static int
mat2vips_get_header( matvar_t *var, IMAGE *im )
{
int width, height, bands, format, type;
int i;
width = 1;
height = 1;
bands = 1;
switch( var->rank ) {
case 3:
bands = var->dims[2];
case 2:
height = var->dims[1];
case 1:
width = var->dims[0];
break;
default:
im_error( "im_mat2vips",
_( "unsupported rank %d\n" ), var->rank );
return( -1 );
}
if( bands > 1 )
type = IM_TYPE_MULTIBAND;
else
type = IM_TYPE_B_W;
for( i = 0; i < IM_NUMBER( mat2vips_formats ); i++ )
if( mat2vips_formats[i][0] == var->class_type )
break;
if( i == IM_NUMBER( mat2vips_formats ) ) {
im_error( "im_mat2vips", _( "unsupported class type %d\n" ),
var->class_type );
return( -1 );
}
format = mat2vips_formats[i][1];
im_initdesc( im,
width, height, bands,
im_bits_of_fmt( format ), format,
IM_CODING_NONE, type, 1.0, 1.0, 0, 0 );
return( 0 );
}
void
im_initdesc( IMAGE *image,
int xsize, int ysize,
int bands, int bandbits, int bandfmt,
int coding, int type,
float xres, float yres,
int xo, int yo )
{
image->Xsize = xsize;
image->Ysize = ysize;
image->Bands = bands;
/* bandbits is deprecated ... set to whatever the format requires.
*/
image->Bbits = im_bits_of_fmt( bandfmt );
image->BandFmt = bandfmt;
image->Coding = coding;
image->Type = type;
image->Xres = xres;
image->Yres = yres;
image->Xoffset = xo;
image->Yoffset = yo;
}
/**
* im_binfile:
* @name: filename to open
* @xsize: image width
* @ysize: image height
* @bands: image bands (or bytes per pixel)
* @offset: bytes to skip at start of file
*
* This function maps the named file and returns an #IMAGE you can use to
* read it.
*
* It returns an 8-bit image with @bands bands. If the image is not 8-bit, use
* im_copy_set() to transform the descriptor after loading it.
*
* See also: im_copy_set(), im_raw2vips(), im_open().
*
* Returns: the new #IMAGE, or NULL on error.
*/
IMAGE *
im_binfile( const char *name, int xsize, int ysize, int bands, int offset )
{
IMAGE *im;
gint64 psize;
gint64 rsize;
/* Check parameters.
*/
if( xsize <= 0 || ysize <= 0 || bands <= 0 ) {
im_error( "im_binfile",
"%s", _( "bad parameters" ) );
return( NULL );
}
/* Make new output image for us.
*/
if( !(im = im_init( name )) )
return( NULL );
if( (im->fd = im__open_image_file( name )) == -1 ) {
im_close( im );
return( NULL );
}
im->dtype = IM_OPENIN;
im->sizeof_header = offset;
/* Predict file size.
*/
psize = (gint64) xsize * ysize * bands + offset;
/* Read the real file length and check against what we think
* the size should be.
*/
if( (rsize = im_file_length( im->fd )) == -1 ) {
im_close( im );
return( NULL );
}
im->file_length = rsize;
/* Very common, so special message.
*/
if( psize > rsize ) {
im_error( "im_binfile", _( "unable to open %s: "
"file has been truncated" ), im->filename );
im_close( im );
return( NULL );
}
/* Just wierd. Only print a warning for this, since we should
* still be able to process it without coredumps.
*/
if( psize < rsize )
im_warn( "im_binfile", _( "%s is longer than expected" ),
im->filename );
/* Set header fields.
*/
im->Xsize = xsize;
im->Ysize = ysize;
im->Bands = bands;
/* Set others to standard values.
*/
im->BandFmt = IM_BANDFMT_UCHAR;
im->Bbits = im_bits_of_fmt( im->BandFmt );
im->Coding = IM_CODING_NONE;
if( bands == 1 )
im->Type = IM_TYPE_B_W;
else if( bands == 3 )
im->Type = IM_TYPE_RGB;
else
im->Type = IM_TYPE_MULTIBAND;
im->Xres = 1.0;
im->Yres = 1.0;
im->Length = 0;
im->Compression = 0;
im->Level = 0;
im->Xoffset = 0;
im->Yoffset = 0;
/* Init others too.
*/
im->dhint = IM_THINSTRIP;
return( im );
}
/**
* im_generate:
* @im: generate this image
* @start: start sequences with this function
* @generate: generate pixels with this function
* @stop: stop sequences with this function
* @a: user data
* @b: user data
*
* Generates an image. The action depends on the image type.
*
* For images opened with "p", im_generate() just attaches the
* start/generate/stop callbacks and returns.
*
* For "t" images, memory is allocated for the whole image and it is entirely
* generated using vips_sink().
*
* For "w" images, memory for a few scanlines is allocated and
* vips_sink_disc() used to generate the image in small chunks. As each
* chunk is generated, it is written to disc.
*
* See also: vips_sink(), im_open(), im_prepare(), im_wrapone().
*
* Returns: 0 on success, or -1 on error.
*/
int
im_generate( IMAGE *im,
im_start_fn start, im_generate_fn generate, im_stop_fn stop,
void *a, void *b )
{
int res;
g_assert( !im_image_sanity( im ) );
if( !im->hint_set ) {
im_error( "im_generate",
"%s", _( "im_demand_hint() not set" ) );
return( -1 );
}
if( im->Xsize <= 0 || im->Ysize <= 0 || im->Bands <= 0 ) {
im_error( "im_generate",
"%s", _( "bad dimensions" ) );
return( -1 );
}
/* We don't use this, but make sure it's set in case any old binaries
* are expectiing it.
*/
im->Bbits = im_bits_of_fmt( im->BandFmt );
/* Look at output type to decide our action.
*/
switch( im->dtype ) {
case IM_PARTIAL:
/* Output to partial image. Just attach functions and return.
*/
if( im->generate || im->start || im->stop ) {
im_error( "im_generate",
"%s", _( "func already attached" ) );
return( -1 );
}
im->start = start;
im->generate = generate;
im->stop = stop;
im->client1 = a;
im->client2 = b;
#ifdef DEBUG_IO
printf( "im_generate: attaching partial callbacks\n" );
#endif /*DEBUG_IO*/
break;
case IM_SETBUF:
case IM_SETBUF_FOREIGN:
case IM_MMAPINRW:
case IM_OPENOUT:
/* Eval now .. sanity check.
*/
if( im->generate || im->start || im->stop ) {
im_error( "im_generate",
"%s", _( "func already attached" ) );
return( -1 );
}
/* Get output ready.
*/
if( im_setupout( im ) )
return( -1 );
/* Attach callbacks.
*/
im->start = start;
im->generate = generate;
im->stop = stop;
im->client1 = a;
im->client2 = b;
if( im->dtype == IM_OPENOUT )
res = vips_sink_disc( im,
(VipsRegionWrite) write_vips, NULL );
else
res = vips_sink_memory( im );
/* Error?
*/
if( res )
return( -1 );
break;
default:
/* Not a known output style.
*/
im_error( "im_generate", _( "unable to output to a %s image" ),
im_dtype2char( im->dtype ) );
return( -1 );
}
/* Successful write: trigger "written".
*/
if( im__trigger_callbacks( im->writtenfns ) )
return( -1 );
return( 0 );
}
static int
vips_fits_get_header( VipsFits *fits, VipsImage *out )
{
int status;
int bitpix;
int width, height, bands, format, type;
int keysexist;
int i;
status = 0;
if( fits_get_img_paramll( fits->fptr,
10, &bitpix, &fits->naxis, fits->naxes, &status ) ) {
vips_fits_error( status );
return( -1 );
}
#ifdef VIPS_DEBUG
VIPS_DEBUG_MSG( "naxis = %d\n", fits->naxis );
for( i = 0; i < fits->naxis; i++ )
VIPS_DEBUG_MSG( "%d) %lld\n", i, fits->naxes[i] );
#endif /*VIPS_DEBUG*/
width = 1;
height = 1;
bands = 1;
switch( fits->naxis ) {
/* If you add more dimensions here, adjust data read below. See also
* the definition of MAX_DIMENSIONS above.
*/
case 10:
case 9:
case 8:
case 7:
case 6:
case 5:
case 4:
for( i = fits->naxis; i > 3; i-- )
if( fits->naxes[i - 1] != 1 ) {
im_error( "fits", "%s", _( "dimensions above 3 "
"must be size 1" ) );
return( -1 );
}
case 3:
bands = fits->naxes[2];
case 2:
height = fits->naxes[1];
case 1:
width = fits->naxes[0];
break;
default:
im_error( "fits", _( "bad number of axis %d" ), fits->naxis );
return( -1 );
}
/* Are we in one-band mode?
*/
if( fits->band_select != -1 )
bands = 1;
/* Get image format. We want the 'raw' format of the image, our caller
* can convert using the meta info if they want.
*/
for( i = 0; i < VIPS_NUMBER( fits2vips_formats ); i++ )
if( fits2vips_formats[i][0] == bitpix )
break;
if( i == VIPS_NUMBER( fits2vips_formats ) ) {
im_error( "fits", _( "unsupported bitpix %d\n" ),
bitpix );
return( -1 );
}
format = fits2vips_formats[i][1];
fits->datatype = fits2vips_formats[i][2];
if( bands == 1 ) {
if( format == VIPS_FORMAT_USHORT )
type = VIPS_INTERPRETATION_GREY16;
else
type = VIPS_INTERPRETATION_B_W;
}
else if( bands == 3 ) {
if( format == VIPS_FORMAT_USHORT )
type = VIPS_INTERPRETATION_RGB16;
else
type = VIPS_INTERPRETATION_RGB;
}
else
type = VIPS_INTERPRETATION_MULTIBAND;
im_initdesc( out,
width, height, bands,
im_bits_of_fmt( format ), format,
VIPS_CODING_NONE, type, 1.0, 1.0, 0, 0 );
/* Read all keys into meta.
*/
if( fits_get_hdrspace( fits->fptr, &keysexist, NULL, &status ) ) {
vips_fits_error( status );
return( -1 );
}
for( i = 0; i < keysexist; i++ ) {
char record[81];
char vipsname[100];
if( fits_read_record( fits->fptr, i + 1, record, &status ) ) {
vips_fits_error( status );
return( -1 );
}
VIPS_DEBUG_MSG( "fits2vips: setting meta on vips image:\n" );
VIPS_DEBUG_MSG( " record == \"%s\"\n", record );
/* FITS lets keys repeat. For example, HISTORY appears many
* times, each time with a fresh line of history attached. We
* have to include the key index in the vips name we assign.
*/
im_snprintf( vipsname, 100, "fits-%d", i );
if( im_meta_set_string( out, vipsname, record ) )
return( -1 );
}
return( 0 );
}
int
main( int argc, char **argv )
{
GOptionContext *context;
GError *error = NULL;
IMAGE *im;
unsigned char header[IM_SIZEOF_HEADER];
if( im_init_world( argv[0] ) )
error_exit( "%s", _( "unable to start VIPS" ) );
textdomain( GETTEXT_PACKAGE );
setlocale( LC_ALL, "" );
context = g_option_context_new(
_( "vipsfile - edit vipsfile header" ) );
g_option_context_add_main_entries( context, entries, GETTEXT_PACKAGE );
g_option_context_add_group( context, im_get_option_group() );
if( !g_option_context_parse( context, &argc, &argv, &error ) ) {
if( error ) {
fprintf( stderr, "%s\n", error->message );
g_error_free( error );
}
exit( -1 );
}
if( argc != 2 ) {
fprintf( stderr, _( "usage: %s [OPTION...] vipsfile\n" ),
g_get_prgname() );
exit( -1 );
}
if( !(im = im_init( argv[1] )) ||
(im->fd = im__open_image_file( im->filename )) == -1 )
error_exit( _( "could not open image %s" ), argv[1] );
if( read( im->fd, header, IM_SIZEOF_HEADER ) != IM_SIZEOF_HEADER ||
im__read_header_bytes( im, header ) )
error_exit( _( "could not read VIPS header for %s" ),
im->filename );
if( xsize )
parse_pint( xsize, &im->Xsize );
if( ysize )
parse_pint( ysize, &im->Ysize );
if( bands )
parse_pint( bands, &im->Bands );
if( format ) {
if( (im->BandFmt = im_char2BandFmt( format )) < 0 )
error_exit( _( "bad format %s" ), format );
im->Bbits = im_bits_of_fmt( im->BandFmt );
}
if( type ) {
if( (im->Type = im_char2Type( type )) < 0 )
error_exit( _( "bad type %s" ), type );
}
if( coding ) {
if( (im->Coding = im_char2Coding( coding )) < 0 )
error_exit( _( "bad coding %s" ), coding );
}
if( xres )
im->Xres = atof( xres );
if( yres )
im->Yres = atof( yres );
if( xoffset )
im->Xoffset = atoi( xoffset );
if( yoffset )
im->Yoffset = atoi( yoffset );
if( lseek( im->fd, 0, SEEK_SET ) == (off_t) -1 )
error_exit( _( "could not seek on %s" ), im->filename );
if( im__write_header_bytes( im, header ) ||
im__write( im->fd, header, IM_SIZEOF_HEADER ) )
error_exit( _( "could not write to %s" ), im->filename );
if( setext ) {
char *xml;
unsigned int size;
if( !(xml = im__file_read( stdin, "stdin", &size )) )
error_exit( "%s", _( "could not get ext data" ) );
/* Strip trailing whitespace ... we can get stray \n at the
* end, eg. "echo | edvips --setext fred.v".
*/
while( size > 0 && isspace( xml[size - 1] ) )
size -= 1;
if( im__write_extension_block( im, xml, size ) )
error_exit( "%s", _( "could not set extension" ) );
im_free( xml );
}
im_close( im );
vips_shutdown();
return( 0 );
}
int
main( int argc, char **argv )
{
GOptionContext *context;
GOptionGroup *main_group;
GError *error = NULL;
IMAGE *im;
unsigned char header[IM_SIZEOF_HEADER];
if( VIPS_INIT( argv[0] ) )
vips_error_exit( "%s", _( "unable to start VIPS" ) );
textdomain( GETTEXT_PACKAGE );
setlocale( LC_ALL, "" );
context = g_option_context_new(
_( "vipsedit - edit vips file header" ) );
main_group = g_option_group_new( NULL, NULL, NULL, NULL, NULL );
g_option_group_add_entries( main_group, entries );
vips_add_option_entries( main_group );
g_option_group_set_translation_domain( main_group, GETTEXT_PACKAGE );
g_option_context_set_main_group( context, main_group );
if( !g_option_context_parse( context, &argc, &argv, &error ) ) {
if( error ) {
fprintf( stderr, "%s\n", error->message );
g_error_free( error );
}
exit( -1 );
}
if( argc != 2 ) {
fprintf( stderr, _( "usage: %s [OPTION...] vips-file\n" ),
g_get_prgname() );
exit( -1 );
}
if( !(im = im_init( argv[1] )) ||
(im->fd = im__open_image_file( im->filename )) == -1 )
error_exit( _( "could not open image %s" ), argv[1] );
if( read( im->fd, header, IM_SIZEOF_HEADER ) != IM_SIZEOF_HEADER ||
im__read_header_bytes( im, header ) )
error_exit( _( "could not read VIPS header for %s" ),
im->filename );
if( endian ) {
if( strcmp( endian, "little" ) == 0 )
im->magic = VIPS_MAGIC_INTEL;
else if( strcmp( endian, "big" ) == 0 )
im->magic = VIPS_MAGIC_SPARC;
else
error_exit( _( "bad endian-ness %s, "
"should be 'big' or 'little'" ), endian );
}
if( xsize )
parse_pint( xsize, &im->Xsize );
if( ysize )
parse_pint( ysize, &im->Ysize );
if( bands )
parse_pint( bands, &im->Bands );
if( format ) {
VipsBandFormat f;
if( (f = im_char2BandFmt( format )) < 0 )
error_exit( _( "bad format %s" ), format );
im->BandFmt = f;
im->Bbits = im_bits_of_fmt( f );
}
if( interpretation ) {
VipsInterpretation i;
if( (i = im_char2Type( interpretation )) < 0 )
error_exit( _( "bad interpretation %s" ),
interpretation );
im->Type = i;
}
if( coding ) {
VipsCoding c;
if( (c = im_char2Coding( coding )) < 0 )
error_exit( _( "bad coding %s" ), coding );
im->Coding = c;
}
if( xres )
im->Xres = atof( xres );
if( yres )
im->Yres = atof( yres );
if( xoffset )
im->Xoffset = atoi( xoffset );
if( yoffset )
im->Yoffset = atoi( yoffset );
if( lseek( im->fd, 0, SEEK_SET ) == (off_t) -1 )
error_exit( _( "could not seek on %s" ), im->filename );
if( im__write_header_bytes( im, header ) ||
im__write( im->fd, header, IM_SIZEOF_HEADER ) )
error_exit( _( "could not write to %s" ), im->filename );
if( setext ) {
char *xml;
size_t size;
if( !(xml = im__file_read( stdin, "stdin", &size )) )
error_exit( "%s", _( "could not get ext data" ) );
/* Strip trailing whitespace ... we can get stray \n at the
* end, eg. "echo | editvips --setext fred.v".
*/
while( size > 0 && isspace( xml[size - 1] ) )
size -= 1;
if( im__write_extension_block( im, xml, size ) )
error_exit( "%s", _( "could not set extension" ) );
im_free( xml );
}
im_close( im );
vips_shutdown();
return( 0 );
}