Example usage for java.awt Image getWidth

Introduction

In this page you can find the example usage for java.awt Image getWidth.

Prototype

public abstract int getWidth(ImageObserver observer);

Source Link

Document

Determines the width of the image.

Usage

From source file:J3dSwingFrame.java

/**
 * Set the texture on our goemetry//from  ww w . jav a2 s . c  o  m
 * <P>
 * Always specified as a URL so that we may fetch it from anywhere.
 * 
 * @param url
 *            The url to the image.
 */
public void setTexture(URL url) {
    Toolkit tk = Toolkit.getDefaultToolkit();
    Image src_img = tk.createImage(url);
    BufferedImage buf_img = null;

    if (!(src_img instanceof BufferedImage)) {
        // create a component anonymous inner class to give us the image
        // observer we need to get the width and height of the source image.
        Component obs = new Component() {
        };

        int width = src_img.getWidth(obs);
        int height = src_img.getHeight(obs);

        // construct the buffered image from the source data.
        buf_img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

        Graphics g = buf_img.getGraphics();
        g.drawImage(src_img, 0, 0, null);
        g.dispose();
    } else
        buf_img = (BufferedImage) src_img;

    src_img.flush();

    ImageComponent img_comp = new ImageComponent2D(ImageComponent.FORMAT_RGB, buf_img);

    texture = new Texture2D(Texture.BASE_LEVEL, Texture.RGB, img_comp.getWidth(), img_comp.getHeight());

    appearance.setTexture(texture);

    buf_img.flush();
}

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From source file:pt.lsts.neptus.plugins.sunfish.awareness.SituationAwareness.java

public void paintIcons(Graphics2D g, StateRenderer2D renderer) {
    for (AssetTrack track : assets.values()) {
        AssetPosition p = track.getLatest(newestTimestampSelection);
        if (p == null || hiddenPosTypes.contains(p.getType()))
            continue;
        if (p.getTimestamp() < oldestTimestampSelection || p.getTimestamp() > newestTimestampSelection)
            continue;
        Point2D pt = renderer.getScreenPosition(p.getLoc());

        //TODO paint icon here
        Image img = getIcon(p);
        if (img != null) {
            g.drawImage(img, (int) (pt.getX() - 8), (int) (pt.getY() - 8), (int) (pt.getX() + 8),
                    (int) (pt.getY() + 8), 0, 0, img.getWidth(null), img.getHeight(null), null);
        }/* ww w.ja  v a  2 s . c  o  m*/
    }
}

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From source file:org.getobjects.appserver.publisher.GoDefaultRenderer.java

/**
 * Renders an arbitary java.awt.Image object by converting it to a 
 * BufferedImage and then calling renderBufferedImage.
 * //  w  w  w. j av a 2  s .c  o m
 * @param _img - the java.awt.Image to be rendered
 * @param _ctx - the context to render the Image in
 * @return null if everything went fine, an exception otherwise
 */
public Exception renderImage(Image _img, WOContext _ctx) {
    /* Not sure whether thats the best way to accomplish this :-) */
    if (_img == null)
        return new GoInternalErrorException("got no image to render");

    if (_img instanceof BufferedImage)
        return this.renderBufferedImage((BufferedImage) _img, _ctx);

    int width = _img.getWidth(null);
    int height = _img.getHeight(null);

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

    Graphics2D g2d = bi.createGraphics();
    g2d.drawImage(_img, 0, 0, width, height, null);

    return this.renderBufferedImage(bi, _ctx);
}

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From source file:org.getobjects.appserver.publisher.JoDefaultRenderer.java

/**
 * Renders an arbitary java.awt.Image object by converting it to a 
 * BufferedImage and then calling renderBufferedImage.
 * //from w w  w  . j ava2  s  . c  o  m
 * @param _img - the java.awt.Image to be rendered
 * @param _ctx - the context to render the Image in
 * @return null if everything went fine, an exception otherwise
 */
public Exception renderImage(Image _img, WOContext _ctx) {
    /* Not sure whether thats the best way to accomplish this :-) */
    if (_img == null)
        return new JoInternalErrorException("got no image to render");

    if (_img instanceof BufferedImage)
        return this.renderBufferedImage((BufferedImage) _img, _ctx);

    int width = _img.getWidth(null);
    int height = _img.getHeight(null);

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

    Graphics2D g2d = bi.createGraphics();
    g2d.drawImage(_img, 0, 0, width, height, null);

    return this.renderBufferedImage(bi, _ctx);
}

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From source file:coolmap.canvas.datarenderer.renderer.impl.NumberComposite.java

private void updateLegend() {
    try {//  ww  w .j av a 2s.co m
        ArrayList<Image> legends = new ArrayList<Image>(4);
        if (singleRenderer != null && singleRenderer.getLegend() != null) {
            legends.add(singleRenderer.getLegend());
        }
        if (rowGroupRenderer != null && rowGroupRenderer.getLegend() != null) {
            legends.add(rowGroupRenderer.getLegend());
        }
        if (columnGroupRenderer != null && columnGroupRenderer.getLegend() != null) {
            legends.add(columnGroupRenderer.getLegend());
        }
        if (rowColumnGroupRenderer != null && rowColumnGroupRenderer.getLegend() != null) {
            legends.add(rowColumnGroupRenderer.getLegend());
        }

        if (!legends.isEmpty()) {
            int margin = 5;
            int imageWidth = 0;
            int imageHeight = 0;
            for (Image l : legends) {
                imageHeight += margin * 2 + l.getHeight(null);
                if (imageWidth < l.getWidth(null)) {
                    imageWidth = l.getWidth(null);
                }
            }

            imageWidth += margin * 2;

            if (imageWidth > 0 && imageHeight > 0) {
                legend = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice()
                        .getDefaultConfiguration()
                        .createCompatibleImage(imageWidth, imageHeight, Transparency.TRANSLUCENT);
                Graphics2D g2D = legend.createGraphics();
                g2D.translate(margin, 0);
                for (Image l : legends) {
                    g2D.translate(0, margin);
                    g2D.drawImage(l, 0, 0, null);
                    g2D.translate(0, margin + l.getHeight(null));
                }
                g2D.dispose();
            }

        }
    } catch (Exception e) {

    }
}

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From source file:org.rdv.viz.chart.FastXYItemRenderer.java

@Override
public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info,
        XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item,
        CrosshairState crosshairState, int pass) {

    boolean itemVisible = getItemVisible(series, item);

    // setup for collecting optional entity info...
    Shape entityArea = null;/*w  ww .  j  a v  a  2 s  . c o m*/
    EntityCollection entities = null;
    if (info != null) {
        entities = info.getOwner().getEntityCollection();
    }

    PlotOrientation orientation = plot.getOrientation();
    Paint paint = getItemPaint(series, item);
    Stroke seriesStroke = getItemStroke(series, item);
    g2.setPaint(paint);
    g2.setStroke(seriesStroke);

    // get the data point...
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(x1) || Double.isNaN(y1)) {
        itemVisible = false;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    if (getPlotLines()) {
        if (item == 0) {
            previousDrawnItem = 1;
        }

        if (getDrawSeriesLineAsPath()) {
            State s = (State) state;
            if (s.getSeriesIndex() != series) {
                // we are starting a new series path
                s.seriesPath.reset();
                s.setLastPointGood(false);
                s.setSeriesIndex(series);
            }

            // update path to reflect latest point
            if (itemVisible && !Double.isNaN(transX1) && !Double.isNaN(transY1)) {
                float x = (float) transX1;
                float y = (float) transY1;
                if (orientation == PlotOrientation.HORIZONTAL) {
                    x = (float) transY1;
                    y = (float) transX1;
                }
                if (s.isLastPointGood()) {
                    // TODO: check threshold
                    s.seriesPath.lineTo(x, y);
                } else {
                    s.seriesPath.moveTo(x, y);
                }
                s.setLastPointGood(true);
            } else {
                s.setLastPointGood(false);
            }
            if (item == dataset.getItemCount(series) - 1) {
                if (s.getSeriesIndex() == series) {
                    // draw path
                    g2.setStroke(lookupSeriesStroke(series));
                    g2.setPaint(lookupSeriesPaint(series));
                    g2.draw(s.seriesPath);
                }
            }
        }

        else if (item != 0 && itemVisible) {
            // get the previous data point...
            double x0 = dataset.getXValue(series, item - previousDrawnItem);
            double y0 = dataset.getYValue(series, item - previousDrawnItem);
            if (!Double.isNaN(x0) && !Double.isNaN(y0)) {
                boolean drawLine = true;
                if (getPlotDiscontinuous()) {
                    // only draw a line if the gap between the current and
                    // previous data point is within the threshold
                    int numX = dataset.getItemCount(series);
                    double minX = dataset.getXValue(series, 0);
                    double maxX = dataset.getXValue(series, numX - 1);
                    if (getGapThresholdType() == UnitType.ABSOLUTE) {
                        drawLine = Math.abs(x1 - x0) <= getGapThreshold();
                    } else {
                        drawLine = Math.abs(x1 - x0) <= ((maxX - minX) / numX * getGapThreshold());
                    }
                }
                if (drawLine) {
                    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
                    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

                    // only draw if we have good values
                    if (Double.isNaN(transX0) || Double.isNaN(transY0) || Double.isNaN(transX1)
                            || Double.isNaN(transY1)) {
                        return;
                    }

                    // Only draw line if it is more than a pixel away from the
                    // previous one
                    if ((transX1 - transX0 > 2 || transX1 - transX0 < -2 || transY1 - transY0 > 2
                            || transY1 - transY0 < -2)) {
                        previousDrawnItem = 1;

                        if (orientation == PlotOrientation.HORIZONTAL) {
                            state.workingLine.setLine(transY0, transX0, transY1, transX1);
                        } else if (orientation == PlotOrientation.VERTICAL) {
                            state.workingLine.setLine(transX0, transY0, transX1, transY1);
                        }

                        if (state.workingLine.intersects(dataArea)) {
                            g2.draw(state.workingLine);
                        }
                    } else {
                        // Increase counter for the previous drawn item.
                        previousDrawnItem++;
                    }
                }
            }
        }
    }

    // we needed to get this far even for invisible items, to ensure that
    // seriesPath updates happened, but now there is nothing more we need
    // to do for non-visible items...
    if (!itemVisible) {
        return;
    }

    // add a cursor to indicate the position of the last data item
    if (getCursorVisible() && item == dataset.getItemCount(series) - 1) {
        Line2D cursorX = new Line2D.Double(transX1 - DEFAULT_CURSOR_SIZE, transY1,
                transX1 + DEFAULT_CURSOR_SIZE, transY1);
        g2.draw(cursorX);
        Line2D cursorY = new Line2D.Double(transX1, transY1 - DEFAULT_CURSOR_SIZE, transX1,
                transY1 + DEFAULT_CURSOR_SIZE);
        g2.draw(cursorY);
    }

    if (getBaseShapesVisible()) {

        Shape shape = getItemShape(series, item);
        if (orientation == PlotOrientation.HORIZONTAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, transY1, transX1);
        } else if (orientation == PlotOrientation.VERTICAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, transX1, transY1);
        }
        if (shape.intersects(dataArea)) {
            if (getItemShapeFilled(series, item)) {
                g2.fill(shape);
            } else {
                g2.draw(shape);
            }
        }
        entityArea = shape;

    }

    if (getPlotImages()) {
        Image image = getImage(plot, series, item, transX1, transY1);
        if (image != null) {
            Point hotspot = getImageHotspot(plot, series, item, transX1, transY1, image);
            g2.drawImage(image, (int) (transX1 - hotspot.getX()), (int) (transY1 - hotspot.getY()), null);
            entityArea = new Rectangle2D.Double(transX1 - hotspot.getX(), transY1 - hotspot.getY(),
                    image.getWidth(null), image.getHeight(null));
        }

    }

    double xx = transX1;
    double yy = transY1;
    if (orientation == PlotOrientation.HORIZONTAL) {
        xx = transY1;
        yy = transX1;
    }

    // draw the item label if there is one...
    if (isItemLabelVisible(series, item)) {
        drawItemLabel(g2, orientation, dataset, series, item, xx, yy, (y1 < 0.0));
    }

    int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
    int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
    updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex, rangeAxisIndex, transX1, transY1,
            orientation);

    // add an entity for the item...
    if (entities != null && dataArea.contains(xx, yy)) {
        addEntity(entities, entityArea, dataset, series, item, xx, yy);
    }
}

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From source file:Animator.java

/**
 * Get the dimensions of an image.//from   w  w  w  .  j a  va2  s .  c om
 * 
 * @return the image's dimensions.
 */
Dimension getImageDimensions(Image im) {
    return new Dimension(im.getWidth(null), im.getHeight(null));
}

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

@Override
protected void paintComponent(Graphics g) {
    super.paintComponent(g);

    boolean doScale = true;

    int w = getWidth();
    int h = getHeight();

    Image dspImg = image;
    boolean doDisplayImage = (image != null && (!isNoAttachment && status == kImageOK)) || isLoading;
    if (isLoading) {
        doDisplayImage = true;/*  w w  w .j a  v a2s .c  o m*/
        dspImg = IconManager.getImage("Loading").getImage();
    }
    if (doDisplayImage && dspImg != null) {
        int imgW = dspImg.getWidth(null);
        int imgH = dspImg.getHeight(null);

        if (doScale && (imgW > w || imgH > h)) {
            double scaleW = 1.0;
            double scaleH = 1.0;
            double scale = 1.0;

            if (imgW > w) {
                scaleW = (double) w / imgW;
            }
            if (imgH > h) {
                scaleH = (double) h / imgH;
            }
            scale = Math.min(scaleW, scaleH);

            imgW = (int) (imgW * scale);
            imgH = (int) (imgH * scale);
        }

        int x = 0;
        int y = 0;

        if (imgW < w) {
            x = (w - imgW) / 2;
        }
        if (imgH < h) {
            y = (h - imgH) / 2;
        }
        g.drawImage(dspImg, x, y, imgW, imgH, null);

    } else if (doShowText) {
        GraphicsUtils.turnOnAntialiasedDrawing(g);
        String[] label = this.isNoAttachment ? (isFullImage ? noAttachmentStr : noThumnailStr)
                : loadingAttachmentStr;
        FontMetrics fm = g.getFontMetrics();
        int spacing = 2;
        int yOffset = (h - (fm.getHeight() + spacing) * label.length) / 2;
        if (yOffset < 0)
            yOffset = 0;
        int y = yOffset + fm.getHeight();
        for (String str : label) {
            g.drawString(str, (w - fm.stringWidth(str)) / 2, y);
            y += fm.getHeight() + 2;
        }
    }
}

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From source file:de.mpg.imeji.logic.storage.util.ImageUtils.java

/**
 * Scale a {@link BufferedImage} to new size. Is faster than the basic {@link ImageUtils}.scaleImage method, has the
 * same quality. If it is a thumbnail, cut the images to fit into the raster
 * //from   w w w .j a  v a  2  s .  c  om
 * @param image original image
 * @param size the size to be resized to
 * @param resolution the type of the image. Might be thumb or web
 * @return the resized images
 * @throws Exception
 */
public static BufferedImage scaleImageFast(BufferedImage image, int size, FileResolution resolution)
        throws Exception {
    int width = image.getWidth(null);
    int height = image.getHeight(null);
    BufferedImage newImg = null;
    Image rescaledImage;
    if (width > height) {
        if (FileResolution.THUMBNAIL.equals(resolution)) {
            newImg = new BufferedImage(height, height, BufferedImage.TYPE_INT_RGB);
            Graphics g1 = newImg.createGraphics();
            g1.drawImage(image, (height - width) / 2, 0, null);
            if (height > size)
                rescaledImage = getScaledInstance(newImg, size, size,
                        RenderingHints.VALUE_INTERPOLATION_BILINEAR, RESCALE_HIGH_QUALITY);
            else
                rescaledImage = newImg;
        } else
            rescaledImage = getScaledInstance(image, size, height * size / width,
                    RenderingHints.VALUE_INTERPOLATION_BILINEAR, RESCALE_HIGH_QUALITY);
    } else {
        if (FileResolution.THUMBNAIL.equals(resolution)) {
            newImg = new BufferedImage(width, width, BufferedImage.TYPE_INT_RGB);
            Graphics g1 = newImg.createGraphics();
            g1.drawImage(image, 0, (width - height) / 2, null);
            if (width > size)
                rescaledImage = getScaledInstance(newImg, size, size,
                        RenderingHints.VALUE_INTERPOLATION_BILINEAR, RESCALE_HIGH_QUALITY);
            else
                rescaledImage = newImg;
        } else
            rescaledImage = getScaledInstance(image, width * size / height, size,
                    RenderingHints.VALUE_INTERPOLATION_BILINEAR, RESCALE_HIGH_QUALITY);
    }
    BufferedImage rescaledBufferedImage = new BufferedImage(rescaledImage.getWidth(null),
            rescaledImage.getHeight(null), BufferedImage.TYPE_INT_RGB);
    Graphics g2 = rescaledBufferedImage.getGraphics();
    g2.drawImage(rescaledImage, 0, 0, null);
    return rescaledBufferedImage;
}

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From source file:com.celements.photo.image.GenerateThumbnail.java

public BufferedImage createThumbnail(BufferedImage img, OutputStream out, ImageDimensions imgSize,
        String watermark, String copyright, String type, Color defaultBg) {
    Image thumbImg = img;
    // Only generates a thumbnail if the image is larger than the desired thumbnail.
    mLogger.debug("img: " + img + " - imgSize: " + imgSize);
    if ((img.getWidth() > (int) imgSize.getWidth()) || (img.getHeight() > (int) imgSize.getHeight())) {
        // The "-1" is used to resize maintaining the aspect ratio.
        thumbImg = img.getScaledInstance((int) imgSize.getWidth(), -1, Image.SCALE_SMOOTH);
    }/*from   w w  w . ja  v  a 2s.  c  o  m*/
    mLogger.debug("width ziel: " + imgSize.getWidth() + ", height ziel: " + imgSize.getHeight() + "; width: "
            + thumbImg.getWidth(null) + ", height: " + thumbImg.getHeight(null));
    BufferedImage buffThumb = convertImageToBufferedImage(thumbImg, watermark, copyright, defaultBg);
    encodeImage(out, buffThumb, img, type);
    return buffThumb;
}

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