Package java.awt.image

Examples of java.awt.image.BufferedImage


    final Rectangle2D dataArea = getDataAreaOffset();
    final Rectangle2D otherArea = new Rectangle2D.Double();

    if ((ObjectUtilities.equal(bounds, this.bounds)) == false)
    {
      final BufferedImage image = new BufferedImage(1, 1, BufferedImage.TYPE_4BYTE_ABGR);
      final Graphics2D graphics = image.createGraphics();
      draw(graphics, bounds);
      graphics.dispose();
    }

    final ImageMap map = new ImageMap();
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       JButton button = null;
       if (imageResourceName != null) {
            InputStream inputStream = resourceClass.getResourceAsStream(imageResourceName);
            if (inputStream != null) {
                try {
                    BufferedImage image = ImageIO.read(inputStream);

                    button = new BorderlessImageButton( action, new ImageIcon(image) );
                }
                catch (IOException e) {
                    LOGGER.error("Reading image " + imageResourceName, e);
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   public static ImageIcon getImageIcon( Class resourceClass, String imageResourceName )
   {
      InputStream inputStream = resourceClass.getResourceAsStream(imageResourceName);
      if (inputStream != null) {
          try {
              BufferedImage image = ImageIO.read(inputStream);
              return new ImageIcon( image );
             }
          catch (IOException e) {
              LOGGER.error("Reading image " + imageResourceName, e);
          }
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    return Math.min(max_size.width, max_size.height);
  }

  /** Native cursor handles */
  public static Cursor createCursor(int width, int height, int xHotspot, int yHotspot, int numImages, IntBuffer images, IntBuffer delays) throws LWJGLException {
    BufferedImage cursor_image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    int[] pixels = new int[images.remaining()];
    int old_position = images.position();
    images.get(pixels);
    images.position(old_position);
    cursor_image.setRGB(0, 0, width, height, pixels, 0, width);
    return Toolkit.getDefaultToolkit().createCustomCursor(cursor_image, new Point(xHotspot, yHotspot), "LWJGL Custom cursor");
  }
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        Texture texture = new Texture(target,textureID);

        // bind this texture
        glBindTexture(target, textureID);

        BufferedImage bufferedImage = loadImage(resourceName);
        texture.setWidth(bufferedImage.getWidth());
        texture.setHeight(bufferedImage.getHeight());

        if (bufferedImage.getColorModel().hasAlpha()) {
            srcPixelFormat = GL_RGBA;
        } else {
            srcPixelFormat = GL_RGB;
        }

        // convert that image into a byte buffer of texture data
        ByteBuffer textureBuffer = convertImageData(bufferedImage,texture);

        if (target == GL_TEXTURE_2D) {
            glTexParameteri(target, GL_TEXTURE_MIN_FILTER, minFilter);
            glTexParameteri(target, GL_TEXTURE_MAG_FILTER, magFilter);
        }

        // produce a texture from the byte buffer
        glTexImage2D(target,
                      0,
                      dstPixelFormat,
                      get2Fold(bufferedImage.getWidth()),
                      get2Fold(bufferedImage.getHeight()),
                      0,
                      srcPixelFormat,
                      GL_UNSIGNED_BYTE,
                      textureBuffer );
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     * @return A buffer containing the data
     */
    private ByteBuffer convertImageData(BufferedImage bufferedImage,Texture texture) {
        ByteBuffer imageBuffer;
        WritableRaster raster;
        BufferedImage texImage;

        int texWidth = 2;
        int texHeight = 2;

        // find the closest power of 2 for the width and height
        // of the produced texture
        while (texWidth < bufferedImage.getWidth()) {
            texWidth *= 2;
        }
        while (texHeight < bufferedImage.getHeight()) {
            texHeight *= 2;
        }

        texture.setTextureHeight(texHeight);
        texture.setTextureWidth(texWidth);

        // create a raster that can be used by OpenGL as a source
        // for a texture
        if (bufferedImage.getColorModel().hasAlpha()) {
            raster = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE,texWidth,texHeight,4,null);
            texImage = new BufferedImage(glAlphaColorModel,raster,false,new Hashtable());
        } else {
            raster = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE,texWidth,texHeight,3,null);
            texImage = new BufferedImage(glColorModel,raster,false,new Hashtable());
        }

        // copy the source image into the produced image
        Graphics g = texImage.getGraphics();
        g.setColor(new Color(0f,0f,0f,0f));
        g.fillRect(0,0,texWidth,texHeight);
        g.drawImage(bufferedImage,0,0,null);

        // build a byte buffer from the temporary image
        // that be used by OpenGL to produce a texture.
        byte[] data = ((DataBufferByte) texImage.getRaster().getDataBuffer()).getData();

        imageBuffer = ByteBuffer.allocateDirect(data.length);
        imageBuffer.order(ByteOrder.nativeOrder());
        imageBuffer.put(data, 0, data.length);
        imageBuffer.flip();
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        // due to an issue with ImageIO and mixed signed code
        // we are now using good oldfashioned ImageIcon to load
        // images and the paint it on top of a new BufferedImage
        Image img = new ImageIcon(url).getImage();
        BufferedImage bufferedImage = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_RGB);
        Graphics g = bufferedImage.getGraphics();
        g.drawImage(img, 0, 0, null);
        g.dispose();

        return bufferedImage;
    }
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                                 final double deviceScaleFactor) throws UnsupportedEncoderException, IOException
  {
    final int imageWidth = (int) StrictGeomUtility.toExternalValue(width);
    final int imageHeight = (int) StrictGeomUtility.toExternalValue(height);
    // first clip.
    final BufferedImage bi = ImageUtils.createTransparentImage(imageWidth, imageHeight);
    final Graphics2D graphics = (Graphics2D) bi.getGraphics();
    graphics.scale(deviceScaleFactor, deviceScaleFactor);

    if (image instanceof BufferedImage)
    {
      if (graphics.drawImage(image, null, null) == false)
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  /**
   * @see Graphics2D#drawImage(BufferedImage, BufferedImageOp, int, int)
   */
  public void drawImage(final BufferedImage img, final BufferedImageOp op, final int x, final int y)
  {
    BufferedImage result = img;
    if (op != null)
    {
      result = op.createCompatibleDestImage(img, img.getColorModel());
      result = op.filter(img, result);
    }
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   * @noinspection UseOfObsoleteCollectionType
   * @see Graphics2D#drawRenderedImage(RenderedImage, AffineTransform)
   */
  public void drawRenderedImage(final RenderedImage img, final AffineTransform xform)
  {
    final BufferedImage image;
    if (img instanceof BufferedImage)
    {
      image = (BufferedImage) img;
    }
    else
    {
      final ColorModel cm = img.getColorModel();
      final int width = img.getWidth();
      final int height = img.getHeight();
      final WritableRaster raster = cm.createCompatibleWritableRaster(width, height);
      final boolean isAlphaPremultiplied = cm.isAlphaPremultiplied();
      final Hashtable properties = new Hashtable();
      final String[] keys = img.getPropertyNames();
      if (keys != null)
      {
        final int keyCount = keys.length;
        for (int i = 0; i < keyCount; i++)
        {
          properties.put(keys[i], img.getProperty(keys[i]));
        }
      }
      final BufferedImage result = new BufferedImage(cm, raster, isAlphaPremultiplied, properties);
      img.copyData(raster);
      image = result;
    }
    drawImage(image, xform, null);
  }
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