J2KAPI(j2k_Reader*) j2k_Reader_open(const char *fname, nrt_Error *error)
{
j2k_Reader *reader = NULL;
nrt_IOInterface *io = NULL;
if (!fname)
{
nrt_Error_init(error, "NULL filename", NRT_CTXT,
NRT_ERR_INVALID_OBJECT);
goto CATCH_ERROR;
}
if (!(io = nrt_IOHandleAdapter_open(fname, NRT_ACCESS_READONLY,
NRT_OPEN_EXISTING, error)))
goto CATCH_ERROR;
if (!(reader = j2k_Reader_openIO(io, error)))
goto CATCH_ERROR;
((OpenJPEGReaderImpl*) reader->data)->ownIO = 1;
return reader;
CATCH_ERROR:
{
if (io)
nrt_IOInterface_destruct(&io);
if (reader)
j2k_Reader_destruct(&reader);
return NULL;
}
}
OpenJPEGWriter_destruct(J2K_USER_DATA * data)
{
if (data)
{
OpenJPEGWriterImpl* const impl = (OpenJPEGWriterImpl*) data;
OpenJPEG_cleanup(&impl->stream, &impl->codec, &impl->image);
nrt_IOInterface_destruct(&impl->compressed);
J2K_FREE(data);
}
}
NITFPRIV(void) FileSource_destruct(NITF_DATA * data)
{
nitf_Error error;
if (data)
{
IOSourceImpl* const source = (IOSourceImpl*)data;
if (source->io)
{
nrt_IOInterface_close(source->io, &error);
nrt_IOInterface_destruct(&source->io);
source->io = NULL;
}
NITF_FREE(data);
}
}
NITFPRIV(void) FileSource_destruct(NITF_DATA * data)
{
nitf_Error error;
if (data)
{
FileSourceImpl *fileSource = (FileSourceImpl *) data;
if (fileSource->io)
{
nrt_IOInterface_close(fileSource->io, &error);
nrt_IOInterface_destruct(&fileSource->io);
fileSource->io = NULL;
}
NITF_FREE(data);
}
}
OpenJPEGReader_destruct(J2K_USER_DATA * data)
{
if (data)
{
OpenJPEGReaderImpl* const impl = (OpenJPEGReaderImpl*) data;
if (impl->io && impl->ownIO)
{
nrt_IOInterface_destruct(&impl->io);
impl->io = NULL;
}
if(impl->container)
{
j2k_Container_destruct(&impl->container);
impl->container = NULL;
}
J2K_FREE(data);
}
}
J2K_BOOL readFile(const char* filename, char **buf, nrt_Uint64 *bufSize,
nrt_Error *error)
{
J2K_BOOL rc = J2K_TRUE;
nrt_IOInterface *io = NULL;
if (!(io = nrt_IOHandleAdapter_open(filename, NRT_ACCESS_READONLY,
NRT_OPEN_EXISTING, error)))
goto CATCH_ERROR;
*bufSize = nrt_IOInterface_getSize(io, error);
if (!(*buf = (char*)J2K_MALLOC(*bufSize)))
{
nrt_Error_init(error, NRT_STRERROR(NRT_ERRNO), NRT_CTXT, NRT_ERR_MEMORY);
goto CATCH_ERROR;
}
if (!nrt_IOInterface_read(io, *buf, *bufSize, error))
{
goto CATCH_ERROR;
}
goto CLEANUP;
CATCH_ERROR:
{
rc = J2K_FALSE;
if (*buf)
J2K_FREE(*buf);
*buf = NULL;
}
CLEANUP:
{
if (io)
nrt_IOInterface_destruct(&io);
}
return rc;
}
int main(int argc, char **argv)
{
int rc = 0;
int argIt = 0, i = 0, num = 0, dump = 0;
char *fname = NULL;
nrt_Error error;
nrt_IOInterface *io = NULL;
nitf_Reader *reader = NULL;
nitf_Record *record = NULL;
nrt_Uint8 *buf = NULL;
for (argIt = 1; argIt < argc; ++argIt)
{
if (strcmp(argv[argIt], "--dump") == 0)
dump = 1;
else if (!fname)
{
fname = argv[argIt];
}
}
if (!fname)
{
nrt_Error_init(&error, "Usage: [--x0 --y0 --x1 --y1] <j2k-file>",
NRT_CTXT, NRT_ERR_INVALID_OBJECT);
goto CATCH_ERROR;
}
if (nitf_Reader_getNITFVersion(fname) == NITF_VER_UNKNOWN)
{
nrt_Error_init(&error, "This file does not appear to be a valid NITF",
NRT_CTXT, NRT_ERR_INVALID_OBJECT);
goto CATCH_ERROR;
}
if (!(io = nrt_IOHandleAdapter_open(fname, NRT_ACCESS_READONLY, NRT_OPEN_EXISTING,
&error)))
goto CATCH_ERROR;
if (!(reader = nitf_Reader_construct(&error)))
goto CATCH_ERROR;
if (!(record = nitf_Reader_readIO(reader, io, &error)))
goto CATCH_ERROR;
num = nitf_Record_getNumImages(record, &error);
if (num > 0)
{
nitf_ListIterator iter = nitf_List_begin(record->images);
nitf_ListIterator end = nitf_List_end(record->images);
for (i = 0; nitf_ListIterator_notEqualTo(&iter, &end); ++i)
{
nitf_ImageSegment *segment =
(nitf_ImageSegment *) nitf_ListIterator_get(&iter);
nitf_ImageSubheader *subheader = segment->subheader;
if (strcmp(subheader->imageCompression->raw, "C8") == 0)
{
j2k_Reader *j2kReader = NULL;
j2k_Container *container = NULL;
nrt_Uint32 cmpIt, nComponents;
printf("Image %d contains J2K compressed data\n", (i + 1));
printf("Offset: %d\n", segment->imageOffset);
if (!nrt_IOInterface_seek(io, segment->imageOffset,
NRT_SEEK_SET, &error))
goto CATCH_ERROR;
if (!(j2kReader = j2k_Reader_openIO(io, &error)))
goto CATCH_ERROR;
if (!(container = j2k_Reader_getContainer(j2kReader, &error)))
goto CATCH_ERROR;
printf("grid width:\t%d\n", j2k_Container_getGridWidth(container, &error));
printf("grid height:\t%d\n", j2k_Container_getGridHeight(container, &error));
printf("tile width:\t%d\n", j2k_Container_getTileWidth(container, &error));
printf("tile height:\t%d\n", j2k_Container_getTileHeight(container, &error));
printf("x tiles:\t%d\n", j2k_Container_getTilesX(container, &error));
printf("y tiles:\t%d\n", j2k_Container_getTilesY(container, &error));
printf("image type:\t%d\n", j2k_Container_getImageType(container, &error));
nComponents = j2k_Container_getNumComponents(container, &error);
printf("components:\t%d\n", nComponents);
for(cmpIt = 0; cmpIt < nComponents; ++cmpIt)
{
j2k_Component* c = j2k_Container_getComponent(container, cmpIt, &error);
printf("===component %d===\n", (cmpIt + 1));
printf("width:\t\t%d\n", j2k_Component_getWidth(c, &error));
printf("height:\t\t%d\n", j2k_Component_getHeight(c, &error));
printf("precision:\t%d\n", j2k_Component_getPrecision(c, &error));
printf("x0:\t\t%d\n", j2k_Component_getOffsetX(c, &error));
printf("y0:\t\t%d\n", j2k_Component_getOffsetY(c, &error));
printf("x separation:\t%d\n", j2k_Component_getSeparationX(c, &error));
printf("y separation:\t%d\n", j2k_Component_getSeparationY(c, &error));
printf("signed:\t\t%d\n", j2k_Component_isSigned(c, &error));
}
if (dump)
{
char namePrefix[NRT_MAX_PATH];
nrt_Uint32 width, height;
nrt_Uint64 bufSize;
if (buf)
{
NRT_FREE(buf);
buf = NULL;
}
width = j2k_Container_getWidth(container, &error);
height = j2k_Container_getWidth(container, &error);
if ((bufSize = j2k_Reader_readRegion(j2kReader, 0, 0,
width, height,
&buf, &error)) == 0)
{
goto CATCH_ERROR;
}
NRT_SNPRINTF(namePrefix, NRT_MAX_PATH, "image-%d", (i + 1));
if (!writeFile(0, 0, width, height, buf, bufSize,
namePrefix, &error))
{
goto CATCH_ERROR;
}
}
}
nitf_ListIterator_increment(&iter);
}
}
goto CLEANUP;
CATCH_ERROR:
{
nrt_Error_print(&error, stdout, "Exiting...");
rc = 1;
}
CLEANUP:
{
if (reader)
nitf_Reader_destruct(&reader);
if (record)
nitf_Record_destruct(&record);
if (io)
nrt_IOInterface_destruct(&io);
}
return rc;
}
int main(int argc, char **argv)
{
int rc = 0;
int argIt = 0;
char *inName = NULL, *outName = NULL;
nrt_Error error;
j2k_Component *component = NULL;
j2k_Container *container = NULL;
j2k_Writer *writer = NULL;
j2k_WriterOptions options;
char *buf = NULL;
nrt_Uint64 bufSize;
nrt_IOInterface *outIO = NULL;
nrt_Uint32 width, height, precision, tileWidth, tileHeight;
for (argIt = 1; argIt < argc; ++argIt)
{
if (!inName)
{
inName = argv[argIt];
}
else if (!outName)
{
outName = argv[argIt];
}
}
/* hardcoded for now... */
width = 128;
height = 128;
precision = 8;
tileWidth = width;
tileHeight = height;
if (!inName || !outName)
{
nrt_Error_initf(&error, NRT_CTXT, NRT_ERR_INVALID_OBJECT,
"Usage: %s <raw-input> <output-j2k>", argv[0]);
goto CATCH_ERROR;
}
if (!(component = j2k_Component_construct(width, height, precision,
0, 0, 0, 1, 1, &error)))
{
goto CATCH_ERROR;
}
if (!(container = j2k_Container_construct(width,
height,
1,
&component,
tileWidth,
tileHeight,
J2K_TYPE_MONO,
&error)))
{
goto CATCH_ERROR;
}
memset(&options, 0, sizeof(j2k_WriterOptions));
/* TODO set some options here */
if (!(writer = j2k_Writer_construct(container, &options, &error)))
{
goto CATCH_ERROR;
}
if (!readFile(inName, &buf, &bufSize, &error))
{
goto CATCH_ERROR;
}
if (!j2k_Writer_setTile(writer, 0, 0, (nrt_Uint8*)buf,
(nrt_Uint32)bufSize, &error))
{
goto CATCH_ERROR;
}
if (!(outIO = nrt_IOHandleAdapter_open(outName, NRT_ACCESS_WRITEONLY,
NRT_CREATE, &error)))
goto CATCH_ERROR;
if (!j2k_Writer_write(writer, outIO, &error))
goto CATCH_ERROR;
goto CLEANUP;
CATCH_ERROR:
{
nrt_Error_print(&error, stdout, "Exiting...");
rc = 1;
}
CLEANUP:
{
if (container)
j2k_Container_destruct(&container);
if (writer)
j2k_Writer_destruct(&writer);
if (buf)
J2K_FREE(buf);
if (outIO)
nrt_IOInterface_destruct(&outIO);
}
return rc;
}
