diff options
| author | Thomas White <taw@physics.org> | 2021-03-30 17:01:11 +0200 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2021-03-30 17:01:11 +0200 |
| commit | 00f88dac5a2b63ec1c5f7ad65efef3d4f9d93b77 (patch) | |
| tree | fc8a5f77c1b88f526cbdd7efb53b09183cc5ca14 /libcrystfel/src/image.h | |
| parent | ab2158fb3f8053c6277113b4fb22007859f53de8 (diff) | |
Add header caching layer
This simultaneously implements --copy-header/--copy-hdf5-field and gives
access to metadata (e.g. detector position or wavelength) when loading
from a stream with header-specified values.
Diffstat (limited to 'libcrystfel/src/image.h')
| -rw-r--r-- | libcrystfel/src/image.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/libcrystfel/src/image.h b/libcrystfel/src/image.h index c3b55ba0..181d0433 100644 --- a/libcrystfel/src/image.h +++ b/libcrystfel/src/image.h @@ -7,7 +7,7 @@ * a research centre of the Helmholtz Association. * * Authors: - * 2009-2020 Thomas White <taw@physics.org> + * 2009-2021 Thomas White <taw@physics.org> * 2014 Valerio Mariani * * @@ -76,6 +76,18 @@ struct imagefeature { typedef struct _imagefeaturelist ImageFeatureList; +#define HEADER_CACHE_SIZE (128) + +struct header_cache_entry { + char *header_name; + char type; + union { + int val_int; + float val_float; + }; +}; + + struct image { /** The image data, by panel */ @@ -112,7 +124,8 @@ struct image /** @} */ /** A list of metadata read from the stream */ - char *copied_headers; + struct header_cache_entry *header_cache[HEADER_CACHE_SIZE]; + int n_cached_headers; /** ID number of the worker processing handling this image */ int id; @@ -184,6 +197,14 @@ extern struct image *image_read(const DataTemplate *dtempl, extern struct image *image_create_for_simulation(const DataTemplate *dtempl); extern void image_free(struct image *image); +extern void image_cache_header_float(struct image *image, + const char *header_name, + float header_val); + +extern void image_cache_header_int(struct image *image, + const char *header_name, + int header_val); + extern ImageFeatureList *image_read_peaks(const DataTemplate *dtempl, const char *filename, const char *event, |