Example usage for java.awt.image BufferedImage createGraphics

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:org.n52.io.img.ChartRenderer.java

private BufferedImage drawChartToImage() {
    int width = getChartStyleDefinitions().getWidth();
    int height = getChartStyleDefinitions().getHeight();
    BufferedImage chartImage = new BufferedImage(width, height, TYPE_INT_RGB);
    Graphics2D chartGraphics = chartImage.createGraphics();
    chartGraphics.fillRect(0, 0, width, height);
    chartGraphics.setColor(WHITE);/*www . j  a v  a 2  s  .  c  om*/

    chart.setTextAntiAlias(true);
    chart.setAntiAlias(true);
    chart.draw(chartGraphics, new Rectangle2D.Float(0, 0, width, height));
    return chartImage;
}

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From source file:com.toughland.helpmechoose.common.Helper.java

private String blendImages(List<String> fileNames, String path, Integer userId) {

    int chunkWidth, chunkHeight;
    int type;/* ww w  . j  a v a2  s .c om*/
    String newFileName = path + userId + "_final.jpg";

    //fetching image files  
    File[] imgFiles = new File[fileNames.size()];
    for (int i = 0; i < fileNames.size(); i++) {
        imgFiles[i] = new File(fileNames.get(i));
    }

    //creating a bufferd image array from image files  
    BufferedImage[] buffImages = new BufferedImage[fileNames.size()];
    for (int i = 0; i < fileNames.size(); i++) {
        try {
            buffImages[i] = ImageIO.read(imgFiles[i]);
        } catch (IOException ex) {
            Logger.getLogger(Helper.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    type = buffImages[0].getType();
    chunkWidth = buffImages[0].getWidth();
    chunkHeight = buffImages[0].getHeight();

    //Initializing the final image  
    BufferedImage finalImg = new BufferedImage(chunkWidth * 2, chunkHeight * 2, type);

    int num = 0;
    for (int i = 0; i < 2; i++) {
        for (int j = 0; j < 2; j++) {
            finalImg.createGraphics().drawImage(buffImages[num], chunkWidth * j, chunkHeight * i, null);
            num++;
        }
    }

    System.out.println("Image concatenated.....");

    try {
        ImageIO.write(finalImg, "jpeg", new File(newFileName));
    } catch (IOException ex) {
        Logger.getLogger(Helper.class.getName()).log(Level.SEVERE, null, ex);
    }

    return userId.toString() + "_final.jpg";
}

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From source file:eu.udig.style.advanced.points.PointStyleManager.java

private TableViewer createStylesTableViewer(Composite parent) {
    final StyleFilter filter = new StyleFilter();
    final Text searchText = new Text(parent, SWT.BORDER | SWT.SEARCH);
    searchText.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL));
    searchText.addKeyListener(new KeyAdapter() {
        public void keyReleased(KeyEvent ke) {
            filter.setSearchText(searchText.getText());
            stylesViewer.refresh();/*from  ww  w. jav a  2s  .c o  m*/
        }

    });

    stylesViewer = new TableViewer(parent, SWT.SINGLE | SWT.BORDER);
    Table table = stylesViewer.getTable();
    GridData tableGD = new GridData(SWT.FILL, SWT.FILL, true, true);
    tableGD.heightHint = 200;
    table.setLayoutData(tableGD);

    stylesViewer.addFilter(filter);
    stylesViewer.setContentProvider(new IStructuredContentProvider() {
        public Object[] getElements(Object inputElement) {
            if (inputElement instanceof List<?>) {
                List<?> styles = (List<?>) inputElement;
                StyleWrapper[] array = (StyleWrapper[]) styles.toArray(new StyleWrapper[styles.size()]);
                return array;
            }
            return null;
        }

        public void dispose() {
        }

        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        }
    });

    stylesViewer.setLabelProvider(new LabelProvider() {
        public Image getImage(Object element) {
            if (element instanceof StyleWrapper) {
                StyleWrapper styleWrapper = (StyleWrapper) element;
                List<FeatureTypeStyleWrapper> featureTypeStyles = styleWrapper
                        .getFeatureTypeStylesWrapperList();
                int iconSize = 48;
                BufferedImage image = new BufferedImage(iconSize, iconSize, BufferedImage.TYPE_INT_ARGB);
                Graphics2D g2d = image.createGraphics();
                g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
                for (FeatureTypeStyleWrapper featureTypeStyle : featureTypeStyles) {
                    List<RuleWrapper> rulesWrapperList = featureTypeStyle.getRulesWrapperList();
                    BufferedImage tmpImage = Utilities.pointRulesWrapperToImage(rulesWrapperList, iconSize,
                            iconSize);
                    g2d.drawImage(tmpImage, 0, 0, null);
                }
                g2d.dispose();
                Image convertToSWTImage = AWTSWTImageUtils.convertToSWTImage(image);
                return convertToSWTImage;
            }
            return null;
        }

        public String getText(Object element) {
            if (element instanceof StyleWrapper) {
                StyleWrapper styleWrapper = (StyleWrapper) element;
                String styleName = styleWrapper.getName();
                if (styleName == null || styleName.length() == 0) {
                    styleName = Utilities.DEFAULT_STYLENAME;
                    styleName = Utilities.checkSameNameStyle(getStyles(), styleName);
                    styleWrapper.setName(styleName);
                }
                return styleName;
            }
            return ""; //$NON-NLS-1$
        }
    });

    stylesViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        public void selectionChanged(SelectionChangedEvent event) {
            ISelection selection = event.getSelection();
            if (!(selection instanceof IStructuredSelection)) {
                return;
            }
            IStructuredSelection sel = (IStructuredSelection) selection;
            if (sel.isEmpty()) {
                return;
            }

            Object selectedItem = sel.getFirstElement();
            if (selectedItem == null) {
                // unselected, show empty panel
                return;
            }

            if (selectedItem instanceof StyleWrapper) {
                currentSelectedStyleWrapper = (StyleWrapper) selectedItem;
            }
        }

    });
    return stylesViewer;
}

---

From source file:org.n52.oxf.render.sos.ProportionalCircleMapRenderer.java

private Image renderLegend(ObservationSeriesCollection obsValues, String observedProperty) {

    double lowestValue = (Double) obsValues.getMinimum(0);
    double highestValue = (Double) obsValues.getMaximum(0);

    double classDistance = (highestValue - lowestValue) / (NUMBER_OF_CLASSES - 2);
    int dotSizeDistance = (MAX_DOT_SIZE - MIN_DOT_SIZE) / (NUMBER_OF_CLASSES - 2);

    BufferedImage image = new BufferedImage(LEGEND_WIDTH, LEGEND_HEIGHT, BufferedImage.TYPE_INT_RGB);

    Graphics2D g = image.createGraphics();

    // draw white background:
    g.setColor(Color.WHITE);/* w w  w.j a v a  2  s.  c o  m*/
    g.fillRect(0, 0, LEGEND_WIDTH, LEGEND_HEIGHT);

    // draw information:
    observedProperty = observedProperty.split(":")[observedProperty.split(":").length - 1];
    g.setColor(Color.BLACK);
    g.drawString("Observed Property:   '" + observedProperty + "'", 25, 25);

    for (int i = 1; i <= NUMBER_OF_CLASSES; i++) {
        // draw text:
        int x_stringLocation = 100;
        int y_location = i * 60;
        g.setColor(Color.BLACK);

        DecimalFormat df = (DecimalFormat) DecimalFormat.getInstance(Locale.GERMAN);
        df.applyPattern("#,###,##0.00");

        double lowerBorder = lowestValue + classDistance * (i - 1);
        double upperBorder = lowestValue + classDistance * i;

        g.drawString(i + ". class: " + df.format(lowerBorder) + " - " + df.format(upperBorder),
                x_stringLocation, y_location + 10);

        // draw symbol:
        int x_symbolLocation = 30;
        g.setColor(POINT_INNER_COLOR);
        g.fillOval(x_symbolLocation, y_location, i * dotSizeDistance, i * dotSizeDistance);
    }

    return image;
}

---

From source file:ddf.catalog.transformer.input.tika.TikaInputTransformer.java

private void createThumbnail(InputStream input, Metacard metacard) {
    try {//from w  w  w  . j  ava  2  s  . c  om
        Image image = ImageIO.read(new CloseShieldInputStream(input));

        if (null != image) {
            BufferedImage bufferedImage = new BufferedImage(image.getWidth(null), image.getHeight(null),
                    BufferedImage.TYPE_INT_RGB);
            Graphics2D graphics = bufferedImage.createGraphics();
            graphics.drawImage(image, null, null);
            graphics.dispose();

            BufferedImage thumb = Scalr.resize(bufferedImage, 200);

            try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
                ImageIO.write(thumb, "jpeg", out);

                byte[] thumbBytes = out.toByteArray();
                metacard.setAttribute(new AttributeImpl(Metacard.THUMBNAIL, thumbBytes));
            }
        } else {
            LOGGER.warn("Unable to read image from input stream to create thumbnail.");
        }
    } catch (Exception e) {
        LOGGER.warn("Unable to read image from input stream to create thumbnail.", e);
    }
}

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From source file:dk.dma.msinm.web.OsmStaticMap.java

public BufferedImage createBaseMap(MapImageCtx ctx) {
    BufferedImage image = new BufferedImage(ctx.width, ctx.height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    int startX = (int) Math.floor(ctx.centerX - (ctx.width / ctx.tileSize) / 2.0);
    int startY = (int) Math.floor(ctx.centerY - (ctx.height / ctx.tileSize) / 2.0);
    int endX = (int) Math.ceil(ctx.centerX + (ctx.width / ctx.tileSize) / 2.0);
    int endY = (int) Math.ceil(ctx.centerY + (ctx.height / ctx.tileSize) / 2.0);
    ctx.offsetX = -Math.floor((ctx.centerX - Math.floor(ctx.centerX)) * ctx.tileSize);
    ctx.offsetY = -Math.floor((ctx.centerY - Math.floor(ctx.centerY)) * ctx.tileSize);
    ctx.offsetX += Math.floor(ctx.width / 2.0);
    ctx.offsetY += Math.floor(ctx.height / 2.0);
    ctx.offsetX += Math.floor(startX - Math.floor(ctx.centerX)) * ctx.tileSize;
    ctx.offsetY += Math.floor(startY - Math.floor(ctx.centerY)) * ctx.tileSize;

    for (int x = startX; x <= endX; x++) {
        for (int y = startY; y <= endY; y++) {
            String url = String.format(OSM_URL, ctx.zoom, x, y);
            log.info("Fetching " + url);
            try {
                BufferedImage tileImage = fetchTile(url);
                double destX = (x - startX) * ctx.tileSize + ctx.offsetX;
                double destY = (y - startY) * ctx.tileSize + ctx.offsetY;
                g2.drawImage(tileImage, (int) destX, (int) destY, ctx.tileSize, ctx.tileSize, null);
                image.flush();/*from w ww.  j  ava 2s.  c o  m*/
            } catch (Exception e) {
                log.warn("Failed loading image " + url);
            }
        }
    }
    return image;
}

---

From source file:org.n52.io.measurement.img.ChartIoHandler.java

private BufferedImage createImage() {
    int width = getChartStyleDefinitions().getWidth();
    int height = getChartStyleDefinitions().getHeight();
    BufferedImage chartImage = new BufferedImage(width, height, TYPE_INT_RGB);
    Graphics2D chartGraphics = chartImage.createGraphics();
    chartGraphics.fillRect(0, 0, width, height);
    chartGraphics.setColor(WHITE);//ww w . j  a  v  a  2 s .com

    chart.setTextAntiAlias(true);
    chart.setAntiAlias(true);
    if (chart.getLegend() != null) {
        chart.getLegend().setFrame(BlockBorder.NONE);
    }
    chart.draw(chartGraphics, new Rectangle2D.Float(0, 0, width, height));
    return chartImage;
}

---

From source file:org.n52.oxf.render.sos.ProportionalCircleMapRenderer.java

/**
 * renders one frame of the animation./*w  w w.  ja  va 2 s.co m*/
 */
private Image renderFrame(ITimePosition[] sortedTimeArray, int currentTimeIndex, int screenW, int screenH,
        IBoundingBox bbox, Set<OXFFeature> selectedFeatures, ObservationSeriesCollection obsValues) {
    ContextBoundingBox contextBBox = new ContextBoundingBox(bbox);

    BufferedImage image = new BufferedImage(screenW, screenH, BufferedImage.TYPE_INT_RGB);

    Graphics2D g = image.createGraphics();

    ITimePosition currentTimePos = sortedTimeArray[currentTimeIndex];

    // draw white background:
    g.setColor(Color.WHITE);
    g.fillRect(0, 0, screenW, screenH);

    // draw time-string into map:
    g.setColor(Color.BLACK);
    g.drawString(currentTimePos.toString(), 20, 20);

    for (OXFFeature dotFeature : selectedFeatures) {

        //
        // draw the points into the image at the georeferenced position of the corresponding feature:
        //
        Point pRealWorld = (Point) dotFeature.getGeometry();

        java.awt.Point pScreen = ContextBoundingBox.realworld2Screen(contextBBox.getActualBBox(), screenW,
                screenH, new Point2D.Double(pRealWorld.getCoordinate().x, pRealWorld.getCoordinate().y));

        ObservedValueTuple tuple = obsValues.getTuple(dotFeature, currentTimePos);

        // if there wasn't a tuple for the current time position go backwards through the sortedTimeArray and take the most recent one:
        int j = currentTimeIndex - 1;
        while (tuple == null && j >= 0) {
            tuple = obsValues.getTuple(dotFeature, sortedTimeArray[j]);
            j--;
        }

        // if a tuple was found -> draw the dot:
        if (tuple != null) {
            int dotSize = computeDotSize((Double) tuple.getValue(0), (Double) obsValues.getMinimum(0),
                    (Double) obsValues.getMaximum(0));
            g.setColor(POINT_INNER_COLOR);
            g.fillOval(pScreen.x - (dotSize / 2), pScreen.y - (dotSize / 2), dotSize, dotSize);
        }
        // otherwise draw "no data available"
        else {
            g.setColor(Color.BLACK);

            // draw point of feature:
            g.fillOval(pScreen.x - (FeatureGeometryRenderer.DOT_SIZE_POINT / 2),
                    pScreen.y - (FeatureGeometryRenderer.DOT_SIZE_POINT / 2),
                    FeatureGeometryRenderer.DOT_SIZE_POINT, FeatureGeometryRenderer.DOT_SIZE_POINT);

            g.drawString("No data available", pScreen.x + X_SHIFT, pScreen.y + Y_SHIFT);
        }
    }

    return image;
}

---

From source file:org.osjava.reportrunner_plugins.renderers.jfreechart.creators.TexturedBarRenderer.java

public java.awt.Paint getSeriesPaint(int row) {
    BufferedImage bufferedImage = new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB);
    Graphics2D big = bufferedImage.createGraphics();
    TexturePaint texture = null;/* w  ww  .jav a2  s  . co  m*/
    int rowNum = row + 1;
    int patNum = 13;
    int formula = rowNum - ((rowNum / patNum) * patNum);

    if (formula == 0) {
        big.setColor(Color.orange);
        big.fillRect(0, 0, 5, 5);
        big.fillRect(1, 0, 5, 5);
        Rectangle r = new Rectangle(0, 0, 5, 5);
        texture = new TexturePaint(bufferedImage, r);

    } else if (formula == 1) {
        big.setColor(Color.red);
        big.fillRect(0, 0, 5, 5);
        big.fillRect(1, 0, 5, 5);
        Rectangle r = new Rectangle(0, 0, 5, 5);
        texture = new TexturePaint(bufferedImage, r);
    } else if (formula == 2) {
        Color color = Color.blue;
        big.setColor(Color.white);
        big.fillRect(0, 0, 5, 5);
        big.setColor(color);
        big.fillRect(0, 1, 5, 5);
        Rectangle r = new Rectangle(0, 0, 5, 5);

        texture = new TexturePaint(bufferedImage, r);
    } else if (formula == 3) {
        Color color = Color.yellow;
        big.setColor(Color.orange);
        big.fillRect(0, 0, 5, 5);
        big.setColor(color);
        big.fillRect(1, 1, 4, 4);
        Rectangle r = new Rectangle(0, 0, 5, 5);

        texture = new TexturePaint(bufferedImage, r);
    } else if (formula == 4) {
        big.setColor(Color.green);
        big.fillRect(0, 0, 5, 5);
        big.fillRect(1, 0, 5, 5);
        Rectangle r = new Rectangle(0, 0, 5, 5);
        texture = new TexturePaint(bufferedImage, r);
    } else if (formula == 5) {
        big.setColor(Color.magenta);
        big.fillRect(0, 0, 5, 5);
        big.setColor(Color.pink);
        big.fillRect(0, 0, 4, 4);

        Rectangle r = new Rectangle(0, 0, 5, 5);
        texture = new TexturePaint(bufferedImage, r);
    } else if (formula == 6) {
        float[] x = { .5f, 1.5f, 2.0f, 2.5f, 3.0f, 3.5f, 4.0f, 4.5f, 5.0f };
        float[] y = { .5f, 1.5f, 2.0f, 2.5f, 3.0f, 3.5f, 4.0f, 4.5f, 5.0f };
        GeneralPath path = new GeneralPath();
        path.moveTo(x[0], y[0]);
        for (int j = 1; j < x.length; j++) {
            path.lineTo(x[j], y[j]);
        }

        big.setColor(new Color(226, 199, 252));
        big.fillRect(0, 0, 5, 5);
        big.setColor(Color.blue);
        big.setStroke(new BasicStroke(1.0f));

        big.draw(path);
        Rectangle r = new Rectangle(0, 0, 5, 5);
        texture = new TexturePaint(bufferedImage, r);
    } else if (formula == 7) {
        big.setColor(Color.lightGray);
        big.fillRect(0, 0, 5, 5);
        big.setColor(Color.red);
        big.fillRect(1, 0, 5, 5);
        Rectangle r = new Rectangle(0, 0, 5, 5);
        texture = new TexturePaint(bufferedImage, r);
    } else if (formula == 8) {
        float[] x = { .5f, 1.5f, 2.0f, 2.5f, 3.0f, 3.5f, 4.0f, 4.5f, 5.0f };
        float[] y = { .5f, 1.5f, 2.0f, 2.5f, 3.0f, 3.5f, 4.0f, 4.5f, 5.0f };
        GeneralPath path = new GeneralPath();
        path.moveTo(x[0], y[0]);
        for (int j = 1; j < x.length; j++) {
            path.lineTo(x[j], y[j]);

        }
        big.setColor(Color.blue);
        big.fillRect(0, 0, 5, 5);
        big.setColor(Color.cyan);
        big.setStroke(new BasicStroke(2.0f));
        big.draw(path);
        Rectangle r = new Rectangle(0, 0, 5, 5);
        texture = new TexturePaint(bufferedImage, r);
    } else if (formula == 9) {
        Color color = new Color(0xBBBBDD);
        big.setColor(color);
        big.fillRect(0, 0, 5, 5);
        big.setColor(new Color(199, 201, 230));
        big.fillRect(1, 0, 5, 5);
        Rectangle r = new Rectangle(0, 0, 5, 5);
        texture = new TexturePaint(bufferedImage, r);
    } else if (formula == 10) {
        float[] x = { 1, 2, 3, 4, 5 };
        float[] y = { 1, 2, 3, 4, 5 };
        GeneralPath path = new GeneralPath();
        path.moveTo(x[0], y[1]);
        path.lineTo(x[1], y[0]);
        path.moveTo(x[0], y[2]);
        path.lineTo(x[2], y[0]);
        path.moveTo(x[0], y[3]);
        path.lineTo(x[3], y[0]);
        path.moveTo(x[0], y[4]);
        path.lineTo(x[4], y[0]);
        big.setColor(Color.red);
        big.fillRect(0, 0, 5, 5);
        big.setColor(new Color(242, 242, 193));
        big.setStroke(new BasicStroke(3.0f));
        big.draw(path);
        Rectangle r = new Rectangle(0, 0, 5, 5);
        texture = new TexturePaint(bufferedImage, r);
    } else if (formula == 11) {
        big.setColor(new Color(252, 169, 171));
        big.fillOval(0, 0, 5, 6);
        big.setColor(new Color(252, 230, 230));
        big.fillOval(0, 0, 3, 3);
        Rectangle r = new Rectangle(0, 0, 5, 5);
        texture = new TexturePaint(bufferedImage, r);
    } else if (formula == 12) {
        big.setColor(Color.green);
        big.fillRect(0, 0, 5, 5);
        big.setColor(new Color(20, 178, 38));
        big.fillRect(2, 2, 5, 5);
        Rectangle r = new Rectangle(0, 0, 5, 5);
        texture = new TexturePaint(bufferedImage, r);
    }
    return texture;

}

---

From source file:it.smartcommunitylab.parking.management.web.manager.MarkerIconStorage.java

private void generateMarkerWithFlag(String basePath, String company, String entity, String color)
        throws IOException {
    BufferedImage templateIcon = ImageIO.read(new File(getIconFolder(basePath, ICON_FOLDER) + TEMPLATE_FILE));
    BufferedImage icon = new BufferedImage(templateIcon.getWidth(), templateIcon.getHeight() + ICON_INCR_HEIGHT,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D graphics = icon.createGraphics();
    graphics.setColor(new Color(Integer.parseInt(color, 16)));
    graphics.drawRect(0, 0, icon.getWidth(), COLOR_RECT_HEIGHT);
    graphics.fillRect(0, 0, icon.getWidth(), COLOR_RECT_HEIGHT);
    graphics.drawImage(templateIcon, 0, ICON_INCR_HEIGHT, null);
    graphics.dispose();//from  w  w w  .  ja v a2 s .  c  om
    ImageIO.write(icon, ICON_TYPE, new File(getIconFolder(basePath, ICON_FOLDER_CACHE) + company + "-" + entity
            + "-" + color + ICON_EXTENSION));
}

---

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