Method
VipsImagehist_plot
Declaration [src]
int
vips_hist_plot (
VipsImage* in,
VipsImage** out,
...
)
Description [src]
Plot a 1 by any or any by 1 image file as a max by any or any by max image using these rules:
unsigned char max is always 256
other unsigned integer types output 0 - maximum
value of in
.
signed int types min moved to 0, max moved to max + min.
float types min moved to 0, max moved to any (square output).
This method is not directly available to language bindings.
Parameters
out
-
Type:
VipsImage
Output image.
The argument will be set by the function. The caller of the method takes ownership of the returned data, and is responsible for freeing it. ...
-
Type:
NULL
-terminated list of optional named arguments.