Method

VipsImagemath

Declaration [src]

int
vips_math (
  VipsImage* in,
  VipsImage** out,
  VipsOperationMath math,
  ...
)

Description [src]

Perform various functions in -lm, the maths library, on images.

Angles are expressed in degrees. The output type is float unless the input is double, in which case the output is double.

Non-complex images only.

::: seealso vips_math2().

Parameters

out VipsImage
 

Output VipsImage

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

Math operation to perform.

... none
 

NULL-terminated list of optional named arguments.

Return value

Returns: int
 

0 on success, -1 on error.