Example usage for java.awt.image BufferedImage createGraphics

List of usage examples for java.awt.image BufferedImage createGraphics

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Introduction

In this page you can find the example usage for java.awt.image BufferedImage createGraphics.

Prototype

public Graphics2D createGraphics()

Source Link

Document

Creates a Graphics2D , which can be used to draw into this BufferedImage .

Usage

From source file:fr.amap.commons.javafx.chart.ChartViewer.java

/**
 * A handler for the export to PNG option in the context menu.
 *//*from   w  w  w . ja  v  a  2s.  c  om*/
private void handleExportToPNG() {
    FileChooser fileChooser = new FileChooser();
    fileChooser.setTitle("Export to PNG");
    fileChooser.setSelectedExtensionFilter(
            new FileChooser.ExtensionFilter("Portable Network Graphics (PNG)", "png"));
    File file = fileChooser.showSaveDialog(stage);

    if (file != null) {
        try {

            CanvasPositionsAndSize canvasPositionAndSize = getCanvasPositionAndSize();

            BufferedImage image = new BufferedImage((int) canvasPositionAndSize.totalWidth,
                    (int) canvasPositionAndSize.totalHeight, BufferedImage.TYPE_INT_ARGB);
            Graphics2D g2 = image.createGraphics();

            int index = 0;
            for (ChartCanvas canvas : chartCanvasList) {

                Rectangle2D rectangle2D = canvasPositionAndSize.positionsAndSizes.get(index);

                ((Drawable) canvas.chart).draw(g2, new Rectangle((int) rectangle2D.getX(),
                        (int) rectangle2D.getY(), (int) rectangle2D.getWidth(), (int) rectangle2D.getHeight()));
                index++;
            }

            try (OutputStream out = new BufferedOutputStream(new FileOutputStream(file))) {
                ImageIO.write(image, "png", out);
            }

        } catch (IOException ex) {
            // FIXME: show a dialog with the error
        }
    }
}

From source file:org.squale.squaleweb.applicationlayer.action.export.ppt.PPTData.java

private BufferedImage convertImgToBufferedImg(Image limage, String l) {
    if (limage instanceof BufferedImage) {
        return ((BufferedImage) limage);
    } else {//from   w ww .ja  va2  s.  c o m
        Image lImage = new ImageIcon(limage).getImage();
        BufferedImage bufferedimage = new BufferedImage(lImage.getWidth(null), lImage.getHeight(null),
                BufferedImage.TYPE_INT_RGB);
        Graphics gr = bufferedimage.createGraphics();
        gr.drawImage(lImage, 0, 0, null);
        gr.dispose();
        return (bufferedimage);
    }
}

From source file:com.flexive.shared.media.impl.FxMediaNativeEngine.java

public static BufferedImage scale(BufferedImage bi, int width, int height) {
    BufferedImage bi2;
    int scaleWidth = bi.getWidth(null);
    int scaleHeight = bi.getHeight(null);
    double scaleX = (double) width / scaleWidth;
    double scaleY = (double) height / scaleHeight;
    double scale = Math.min(scaleX, scaleY);
    scaleWidth = (int) ((double) scaleWidth * scale);
    scaleHeight = (int) ((double) scaleHeight * scale);
    Image scaledImage;//  w  w w  . jav  a2  s . co  m
    if (HEADLESS) {
        // create a new buffered image, don't rely on a local graphics system (headless mode)
        final int type;
        if (bi.getType() != BufferedImage.TYPE_CUSTOM) {
            type = bi.getType();
        } else if (bi.getAlphaRaster() != null) {
            // alpha channel available
            type = BufferedImage.TYPE_INT_ARGB;
        } else {
            type = BufferedImage.TYPE_INT_RGB;
        }
        bi2 = new BufferedImage(scaleWidth, scaleHeight, type);
    } else {
        GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice()
                .getDefaultConfiguration();
        bi2 = gc.createCompatibleImage(scaleWidth, scaleHeight, bi.getTransparency());
    }
    Graphics2D g = bi2.createGraphics();
    if (scale < 0.3 && Math.max(scaleWidth, scaleHeight) < 500) {
        scaledImage = bi.getScaledInstance(scaleWidth, scaleHeight, Image.SCALE_SMOOTH);
        new ImageIcon(scaledImage).getImage();
        g.drawImage(scaledImage, 0, 0, scaleWidth, scaleHeight, null);
    } else {
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        g.drawImage(bi, 0, 0, scaleWidth, scaleHeight, null);
    }
    g.dispose();
    return bi2;
}

From source file:fr.amap.commons.javafx.chart.ChartViewer.java

/**
 * A handler for the export to PDF option in the context menu.
 *///from ww w . j  a  v a2  s.c  o  m
private void handleExportToPDF() {
    FileChooser fileChooser = new FileChooser();
    fileChooser.setSelectedExtensionFilter(
            new FileChooser.ExtensionFilter("Portable Document Format (PDF)", "pdf"));
    fileChooser.setTitle("Export to PDF");
    File file = fileChooser.showSaveDialog(stage);
    if (file != null) {

        try {

            CanvasPositionsAndSize canvasPositionAndSize = getCanvasPositionAndSize();

            PDDocument doc = new PDDocument();

            PDPage page = new PDPage(new PDRectangle((float) canvasPositionAndSize.totalWidth,
                    (float) canvasPositionAndSize.totalHeight));
            doc.addPage(page);

            BufferedImage image = new BufferedImage((int) canvasPositionAndSize.totalWidth,
                    (int) canvasPositionAndSize.totalHeight, BufferedImage.TYPE_INT_ARGB);
            Graphics2D g2 = image.createGraphics();

            int index = 0;
            for (ChartCanvas canvas : chartCanvasList) {

                Rectangle2D rectangle2D = canvasPositionAndSize.positionsAndSizes.get(index);

                ((Drawable) canvas.chart).draw(g2, new Rectangle((int) rectangle2D.getX(),
                        (int) rectangle2D.getY(), (int) rectangle2D.getWidth(), (int) rectangle2D.getHeight()));
                index++;
            }

            PDPageContentStream contentStream = new PDPageContentStream(doc, page, true, false);
            PDXObjectImage pdImage = new PDPixelMap(doc, image);
            contentStream.drawImage(pdImage, 0, 0);

            PDPageContentStream cos = new PDPageContentStream(doc, page);
            cos.drawXObject(pdImage, 0, 0, pdImage.getWidth(), pdImage.getHeight());
            cos.close();

            doc.save(file);

        } catch (IOException | COSVisitorException ex) {
            Logger.getLogger(ChartViewer.class.getName()).log(Level.SEVERE, null, ex);
        }
        /*ExportUtils.writeAsPDF(this.chart, (int)canvas.getWidth(),
        (int)canvas.getHeight(), file);*/

        /*ExportUtils.writeAsPDF(this.chart, (int)canvas.getWidth(),
                (int)canvas.getHeight(), file);*/
    }
}

From source file:com.igormaznitsa.jhexed.swing.editor.ui.exporters.PNGImageExporter.java

public BufferedImage generateImage() throws IOException {
    final int DEFAULT_CELL_WIDTH = 48;
    final int DEFAULT_CELL_HEIGHT = 48;

    final int imgWidth = this.docOptions.getImage() == null ? DEFAULT_CELL_WIDTH * this.docOptions.getColumns()
            : Math.round(this.docOptions.getImage().getSVGWidth());
    final int imgHeight = this.docOptions.getImage() == null ? DEFAULT_CELL_HEIGHT * this.docOptions.getRows()
            : Math.round(this.docOptions.getImage().getSVGHeight());

    final BufferedImage result;
    if (exportData.isBackgroundImageExport() && this.docOptions.getImage() != null) {
        result = this.docOptions.getImage().rasterize(imgWidth, imgHeight, BufferedImage.TYPE_INT_ARGB);
    } else {/*from  w w  w .j  ava 2 s  . c o  m*/
        result = new BufferedImage(imgWidth, imgHeight, BufferedImage.TYPE_INT_ARGB);
    }

    final Graphics2D gfx = result.createGraphics();
    gfx.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
            RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
    gfx.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    gfx.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);

    final HexEngine<Graphics2D> engine = new HexEngine<Graphics2D>(DEFAULT_CELL_WIDTH, DEFAULT_CELL_HEIGHT,
            this.docOptions.getHexOrientation());

    final List<HexFieldLayer> reversedNormalizedStack = new ArrayList<HexFieldLayer>();
    for (int i = this.exportData.getLayers().size() - 1; i >= 0; i--) {
        final LayerExportRecord rec = this.exportData.getLayers().get(i);
        if (rec.isAllowed()) {
            reversedNormalizedStack.add(rec.getLayer());
        }
    }

    if (Thread.currentThread().isInterrupted())
        return null;

    final HexFieldValue[] stackOfValues = new HexFieldValue[reversedNormalizedStack.size()];

    engine.setModel(new HexEngineModel<HexFieldValue[]>() {

        @Override
        public int getColumnNumber() {
            return docOptions.getColumns();
        }

        @Override
        public int getRowNumber() {
            return docOptions.getRows();
        }

        @Override
        public HexFieldValue[] getValueAt(final int col, final int row) {
            Arrays.fill(stackOfValues, null);

            for (int index = 0; index < reversedNormalizedStack.size(); index++) {
                stackOfValues[index] = reversedNormalizedStack.get(index).getHexValueAtPos(col, row);
            }
            return stackOfValues;
        }

        @Override
        public HexFieldValue[] getValueAt(final HexPosition pos) {
            return this.getValueAt(pos.getColumn(), pos.getRow());
        }

        @Override
        public void setValueAt(int col, int row, HexFieldValue[] value) {
        }

        @Override
        public void setValueAt(HexPosition pos, HexFieldValue[] value) {
        }

        @Override
        public boolean isPositionValid(final int col, final int row) {
            return col >= 0 && col < docOptions.getColumns() && row >= 0 && row < docOptions.getRows();
        }

        @Override
        public boolean isPositionValid(final HexPosition pos) {
            return this.isPositionValid(pos.getColumn(), pos.getRow());
        }

        @Override
        public void attachedToEngine(final HexEngine<?> engine) {
        }

        @Override
        public void detachedFromEngine(final HexEngine<?> engine) {
        }
    });

    final HexRect2D visibleSize = engine.getVisibleSize();
    final float xcoeff = (float) result.getWidth() / visibleSize.getWidth();
    final float ycoeff = (float) result.getHeight() / visibleSize.getHeight();
    engine.setScale(xcoeff, ycoeff);

    final Image[][] cachedIcons = new Image[this.exportData.getLayers().size()][];
    engine.setRenderer(new ColorHexRender() {

        private final Stroke stroke = new BasicStroke(docOptions.getLineWidth());

        @Override
        public Stroke getStroke() {
            return this.stroke;
        }

        @Override
        public Color getFillColor(HexEngineModel<?> model, int col, int row) {
            return null;
        }

        @Override
        public Color getBorderColor(HexEngineModel<?> model, int col, int row) {
            return exportData.isExportHexBorders() ? docOptions.getColor() : null;
        }

        @Override
        public void drawExtra(HexEngine<Graphics2D> engine, Graphics2D g, int col, int row, Color borderColor,
                Color fillColor) {
        }

        @Override
        public void drawUnderBorder(final HexEngine<Graphics2D> engine, final Graphics2D g, final int col,
                final int row, final Color borderColor, final Color fillColor) {
            final HexFieldValue[] stackValues = (HexFieldValue[]) engine.getModel().getValueAt(col, row);
            for (int i = 0; i < stackValues.length; i++) {
                final HexFieldValue valueToDraw = stackValues[i];
                if (valueToDraw == null) {
                    continue;
                }
                g.drawImage(cachedIcons[i][valueToDraw.getIndex()], 0, 0, null);
            }
        }

    });

    final Path2D hexShape = ((ColorHexRender) engine.getRenderer()).getHexPath();
    final int cellWidth = hexShape.getBounds().width;
    final int cellHeight = hexShape.getBounds().height;

    for (int layerIndex = 0; layerIndex < reversedNormalizedStack.size()
            && !Thread.currentThread().isInterrupted(); layerIndex++) {
        final HexFieldLayer theLayer = reversedNormalizedStack.get(layerIndex);
        final Image[] cacheLineForLayer = new Image[theLayer.getHexValuesNumber()];
        for (int valueIndex = 1; valueIndex < theLayer.getHexValuesNumber(); valueIndex++) {
            cacheLineForLayer[valueIndex] = theLayer.getHexValueForIndex(valueIndex).makeIcon(cellWidth,
                    cellHeight, hexShape, true);
        }
        cachedIcons[layerIndex] = cacheLineForLayer;
    }

    engine.drawWithThreadInterruptionCheck(gfx);
    if (Thread.currentThread().isInterrupted())
        return null;

    if (this.exportData.isCellCommentariesExport()) {
        final Iterator<Entry<HexPosition, String>> iterator = this.cellComments.iterator();
        gfx.setFont(new Font("Arial", Font.BOLD, 12));
        while (iterator.hasNext() && !Thread.currentThread().isInterrupted()) {
            final Entry<HexPosition, String> item = iterator.next();
            final HexPosition pos = item.getKey();
            final String text = item.getValue();
            final float x = engine.calculateX(pos.getColumn(), pos.getRow());
            final float y = engine.calculateY(pos.getColumn(), pos.getRow());

            final Rectangle2D textBounds = gfx.getFontMetrics().getStringBounds(text, gfx);

            final float dx = x - ((float) textBounds.getWidth() - engine.getCellWidth()) / 2;

            gfx.setColor(Color.BLACK);
            gfx.drawString(text, dx, y);
            gfx.setColor(Color.WHITE);
            gfx.drawString(text, dx - 2, y - 2);
        }
    }

    gfx.dispose();

    return result;
}

From source file:edu.ku.brc.ui.IconManager.java

/**
 * Gets a scaled icon and if it doesn't exist it creates one and scales it
 * @param icon image to be scaled//w ww.  j  av  a 2 s  . co m
 * @param iconSize the icon size (Std)
 * @param scaledIconSize the new scaled size in pixels
 * @return the scaled icon
 */
public Image getFastScale(final ImageIcon icon, final IconSize iconSize, final IconSize scaledIconSize) {
    if (icon != null) {
        int width = scaledIconSize.size();
        int height = scaledIconSize.size();

        if ((width < 0) || (height < 0)) { //image is nonstd, revert to original size
            width = icon.getIconWidth();
            height = icon.getIconHeight();
        }

        Image imgMemory = createImage(icon.getImage().getSource());
        //make sure all pixels in the image were loaded
        imgMemory = new ImageIcon(imgMemory).getImage();

        BufferedImage thumbImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

        Graphics2D graphics2D = thumbImage.createGraphics();
        graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        graphics2D.drawImage(imgMemory, 0, 0, width, height, null);
        graphics2D.dispose();

        imgMemory = thumbImage;
        return imgMemory;

    }
    //else
    log.error("Couldn't find icon [" + iconSize + "] to scale to [" + scaledIconSize + "]");
    return null;
}

From source file:com.josue.tileset.editor.Editor.java

private BufferedImage getTileImage(int x, int y, BufferedImage tileSetImage) {

    BufferedImage tileImage;
    Graphics2D tileGraphics;/* ww w .ja  va  2s.  com*/

    float opacity = 1L;
    tileImage = createTileImage();
    tileGraphics = tileImage.createGraphics();
    tileGraphics.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, opacity));

    tileGraphics.drawImage(tileSetImage, 0, // destiny x1
            0, // destiny y1
            TILE_SIZE, // destiny x2
            TILE_SIZE, // destiny y2
            x * TILE_SIZE, // source x1
            y * TILE_SIZE, // source y1
            x * TILE_SIZE + TILE_SIZE, // source x2
            y * TILE_SIZE + TILE_SIZE, // source y2
            null);

    return tileImage;
}

From source file:jdroidremote.ServerFrame.java

private void startMonitoring() {
    thStartMonitoring = new Thread(new Runnable() {
        @Override/*  w  ww  .j  a  v a 2 s .  c  om*/
        public void run() {
            try {

                System.out.println("START MONITORING..........");

                //                    while (1 == 1) {
                BufferedImage screenCapture = robot
                        .createScreenCapture(new Rectangle(Toolkit.getDefaultToolkit().getScreenSize()));

                Image cursor = ImageIO.read(new File("cursor.png"));
                int x = MouseInfo.getPointerInfo().getLocation().x;
                int y = MouseInfo.getPointerInfo().getLocation().y;
                Graphics2D graphics2D = screenCapture.createGraphics();
                graphics2D.drawImage(cursor, x, y, 13, 25, null); // cursor.gif is 16x16 size.
                ImageIO.write(screenCapture, "JPG", new File("2.jpg"));

                Thread.sleep(200);

                File file = new File("2.jpg");

                // Reading a Image file from file system
                FileInputStream imageInFile = new FileInputStream(file);
                byte imageData[] = new byte[(int) file.length()];
                imageInFile.read(imageData);

                // Converting Image byte array into Base64 String
                String imageDataString = ImageManipulation.encodeImage(imageData);

                System.out.println(imageDataString.length());

                //                        System.out.println(imageDataString);
                //                        // Converting a Base64 String into Image byte array
                //                        byte[] imageByteArray = ImageManipulation.decodeImage(imageDataString);
                //
                //                        // Write a image byte array into file system
                //                        FileOutputStream imageOutFile = new FileOutputStream(
                //                                "_avatar_.jpg");
                //
                //                        imageOutFile.write(imageByteArray);
                imageInFile.close();
                //                        imageOutFile.close();

                System.out.println("Image Successfully Manipulated!");

                // Split the five sandwiches.!
                StringBuilder sbImageDataString = new StringBuilder(imageDataString);

                for (int i = 0; i < sbImageDataString.toString().length(); i += 30000) {
                    if (i + 30000 <= sbImageDataString.toString().length()) {
                        dos.writeUTF(sbImageDataString.substring(i, i + 30000));
                        dos.flush();
                    } else {
                        dos.writeUTF(sbImageDataString.substring(i, sbImageDataString.toString().length()));
                        dos.flush();
                    }

                }
                dos.writeUTF("...");
                dos.flush();

                //                    }
            } catch (IOException ex) {
                Logger.getLogger(ServerFrame.class.getName()).log(Level.SEVERE, null, ex);
            } catch (InterruptedException ex) {
                Logger.getLogger(ServerFrame.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    });
}