Ejemplo n.º 1
0
 private static ImageElement fetchImageProperties(
     final BufferedImage source,
     final ImageType imageType,
     final String id,
     final Date modifiedDate,
     final String mimeType)
     throws NullPointerException, IOException {
   if (verifyNotNull(source)) {
     ImageElement image = new ImageElement();
     image.setBitDepth(
         verifyNotNull(source.getColorModel().getPixelSize())
             ? source.getColorModel().getPixelSize()
             : 0);
     image.setHeight(verifyNotNull(source.getHeight()) ? source.getHeight() : 0);
     image.setWidth(verifyNotNull(source.getWidth()) ? source.getWidth() : 0);
     image.setSizeInBytes(determineSizeOfBufferedImage(source, imageType.toString()));
     image.setCreated(new Date(System.currentTimeMillis()));
     image.setTransparent(
         determineTransparencyType(source.getGraphics().getColor().getTransparency()));
     if (verifyNotNull(modifiedDate)) image.setModified(modifiedDate);
     image.setId((verifyNotNull(id) ? id : ""));
     image.setFontType(
         verifyNotNull(source.getGraphics().getFont())
             ? source.getGraphics().getFont()
             : new Font("Default", 0, 0));
     image.setMediaType(MediaType.Missing);
     return image;
   }
   throw new NullPointerException(E_OBJECT_WAS_NULL);
 }
  public final BufferedImage filter(BufferedImage src, BufferedImage dst) {
    if (src == dst) {
      // awt.252=Source can't be same as the destination
      throw new IllegalArgumentException(Messages.getString("awt.252")); // $NON-NLS-1$
    }

    ColorModel srcCM = src.getColorModel();
    BufferedImage finalDst = null;

    if (srcCM instanceof IndexColorModel
        && (iType != TYPE_NEAREST_NEIGHBOR || srcCM.getPixelSize() % 8 != 0)) {
      src = ((IndexColorModel) srcCM).convertToIntDiscrete(src.getRaster(), true);
      srcCM = src.getColorModel();
    }

    if (dst == null) {
      dst = createCompatibleDestImage(src, srcCM);
    } else {
      if (!srcCM.equals(dst.getColorModel())) {
        // Treat BufferedImage.TYPE_INT_RGB and
        // BufferedImage.TYPE_INT_ARGB as same
        if (!((src.getType() == BufferedImage.TYPE_INT_RGB
                || src.getType() == BufferedImage.TYPE_INT_ARGB)
            && (dst.getType() == BufferedImage.TYPE_INT_RGB
                || dst.getType() == BufferedImage.TYPE_INT_ARGB))) {
          finalDst = dst;
          dst = createCompatibleDestImage(src, srcCM);
        }
      }
    }

    // Skip alpha channel for TYPE_INT_RGB images
    if (slowFilter(src.getRaster(), dst.getRaster()) != 0) {
      // awt.21F=Unable to transform source
      throw new ImagingOpException(Messages.getString("awt.21F")); // $NON-NLS-1$
      // TODO - uncomment
      // if (ippFilter(src.getRaster(), dst.getRaster(), src.getType()) !=
      // 0)
      // throw new ImagingOpException ("Unable to transform source");
    }

    if (finalDst != null) {
      Graphics2D g = finalDst.createGraphics();
      g.setComposite(AlphaComposite.Src);
      g.drawImage(dst, 0, 0, null);
    } else {
      finalDst = dst;
    }

    return finalDst;
  }
Ejemplo n.º 3
0
  private BufferedImage convert(BufferedImage image, int imageType) {
    if (image.getType() == imageType) {
      return image;
    }

    int w = image.getWidth();
    int h = image.getHeight();
    BufferedImage newImg = new BufferedImage(w, h, imageType);
    ColorSpace srcSpace = image.getColorModel().getColorSpace();
    ColorSpace newSpace = newImg.getColorModel().getColorSpace();
    ColorConvertOp convert = new ColorConvertOp(srcSpace, newSpace, null);
    convert.filter(image, newImg);
    return newImg;
  }
Ejemplo n.º 4
0
  /**
   * Save onscreen image to file - suffix must be png, jpg, or gif.
   *
   * @param filename the name of the file with one of the required suffixes
   */
  public static void save(String filename) {
    File file = new File(filename);
    String suffix = filename.substring(filename.lastIndexOf('.') + 1);

    // png files
    if (suffix.toLowerCase().equals("png")) {
      try {
        ImageIO.write(onscreenImage, suffix, file);
      } catch (IOException e) {
        e.printStackTrace();
      }
    }

    // need to change from ARGB to RGB for jpeg
    // reference: http://archives.java.sun.com/cgi-bin/wa?A2=ind0404&L=java2d-interest&D=0&P=2727
    else if (suffix.toLowerCase().equals("jpg")) {
      WritableRaster raster = onscreenImage.getRaster();
      WritableRaster newRaster;
      newRaster = raster.createWritableChild(0, 0, width, height, 0, 0, new int[] {0, 1, 2});
      DirectColorModel cm = (DirectColorModel) onscreenImage.getColorModel();
      DirectColorModel newCM =
          new DirectColorModel(
              cm.getPixelSize(), cm.getRedMask(), cm.getGreenMask(), cm.getBlueMask());
      BufferedImage rgbBuffer = new BufferedImage(newCM, newRaster, false, null);
      try {
        ImageIO.write(rgbBuffer, suffix, file);
      } catch (IOException e) {
        e.printStackTrace();
      }
    } else {
      System.out.println("Invalid image file type: " + suffix);
    }
  }
Ejemplo n.º 5
0
  public BufferedImage filter(BufferedImage src, BufferedImage dst) {
    int width = src.getWidth();
    int height = src.getHeight();
    int type = src.getType();
    WritableRaster srcRaster = src.getRaster();

    originalSpace = new Rectangle(0, 0, width, height);
    transformedSpace = new Rectangle(0, 0, width, height);
    transformSpace(transformedSpace);

    if (dst == null) {
      ColorModel dstCM = src.getColorModel();
      dst =
          new BufferedImage(
              dstCM,
              dstCM.createCompatibleWritableRaster(transformedSpace.width, transformedSpace.height),
              dstCM.isAlphaPremultiplied(),
              null);
    }
    WritableRaster dstRaster = dst.getRaster();

    int[] inPixels = getRGB(src, 0, 0, width, height, null);
    inPixels = filterPixels(width, height, inPixels, transformedSpace);
    setRGB(dst, 0, 0, transformedSpace.width, transformedSpace.height, inPixels);

    return dst;
  }
 public BufferedImage createCompatibleDestImage(BufferedImage src, ColorModel dstCM) {
   if (dstCM == null) dstCM = src.getColorModel();
   return new BufferedImage(
       dstCM,
       dstCM.createCompatibleWritableRaster(src.getWidth(), src.getHeight()),
       dstCM.isAlphaPremultiplied(),
       null);
 }
Ejemplo n.º 7
0
 /**
  * Turn a (possibly) translucent or indexed image into a display-compatible bitmask image using
  * the given alpha threshold and render-to-background colour, or display-compatible translucent
  * image. The alpha values in the image are set to either 0 (below threshold) or 255 (above
  * threshold). The render-to-background colour bg_col is used to determine how the pixels
  * overlapping transparent pixels should be rendered. The fast algorithm just sets the colour
  * behind the transparent pixels in the image (for bitmask source images); the slow algorithm
  * actually renders the image to a background of bg_col (for translucent sources).
  *
  * @param thresh alpha threshold between 0 and 255
  * @param fast use fast algorithm (only set bg_col behind transp. pixels)
  * @param bitmask true=use bitmask, false=use translucent
  */
 public JGImage toDisplayCompatible(int thresh, JGColor bg_col, boolean fast, boolean bitmask) {
   Color bgcol = new Color(bg_col.r, bg_col.g, bg_col.b);
   int bgcol_rgb = (bgcol.getRed() << 16) | (bgcol.getGreen() << 8) | bgcol.getBlue();
   JGPoint size = getSize();
   int[] buffer = getPixels();
   // render image to bg depending on bgcol
   BufferedImage img_bg;
   if (bitmask) {
     img_bg = createCompatibleImage(size.x, size.y, Transparency.BITMASK);
   } else {
     img_bg = createCompatibleImage(size.x, size.y, Transparency.TRANSLUCENT);
   }
   int[] bg_buf;
   if (!fast) {
     Graphics g = img_bg.getGraphics();
     g.setColor(bgcol);
     // the docs say I could use bgcol in the drawImage as an
     // equivalent to the following two lines, but this
     // doesn't handle translucency properly and is _slower_
     g.fillRect(0, 0, size.x, size.y);
     g.drawImage(img, 0, 0, null);
     bg_buf = new JREImage(img_bg).getPixels();
   } else {
     bg_buf = buffer;
   }
   // g.dispose();
   // ColorModel rgb_bitmask = ColorModel.getRGBdefault();
   // rgb_bitmask = new PackedColorModel(
   //		rgb_bitmask.getColorSpace(),25,0xff0000,0x00ff00,0x0000ff,
   //		0x1000000, false, Transparency.BITMASK, DataBuffer.TYPE_INT);
   //		ColorSpace space, int bits, int rmask, int gmask, int bmask, int amask, boolean
   // isAlphaPremultiplied, int trans, int transferType)
   int[] thrsbuf = new int[size.x * size.y];
   for (int y = 0; y < size.y; y++) {
     for (int x = 0; x < size.x; x++) {
       if (((buffer[y * size.x + x] >> 24) & 0xff) >= thresh) {
         thrsbuf[y * size.x + x] = bg_buf[y * size.x + x] | (0xff << 24);
       } else {
         // explicitly set the colour of the transparent pixel.
         // This makes a difference when scaling!
         // thrsbuf[y*size.x+x]=bg_buf[y*size.x+x]&~(0xff<<24);
         thrsbuf[y * size.x + x] = bgcol_rgb;
       }
     }
   }
   return new JREImage(
       output_comp.createImage(
           new MemoryImageSource(
               size.x,
               size.y,
               // rgb_bitmask,
               img_bg.getColorModel(), // display compatible bitmask
               bitmask ? thrsbuf : bg_buf,
               0,
               size.x)));
 }
Ejemplo n.º 8
0
  /**
   * Makes the Mandelbrot image.
   *
   * @param width the width
   * @parah height the height
   * @return the image
   */
  public BufferedImage makeMandelbrot(int width, int height) {
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    WritableRaster raster = image.getRaster();
    ColorModel model = image.getColorModel();

    Color fractalColor = Color.red;
    int argb = fractalColor.getRGB();
    Object colorData = model.getDataElements(argb, null);

    for (int i = 0; i < width; i++)
      for (int j = 0; j < height; j++) {
        double a = XMIN + i * (XMAX - XMIN) / width;
        double b = YMIN + j * (YMAX - YMIN) / height;
        if (!escapesToInfinity(a, b)) raster.setDataElements(i, j, colorData);
      }
    return image;
  }
Ejemplo n.º 9
0
 public void setDimensions(int w, int h) {
   if (image == null) {
     if (compatible != null) {
       // create a compatible image with the new dimensions:
       image =
           new BufferedImage(
               compatible.getColorModel(),
               compatible.getRaster().createCompatibleWritableRaster(w, h),
               compatible.isAlphaPremultiplied(),
               null);
     } else {
       // assume standard format:
       image = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
     }
   }
   width = image.getWidth();
   height = image.getHeight();
 }
Ejemplo n.º 10
0
  // This method returns true if the specified image has transparent pixels
  // Source: http://www.exampledepot.com/egs/java.awt.image/HasAlpha.html
  public static boolean hasAlpha(Image image) {
    // If buffered image, the color model is readily available
    if (image instanceof BufferedImage) {
      BufferedImage bimage = (BufferedImage) image;
      return bimage.getColorModel().hasAlpha();
    }

    // Use a pixel grabber to retrieve the image's color model;
    // grabbing a single pixel is usually sufficient
    PixelGrabber pg = new PixelGrabber(image, 0, 0, 1, 1, false);
    try {
      pg.grabPixels();
    } catch (InterruptedException e) {
    }

    // Get the image's color model
    ColorModel cm = pg.getColorModel();
    return cm.hasAlpha();
  }
Ejemplo n.º 11
0
  public BufferedImage filter(BufferedImage src, BufferedImage dst) {
    int w = src.getWidth();
    int h = src.getHeight();

    if (dst == null) {
      ColorModel dstCM = src.getColorModel();
      dst =
          new BufferedImage(
              dstCM,
              dstCM.createCompatibleWritableRaster(width, height),
              dstCM.isAlphaPremultiplied(),
              null);
    }

    Graphics2D g = dst.createGraphics();
    g.drawRenderedImage(src, AffineTransform.getTranslateInstance(-x, -y));
    g.dispose();

    return dst;
  }
  public BufferedImage createCompatibleDestImage(BufferedImage src, ColorModel destCM) {
    Rectangle2D newBounds = getBounds2D(src);

    // Destination image should include (0,0) + positive part
    // of the area bounded by newBounds (in source coordinate system).
    double dstWidth = newBounds.getX() + newBounds.getWidth();
    double dstHeight = newBounds.getY() + newBounds.getHeight();

    if (dstWidth <= 0 || dstHeight <= 0) {
      // awt.251=Transformed width ({0}) and height ({1}) should be
      // greater than 0
      throw new RasterFormatException(
          Messages.getString("awt.251", dstWidth, dstHeight)); // $NON-NLS-1$
    }

    if (destCM != null) {
      return new BufferedImage(
          destCM,
          destCM.createCompatibleWritableRaster((int) dstWidth, (int) dstHeight),
          destCM.isAlphaPremultiplied(),
          null);
    }

    ColorModel cm = src.getColorModel();

    // Interpolation other than NN doesn't make any sense for index color
    if (iType != TYPE_NEAREST_NEIGHBOR && cm instanceof IndexColorModel) {
      return new BufferedImage((int) dstWidth, (int) dstHeight, BufferedImage.TYPE_INT_ARGB);
    }

    // OK, we can get source color model
    return new BufferedImage(
        cm,
        src.getRaster().createCompatibleWritableRaster((int) dstWidth, (int) dstHeight),
        cm.isAlphaPremultiplied(),
        null);
  }
Ejemplo n.º 13
0
  public BufferedImage filter(BufferedImage src, BufferedImage dst) {
    int width = src.getWidth();
    int height = src.getHeight();
    int type = src.getType();
    WritableRaster srcRaster = src.getRaster();

    originalSpace = new Rectangle(0, 0, width, height);
    transformedSpace = new Rectangle(0, 0, width, height);
    transformSpace(transformedSpace);

    if (dst == null) {
      ColorModel dstCM = src.getColorModel();
      dst =
          new BufferedImage(
              dstCM,
              dstCM.createCompatibleWritableRaster(transformedSpace.width, transformedSpace.height),
              dstCM.isAlphaPremultiplied(),
              null);
    }
    WritableRaster dstRaster = dst.getRaster();

    int[] inPixels = getRGB(src, 0, 0, width, height, null);

    if (interpolation == NEAREST_NEIGHBOUR)
      return filterPixelsNN(dst, width, height, inPixels, transformedSpace);

    int srcWidth = width;
    int srcHeight = height;
    int srcWidth1 = width - 1;
    int srcHeight1 = height - 1;
    int outWidth = transformedSpace.width;
    int outHeight = transformedSpace.height;
    int outX, outY;
    int index = 0;
    int[] outPixels = new int[outWidth];

    outX = transformedSpace.x;
    outY = transformedSpace.y;
    float[] out = new float[2];

    for (int y = 0; y < outHeight; y++) {
      for (int x = 0; x < outWidth; x++) {
        transformInverse(outX + x, outY + y, out);
        int srcX = (int) Math.floor(out[0]);
        int srcY = (int) Math.floor(out[1]);
        float xWeight = out[0] - srcX;
        float yWeight = out[1] - srcY;
        int nw, ne, sw, se;

        if (srcX >= 0 && srcX < srcWidth1 && srcY >= 0 && srcY < srcHeight1) {
          // Easy case, all corners are in the image
          int i = srcWidth * srcY + srcX;
          nw = inPixels[i];
          ne = inPixels[i + 1];
          sw = inPixels[i + srcWidth];
          se = inPixels[i + srcWidth + 1];
        } else {
          // Some of the corners are off the image
          nw = getPixel(inPixels, srcX, srcY, srcWidth, srcHeight);
          ne = getPixel(inPixels, srcX + 1, srcY, srcWidth, srcHeight);
          sw = getPixel(inPixels, srcX, srcY + 1, srcWidth, srcHeight);
          se = getPixel(inPixels, srcX + 1, srcY + 1, srcWidth, srcHeight);
        }
        outPixels[x] = ImageMath.bilinearInterpolate(xWeight, yWeight, nw, ne, sw, se);
      }
      setRGB(dst, 0, y, transformedSpace.width, 1, outPixels);
    }
    return dst;
  }
Ejemplo n.º 14
0
  public static DataRaster wrapAsGeoreferencedRaster(BufferedImage image, AVList params) {
    if (null == image) {
      String message = Logging.getMessage("nullValue.ImageIsNull");
      Logging.logger().severe(message);
      throw new IllegalArgumentException(message);
    }

    if (null == params) {
      String msg = Logging.getMessage("nullValue.AVListIsNull");
      Logging.logger().finest(msg);
      throw new IllegalArgumentException(msg);
    }

    if (params.hasKey(AVKey.WIDTH)) {
      int width = (Integer) params.getValue(AVKey.WIDTH);
      if (width != image.getWidth()) {
        String msg =
            Logging.getMessage("generic.InvalidWidth", "" + width + "!=" + image.getWidth());
        Logging.logger().finest(msg);
        throw new IllegalArgumentException(msg);
      }
    }

    if (params.hasKey(AVKey.HEIGHT)) {
      int height = (Integer) params.getValue(AVKey.HEIGHT);
      if (height != image.getHeight()) {
        String msg =
            Logging.getMessage("generic.InvalidHeight", "" + height + "!=" + image.getHeight());
        Logging.logger().finest(msg);
        throw new IllegalArgumentException(msg);
      }
    }

    if (!params.hasKey(AVKey.SECTOR)) {
      String msg = Logging.getMessage("generic.MissingRequiredParameter", AVKey.SECTOR);
      Logging.logger().finest(msg);
      throw new IllegalArgumentException(msg);
    }

    Sector sector = (Sector) params.getValue(AVKey.SECTOR);
    if (null == sector) {
      String msg = Logging.getMessage("nullValue.SectorIsNull");
      Logging.logger().severe(msg);
      throw new IllegalArgumentException(msg);
    }

    if (!params.hasKey(AVKey.COORDINATE_SYSTEM)) {
      // assume Geodetic Coordinate System
      params.setValue(AVKey.COORDINATE_SYSTEM, AVKey.COORDINATE_SYSTEM_GEOGRAPHIC);
    }

    String cs = params.getStringValue(AVKey.COORDINATE_SYSTEM);
    if (!params.hasKey(AVKey.PROJECTION_EPSG_CODE)) {
      if (AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
        // assume WGS84
        params.setValue(AVKey.PROJECTION_EPSG_CODE, GeoTiff.GCS.WGS_84);
      } else {
        String msg =
            Logging.getMessage("generic.MissingRequiredParameter", AVKey.PROJECTION_EPSG_CODE);
        Logging.logger().finest(msg);
        throw new IllegalArgumentException(msg);
      }
    }

    // if PIXEL_WIDTH is specified, we are not overriding it because UTM images
    // will have different pixel size
    if (!params.hasKey(AVKey.PIXEL_WIDTH)) {
      if (AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
        double pixelWidth = sector.getDeltaLonDegrees() / (double) image.getWidth();
        params.setValue(AVKey.PIXEL_WIDTH, pixelWidth);
      } else {
        String msg = Logging.getMessage("generic.MissingRequiredParameter", AVKey.PIXEL_WIDTH);
        Logging.logger().finest(msg);
        throw new IllegalArgumentException(msg);
      }
    }

    // if PIXEL_HEIGHT is specified, we are not overriding it
    // because UTM images will have different pixel size
    if (!params.hasKey(AVKey.PIXEL_HEIGHT)) {
      if (AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
        double pixelHeight = sector.getDeltaLatDegrees() / (double) image.getHeight();
        params.setValue(AVKey.PIXEL_HEIGHT, pixelHeight);
      } else {
        String msg = Logging.getMessage("generic.MissingRequiredParameter", AVKey.PIXEL_HEIGHT);
        Logging.logger().finest(msg);
        throw new IllegalArgumentException(msg);
      }
    }

    if (!params.hasKey(AVKey.PIXEL_FORMAT)) {
      params.setValue(AVKey.PIXEL_FORMAT, AVKey.IMAGE);
    } else if (!AVKey.IMAGE.equals(params.getStringValue(AVKey.PIXEL_FORMAT))) {
      String msg =
          Logging.getMessage(
              "generic.UnknownValueForKey",
              params.getStringValue(AVKey.PIXEL_FORMAT),
              AVKey.PIXEL_FORMAT);
      Logging.logger().severe(msg);
      throw new IllegalArgumentException(msg);
    }

    if (!params.hasKey(AVKey.ORIGIN) && AVKey.COORDINATE_SYSTEM_GEOGRAPHIC.equals(cs)) {
      // set UpperLeft corner as the origin, if not specified
      LatLon origin = new LatLon(sector.getMaxLatitude(), sector.getMinLongitude());
      params.setValue(AVKey.ORIGIN, origin);
    }

    if (!params.hasKey(AVKey.DATE_TIME)) {
      // add NUL (\0) termination as required by TIFF v6 spec (20 bytes length)
      String timestamp = String.format("%1$tY:%1$tm:%1$td %tT\0", Calendar.getInstance());
      params.setValue(AVKey.DATE_TIME, timestamp);
    }

    if (!params.hasKey(AVKey.VERSION)) {
      params.setValue(AVKey.VERSION, Version.getVersion());
    }

    boolean hasAlpha = (null != image.getColorModel() && image.getColorModel().hasAlpha());
    params.setValue(AVKey.RASTER_HAS_ALPHA, hasAlpha);

    return new BufferedImageRaster(sector, image, params);
  }
Ejemplo n.º 15
0
  public BufferedImage read(int imageIndex, ImageReadParam param) throws IOException {
    checkIndex(imageIndex);
    readHeader();

    if (iis == null) throw new IllegalStateException("input is null");

    BufferedImage img;

    clearAbortRequest();
    processImageStarted(imageIndex);

    if (param == null) param = getDefaultReadParam();

    sourceRegion = new Rectangle(0, 0, 0, 0);
    destinationRegion = new Rectangle(0, 0, 0, 0);

    computeRegions(
        param, this.width, this.height, param.getDestination(), sourceRegion, destinationRegion);

    scaleX = param.getSourceXSubsampling();
    scaleY = param.getSourceYSubsampling();

    // If the destination band is set used it
    sourceBands = param.getSourceBands();
    destBands = param.getDestinationBands();

    seleBand = (sourceBands != null) && (destBands != null);
    noTransform = destinationRegion.equals(new Rectangle(0, 0, width, height)) || seleBand;

    if (!seleBand) {
      sourceBands = new int[colorPlanes];
      destBands = new int[colorPlanes];
      for (int i = 0; i < colorPlanes; i++) destBands[i] = sourceBands[i] = i;
    }

    // If the destination is provided, then use it.  Otherwise, create new one
    bi = param.getDestination();

    // Get the image data.
    WritableRaster raster = null;

    if (bi == null) {
      if (sampleModel != null && colorModel != null) {
        sampleModel =
            sampleModel.createCompatibleSampleModel(
                destinationRegion.width + destinationRegion.x,
                destinationRegion.height + destinationRegion.y);
        if (seleBand) sampleModel = sampleModel.createSubsetSampleModel(sourceBands);
        raster = Raster.createWritableRaster(sampleModel, new Point(0, 0));
        bi = new BufferedImage(colorModel, raster, false, null);
      }
    } else {
      raster = bi.getWritableTile(0, 0);
      sampleModel = bi.getSampleModel();
      colorModel = bi.getColorModel();

      noTransform &= destinationRegion.equals(raster.getBounds());
    }

    byte bdata[] = null; // buffer for byte data

    if (sampleModel.getDataType() == DataBuffer.TYPE_BYTE)
      bdata = (byte[]) ((DataBufferByte) raster.getDataBuffer()).getData();

    readImage(bdata);

    if (abortRequested()) processReadAborted();
    else processImageComplete();

    return bi;
  }