Example usage for java.awt Graphics2D dispose

List of usage examples for java.awt Graphics2D dispose

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Introduction

In this page you can find the example usage for java.awt Graphics2D dispose.

Prototype

public abstract void dispose();

Source Link

Document

Disposes of this graphics context and releases any system resources that it is using.

Usage

From source file:org.eurocarbdb.application.glycoworkbench.plugin.SpectraPanel.java

public void mouseReleased(MouseEvent e) {
    if (MouseUtils.isPopupTrigger(e)) {
        // clear all
        if (zoom_rectangle != null) {
            Graphics2D g2 = (Graphics2D) getGraphics();
            g2.setXORMode(java.awt.Color.gray);
            g2.draw(zoom_rectangle);//from   ww  w. j a  v a2s  .  c  o  m
            g2.dispose();
        }
        mouse_start_point = null;
        zoom_rectangle = null;

        // open popup
        current_peak = findPeakAt(e.getPoint());
        enforceSelection(current_peak);
        createPopupMenu(current_peak != null).show(theChartPanel, e.getX(), e.getY());
    } else {
        if (zoom_rectangle != null && mouse_start_point != null) {
            if (Math.abs(e.getX() - mouse_start_point.getX()) > 10) {
                //if( e.getX() < mouse_start_point.getX() ) {
                // unzoom all
                //    onZoomNone();
                //}
                //else {        

                // zoom area           
                double start_x = Math.min(e.getX(), mouse_start_point.getX());
                double end_x = Math.max(e.getX(), mouse_start_point.getX());

                Rectangle2D data_area = theChartPanel.getScreenDataArea((int) start_x,
                        (int) mouse_start_point.getY());

                double new_lower_bound = screenToDataCoordX(start_x);
                double new_upper_bound = screenToDataCoordX(Math.min(end_x, data_area.getMaxX()));
                thePlot.getDomainAxis().setRange(new Range(new_lower_bound, new_upper_bound));
            } else {
                // clear rectangle
                Graphics2D g2 = (Graphics2D) getGraphics();
                g2.setXORMode(java.awt.Color.gray);
                g2.draw(zoom_rectangle);
                g2.dispose();
            }
        }

        // restore zooming
        if (!was_moving && is_moving)
            onActivateZooming();

        zoom_rectangle = null;
        mouse_start_point = null;
    }
}

From source file:net.sf.jasperreports.swing.JRViewerPanel.java

protected void paintPage(Graphics2D grx) {
    if (pageError) {
        paintPageError(grx);/*w  w  w.  j a v a 2 s .  com*/
        return;
    }

    try {
        if (exporter == null) {
            exporter = getGraphics2DExporter();
        } else {
            exporter.reset();
        }

        exporter.setExporterInput(new SimpleExporterInput(viewerContext.getJasperPrint()));

        SimpleGraphics2DReportConfiguration configuration = new SimpleGraphics2DReportConfiguration();
        configuration.setPageIndex(viewerContext.getPageIndex());
        configuration.setZoomRatio(realZoom);
        configuration.setOffsetX(1); //lblPage border
        configuration.setOffsetY(1);
        exporter.setConfiguration(configuration);

        SimpleGraphics2DExporterOutput output = new SimpleGraphics2DExporterOutput();
        Graphics2D g = (Graphics2D) grx.create();
        output.setGraphics2D(g);
        exporter.setExporterOutput(output);

        try {
            exporter.exportReport();
        } finally {
            g.dispose();
        }
    } catch (Exception e) {
        if (log.isErrorEnabled()) {
            log.error("Page paint error.", e);
        }

        pageError = true;

        paintPageError(grx);
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                JOptionPane.showMessageDialog(JRViewerPanel.this,
                        viewerContext.getBundleString("error.displaying"));
            }
        });
    }

}

From source file:org.gvsig.remotesensing.scatterplot.chart.ScatterPlotDiagram.java

/**
 * Handles a 'mouse released' event.  On Windows, we need to check if this 
 * is a popup trigger, but only if we haven't already been tracking a zoom
 * rectangle./*from   www .  j  a  va2  s  . co m*/
 *
 * @param e  information about the event.
 */
public void mouseReleased(MouseEvent e) {

    if (this.zoomRectangle != null) {
        boolean hZoom = false;
        boolean vZoom = false;
        if (this.orientation == PlotOrientation.HORIZONTAL) {
            hZoom = this.rangeZoomable;
            vZoom = this.domainZoomable;
        } else {
            hZoom = this.domainZoomable;
            vZoom = this.rangeZoomable;
        }

        boolean zoomTrigger1 = hZoom && Math.abs(e.getX() - this.zoomPoint.getX()) >= this.zoomTriggerDistance;
        boolean zoomTrigger2 = vZoom && Math.abs(e.getY() - this.zoomPoint.getY()) >= this.zoomTriggerDistance;
        if (zoomTrigger1 || zoomTrigger2) {
            if ((hZoom && (e.getX() < this.zoomPoint.getX()))
                    || (vZoom && (e.getY() < this.zoomPoint.getY()))) {
                // restoreAutoBounds();
            } else {
                double x, y, w, h;
                Rectangle2D screenDataArea = getScreenDataArea((int) this.zoomPoint.getX(),
                        (int) this.zoomPoint.getY());
                // for mouseReleased event, (horizontalZoom || verticalZoom)
                // will be true, so we can just test for either being false;
                // otherwise both are true
                if (!vZoom) {
                    x = this.zoomPoint.getX();
                    y = screenDataArea.getMinY();
                    w = Math.min(this.zoomRectangle.getWidth(),
                            screenDataArea.getMaxX() - this.zoomPoint.getX());
                    h = screenDataArea.getHeight();
                } else if (!hZoom) {
                    x = screenDataArea.getMinX();
                    y = this.zoomPoint.getY();
                    w = screenDataArea.getWidth();
                    h = Math.min(this.zoomRectangle.getHeight(),
                            screenDataArea.getMaxY() - this.zoomPoint.getY());
                } else {
                    x = this.zoomPoint.getX();
                    y = this.zoomPoint.getY();
                    w = Math.min(this.zoomRectangle.getWidth(),
                            screenDataArea.getMaxX() - this.zoomPoint.getX());
                    h = Math.min(this.zoomRectangle.getHeight(),
                            screenDataArea.getMaxY() - this.zoomPoint.getY());
                }
                if (activeROI != null) {
                    Rectangle2D rectangleArea = new Rectangle2D.Double(x, y, w, h);
                    g2 = (Graphics2D) getGraphics();
                    g2.setPaint(activeROI.getColor());
                    g2.draw(rectangleArea);
                    activeROI.add(rectangleArea, getRange(rectangleArea));
                    RoiFromChartProcess process = new RoiFromChartProcess();
                    process.addParam("roi", activeROI);
                    process.addParam("raster", (FLyrRasterSE) rasterSE);
                    process.setActions(this);
                    process.start();
                    if (gestorRois != null) {
                        // Cargar la nueva ROI en el destor
                        gestorRois.clearRoiGraphics();
                    }
                }

            }
            this.zoomPoint = null;
            this.zoomRectangle = null;
            updateUI();
        } else {
            // Erase the zoom rectangle
            Graphics2D g2 = (Graphics2D) getGraphics();
            drawRectangle(g2);
            g2.dispose();
            this.zoomPoint = null;
            this.zoomRectangle = null;
        }

    }

    else if (e.isPopupTrigger()) {
        if (this.popup != null) {
            displayPopupMenu(e.getX(), e.getY());
        }
    }
}

From source file:org.geowebcache.service.wms.WMSTileFuser.java

protected void scaleRaster() {
    if (canvasSize[0] != reqWidth || canvasSize[1] != reqHeight) {
        BufferedImage preTransform = canvas;

        canvas = new BufferedImage(reqWidth, reqHeight, preTransform.getType());

        Graphics2D gfx = canvas.createGraphics();

        AffineTransform affineTrans = AffineTransform.getScaleInstance(
                ((double) reqWidth) / preTransform.getWidth(), ((double) reqHeight) / preTransform.getHeight());

        log.debug("AffineTransform: " + (((double) reqWidth) / preTransform.getWidth()) + ","
                + +(((double) reqHeight) / preTransform.getHeight()));
        // Hints settings
        RenderingHints hintsTemp = HintsLevel.DEFAULT.getRenderingHints();

        if (hints != null) {
            hintsTemp = hints;/*w  ww  .  j  av  a2  s .  c  o  m*/
        }
        gfx.addRenderingHints(hintsTemp);
        gfx.drawRenderedImage(preTransform, affineTrans);
        gfx.dispose();
    }
}

From source file:de.tor.tribes.ui.panels.MinimapPanel.java

protected BufferedImage getImage() {
    BufferedImage tempImg = ImageUtils.createCompatibleBufferedImage(mapDim.width, mapDim.height,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = (Graphics2D) tempImg.getGraphics();
    g2d.setColor(new Color(35, 125, 0));
    g2d.fillRect(0, 0, tempImg.getWidth(null), tempImg.getHeight(null));
    g2d.drawImage(mBuffer, 0, 0, null);//from   w  w  w.ja  va 2s .  c o  m
    g2d.dispose();
    return tempImg;
}

From source file:userInterface.HospitalAdminRole.ManagePatientsJPanel.java

private void saveAsPdfBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_saveAsPdfBtnActionPerformed
    Document document = new Document(PageSize.A4.rotate());
    String[] headers = new String[] { "Name", "TimeStamp", "Resp Rate", "Heart Rate", "Blood Pressure",
            "Temperature", "Status" };
    String filename = fileNameTxt.getText();
    try {//from www .  ja v  a 2  s .co m
        if (!filename.equals("")) {
            PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(filename + ".pdf"));

            document.open();
            PdfContentByte cb = writer.getDirectContent();

            cb.saveState();
            PdfPTable table = new PdfPTable(headers.length);
            for (int i = 0; i < headers.length; i++) {
                String header = headers[i];
                PdfPCell cell = new PdfPCell();
                cell.setGrayFill(0.9f);
                cell.setPhrase(new Phrase(header.toUpperCase(), new Font(Font.HELVETICA, 8, Font.BOLD)));
                table.addCell(cell);

            }
            table.completeRow();

            table.spacingBefore();
            table.spacingAfter();
            document.add(table);
            Graphics2D g2 = cb.createGraphicsShapes(500, 500);
            //cb.showTextAligned(PdfContentByte.ALIGN_CENTER, g2, 200, 300, 0);

            Shape oldClip = g2.getClip();
            g2.clipRect(0, 0, 700, 500);

            vitalSignjTable.print(g2);
            g2.setClip(oldClip);

            g2.dispose();
            cb.restoreState();
            JOptionPane.showMessageDialog(null, "file saved", "Saved", JOptionPane.INFORMATION_MESSAGE);
        } else {
            JOptionPane.showMessageDialog(null, "enter the filename", "FileName", JOptionPane.ERROR_MESSAGE);
        }
    } catch (Exception e) {
        System.err.println(e.getMessage());
    }
    document.close();
}

From source file:ddf.catalog.transformer.input.pptx.PptxInputTransformer.java

/**
 * If the slide show doesn't contain any slides, then return null. Otherwise, return jpeg
 * image data of the first slide in the deck.
 *
 * @param slideShow/* w  ww .  j a va 2  s  .c o m*/
 * @return jpeg thumbnail or null if thumbnail can't be created
 * @throws IOException
 */
private byte[] generatePptxThumbnail(XMLSlideShow slideShow) throws IOException {

    if (slideShow.getSlides().isEmpty()) {
        LOGGER.info("the powerpoint file does not contain any slides, skipping thumbnail generation");
        return null;
    }

    Dimension pgsize = slideShow.getPageSize();

    int largestDimension = (int) Math.max(pgsize.getHeight(), pgsize.getWidth());
    float scalingFactor = IMAGE_HEIGHTWIDTH / largestDimension;
    int scaledHeight = (int) (pgsize.getHeight() * scalingFactor);
    int scaledWidth = (int) (pgsize.getWidth() * scalingFactor);
    BufferedImage img = new BufferedImage(scaledWidth, scaledHeight, BufferedImage.TYPE_INT_RGB);

    Graphics2D graphics = img.createGraphics();

    try {
        graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        graphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        graphics.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
                RenderingHints.VALUE_FRACTIONALMETRICS_ON);

        graphics.scale(scalingFactor, scalingFactor);

        slideShow.getSlides().get(0).draw(graphics);

        try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
            ImageIOUtil.writeImage(img, FORMAT_NAME, outputStream, RESOLUTION_DPI, IMAGE_QUALITY);
            return outputStream.toByteArray();
        }
    } catch (RuntimeException e) {
        if (e.getCause() instanceof javax.imageio.IIOException) {
            LOGGER.warn("unable to generate thumbnail for PPTX file", e);
        } else {
            throw e;
        }
    } finally {
        graphics.dispose();
    }

    return null;
}

From source file:edu.kit.dama.ui.components.TextImage.java

/**
 * Get the bytes of the final image.//from   w w w.  j  a v  a 2 s.com
 *
 * @return The byte array containing the bytes of the resulting image.
 *
 * @throws IOException if creating the image fails.
 */
public byte[] getBytes() throws IOException {
    Image transparentImage = Toolkit.getDefaultToolkit().createImage(new FilteredImageSource(
            new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB).getSource(), new RGBImageFilter() {
                @Override
                public final int filterRGB(int x, int y, int rgb) {
                    return (rgb << 8) & 0xFF000000;
                }
            }));

    //create the actual image and overlay it by the transparent background
    BufferedImage outputImage = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = outputImage.createGraphics();
    g2d.drawImage(transparentImage, 0, 0, null);
    //draw the remaining stuff
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    g2d.setColor(color);
    g2d.fillRoundRect(0, 0, size, size, 20, 20);
    g2d.setColor(new Color(Math.round((float) color.getRed() * .9f), Math.round((float) color.getGreen() * .9f),
            Math.round((float) color.getBlue() * .9f)));
    g2d.drawRoundRect(0, 0, size - 1, size - 1, 20, 20);

    Font font = new Font("Dialog", Font.BOLD, size - 4);
    g2d.setFont(font);
    g2d.setColor(Color.WHITE);

    String s = text.toUpperCase().substring(0, 1);
    FontMetrics fm = g2d.getFontMetrics();
    float x = ((float) size - (float) fm.stringWidth(s)) / 2f;
    float y = ((float) fm.getAscent()
            + (float) ((float) size - ((float) fm.getAscent() + (float) fm.getDescent())) / 2f) - 1f;
    g2d.drawString(s, x, y);
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    ImageIO.write(outputImage, "png", bout);
    g2d.dispose();
    return bout.toByteArray();
}

From source file:com.igormaznitsa.mindmap.swing.panel.MindMapPanel.java

public static Dimension2D calculateSizeOfMapInPixels(final MindMap model, final MindMapPanelConfig cfg,
        final boolean expandAll) {
    final MindMap workMap = new MindMap(model, null);
    workMap.resetPayload();/*from  w w w .j  av  a  2  s.  c om*/

    BufferedImage img = new BufferedImage(32, 32,
            cfg.isDrawBackground() ? BufferedImage.TYPE_INT_RGB : BufferedImage.TYPE_INT_ARGB);
    Dimension2D blockSize = null;
    Graphics2D gfx = img.createGraphics();
    try {
        Utils.prepareGraphicsForQuality(gfx);
        if (calculateElementSizes(gfx, workMap, cfg)) {
            if (expandAll) {
                final AbstractElement root = (AbstractElement) workMap.getRoot().getPayload();
                root.collapseOrExpandAllChildren(false);
                calculateElementSizes(gfx, workMap, cfg);
            }
            blockSize = layoutModelElements(workMap, cfg);
            final double paperMargin = cfg.getPaperMargins() * cfg.getScale();
            blockSize.setSize(blockSize.getWidth() + paperMargin * 2, blockSize.getHeight() + paperMargin * 2);
        }
    } finally {
        gfx.dispose();
    }
    return blockSize;
}

From source file:com.lingxiang2014.util.ImageUtils.java

public static void zoom(File srcFile, File destFile, int destWidth, int destHeight) {
    Assert.notNull(srcFile);/*w  ww. ja  v a2 s .c o m*/
    Assert.notNull(destFile);
    Assert.state(destWidth > 0);
    Assert.state(destHeight > 0);
    if (type == Type.jdk) {
        Graphics2D graphics2D = null;
        ImageOutputStream imageOutputStream = null;
        ImageWriter imageWriter = null;
        try {
            BufferedImage srcBufferedImage = ImageIO.read(srcFile);
            int srcWidth = srcBufferedImage.getWidth();
            int srcHeight = srcBufferedImage.getHeight();
            int width = destWidth;
            int height = destHeight;
            if (srcHeight >= srcWidth) {
                width = (int) Math.round(((destHeight * 1.0 / srcHeight) * srcWidth));
            } else {
                height = (int) Math.round(((destWidth * 1.0 / srcWidth) * srcHeight));
            }
            BufferedImage destBufferedImage = new BufferedImage(destWidth, destHeight,
                    BufferedImage.TYPE_INT_RGB);
            graphics2D = destBufferedImage.createGraphics();
            graphics2D.setBackground(BACKGROUND_COLOR);
            graphics2D.clearRect(0, 0, destWidth, destHeight);
            graphics2D.drawImage(srcBufferedImage.getScaledInstance(width, height, Image.SCALE_SMOOTH),
                    (destWidth / 2) - (width / 2), (destHeight / 2) - (height / 2), null);

            imageOutputStream = ImageIO.createImageOutputStream(destFile);
            imageWriter = ImageIO.getImageWritersByFormatName(FilenameUtils.getExtension(destFile.getName()))
                    .next();
            imageWriter.setOutput(imageOutputStream);
            ImageWriteParam imageWriteParam = imageWriter.getDefaultWriteParam();
            imageWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            imageWriteParam.setCompressionQuality((float) (DEST_QUALITY / 100.0));
            imageWriter.write(null, new IIOImage(destBufferedImage, null, null), imageWriteParam);
            imageOutputStream.flush();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (graphics2D != null) {
                graphics2D.dispose();
            }
            if (imageWriter != null) {
                imageWriter.dispose();
            }
            if (imageOutputStream != null) {
                try {
                    imageOutputStream.close();
                } catch (IOException e) {
                }
            }
        }
    } else {
        IMOperation operation = new IMOperation();
        operation.thumbnail(destWidth, destHeight);
        operation.gravity("center");
        operation.background(toHexEncoding(BACKGROUND_COLOR));
        operation.extent(destWidth, destHeight);
        operation.quality((double) DEST_QUALITY);
        operation.addImage(srcFile.getPath());
        operation.addImage(destFile.getPath());
        if (type == Type.graphicsMagick) {
            ConvertCmd convertCmd = new ConvertCmd(true);
            if (graphicsMagickPath != null) {
                convertCmd.setSearchPath(graphicsMagickPath);
            }
            try {
                convertCmd.run(operation);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } catch (IM4JavaException e) {
                e.printStackTrace();
            }
        } else {
            ConvertCmd convertCmd = new ConvertCmd(false);
            if (imageMagickPath != null) {
                convertCmd.setSearchPath(imageMagickPath);
            }
            try {
                convertCmd.run(operation);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } catch (IM4JavaException e) {
                e.printStackTrace();
            }
        }
    }
}