public synchronized RenderedImage runDCRaw(dcrawMode mode, boolean secondaryPixels)
throws IOException, UnknownImageTypeException, BadImageFileException {
if (!m_decodable || (mode == dcrawMode.full && m_rawColors != 3))
throw new UnknownImageTypeException("Unsuported Camera");
RenderedImage result = null;
File of = null;
try {
if (mode == dcrawMode.preview) {
if (m_thumbWidth >= 1024 && m_thumbHeight >= 768) {
mode = dcrawMode.thumb;
}
}
long t1 = System.currentTimeMillis();
of = File.createTempFile("LZRAWTMP", ".ppm");
boolean four_colors = false;
final String makeModel = m_make + ' ' + m_model;
for (String s : four_color_cameras)
if (s.equalsIgnoreCase(makeModel)) {
four_colors = true;
break;
}
if (secondaryPixels) runDCRawInfo(true);
String cmd[];
switch (mode) {
case full:
if (four_colors)
cmd =
new String[] {
DCRAW_PATH,
"-F",
of.getAbsolutePath(),
"-v",
"-f",
"-H",
"1",
"-t",
"0",
"-o",
"0",
"-4",
m_fileName
};
else if (m_filters == -1 || (m_make != null && m_make.equalsIgnoreCase("SIGMA")))
cmd =
new String[] {
DCRAW_PATH,
"-F",
of.getAbsolutePath(),
"-v",
"-H",
"1",
"-t",
"0",
"-o",
"0",
"-4",
m_fileName
};
else if (secondaryPixels)
cmd =
new String[] {
DCRAW_PATH,
"-F",
of.getAbsolutePath(),
"-v",
"-j",
"-H",
"1",
"-t",
"0",
"-s",
"1",
"-d",
"-4",
m_fileName
};
else
cmd =
new String[] {
DCRAW_PATH,
"-F",
of.getAbsolutePath(),
"-v",
"-j",
"-H",
"1",
"-t",
"0",
"-d",
"-4",
m_fileName
};
break;
case preview:
cmd =
new String[] {
DCRAW_PATH,
"-F",
of.getAbsolutePath(),
"-v",
"-t",
"0",
"-o",
"1",
"-w",
"-h",
m_fileName
};
break;
case thumb:
cmd = new String[] {DCRAW_PATH, "-F", of.getAbsolutePath(), "-v", "-e", m_fileName};
break;
default:
throw new IllegalArgumentException("Unknown mode " + mode);
}
String ofName = null;
synchronized (DCRaw.class) {
Process p = null;
InputStream dcrawStdErr;
InputStream dcrawStdOut;
if (ForkDaemon.INSTANCE != null) {
ForkDaemon.INSTANCE.invoke(cmd);
dcrawStdErr = ForkDaemon.INSTANCE.getStdErr();
dcrawStdOut = ForkDaemon.INSTANCE.getStdOut();
} else {
p = Runtime.getRuntime().exec(cmd);
dcrawStdErr = new BufferedInputStream(p.getErrorStream());
dcrawStdOut = p.getInputStream();
}
String line, args;
// output expected on stderr
while ((line = readln(dcrawStdErr)) != null) {
// System.out.println(line);
if ((args = match(line, DCRAW_OUTPUT)) != null)
ofName = args.substring(0, args.indexOf(" ..."));
}
// Flush stdout just in case...
while ((line = readln(dcrawStdOut)) != null) ; // System.out.println(line);
if (p != null) {
dcrawStdErr.close();
try {
p.waitFor();
} catch (InterruptedException e) {
e.printStackTrace();
}
m_error = p.exitValue();
p.destroy();
} else m_error = 0;
}
System.out.println("dcraw value: " + m_error);
if (m_error > 0) {
of.delete();
throw new BadImageFileException(of);
}
if (!ofName.equals(of.getPath())) {
of.delete();
of = new File(ofName);
}
if (of.getName().endsWith(".jpg") || of.getName().endsWith(".tiff")) {
if (of.getName().endsWith(".jpg")) {
try {
LCJPEGReader jpegReader = new LCJPEGReader(of.getPath());
result = jpegReader.getImage();
} catch (Exception e) {
e.printStackTrace();
}
} else {
try {
LCTIFFReader tiffReader = new LCTIFFReader(of.getPath());
result = tiffReader.getImage(null);
} catch (Exception e) {
e.printStackTrace();
}
}
long t2 = System.currentTimeMillis();
int totalData =
result.getWidth()
* result.getHeight()
* result.getColorModel().getNumColorComponents()
* (result.getColorModel().getTransferType() == DataBuffer.TYPE_BYTE ? 1 : 2);
System.out.println("Read " + totalData + " bytes in " + (t2 - t1) + "ms");
} else {
ImageData imageData;
try {
imageData = readPPM(of);
} catch (Exception e) {
e.printStackTrace();
throw new BadImageFileException(of, e);
}
// do not change the initial image geometry
// m_width = Math.min(m_width, imageData.width);
// m_height = Math.min(m_height, imageData.height);
long t2 = System.currentTimeMillis();
int totalData =
imageData.width
* imageData.height
* imageData.bands
* (imageData.dataType == DataBuffer.TYPE_BYTE ? 1 : 2);
System.out.println("Read " + totalData + " bytes in " + (t2 - t1) + "ms");
final ColorModel cm;
if (mode == dcrawMode.full) {
if (imageData.bands == 1) {
cm =
new ComponentColorModel(
ColorSpace.getInstance(ColorSpace.CS_GRAY),
false,
false,
Transparency.OPAQUE,
DataBuffer.TYPE_USHORT);
} else {
cm = JAIContext.colorModel_linear16;
}
} else {
if (imageData.bands == 3)
cm =
new ComponentColorModel(
JAIContext.sRGBColorSpace,
false,
false,
Transparency.OPAQUE,
DataBuffer.TYPE_BYTE);
else if (imageData.bands == 4)
cm =
new ComponentColorModel(
JAIContext.CMYKColorSpace,
false,
false,
Transparency.OPAQUE,
imageData.dataType);
else throw new UnknownImageTypeException("Weird number of bands: " + imageData.bands);
}
final DataBuffer buf =
imageData.dataType == DataBuffer.TYPE_BYTE
? new DataBufferByte(
(byte[]) imageData.data, imageData.bands * imageData.width * imageData.height)
: new DataBufferUShort(
(short[]) imageData.data, imageData.bands * imageData.width * imageData.height);
final WritableRaster raster =
Raster.createInterleavedRaster(
buf,
imageData.width,
imageData.height,
imageData.bands * imageData.width,
imageData.bands,
imageData.bands == 3 ? new int[] {0, 1, 2} : new int[] {0},
null);
result = new BufferedImage(cm, raster, false, null);
}
} catch (IOException e) {
if (of != null) of.delete();
throw e;
} finally {
if (of != null) of.delete();
}
return result;
}
private static ImageData readPPM(File file) throws IOException, BadImageFileException {
FileInputStream s = new FileInputStream(file);
ImageData imageData;
try {
String S1 = readln(s);
int width;
int height;
int bands;
int dataType;
if (S1.equals("P5") || S1.equals("P6")) {
bands = S1.equals("P5") ? 1 : 3;
String S2 = readln(s);
String S3 = readln(s);
String dimensions[] = S2.split("\\s");
width = Integer.parseInt(dimensions[0]);
height = Integer.parseInt(dimensions[1]);
dataType = S3.equals("255") ? DataBuffer.TYPE_BYTE : DataBuffer.TYPE_USHORT;
imageData = new ImageData(width, height, bands, dataType);
} else if (S1.equals("P7")) {
String WIDTH = "WIDTH ";
String HEIGHT = "HEIGHT ";
String DEPTH = "DEPTH ";
String MAXVAL = "MAXVAL ";
// String TUPLTYPE = "TUPLTYPE ";
// String ENDHDR = "ENDHDR";
String SWIDTH = readln(s);
width = Integer.parseInt(SWIDTH.substring(WIDTH.length()));
String SHEIGHT = readln(s);
height = Integer.parseInt(SHEIGHT.substring(HEIGHT.length()));
String SDEPTH = readln(s);
bands = Integer.parseInt(SDEPTH.substring(DEPTH.length()));
String SMAXVAL = readln(s);
dataType =
SMAXVAL.substring(MAXVAL.length()).equals("65535")
? DataBuffer.TYPE_USHORT
: DataBuffer.TYPE_BYTE;
// String STUPLTYPE = readln(s);
// String SENDHDR = readln(s);
imageData = new ImageData(width, height, bands, dataType);
} else return null;
int totalData = width * height * bands * (dataType == DataBuffer.TYPE_BYTE ? 1 : 2);
FileChannel c = s.getChannel();
if (file.length() != totalData + c.position()) {
c.close();
throw new BadImageFileException(file);
}
ByteBuffer bb = c.map(FileChannel.MapMode.READ_ONLY, c.position(), totalData);
if (dataType == DataBuffer.TYPE_USHORT) {
// bb.order(ByteOrder.BIG_ENDIAN);
bb.order(ByteOrder.nativeOrder());
bb.asShortBuffer().get((short[]) imageData.data);
// Darty hack to prevent crash on Arch Linux (issue #125)
if (ByteOrder.nativeOrder() != ByteOrder.BIG_ENDIAN)
for (int i = 0; i < ((short[]) imageData.data).length; ++i)
((short[]) imageData.data)[i] = Short.reverseBytes(((short[]) imageData.data)[i]);
} else bb.get((byte[]) imageData.data);
if (bb instanceof DirectBuffer) ((DirectBuffer) bb).cleaner().clean();
c.close();
} catch (Exception e) {
e.printStackTrace();
s.close();
throw new BadImageFileException(file, e);
} finally {
s.close();
}
return imageData;
}