Method
VipsImagegetpoint
Declaration [src]
int
vips_getpoint (
VipsImage* in,
double** vector,
int* n,
int x,
int y,
...
)
Description [src]
Reads a single pixel on an image.
The pixel values are returned in vector, the length of the
array in n. You must free the array with g_free() when you are done with it.
The result array has an element for each band. If unpack_complex is set,
pixels in complex images are returned as double-length arrays.
See also
This method is not directly available to language bindings.
Parameters
vector-
Type: An array of
double*Output pixel value here.
The argument will be set by the function. The length of the array is specified in the nargument.The caller of the method takes ownership of the returned data, and is responsible for freeing it. n-
Type:
int*Length of output vector.
The argument will be set by the function. x-
Type:
intPosition to read.
y-
Type:
intPosition to read.
...-
Type:
NULL-terminated list of optional named arguments.