int
vips_rot (
VipsImage* in,
VipsImage** out,
VipsAngle angle,
...
)
Rotate in by a multiple of 90 degrees.
Use vips_similarity() to rotate by an arbitrary angle. vips_rot45() is useful for rotating convolution masks by 45 degrees.
This method is not directly available to language bindings.
Parametersout
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.angle
Type: VipsAngle
Rotation angle.
...
Type:
NULL-terminated list of optional named arguments.
Type: int
0 on success, -1 on error.
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