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`	`VipsRegion`
	Region to test.
	The data is owned by the caller of the function.

Return value

Returns:	`int`
	Non-zero on equality.