Example usage for java.awt Rectangle isEmpty

Introduction

In this page you can find the example usage for java.awt Rectangle isEmpty.

Prototype

public boolean isEmpty() 

Source Link

Usage

From source file:Main.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    Rectangle r = new Rectangle(10, 10);

    g2.fill(r);//from   ww  w. j av a 2 s  .  c  om
    System.out.println(r.isEmpty());
}

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From source file:Main.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    Rectangle r = new Rectangle(new Dimension(10, 10));

    g2.fill(r);//from   w ww .  j  ava  2  s.  c  om
    System.out.println(r.isEmpty());
}

---

From source file:Main.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    Rectangle r = new Rectangle(new Point(10, 10));

    r.setSize(30, 30);/*from  w ww. j a  v a 2  s .  c  om*/

    g2.fill(r);

    System.out.println(r.isEmpty());
}

---

From source file:Main.java

public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    Rectangle r = new Rectangle();

    r.setLocation(new Point(20, 20));
    r.setSize(new Dimension(10, 10));

    g2.fill(r);/* ww  w .j a v  a  2  s . c  om*/
    System.out.println(r.isEmpty());

}

---

From source file:at.knowcenter.wag.egov.egiz.pdf.PDFPage.java

/**
 * Registers a rectangle that bounds the path currently being drawn.
 * // w w  w .  j  av  a  2s.  c  o m
 * @param bounds
 *            A rectangle depicting the bounds (coordinates originating from
 *            bottom left).
 * @author Datentechnik Innovation GmbH
 */
public void registerPathBounds(Rectangle bounds) {
    if (!bounds.isEmpty()) {
        logger.debug("Registering path bounds: " + bounds);

        // vertical start of rectangle (counting from top of page)
        float upperBoundYPositionFromTop;

        // vertical end of rectangle (counting from top of page)
        // this depicts the current end of path-related page content
        float lowerBoundYPositionFromTop;

        PDRectangle boundaryBox = this.getCurrentPage().findCropBox();

        if (boundaryBox == null) {
            boundaryBox = this.getCurrentPage().findMediaBox();
        }

        float pageHeight;

        switch (this.getCurrentPage().findRotation()) {
        case 90: // CW
            pageHeight = boundaryBox.getWidth();
            upperBoundYPositionFromTop = (float) bounds.getMinX();
            lowerBoundYPositionFromTop = (float) bounds.getMaxX();
            break;
        case 180:
            pageHeight = boundaryBox.getHeight();
            upperBoundYPositionFromTop = (float) bounds.getMinY();
            lowerBoundYPositionFromTop = (float) bounds.getMaxY();
            break;
        case 270: // CCW
            pageHeight = boundaryBox.getWidth();
            upperBoundYPositionFromTop = pageHeight - (float) bounds.getMaxX();
            lowerBoundYPositionFromTop = pageHeight - (float) bounds.getMinX();
            break;
        default:
            pageHeight = boundaryBox.getHeight();
            upperBoundYPositionFromTop = pageHeight - (float) bounds.getMaxY();
            lowerBoundYPositionFromTop = pageHeight - (float) bounds.getMinY();
            break;
        }

        // new maximum ?
        if (lowerBoundYPositionFromTop > maxPathRelatedYPositionFromTop) {
            // Is the rectangle (at least partly) located above the footer
            // line?
            // (effective page height := page height - footer line)
            if (upperBoundYPositionFromTop <= effectivePageHeight) {
                // yes: update current end of path-related page content
                maxPathRelatedYPositionFromTop = lowerBoundYPositionFromTop;
                logger.trace("New max path related y position (from top): " + maxPathRelatedYPositionFromTop);
            } else {
                // no: rectangle is fully located below the footer line ->
                // ignore
                logger.trace("Ignoring path bound below the footer line.");
            }
        }
    }
}

---

From source file:at.knowcenter.wag.egov.egiz.pdfbox2.pdf.PDFPage.java

/**
 * Registers a rectangle that bounds the path currently being drawn.
 * /*from   ww  w  . j a v a 2  s  . com*/
 * @param bounds
 *            A rectangle depicting the bounds (coordinates originating from
 *            bottom left).
 * @author Datentechnik Innovation GmbH
 */
public void registerPathBounds(Rectangle bounds) {
    if (!bounds.isEmpty()) {
        logger.debug("Registering path bounds: " + bounds);

        // vertical start of rectangle (counting from top of page)
        float upperBoundYPositionFromTop;

        // vertical end of rectangle (counting from top of page)
        // this depicts the current end of path-related page content
        float lowerBoundYPositionFromTop;

        PDRectangle boundaryBox = this.getCurrentPage().getCropBox();

        if (boundaryBox == null) {
            boundaryBox = this.getCurrentPage().getMediaBox();
        }

        float pageHeight;

        switch (this.getCurrentPage().getRotation()) {
        case 90: // CW
            pageHeight = boundaryBox.getWidth();
            upperBoundYPositionFromTop = (float) bounds.getMinX();
            lowerBoundYPositionFromTop = (float) bounds.getMaxX();
            break;
        case 180:
            pageHeight = boundaryBox.getHeight();
            upperBoundYPositionFromTop = (float) bounds.getMinY();
            lowerBoundYPositionFromTop = (float) bounds.getMaxY();
            break;
        case 270: // CCW
            pageHeight = boundaryBox.getWidth();
            upperBoundYPositionFromTop = pageHeight - (float) bounds.getMaxX();
            lowerBoundYPositionFromTop = pageHeight - (float) bounds.getMinX();
            break;
        default:
            pageHeight = boundaryBox.getHeight();
            upperBoundYPositionFromTop = pageHeight - (float) bounds.getMaxY();
            lowerBoundYPositionFromTop = pageHeight - (float) bounds.getMinY();
            break;
        }

        // new maximum ?
        if (lowerBoundYPositionFromTop > maxPathRelatedYPositionFromTop) {
            // Is the rectangle (at least partly) located above the footer
            // line?
            // (effective page height := page height - footer line)
            if (upperBoundYPositionFromTop <= effectivePageHeight) {
                // yes: update current end of path-related page content
                maxPathRelatedYPositionFromTop = lowerBoundYPositionFromTop;
                logger.trace("New max path related y position (from top): " + maxPathRelatedYPositionFromTop);
            } else {
                // no: rectangle is fully located below the footer line ->
                // ignore
                logger.trace("Ignoring path bound below the footer line.");
            }
        }
    }
}

---

From source file:org.esa.snap.rcp.statistics.ScatterPlotPanel.java

private void compute(final Mask selectedMask) {

    final RasterDataNode raster = getRaster();

    final AttributeDescriptor dataField = scatterPlotModel.dataField;
    if (raster == null || dataField == null) {
        return;/*from  ww w  .j  ava2 s.  c o m*/
    }

    SwingWorker<ComputedData[], Object> swingWorker = new SwingWorker<ComputedData[], Object>() {

        @Override
        protected ComputedData[] doInBackground() throws Exception {
            SystemUtils.LOG.finest("start computing scatter plot data");

            final List<ComputedData> computedDataList = new ArrayList<>();

            final FeatureCollection<SimpleFeatureType, SimpleFeature> collection = scatterPlotModel.pointDataSource
                    .getFeatureCollection();
            final SimpleFeature[] features = collection.toArray(new SimpleFeature[collection.size()]);

            final int boxSize = scatterPlotModel.boxSize;

            final Rectangle sceneRect = new Rectangle(raster.getRasterWidth(), raster.getRasterHeight());

            final GeoCoding geoCoding = raster.getGeoCoding();
            final AffineTransform imageToModelTransform;
            imageToModelTransform = Product.findImageToModelTransform(geoCoding);
            for (SimpleFeature feature : features) {
                final Point point = (Point) feature.getDefaultGeometryProperty().getValue();
                Point2D modelPos = new Point2D.Float((float) point.getX(), (float) point.getY());
                final Point2D imagePos = imageToModelTransform.inverseTransform(modelPos, null);

                if (!sceneRect.contains(imagePos)) {
                    continue;
                }
                final float imagePosX = (float) imagePos.getX();
                final float imagePosY = (float) imagePos.getY();
                final Rectangle imageRect = sceneRect.intersection(new Rectangle(
                        ((int) imagePosX) - boxSize / 2, ((int) imagePosY) - boxSize / 2, boxSize, boxSize));
                if (imageRect.isEmpty()) {
                    continue;
                }
                final double[] rasterValues = new double[imageRect.width * imageRect.height];
                raster.readPixels(imageRect.x, imageRect.y, imageRect.width, imageRect.height, rasterValues);

                final int[] maskBuffer = new int[imageRect.width * imageRect.height];
                Arrays.fill(maskBuffer, 1);
                if (selectedMask != null) {
                    selectedMask.readPixels(imageRect.x, imageRect.y, imageRect.width, imageRect.height,
                            maskBuffer);
                }

                final int centerIndex = imageRect.width * (imageRect.height / 2) + (imageRect.width / 2);
                if (maskBuffer[centerIndex] == 0) {
                    continue;
                }

                double sum = 0;
                double sumSqr = 0;
                int n = 0;
                boolean valid = false;

                for (int y = 0; y < imageRect.height; y++) {
                    for (int x = 0; x < imageRect.width; x++) {
                        final int index = y * imageRect.height + x;
                        if (raster.isPixelValid(x + imageRect.x, y + imageRect.y) && maskBuffer[index] != 0) {
                            final double rasterValue = rasterValues[index];
                            sum += rasterValue;
                            sumSqr += rasterValue * rasterValue;
                            n++;
                            valid = true;
                        }
                    }
                }

                if (!valid) {
                    continue;
                }

                double rasterMean = sum / n;
                double rasterSigma = n > 1 ? Math.sqrt((sumSqr - (sum * sum) / n) / (n - 1)) : 0.0;

                String localName = dataField.getLocalName();
                Number attribute = (Number) feature.getAttribute(localName);

                final Collection<org.opengis.feature.Property> featureProperties = feature.getProperties();

                final float correlativeData = attribute.floatValue();
                final GeoPos geoPos = new GeoPos();
                if (geoCoding.canGetGeoPos()) {
                    final PixelPos pixelPos = new PixelPos(imagePosX, imagePosY);
                    geoCoding.getGeoPos(pixelPos, geoPos);
                } else {
                    geoPos.setInvalid();
                }
                computedDataList.add(
                        new ComputedData(imagePosX, imagePosY, (float) geoPos.getLat(), (float) geoPos.getLon(),
                                (float) rasterMean, (float) rasterSigma, correlativeData, featureProperties));
            }

            return computedDataList.toArray(new ComputedData[computedDataList.size()]);
        }

        @Override
        public void done() {
            try {
                final ValueAxis xAxis = getPlot().getDomainAxis();
                final ValueAxis yAxis = getPlot().getRangeAxis();

                xAxis.setAutoRange(false);
                yAxis.setAutoRange(false);

                scatterpointsDataset.removeAllSeries();
                acceptableDeviationDataset.removeAllSeries();
                regressionDataset.removeAllSeries();
                getPlot().removeAnnotation(r2Annotation);
                computedDatas = null;

                final ComputedData[] data = get();
                if (data.length == 0) {
                    return;
                }

                computedDatas = data;

                final XYIntervalSeries scatterValues = new XYIntervalSeries(getCorrelativeDataName());
                for (ComputedData computedData : computedDatas) {
                    final float rasterMean = computedData.rasterMean;
                    final float rasterSigma = computedData.rasterSigma;
                    final float correlativeData = computedData.correlativeData;
                    scatterValues.add(correlativeData, correlativeData, correlativeData, rasterMean,
                            rasterMean - rasterSigma, rasterMean + rasterSigma);
                }

                computingData = true;
                scatterpointsDataset.addSeries(scatterValues);

                xAxis.setAutoRange(true);
                yAxis.setAutoRange(true);

                xAxis.setAutoRange(false);
                yAxis.setAutoRange(false);

                xAutoRangeAxisRange = new Range(xAxis.getLowerBound(), xAxis.getUpperBound());
                yAutoRangeAxisRange = new Range(yAxis.getLowerBound(), yAxis.getUpperBound());

                if (xAxisRangeControl.isAutoMinMax()) {
                    xAxisRangeControl.adjustComponents(xAxis, 3);
                } else {
                    xAxisRangeControl.adjustAxis(xAxis, 3);
                }
                if (yAxisRangeControl.isAutoMinMax()) {
                    yAxisRangeControl.adjustComponents(yAxis, 3);
                } else {
                    yAxisRangeControl.adjustAxis(yAxis, 3);
                }

                computeRegressionAndAcceptableDeviationData();
                computingData = false;
            } catch (InterruptedException | CancellationException e) {
                SystemUtils.LOG.log(Level.WARNING, "Failed to compute correlative plot.", e);
                Dialogs.showMessage(CHART_TITLE,
                        "Failed to compute correlative plot.\n" + "Calculation canceled.",
                        JOptionPane.ERROR_MESSAGE, null);
            } catch (ExecutionException e) {
                SystemUtils.LOG.log(Level.WARNING, "Failed to compute correlative plot.", e);
                Dialogs.showMessage(CHART_TITLE, "Failed to compute correlative plot.\n"
                        + "An error occurred:\n" + e.getCause().getMessage(), JOptionPane.ERROR_MESSAGE, null);
            }
        }
    };
    swingWorker.execute();
}

---

From source file:org.esa.beam.visat.toolviews.stat.ScatterPlotPanel.java

private void compute(final Mask selectedMask) {

    final RasterDataNode raster = getRaster();

    final AttributeDescriptor dataField = scatterPlotModel.dataField;
    if (raster == null || dataField == null) {
        return;// w ww.  j av  a 2s.c om
    }

    SwingWorker<ComputedData[], Object> swingWorker = new SwingWorker<ComputedData[], Object>() {

        @Override
        protected ComputedData[] doInBackground() throws Exception {
            BeamLogManager.getSystemLogger().finest("start computing scatter plot data");

            final List<ComputedData> computedDataList = new ArrayList<>();

            final FeatureCollection<SimpleFeatureType, SimpleFeature> collection = scatterPlotModel.pointDataSource
                    .getFeatureCollection();
            final SimpleFeature[] features = collection.toArray(new SimpleFeature[collection.size()]);

            final int boxSize = scatterPlotModel.boxSize;

            final Rectangle sceneRect = new Rectangle(raster.getSceneRasterWidth(),
                    raster.getSceneRasterHeight());

            final GeoCoding geoCoding = raster.getGeoCoding();
            final AffineTransform imageToModelTransform;
            imageToModelTransform = ImageManager.getImageToModelTransform(geoCoding);
            for (SimpleFeature feature : features) {
                final Point point = (Point) feature.getDefaultGeometryProperty().getValue();
                Point2D modelPos = new Point2D.Float((float) point.getX(), (float) point.getY());
                final Point2D imagePos = imageToModelTransform.inverseTransform(modelPos, null);

                if (!sceneRect.contains(imagePos)) {
                    continue;
                }
                final float imagePosX = (float) imagePos.getX();
                final float imagePosY = (float) imagePos.getY();
                final Rectangle imageRect = sceneRect.intersection(new Rectangle(
                        ((int) imagePosX) - boxSize / 2, ((int) imagePosY) - boxSize / 2, boxSize, boxSize));
                if (imageRect.isEmpty()) {
                    continue;
                }
                final double[] rasterValues = new double[imageRect.width * imageRect.height];
                raster.readPixels(imageRect.x, imageRect.y, imageRect.width, imageRect.height, rasterValues);

                final int[] maskBuffer = new int[imageRect.width * imageRect.height];
                Arrays.fill(maskBuffer, 1);
                if (selectedMask != null) {
                    selectedMask.readPixels(imageRect.x, imageRect.y, imageRect.width, imageRect.height,
                            maskBuffer);
                }

                final int centerIndex = imageRect.width * (imageRect.height / 2) + (imageRect.width / 2);
                if (maskBuffer[centerIndex] == 0) {
                    continue;
                }

                double sum = 0;
                double sumSqr = 0;
                int n = 0;
                boolean valid = false;

                for (int y = 0; y < imageRect.height; y++) {
                    for (int x = 0; x < imageRect.width; x++) {
                        final int index = y * imageRect.height + x;
                        if (raster.isPixelValid(x + imageRect.x, y + imageRect.y) && maskBuffer[index] != 0) {
                            final double rasterValue = rasterValues[index];
                            sum += rasterValue;
                            sumSqr += rasterValue * rasterValue;
                            n++;
                            valid = true;
                        }
                    }
                }

                if (!valid) {
                    continue;
                }

                double rasterMean = sum / n;
                double rasterSigma = n > 1 ? Math.sqrt((sumSqr - (sum * sum) / n) / (n - 1)) : 0.0;

                String localName = dataField.getLocalName();
                Number attribute = (Number) feature.getAttribute(localName);

                final Collection<org.opengis.feature.Property> featureProperties = feature.getProperties();

                final float correlativeData = attribute.floatValue();
                final GeoPos geoPos = new GeoPos();
                if (geoCoding.canGetGeoPos()) {
                    final PixelPos pixelPos = new PixelPos(imagePosX, imagePosY);
                    geoCoding.getGeoPos(pixelPos, geoPos);
                } else {
                    geoPos.setInvalid();
                }
                computedDataList.add(new ComputedData(imagePosX, imagePosY, geoPos.getLat(), geoPos.getLon(),
                        (float) rasterMean, (float) rasterSigma, correlativeData, featureProperties));
            }

            return computedDataList.toArray(new ComputedData[computedDataList.size()]);
        }

        @Override
        public void done() {
            try {
                final ValueAxis xAxis = getPlot().getDomainAxis();
                final ValueAxis yAxis = getPlot().getRangeAxis();

                xAxis.setAutoRange(false);
                yAxis.setAutoRange(false);

                scatterpointsDataset.removeAllSeries();
                acceptableDeviationDataset.removeAllSeries();
                regressionDataset.removeAllSeries();
                getPlot().removeAnnotation(r2Annotation);
                computedDatas = null;

                final ComputedData[] data = get();
                if (data.length == 0) {
                    return;
                }

                computedDatas = data;

                final XYIntervalSeries scatterValues = new XYIntervalSeries(getCorrelativeDataName());
                for (ComputedData computedData : computedDatas) {
                    final float rasterMean = computedData.rasterMean;
                    final float rasterSigma = computedData.rasterSigma;
                    final float correlativeData = computedData.correlativeData;
                    scatterValues.add(correlativeData, correlativeData, correlativeData, rasterMean,
                            rasterMean - rasterSigma, rasterMean + rasterSigma);
                }

                computingData = true;
                scatterpointsDataset.addSeries(scatterValues);

                xAxis.setAutoRange(true);
                yAxis.setAutoRange(true);

                xAxis.setAutoRange(false);
                yAxis.setAutoRange(false);

                xAutoRangeAxisRange = new Range(xAxis.getLowerBound(), xAxis.getUpperBound());
                yAutoRangeAxisRange = new Range(yAxis.getLowerBound(), yAxis.getUpperBound());

                if (xAxisRangeControl.isAutoMinMax()) {
                    xAxisRangeControl.adjustComponents(xAxis, 3);
                } else {
                    xAxisRangeControl.adjustAxis(xAxis, 3);
                }
                if (yAxisRangeControl.isAutoMinMax()) {
                    yAxisRangeControl.adjustComponents(yAxis, 3);
                } else {
                    yAxisRangeControl.adjustAxis(yAxis, 3);
                }

                computeRegressionAndAcceptableDeviationData();
                computingData = false;
            } catch (InterruptedException | CancellationException e) {
                BeamLogManager.getSystemLogger().log(Level.WARNING, "Failed to compute correlative plot.", e);
                JOptionPane.showMessageDialog(getParentDialogContentPane(),
                        "Failed to compute correlative plot.\n" + "Calculation canceled.",
                        /*I18N*/
                        CHART_TITLE, /*I18N*/
                        JOptionPane.ERROR_MESSAGE);
            } catch (ExecutionException e) {
                BeamLogManager.getSystemLogger().log(Level.WARNING, "Failed to compute correlative plot.", e);
                JOptionPane.showMessageDialog(getParentDialogContentPane(),
                        "Failed to compute correlative plot.\n" + "An error occurred:\n"
                                + e.getCause().getMessage(),
                        CHART_TITLE, /*I18N*/
                        JOptionPane.ERROR_MESSAGE);
            }
        }
    };
    swingWorker.execute();
}

---

From source file:org.esa.nest.dat.views.polarview.PolarCanvas.java

private static void paintComponents(Container c, Graphics g) {
    if (!c.isShowing())
        return;/*  w ww . j  a v a2  s .co  m*/

    final int ncomponents = c.getComponentCount();
    final Rectangle clip = g.getClipBounds();

    int i = ncomponents - 1;
    while (i >= 0) {
        final Component component[] = c.getComponents();
        final Component comp = component[i];
        if (comp == null || !comp.isVisible())
            continue;
        final Rectangle bounds = comp.getBounds();
        Rectangle cr;
        if (clip == null)
            cr = new Rectangle(bounds);
        else
            cr = bounds.intersection(clip);
        if (cr.isEmpty())
            continue;

        final Graphics cg = g.create();
        cg.setClip(cr);
        cg.translate(bounds.x, bounds.y);
        try {
            comp.paint(cg);
        } catch (Throwable e) {
            //
        }

        cg.dispose();
        i--;
    }
}

---

From source file:org.esa.s2tbx.dataio.jp2.internal.JP2TileOpImage.java

private void computeRectIndirect(WritableRaster dest, Rectangle destRect) {
    try {/* w  ww  .  j av a2s.  c om*/
        Path tile = decompressTile(tileIndex, getLevel());
        RenderedImage readTileImage = null;
        if (tile != null) {
            try (ImageReader imageReader = new ImageReader(tile)) {
                final DataBuffer dataBuffer = dest.getDataBuffer();
                int tileWidth = this.getTileWidth();
                int tileHeight = this.getTileHeight();
                final int fileTileX = destRect.x / tileLayout.tileWidth;
                final int fileTileY = destRect.y / tileLayout.tileHeight;
                int fileTileOriginX = destRect.x - fileTileX * tileLayout.tileWidth;
                int fileTileOriginY = destRect.y - fileTileY * tileLayout.tileHeight;
                Rectangle fileTileRect = tileDims.get(tile);
                if (fileTileRect == null) {
                    fileTileRect = new Rectangle(0, 0, imageReader.getImageWidth(),
                            imageReader.getImageHeight());
                    tileDims.put(tile, fileTileRect);
                }
                if (fileTileOriginX == 0 && tileLayout.tileWidth == tileWidth && fileTileOriginY == 0
                        && tileLayout.tileHeight == tileHeight
                        && tileWidth * tileHeight == dataBuffer.getSize()) {
                    readTileImage = imageReader.read();
                } else {
                    final Rectangle tileRect = new Rectangle(fileTileOriginX, fileTileOriginY, tileWidth,
                            tileHeight);
                    final Rectangle intersection = fileTileRect.intersection(tileRect);
                    if (!intersection.isEmpty()) {
                        readTileImage = imageReader.read(intersection);
                    }
                }
                if (readTileImage != null) {
                    Raster readBandRaster = readTileImage.getData().createChild(0, 0, readTileImage.getWidth(),
                            readTileImage.getHeight(), 0, 0, new int[] { bandIndex });
                    dest.setDataElements(dest.getMinX(), dest.getMinY(), readBandRaster);
                }
            } catch (IOException e) {
                logger.severe(e.getMessage());
            }
        }
    } catch (IOException e) {
        logger.severe(e.getMessage());
    }
}

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