private static int calculateColor(float[] f, ColorSpace colorSpace) {
int n = colorSpace.getNumComponents();
// Get the reverse of f, and only take n values
// Might as well limit the bounds while we're at it
float[] fvalue = new float[n];
int toCopy = n;
int fLength = f.length;
if (fLength < toCopy) {
toCopy = fLength;
}
for (int i = 0; i < toCopy; i++) {
float curr = f[fLength - 1 - i];
if (curr < 0.0f) {
curr = 0.0f;
} else if (curr > 1.0f) {
curr = 1.0f;
}
fvalue[i] = curr;
}
float[] frgbvalue = colorSpace.toRGB(fvalue);
return (0xFF000000)
| ((((int) (frgbvalue[0] * 255)) & 0xFF) << 16)
| ((((int) (frgbvalue[1] * 255)) & 0xFF) << 8)
| ((((int) (frgbvalue[2] * 255)) & 0xFF));
}
/**
* Returns a <code>float</code> array containing the color and alpha components of the <code>Color
* </code>, in the <code>ColorSpace</code> specified by the <code>cspace</code> parameter. If
* <code>compArray</code> is <code>null</code>, an array with length equal to the number of
* components in <code>cspace</code> plus one is created for the return value. Otherwise, <code>
* compArray</code> must have at least this length, and it is filled in with the components and
* returned.
*
* @param cspace a specified <code>ColorSpace</code>
* @param compArray an array that this method fills with the color and alpha components of this
* <code>Color</code> in the specified <code>ColorSpace</code> and returns
* @return the color and alpha components in a <code>float</code> array.
*/
@Override
public float[] getComponents(ColorSpace cspace, float[] compArray) {
if (cs == null) {
cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
}
float f[];
if (fvalue == null) {
f = new float[3];
f[0] = ((float) getRed()) / 255f;
f[1] = ((float) getGreen()) / 255f;
f[2] = ((float) getBlue()) / 255f;
} else {
f = fvalue;
}
float tmp[] = cs.toCIEXYZ(f);
float tmpout[] = cspace.fromCIEXYZ(tmp);
if (compArray == null) {
compArray = new float[tmpout.length + 1];
}
for (int i = 0; i < tmpout.length; i++) {
compArray[i] = tmpout[i];
}
if (fvalue == null) {
compArray[tmpout.length] = ((float) getAlpha()) / 255f;
} else {
compArray[tmpout.length] = falpha;
}
return compArray;
}
@Override
public String getName(GridCoverage2DReader reader, Map<String, String> map) {
ImageLayout layout;
String coverageName = null;
try {
layout = reader.getImageLayout();
ColorModel cm = layout.getColorModel(null);
ColorSpace cs = cm.getColorSpace();
int type = cs.getType();
switch (type) {
case ColorSpace.TYPE_GRAY:
coverageName = GRAY;
break;
case ColorSpace.TYPE_RGB:
coverageName = RGB;
break;
default:
throw new IllegalArgumentException(
"The specified ColorSpace's type is not supported: " + type);
}
} catch (IOException e) {
throw new IllegalArgumentException(e);
}
return coverageName;
}
/**
* Creates a color in the specified <code>ColorSpace</code> with the color components specified in
* the <code>float</code> array and the specified alpha. The number of components is determined by
* the type of the <code>ColorSpace</code>. For example, RGB requires 3 components, but CMYK
* requires 4 components.
*
* @param cspace the <code>ColorSpace</code> to be used to interpret the components
* @param components an arbitrary number of color components that is compatible with the <code>
* ColorSpace</code>
* @param alpha alpha value
* @throws IllegalArgumentException if any of the values in the <code>components</code> array or
* <code>alpha</code> is outside of the range supported by cspace.
* @see #getComponents
* @see #getColorComponents
*/
public CompositeColor(ColorSpace cspace, float components[], float alpha) {
super(((int) (alpha * 255) << 24) | ColorUtil.toRGB24(cspace, components), true);
boolean rangeError = false;
StringBuilder badComponentString = new StringBuilder();
int n = cspace.getNumComponents();
fvalue = new float[n];
for (int i = 0; i < n; i++) {
if (components[i] < cspace.getMinValue(i) || components[i] > cspace.getMaxValue(i)) {
rangeError = true;
badComponentString.append("Component ");
badComponentString.append(i);
badComponentString.append(' ');
} else {
fvalue[i] = components[i];
}
}
if (alpha < 0.0 || alpha > 1.0) {
rangeError = true;
badComponentString.append("Alpha");
} else {
falpha = alpha;
}
if (rangeError) {
throw new IllegalArgumentException(
"Color parameter outside of expected range: " + badComponentString);
}
cs = cspace;
}
public ColorModel createColorModel() {
int[] bits;
if (hasAlpha) bits = new int[cspace.getNumComponents() + 1];
else bits = new int[cspace.getNumComponents()];
Arrays.fill(bits, 8);
return new ComponentColorModel(cspace, bits, hasAlpha, alphaPre, transparency, transferType);
}
// Create an appropriate array of bits, given a colorspace (ie, number of
// bands), size of the storage data type, and presence of an alpha band.
private static int[] findBits(ColorSpace colorSpace, int transferType, boolean hasAlpha) {
int[] bits;
if (hasAlpha) bits = new int[colorSpace.getNumComponents() + 1];
else bits = new int[colorSpace.getNumComponents()];
Arrays.fill(bits, DataBuffer.getDataTypeSize(transferType));
return bits;
}
/**
* Create string representation of a fop-rgb-icc (or fop-rgb-named-color) function call from the
* given color.
*
* @param color the color to turn into a function call
* @return the string representing the internal fop-rgb-icc() or fop-rgb-named-color() function
* call
*/
private static String toFunctionCall(ColorWithAlternatives color) {
ColorSpace cs = color.getColorSpace();
if (cs.isCS_sRGB() && !color.hasAlternativeColors()) {
return toRGBFunctionCall(color);
}
if (cs instanceof CIELabColorSpace) {
return toCIELabFunctionCall(color);
}
Color specColor = color;
if (color.hasAlternativeColors()) {
Color alt = color.getAlternativeColors()[0];
if (ColorSpaces.isDeviceColorSpace(alt.getColorSpace())) {
cs = alt.getColorSpace();
specColor = alt;
}
}
ColorSpaceOrigin origin = ColorSpaces.getColorSpaceOrigin(cs);
String functionName;
Color fallbackColor = getsRGBFallback(color);
float[] rgb = fallbackColor.getColorComponents(null);
assert rgb.length == 3;
StringBuffer sb = new StringBuffer(40);
sb.append("(");
sb.append(rgb[0]).append(",");
sb.append(rgb[1]).append(",");
sb.append(rgb[2]).append(",");
String profileName = origin.getProfileName();
sb.append(profileName).append(",");
if (origin.getProfileURI() != null) {
sb.append("\"").append(origin.getProfileURI()).append("\"");
}
if (cs instanceof NamedColorSpace) {
NamedColorSpace ncs = (NamedColorSpace) cs;
if (SEPARATION_PSEUDO_PROFILE.equalsIgnoreCase(profileName)) {
functionName = "fop-rgb-icc";
} else {
functionName = "fop-rgb-named-color";
}
sb.append(",").append(ncs.getColorName());
} else {
functionName = "fop-rgb-icc";
float[] colorComponents = specColor.getColorComponents(null);
for (float colorComponent : colorComponents) {
sb.append(",");
sb.append(colorComponent);
}
}
sb.append(")");
return functionName + sb.toString();
}
/**
* Construct an OpImage given a String representation of a URL, a resolution, and a sub-image
* index.
*
* @param URLSpec The URL of the IIP image including the FIF cimmand if needed and possibly an SDS
* command.
* @param level The resolution level with 0 as the lowest resolution.
* @param subImage The subimage number.
* @param layout The layout hint; may be null.
*/
public IIPResolutionOpImage(Map config, String URLSpec, int level, int subImage) {
super(
(Vector) null, // the image is sourceless
layoutHelper(URLSpec, level, subImage),
config,
false);
this.renderHints = (RenderingHints) config;
// Cache the constructor parameters.
URLString = URLSpec;
this.subImage = subImage;
// Retrieve required parameters from server.
String[] cmd = new String[] {"OBJ=Resolution-number"};
InputStream stream = postCommands(cmd);
String label = null;
while ((label = getLabel(stream)) != null) {
if (label.equals("resolution-number")) {
String data = getDataAsString(stream, false);
int numRes = Integer.valueOf(data).intValue();
if (level < 0) {
resolution = 0;
} else if (level >= numRes) {
resolution = numRes - 1;
} else {
resolution = level;
}
} else {
checkError(label, stream, true);
}
}
endResponse(stream);
// Cache some values which will be used repetitively.
ColorSpace cs = colorModel.getColorSpace();
if (cs.isCS_sRGB()) {
colorSpaceType = CS_NIFRGB;
} else if (cs.equals(ColorSpace.getInstance(ColorSpace.CS_GRAY))) {
colorSpaceType = CS_MONOCHROME;
} else {
colorSpaceType = CS_PHOTOYCC;
}
hasAlpha = colorModel.hasAlpha();
isAlphaPremultilpied = colorModel.isAlphaPremultiplied();
minTileX = getMinTileX();
minTileY = getMinTileY();
numXTiles = getNumXTiles();
}
/**
* Set the non stroking color, specified as RGB.
*
* @param color The color to set.
* @throws IOException If an IO error occurs while writing to the stream.
*/
public void setNonStrokingColor(Color color) throws IOException {
ColorSpace colorSpace = color.getColorSpace();
if (colorSpace.getType() == ColorSpace.TYPE_RGB) {
setNonStrokingColor(color.getRed(), color.getGreen(), color.getBlue());
} else if (colorSpace.getType() == ColorSpace.TYPE_GRAY) {
color.getColorComponents(colorComponents);
setNonStrokingColor(colorComponents[0]);
} else if (colorSpace.getType() == ColorSpace.TYPE_CMYK) {
color.getColorComponents(colorComponents);
setNonStrokingColor(
colorComponents[0], colorComponents[2], colorComponents[2], colorComponents[3]);
} else {
throw new IOException("Error: unknown colorspace:" + colorSpace);
}
}
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 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());
}
/**
* Constructs IntegerRaster with the given size.
*
* @param _nrow the number of rows
* @param _ncol the number of columns
*/
public IntegerRaster(int _nrow, int _ncol) {
nrow = _nrow;
ncol = _ncol;
dimension = new Dimension(ncol, nrow);
int size = nrow * ncol;
ComponentColorModel ccm =
new ComponentColorModel(
ColorSpace.getInstance(ColorSpace.CS_sRGB),
new int[] {8, 8, 8},
false, // hasAlpha
false,
Transparency.OPAQUE,
DataBuffer.TYPE_BYTE);
BandedSampleModel csm =
new BandedSampleModel(
DataBuffer.TYPE_BYTE, ncol, nrow, ncol, new int[] {0, 1, 2}, new int[] {0, 0, 0});
rgbData = new byte[3][size];
DataBuffer databuffer = new DataBufferByte(rgbData, size);
WritableRaster raster = Raster.createWritableRaster(csm, databuffer, new Point(0, 0));
image = new BufferedImage(ccm, raster, false, null);
// col in x direction, row in y direction
xmin = 0;
xmax = ncol;
ymin = nrow;
ymax = 0; // zero is on top
}
/**
* Create a raster that can be used in {@link #createGlyphRaster(WritableRaster, double)}.
*
* @param width
* @param height
* @return the raster
*/
public static final WritableRaster createRaster(int width, int height) {
final ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_GRAY);
final int[] nBits = {8};
final ComponentColorModel cm =
new ComponentColorModel(cs, nBits, false, true, Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
return cm.createCompatibleWritableRaster(width, height);
}
/** Generate a tiled image that contains a view of the mask. */
@SuppressWarnings("restriction")
public TiledImage getMaskImage() {
TiledImage ti =
new TiledImage(
0,
0,
mwidth,
mheight,
0,
0,
new PixelInterleavedSampleModel(
DataBuffer.TYPE_BYTE, mwidth, mheight, 1, mwidth, Transform.bandstride),
new ComponentColorModel(
ColorSpace.getInstance(ColorSpace.CS_GRAY),
false,
false,
ComponentColorModel.OPAQUE,
DataBuffer.TYPE_BYTE));
WritableRaster gradRaster = ti.getWritableTile(0, 0);
DataBufferByte gradDB = (DataBufferByte) gradRaster.getDataBuffer();
byte[] gradImageData = gradDB.getData();
int maskwh = mwidth * mheight;
for (int i = 0; i < maskwh; i++) gradImageData[i] = (byte) mask[i];
return ti;
}
private BufferedImage toImage(byte[][] bands, int xSize, int ySize) {
int numberOfBands = bands.length;
int numBytes = xSize * ySize * numberOfBands;
DataBuffer imgBuffer = new DataBufferByte(bands, numBytes);
SampleModel sampleModel = new BandedSampleModel(TYPE_BYTE, xSize, ySize, numberOfBands);
WritableRaster raster = Raster.createWritableRaster(sampleModel, imgBuffer, null);
if (numberOfBands == 1) {
Band band = dataset.GetRasterBand(1);
int bufType = band.getDataType();
int dataType = detectDataType(band, bufType);
BufferedImage img;
if (BufferedImage.TYPE_BYTE_INDEXED == dataType) {
ColorTable ct = band.GetRasterColorTable();
IndexColorModel cm = ct.getIndexColorModel(gdal.GetDataTypeSize(bufType));
img = new BufferedImage(xSize, ySize, dataType, cm);
} else {
img = new BufferedImage(xSize, ySize, dataType);
}
img.setData(raster);
return img;
}
ColorSpace cs = ColorSpace.getInstance(CS_sRGB);
ColorModel cm;
if (numberOfBands == 3) {
cm = new ComponentColorModel(cs, false, false, ColorModel.OPAQUE, TYPE_BYTE);
} else if (numberOfBands == 4) {
cm = new ComponentColorModel(cs, true, false, ColorModel.TRANSLUCENT, TYPE_BYTE);
} else {
throw new IllegalArgumentException("Unsupported number of bands: " + numberOfBands);
}
return new BufferedImage(cm, raster, false, null);
}
public void extract(BufferedImage image) {
histogram = new double[18];
double[] directionality;
ColorConvertOp op =
new ColorConvertOp(
image.getColorModel().getColorSpace(),
ColorSpace.getInstance(ColorSpace.CS_GRAY),
new RenderingHints(
RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY));
BufferedImage bimg = op.filter(image, null);
bimg = ImageUtils.scaleImage(bimg, MAX_IMG_HEIGHT);
Raster raster = bimg.getRaster();
int[] tmp = new int[3];
this.grayScales = new int[raster.getWidth()][raster.getHeight()];
for (int i = 0; i < raster.getWidth(); i++) {
for (int j = 0; j < raster.getHeight(); j++) {
raster.getPixel(i, j, tmp);
this.grayScales[i][j] = tmp[0];
}
}
imgWidth = bimg.getWidth();
imgHeight = bimg.getHeight();
histogram[0] = this.coarseness(bimg.getWidth(), bimg.getHeight());
histogram[1] = this.contrast();
directionality = this.directionality();
for (int i = 2; i < histogram.length; i++) {
histogram[i] = directionality[i - 2];
}
}
/**
* Constructs a {@code PackedColorModel} from a color mask array, which specifies which bits in an
* {@code int} pixel representation contain each of the color samples, and an alpha mask. Color
* components are in the specified {@code ColorSpace}. The length of {@code colorMaskArray} should
* be the number of components in the {@code ColorSpace}. All of the bits in each mask must be
* contiguous and fit in the specified number of least significant bits of an {@code int} pixel
* representation. If the {@code alphaMask} is 0, there is no alpha. If there is alpha, the {@code
* boolean isAlphaPremultiplied} specifies how to interpret color and alpha samples in pixel
* values. If the {@code boolean} is {@code true}, color samples are assumed to have been
* multiplied by the alpha sample. The transparency, {@code trans}, specifies what alpha values
* can be represented by this color model. The transfer type is the type of primitive array used
* to represent pixel values.
*
* @param space the specified {@code ColorSpace}
* @param bits the number of bits in the pixel values
* @param colorMaskArray array that specifies the masks representing the bits of the pixel values
* that represent the color components
* @param alphaMask specifies the mask representing the bits of the pixel values that represent
* the alpha component
* @param isAlphaPremultiplied {@code true} if color samples are premultiplied by the alpha
* sample; {@code false} otherwise
* @param trans specifies the alpha value that can be represented by this color model
* @param transferType the type of array used to represent pixel values
* @throws IllegalArgumentException if {@code bits} is less than 1 or greater than 32
*/
public PackedColorModel(
ColorSpace space,
int bits,
int[] colorMaskArray,
int alphaMask,
boolean isAlphaPremultiplied,
int trans,
int transferType) {
super(
bits,
PackedColorModel.createBitsArray(colorMaskArray, alphaMask),
space,
(alphaMask == 0 ? false : true),
isAlphaPremultiplied,
trans,
transferType);
if (bits < 1 || bits > 32) {
throw new IllegalArgumentException("Number of bits must be between" + " 1 and 32.");
}
maskArray = new int[numComponents];
maskOffsets = new int[numComponents];
scaleFactors = new float[numComponents];
for (int i = 0; i < numColorComponents; i++) {
// Get the mask offset and #bits
DecomposeMask(colorMaskArray[i], i, space.getName(i));
}
if (alphaMask != 0) {
DecomposeMask(alphaMask, numColorComponents, "alpha");
if (nBits[numComponents - 1] == 1) {
transparency = Transparency.BITMASK;
}
}
}
/**
* Returns the <code>ColorSpace</code> of this <code>Color</code>.
*
* @return this <code>Color</code> object's <code>ColorSpace</code>.
*/
@Override
public ColorSpace getColorSpace() {
if (cs == null) {
cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
}
return cs;
}
public BufferedImage aplicaFiltro(BufferedImage bi) {
Raster raster = bi.getData();
int w = raster.getWidth();
int h = raster.getHeight();
byte[] rgb = new byte[w * h * 3];
int[] R = raster.getSamples(0, 0, w, h, 0, (int[]) null);
int[] G = raster.getSamples(0, 0, w, h, 1, (int[]) null);
int[] B = raster.getSamples(0, 0, w, h, 2, (int[]) null);
for (int i = 0, imax = R.length, base = 0; i < imax; i++, base += 3) {
int r = R[i];
int g = G[i];
int b = B[i];
int oR = r, oG = g, oB = b;
r = (oR + oG) / 2;
g = (oR + oG + oB) / 3;
b = oB;
rgb[base] = (byte) (Math.min(255f, r));
rgb[base + 1] = (byte) (Math.min(255f, g));
rgb[base + 2] = (byte) (Math.min(255f, b));
}
raster =
Raster.createInterleavedRaster(
new DataBufferByte(rgb, rgb.length), w, h, w * 3, 3, new int[] {0, 1, 2}, null);
ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
ColorModel cm =
new ComponentColorModel(cs, false, true, Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
return new BufferedImage(cm, (WritableRaster) raster, true, null);
}
@Override
public ImageTypeSpecifier getRawImageType(final int imageIndex) throws IOException {
checkBounds(imageIndex);
readHeader();
int channels = header.getChannels();
int paletteInfo = header.getPaletteInfo();
ColorSpace cs =
paletteInfo == PCX.PALETTEINFO_GRAY
? ColorSpace.getInstance(ColorSpace.CS_GRAY)
: ColorSpace.getInstance(ColorSpace.CS_sRGB);
switch (header.getBitsPerPixel()) {
case 1:
case 2:
case 4:
return ImageTypeSpecifiers.createFromIndexColorModel(header.getEGAPalette());
case 8:
// We may have IndexColorModel here for 1 channel images
if (channels == 1 && paletteInfo != PCX.PALETTEINFO_GRAY) {
IndexColorModel palette = getVGAPalette();
if (palette == null) {
throw new IIOException("Expected VGA palette not found");
}
return ImageTypeSpecifiers.createFromIndexColorModel(palette);
}
// PCX has 1 or 3 channels for 8 bit gray or 24 bit RGB, will be validated by
// ImageTypeSpecifier
return ImageTypeSpecifiers.createBanded(
cs,
createIndices(channels, 1),
createIndices(channels, 0),
DataBuffer.TYPE_BYTE,
false,
false);
case 24:
// Some sources says this is possible...
return ImageTypeSpecifiers.createFromBufferedImageType(BufferedImage.TYPE_3BYTE_BGR);
case 32:
// Some sources says this is possible...
return ImageTypeSpecifiers.createFromBufferedImageType(BufferedImage.TYPE_4BYTE_ABGR);
default:
throw new IIOException("Unknown number of bytes per pixel: " + header.getBitsPerPixel());
}
}
private ICC_Profile buildICCProfile(
final ImageInfo info, final ColorSpace colorSpace, final ByteArrayOutputStream iccStream)
throws IOException {
if (iccStream != null && iccStream.size() > 0) {
if (log.isDebugEnabled()) {
log.debug("Effective ICC profile size: " + iccStream.size());
}
final int alignment = 4;
final int padding = (alignment - iccStream.size() % alignment) % alignment;
if (padding != 0) {
try {
iccStream.write(new byte[padding]);
} catch (final IOException ioe) {
throw new IOException("Error while aligning ICC stream: " + ioe.getMessage());
}
}
ICC_Profile iccProfile = null;
try {
iccProfile = ColorProfileUtil.getICC_Profile(iccStream.toByteArray());
if (log.isDebugEnabled()) {
log.debug("JPEG has an ICC profile: " + iccProfile.toString());
}
} catch (final IllegalArgumentException iae) {
log.warn(
"An ICC profile is present in the JPEG file but it is invalid ("
+ iae.getMessage()
+ "). The color profile will be ignored. ("
+ info.getOriginalURI()
+ ")");
return null;
}
if (iccProfile.getNumComponents() != colorSpace.getNumComponents()) {
log.warn(
"The number of components of the ICC profile ("
+ iccProfile.getNumComponents()
+ ") doesn't match the image ("
+ colorSpace.getNumComponents()
+ "). Ignoring the ICC color profile.");
return null;
} else {
return iccProfile;
}
} else {
return null; // no ICC profile available
}
}
/**
* Returns the color space specified by the given color space constant.
*
* <p>For standard Java color spaces, the built-in instance is returned. Otherwise, color spaces
* are looked up from cache and created on demand.
*
* @param colorSpace the color space constant.
* @return the {@link ColorSpace} specified by the color space constant.
* @throws IllegalArgumentException if {@code colorSpace} is not one of the defined color spaces
* ({@code CS_*}).
* @see ColorSpace
* @see ColorSpaces#CS_ADOBE_RGB_1998
* @see ColorSpaces#CS_GENERIC_CMYK
*/
public static ColorSpace getColorSpace(int colorSpace) {
ICC_Profile profile;
switch (colorSpace) {
case CS_ADOBE_RGB_1998:
synchronized (ColorSpaces.class) {
profile = adobeRGB1998.get();
if (profile == null) {
// Try to get system default or user-defined profile
profile = readProfileFromPath(Profiles.getPath("ADOBE_RGB_1998"));
if (profile == null) {
// Fall back to the bundled ClayRGB1998 public domain Adobe RGB 1998 compatible
// profile,
// which is identical for all practical purposes
profile = readProfileFromClasspathResource("/profiles/ClayRGB1998.icc");
if (profile == null) {
// Should never happen given we now bundle fallback profile...
throw new IllegalStateException("Could not read AdobeRGB1998 profile");
}
}
adobeRGB1998 = new WeakReference<ICC_Profile>(profile);
}
}
return createColorSpace(profile);
case CS_GENERIC_CMYK:
synchronized (ColorSpaces.class) {
profile = genericCMYK.get();
if (profile == null) {
// Try to get system default or user-defined profile
profile = readProfileFromPath(Profiles.getPath("GENERIC_CMYK"));
if (profile == null) {
if (DEBUG) {
System.out.println("Using fallback profile");
}
// Fall back to generic CMYK ColorSpace, which is *insanely slow* using
// ColorConvertOp... :-P
return CMYKColorSpace.getInstance();
}
genericCMYK = new WeakReference<ICC_Profile>(profile);
}
}
return createColorSpace(profile);
default:
// Default cases for convenience
return ColorSpace.getInstance(colorSpace);
}
}
private static ICC_ColorSpace getInternalCS(final int profileCSType, final byte[] profileHeader) {
if (profileCSType == ColorSpace.TYPE_RGB && Arrays.equals(profileHeader, sRGB.header)) {
return (ICC_ColorSpace) ColorSpace.getInstance(ColorSpace.CS_sRGB);
} else if (profileCSType == ColorSpace.TYPE_GRAY && Arrays.equals(profileHeader, GRAY.header)) {
return (ICC_ColorSpace) ColorSpace.getInstance(ColorSpace.CS_GRAY);
} else if (profileCSType == ColorSpace.TYPE_3CLR && Arrays.equals(profileHeader, PYCC.header)) {
return (ICC_ColorSpace) ColorSpace.getInstance(ColorSpace.CS_PYCC);
} else if (profileCSType == ColorSpace.TYPE_RGB
&& Arrays.equals(profileHeader, LINEAR_RGB.header)) {
return (ICC_ColorSpace) ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB);
} else if (profileCSType == ColorSpace.TYPE_XYZ
&& Arrays.equals(profileHeader, CIEXYZ.header)) {
return (ICC_ColorSpace) ColorSpace.getInstance(ColorSpace.CS_CIEXYZ);
}
return null;
}
private static Color toSRGBColor(Color color) {
float[] comps;
ColorSpace sRGB = ColorSpace.getInstance(ColorSpace.CS_sRGB);
comps = color.getRGBColorComponents(null);
float[] allComps = color.getComponents(null);
float alpha = allComps[allComps.length - 1]; // Alpha is on last component
return new Color(sRGB, comps, alpha);
}
/** Create a new texture loader based on the game panel */
static {
glAlphaColorModel =
new ComponentColorModel(
ColorSpace.getInstance(ColorSpace.CS_sRGB),
new int[] {8, 8, 8, 8},
true,
false,
ComponentColorModel.TRANSLUCENT,
DataBuffer.TYPE_BYTE);
glColorModel =
new ComponentColorModel(
ColorSpace.getInstance(ColorSpace.CS_sRGB),
new int[] {8, 8, 8, 0},
false,
false,
ComponentColorModel.OPAQUE,
DataBuffer.TYPE_BYTE);
}
@Override
protected BufferedImage createImage(int width, int height) {
ColorSpace gsColorSpace = ColorSpace.getInstance(ColorSpace.CS_GRAY);
ComponentColorModel ccm =
new ComponentColorModel(
gsColorSpace, true, false, Transparency.TRANSLUCENT, DataBuffer.TYPE_BYTE);
WritableRaster raster = ccm.createCompatibleWritableRaster(width, height);
return new BufferedImage(ccm, raster, ccm.isAlphaPremultiplied(), null);
}
public float[] toCIEXYZ(float[] colorvalue) {
if (colorvalue[0] == 1) {
return prev1;
} else if (colorvalue[0] == 0) {
return prev0;
} else {
// System.out.println("MaskColorSpace converting: "+colorvalue[0]);
return cie.fromRGB(toRGB(colorvalue));
}
}
private ColorModel getColorModel() {
return new DirectColorModel(
ColorSpace.getInstance(ColorSpace.CS_sRGB),
32,
0x00ff0000,
0x0000ff00,
0x000000ff,
0xff000000,
true,
DataBuffer.TYPE_INT);
}
private static ImageIcon makeGrayImageIcon1(Image img) {
BufferedImage source =
new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_ARGB);
Graphics g = source.createGraphics();
g.drawImage(img, 0, 0, null);
g.dispose();
ColorConvertOp colorConvert =
new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
BufferedImage destination = colorConvert.filter(source, null);
return new ImageIcon(destination);
}
/**
* 彩色转为黑白
*
* @param srcImageFile 源图像地址
* @param destImageFile 目标图像地址
*/
public static final void gray(String srcImageFile, String destImageFile) {
try {
BufferedImage src = ImageIO.read(new File(srcImageFile));
ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_GRAY);
ColorConvertOp op = new ColorConvertOp(cs, null);
src = op.filter(src, null);
ImageIO.write(src, "JPEG", new File(destImageFile));
} catch (IOException e) {
e.printStackTrace();
}
}