Method

VipsImagelinear1

Declaration [src]

int
vips_linear1 (
  VipsImage* in,
  VipsImage** out,
  double a,
  double b,
  ...
)

Description [src]

Run vips_linear() with a single constant.

::: tip “Optional arguments” * uchar: gboolean, output uchar pixels

::: seealso vips_linear().

Parameters

out VipsImage
 

Output image.

 The argument will be set by the function.
 The instance takes ownership of the data, and is responsible for freeing it.
a double
 

Constant for multiplication.

b double
 

Constant for addition.

... none
 

NULL-terminated list of optional named arguments.

Return value

Returns: int
 

0 on success, -1 on error.