VIPS function list

Using VIPS — List of VIPS functions and operators

Function list

VIPS has a set of operators each of which computes some useful image processing operation. Each operator is implemented as a GObject class, for example VipsGamma. Classes are identified by their unique nickname, in this case gamma. From the command-line, C++ and most language bindings, you use the nickname to call the operator. For example in C++: 

  vips::VImage fred = ...;
  vips::VImage jim = fred.gamma();

or Python: 

  fred = jim.gamma()

VIPS has a set of C wrapper functions for calling operators, in this case vips_gamma(): 

  VipsImage *fred = ...;
  VipsImage *jim;

  if (vips_gamma(fred, &jim, NULL))
    ...error;

Some operators have many C convenience functions.

This table lists all the VIPS operators with their C convenience functions and a short description. It's supposed to be useful for searching. See the API docs each function links to for more details.

Table 1. VIPS functions and operators

Operator Description C functions
CMC2LCh Transform lch to cmc vips_CMC2LCh()
CMYK2XYZ Transform cmyk to xyz vips_CMYK2XYZ()
HSV2sRGB Transform hsv to srgb vips_HSV2sRGB()
LCh2CMC Transform lch to cmc vips_LCh2CMC()
LCh2Lab Transform lch to lab vips_LCh2Lab()
Lab2LCh Transform lab to lch vips_Lab2LCh()
Lab2LabQ Transform float lab to labq coding vips_Lab2LabQ()
Lab2LabS Transform float lab to signed short vips_Lab2LabS()
Lab2XYZ Transform cielab to xyz vips_Lab2XYZ()
LabQ2Lab Unpack a labq image to float lab vips_LabQ2Lab()
LabQ2LabS Unpack a labq image to short lab vips_LabQ2LabS()
LabQ2sRGB Convert a labq image to srgb vips_LabQ2sRGB()
LabS2Lab Transform signed short lab to float vips_LabS2Lab()
LabS2LabQ Transform short lab to labq coding vips_LabS2LabQ()
XYZ2CMYK Transform xyz to cmyk vips_XYZ2CMYK()
XYZ2Lab Transform xyz to lab vips_XYZ2Lab()
XYZ2Yxy Transform xyz to yxy vips_XYZ2Yxy()
XYZ2scRGB Transform xyz to scrgb vips_XYZ2scRGB()
Yxy2XYZ Transform yxy to xyz vips_Yxy2XYZ()
abs Absolute value of an image vips_abs()
add Add two images vips_add()
affine Affine transform of an image vips_affine()
analyzeload Load an analyze6 image vips_analyzeload()
arrayjoin Join an array of images vips_arrayjoin()
autorot Autorotate image by exif tag vips_autorot()
avg Find image average vips_avg()
bandbool Boolean operation across image bands vips_bandbool(), vips_bandand(), vips_bandor(), vips_bandeor(), vips_bandmean()
bandfold Fold up x axis into bands vips_bandfold()
bandjoin Bandwise join a set of images vips_bandjoin(), vips_bandjoin2()
bandjoin_const Append a constant band to an image vips_bandjoin_const(), vips_bandjoin_const1()
bandmean Band-wise average vips_bandmean()
bandrank Band-wise rank of a set of images vips_bandrank()
bandunfold Unfold image bands into x axis vips_bandunfold()
black Make a black image vips_black()
boolean Boolean operation on two images vips_boolean(), vips_andimage(), vips_orimage(), vips_eorimage(), vips_lshift(), vips_rshift()
boolean_const Boolean operations against a constant vips_boolean_const(), vips_andimage_const(), vips_orimage_const(), vips_eorimage_const(), vips_lshift_const(), vips_rshift_const(), vips_boolean_const1(), vips_andimage_const1(), vips_orimage_const1(), vips_eorimage_const1(), vips_lshift_const1(), vips_rshift_const1()
buildlut Build a look-up table vips_buildlut()
byteswap Byteswap an image vips_byteswap()
cache Cache an image vips_cache()
canny Canny edge detector vips_canny()
case Use pixel values to pick cases from an array of images vips_case()
cast Cast an image vips_cast(), vips_cast_uchar(), vips_cast_char(), vips_cast_ushort(), vips_cast_shortcast_uint(), vips_cast_int(), vips_cast_float(), vips_cast_double(), vips_cast_complex(), vips_cast_dpcomplex()
colourspace Convert to a new colorspace vips_colourspace()
compass Convolve with rotating mask vips_compass()
complex Perform a complex operation on an image vips_complex(), vips_polar(), vips_rect(), vips_conj()
complex2 Complex binary operations on two images vips_complex2(), vips_cross_phase()
complexform Form a complex image from two real images vips_complexform()
complexget Get a component from a complex image vips_complexget(), vips_real(), vips_imag()
composite Blend an array of images with an array of blend modes vips_composite()
composite2 Blend a pair of images with a blend mode vips_composite2()
conv Convolution operation vips_conv()
conva Approximate integer convolution vips_conva()
convasep Approximate separable integer convolution vips_convasep()
convf Float convolution operation vips_convf()
convi Int convolution operation vips_convi()
convsep Seperable convolution operation vips_convsep()
copy Copy an image vips_copy()
countlines Count lines in an image vips_countlines()
csvload Load csv vips_csvload()
csvload_source Load csv vips_csvload_source()
csvsave Save image to csv vips_csvsave()
csvsave_target Save image to csv vips_csvsave_target()
dE00 Calculate de00 vips_dE00()
dE76 Calculate de76 vips_dE76()
dECMC Calculate decmc vips_dECMC()
deviate Find image standard deviation vips_deviate()
divide Divide two images vips_divide()
draw_circle Draw a circle on an image vips_draw_circle(), vips_draw_circle1()
draw_flood Flood-fill an area vips_draw_flood(), vips_draw_flood1()
draw_image Paint an image into another image vips_draw_image()
draw_line Draw a line on an image vips_draw_line(), vips_draw_line1()
draw_mask Draw a mask on an image vips_draw_mask(), vips_draw_mask1()
draw_rect Paint a rectangle on an image vips_draw_rect(), vips_draw_rect1(), vips_draw_point(), vips_draw_point1()
draw_smudge Blur a rectangle on an image vips_draw_smudge()
dzsave Save image to deepzoom file vips_dzsave()
dzsave_buffer Save image to dz buffer vips_dzsave_buffer()
dzsave_target Save image to deepzoom target vips_dzsave_target()
embed Embed an image in a larger image vips_embed()
extract_area Extract an area from an image vips_extract_area(), vips_crop()
extract_band Extract band from an image vips_extract_band()
eye Make an image showing the eye's spatial response vips_eye()
falsecolour False-color an image vips_falsecolour()
fastcor Fast correlation vips_fastcor()
fill_nearest Fill image zeros with nearest non-zero pixel vips_fill_nearest()
find_trim Search an image for non-edge areas vips_find_trim()
fitsload Load a fits image vips_fitsload()
fitsload_source Load fits from a source vips_fitsload_source()
fitssave Save image to fits file vips_fitssave()
flatten Flatten alpha out of an image vips_flatten()
flip Flip an image vips_flip()
float2rad Transform float rgb to radiance coding vips_float2rad()
fractsurf Make a fractal surface vips_fractsurf()
freqmult Frequency-domain filtering vips_freqmult()
fwfft Forward fft vips_fwfft()
gamma Gamma an image vips_gamma()
gaussblur Gaussian blur vips_gaussblur()
gaussmat Make a gaussian image vips_gaussmat()
gaussnoise Make a gaussnoise image vips_gaussnoise()
getpoint Read a point from an image vips_getpoint()
gifload Load gif with libnsgif vips_gifload()
gifload_buffer Load gif with libnsgif vips_gifload_buffer()
gifload_source Load gif from source vips_gifload_source()
gifsave Save as gif vips_gifsave()
gifsave_buffer Save as gif vips_gifsave_buffer()
gifsave_target Save as gif vips_gifsave_target()
globalbalance Global balance an image mosaic vips_globalbalance()
gravity Place an image within a larger image with a certain gravity vips_gravity()
grey Make a grey ramp image vips_grey()
grid Grid an image vips_grid()
heifload Load a heif image vips_heifload()
heifload_buffer Load a heif image vips_heifload_buffer()
heifload_source Load a heif image vips_heifload_source()
heifsave Save image in heif format vips_heifsave()
heifsave_buffer Save image in heif format vips_heifsave_buffer()
heifsave_target Save image in heif format vips_heifsave_target()
hist_cum Form cumulative histogram vips_hist_cum()
hist_entropy Estimate image entropy vips_hist_entropy()
hist_equal Histogram equalisation vips_hist_equal()
hist_find Find image histogram vips_hist_find()
hist_find_indexed Find indexed image histogram vips_hist_find_indexed()
hist_find_ndim Find n-dimensional image histogram vips_hist_find_ndim()
hist_ismonotonic Test for monotonicity vips_hist_ismonotonic()
hist_local Local histogram equalisation vips_hist_local()
hist_match Match two histograms vips_hist_match()
hist_norm Normalise histogram vips_hist_norm()
hist_plot Plot histogram vips_hist_plot()
hough_circle Find hough circle transform vips_hough_circle()
hough_line Find hough line transform vips_hough_line()
icc_export Output to device with icc profile vips_icc_export()
icc_import Import from device with icc profile vips_icc_import()
icc_transform Transform between devices with icc profiles vips_icc_transform()
identity Make a 1d image where pixel values are indexes vips_identity()
ifthenelse Ifthenelse an image vips_ifthenelse()
insert Insert image sub into main at x, y vips_insert()
invert Invert an image vips_invert()
invertlut Build an inverted look-up table vips_invertlut()
invfft Inverse fft vips_invfft()
join Join a pair of images vips_join()
jp2kload Load jpeg2000 image vips_jp2kload()
jp2kload_buffer Load jpeg2000 image vips_jp2kload_buffer()
jp2kload_source Load jpeg2000 image vips_jp2kload_source()
jp2ksave Save image in jpeg2000 format vips_jp2ksave()
jp2ksave_buffer Save image in jpeg2000 format vips_jp2ksave_buffer()
jp2ksave_target Save image in jpeg2000 format vips_jp2ksave_target()
jpegload Load jpeg from file vips_jpegload()
jpegload_buffer Load jpeg from buffer vips_jpegload_buffer()
jpegload_source Load image from jpeg source vips_jpegload_source()
jpegsave Save image to jpeg file vips_jpegsave()
jpegsave_buffer Save image to jpeg buffer vips_jpegsave_buffer()
jpegsave_mime Save image to jpeg mime vips_jpegsave_mime()
jpegsave_target Save image to jpeg target vips_jpegsave_target()
jxlload Load jpeg-xl image vips_jxlload()
jxlload_buffer Load jpeg-xl image vips_jxlload_buffer()
jxlload_source Load jpeg-xl image vips_jxlload_source()
jxlsave Save image in jpeg-xl format vips_jxlsave()
jxlsave_buffer Save image in jpeg-xl format vips_jxlsave_buffer()
jxlsave_target Save image in jpeg-xl format vips_jxlsave_target()
labelregions Label regions in an image vips_labelregions()
linear Calculate (a * in + b) vips_linear(), vips_linear1()
linecache Cache an image as a set of lines vips_linecache()
logmat Make a laplacian of gaussian image vips_logmat()
magickload Load file with imagemagick vips_magickload()
magickload_buffer Load buffer with imagemagick vips_magickload_buffer()
magicksave Save file with imagemagick vips_magicksave()
magicksave_buffer Save image to magick buffer vips_magicksave_buffer()
mapim Resample with a map image vips_mapim()
maplut Map an image though a lut vips_maplut()
mask_butterworth Make a butterworth filter vips_mask_butterworth()
mask_butterworth_band Make a butterworth_band filter vips_mask_butterworth_band()
mask_butterworth_ring Make a butterworth ring filter vips_mask_butterworth_ring()
mask_fractal Make fractal filter vips_mask_fractal()
mask_gaussian Make a gaussian filter vips_mask_gaussian()
mask_gaussian_band Make a gaussian filter vips_mask_gaussian_band()
mask_gaussian_ring Make a gaussian ring filter vips_mask_gaussian_ring()
mask_ideal Make an ideal filter vips_mask_ideal()
mask_ideal_band Make an ideal band filter vips_mask_ideal_band()
mask_ideal_ring Make an ideal ring filter vips_mask_ideal_ring()
match First-order match of two images vips_match()
math Apply a math operation to an image vips_math(), vips_sin(), vips_cos(), vips_tan(), vips_asin(), vips_acos(), vips_atan(), vips_sinh(), vips_cosh(), vips_tanh(), vips_asinh(), vips_acosh(), vips_atanh(), vips_exp(), vips_exp10(), vips_log(), vips_log10()
math2 Binary math operations vips_math2(), vips_pow(), vips_wop(), vips_atan2()
math2_const Binary math operations with a constant vips_math2_const(), vips_andimage_const(), vips_orimage_const(), vips_eorimage_const(), vips_lshift_const(), vips_rshift_const(), vips_math2_const1(), vips_andimage_const1(), vips_orimage_const1(), vips_eorimage_const1(), vips_lshift_const1(), vips_rshift_const1()
matload Load mat from file vips_matload()
matrixinvert Invert an matrix vips_matrixinvert()
matrixload Load matrix vips_matrixload()
matrixload_source Load matrix vips_matrixload_source()
matrixprint Print matrix vips_matrixprint()
matrixsave Save image to matrix vips_matrixsave()
matrixsave_target Save image to matrix vips_matrixsave_target()
max Find image maximum vips_max()
measure Measure a set of patches on a color chart vips_measure()
merge Merge two images vips_merge()
min Find image minimum vips_min()
morph Morphology operation vips_morph()
mosaic Mosaic two images vips_mosaic()
mosaic1 First-order mosaic of two images vips_mosaic1()
msb Pick most-significant byte from an image vips_msb()
multiply Multiply two images vips_multiply()
niftiload Load nifti volume vips_niftiload()
niftiload_source Load nifti volumes vips_niftiload_source()
niftisave Save image to nifti file vips_niftisave()
openexrload Load an openexr image vips_openexrload()
openslideload Load file with openslide vips_openslideload()
openslideload_source Load source with openslide vips_openslideload_source()
pdfload Load pdf from file vips_pdfload()
pdfload_buffer Load pdf from buffer vips_pdfload_buffer()
pdfload_source Load pdf from source vips_pdfload_source()
percent Find threshold for percent of pixels vips_percent()
perlin Make a perlin noise image vips_perlin()
phasecor Calculate phase correlation vips_phasecor()
pngload Load png from file vips_pngload()
pngload_buffer Load png from buffer vips_pngload_buffer()
pngload_source Load png from source vips_pngload_source()
pngsave Save image to file as png vips_pngsave()
pngsave_buffer Save image to buffer as png vips_pngsave_buffer()
pngsave_target Save image to target as png vips_pngsave_target()
ppmload Load ppm from file vips_ppmload()
ppmload_source Load ppm base class vips_ppmload_source()
ppmsave Save image to ppm file vips_ppmsave()
ppmsave_target Save to ppm vips_ppmsave_target()
premultiply Premultiply image alpha vips_premultiply()
profile Find image profiles vips_profile()
profile_load Load named icc profile vips_profile_load()
project Find image projections vips_project()
quadratic Resample an image with a quadratic transform vips_quadratic()
rad2float Unpack radiance coding to float rgb vips_rad2float()
radload Load a radiance image from a file vips_radload()
radload_buffer Load rad from buffer vips_radload_buffer()
radload_source Load rad from source vips_radload_source()
radsave Save image to radiance file vips_radsave()
radsave_buffer Save image to radiance buffer vips_radsave_buffer()
radsave_target Save image to radiance target vips_radsave_target()
rank Rank filter vips_rank(), vips_median()
rawload Load raw data from a file vips_rawload()
rawsave Save image to raw file vips_rawsave()
rawsave_fd Write raw image to file descriptor vips_rawsave_fd()
recomb Linear recombination with matrix vips_recomb()
reduce Reduce an image vips_reduce()
reduceh Shrink an image horizontally vips_reduceh()
reducev Shrink an image vertically vips_reducev()
relational Relational operation on two images vips_relational(), vips_equal(), vips_notequal(), vips_less(), vips_lesseq(), vips_more(), vips_moreeq()
relational_const Relational operations against a constant vips_relational_const(), vips_equal_const(), vips_notequal_const(), vips_less_const(), vips_lesseq_const(), vips_more_const(), vips_moreeq_const(), vips_relational_const1(), vips_equal_const1(), vips_notequal_const1(), vips_less_const1(), vips_lesseq_const1(), vips_more_const1(), vips_moreeq_const1()
remainder Remainder after integer division of two images vips_remainder()
remainder_const Remainder after integer division of an image and a constant vips_remainder_const(), vips_remainder_const1()
replicate Replicate an image vips_replicate()
resize Resize an image vips_resize()
rot Rotate an image vips_rot()
rot45 Rotate an image vips_rot45()
rotate Rotate an image by a number of degrees vips_rotate()
round Perform a round function on an image vips_round(), vips_floor(), vips_ceil(), vips_rint()
sRGB2HSV Transform srgb to hsv vips_sRGB2HSV()
sRGB2scRGB Convert an srgb image to scrgb vips_sRGB2scRGB()
scRGB2BW Convert scrgb to bw vips_scRGB2BW()
scRGB2XYZ Transform scrgb to xyz vips_scRGB2XYZ()
scRGB2sRGB Convert an scrgb image to srgb vips_scRGB2sRGB()
scale Scale an image to uchar vips_scale()
sequential Check sequential access vips_sequential()
sharpen Unsharp masking for print vips_sharpen()
shrink Shrink an image vips_shrink()
shrinkh Shrink an image horizontally vips_shrinkh()
shrinkv Shrink an image vertically vips_shrinkv()
sign Unit vector of pixel vips_sign()
similarity Similarity transform of an image vips_similarity()
sines Make a 2d sine wave vips_sines()
smartcrop Extract an area from an image vips_smartcrop()
sobel Sobel edge detector vips_sobel()
spcor Spatial correlation vips_spcor()
spectrum Make displayable power spectrum vips_spectrum()
stats Find many image stats vips_stats()
stdif Statistical difference vips_stdif()
subsample Subsample an image vips_subsample()
subtract Subtract two images vips_subtract()
sum Sum an array of images vips_sum()
svgload Load svg with rsvg vips_svgload()
svgload_buffer Load svg with rsvg vips_svgload_buffer()
svgload_source Load svg from source vips_svgload_source()
switch Find the index of the first non-zero pixel in tests vips_switch()
system Run an external command vips_system()
text Make a text image vips_text()
thumbnail Generate thumbnail from file vips_thumbnail()
thumbnail_buffer Generate thumbnail from buffer vips_thumbnail_buffer()
thumbnail_image Generate thumbnail from image vips_thumbnail_image()
thumbnail_source Generate thumbnail from source vips_thumbnail_source()
tiffload Load tiff from file vips_tiffload()
tiffload_buffer Load tiff from buffer vips_tiffload_buffer()
tiffload_source Load tiff from source vips_tiffload_source()
tiffsave Save image to tiff file vips_tiffsave()
tiffsave_buffer Save image to tiff buffer vips_tiffsave_buffer()
tiffsave_target Save image to tiff target vips_tiffsave_target()
tilecache Cache an image as a set of tiles vips_tilecache()
tonelut Build a look-up table vips_tonelut()
transpose3d Transpose3d an image vips_transpose3d()
unpremultiply Unpremultiply image alpha vips_unpremultiply()
vipsload Load vips from file vips_vipsload()
vipsload_source Load vips from source vips_vipsload_source()
vipssave Save image to file in vips format vips_vipssave()
vipssave_target Save image to target in vips format vips_vipssave_target()
webpload Load webp from file vips_webpload()
webpload_buffer Load webp from buffer vips_webpload_buffer()
webpload_source Load webp from source vips_webpload_source()
webpsave Save image to webp file vips_webpsave()
webpsave_buffer Save image to webp buffer vips_webpsave_buffer()
webpsave_target Save image to webp target vips_webpsave_target()
worley Make a worley noise image vips_worley()
wrap Wrap image origin vips_wrap()
xyz Make an image where pixel values are coordinates vips_xyz()
zone Make a zone plate vips_zone()
zoom Zoom an image vips_zoom()


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