Constructor
VipsImageperlin
Declaration [src]
int
vips_perlin (
VipsImage** out,
int width,
int height,
...
)
Description [src]
Optional arguments:
cell_size: %gint, size of Perlin cellsuchar: output a uchar image
Create a one-band float image of Perlin noise. See:
https://en.wikipedia.org/wiki/Perlin_noise
Use cell_size to set the size of the cells from which the image is
constructed. The default is 256 x 256.
If width and height are multiples of cell_size, the image will tessellate.
Normally, output pixels are #VIPS_FORMAT_FLOAT in the range [-1, +1]. Set
uchar to output a uchar image with pixels in [0, 255].
See also: vips_worley(), vips_fractsurf(), vips_gaussnoise().
This constructor is not directly available to language bindings.
Parameters
out-
Type:
VipsImageOutput 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:
intHorizontal size.
height-
Type:
intVertical size.
...-
Type:
NULL-terminated list of optional named arguments.