Constructor

VipsImagegrey

Declaration [src]

int
vips_grey (
  VipsImage** out,
  int width,
  int height,
  ...
)

Description [src]

Create a one-band float image with the left-most column zero and the right-most 1.

Intermediate pixels are a linear ramp.

Set uchar to output a uchar image with the leftmost pixel 0 and the rightmost 255.

::: tip “Optional arguments” * uchar: gboolean, output a uchar image

::: seealso vips_xyz(), vips_identity().

Parameters

out VipsImage
 

Output image.

 The argument will be set by the function.
 The called function takes ownership of the data, and is responsible for freeing it.
width int
 

Image size.

height int
 

Image size.

... none
 

NULL-terminated list of optional named arguments.

Return value

Returns: int
 

0 on success, -1 on error.