Method

VipsRegionposition

Declaration [src]

int
vips_region_position (
  VipsRegion* reg,
  int x,
  int y
)

Description [src]

Set the position of a region. This only affects reg->valid, ie. the way pixels are addressed, not reg->data, the pixels which are addressed. Clip against the size of the image. Do not allow negative positions, or positions outside the image.

Parameters

x

Type: int

Position to move to.

y

Type: int

Position to move to.

Return value

Type: int

0 on success, or -1 for error.