Java Code Examples for java.awt.image.WritableRaster

The following are top voted examples for showing how to use java.awt.image.WritableRaster. These examples are extracted from open source projects. You can vote up the examples you like and your votes will be used in our system to generate more good examples.
Example 1
Project: finding-the-planets   File: ImageTest.java   Source Code and License 8 votes vote down vote up
@Test
public void createAnBlankAndWhitePngImage() throws IOException {
    int m = 5;
    int n = 5;
    BufferedImage image = new BufferedImage(m, n, BufferedImage.TYPE_BYTE_BINARY);
    WritableRaster raster = image.getRaster();

    for (int x = 0; x < m; x++) {
        for (int y = 0; y < m; y++) {
            int index = (x + y) % 2 == 0 ? 1: 0;
            raster.setPixel(x, y, new int[]{ index });
        }
    }

    File output = new File("src/test/resources/png-test.black-white.png");
    ImageIO.write(image, "png", output);
}
 
Example 2
Project: openjdk-jdk10   File: EffectUtils.java   Source Code and License 6 votes vote down vote up
/**
 * <p>Writes a rectangular area of pixels in the destination <code>BufferedImage</code>. Calling this method on an
 * image of type different from <code>BufferedImage.TYPE_INT_ARGB</code> and <code>BufferedImage.TYPE_INT_RGB</code>
 * will unmanage the image.</p>
 *
 * @param img    the destination image
 * @param x      the x location at which to start storing pixels
 * @param y      the y location at which to start storing pixels
 * @param w      the width of the rectangle of pixels to store
 * @param h      the height of the rectangle of pixels to store
 * @param pixels an array of pixels, stored as integers
 * @throws IllegalArgumentException is <code>pixels</code> is non-null and of length &lt; w*h
 */
static void setPixels(BufferedImage img,
                             int x, int y, int w, int h, byte[] pixels) {
    if (pixels == null || w == 0 || h == 0) {
        return;
    } else if (pixels.length < w * h) {
        throw new IllegalArgumentException("pixels array must have a length >= w*h");
    }
    int imageType = img.getType();
    if (imageType == BufferedImage.TYPE_BYTE_GRAY) {
        WritableRaster raster = img.getRaster();
        raster.setDataElements(x, y, w, h, pixels);
    } else {
        throw new IllegalArgumentException("Only type BYTE_GRAY is supported");
    }
}
 
Example 3
Project: incubator-netbeans   File: ImageBuilder.java   Source Code and License 6 votes vote down vote up
@Override
public String convert(FieldAccessor fa, Instance instance) throws FieldAccessor.InvalidFieldException {
    Instance raster = fa.getInstance(instance, "raster", WritableRaster.class, true);   // NOI18N
    int width = fa.getInt(raster, "width");   // NOI18N
    int height = fa.getInt(raster, "height");   // NOI18N
    Instance colorModel = fa.getInstance(instance, "colorModel", ColorModel.class, true);

    int color_count = 0;
    if (FieldAccessor.isInstanceOf(colorModel, IndexColorModel.class)) {
        color_count = DetailsUtils.getIntFieldValue(colorModel, "map_size", 0); // NOI18N
    }
    if (color_count > 0) {
        return Bundle.ImageDetailProvider_ImageDescrColors(width, height, color_count);
    } else {
        return Bundle.ImageDetailProvider_ImageDescr(width, height);
    }
}
 
Example 4
Project: Progetto-C   File: GlyphPage.java   Source Code and License 6 votes vote down vote up
/**
 * Loads a single glyph to the backing texture, if it fits.
 * 
 * @param glyph The glyph to be rendered
 * @param width The expected width of the glyph
 * @param height The expected height of the glyph
 * @throws SlickException if the glyph could not be rendered.
 */
private void renderGlyph(Glyph glyph, int width, int height) throws SlickException {
	// Draw the glyph to the scratch image using Java2D.
	scratchGraphics.setComposite(AlphaComposite.Clear);
	scratchGraphics.fillRect(0, 0, MAX_GLYPH_SIZE, MAX_GLYPH_SIZE);
	scratchGraphics.setComposite(AlphaComposite.SrcOver);
	scratchGraphics.setColor(java.awt.Color.white);
	for (Iterator iter = unicodeFont.getEffects().iterator(); iter.hasNext();)
		((Effect)iter.next()).draw(scratchImage, scratchGraphics, unicodeFont, glyph);
	glyph.setShape(null); // The shape will never be needed again.

	WritableRaster raster = scratchImage.getRaster();
	int[] row = new int[width];
	for (int y = 0; y < height; y++) {
		raster.getDataElements(0, y, width, 1, row);
		scratchIntBuffer.put(row);
	}
	GL.glTexSubImage2D(SGL.GL_TEXTURE_2D, 0, pageX, pageY, width, height, SGL.GL_BGRA, SGL.GL_UNSIGNED_BYTE,
		scratchByteBuffer);
	scratchIntBuffer.clear();

	glyph.setImage(pageImage.getSubImage(pageX, pageY, width, height));
}
 
Example 5
Project: pdi   File: PixelsUtils.java   Source Code and License 6 votes vote down vote up
public static List<Integer> getPixeisVizinhos3x3(BufferedImage img, int i, int j, int tipoPixel) {
	List<Integer> pixeisVizinhos = new ArrayList<>();
	WritableRaster raster = img.getRaster();
	int pixels[] = new int[4];
	pixeisVizinhos.add(raster.getPixel(i - 1, j - 1, pixels)[tipoPixel]);
	pixeisVizinhos.add(raster.getPixel(i - 1, j, pixels)[tipoPixel]);
	pixeisVizinhos.add(raster.getPixel(i - 1, j + 1, pixels)[tipoPixel]);
	pixeisVizinhos.add(raster.getPixel(i, j - 1, pixels)[tipoPixel]);
	pixeisVizinhos.add(raster.getPixel(i, j, pixels)[tipoPixel]);
	pixeisVizinhos.add(raster.getPixel(i, j + 1, pixels)[tipoPixel]);
	pixeisVizinhos.add(raster.getPixel(i + 1, j - 1, pixels)[tipoPixel]);
	pixeisVizinhos.add(raster.getPixel(i + 1, j, pixels)[tipoPixel]);
	pixeisVizinhos.add(raster.getPixel(i + 1, j + 1, pixels)[tipoPixel]);

	Collections.sort(pixeisVizinhos);

	return pixeisVizinhos;
}
 
Example 6
Project: VASSAL-src   File: ScaleOpBitmapImpl.java   Source Code and License 6 votes vote down vote up
public BufferedImage eval() throws Exception {
  if (dw < 1 || dh < 1) return ImageUtils.NULL_IMAGE;

  // ensure that src is a type which GeneralFilter can handle
  final BufferedImage src = ImageUtils.coerceToIntType(sop.getImage(null));

  final Rectangle sr =
    new Rectangle(0, 0,
                  (int)(sop.getWidth()*scale),
                  (int)(sop.getHeight()*scale));

  final WritableRaster dstR = src.getColorModel()
                                 .createCompatibleWritableRaster(dw, dh)
                                 .createWritableTranslatedChild(dx0, dy0);
  // zoom! zoom!
  GeneralFilter.zoom(dstR, sr, src, scale < 1.0f ? downFilter : upFilter);

  return ImageUtils.toCompatibleImage(new BufferedImage(
    src.getColorModel(),
    dstR.createWritableTranslatedChild(0,0),
    src.isAlphaPremultiplied(),
    null
  ));
}
 
Example 7
Project: VASSAL-src   File: ScaledTileTask.java   Source Code and License 6 votes vote down vote up
@Override
protected BufferedImage sliceTile() {
  // get actual tile width, height (edge tiles can be less than full size)
  final int atw = Math.min(tw, dw - tx*tw);
  final int ath = Math.min(th, dh - ty*th);

  final int type = src.getType();

  // scale the tile from the source image
  final BufferedImage tile = new BufferedImage(atw, ath, type);

  final WritableRaster tileR =
    tile.getRaster().createWritableTranslatedChild(tx*tw, ty*th);
  final Rectangle dstFR = new Rectangle(0, 0, dw, dh);

  GeneralFilter.zoom(tileR, dstFR, src, filter);

  return tile;
}
 
Example 8
Project: OpenJSharp   File: PaletteBuilder.java   Source Code and License 6 votes vote down vote up
protected RenderedImage getIndexedImage() {
    IndexColorModel icm = getIndexColorModel();

    BufferedImage dst =
        new BufferedImage(src.getWidth(), src.getHeight(),
                          BufferedImage.TYPE_BYTE_INDEXED, icm);

    WritableRaster wr = dst.getRaster();
    for (int y =0; y < dst.getHeight(); y++) {
        for (int x = 0; x < dst.getWidth(); x++) {
            Color aColor = getSrcColor(x,y);
            wr.setSample(x, y, 0, findColorIndex(root, aColor));
        }
    }

    return dst;
}
 
Example 9
Project: featurea   File: ImageProcessor.java   Source Code and License 6 votes vote down vote up
private static int[] getSplits(BufferedImage image, String name) {
    WritableRaster raster = image.getRaster();
    int startX = getSplitPoint(raster, name, 1, 0, true, true);
    int endX = getSplitPoint(raster, name, startX, 0, false, true);
    int startY = getSplitPoint(raster, name, 0, 1, true, false);
    int endY = getSplitPoint(raster, name, 0, startY, false, false);
    getSplitPoint(raster, name, endX + 1, 0, true, true);
    getSplitPoint(raster, name, 0, endY + 1, true, false);
    if (startX == 0 && endX == 0 && startY == 0 && endY == 0) return null;
    if (startX != 0) {
        startX--;
        endX = raster.getWidth() - 2 - (endX - 1);
    } else {
        endX = raster.getWidth() - 2;
    }
    if (startY != 0) {
        startY--;
        endY = raster.getHeight() - 2 - (endY - 1);
    } else {
        endY = raster.getHeight() - 2;
    }
    return new int[]{startX, endX, startY, endY};
}
 
Example 10
Project: jdk8u-jdk   File: EdgeNoOpCrash.java   Source Code and License 6 votes vote down vote up
private static void crashTest() {
    Raster src = createSrcRaster();
    WritableRaster dst = createDstRaster();
    ConvolveOp op = createConvolveOp(ConvolveOp.EDGE_NO_OP);
    try {
        op.filter(src, dst);
    } catch (ImagingOpException e) {
        /*
         * The test pair of source and destination rasters
         * may cause failure of the medialib convolution routine,
         * so this exception is expected.
         *
         * The JVM crash is the only manifestation of this
         * test failure.
         */
    }
    System.out.println("Test PASSED.");
}
 
Example 11
Project: Image-Stegano   File: ImageUtility.java   Source Code and License 6 votes vote down vote up
public BufferedImage thresholdImage(BufferedImage image, int threshold) {
    BufferedImage result = new BufferedImage(image.getWidth(), 
            image.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
    result.getGraphics().drawImage(image, 0, 0, null);
    WritableRaster raster = result.getRaster();
    int[] pixels = new int[image.getWidth()];
    for (int y = 0; y < image.getHeight(); y++) {
        raster.getPixels(0, y, image.getWidth(), 1, pixels);
        for (int i = 0; i < pixels.length; i++) {
            if (pixels[i] < threshold) {
                pixels[i] = 0;
            } else {
                pixels[i] = 255;
            }
        }
        raster.setPixels(0, y, image.getWidth(), 1, pixels);
    }
    return result;
}
 
Example 12
Project: BaseClient   File: GlyphPage.java   Source Code and License 6 votes vote down vote up
/**
 * Loads a single glyph to the backing texture, if it fits.
 * 
 * @param glyph The glyph to be rendered
 * @param width The expected width of the glyph
 * @param height The expected height of the glyph
 * @throws SlickException if the glyph could not be rendered.
 */
private void renderGlyph(Glyph glyph, int width, int height) throws SlickException {
	// Draw the glyph to the scratch image using Java2D.
	scratchGraphics.setComposite(AlphaComposite.Clear);
	scratchGraphics.fillRect(0, 0, MAX_GLYPH_SIZE, MAX_GLYPH_SIZE);
	scratchGraphics.setComposite(AlphaComposite.SrcOver);
	scratchGraphics.setColor(java.awt.Color.white);
	for (Iterator iter = unicodeFont.getEffects().iterator(); iter.hasNext();)
		((Effect)iter.next()).draw(scratchImage, scratchGraphics, unicodeFont, glyph);
	glyph.setShape(null); // The shape will never be needed again.

	WritableRaster raster = scratchImage.getRaster();
	int[] row = new int[width];
	for (int y = 0; y < height; y++) {
		raster.getDataElements(0, y, width, 1, row);
		scratchIntBuffer.put(row);
	}
	GL.glTexSubImage2D(SGL.GL_TEXTURE_2D, 0, pageX, pageY, width, height, SGL.GL_BGRA, SGL.GL_UNSIGNED_BYTE,
		scratchByteBuffer);
	scratchIntBuffer.clear();

	glyph.setImage(pageImage.getSubImage(pageX, pageY, width, height));
}
 
Example 13
Project: OpenJSharp   File: EffectUtils.java   Source Code and License 6 votes vote down vote up
/**
 * <p>Writes a rectangular area of pixels in the destination
 * <code>BufferedImage</code>. Calling this method on
 * an image of type different from <code>BufferedImage.TYPE_INT_ARGB</code>
 * and <code>BufferedImage.TYPE_INT_RGB</code> will unmanage the image.</p>
 *
 * @param img the destination image
 * @param x the x location at which to start storing pixels
 * @param y the y location at which to start storing pixels
 * @param w the width of the rectangle of pixels to store
 * @param h the height of the rectangle of pixels to store
 * @param pixels an array of pixels, stored as integers
 * @throws IllegalArgumentException is <code>pixels</code> is non-null and
 *   of length &lt; w*h
 */
public static void setPixels(BufferedImage img,
                             int x, int y, int w, int h, int[] pixels) {
    if (pixels == null || w == 0 || h == 0) {
        return;
    } else if (pixels.length < w * h) {
        throw new IllegalArgumentException("pixels array must have a length" +
                                           " >= w*h");
    }

    int imageType = img.getType();
    if (imageType == BufferedImage.TYPE_INT_ARGB ||
        imageType == BufferedImage.TYPE_INT_RGB) {
        WritableRaster raster = img.getRaster();
        raster.setDataElements(x, y, w, h, pixels);
    } else {
        // Unmanages the image
        img.setRGB(x, y, w, h, pixels, 0, w);
    }
}
 
Example 14
Project: OpenJSharp   File: ColorPaintContext.java   Source Code and License 6 votes vote down vote up
public synchronized Raster getRaster(int x, int y, int w, int h) {
    WritableRaster t = savedTile;

    if (t == null || w > t.getWidth() || h > t.getHeight()) {
        t = getColorModel().createCompatibleWritableRaster(w, h);
        IntegerComponentRaster icr = (IntegerComponentRaster) t;
        Arrays.fill(icr.getDataStorage(), color);
        // Note - markDirty is probably unnecessary since icr is brand new
        icr.markDirty();
        if (w <= 64 && h <= 64) {
            savedTile = t;
        }
    }

    return t;
}
 
Example 15
Project: openjdk-jdk10   File: TexturePaintContext.java   Source Code and License 6 votes vote down vote up
static synchronized WritableRaster makeByteRaster(Raster srcRas,
                                                  int w, int h)
{
    if (byteRasRef != null) {
        WritableRaster wr = (WritableRaster) byteRasRef.get();
        if (wr != null && wr.getWidth() >= w && wr.getHeight() >= h) {
            byteRasRef = null;
            return wr;
        }
    }
    // If we are going to cache this Raster, make it non-tiny
    if (w <= 32 && h <= 32) {
        w = h = 32;
    }
    return srcRas.createCompatibleWritableRaster(w, h);
}
 
Example 16
Project: openjdk-jdk10   File: IndexingTest.java   Source Code and License 6 votes vote down vote up
protected static BufferedImage createComponentImage(int w, int h,
                                                    ComponentColorModel cm)
{
    WritableRaster wr = cm.createCompatibleWritableRaster(w, h);

    BufferedImage img = new BufferedImage(cm, wr, false, null);
    Graphics2D g = img.createGraphics();
    int width = w / 8;
    Color[] colors = new Color[8];
    colors[0] = Color.red;
    colors[1] = Color.green;
    colors[2] = Color.blue;
    colors[3] = Color.white;
    colors[4] = Color.black;
    colors[5] = new Color(0x80, 0x80, 0x80, 0x00);
    colors[6] = Color.yellow;
    colors[7] = Color.cyan;

    for (int i = 0; i < 8; i++) {
        g.setColor(colors[i]);
        g.fillRect(i * width, 0, width, h);
    }
    return img;
}
 
Example 17
Project: OpenJSharp   File: EffectUtils.java   Source Code and License 6 votes vote down vote up
/**
 * <p>Writes a rectangular area of pixels in the destination <code>BufferedImage</code>. Calling this method on an
 * image of type different from <code>BufferedImage.TYPE_INT_ARGB</code> and <code>BufferedImage.TYPE_INT_RGB</code>
 * will unmanage the image.</p>
 *
 * @param img    the destination image
 * @param x      the x location at which to start storing pixels
 * @param y      the y location at which to start storing pixels
 * @param w      the width of the rectangle of pixels to store
 * @param h      the height of the rectangle of pixels to store
 * @param pixels an array of pixels, stored as integers
 * @throws IllegalArgumentException is <code>pixels</code> is non-null and of length &lt; w*h
 */
static void setPixels(BufferedImage img,
                             int x, int y, int w, int h, byte[] pixels) {
    if (pixels == null || w == 0 || h == 0) {
        return;
    } else if (pixels.length < w * h) {
        throw new IllegalArgumentException("pixels array must have a length >= w*h");
    }
    int imageType = img.getType();
    if (imageType == BufferedImage.TYPE_BYTE_GRAY) {
        WritableRaster raster = img.getRaster();
        raster.setDataElements(x, y, w, h, pixels);
    } else {
        throw new IllegalArgumentException("Only type BYTE_GRAY is supported");
    }
}
 
Example 18
Project: tf-ispn-demo   File: MnistListener.java   Source Code and License 6 votes vote down vote up
/**
 * Converts raw data into JPG image and encode it into Base64 string for sending it to the JS client
 * 
 * @param rawImg
 *            raw image bytes
 * @return Base64 encoded string with JPG image
 */
private String bufferAsJpgString(byte[] rawImg) {
    int[] pixels = new int[rawImg.length];
    for (int i = 0; i < rawImg.length; i++) {
        pixels[i] = (int) rawImg[i];
    }
    DataBufferInt buffer = new DataBufferInt(pixels, pixels.length);
    WritableRaster raster = Raster.createPackedRaster(buffer, IMG_SIZE, IMG_SIZE, IMG_SIZE, BAND_MASKS, null);
    ColorModel cm = ColorModel.getRGBdefault();
    BufferedImage image = new BufferedImage(cm, raster, cm.isAlphaPremultiplied(), null);

    byte[] imgBytes = null;
    try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
        ImageIO.write(image, "JPG", baos);
        baos.flush();
        imgBytes = baos.toByteArray();
    } catch (IOException e) {
        // TODO log exception
    }

    byte[] encoded = Base64.getEncoder().encode(imgBytes);
    return new String(encoded);
}
 
Example 19
Project: incubator-netbeans   File: RemoteAWTScreenshot.java   Source Code and License 5 votes vote down vote up
private static RemoteScreenshot createRemoteAWTScreenshot(DebuggerEngine engine, String title, int width, int height, int[] dataArray, AWTComponentInfo componentInfo) {
    final BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    WritableRaster raster = bi.getRaster();
    raster.setDataElements(0, 0, width, height, dataArray);
    if (FAST_FIELDS_SEARCH) {
        ComponentsFieldFinder.findFieldsForComponents(componentInfo);
    }
    return new RemoteScreenshot(engine, title, width, height, bi, componentInfo);
}
 
Example 20
Project: OpenJSharp   File: CGLGraphicsConfig.java   Source Code and License 5 votes vote down vote up
@Override
public BufferedImage createCompatibleImage(int width, int height) {
    ColorModel model = new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
    WritableRaster
        raster = model.createCompatibleWritableRaster(width, height);
    return new BufferedImage(model, raster, model.isAlphaPremultiplied(),
                             null);
}
 
Example 21
Project: OpenJSharp   File: ByteInterleavedRaster.java   Source Code and License 5 votes vote down vote up
/**
 * Creates a Raster with the same layout but using a different
 * width and height, and with new zeroed data arrays.
 */
public WritableRaster createCompatibleWritableRaster(int w, int h) {
    if (w <= 0 || h <=0) {
        throw new RasterFormatException("negative "+
                                      ((w <= 0) ? "width" : "height"));
    }

    SampleModel sm = sampleModel.createCompatibleSampleModel(w, h);

    return new ByteInterleavedRaster(sm, new Point(0,0));

}
 
Example 22
Project: openjdk-jdk10   File: TexturePaintContext.java   Source Code and License 5 votes vote down vote up
public static PaintContext getContext(BufferedImage bufImg,
                                      AffineTransform xform,
                                      RenderingHints hints,
                                      Rectangle devBounds) {
    WritableRaster raster = bufImg.getRaster();
    ColorModel cm = bufImg.getColorModel();
    int maxw = devBounds.width;
    Object val = hints.get(RenderingHints.KEY_INTERPOLATION);
    boolean filter =
        (val == null
         ? (hints.get(RenderingHints.KEY_RENDERING) == RenderingHints.VALUE_RENDER_QUALITY)
         : (val != RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR));
    if (raster instanceof IntegerInterleavedRaster &&
        (!filter || isFilterableDCM(cm)))
    {
        IntegerInterleavedRaster iir = (IntegerInterleavedRaster) raster;
        if (iir.getNumDataElements() == 1 && iir.getPixelStride() == 1) {
            return new Int(iir, cm, xform, maxw, filter);
        }
    } else if (raster instanceof ByteInterleavedRaster) {
        ByteInterleavedRaster bir = (ByteInterleavedRaster) raster;
        if (bir.getNumDataElements() == 1 && bir.getPixelStride() == 1) {
            if (filter) {
                if (isFilterableICM(cm)) {
                    return new ByteFilter(bir, cm, xform, maxw);
                }
            } else {
                return new Byte(bir, cm, xform, maxw);
            }
        }
    }
    return new Any(raster, cm, xform, maxw, filter);
}
 
Example 23
Project: GlitchKernel   File: DataAsSound.java   Source Code and License 5 votes vote down vote up
@Override
public byte[] glitchPixels(byte[] inputImageBytes) throws Exception 
{
	int audioBitRate = ((Integer) getPixelGlitchParameters().get("bitRateBlend")).intValue();
	float bitRateBlend = (float) audioBitRate / 10;
	if(bitRateBlend < 0.1F || bitRateBlend > 0.9F)
	{
		return null;
	}
	
	BufferedImage inputImage = ImageUtil.getImageFromBytes(inputImageBytes);
	InputStream imageInputStream = new ByteArrayInputStream(inputImageBytes);
	AudioInputStream distortionAudioStream = new AudioInputStream(imageInputStream, new AudioFormat(AudioFormat.Encoding.ULAW, ThreadLocalRandom.current().nextInt(8000,  20000), 8, 5, 9, ThreadLocalRandom.current().nextInt(8000,  20000), true), inputImageBytes.length);
	ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
	AudioSystem.write(distortionAudioStream, Type.WAVE, outputStream);
	BufferedImage outputImage = new BufferedImage(inputImage.getWidth(), inputImage.getHeight(), BufferedImage.TYPE_4BYTE_ABGR);
	byte[] imageData = ((DataBufferByte) outputImage.getRaster().getDataBuffer()).getData();
	System.arraycopy(outputStream.toByteArray(),0,imageData,0,outputStream.toByteArray().length);
	int[] abgrOffsets = {3, 2, 1, 0}; 
	DataBuffer outputBuffer = new DataBufferByte(imageData, imageData.length);
    WritableRaster raster = Raster.createInterleavedRaster(outputBuffer, inputImage.getWidth(), inputImage.getHeight(), 4 * inputImage.getWidth(), 4, abgrOffsets, null);
    ColorModel colorModel = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), true, false, Transparency.TRANSLUCENT, DataBuffer.TYPE_BYTE);
    BufferedImage rasterizedImage = new BufferedImage(colorModel, raster, colorModel.isAlphaPremultiplied(), null);
    rasterizedImage = resizeImage(rasterizedImage, inputImage.getWidth() * 4, inputImage.getHeight() * 4);
    Graphics2D g2d = rasterizedImage.createGraphics();
    g2d.setComposite(AlphaComposite.SrcOver.derive(bitRateBlend));
    g2d.drawImage(inputImage, 0, 0, null);
    g2d.dispose();
    rasterizedImage = rasterizedImage.getSubimage(0, 0, inputImage.getWidth(), inputImage.getHeight());
	return ImageUtil.getImageBytes(rasterizedImage);
}
 
Example 24
Project: openjdk-jdk10   File: Win32GraphicsConfig.java   Source Code and License 5 votes vote down vote up
/**
 * Creates a new managed image of the given width and height
 * that is associated with the target Component.
 */
public Image createAcceleratedImage(Component target,
                                    int width, int height)
{
    ColorModel model = getColorModel(Transparency.OPAQUE);
    WritableRaster wr =
        model.createCompatibleWritableRaster(width, height);
    return new OffScreenImage(target, model, wr,
                              model.isAlphaPremultiplied());
}
 
Example 25
Project: jdk8u-jdk   File: ShortInterleavedRaster.java   Source Code and License 5 votes vote down vote up
/**
 * Creates a Writable subRaster given a region of the Raster. The x and y
 * coordinates specify the horizontal and vertical offsets
 * from the upper-left corner of this Raster to the upper-left corner
 * of the subRaster.  A subset of the bands of the parent Raster may
 * be specified.  If this is null, then all the bands are present in the
 * subRaster. A translation to the subRaster may also be specified.
 * Note that the subRaster will reference the same
 * DataBuffers as the parent Raster, but using different offsets.
 * @param x               X offset.
 * @param y               Y offset.
 * @param width           Width (in pixels) of the subraster.
 * @param height          Height (in pixels) of the subraster.
 * @param x0              Translated X origin of the subraster.
 * @param y0              Translated Y origin of the subraster.
 * @param bandList        Array of band indices.
 * @exception RasterFormatException
 *            if the specified bounding box is outside of the parent Raster.
 */
public WritableRaster createWritableChild(int x, int y,
                                          int width, int height,
                                          int x0, int y0,
                                          int[] bandList) {
    if (x < this.minX) {
        throw new RasterFormatException("x lies outside the raster");
    }
    if (y < this.minY) {
        throw new RasterFormatException("y lies outside the raster");
    }
    if ((x+width < x) || (x+width > this.minX + this.width)) {
        throw new RasterFormatException("(x + width) is outside of Raster");
    }
    if ((y+height < y) || (y+height > this.minY + this.height)) {
        throw new RasterFormatException("(y + height) is outside of Raster");
    }

    SampleModel sm;

    if (bandList != null)
        sm = sampleModel.createSubsetSampleModel(bandList);
    else
        sm = sampleModel;

    int deltaX = x0 - x;
    int deltaY = y0 - y;

    return new ShortInterleavedRaster(sm,
                                   dataBuffer,
                                   new Rectangle(x0, y0, width, height),
                                   new Point(sampleModelTranslateX+deltaX,
                                             sampleModelTranslateY+deltaY),
                                   this);
}
 
Example 26
Project: openjdk-jdk10   File: ByteComponentRaster.java   Source Code and License 5 votes vote down vote up
/**
 * Creates a Writable subRaster given a region of the Raster. The x and y
 * coordinates specify the horizontal and vertical offsets
 * from the upper-left corner of this Raster to the upper-left corner
 * of the subRaster.  A subset of the bands of the parent Raster may
 * be specified.  If this is null, then all the bands are present in the
 * subRaster. A translation to the subRaster may also be specified.
 * Note that the subRaster will reference the same
 * DataBuffer as the parent Raster, but using different offsets.
 * @param x               X offset.
 * @param y               Y offset.
 * @param width           Width (in pixels) of the subraster.
 * @param height          Height (in pixels) of the subraster.
 * @param x0              Translated X origin of the subraster.
 * @param y0              Translated Y origin of the subraster.
 * @param bandList        Array of band indices.
 * @exception RasterFormatException
 *            if the specified bounding box is outside of the parent Raster.
 */
public WritableRaster createWritableChild(int x, int y,
                                          int width, int height,
                                          int x0, int y0,
                                          int[] bandList) {
    if (x < this.minX) {
        throw new RasterFormatException("x lies outside the raster");
    }
    if (y < this.minY) {
        throw new RasterFormatException("y lies outside the raster");
    }
    if ((x+width < x) || (x+width > this.minX + this.width)) {
        throw new RasterFormatException("(x + width) is outside of Raster");
    }
    if ((y+height < y) || (y+height > this.minY + this.height)) {
        throw new RasterFormatException("(y + height) is outside of Raster");
    }

    SampleModel sm;

    if (bandList != null)
        sm = sampleModel.createSubsetSampleModel(bandList);
    else
        sm = sampleModel;

    int deltaX = x0 - x;
    int deltaY = y0 - y;

    return new ByteComponentRaster(sm,
                                   (DataBufferByte) dataBuffer,
                                   new Rectangle(x0, y0, width, height),
                                   new Point(sampleModelTranslateX+deltaX,
                                             sampleModelTranslateY+deltaY),
                                   this);
}
 
Example 27
Project: sumo   File: KmlIO.java   Source Code and License 5 votes vote down vote up
private static URL createOverview(GeoImageReader gir, boolean toFlip) throws IOException {
    File f = File.createTempFile("kmloverview", ".png");
    // generate a suitable size image
    double ratio = Math.max(((double) gir.getWidth()) / 1024., ((double) gir.getHeight()) / 1024.);
    // generate overview image
    BufferedImage temp = new BufferedImage((int) (gir.getWidth() * (1.0 / ratio)), (int) (gir.getHeight() * (1.0 / ratio)), gir.getType(true));
    // get a handle on the raster data
    WritableRaster raster = temp.getRaster();
    int[] data = gir.readAndDecimateTile(0, 0, gir.getWidth(), gir.getHeight(), 1.0 / ratio, true,0);
    raster.setSamples(0, 0, temp.getWidth(), temp.getHeight(), 0, data);

    float average = 0;
    for (int i = 0; i < data.length; i++) {
        average = average + data[i];
    }
    average = average / data.length;
    RescaleOp rescale = new RescaleOp(((1 << (8 * gir.getNumberOfBytes())) / 5f / average), 0, null);
    rescale.filter(temp, temp);

    ColorConvertOp bop = new ColorConvertOp(null);
    BufferedImage out = bop.createCompatibleDestImage(temp, new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_GRAY), false, false, ComponentColorModel.OPAQUE, DataBuffer.TYPE_BYTE));
    out = bop.filter(temp, out);

    //flip the image if necessary
    if (toFlip) {
        int w = out.getWidth();
        int h = out.getHeight();
        BufferedImage dimg = new BufferedImage(w, h, out.getType());
        Graphics2D g = dimg.createGraphics();
        g.drawImage(out, 0, 0, w, h, w, 0, 0, h, null);
        g.dispose();
        ImageIO.write(dimg, "png", f);
    } else {
        ImageIO.write(out, "png", f);
    }
    return f.toURI().toURL();

}
 
Example 28
Project: sumo   File: AlosGeoTiff.java   Source Code and License 5 votes vote down vote up
@Override
public void preloadLineTile(int y, int length, int band) {
	if (y < 0) {
           return;
       }
       preloadedInterval = new int[]{y, y + length};
       Rectangle rect = new Rectangle(0, y, getImage(band).xSize, length);

       TIFF tiff=getImage(band);
       rect=tiff.getBounds().intersection(rect);
       try {
       	BufferedImage bi=null;
       	try{
       			bi=tiff.read(0, rect);
       	}catch(Exception e){
       		logger.warn("Problem reading image POS x:"+0+ "  y: "+y +"   try to read again");
       		try {
   			    Thread.sleep(100);
   			} catch(InterruptedException exx) {
   			    Thread.currentThread().interrupt();
   			}
       		bi=tiff.read(0, rect);
       	}
       	WritableRaster raster=bi.getRaster();
       	short[]ss=(short[])raster.getDataElements(0, 0, raster.getWidth(), raster.getHeight(), null);//tSamples(0, 0, raster.getWidth(), raster.getHeight(), 0, (short[]) null);
       	preloadedData=ArrayUtils.toObject(ss);
       } catch (Exception ex) {
           logger.error(ex.getMessage(),ex);
       }finally{
       	//tiff.reader.addIIOReadProgressListener(this);
       	//readComplete=false;

       }

}
 
Example 29
Project: OpenJSharp   File: WDataTransferer.java   Source Code and License 5 votes vote down vote up
/**
 * Translates either a byte array or an input stream which contain
 * platform-specific image data in the given format into an Image.
 */
@Override
protected Image platformImageBytesToImage(byte[] bytes, long format)
        throws IOException {
    String mimeType = null;
    if (format == CF_PNG) {
        mimeType = "image/png";
    } else if (format == CF_JFIF) {
        mimeType = "image/jpeg";
    }
    if (mimeType != null) {
        return standardImageBytesToImage(bytes, mimeType);
    }

    int[] imageData = platformImageBytesToImageData(bytes, format);
    if (imageData == null) {
        throw new IOException("data translation failed");
    }

    int len = imageData.length - 2;
    int width = imageData[len];
    int height = imageData[len + 1];

    DataBufferInt buffer = new DataBufferInt(imageData, len);
    WritableRaster raster = Raster.createPackedRaster(buffer, width,
            height, width,
            bandmasks, null);

    return new BufferedImage(directColorModel, raster, false, null);
}
 
Example 30
Project: jdk8u-jdk   File: IntegerComponentRaster.java   Source Code and License 5 votes vote down vote up
/**
 * Creates a subraster given a region of the raster.  The x and y
 * coordinates specify the horizontal and vertical offsets
 * from the upper-left corner of this raster to the upper-left corner
 * of the subraster.  A subset of the bands of the parent Raster may
 * be specified.  If this is null, then all the bands are present in the
 * subRaster. A translation to the subRaster may also be specified.
 * Note that the subraster will reference the same
 * DataBuffer as the parent raster, but using different offsets.
 * @param x               X offset.
 * @param y               Y offset.
 * @param width           Width (in pixels) of the subraster.
 * @param height          Height (in pixels) of the subraster.
 * @param x0              Translated X origin of the subraster.
 * @param y0              Translated Y origin of the subraster.
 * @param bandList        Array of band indices.
 * @exception RasterFormatException
 *            if the specified bounding box is outside of the parent raster.
 */
public WritableRaster createWritableChild (int x, int y,
                                           int width, int height,
                                           int x0, int y0,
                                           int bandList[]) {
    if (x < this.minX) {
        throw new RasterFormatException("x lies outside raster");
    }
    if (y < this.minY) {
        throw new RasterFormatException("y lies outside raster");
    }
    if ((x+width < x) || (x+width > this.minX + this.width)) {
        throw new RasterFormatException("(x + width) is outside raster");
    }
    if ((y+height < y) || (y+height > this.minY + this.height)) {
        throw new RasterFormatException("(y + height) is outside raster");
    }

    SampleModel sm;

    if (bandList != null)
        sm = sampleModel.createSubsetSampleModel(bandList);
    else
        sm = sampleModel;

    int deltaX = x0 - x;
    int deltaY = y0 - y;

    return new IntegerComponentRaster(sm,
                                      dataBuffer,
                                      new Rectangle(x0,y0,width,height),
                                      new Point(sampleModelTranslateX+deltaX,
                                                sampleModelTranslateY+deltaY),
                                      this);
}
 
Example 31
Project: jdk8u-jdk   File: Blit.java   Source Code and License 5 votes vote down vote up
public void Blit(SurfaceData srcData,
                 SurfaceData dstData,
                 Composite comp,
                 Region clip,
                 int srcx, int srcy,
                 int dstx, int dsty,
                 int width, int height)
{
    ColorModel srcCM = srcData.getColorModel();
    ColorModel dstCM = dstData.getColorModel();
    // REMIND: Should get RenderingHints from sg2d
    CompositeContext ctx = comp.createContext(srcCM, dstCM,
                                              new RenderingHints(null));
    Raster srcRas = srcData.getRaster(srcx, srcy, width, height);
    WritableRaster dstRas =
        (WritableRaster) dstData.getRaster(dstx, dsty, width, height);

    if (clip == null) {
        clip = Region.getInstanceXYWH(dstx, dsty, width, height);
    }
    int span[] = {dstx, dsty, dstx+width, dsty+height};
    SpanIterator si = clip.getSpanIterator(span);
    srcx -= dstx;
    srcy -= dsty;
    while (si.nextSpan(span)) {
        int w = span[2] - span[0];
        int h = span[3] - span[1];
        Raster tmpSrcRas = srcRas.createChild(srcx + span[0], srcy + span[1],
                                              w, h, 0, 0, null);
        WritableRaster tmpDstRas = dstRas.createWritableChild(span[0], span[1],
                                                              w, h, 0, 0, null);
        ctx.compose(tmpSrcRas, tmpDstRas, tmpDstRas);
    }
    ctx.dispose();
}
 
Example 32
Project: openjdk-jdk10   File: BMPSubsamplingTest.java   Source Code and License 5 votes vote down vote up
private BufferedImage create3ByteImage(int[] nBits, int[] bOffs) {
    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    ColorModel colorModel =
        new ComponentColorModel(cs, nBits,
                                false, false,
                                Transparency.OPAQUE,
                                DataBuffer.TYPE_BYTE);
    WritableRaster raster =
        Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE,
                                       w, h,
                                       w*3, 3,
                                       bOffs, null);
    return new BufferedImage(colorModel, raster, false, null);
}
 
Example 33
Project: jdk8u-jdk   File: ByteBandedRaster.java   Source Code and License 5 votes vote down vote up
/**
 * Creates a Raster with the same layout but using a different
 * width and height, and with new zeroed data arrays.
 */
public WritableRaster createCompatibleWritableRaster(int w, int h) {
    if (w <= 0 || h <=0) {
        throw new RasterFormatException("negative "+
                                      ((w <= 0) ? "width" : "height"));
    }

    SampleModel sm = sampleModel.createCompatibleSampleModel(w,h);

    return new ByteBandedRaster(sm, new Point(0,0));
}
 
Example 34
Project: OpenJSharp   File: IntegerInterleavedRaster.java   Source Code and License 5 votes vote down vote up
/**
 * Creates a subraster given a region of the raster.  The x and y
 * coordinates specify the horizontal and vertical offsets
 * from the upper-left corner of this raster to the upper-left corner
 * of the subraster.  A subset of the bands of the parent Raster may
 * be specified.  If this is null, then all the bands are present in the
 * subRaster. A translation to the subRaster may also be specified.
 * Note that the subraster will reference the same
 * DataBuffer as the parent raster, but using different offsets.
 * @param x               X offset.
 * @param y               Y offset.
 * @param width           Width (in pixels) of the subraster.
 * @param height          Height (in pixels) of the subraster.
 * @param x0              Translated X origin of the subraster.
 * @param y0              Translated Y origin of the subraster.
 * @param bandList        Array of band indices.
 * @exception RasterFormatException
 *            if the specified bounding box is outside of the parent raster.
 */
public WritableRaster createWritableChild (int x, int y,
                                           int width, int height,
                                           int x0, int y0,
                                           int bandList[]) {
    if (x < this.minX) {
        throw new RasterFormatException("x lies outside raster");
    }
    if (y < this.minY) {
        throw new RasterFormatException("y lies outside raster");
    }
    if ((x+width < x) || (x+width > this.minX + this.width)) {
        throw new RasterFormatException("(x + width) is outside raster");
    }
    if ((y+height < y) || (y+height > this.minY + this.height)) {
        throw new RasterFormatException("(y + height) is outside raster");
    }

    SampleModel sm;

    if (bandList != null)
        sm = sampleModel.createSubsetSampleModel(bandList);
    else
        sm = sampleModel;

    int deltaX = x0 - x;
    int deltaY = y0 - y;

    return new IntegerInterleavedRaster(sm,
                                      dataBuffer,
                                      new Rectangle(x0,y0,width,height),
                                      new Point(sampleModelTranslateX+deltaX,
                                                sampleModelTranslateY+deltaY),
                                      this);
}
 
Example 35
Project: geomapapp   File: MMapServer.java   Source Code and License 5 votes vote down vote up
/**
 * Create a duplicate of a BufferedImage.
 * @param bi
 * @return the copied image.
 */
private static BufferedImage deepCopy(BufferedImage bi) {
	 ColorModel cm = bi.getColorModel();
	 boolean isAlphaPremultiplied = cm.isAlphaPremultiplied();
	 WritableRaster raster = bi.copyData(null);
	 return new BufferedImage(cm, raster, isAlphaPremultiplied, null);
}
 
Example 36
Project: openjdk-jdk10   File: SingleArrayTest.java   Source Code and License 5 votes vote down vote up
public void doTest(Raster src, WritableRaster dst) {
    System.out.println("Test for raster:" + src);
    try {
        dst = op.filter(src, dst);
    } catch (Exception e) {
        throw new RuntimeException("Test failed.", e);
    }
}
 
Example 37
Project: jdk8u-jdk   File: Win32ColorModel24.java   Source Code and License 5 votes vote down vote up
/**
 * Creates a WritableRaster with the specified width and height, that
 * has a data layout (SampleModel) compatible with this ColorModel.
 * @see WritableRaster
 * @see SampleModel
 */
public WritableRaster createCompatibleWritableRaster (int w, int h) {
    int[] bOffs = {2, 1, 0};
    return Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE,
                                          w, h, w*3, 3,
                                          bOffs, null);
}
 
Example 38
Project: OpenJSharp   File: ByteInterleavedRaster.java   Source Code and License 5 votes vote down vote up
/**
 * Creates a Writable subRaster given a region of the Raster. The x and y
 * coordinates specify the horizontal and vertical offsets
 * from the upper-left corner of this Raster to the upper-left corner
 * of the subRaster.  A subset of the bands of the parent Raster may
 * be specified.  If this is null, then all the bands are present in the
 * subRaster. A translation to the subRaster may also be specified.
 * Note that the subRaster will reference the same
 * DataBuffer as the parent Raster, but using different offsets.
 * @param x               X offset.
 * @param y               Y offset.
 * @param width           Width (in pixels) of the subraster.
 * @param height          Height (in pixels) of the subraster.
 * @param x0              Translated X origin of the subraster.
 * @param y0              Translated Y origin of the subraster.
 * @param bandList        Array of band indices.
 * @exception RasterFormatException
 *            if the specified bounding box is outside of the parent Raster.
 */
public WritableRaster createWritableChild(int x, int y,
                                          int width, int height,
                                          int x0, int y0,
                                          int[] bandList) {
    if (x < this.minX) {
        throw new RasterFormatException("x lies outside the raster");
    }
    if (y < this.minY) {
        throw new RasterFormatException("y lies outside the raster");
    }
    if ((x+width < x) || (x+width > this.minX + this.width)) {
        throw new RasterFormatException("(x + width) is outside of Raster");
    }
    if ((y+height < y) || (y+height > this.minY + this.height)) {
        throw new RasterFormatException("(y + height) is outside of Raster");
    }

    SampleModel sm;

    if (bandList != null)
        sm = sampleModel.createSubsetSampleModel(bandList);
    else
        sm = sampleModel;

    int deltaX = x0 - x;
    int deltaY = y0 - y;

    return new ByteInterleavedRaster(sm,
                                   dataBuffer,
                                   new Rectangle(x0, y0, width, height),
                                   new Point(sampleModelTranslateX+deltaX,
                                             sampleModelTranslateY+deltaY),
                                   this);
}
 
Example 39
Project: OpenJSharp   File: GLXGraphicsConfig.java   Source Code and License 5 votes vote down vote up
/**
 * Creates a new hidden-acceleration image of the given width and height
 * that is associated with the target Component.
 */
@Override
public Image createAcceleratedImage(Component target,
                                    int width, int height)
{
    ColorModel model = getColorModel(Transparency.OPAQUE);
    WritableRaster wr =
        model.createCompatibleWritableRaster(width, height);
    return new OffScreenImage(target, model, wr,
                              model.isAlphaPremultiplied());
}
 
Example 40
Project: Rubus   File: Mandelbrot.java   Source Code and License 5 votes vote down vote up
@Ignore
public void output(File out) throws IOException {
	BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_GRAY);
	WritableRaster r = img.getRaster();

	for(int y = 0; y < height; y++) {
		for(int x = 0; x < width; x++) {
			r.setSample(x, y, 0, data[y * height + x]);
		}
	}

	ImageIO.write(img, "png", out);
}