Vips.Image.mask_gaussian_band (original) (raw)
Constructor
VipsImagemask_gaussian_band
Declaration [src]
int
vips_mask_gaussian_band (
VipsImage** out,
int width,
int height,
double frequency_cutoff_x,
double frequency_cutoff_y,
double radius,
double amplitude_cutoff,
...
)
Description [src]
Make a gaussian band-pass or band-reject filter, that is, one with a variable, smooth transition positioned at frequency_cutoff_x,frequency_cutoff_y, of radius radius.
Optional arguments
nodc:gboolean, don’t set the DC pixelreject:gboolean, invert the filter senseoptical:gboolean, coordinates in optical spaceuchar:gboolean, output a uchar image
This constructor is not directly available to language bindings.
Parameters
out
Type: VipsImage
Output image.
| The argument will be set by the function. |
|---|
| The caller of the function takes ownership of the returned data, and is responsible for freeing it. |
width
Type: int
Image size.
height
Type: int
Image size.
frequency_cutoff_x
Type: double
Band position.
frequency_cutoff_y
Type: double
Band position.
radius
Type: double
Band radius.
amplitude_cutoff
Type: double
Amplitude threshold.
...
Type: ``
NULL-terminated list of optional named arguments.
Return value
Type: int
0 on success, -1 on error.