GI.Vips.Constants

Documentation

pattern TRANSFORM_SHIFT :: Int32

Many of the vips interpolators use fixed-point arithmetic for coordinate calculation. This is how many bits of precision they use.

pattern TRANSFORM_SCALE :: Int32

TRANSFORM_SHIFT as a multiplicative constant.

pattern META_XMP_NAME :: Text

The name that read and write operations use for the image's XMP data.

pattern META_SEQUENTIAL :: Text

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.

pattern META_RESOLUTION_UNIT :: Text

The JPEG and TIFF read and write operations use this to record the file's preferred unit for resolution.

pattern META_PHOTOSHOP_NAME :: Text

The name that TIFF read and write operations use for the image's TIFFTAG_PHOTOSHOP data.

pattern META_PAGE_HEIGHT :: Text

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.

pattern META_ORIENTATION :: Text

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.

pattern META_N_SUBIFDS :: Text

If set, the number of subifds in the first page of the file.

pattern META_N_PAGES :: Text

If set, the number of pages in the original file.

pattern META_LOADER :: Text

Record the name of the original loader here. Handy for hinting file formats and for debugging.

pattern META_IPTC_NAME :: Text

The name that read and write operations use for the image's IPTC data.

pattern META_IMAGEDESCRIPTION :: Text

The IMAGEDESCRIPTION tag. Often has useful metadata.

pattern META_ICC_NAME :: Text

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.

pattern META_EXIF_NAME :: Text

The name that JPEG read and write operations use for the image's EXIF data.

pattern MAX_COORD :: Int32

No description available in the introspection data.

pattern MAGIC_SPARC :: Word32

The first four bytes of a VIPS file in SPARC byte ordering.

pattern MAGIC_INTEL :: Word32

The first four bytes of a VIPS file in Intel byte ordering.

pattern INTERPOLATE_SHIFT :: Int32

Many of the vips interpolators use fixed-point arithmetic for value calcualtion. This is how many bits of precision they use.

pattern INTERPOLATE_SCALE :: Int32

INTERPOLATE_SHIFT as a multiplicative constant.

pattern E_Z0 :: Double

No description available in the introspection data.

pattern E_Y0 :: Double

No description available in the introspection data.

pattern E_X0 :: Double

Areas under curves for equal energy illuminant E.

pattern D93_Z0 :: Double

No description available in the introspection data.

pattern D93_Y0 :: Double

No description available in the introspection data.

pattern D93_X0 :: Double

Areas under curves for D93, 2 degree observer.

pattern D75_Z0 :: Double

No description available in the introspection data.

pattern D75_Y0 :: Double

No description available in the introspection data.

pattern D75_X0 :: Double

Areas under curves for D75, 2 degree observer.

pattern D65_Z0 :: Double

No description available in the introspection data.

pattern D65_Y0 :: Double

No description available in the introspection data.

pattern D65_X0 :: Double

Areas under curves for D65, 2 degree observer.

pattern D55_Z0 :: Double

No description available in the introspection data.

pattern D55_Y0 :: Double

No description available in the introspection data.

pattern D55_X0 :: Double

Areas under curves for D55, 2 degree observer.

pattern D50_Z0 :: Double

No description available in the introspection data.

pattern D50_Y0 :: Double

No description available in the introspection data.

pattern D50_X0 :: Double

Areas under curves for D50, 2 degree observer.

pattern D3250_Z0 :: Double

No description available in the introspection data.

pattern D3250_Y0 :: Double

No description available in the introspection data.

pattern D3250_X0 :: Double

Areas under curves for black body at 3250K, 2 degree observer.

pattern C_Z0 :: Double

No description available in the introspection data.

pattern C_Y0 :: Double

No description available in the introspection data.

pattern C_X0 :: Double

Areas under curves for illuminant C (6774K), 2 degree observer.

pattern B_Z0 :: Double

No description available in the introspection data.

pattern B_Y0 :: Double

No description available in the introspection data.

pattern B_X0 :: Double

Areas under curves for illuminant B (4874K), 2 degree observer.

pattern A_Z0 :: Double

No description available in the introspection data.

pattern A_Y0 :: Double

No description available in the introspection data.

pattern A_X0 :: Double

Areas under curves for illuminant A (2856K), 2 degree observer.

pattern ARGUMENT_REQUIRED_OUTPUT :: Int32

No description available in the introspection data.

pattern ARGUMENT_REQUIRED_INPUT :: Int32

No description available in the introspection data.

pattern ARGUMENT_OPTIONAL_OUTPUT :: Int32

No description available in the introspection data.

pattern ARGUMENT_OPTIONAL_INPUT :: Int32

No description available in the introspection data.