Vips.Image.perlin (original) (raw)
Constructor
VipsImageperlin
Declaration [src]
int
vips_perlin (
VipsImage** out,
int width,
int height,
...
)
Description [src]
Create a one-band float image of 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].
Optional arguments
cell_size:gint, size of Perlin cellsuchar: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
Horizontal size.
height
Type: int
Vertical size.
...
Type: ``
NULL-terminated list of optional named arguments.
Return value
Type: int
0 on success, -1 on error.