Method

VipsImageautorot

Declaration [src] 

int
vips_autorot (
  VipsImage* in,
  VipsImage** out,
  ...
)

Description [src]

Look at the image metadata and rotate and flip the image to make it upright. The VIPS_META_ORIENTATION tag is removed from out to prevent accidental double rotation.

Read angle to find the amount the image was rotated by. Read flip to see if the image was also flipped.

Optional arguments

  • angle: VipsAngle, output, the image was rotated by
  • flip: gboolean, output, whether the image was flipped.

This method 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 method takes ownership of the returned data, and is responsible for freeing it.
...

Type: 

NULL-terminated list of optional named arguments.

Return value

Type: int

0 on success, -1 on error.