NITFPRIV(NITF_CLEVEL) checkNumImages(nitf_Record* record, nitf_Error* error)
{
nitf_Uint32 numi = nitf_Record_getNumImages(record, error);
return (numi > 20) ? NITF_CLEVEL_05 : NITF_CLEVEL_03;
}
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)
{
/* This is the error we hopefully wont receive */
nitf_Error e;
/* Skip factors */
nitf_Uint32 rowSkipFactor = 1;
nitf_Uint32 columnSkipFactor = 1;
/* This is the reader */
nitf_Reader *reader;
/* This is the record of the file we are reading */
nitf_Record *record;
/* This is the io handle we will give the reader to parse */
nitf_IOHandle io;
int count = 0;
int numImages;
/* These iterators are for going through the image segments */
nitf_ListIterator iter;
nitf_ListIterator end;
char* inputFile;
NITF_BOOL optz = 0;
/* If you didnt give us a nitf file, we're croaking */
if (argc < 2)
{
printf("Usage: %s <nitf-file> (-o)\n", argv[0]);
exit(EXIT_FAILURE);
}
if (argc == 3)
{
optz = 1;
if (strcmp(argv[1], "-o") == 0)
{
inputFile = argv[2];
}
else if (strcmp(argv[2], "-o") == 0)
{
inputFile = argv[1];
}
else
{
printf("Usage: %s <nitf-file> (-o)\n", argv[0]);
exit(EXIT_FAILURE);
}
}
else
inputFile = argv[1];
/* You should use this function to test that you have a valid NITF */
if (nitf_Reader_getNITFVersion( inputFile ) == NITF_VER_UNKNOWN)
{
printf("This file does not appear to be a valid NITF");
exit(EXIT_FAILURE);
}
reader = nitf_Reader_construct(&e);
if (!reader)
{
nitf_Error_print(&e, stderr, "Reader creation failed");
exit(EXIT_FAILURE);
}
/*
* As of 2.5, you do not have to use an IOHandle if you use
* readIO instead of read()
*/
io = nitf_IOHandle_create(inputFile,
NITF_ACCESS_READONLY,
NITF_OPEN_EXISTING, &e);
if (NITF_INVALID_HANDLE(io))
{
nitf_Error_print(&e, stderr, "IO creation failed");
exit(EXIT_FAILURE);
}
/* Read the file */
record = nitf_Reader_read(reader, io, &e);
if (!record)
{
nitf_Error_print(&e, stderr, "Read failed");
nitf_IOHandle_close(io);
nitf_Reader_destruct(&reader);
exit(EXIT_FAILURE);
}
numImages = nitf_Record_getNumImages(record, &e);
if ( NITF_INVALID_NUM_SEGMENTS( numImages ) )
{
nitf_Error_print(&e, stderr, "Failed to get the number of images");
nitf_IOHandle_close(io);
nitf_Reader_destruct(&reader);
nitf_Record_destruct( &record );
exit(EXIT_FAILURE);
}
/* Set the iterator to traverse the list of image segments */
iter = nitf_List_begin(record->images);
/* And set this one to the end, so we'll know when we're done! */
end = nitf_List_end(record->images);
for (count = 0; count < numImages; ++count)
{
nitf_ImageSegment *imageSegment =
(nitf_ImageSegment *) nitf_ListIterator_get(&iter);
nitf_ImageReader *deserializer =
nitf_Reader_newImageReader(reader, count, &e);
if (!deserializer)
{
nitf_Error_print(&e, stderr, "Couldnt spawn deserializer");
exit(EXIT_FAILURE);
}
printf("Writing image %d... ", count);
/* Write the thing out */
writeImage(imageSegment, inputFile, deserializer, count,
rowSkipFactor, columnSkipFactor, optz, &e);
nitf_ImageReader_destruct(&deserializer);
printf("done.\n");
/* Increment the iterator so we can continue */
nitf_ListIterator_increment(&iter);
}
nitf_Record_destruct(&record);
nitf_Reader_destruct(&reader);
nitf_IOHandle_close(io);
return 0;
}
