Method
VipsRegionfetch
Declaration [src]
VipsPel*
vips_region_fetch (
VipsRegion* region,
int left,
int top,
int width,
int height,
size_t* len
)
Description [src]
Generate an area of pixels and return a copy. The result must be freed
with g_free(). The requested area must be completely inside the image.
This is equivalent to vips_region_prepare(), followed by a memcpy. It is
convenient for language bindings.
Parameters
left-
Type:
intArea of pixels to fetch.
top-
Type:
intArea of pixels to fetch.
width-
Type:
intArea of pixels to fetch.
height-
Type:
intArea of pixels to fetch.
len-
Type:
size_t*No description available.
The data is owned by the caller of the method.
Return value
Type: VipsPel
A copy of the pixel data.
| The returned data is owned by the instance. |