gstreamermm
1.10.0
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An interface for adjusting color balance settings. More...
#include <gstreamermm/colorbalance.h>
Inherits Interface.
Public Member Functions | |
ColorBalance (ColorBalance&& src) noexcept | |
ColorBalance& | operator= (ColorBalance&& src) noexcept |
~ColorBalance () noexcept override | |
GstColorBalance* | gobj () |
Provides access to the underlying C GObject. More... | |
const GstColorBalance* | gobj () const |
Provides access to the underlying C GObject. More... | |
Glib::ListHandle< Glib::RefPtr< Gst::ColorBalanceChannel > > | list_channels () |
Retrieve a list of the available channels. More... | |
Glib::ListHandle< Glib::RefPtr< const Gst::ColorBalanceChannel > > | list_channels () const |
Retrieve a list of the available channels. More... | |
int | get_value (const Glib::RefPtr< const Gst::ColorBalanceChannel >& channel) const |
Retrieve the current value of the indicated channel, between min_value and max_value. More... | |
void | set_value (const Glib::RefPtr< Gst::ColorBalanceChannel >& channel, int value) |
Sets the current value of the channel to the passed value, which must be between min_value and max_value. More... | |
void | value_changed (const Glib::RefPtr< Gst::ColorBalanceChannel >& channel, int value) |
A helper function called by implementations of the GstColorBalance interface. More... | |
Gst::ColorBalanceType | get_balance_type () const |
Get the Gst::ColorBalanceType of this implementation. More... | |
Glib::SignalProxy< void, const Glib::RefPtr< Gst::ColorBalanceChannel >&, int > | signal_value_changed () |
virtual Glib::ListHandle< Glib::RefPtr< Gst::ColorBalanceChannel > > | list_channels_vfunc () const |
Lists the channels of the Gst::ColorBalance. More... | |
virtual void | set_value_vfunc (const Glib::RefPtr< Gst::ColorBalanceChannel >& channel, int value) |
Sets the value of a Gst::ColorBalanceChannel of the Gst::ColorBalance. More... | |
virtual int | get_value_vfunc (const Glib::RefPtr< const Gst::ColorBalanceChannel >& channel) const |
Gets the value of a Gst::ColorBalanceChannel of the Gst::ColorBalance. More... | |
virtual Gst::ColorBalanceType | get_balance_type_vfunc () |
Gets the implementation type. More... | |
Static Public Member Functions | |
static void | add_interface (GType gtype_implementer) |
static GType | get_type () |
Get the GType for this class, for use with the underlying GObject type system. More... | |
Protected Member Functions | |
ColorBalance () | |
You should derive from this class to use it. More... | |
virtual void | on_value_changed (const Glib::RefPtr< Gst::ColorBalanceChannel >& channel, int value) |
This is a default handler for the signal signal_value_changed(). More... | |
Related Functions | |
(Note that these are not member functions.) | |
Glib::RefPtr< Gst::ColorBalance > | wrap (GstColorBalance* object, bool take_copy=false) |
A Glib::wrap() method for this object. More... | |
An interface for adjusting color balance settings.
This interface is implemented by elements which can perform some color balance operation on video frames they process. For example, modifying the brightness, contrast, hue or saturation.
Example elements are 'xvimagesink' and 'colorbalance'.
Last reviewed on 2016-05-16 (1.8.0)
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protected |
You should derive from this class to use it.
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noexcept |
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overridenoexcept |
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static |
Gst::ColorBalanceType Gst::ColorBalance::get_balance_type | ( | ) | const |
Get the Gst::ColorBalanceType of this implementation.
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virtual |
Gets the implementation type.
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static |
Get the GType for this class, for use with the underlying GObject type system.
int Gst::ColorBalance::get_value | ( | const Glib::RefPtr< const Gst::ColorBalanceChannel >& | channel | ) | const |
Retrieve the current value of the indicated channel, between min_value and max_value.
See Also: The Gst::ColorBalanceChannel.min_value and Gst::ColorBalanceChannel.max_value members of the Gst::ColorBalanceChannel object.
channel | A Gst::ColorBalanceChannel instance. |
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virtual |
Gets the value of a Gst::ColorBalanceChannel of the Gst::ColorBalance.
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inline |
Provides access to the underlying C GObject.
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inline |
Provides access to the underlying C GObject.
Glib::ListHandle< Glib::RefPtr<Gst::ColorBalanceChannel> > Gst::ColorBalance::list_channels | ( | ) |
Retrieve a list of the available channels.
Glib::ListHandle< Glib::RefPtr<const Gst::ColorBalanceChannel> > Gst::ColorBalance::list_channels | ( | ) | const |
Retrieve a list of the available channels.
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virtual |
Lists the channels of the Gst::ColorBalance.
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protectedvirtual |
This is a default handler for the signal signal_value_changed().
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noexcept |
void Gst::ColorBalance::set_value | ( | const Glib::RefPtr< Gst::ColorBalanceChannel >& | channel, |
int | value | ||
) |
Sets the current value of the channel to the passed value, which must be between min_value and max_value.
See Also: The Gst::ColorBalanceChannel.min_value and Gst::ColorBalanceChannel.max_value members of the Gst::ColorBalanceChannel object.
channel | A Gst::ColorBalanceChannel instance. |
value | The new value for the channel. |
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virtual |
Sets the value of a Gst::ColorBalanceChannel of the Gst::ColorBalance.
Glib::SignalProxy< void,const Glib::RefPtr<Gst::ColorBalanceChannel>&,int > Gst::ColorBalance::signal_value_changed | ( | ) |
void on_my_value_changed(const Glib::RefPtr<Gst::ColorBalanceChannel>& channel, int value)
Fired when the value of the indicated channel has changed.
channel | The Gst::ColorBalanceChannel. |
value | The new value. |
void Gst::ColorBalance::value_changed | ( | const Glib::RefPtr< Gst::ColorBalanceChannel >& | channel, |
int | value | ||
) |
A helper function called by implementations of the GstColorBalance interface.
It fires the Gst::ColorBalance::signal_value_changed() signal on the instance, and the Gst::ColorBalanceChannel::signal_value_changed() signal on the channel object.
channel | A Gst::ColorBalanceChannel whose value has changed. |
value | The new value of the channel. |
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related |
A Glib::wrap() method for this object.
object | The C instance. |
take_copy | False if the result should take ownership of the C instance. True if it should take a new copy or ref. |