Method

VipsRegionequalsregion

Declaration [src]

int
vips_region_equalsregion (
  VipsRegion* reg1,
  VipsRegion* reg2
)

Description [src]

Do two regions point to the same piece of image? ie.

    VIPS_REGION_ADDR(reg1, x, y) == VIPS_REGION_ADDR(reg2, x, y) &&
    *VIPS_REGION_ADDR(reg1, x, y) ==
        *VIPS_REGION_ADDR(reg2, x, y) for all x, y, reg1, reg2.

Parameters

reg2

Type: VipsRegion

Region to test.

The data is owned by the caller of the method.

Return value

Type: int

Non-zero on equality.