Function
Vipscheck_matrix
Declaration [src]
int
vips_check_matrix (
const char* domain,
VipsImage* im,
VipsImage** out
)
Description [src]
Matrix images must have width and height less than 100000 and have 1 band.
Return 0 if the image will pass as a matrix, or -1 and set an error message otherwise.
out is set to be im cast to double and stored in memory. Use
VIPS_MATRIX() to address values in out.
You must unref out when you are done with it.
See also: VIPS_MATRIX(), vips_object_local()
Parameters
domain |
const char* |
The originating domain for the error message. |
|
| The data is owned by the caller of the function. | |
| The value is a NUL terminated UTF-8 string. | |
im |
VipsImage |
Image to check. |
|
| The data is owned by the caller of the function. | |
out |
VipsImage |
Put image as in-memory doubles here. |
|
| The argument will be set by the function. | |
| The called function takes ownership of the data, and is responsible for freeing it. |