Method

PhoshDBusDisplayConfigcall_get_crtc_gamma_sync

Declaration [src] 

gboolean
phosh_dbus_display_config_call_get_crtc_gamma_sync (
  PhoshDBusDisplayConfig* proxy,
  guint arg_serial,
  guint arg_crtc,
  GVariant** out_red,
  GVariant** out_green,
  GVariant** out_blue,
  GCancellable* cancellable,
  GError** error
)

Description [src]

Synchronously invokes the GetCrtcGamma() D-Bus method on proxy. The calling thread is blocked until a reply is received.

See phosh_dbus_display_config_call_get_crtc_gamma() for the asynchronous version of this method.

Parameters

arg_serial

Type: guint

Argument to pass with the method invocation.

arg_crtc

Type: guint

Argument to pass with the method invocation.

out_red

Type: GVariant

Return location for return parameter or NULL to ignore.

The argument will be set by the function.
The argument can be NULL.
The caller of the method takes ownership of the returned data, and is responsible for freeing it.
out_green

Type: GVariant

Return location for return parameter or NULL to ignore.

The argument will be set by the function.
The argument can be NULL.
The caller of the method takes ownership of the returned data, and is responsible for freeing it.
out_blue

Type: GVariant

Return location for return parameter or NULL to ignore.

The argument will be set by the function.
The argument can be NULL.
The caller of the method takes ownership of the returned data, and is responsible for freeing it.
cancellable

Type: GCancellable

A GCancellable or NULL.

The argument can be NULL.
The data is owned by the caller of the method.
error

Type: GError **

The return location for a recoverable error.

The argument can be NULL.
If the return location is not NULL, then you must initialize it to a NULL GError*.
The argument will be left initialized to NULL by the method if there are no errors.
In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.

Return value

Type: gboolean

TRUE if the call succeeded, FALSE if error is set.