolsAwt.getTranslucentColor(colorFill);
                            // else
                            colorFill = ColorToolsAwt.getMoreTranslucentColor(colorFill);
                        } else if (pathObject.getParent() instanceof PathDetectionObject) {
                            colorFill = ColorToolsAwt.getTranslucentColor(colorFill);
                        } else if (pathObject instanceof PathTileObject && pathClass == null && color != null && color.getRGB() == PathPrefs.colorTileProperty().get()) {
                            // Don't fill in empty, unclassified tiles
                            // DisplayHelpers.getMoreTranslucentColor(colorFill);
                            colorFill = null;
                        }
                    }
                    // Color colorStroke = doOutline ? (colorFill == null ? color : (downsample > overlayOptions.strokeThinThicknessProperty().get() ? null : DisplayHelpers.darkenColor(color))) : null;
                    Color colorStroke = doOutline ? (colorFill == null ? color : ColorToolsAwt.darkenColor(color)) : null;
                    // For thick lines, antialiasing is very noticeable... less so for thin lines (of which there may be a huge number)
                    if (isDetectedObject) {
                        // Detections inside detections get half the line width
                        if (pathObject.getParent() instanceof PathDetectionObject)
                            stroke = getCachedStroke(PathPrefs.detectionStrokeThicknessProperty().get() / 2.0);
                        else
                            stroke = getCachedStroke(PathPrefs.detectionStrokeThicknessProperty().get());
                    } else {
                        double thicknessScale = downsample * (isSelected && !PathPrefs.useSelectedColorProperty().get() ? 1.6 : 1);
                        float thickness = (float) (PathPrefs.annotationStrokeThicknessProperty().get() * thicknessScale);
                        if (isSelected && pathObject.getParent() == null && PathPrefs.selectionModeProperty().get()) {
                            stroke = getCachedStrokeDashed(thickness);
                        } else {
                            stroke = getCachedStroke(thickness);
                        }
                    }
                    g.setStroke(stroke);
                    boolean paintSymbols = overlayOptions.getDetectionDisplayMode() == DetectionDisplayMode.CENTROIDS && pathObject.isDetection() && !pathObject.isTile();
                    if (paintSymbols) {
                        pathROI = PathObjectTools.getROI(pathObject, true);
                        double x = pathROI.getCentroidX();
                        double y = pathROI.getCentroidY();
                        double radius = PathPrefs.detectionStrokeThicknessProperty().get() * 2.0;
                        if (pathObject.getParent() instanceof PathDetectionObject)
                            radius /= 2.0;
                        Shape shape;
                        int nSubclasses = 0;
                        if (pathClass != null) {
                            nSubclasses = PathClassTools.splitNames(pathClass).size();
                        }
                        switch(nSubclasses) {
                            case 0:
                                var ellipse = localEllipse2D.get();
                                ellipse.setFrame(x - radius, y - radius, radius * 2, radius * 2);
                                shape = ellipse;
                                break;
                            case 1:
                                var rect = localRect2D.get();
                                rect.setFrame(x - radius, y - radius, radius * 2, radius * 2);
                                shape = rect;
                                break;
                            case 2:
                                var triangle = localPath2D.get();
                                double sqrt3 = Math.sqrt(3.0);
                                triangle.reset();
                                triangle.moveTo(x, y - radius * 2.0 / sqrt3);
                                triangle.lineTo(x - radius, y + radius / sqrt3);
                                triangle.lineTo(x + radius, y + radius / sqrt3);
                                triangle.closePath();
                                shape = triangle;
                                break;
                            case 3:
                                var plus = localPath2D.get();
                                plus.reset();
                                plus.moveTo(x, y - radius);
                                plus.lineTo(x, y + radius);
                                plus.moveTo(x - radius, y);
                                plus.lineTo(x + radius, y);
                                shape = plus;
                                break;
                            default:
                                var cross = localPath2D.get();
                                cross.reset();
                                radius /= Math.sqrt(2);
                                cross.moveTo(x - radius, y - radius);
                                cross.lineTo(x + radius, y + radius);
                                cross.moveTo(x + radius, y - radius);
                                cross.lineTo(x - radius, y + radius);
                                shape = cross;
                                break;
                        }
                        paintShape(shape, g, colorStroke, stroke, colorFill);
                    } else if (pathObject instanceof PathCellObject) {
                        PathCellObject cell = (PathCellObject) pathObject;
                        if (overlayOptions.getShowCellBoundaries())
                            paintROI(pathROI, g, colorStroke, stroke, colorFill, downsample);
                        if (overlayOptions.getShowCellNuclei())
                            paintROI(cell.getNucleusROI(), g, colorStroke, stroke, colorFill, downsample);
                        painted = true;
                    } else {
                        if ((overlayOptions.getFillAnnotations() && pathObject.isAnnotation() && pathObject.getPathClass() != PathClassFactory.getPathClass(StandardPathClasses.REGION) && (pathObject.getPathClass() != null || !pathObject.hasChildren())) || (pathObject.isTMACore() && overlayOptions.getShowTMACoreLabels()))
                            paintROI(pathROI, g, colorStroke, stroke, ColorToolsAwt.getMoreTranslucentColor(colorStroke), downsample);
                        else
                            paintROI(pathROI, g, colorStroke, stroke, colorFill, downsample);
                        painted = true;
                    }
                }
            }
        }
    }
    // Paint the children, if necessary
    if (paintChildren) {
        for (PathObject childObject : pathObject.getChildObjectsAsArray()) {
            // Only call the painting method if required
            ROI childROI = childObject.getROI();
            if ((childROI != null && boundsDisplayed.intersects(childROI.getBoundsX(), childROI.getBoundsY(), childROI.getBoundsWidth(), childROI.getBoundsHeight())) || childObject.hasChildren())
                painted = paintObject(childObject, paintChildren, g, boundsDisplayed, overlayOptions, selectionModel, downsample) | painted;
        }
    }
    return painted;
}

Example 2 with MeasurementMapper

use of qupath.lib.gui.tools.MeasurementMapper in project qupath by qupath.

the class MeasurementMapPane method showMap.

private void showMap() {
    String measurement = listMeasurements.getSelectionModel().getSelectedItem();
    QuPathViewer viewer = qupath.getViewer();
    if (viewer == null || measurement == null)
        return;
    // Reuse mappers if we can
    mapper = mapperMap.get(measurement);
    var colorMapper = selectedColorMap.getValue();
    if (mapper == null) {
        mapper = new MeasurementMapper(colorMapper, measurement, viewer.getHierarchy().getObjects(null, null));
        if (mapper.isValid())
            mapperMap.put(measurement, mapper);
    } else if (colorMapper != null) {
        mapper.setColorMapper(colorMapper);
    }
    if (mapper != null && mapper.isValid()) {
        updatingSliders = true;
        sliderMin.setMin(Math.min(mapper.getDataMinValue(), mapper.getDisplayMinValue()));
        sliderMin.setMax(Math.max(mapper.getDataMaxValue(), mapper.getDisplayMaxValue()));
        sliderMin.setValue(mapper.getDisplayMinValue());
        sliderMin.setBlockIncrement((sliderMin.getMax() - sliderMin.getMin()) / 100);
        sliderMax.setMin(Math.min(mapper.getDataMinValue(), mapper.getDisplayMinValue()));
        sliderMax.setMax(Math.max(mapper.getDataMaxValue(), mapper.getDisplayMaxValue()));
        sliderMax.setValue(mapper.getDisplayMaxValue());
        sliderMax.setBlockIncrement((sliderMax.getMax() - sliderMax.getMin()) / 100);
        updatingSliders = false;
    }
    colorMapKeyImage = createPanelKey(mapper.getColorMapper());
    updateColorMapperKey();
    mapper.setExcludeOutsideRange(cbExcludeOutside.isSelected());
    viewer.forceOverlayUpdate();
    updateMapperBrightnessContrast();
    OverlayOptions overlayOptions = viewer.getOverlayOptions();
    if (overlayOptions != null)
        overlayOptions.setMeasurementMapper(mapper);
}