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(hints.KEY_INTERPOLATION);
boolean filter =
(val == null
? (hints.get(hints.KEY_RENDERING) == hints.VALUE_RENDER_QUALITY)
: (val != hints.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);
}
public Byte(ByteInterleavedRaster srcRas, ColorModel cm, AffineTransform xform, int maxw) {
super(cm, xform, srcRas.getWidth(), srcRas.getHeight(), maxw);
this.srcRas = srcRas;
this.inData = srcRas.getDataStorage();
this.inSpan = srcRas.getScanlineStride();
this.inOff = srcRas.getDataOffset(0);
}
public WritableRaster makeRaster(int w, int h) {
WritableRaster ras = makeByteRaster(srcRas, w, h);
ByteInterleavedRaster biRas = (ByteInterleavedRaster) ras;
outData = biRas.getDataStorage();
outSpan = biRas.getScanlineStride();
outOff = biRas.getDataOffset(0);
return ras;
}
private static void renderBinary(
GrayU8 binaryImage, boolean invert, ByteInterleavedRaster raster) {
int rasterIndex = 0;
byte data[] = raster.getDataStorage();
int w = binaryImage.getWidth();
int h = binaryImage.getHeight();
int numBands = raster.getNumBands();
if (numBands == 1) {
if (invert) {
for (int y = 0; y < h; y++) {
int indexSrc = binaryImage.startIndex + y * binaryImage.stride;
for (int x = 0; x < w; x++) {
data[rasterIndex++] = (byte) ((1 - binaryImage.data[indexSrc++]) * 255);
}
}
} else {
for (int y = 0; y < h; y++) {
int indexSrc = binaryImage.startIndex + y * binaryImage.stride;
for (int x = 0; x < w; x++) {
data[rasterIndex++] = (byte) (binaryImage.data[indexSrc++] * 255);
}
}
}
} else {
if (invert) {
for (int y = 0; y < h; y++) {
int indexSrc = binaryImage.startIndex + y * binaryImage.stride;
for (int x = 0; x < w; x++) {
byte val = (byte) ((1 - binaryImage.data[indexSrc++]) * 255);
for (int i = 0; i < numBands; i++) {
data[rasterIndex++] = val;
}
}
}
} else {
for (int y = 0; y < h; y++) {
int indexSrc = binaryImage.startIndex + y * binaryImage.stride;
for (int x = 0; x < w; x++) {
byte val = (byte) (binaryImage.data[indexSrc++] * 255);
for (int i = 0; i < numBands; i++) {
data[rasterIndex++] = val;
}
}
}
}
}
}
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);
}
/**
* Checks to see if the BufferedImage has the same intensity values as the ImageUInt8
*
* @param imgA BufferedImage
* @param imgB ImageUInt8
*/
public static void checkEquals(BufferedImage imgA, ImageInt16 imgB) {
if (imgA.getRaster() instanceof ByteInterleavedRaster
&& imgA.getType() != BufferedImage.TYPE_BYTE_INDEXED) {
ByteInterleavedRaster raster = (ByteInterleavedRaster) imgA.getRaster();
if (raster.getNumBands() == 1) {
int strideA = raster.getScanlineStride();
int offsetA = raster.getDataOffset(0) - raster.getNumBands() + 1;
// handle a special case where the RGB conversion is screwed
for (int i = 0; i < imgA.getHeight(); i++) {
for (int j = 0; j < imgA.getWidth(); j++) {
int valB = imgB.get(j, i);
int valA = raster.getDataStorage()[offsetA + i * strideA + j];
if (!imgB.getTypeInfo().isSigned()) valA &= 0xFFFF;
if (valA != valB)
throw new RuntimeException("Images are not equal: " + valA + " " + valB);
}
}
return;
}
} else if (imgA.getRaster() instanceof ShortInterleavedRaster) {
ShortInterleavedRaster raster = (ShortInterleavedRaster) imgA.getRaster();
if (raster.getNumBands() == 1) {
int strideA = raster.getScanlineStride();
int offsetA = raster.getDataOffset(0) - raster.getNumBands() + 1;
// handle a special case where the RGB conversion is screwed
for (int i = 0; i < imgA.getHeight(); i++) {
for (int j = 0; j < imgA.getWidth(); j++) {
int valB = imgB.get(j, i);
int valA = raster.getDataStorage()[offsetA + i * strideA + j];
if (!imgB.getTypeInfo().isSigned()) valA &= 0xFFFF;
if (valA != valB)
throw new RuntimeException("Images are not equal: " + valA + " " + valB);
}
}
}
} else {
for (int y = 0; y < imgA.getHeight(); y++) {
for (int x = 0; x < imgA.getWidth(); x++) {
int rgb = imgA.getRGB(x, y);
int gray = ((((rgb >>> 16) & 0xFF) + ((rgb >>> 8) & 0xFF) + (rgb & 0xFF)) / 3);
int grayB = imgB.get(x, y);
if (!imgB.getTypeInfo().isSigned()) gray &= 0xFFFF;
if (Math.abs(gray - grayB) != 0) {
throw new RuntimeException(
"images are not equal: (" + x + " , " + y + ") A = " + gray + " B = " + grayB);
}
}
}
}
}
/**
* Checks to see if the BufferedImage has the same intensity values as the ImageUInt8
*
* @param imgA BufferedImage
* @param imgB ImageUInt8
*/
public static void checkEquals(BufferedImage imgA, InterleavedU8 imgB) {
if (imgA.getRaster() instanceof ByteInterleavedRaster) {
ByteInterleavedRaster raster = (ByteInterleavedRaster) imgA.getRaster();
if (raster.getNumBands() == 1) {
// handle a special case where the RGB conversion is screwed
for (int i = 0; i < imgA.getHeight(); i++) {
for (int j = 0; j < imgA.getWidth(); j++) {
int valB = imgB.getBand(j, i, 0);
int valA = raster.getDataStorage()[i * imgA.getWidth() + j] & 0xFF;
if (valA != valB) throw new RuntimeException("Images are not equal");
}
}
return;
}
}
for (int y = 0; y < imgA.getHeight(); y++) {
for (int x = 0; x < imgA.getWidth(); x++) {
int rgb = imgA.getRGB(x, y);
int r = (rgb >>> 16) & 0xFF;
int g = (rgb >>> 8) & 0xFF;
int b = rgb & 0xFF;
if (Math.abs(b - imgB.getBand(x, y, 0) & 0xFF) != 0)
throw new RuntimeException("images are not equal: ");
if (Math.abs(g - imgB.getBand(x, y, 1) & 0xFF) != 0)
throw new RuntimeException("images are not equal: ");
if (Math.abs(r - imgB.getBand(x, y, 2) & 0xFF) != 0)
throw new RuntimeException("images are not equal: ");
}
}
}
/**
* Checks to see if the BufferedImage has the same intensity values as the ImageUInt8
*
* @param imgA BufferedImage
* @param imgB ImageUInt8
*/
public static void checkEquals(BufferedImage imgA, ImageFloat32 imgB, float tol) {
if (imgA.getRaster() instanceof ByteInterleavedRaster
&& imgA.getType() != BufferedImage.TYPE_BYTE_INDEXED) {
ByteInterleavedRaster raster = (ByteInterleavedRaster) imgA.getRaster();
if (raster.getNumBands() == 1) {
int strideA = raster.getScanlineStride();
int offsetA = raster.getDataOffset(0) - raster.getNumBands() + 1;
// handle a special case where the RGB conversion is screwed
for (int i = 0; i < imgA.getHeight(); i++) {
for (int j = 0; j < imgA.getWidth(); j++) {
float valB = imgB.get(j, i);
int valA = raster.getDataStorage()[offsetA + i * strideA + j];
valA &= 0xFF;
if (Math.abs(valA - valB) > tol)
throw new RuntimeException("Images are not equal: A = " + valA + " B = " + valB);
}
}
return;
}
}
for (int y = 0; y < imgA.getHeight(); y++) {
for (int x = 0; x < imgA.getWidth(); x++) {
int rgb = imgA.getRGB(x, y);
float gray = (((rgb >>> 16) & 0xFF) + ((rgb >>> 8) & 0xFF) + (rgb & 0xFF)) / 3.0f;
float grayB = imgB.get(x, y);
if (Math.abs(gray - grayB) > tol) {
throw new RuntimeException("images are not equal: A = " + gray + " B = " + grayB);
}
}
}
}
public static void checkEquals(
BufferedImage imgA, MultiSpectral imgB, boolean boofcvBandOrder, float tol) {
if (imgA.getRaster() instanceof ByteInterleavedRaster
&& imgA.getType() != BufferedImage.TYPE_BYTE_INDEXED) {
ByteInterleavedRaster raster = (ByteInterleavedRaster) imgA.getRaster();
if (raster.getNumBands() == 1) {
GImageSingleBand band = FactoryGImageSingleBand.wrap(imgB.getBand(0));
int strideA = raster.getScanlineStride();
int offsetA = raster.getDataOffset(0) - raster.getPixelStride() + 1;
// handle a special case where the RGB conversion is screwed
for (int i = 0; i < imgA.getHeight(); i++) {
for (int j = 0; j < imgA.getWidth(); j++) {
double valB = band.get(j, i).doubleValue();
int valA = raster.getDataStorage()[offsetA + i * strideA + j];
valA &= 0xFF;
if (Math.abs(valA - valB) > tol)
throw new RuntimeException("Images are not equal: A = " + valA + " B = " + valB);
}
}
return;
}
}
int bandOrder[];
if (boofcvBandOrder) {
if (imgB.getNumBands() == 4) {
bandOrder = new int[] {1, 2, 3, 0};
} else {
bandOrder = new int[] {0, 1, 2};
}
} else {
if (imgA.getType() == BufferedImage.TYPE_INT_RGB) {
bandOrder = new int[] {0, 1, 2};
} else if (imgA.getType() == BufferedImage.TYPE_INT_BGR
|| imgA.getType() == BufferedImage.TYPE_3BYTE_BGR) {
bandOrder = new int[] {2, 1, 0};
} else if (imgA.getType() == BufferedImage.TYPE_4BYTE_ABGR) {
bandOrder = new int[] {0, 3, 2, 1};
} else if (imgA.getType() == BufferedImage.TYPE_INT_ARGB) {
bandOrder = new int[] {0, 1, 2, 3};
} else {
bandOrder = new int[] {0, 1, 2};
}
}
int expected[] = new int[4];
for (int y = 0; y < imgA.getHeight(); y++) {
for (int x = 0; x < imgA.getWidth(); x++) {
// getRGB() automatically converts the band order to ARGB
int rgb = imgA.getRGB(x, y);
expected[0] = ((rgb >>> 24) & 0xFF); // alpha
expected[1] = ((rgb >>> 16) & 0xFF); // red
expected[2] = ((rgb >>> 8) & 0xFF); // green
expected[3] = (rgb & 0xFF); // blue
if (imgB.getNumBands() == 4) {
for (int i = 0; i < 4; i++) {
double found = GeneralizedImageOps.get(imgB.getBand(bandOrder[i]), x, y);
if (Math.abs(Math.exp(expected[i] - found)) > tol) {
for (int j = 0; j < 4; j++) {
System.out.println(
expected[j] + " " + GeneralizedImageOps.get(imgB.getBand(bandOrder[j]), x, y));
}
throw new RuntimeException(
"Images are not equal: band - " + i + " type " + imgA.getType());
}
}
} else if (imgB.getNumBands() == 3) {
for (int i = 0; i < 3; i++) {
double found = GeneralizedImageOps.get(imgB.getBand(bandOrder[i]), x, y);
if (Math.abs(expected[i + 1] - found) > tol) {
for (int j = 0; j < 3; j++) {
System.out.println(
expected[j + 1]
+ " "
+ GeneralizedImageOps.get(imgB.getBand(bandOrder[j]), x, y));
}
throw new RuntimeException(
"Images are not equal: band - " + i + " type " + imgA.getType());
}
}
} else {
throw new RuntimeException("Unexpectd number of bands");
}
}
}
}
public static void checkEquals(WritableRaster imgA, MultiSpectral imgB, float tol) {
if (imgA.getNumBands() != imgB.getNumBands()) {
throw new RuntimeException("Number of bands not equals");
}
if (imgA instanceof ByteInterleavedRaster) {
ByteInterleavedRaster raster = (ByteInterleavedRaster) imgA;
byte dataA[] = raster.getDataStorage();
int strideA = raster.getScanlineStride();
int offsetA = raster.getDataOffset(0) - raster.getPixelStride() + 1;
// handle a special case where the RGB conversion is screwed
for (int y = 0; y < imgA.getHeight(); y++) {
int indexA = offsetA + strideA * y;
for (int x = 0; x < imgA.getWidth(); x++) {
for (int k = 0; k < imgB.getNumBands(); k++) {
int valueA = dataA[indexA++] & 0xFF;
double valueB = GeneralizedImageOps.get(imgB.getBand(k), x, y);
if (Math.abs(valueA - valueB) > tol)
throw new RuntimeException("Images are not equal: A = " + valueA + " B = " + valueB);
}
}
}
} else if (imgA instanceof IntegerInterleavedRaster) {
IntegerInterleavedRaster raster = (IntegerInterleavedRaster) imgA;
int dataA[] = raster.getDataStorage();
int strideA = raster.getScanlineStride();
int offsetA = raster.getDataOffset(0) - raster.getPixelStride() + 1;
// handle a special case where the RGB conversion is screwed
for (int y = 0; y < imgA.getHeight(); y++) {
int indexA = offsetA + strideA * y;
for (int x = 0; x < imgA.getWidth(); x++) {
int valueA = dataA[indexA++];
if (imgB.getNumBands() == 4) {
int found0 = (valueA >> 24) & 0xFF;
int found1 = (valueA >> 16) & 0xFF;
int found2 = (valueA >> 8) & 0xFF;
int found3 = valueA & 0xFF;
double expected0 = GeneralizedImageOps.get(imgB.getBand(0), x, y);
double expected1 = GeneralizedImageOps.get(imgB.getBand(1), x, y);
double expected2 = GeneralizedImageOps.get(imgB.getBand(2), x, y);
double expected3 = GeneralizedImageOps.get(imgB.getBand(3), x, y);
if (Math.abs(found0 - expected0) > tol)
throw new RuntimeException("Images are not equal");
if (Math.abs(found1 - expected1) > tol)
throw new RuntimeException("Images are not equal");
if (Math.abs(found2 - expected2) > tol)
throw new RuntimeException("Images are not equal");
if (Math.abs(found3 - expected3) > tol)
throw new RuntimeException("Images are not equal");
} else if (imgB.getNumBands() == 3) {
int found0 = (valueA >> 16) & 0xFF;
int found1 = (valueA >> 8) & 0xFF;
int found2 = valueA & 0xFF;
double expected0 = GeneralizedImageOps.get(imgB.getBand(0), x, y);
double expected1 = GeneralizedImageOps.get(imgB.getBand(1), x, y);
double expected2 = GeneralizedImageOps.get(imgB.getBand(2), x, y);
if (Math.abs(found0 - expected0) > tol)
throw new RuntimeException("Images are not equal");
if (Math.abs(found1 - expected1) > tol)
throw new RuntimeException("Images are not equal");
if (Math.abs(found2 - expected2) > tol)
throw new RuntimeException("Images are not equal");
} else {
throw new RuntimeException("Unexpectd number of bands");
}
}
}
} else {
throw new RuntimeException("Add support for raster type " + imgA.getClass().getSimpleName());
}
}
public void doTransform(ByteInterleavedRaster input, ByteInterleavedRaster output) {
if (cmsTransform != null) {
ByteInterleavedRaster ri = normalizeRaster(input);
ByteInterleavedRaster ro;
int outBands = output.getNumBands();
if (!input.getBounds().equals(output.getBounds())) {
int[] offsets = outBands == 1 ? new int[] {0} : new int[] {0, 1, 2};
SampleModel sm =
new PixelInterleavedSampleModel(
DataBuffer.TYPE_BYTE,
ri.getWidth(),
ri.getHeight(),
outBands,
outBands * ri.getWidth(),
offsets);
ro = new ByteInterleavedRaster(sm, new Point(ri.getMinX(), ri.getMinY()));
} else ro = normalizeRaster(output);
int pixels =
outBands == 1 ? ro.getDataStorage().length : ro.getDataStorage().length / outBands;
cmsDoTransform(cmsTransform.handle, ri.getDataStorage(), ro.getDataStorage(), pixels);
if (ro != output) Functions.copyData(output, ro);
}
}
private static ByteInterleavedRaster normalizeRaster(ByteInterleavedRaster raster) {
boolean reallocBuffer = false;
int scanLineStride = raster.getScanlineStride();
int dataOffsets[] = raster.getDataOffsets();
for (int i = 0; i < dataOffsets.length; i++)
if (dataOffsets[i] != i) {
reallocBuffer = true;
break;
}
int bands = raster.getNumBands();
if (!reallocBuffer
&& (raster.getPixelStride() != bands || scanLineStride != raster.getWidth() * bands))
reallocBuffer = true;
if (reallocBuffer) {
PixelInterleavedSampleModel sm = (PixelInterleavedSampleModel) raster.getSampleModel();
PixelInterleavedSampleModel newSM =
new PixelInterleavedSampleModel(
sm.getDataType(),
raster.getWidth(),
raster.getHeight(),
bands,
bands * raster.getWidth(),
bands == 1 ? new int[] {0} : new int[] {0, 1, 2});
ByteInterleavedRaster newRaster =
new ByteInterleavedRaster(newSM, new Point(raster.getMinX(), raster.getMinY()));
Functions.copyData(newRaster, raster);
raster = newRaster;
}
return raster;
}