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/* image header funcs
*
* 20/9/09
* - from proto.h
*/
/*
This file is part of VIPS.
VIPS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifndef VIPS_HEADER_H
#define VIPS_HEADER_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
/**
* VIPS_META_EXIF_NAME:
*
* The name that read and write operations use for the image's EXIF data.
*/
#define VIPS_META_EXIF_NAME "exif-data"
/**
* VIPS_META_XMP_NAME:
*
* The name that read and write operations use for the image's XMP data.
*/
#define VIPS_META_XMP_NAME "xmp-data"
/**
* VIPS_META_IPTC_NAME:
*
* The name that read and write operations use for the image's IPTC data.
*/
#define VIPS_META_IPTC_NAME "iptc-data"
/**
* VIPS_META_PHOTOSHOP_NAME:
*
* The name that TIFF read and write operations use for the image's
* TIFFTAG_PHOTOSHOP data.
*/
#define VIPS_META_PHOTOSHOP_NAME "photoshop-data"
/**
* VIPS_META_ICC_NAME:
*
* The name we use to attach an ICC profile. The file read and write
* operations for TIFF, JPEG, PNG and others use this item of metadata to
* attach and save ICC profiles. The profile is updated by the
* vips_icc_transform() operations.
*/
#define VIPS_META_ICC_NAME "icc-profile-data"
/**
* VIPS_META_IMAGEDESCRIPTION:
*
* The IMAGEDESCRIPTION tag. Often has useful metadata.
*/
#define VIPS_META_IMAGEDESCRIPTION "image-description"
/**
* VIPS_META_RESOLUTION_UNIT:
*
* The JPEG and TIFF read and write operations use this to record the
* file's preferred unit for resolution.
*/
#define VIPS_META_RESOLUTION_UNIT "resolution-unit"
/**
* VIPS_META_BITS_PER_SAMPLE:
*
* The bits per sample for each channel.
*/
#define VIPS_META_BITS_PER_SAMPLE "bits-per-sample"
/**
* VIPS_META_PALETTE:
*
* Does this image have a palette?
*/
#define VIPS_META_PALETTE "palette"
/**
* VIPS_META_LOADER:
*
* Record the name of the original loader here. Handy for hinting file formats
* and for debugging.
*/
#define VIPS_META_LOADER "vips-loader"
/**
* VIPS_META_SEQUENTIAL:
*
* Images loaded via vips_sequential() have this int field defined. Some
* operations (eg. vips_shrinkv()) add extra caches if they see it on their
* input.
*/
#define VIPS_META_SEQUENTIAL "vips-sequential"
/**
* VIPS_META_ORIENTATION:
*
* The orientation tag for this image. An int from 1 - 8 using the standard
* exif/tiff meanings.
*
* * 1 - The 0th row represents the visual top of the image, and the 0th column
* represents the visual left-hand side.
* * 2 - The 0th row represents the visual top of the image, and the 0th column
* represents the visual right-hand side.
* * 3 - The 0th row represents the visual bottom of the image, and the 0th
* column represents the visual right-hand side.
* * 4 - The 0th row represents the visual bottom of the image, and the 0th
* column represents the visual left-hand side.
* * 5 - The 0th row represents the visual left-hand side of the image, and the
* 0th column represents the visual top.
* * 6 - The 0th row represents the visual right-hand side of the image, and the
* 0th column represents the visual top.
* * 7 - The 0th row represents the visual right-hand side of the image, and the
* 0th column represents the visual bottom.
* * 8 - The 0th row represents the visual left-hand side of the image, and the
* 0th column represents the visual bottom.
*/
#define VIPS_META_ORIENTATION "orientation"
/**
* VIPS_META_PAGE_HEIGHT:
*
* If set, the height of each page when this image was loaded. If you save an
* image with "page-height" set to a format that supports multiple pages, such
* as tiff, the image will be saved as a series of pages.
*/
#define VIPS_META_PAGE_HEIGHT "page-height"
/**
* VIPS_META_N_PAGES:
*
* If set, the number of pages in the original file.
*/
#define VIPS_META_N_PAGES "n-pages"
/**
* VIPS_META_N_SUBIFDS:
*
* If set, the number of subifds in the first page of the file.
*/
#define VIPS_META_N_SUBIFDS "n-subifds"
/**
* VIPS_META_CONCURRENCY:
*
* If set, the suggested concurrency for this image.
*/
#define VIPS_META_CONCURRENCY "concurrency"
VIPS_API
guint64 vips_format_sizeof(VipsBandFormat format);
VIPS_API
guint64 vips_format_sizeof_unsafe(VipsBandFormat format);
VIPS_API
double vips_interpretation_max_alpha(VipsInterpretation interpretation);
VIPS_API
int vips_image_get_width(const VipsImage *image);
VIPS_API
int vips_image_get_height(const VipsImage *image);
VIPS_API
int vips_image_get_bands(const VipsImage *image);
VIPS_API
VipsBandFormat vips_image_get_format(const VipsImage *image);
VIPS_API
double vips_image_get_format_max(VipsBandFormat format);
VIPS_API
VipsBandFormat vips_image_guess_format(const VipsImage *image);
VIPS_API
VipsCoding vips_image_get_coding(const VipsImage *image);
VIPS_API
VipsInterpretation vips_image_get_interpretation(const VipsImage *image);
VIPS_API
VipsInterpretation vips_image_guess_interpretation(const VipsImage *image);
VIPS_API
double vips_image_get_xres(const VipsImage *image);
VIPS_API
double vips_image_get_yres(const VipsImage *image);
VIPS_API
int vips_image_get_xoffset(const VipsImage *image);
VIPS_API
int vips_image_get_yoffset(const VipsImage *image);
VIPS_API
const char *vips_image_get_filename(const VipsImage *image);
VIPS_API
const char *vips_image_get_mode(const VipsImage *image);
VIPS_API
double vips_image_get_scale(const VipsImage *image);
VIPS_API
double vips_image_get_offset(const VipsImage *image);
VIPS_API
int vips_image_get_page_height(VipsImage *image);
VIPS_API
int vips_image_get_n_pages(VipsImage *image);
VIPS_API
int vips_image_get_n_subifds(VipsImage *image);
VIPS_API
int vips_image_get_orientation(VipsImage *image);
VIPS_API
gboolean vips_image_get_orientation_swap(VipsImage *image);
VIPS_API
int vips_image_get_concurrency(VipsImage *image, int default_concurrency);
VIPS_API
const void *vips_image_get_data(VipsImage *image);
VIPS_API
void vips_image_init_fields(VipsImage *image,
int xsize, int ysize, int bands,
VipsBandFormat format, VipsCoding coding,
VipsInterpretation interpretation,
double xres, double yres);
VIPS_API
void vips_image_set(VipsImage *image, const char *name, GValue *value);
VIPS_API
int vips_image_get(const VipsImage *image,
const char *name, GValue *value_copy);
VIPS_API
int vips_image_get_as_string(const VipsImage *image,
const char *name, char **out);
VIPS_API
GType vips_image_get_typeof(const VipsImage *image, const char *name);
VIPS_API
gboolean vips_image_remove(VipsImage *image, const char *name);
typedef void *(*VipsImageMapFn)(VipsImage *image,
const char *name, GValue *value, void *a);
VIPS_API
void *vips_image_map(VipsImage *image, VipsImageMapFn fn, void *a);
VIPS_API
gchar **vips_image_get_fields(VipsImage *image);
VIPS_API
void vips_image_set_area(VipsImage *image,
const char *name, VipsCallbackFn free_fn, void *data);
VIPS_API
int vips_image_get_area(const VipsImage *image,
const char *name, const void **data);
VIPS_API
void vips_image_set_blob(VipsImage *image,
const char *name,
VipsCallbackFn free_fn, const void *data, size_t length);
VIPS_API
void vips_image_set_blob_copy(VipsImage *image,
const char *name, const void *data, size_t length);
VIPS_API
int vips_image_get_blob(const VipsImage *image,
const char *name, const void **data, size_t *length);
VIPS_API
int vips_image_get_int(const VipsImage *image, const char *name, int *out);
VIPS_API
void vips_image_set_int(VipsImage *image, const char *name, int i);
VIPS_API
int vips_image_get_double(const VipsImage *image,
const char *name, double *out);
VIPS_API
void vips_image_set_double(VipsImage *image, const char *name, double d);
VIPS_API
int vips_image_get_string(const VipsImage *image,
const char *name, const char **out);
VIPS_API
void vips_image_set_string(VipsImage *image,
const char *name, const char *str);
VIPS_API
void vips_image_print_field(const VipsImage *image, const char *name);
VIPS_API
int vips_image_get_image(const VipsImage *image,
const char *name, VipsImage **out);
VIPS_API
void vips_image_set_image(VipsImage *image, const char *name, VipsImage *im);
VIPS_API
void vips_image_set_array_int(VipsImage *image, const char *name,
const int *array, int n);
VIPS_API
int vips_image_get_array_int(VipsImage *image, const char *name,
int **out, int *n);
VIPS_API
int vips_image_get_array_double(VipsImage *image, const char *name,
double **out, int *n);
VIPS_API
void vips_image_set_array_double(VipsImage *image, const char *name,
const double *array, int n);
VIPS_API
int vips_image_history_printf(VipsImage *image, const char *format, ...)
G_GNUC_PRINTF(2, 3);
VIPS_API
int vips_image_history_args(VipsImage *image,
const char *name, int argc, char *argv[]);
VIPS_API
const char *vips_image_get_history(VipsImage *image);
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_HEADER_H*/