gdkPixbufSaveToCallback: gdkPixbufSaveToCallback

Description Usage Arguments Details Value Author(s)

View source: R/gdkManuals.R

Description

Saves pixbuf in format type by feeding the produced data to a callback. Can be used when you want to store the image to something other than a file, such as an in-memory buffer or a socket. If error is set, FALSE will be returned. Possible errors include those in the GDK_PIXBUF_ERROR domain and whatever the save function generates.

Usage

1
2
gdkPixbufSaveToCallback(object, save.func, user.data, type, ..., 
    .errwarn = TRUE)

Arguments

object

a GdkPixbuf.

save.func

a function that is called to save each block of data that the save routine generates.

user.data

user data to pass to the save function.

type

name of file format.

...

whether an error was set

.errwarn

Whether to issue a warning on error or fail silently

Details

See gdkPixbufSave for more details. Since 2.4

Value

A list containing the following elements:

retval

[logical] whether an error was set

error

return location for error, or NULL. [ allow-none ]

Author(s)

Derived by RGtkGen from GTK+ documentation


RGtk2 documentation built on Oct. 14, 2021, 5:08 p.m.