public void testCreateGrayscale() {
// create a 8-bit grayscale ImageTypeSpecifier
ImageTypeSpecifier type = ImageTypeSpecifier.createGrayscale(8, DataBuffer.TYPE_BYTE, true);
ColorModel model = type.getColorModel();
assertEquals(
"Failed to return the colorspace type",
ColorSpace.TYPE_GRAY,
model.getColorSpace().getType());
assertEquals("Failed to return the transparency", Transparency.OPAQUE, model.getTransparency());
assertEquals(
"Failed to return the transfer type", DataBuffer.TYPE_BYTE, model.getTransferType());
assertEquals("Failed to return the pixel size", 8, model.getPixelSize());
// create a 16-bit grayscale AlphaPremultiplied ImageTypeSpecifier
type = ImageTypeSpecifier.createGrayscale(16, DataBuffer.TYPE_USHORT, true, false);
model = type.getColorModel();
assertEquals(
"Failed to return the colorspace type",
ColorSpace.TYPE_GRAY,
model.getColorSpace().getType());
assertEquals(
"Failed to return the transparency", Transparency.TRANSLUCENT, model.getTransparency());
assertEquals(
"Failed to return the transfer type", DataBuffer.TYPE_USHORT, model.getTransferType());
assertEquals("Failed to return the pixel size", 32, model.getPixelSize());
}
public void testCreateFromBufferedImageType() {
for (int i = BufferedImage.TYPE_INT_RGB; i <= BufferedImage.TYPE_BYTE_INDEXED; i++) {
BufferedImage bi = new BufferedImage(1, 1, i);
ColorModel expected = bi.getColorModel();
ImageTypeSpecifier typeSpecifier = ImageTypeSpecifier.createFromBufferedImageType(i);
ColorModel actual = typeSpecifier.getColorModel();
String msg =
"Failed to create correct ImageTypeSpecifier, bufferedImageType = " + Integer.toString(i);
assertEquals(msg, expected.getClass(), actual.getClass());
assertEquals(msg, expected.getColorSpace(), actual.getColorSpace());
assertEquals(msg, expected.getTransferType(), actual.getTransferType());
assertEquals(msg, expected.getTransparency(), actual.getTransparency());
}
}
public ColorModelNode(String name, ColorModel colorModel) {
super(name, colorModel);
addClassChild();
ColorSpace colorSpace = colorModel.getColorSpace();
add(new ColorSpaceNode(colorSpace));
int numColorComponents = colorModel.getNumColorComponents();
addIntChild("numColorComponents", numColorComponents);
int numComponents = colorModel.getNumComponents();
addIntChild("numComponents", numComponents);
boolean hasAlpha = colorModel.hasAlpha();
addBooleanChild("hasAlpha", hasAlpha);
int pixelSize = colorModel.getPixelSize();
addIntChild("pixelSize", pixelSize);
int transferType = colorModel.getTransferType();
String transferTypeDescription = getTransferTypeDescription(transferType);
addStringChild("transferType", transferTypeDescription);
int transparency = colorModel.getTransparency();
addStringChild("transparency", getTransparencyDescription(transparency));
boolean isRGB = isRgbColorModel(colorModel);
addBooleanChild("isRGB", isRGB);
boolean isBGR = isBgrColorModel(colorModel);
addBooleanChild("isBGR", isBGR);
}
public void testCreateBanded() {
int[] bankIndices = new int[] {0, 1, 2};
int[] bandOffsets = new int[] {1, 1, 1};
ColorSpace colorSpace = ColorSpace.getInstance(ColorSpace.CS_sRGB);
int dataType = DataBuffer.TYPE_BYTE;
boolean hasAlpha = false;
ImageTypeSpecifier typeSpecifier =
ImageTypeSpecifier.createBanded(
colorSpace, bankIndices, bandOffsets, dataType, hasAlpha, false);
ColorModel colorModel = typeSpecifier.getColorModel();
assertEquals(
"Failed to create with the correct colorspace type",
ColorSpace.TYPE_RGB,
colorModel.getColorSpace().getType());
assertEquals(
"Failed to create with the correct transparency",
Transparency.OPAQUE,
colorModel.getTransparency());
assertEquals(
"Failed to create with the correcttransfer type",
DataBuffer.TYPE_BYTE,
colorModel.getTransferType());
BandedSampleModel sampleModel = (BandedSampleModel) typeSpecifier.getSampleModel();
assertArrayEquals(
"Failed to create with the correct bankIndices", bankIndices, sampleModel.getBankIndices());
assertArrayEquals(
"Failed to create with the correct bankIndices", bandOffsets, sampleModel.getBandOffsets());
}
public void testCreateIndexed() {
byte[] redLUT = new byte[] {1, 10};
byte[] greenLUT = new byte[] {2, 20};
byte[] blueLUT = new byte[] {3, 30};
byte[] alphaLUT = new byte[] {4, 40};
ImageTypeSpecifier type =
ImageTypeSpecifier.createIndexed(
redLUT, greenLUT, blueLUT, alphaLUT, 1, DataBuffer.TYPE_BYTE);
ColorModel model = type.getColorModel();
assertEquals(
"Failed to return the colorspace", ColorSpace.TYPE_RGB, model.getColorSpace().getType());
assertEquals(
"Failed to return the transparency", Transparency.TRANSLUCENT, model.getTransparency());
assertEquals(
"Failed to return the tranfer type", DataBuffer.TYPE_BYTE, model.getTransferType());
assertEquals("Failed to return the red color component", 1, model.getRed(0));
assertEquals("Failed to return the red color component", 10, model.getRed(1));
assertEquals("Failed to return the green color component", 2, model.getGreen(0));
assertEquals("Failed to return the green color component", 20, model.getGreen(1));
assertEquals("Failed to return the blue color component", 3, model.getBlue(0));
assertEquals("Failed to return the blue color component", 30, model.getBlue(1));
assertEquals("Failed to return the alpha color component", 4, model.getAlpha(0));
assertEquals("Failed to return the alpha color component", 40, model.getAlpha(1));
}
public void testCreateInterleaved() {
ColorSpace colorSpace = ColorSpace.getInstance(ColorSpace.CS_sRGB);
int[] bandOffsets = new int[] {1, 2, 3};
int dataType = DataBuffer.TYPE_BYTE;
ImageTypeSpecifier type =
ImageTypeSpecifier.createInterleaved(colorSpace, bandOffsets, dataType, false, false);
ColorModel colorModel = type.getColorModel();
PixelInterleavedSampleModel sampleModel = (PixelInterleavedSampleModel) type.getSampleModel();
// validate the colorModel
assertEquals(
"Failed to create with the correct colorspace type",
ColorSpace.TYPE_RGB,
colorModel.getColorSpace().getType());
assertEquals(
"Failed to create with the correct transparency",
Transparency.OPAQUE,
colorModel.getTransparency());
assertEquals(
"Failed to create with the correct transfer type",
DataBuffer.TYPE_BYTE,
colorModel.getTransferType());
// validate the sampleModel
assertTrue(
"The sampleModel and colorModel are not compatible",
colorModel.isCompatibleSampleModel(sampleModel));
assertArrayEquals(
"Failed to create with the correct bandOffsets", bandOffsets, sampleModel.getBandOffsets());
assertEquals("Failed to create with the correct pixel stride", 3, sampleModel.getPixelStride());
}
/**
* Creates a SurfaceData object representing an off-screen buffer (either a plain surface or
* Texture).
*/
public static D3DSurfaceData createData(
D3DGraphicsConfig gc, int width, int height, ColorModel cm, Image image, int type) {
if (type == RT_TEXTURE) {
boolean isOpaque = cm.getTransparency() == Transparency.OPAQUE;
int cap = isOpaque ? CAPS_RT_TEXTURE_OPAQUE : CAPS_RT_TEXTURE_ALPHA;
if (!gc.getD3DDevice().isCapPresent(cap)) {
type = RT_PLAIN;
}
}
D3DSurfaceData ret = null;
try {
ret =
new D3DSurfaceData(
null, gc, width, height, image, cm, 0, SWAP_DISCARD, VSYNC_DEFAULT, type);
} catch (InvalidPipeException ipe) {
// try again - we might have ran out of vram, and rt textures
// could take up more than a plain surface, so it might succeed
if (type == RT_TEXTURE) {
// If a RT_TEXTURE was requested do not attempt to create a
// plain surface. (note that RT_TEXTURE can only be requested
// from a VI so the cast is safe)
if (((SunVolatileImage) image).getForcedAccelSurfaceType() != RT_TEXTURE) {
type = RT_PLAIN;
ret =
new D3DSurfaceData(
null, gc, width, height, image, cm, 0, SWAP_DISCARD, VSYNC_DEFAULT, type);
}
}
}
return ret;
}
/**
* Tests capability to write GIF image.
*
* @throws IOException If an error occured while writting the image.
*/
@Test
public void testGIFImageWrite() throws IOException {
assertTrue("Assertions should be enabled.", ImageWorker.class.desiredAssertionStatus());
// Get the image of the world with transparency.
ImageWorker worker = new ImageWorker(worldDEMImage);
show(worker, "Input GIF");
RenderedImage image = worker.getRenderedImage();
ColorModel cm = image.getColorModel();
assertTrue("wrong color model", cm instanceof IndexColorModel);
assertEquals("wrong transparency model", Transparency.OPAQUE, cm.getTransparency());
// Writes it out as GIF on a file using index color model with
final File outFile = TestData.temp(this, "temp.gif");
worker.writeGIF(outFile, "LZW", 0.75f);
// Read it back
final ImageWorker readWorker = new ImageWorker(ImageIO.read(outFile));
show(readWorker, "GIF to file");
image = readWorker.getRenderedImage();
cm = image.getColorModel();
assertTrue("wrong color model", cm instanceof IndexColorModel);
assertEquals("wrong transparency model", Transparency.OPAQUE, cm.getTransparency());
// Write on an output streams.
final OutputStream os = new FileOutputStream(outFile);
worker = new ImageWorker(worldImage);
worker.forceIndexColorModelForGIF(true);
worker.writeGIF(os, "LZW", 0.75f);
// Read it back.
readWorker.setImage(ImageIO.read(outFile));
show(readWorker, "GIF to output stream");
image = readWorker.getRenderedImage();
cm = image.getColorModel();
assertTrue("wrong color model", cm instanceof IndexColorModel);
assertEquals("wrong transparency model", Transparency.BITMASK, cm.getTransparency());
assertEquals(
"wrong transparent color index", 255, ((IndexColorModel) cm).getTransparentPixel());
outFile.delete();
}
public ByteFilter(
ByteInterleavedRaster srcRas, ColorModel cm, AffineTransform xform, int maxw) {
super(
(cm.getTransparency() == Transparency.OPAQUE ? xrgbmodel : argbmodel),
xform,
srcRas.getWidth(),
srcRas.getHeight(),
maxw);
this.inPalette = new int[256];
((IndexColorModel) cm).getRGBs(this.inPalette);
this.srcRas = srcRas;
this.inData = srcRas.getDataStorage();
this.inSpan = srcRas.getScanlineStride();
this.inOff = srcRas.getDataOffset(0);
}
/** Tests the conversion between RGB and indexed color model. */
@Test
public void testRGB2Palette() {
assertTrue("Assertions should be enabled.", ImageWorker.class.desiredAssertionStatus());
final ImageWorker worker = new ImageWorker(worldImage);
show(worker, "Input file");
worker.forceIndexColorModelForGIF(true);
// Convert to to index color bitmask
ColorModel cm = worker.getRenderedImage().getColorModel();
assertTrue("wrong color model", cm instanceof IndexColorModel);
assertEquals("wrong transparency model", Transparency.BITMASK, cm.getTransparency());
assertEquals("wrong transparency index", 255, ((IndexColorModel) cm).getTransparentPixel());
show(worker, "Paletted bitmask");
// Go back to rgb.
worker.forceComponentColorModel();
cm = worker.getRenderedImage().getColorModel();
assertTrue("wrong color model", cm instanceof ComponentColorModel);
assertEquals("wrong bands number", 4, cm.getNumComponents());
show(worker, "RGB translucent");
assertEquals("wrong transparency model", Transparency.TRANSLUCENT, cm.getTransparency());
show(worker, "RGB translucent");
}
@Test
public void test16BitGIF() throws Exception {
// the resource has been compressed since the palette is way larger than the image itself,
// and the palette does not get compressed
InputStream gzippedStream =
ImageWorkerTest.class.getResource("test-data/sf-sfdem.tif.gz").openStream();
GZIPInputStream is = new GZIPInputStream(gzippedStream);
try {
ImageInputStream iis = ImageIO.createImageInputStream(is);
ImageReader reader = new TIFFImageReaderSpi().createReaderInstance(iis);
reader.setInput(iis);
BufferedImage bi = reader.read(0);
if (TestData.isInteractiveTest()) {
ImageIOUtilities.visualize(bi, "before");
}
reader.dispose();
iis.close();
IndexColorModel icm = (IndexColorModel) bi.getColorModel();
assertEquals(65536, icm.getMapSize());
final File outFile = TestData.temp(this, "temp.gif");
ImageWorker worker = new ImageWorker(bi);
worker.writeGIF(outFile, "LZW", 0.75f);
// Read it back.
bi = ImageIO.read(outFile);
if (TestData.isInteractiveTest()) {
ImageIOUtilities.visualize(bi, "after");
}
ColorModel cm = bi.getColorModel();
assertTrue("wrong color model", cm instanceof IndexColorModel);
assertEquals("wrong transparency model", Transparency.OPAQUE, cm.getTransparency());
final IndexColorModel indexColorModel = (IndexColorModel) cm;
assertEquals("wrong transparent color index", -1, indexColorModel.getTransparentPixel());
assertEquals("wrong component size", 8, indexColorModel.getComponentSize(0));
outFile.delete();
} finally {
is.close();
}
}
public void setColorModel(ColorModel model) {
if (src != null) {
src.checkSecurity(null, false);
}
srcModel = model;
// Check to see if model is INT_RGB
if (model instanceof IndexColorModel) {
if (model.getTransparency() == model.TRANSLUCENT) {
// REMIND:
// Probably need to composite anyway so force ARGB
cmodel = ColorModel.getRGBdefault();
srcLUT = null;
} else {
IndexColorModel icm = (IndexColorModel) model;
numSrcLUT = icm.getMapSize();
srcLUT = new int[Math.max(numSrcLUT, 256)];
icm.getRGBs(srcLUT);
srcLUTtransIndex = icm.getTransparentPixel();
cmodel = model;
}
} else {
if (cmodel == null) {
cmodel = model;
srcLUT = null;
} else if (model instanceof DirectColorModel) {
// If it is INT_RGB or INT_ARGB, use the model
DirectColorModel dcm = (DirectColorModel) model;
if ((dcm.getRedMask() == 0xff0000)
&& (dcm.getGreenMask() == 0xff00)
&& (dcm.getBlueMask() == 0x00ff)) {
cmodel = model;
srcLUT = null;
}
}
}
isSameCM = (cmodel == model);
}
public static void main(String args[]) {
ColorModel cm =
new ColorModel(32) {
public int getAlpha(int pixel) {
return 255;
}
public int getBlue(int pixel) {
return 255;
}
public int getGreen(int pixel) {
return 255;
}
public int getRed(int pixel) {
return 255;
}
};
cm.hasAlpha();
cm.isAlphaPremultiplied();
cm.getTransferType();
cm.getPixelSize();
cm.getComponentSize();
cm.getComponentSize();
cm.getTransparency();
cm.getNumComponents();
cm.getNumColorComponents();
cm.getRed(20);
cm.getGreen(20);
cm.getBlue(20);
cm.getAlpha(20);
cm.getRGB(20);
cm.isAlphaPremultiplied();
cm.isAlphaPremultiplied();
cm = ColorModel.getRGBdefault();
}
protected RenderedImage convert(RenderedImage renderedImage) throws Exception {
int height = renderedImage.getHeight();
int width = renderedImage.getWidth();
SampleModel sampleModel = renderedImage.getSampleModel();
ColorModel colorModel = renderedImage.getColorModel();
Raster raster = renderedImage.getData();
DataBuffer dataBuffer = raster.getDataBuffer();
if (colorModel instanceof IndexColorModel) {
IndexColorModel indexColorModel = (IndexColorModel) colorModel;
int mapSize = indexColorModel.getMapSize();
byte[][] data = new byte[4][mapSize];
indexColorModel.getReds(data[0]);
indexColorModel.getGreens(data[1]);
indexColorModel.getBlues(data[2]);
indexColorModel.getAlphas(data[3]);
LookupTableJAI lookupTableJAI = new LookupTableJAI(data);
renderedImage = LookupDescriptor.create(renderedImage, lookupTableJAI, null);
} else if (sampleModel.getNumBands() == 2) {
List<Byte> bytesList = new ArrayList<Byte>(height * width * _NUM_OF_BANDS);
List<Byte> tempBytesList = new ArrayList<Byte>(_NUM_OF_BANDS);
for (int i = 0; i < dataBuffer.getSize(); i++) {
int mod = (i + 1) % 2;
int elemPos = i;
if (mod == 0) {
tempBytesList.add((byte) dataBuffer.getElem(elemPos - 1));
tempBytesList.add((byte) dataBuffer.getElem(elemPos - 1));
}
tempBytesList.add((byte) dataBuffer.getElem(elemPos));
if (mod == 0) {
Collections.reverse(tempBytesList);
bytesList.addAll(tempBytesList);
tempBytesList.clear();
}
}
byte[] data = ArrayUtil.toArray(bytesList.toArray(new Byte[bytesList.size()]));
DataBuffer newDataBuffer = new DataBufferByte(data, data.length);
renderedImage = createRenderedImage(renderedImage, height, width, newDataBuffer);
} else if (colorModel.getTransparency() != Transparency.TRANSLUCENT) {
List<Byte> bytesList = new ArrayList<Byte>(height * width * _NUM_OF_BANDS);
List<Byte> tempBytesList = new ArrayList<Byte>(_NUM_OF_BANDS);
for (int i = 0; i < dataBuffer.getSize(); i++) {
int mod = (i + 1) % 3;
int elemPos = i;
tempBytesList.add((byte) dataBuffer.getElem(elemPos));
if (mod == 0) {
tempBytesList.add((byte) 255);
Collections.reverse(tempBytesList);
bytesList.addAll(tempBytesList);
tempBytesList.clear();
}
}
byte[] data = ArrayUtil.toArray(bytesList.toArray(new Byte[bytesList.size()]));
DataBuffer newDataBuffer = new DataBufferByte(data, data.length);
renderedImage = createRenderedImage(renderedImage, height, width, newDataBuffer);
}
return renderedImage;
}
public void setPixels(
int x, int y, int w, int h, ColorModel model, int pix[], int off, int scansize) {
int lineOff = off;
int poff;
if (src != null) {
src.checkSecurity(null, false);
}
// REMIND: What if the model doesn't fit in default color model?
synchronized (this) {
if (bimage == null) {
if (cmodel == null) {
cmodel = model;
}
createBufferedImage();
}
int[] storage = new int[w];
int yoff;
int pixel;
if (cmodel instanceof IndexColorModel) {
// REMIND: Right now we don't support writing back into ICM
// images.
convertToRGB();
}
if ((model == cmodel) && (biRaster instanceof IntegerComponentRaster)) {
IntegerComponentRaster iraster = (IntegerComponentRaster) biRaster;
if (off == 0 && scansize == w) {
iraster.setDataElements(x, y, w, h, pix);
} else {
// Need to pack the data
for (yoff = y; yoff < y + h; yoff++, lineOff += scansize) {
System.arraycopy(pix, lineOff, storage, 0, w);
iraster.setDataElements(x, yoff, w, 1, storage);
}
}
} else {
if (model.getTransparency() != model.OPAQUE && cmodel.getTransparency() == cmodel.OPAQUE) {
convertToRGB();
}
if (isDefaultBI) {
IntegerComponentRaster iraster = (IntegerComponentRaster) biRaster;
int[] data = iraster.getDataStorage();
if (cmodel.equals(model)) {
int sstride = iraster.getScanlineStride();
int doff = y * sstride + x;
for (yoff = 0; yoff < h; yoff++, lineOff += scansize) {
System.arraycopy(pix, lineOff, data, doff, w);
doff += sstride;
}
// Note: manual modification of pixels, mark the
// raster as changed
iraster.markDirty();
} else {
for (yoff = y; yoff < y + h; yoff++, lineOff += scansize) {
poff = lineOff;
for (int i = 0; i < w; i++) {
storage[i] = model.getRGB(pix[poff++]);
}
iraster.setDataElements(x, yoff, w, 1, storage);
}
}
availinfo |= ImageObserver.SOMEBITS;
} else {
Object tmp = null;
for (yoff = y; yoff < y + h; yoff++, lineOff += scansize) {
poff = lineOff;
for (int xoff = x; xoff < x + w; xoff++) {
pixel = model.getRGB(pix[poff++]);
tmp = cmodel.getDataElements(pixel, tmp);
biRaster.setDataElements(xoff, yoff, tmp);
}
}
availinfo |= ImageObserver.SOMEBITS;
}
}
}
// Can't do this here since we might need to transform/clip
// the region
if (((availinfo & ImageObserver.FRAMEBITS) == 0)) {
newInfo(image, ImageObserver.SOMEBITS, x, y, w, h);
}
}
/*
* Return the color model to be used with this BufferedImage and
* transform.
*/
private ColorModel getTransformColorModel(
SunGraphics2D sg, BufferedImage bImg, AffineTransform tx) {
ColorModel cm = bImg.getColorModel();
ColorModel dstCM = cm;
if (tx.isIdentity()) {
return dstCM;
}
int type = tx.getType();
boolean needTrans = ((type & (tx.TYPE_MASK_ROTATION | tx.TYPE_GENERAL_TRANSFORM)) != 0);
if (!needTrans && type != tx.TYPE_TRANSLATION && type != tx.TYPE_IDENTITY) {
double[] mtx = new double[4];
tx.getMatrix(mtx);
// Check out the matrix. A non-integral scale will force ARGB
// since the edge conditions cannot be guaranteed.
needTrans = (mtx[0] != (int) mtx[0] || mtx[3] != (int) mtx[3]);
}
if (sg.renderHint != SunHints.INTVAL_RENDER_QUALITY) {
if (cm instanceof IndexColorModel) {
Raster raster = bImg.getRaster();
IndexColorModel icm = (IndexColorModel) cm;
// Just need to make sure that we have a transparent pixel
if (needTrans && cm.getTransparency() == cm.OPAQUE) {
// Fix 4221407
if (raster instanceof sun.awt.image.BytePackedRaster) {
dstCM = ColorModel.getRGBdefault();
} else {
double[] matrix = new double[6];
tx.getMatrix(matrix);
if (matrix[1] == 0. && matrix[2] == 0. && matrix[4] == 0. && matrix[5] == 0.) {
// Only scaling so do not need to create
} else {
int mapSize = icm.getMapSize();
if (mapSize < 256) {
int[] cmap = new int[mapSize + 1];
icm.getRGBs(cmap);
cmap[mapSize] = 0x0000;
dstCM =
new IndexColorModel(
icm.getPixelSize(),
mapSize + 1,
cmap,
0,
true,
mapSize,
DataBuffer.TYPE_BYTE);
} else {
dstCM = ColorModel.getRGBdefault();
}
} /* if (matrix[0] < 1.f ...) */
} /* raster instanceof sun.awt.image.BytePackedRaster */
} /* if (cm.getTransparency() == cm.OPAQUE) */
} /* if (cm instanceof IndexColorModel) */ else if (needTrans
&& cm.getTransparency() == cm.OPAQUE) {
// Need a bitmask transparency
// REMIND: for now, use full transparency since no loops
// for bitmask
dstCM = ColorModel.getRGBdefault();
}
} /* if (sg.renderHint == RENDER_QUALITY) */ else {
if (cm instanceof IndexColorModel || (needTrans && cm.getTransparency() == cm.OPAQUE)) {
// Need a bitmask transparency
// REMIND: for now, use full transparency since no loops
// for bitmask
dstCM = ColorModel.getRGBdefault();
}
}
return dstCM;
}
public Iterator getImageTypes(int imageIndex) throws IIOException {
List l; // List of ImageTypeSpecifiers
Integer imageIndexInteger = new Integer(imageIndex);
if (imageTypeMap.containsKey(imageIndexInteger)) {
// Return the cached ITS List.
l = (List) imageTypeMap.get(imageIndexInteger);
} else {
// Create a new ITS List.
l = new ArrayList(1);
// Create the ITS and cache if for later use so that this method
// always returns an Iterator containing the same ITS objects.
seekToImage(imageIndex);
ImageTypeSpecifier itsRaw =
TIFFDecompressor.getRawImageTypeSpecifier(
photometricInterpretation,
compression,
samplesPerPixel,
bitsPerSample,
sampleFormat,
extraSamples,
colorMap);
// Check for an ICCProfile field.
TIFFField iccProfileField = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_ICC_PROFILE);
// If an ICCProfile field is present change the ImageTypeSpecifier
// to use it if the data layout is component type.
if (iccProfileField != null && itsRaw.getColorModel() instanceof ComponentColorModel) {
// Create a ColorSpace from the profile.
byte[] iccProfileValue = iccProfileField.getAsBytes();
ICC_Profile iccProfile = ICC_Profile.getInstance(iccProfileValue);
ICC_ColorSpace iccColorSpace = new ICC_ColorSpace(iccProfile);
// Get the raw sample and color information.
ColorModel cmRaw = itsRaw.getColorModel();
ColorSpace csRaw = cmRaw.getColorSpace();
SampleModel smRaw = itsRaw.getSampleModel();
// Get the number of samples per pixel and the number
// of color components.
int numBands = smRaw.getNumBands();
int numComponents = iccColorSpace.getNumComponents();
// Replace the ColorModel with the ICC ColorModel if the
// numbers of samples and color components are amenable.
if (numBands == numComponents || numBands == numComponents + 1) {
// Set alpha flags.
boolean hasAlpha = numComponents != numBands;
boolean isAlphaPre = hasAlpha && cmRaw.isAlphaPremultiplied();
// Create a ColorModel of the same class and with
// the same transfer type.
ColorModel iccColorModel =
new ComponentColorModel(
iccColorSpace,
cmRaw.getComponentSize(),
hasAlpha,
isAlphaPre,
cmRaw.getTransparency(),
cmRaw.getTransferType());
// Prepend the ICC profile-based ITS to the List. The
// ColorModel and SampleModel are guaranteed to be
// compatible as the old and new ColorModels are both
// ComponentColorModels with the same transfer type
// and the same number of components.
l.add(new ImageTypeSpecifier(iccColorModel, smRaw));
// Append the raw ITS to the List if and only if its
// ColorSpace has the same type and number of components
// as the ICC ColorSpace.
if (csRaw.getType() == iccColorSpace.getType()
&& csRaw.getNumComponents() == iccColorSpace.getNumComponents()) {
l.add(itsRaw);
}
} else { // ICCProfile not compatible with SampleModel.
// Append the raw ITS to the List.
l.add(itsRaw);
}
} else { // No ICCProfile field or raw ColorModel not component.
// Append the raw ITS to the List.
l.add(itsRaw);
}
// Cache the ITS List.
imageTypeMap.put(imageIndexInteger, l);
}
return l.iterator();
}