Example usage for java.awt Graphics drawImage

Introduction

In this page you can find the example usage for java.awt Graphics drawImage.

Prototype

public abstract boolean drawImage(Image img, int x, int y, ImageObserver observer);

Source Link

Document

Draws as much of the specified image as is currently available.

Usage

From source file:IconLine.java

public void paintIcon(Component c, Graphics g, int x, int y) {
    int dx = 0;/*w ww. j a v a 2 s. c  o m*/

    for (int i = 0; i < vImages.size(); i++) {
        Image image = (Image) vImages.get(i);

        g.drawImage(image, x + dx, y, c);
        dx += image.getWidth(c) + iSpace;
    }
}

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From source file:com.frostwire.gui.library.LibraryCoverArt.java

@Override
public void paint(Graphics g) {
    super.paint(g);
    g.drawImage(background, 0, 0, null);
}

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From source file:br.com.renatoccosta.regexrenamer.view.FrmAbout.java

@Override
protected JRootPane createRootPane() {
    final ImageIcon imageIcon = new ImageIcon(getClass().getResource("/background.png"));

    return new JRootPane() {

        Image image = imageIcon.getImage();

        {/* w  w  w .  ja  v  a 2  s.  co m*/
            setOpaque(false);
        }

        @Override
        protected void paintComponent(Graphics g) {
            g.drawImage(image, 0, 0, this);
            super.paintComponent(g);
        }

    };
}

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From source file:ScreenCapture.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);
    if (image != null)
        g.drawImage(image, 0, 0, this);

    if (startPoint.x != endPoint.x || startPoint.y != endPoint.y) {
        int x1 = (startPoint.x < endPoint.x) ? startPoint.x : endPoint.x;
        int y1 = (startPoint.y < endPoint.y) ? startPoint.y : endPoint.y;
        int x2 = (startPoint.x > endPoint.x) ? startPoint.x : endPoint.x;
        int y2 = (startPoint.y > endPoint.y) ? startPoint.y : endPoint.y;
        selectedRectangle.x = x1;//w  ww .  j  a  v a2s  .  c  o  m
        selectedRectangle.y = y1;
        selectedRectangle.width = (x2 - x1) + 1;
        selectedRectangle.height = (y2 - y1) + 1;
        Graphics2D g2d = (Graphics2D) g;
        g2d.draw(selectedRectangle);
    }
}

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From source file:MyCanvas.java

public void paint(Graphics g) {
    if (getSize().width <= 0 || getSize().height <= 0)
        return;/*from w  ww  . j  ava2  s .  c o m*/

    Graphics2D g2 = createDemoGraphics2D(g);
    draw(g2);

    g2.dispose();

    if (offImg != null && isShowing()) {
        g.drawImage(offImg, 0, 0, this);
    }
}

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From source file:SlidePuzzle.java

public void paint(Graphics g) {
    if (m_fAllLoaded) {
        Rectangle r = g.getClipRect();
        g.clearRect(r.x, r.y, r.width, r.height);
        g.drawImage(logo, 0, 0, null);

    } else//from   w w  w  .j a va  2s  . c  o m
        g.drawString("Loading images...", 10, 20);

}

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From source file:org.sejda.sambox.pdmodel.graphics.image.JPEGFactoryTest.java

@Test
public void testCreateFromImageINT_ARGB() throws IOException {
    // workaround Open JDK bug
    // http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7044758
    if (System.getProperty("java.runtime.name").equals("OpenJDK Runtime Environment")
            && (System.getProperty("java.specification.version").equals("1.6")
                    || System.getProperty("java.specification.version").equals("1.7")
                    || System.getProperty("java.specification.version").equals("1.8"))) {
        return;/* ww w .j a va2s.  co m*/
    }

    PDDocument document = new PDDocument();
    BufferedImage image = ImageIO.read(JPEGFactoryTest.class.getResourceAsStream("jpeg.jpg"));

    // create an ARGB image
    int width = image.getWidth();
    int height = image.getHeight();
    BufferedImage argbImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics ag = argbImage.getGraphics();
    ag.drawImage(image, 0, 0, null);
    ag.dispose();

    for (int x = 0; x < argbImage.getWidth(); ++x) {
        for (int y = 0; y < argbImage.getHeight(); ++y) {
            argbImage.setRGB(x, y, (argbImage.getRGB(x, y) & 0xFFFFFF) | ((y / 10 * 10) << 24));
        }
    }

    PDImageXObject ximage = JPEGFactory.createFromImage(argbImage);
    validate(ximage, 8, width, height, "jpg", PDDeviceRGB.INSTANCE.getName());
    assertNotNull(ximage.getSoftMask());
    validate(ximage.getSoftMask(), 8, width, height, "jpg", PDDeviceGray.INSTANCE.getName());
    assertTrue(colorCount(ximage.getSoftMask().getImage()) > image.getHeight() / 10);

    doWritePDF(document, ximage, testResultsDir, "jpeg-intargb.pdf");
}

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From source file:org.sejda.sambox.pdmodel.graphics.image.JPEGFactoryTest.java

@Test
public void testCreateFromImage4BYTE_ABGR() throws IOException {
    // workaround Open JDK bug
    // http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7044758
    if (System.getProperty("java.runtime.name").equals("OpenJDK Runtime Environment")
            && (System.getProperty("java.specification.version").equals("1.6")
                    || System.getProperty("java.specification.version").equals("1.7")
                    || System.getProperty("java.specification.version").equals("1.8"))) {
        return;//from  w w w . j  av a2s  .c o  m
    }

    PDDocument document = new PDDocument();
    BufferedImage image = ImageIO.read(JPEGFactoryTest.class.getResourceAsStream("jpeg.jpg"));

    // create an ARGB image
    int width = image.getWidth();
    int height = image.getHeight();
    BufferedImage argbImage = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
    Graphics ag = argbImage.getGraphics();
    ag.drawImage(image, 0, 0, null);
    ag.dispose();

    for (int x = 0; x < argbImage.getWidth(); ++x) {
        for (int y = 0; y < argbImage.getHeight(); ++y) {
            argbImage.setRGB(x, y, (argbImage.getRGB(x, y) & 0xFFFFFF) | ((y / 10 * 10) << 24));
        }
    }

    PDImageXObject ximage = JPEGFactory.createFromImage(argbImage);
    validate(ximage, 8, width, height, "jpg", PDDeviceRGB.INSTANCE.getName());
    assertNotNull(ximage.getSoftMask());
    validate(ximage.getSoftMask(), 8, width, height, "jpg", PDDeviceGray.INSTANCE.getName());
    assertTrue(colorCount(ximage.getSoftMask().getImage()) > image.getHeight() / 10);

    doWritePDF(document, ximage, testResultsDir, "jpeg-4bargb.pdf");
}

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From source file:GrabandFade.java

/**
 * continually draw image, then decrease color components of all pixels
 * contained in the originalPixelArray array until color components are all
 * 0/* ww  w. j  a v a  2 s.  co  m*/
 */
public void paint(Graphics g) {
    int value;
    int alpha, sourceRed, sourceGreen, sourceBlue;
    if (newImage != null) {
        g.drawImage(newImage, 0, 0, this); // redraw image

        // if image isn't faded to black, continue
        if (imageLoaded == false) {
            imageLoaded = true;
            for (int x = 0; x < width; x += 1)
                for (int y = 0; y < height; y += 1) {

                    // find the color components
                    value = originalPixelArray[x * height + y];
                    alpha = (value >> 24) & 0x000000ff;
                    sourceRed = (value >> 16) & 0x000000ff;
                    sourceGreen = (value >> 8) & 0x000000ff;
                    sourceBlue = value & 0x000000ff;

                    // subtract index from each red component
                    if (sourceRed > index) {
                        sourceRed -= index;
                        imageLoaded = false;
                    } else
                        sourceRed = 0;

                    // subtract index from each green component
                    if (sourceGreen > index) {
                        sourceGreen -= index;
                        imageLoaded = false;
                    } else
                        sourceGreen = 0;

                    // subtract index from each blue component
                    if (sourceBlue > index) {
                        sourceBlue -= index;
                        imageLoaded = false;
                    } else
                        sourceBlue = 0;

                    /*
                     * when we pack new color components into integer we
                     * make sure the alpha (transparency) value represents
                     * opaque
                     */
                    value = (alpha << 24);
                    value += (sourceRed << 16);
                    value += (sourceGreen << 8);
                    value += sourceBlue;

                    // fill pixel array
                    originalPixelArray[x * height + y] = value;
                }
            mis.newPixels(); //send pixels to ImageConsumer
        }
    }
}

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From source file:com.ace.erp.controller.sys.company.OrganizationController.java

@RequestMapping(value = "/company/uploadLogo", method = RequestMethod.POST)
@ResponseBody//from  www.j av  a2 s .  c o  m
public Response uploadLogo(@CurrentUser User user, String srcImageFile, int x, int y, int destWidth,
        int destHeight, int srcShowWidth, int srcShowHeight, HttpServletRequest request) {
    try {
        String path = request.getSession().getServletContext().getRealPath("/");
        String contextPath = request.getContextPath();
        Image img;
        ImageFilter cropFilter;
        //String srcFileName = FilenameUtils.getName(srcImageFile);
        String srcFileName = StringUtils.isNotBlank(contextPath) ? srcImageFile.replaceFirst(contextPath, "")
                : srcImageFile;
        // ???
        File srcFile = new File(path + "/" + srcFileName);

        BufferedImage bi = ImageIO.read(srcFile);
        //??????????
        int srcWidth = bi.getWidth(); // ?
        int srcHeight = bi.getHeight(); // ?
        if (srcShowWidth == 0)
            srcShowWidth = srcWidth;
        if (srcShowHeight == 0)
            srcShowHeight = srcHeight;

        if (srcShowWidth >= destWidth && srcShowHeight >= destHeight) {
            //???
            Image image = bi.getScaledInstance(srcShowWidth, srcShowHeight, Image.SCALE_DEFAULT);

            cropFilter = new CropImageFilter(x, y, destWidth, destHeight);

            img = Toolkit.getDefaultToolkit()
                    .createImage(new FilteredImageSource(image.getSource(), cropFilter));
            BufferedImage tag = new BufferedImage(destWidth, destHeight, BufferedImage.TYPE_INT_RGB);
            Graphics g = tag.getGraphics();
            g.drawImage(img, 0, 0, null); // ??
            g.dispose();

            String ext = FilenameUtils.getExtension(srcImageFile);

            //path += HEADER_PIC;
            //User loginUser = SystemUtil.getLoginUser(request.getSession());
            //String fileName = user.getOrganizationList().get(0).getId()+"";
            File destImageFile = new File(path + "/" + System.currentTimeMillis() + ".jpg");
            // 
            ImageIO.write(tag, ext, destImageFile);

            //loginUser.setPicPath(SystemConst.SYSTEM_CONTEXT_PATH_VALUE + HEADER_PIC + "/" + fileName);
            //userService.update(loginUser);
            // 
            srcFile.delete();
            return new Response(new ResponseHeader(200, 20));
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

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