static void
attach_exif_entry( ExifEntry *entry, IMAGE *im )
{
char name_text[256];
VipsBuf name;
char value_text[256];
VipsBuf value;
char exif_value[256];
vips_buf_init_static( &name, name_text, 256 );
vips_buf_init_static( &value, value_text, 256 );
vips_buf_appendf( &name, "exif-%s", exif_tag_get_title( entry->tag ) );
vips_buf_appendf( &value, "%s (%s, %d bytes)",
exif_entry_get_value( entry, exif_value, 256 ),
exif_format_get_name( entry->format ),
entry->size );
/* Can't do anything sensible with the error return.
*/
(void) im_meta_set_string( im,
vips_buf_all( &name ), vips_buf_all( &value ) );
}
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 );
}
static int
parse_header( Read *read )
{
IMAGE *im = read->im;
Image *image = read->image;
Image *p;
int i;
/* Handy for testimng IM/GM
printf( "parse_header: filename = %s\n", read->filename );
printf( "GetImageChannelDepth(DefaultChannels) = %ld\n",
GetImageChannelDepth( image, DefaultChannels,
&image->exception ) );
printf( "GetImageChannelDepth(AllChannels) = %ld\n",
GetImageChannelDepth( image, AllChannels, &image->exception ) );
printf( "GetImageDepth() = %ld\n",
GetImageDepth( image, &image->exception ) );
printf( "image->depth = %lu\n", image->depth );
printf( "GetImageQuantumDepth(MagickFalse) = %ld\n",
GetImageQuantumDepth( image, MagickFalse ) );
printf( "GetImageType() = %d\n",
GetImageType( image, &image->exception ) );
printf( "IsGrayImage() = %d\n",
IsGrayImage( image, &image->exception ) );
printf( "IsMonochromeImage() = %d\n",
IsMonochromeImage( image, &image->exception ) );
printf( "IsOpaqueImage() = %d\n",
IsOpaqueImage( image, &image->exception ) );
*/
im->Xsize = image->columns;
im->Ysize = image->rows;
read->frame_height = image->rows;
if( (im->Bands = get_bands( image )) < 0 )
return( -1 );
/* Depth can be 'fractional'. You'd think we should use
* GetImageDepth() but that seems unreliable. 16-bit mono DICOM images
* are reported as depth 1, for example.
*/
im->BandFmt = -1;
if( image->depth >= 1 && image->depth <= 8 )
im->BandFmt = IM_BANDFMT_UCHAR;
if( image->depth >= 9 && image->depth <= 16 )
im->BandFmt = IM_BANDFMT_USHORT;
#ifdef UseHDRI
if( image->depth == 32 )
im->BandFmt = IM_BANDFMT_FLOAT;
if( image->depth == 64 )
im->BandFmt = IM_BANDFMT_DOUBLE;
#else /*!UseHDRI*/
if( image->depth == 32 )
im->BandFmt = IM_BANDFMT_UINT;
#endif /*UseHDRI*/
if( im->BandFmt == -1 ) {
im_error( "im_magick2vips", _( "unsupported bit depth %d" ),
(int) image->depth );
return( -1 );
}
switch( image->colorspace ) {
case GRAYColorspace:
if( im->BandFmt == IM_BANDFMT_USHORT )
im->Type = IM_TYPE_GREY16;
else
im->Type = IM_TYPE_B_W;
break;
case RGBColorspace:
if( im->BandFmt == IM_BANDFMT_USHORT )
im->Type = IM_TYPE_RGB16;
else
im->Type = IM_TYPE_RGB;
break;
case sRGBColorspace:
if( im->BandFmt == IM_BANDFMT_USHORT )
im->Type = IM_TYPE_RGB16;
else
im->Type = IM_TYPE_sRGB;
break;
case CMYKColorspace:
im->Type = IM_TYPE_CMYK;
break;
default:
im_error( "im_magick2vips", _( "unsupported colorspace %d" ),
(int) image->colorspace );
return( -1 );
}
switch( image->units ) {
case PixelsPerInchResolution:
im->Xres = image->x_resolution / 25.4;
im->Yres = image->y_resolution / 25.4;
break;
case PixelsPerCentimeterResolution:
im->Xres = image->x_resolution / 10.0;
im->Yres = image->y_resolution / 10.0;
break;
default:
im->Xres = 1.0;
im->Yres = 1.0;
break;
}
/* Other fields.
*/
im->Coding = IM_CODING_NONE;
/* Three ways to loop over attributes / properties :-(
*/
#ifdef HAVE_RESETIMAGEPROPERTYITERATOR
{
char *key;
/* This is the most recent imagemagick API, test for this first.
*/
ResetImagePropertyIterator( image );
while( (key = GetNextImageProperty( image )) ) {
char name_text[256];
VipsBuf name = VIPS_BUF_STATIC( name_text );
vips_buf_appendf( &name, "magick-%s", key );
im_meta_set_string( im,
vips_buf_all( &name ), GetImageProperty( image, key ) );
}
}
#elif defined(HAVE_RESETIMAGEATTRIBUTEITERATOR)
{
const ImageAttribute *attr;
/* magick6.1-ish and later, deprecated in 6.5ish.
*/
ResetImageAttributeIterator( image );
while( (attr = GetNextImageAttribute( image )) ) {
char name_text[256];
VipsBuf name = VIPS_BUF_STATIC( name_text );
vips_buf_appendf( &name, "magick-%s", attr->key );
im_meta_set_string( im, vips_buf_all( &name ), attr->value );
}
}
#else
{
const ImageAttribute *attr;
/* GraphicsMagick is missing the iterator: we have to loop ourselves.
* ->attributes is marked as private in the header, but there's no
* getter so we have to access it directly.
*/
for( attr = image->attributes; attr; attr = attr->next ) {
char name_text[256];
VipsBuf name = VIPS_BUF_STATIC( name_text );
vips_buf_appendf( &name, "magick-%s", attr->key );
im_meta_set_string( im, vips_buf_all( &name ), attr->value );
}
}
#endif
/* Do we have a set of equal-sized frames? Append them.
FIXME ... there must be an attribute somewhere from dicom read
which says this is a volumetric image
*/
read->n_frames = 0;
for( p = image; p; (p = GetNextImageInList( p )) ) {
if( p->columns != (unsigned int) im->Xsize ||
p->rows != (unsigned int) im->Ysize ||
get_bands( p ) != im->Bands )
break;
read->n_frames += 1;
}
if( p )
/* Nope ... just do the first image in the list.
*/
read->n_frames = 1;
/* Record frame pointers.
*/
im->Ysize *= read->n_frames;
if( !(read->frames = IM_ARRAY( NULL, read->n_frames, Image * )) )
return( -1 );
p = image;
for( i = 0; i < read->n_frames; i++ ) {
read->frames[i] = p;
p = GetNextImageInList( p );
}
return( 0 );
}
