Example usage for java.awt Image getHeight

Introduction

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

Prototype

public abstract int getHeight(ImageObserver observer);

Source Link

Document

Determines the height of the image.

Usage

From source file:com.pureinfo.tgirls.servlet.TestServlet.java

private BufferedImage getImg(File _temp, float _i) throws IOException {
    BufferedImage output;/*from w w  w .j ava 2  s  . c o  m*/
    Image img = ImageIO.read(_temp);
    int width = img.getWidth(null);
    int height = img.getHeight(null);

    Float f = width * _i;
    width = f.intValue();
    f = height * _i;
    height = f.intValue();

    output = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics g = output.getGraphics();
    g.drawImage(img, 0, 0, width, height, null);
    g.dispose();
    return output;
}

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From source file:ImageOps.java

public void init() {
    setBackground(Color.white);//from ww w  .java 2s . c  om

    bi = new BufferedImage[4];
    String s[] = { "bld.jpg", "bld.jpg", "boat.gif", "boat.gif" };
    for (int i = 0; i < bi.length; i++) {
        Image img = getImage(getURL("images/" + s[i]));
        try {
            MediaTracker tracker = new MediaTracker(this);
            tracker.addImage(img, 0);
            tracker.waitForID(0);
        } catch (Exception e) {
        }
        int iw = img.getWidth(this);
        int ih = img.getHeight(this);
        bi[i] = new BufferedImage(iw, ih, BufferedImage.TYPE_INT_RGB);
        Graphics2D big = bi[i].createGraphics();
        big.drawImage(img, 0, 0, this);
    }
}

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From source file:net.sradonia.gui.SplashScreen.java

/**
 * @param image//from  ww w.  java  2  s  .c o m
 *            the new splash screen image
 */
public void setImage(Image image) {
    if (image == null)
        throw new IllegalArgumentException("null image");
    this.image = image;
    window.setSize(image.getWidth(window), image.getHeight(window));
    window.setLocationRelativeTo(null);
    log.debug("image set. dimensions: " + window.getBounds());
}

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From source file:com.chinarewards.gwt.license.util.FileUploadServlet.java

/**
 * @param imgsrc//from   ww w  .  ja v a 2 s  . c o m
 *            
 * @param imgdist
 *            ?
 * @param widthdist
 *            
 * @param heightdist
 *            
 * @param int benchmark :0,12
 * 
 */
public void reduceImg(InputStream inputStream, String outputFilePath, String imgdist, int widthdist,
        int heightdist, int benchmark) {
    try {
        // File srcfile = new File(srcFile);
        // if (!srcfile.exists()) {
        // return;
        // }

        boolean flag = true;

        Image srcImage = javax.imageio.ImageIO.read(inputStream);
        if (srcImage != null) {
            int width = srcImage.getWidth(null);
            int height = srcImage.getHeight(null);
            if (width <= widthdist && height <= heightdist) {// ??
                BufferedOutputStream outputStream = new BufferedOutputStream(
                        new FileOutputStream(new File(outputFilePath)));
                Streams.copy(inputStream, outputStream, true);

                flag = false;
            }

            if (flag) {

                // 
                float wh = (float) width / (float) height;
                if (benchmark == 0) {
                    if (wh > 1) {
                        float tmp_heigth = (float) widthdist / wh;
                        BufferedImage tag = new BufferedImage(widthdist, (int) tmp_heigth,
                                BufferedImage.TYPE_INT_RGB);
                        tag.getGraphics().drawImage(srcImage, 0, 0, widthdist, (int) tmp_heigth, null);
                        FileOutputStream out = new FileOutputStream(imgdist);
                        JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
                        encoder.encode(tag);
                        out.close();
                    } else {
                        float tmp_width = (float) heightdist * wh;
                        BufferedImage tag = new BufferedImage((int) tmp_width, heightdist,
                                BufferedImage.TYPE_INT_RGB);
                        tag.getGraphics().drawImage(srcImage, 0, 0, (int) tmp_width, heightdist, null);
                        FileOutputStream out = new FileOutputStream(imgdist);
                        JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
                        encoder.encode(tag);
                        out.close();
                    }
                }
                if (benchmark == 1) {
                    float tmp_heigth = (float) widthdist / wh;
                    BufferedImage tag = new BufferedImage(widthdist, (int) tmp_heigth,
                            BufferedImage.TYPE_INT_RGB);
                    tag.getGraphics().drawImage(srcImage, 0, 0, widthdist, (int) tmp_heigth, null);
                    FileOutputStream out = new FileOutputStream(imgdist);
                    JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
                    encoder.encode(tag);
                    out.close();
                }
                if (benchmark == 2) {
                    float tmp_width = (float) heightdist * wh;
                    BufferedImage tag = new BufferedImage((int) tmp_width, heightdist,
                            BufferedImage.TYPE_INT_RGB);
                    tag.getGraphics().drawImage(srcImage, 0, 0, (int) tmp_width, heightdist, null);
                    FileOutputStream out = new FileOutputStream(imgdist);
                    JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
                    encoder.encode(tag);
                    out.close();
                }

            }
        }

    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

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From source file:org.mili.core.graphics.GraphicsUtilTest.java

@Test
public void test_Image_readImage_File() {
    // negativ//from www .j  a v  a  2 s.c  om
    try {
        GraphicsUtil.readImage(null);
        fail("here was null given, but method works !");
    } catch (IllegalArgumentException e) {
        assertTrue(true);
    } catch (IOException e) {
        fail();
    }
    try {
        GraphicsUtil.readImage(new File(this.dir, "/xyz/test.jpg"));
        fail("file not exists here, but method works !");
    } catch (IOException e) {
        assertTrue(true);
    }
    // positiv
    try {
        Image i = GraphicsUtil.readImage(new File(this.dir, "test.jpg"));
        assertTrue(i != null);
        assertEquals(100, i.getHeight(null));
        assertEquals(100, i.getWidth(null));
    } catch (IOException e) {
        e.printStackTrace();
        fail();
    }
    return;
}

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From source file:com.pureinfo.tgirls.servlet.TestServlet.java

private int[] getimgSize(FileItem _fileItem) {
    try {//w  w  w . j  av a2  s  . co m
        logger.debug("to calc img width and height.");

        Image image = ImageIO.read(_fileItem.getInputStream());
        int[] s = new int[2];
        s[0] = image.getWidth(null);
        s[1] = image.getHeight(null);

        logger.debug("width[" + s[0] + "] height[" + s[1] + "]");

        return s;
    } catch (Exception e) {
        logger.error("error when calc image size.", e);
        return new int[] { -1, -1 };
    }
}

---

From source file:TexturedPanel.java

/**
 * Creates a new TexturePaint using the provided image.
 *//*  w  ww  .  j ava  2  s .  c o  m*/
private void setupImagePainter(Image texture) {
    if (texture == null) {
        ourPainter = null;
        return;
    }

    int w = texture.getWidth(this);
    int h = texture.getHeight(this);

    if (w <= 0 || h <= 0) {
        ourPainter = null;
        return;
    }

    BufferedImage buff = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB_PRE);

    Graphics2D g2 = buff.createGraphics();
    g2.drawImage(texture, 0, 0, this);
    ourPainter = new TexturePaint(buff, new Rectangle(0, 0, w, h));

    g2.dispose();
}

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From source file:org.openstreetmap.josm.tools.ImageProvider.java

/**
 * Creates a rotated version of the input image.
 *
 * @param c The component to get properties useful for painting, e.g. the foreground or
 * background color.//from w  ww .  j  a v  a 2 s  .  c  o  m
 * @param img the image to be rotated.
 * @param rotatedAngle the rotated angle, in degree, clockwise. It could be any double but we
 * will mod it with 360 before using it.
 *
 * @return the image after rotating.
 */
public static Image createRotatedImage(Component c, Image img, double rotatedAngle) {
    // convert rotatedAngle to a value from 0 to 360
    double originalAngle = rotatedAngle % 360;
    if (rotatedAngle != 0 && originalAngle == 0) {
        originalAngle = 360.0;
    }

    // convert originalAngle to a value from 0 to 90
    double angle = originalAngle % 90;
    if (originalAngle != 0.0 && angle == 0.0) {
        angle = 90.0;
    }

    double radian = Math.toRadians(angle);

    new ImageIcon(img); // load completely
    int iw = img.getWidth(null);
    int ih = img.getHeight(null);
    int w;
    int h;

    if ((originalAngle >= 0 && originalAngle <= 90) || (originalAngle > 180 && originalAngle <= 270)) {
        w = (int) (iw * Math.sin(DEGREE_90 - radian) + ih * Math.sin(radian));
        h = (int) (iw * Math.sin(radian) + ih * Math.sin(DEGREE_90 - radian));
    } else {
        w = (int) (ih * Math.sin(DEGREE_90 - radian) + iw * Math.sin(radian));
        h = (int) (ih * Math.sin(radian) + iw * Math.sin(DEGREE_90 - radian));
    }
    BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics g = image.getGraphics();
    Graphics2D g2d = (Graphics2D) g.create();

    // calculate the center of the icon.
    int cx = iw / 2;
    int cy = ih / 2;

    // move the graphics center point to the center of the icon.
    g2d.translate(w / 2, h / 2);

    // rotate the graphics about the center point of the icon
    g2d.rotate(Math.toRadians(originalAngle));

    g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    g2d.drawImage(img, -cx, -cy, c);

    g2d.dispose();
    new ImageIcon(image); // load completely
    return image;
}

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From source file:ucar.unidata.idv.flythrough.ChartDecorator.java

/**
 * _more_/*  ww  w  .  j  ava 2  s .  c  o  m*/
 *
 * @param g2 _more_
 * @param comp _more_
 *
 * @return _more_
 */
public boolean paintDashboard(Graphics2D g2, JComponent comp) {
    try {
        List<SampleInfo> infos = new ArrayList<SampleInfo>(sampleInfos);
        if (infos.size() == 0) {
            return false;
        }
        Rectangle b = comp.getBounds();
        JFrame dummyFrame = new JFrame("");
        XYSeriesCollection dataset = new XYSeriesCollection();
        JFreeChart chart = Flythrough.createChart(dataset);
        XYPlot xyPlot = (XYPlot) chart.getPlot();

        int chartHeight = b.height - flythrough.getDashboardImage().getHeight(null);
        chartHeight = Math.max(chartHeight, 50);
        int chartWidth = Math.min(chartHeight * 4, b.width);

        int dx = b.width / 2 - chartWidth / 2;
        int dy = 0;

        Image lastImage = lastChartImage;
        if ((lastImage != null) && (lastImage.getWidth(null) == chartWidth)
                && (lastImage.getHeight(null) == chartHeight)) {
            g2.translate(dx, dy);
            g2.drawImage(lastImage, 0, 0, null);
            g2.translate(-dx, -dy);
            return false;
        }

        for (int i = 0; i < infos.size(); i++) {
            SampleInfo info = infos.get(i);
            ValueAxis rangeAxis = new NumberAxis(info.getName());
            if (info.getRange() != null) {
                rangeAxis
                        .setRange(new org.jfree.data.Range(info.getRange().getMin(), info.getRange().getMax()));
            }
            dataset = new XYSeriesCollection();
            dataset.addSeries(info.getSeries());
            xyPlot.setRangeAxis(i, rangeAxis, false);
            xyPlot.setDataset(i, dataset);
            xyPlot.mapDatasetToRangeAxis(i, i);
            final Color color = COLORS[i % COLORS.length];
            XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, false) {
                public Paint xgetItemPaint(final int row, final int column) {
                    return color;
                }
            };
            renderer.setSeriesPaint(0, color);
            xyPlot.setRenderer(i, renderer);
        }

        ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new Dimension(chartWidth, chartHeight));
        dummyFrame.setContentPane(chartPanel);
        dummyFrame.pack();
        Image image = ImageUtils.getImage(chartPanel);
        lastChartImage = image;
        g2.translate(dx, dy);
        g2.drawImage(image, 0, 0, null);
        g2.translate(-dx, -dy);
    } catch (Exception exc) {
        logException("Painting chart", exc);

    }

    return false;

}

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From source file:org.shredzone.cilla.admin.AbstractImageBean.java

/**
 * Scales a {@link BufferedImage} to the given size, keeping the aspect ratio. If the
 * image is smaller than the resulting size, it will be magnified.
 *
 * @param image//from   w  w  w .j a  v  a 2 s.  c om
 *            {@link BufferedImage} to scale
 * @param width
 *            Maximum result width
 * @param height
 *            Maximum result height
 * @return {@link BufferedImage} with the scaled image
 */
private BufferedImage scale(BufferedImage image, int width, int height) {
    ImageObserver observer = null;

    Image scaled = null;
    if (image.getWidth() > image.getHeight()) {
        scaled = image.getScaledInstance(width, -1, Image.SCALE_SMOOTH);
    } else {
        scaled = image.getScaledInstance(-1, height, Image.SCALE_SMOOTH);
    }

    BufferedImage result = new BufferedImage(scaled.getWidth(observer), scaled.getHeight(observer),
            BufferedImage.TYPE_INT_RGB);
    result.createGraphics().drawImage(scaled, 0, 0, observer);
    return result;
}

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