Gdk::DmabufTexture Class Reference

A Gdk::Texture representing a dma-buf object. More...

#include <gdkmm/dmabuftexture.h>

Inheritance diagram for Gdk::DmabufTexture:

Public Member Functions
	DmabufTexture (DmabufTexture && src) noexcept
DmabufTexture &	operator= (DmabufTexture && src) noexcept
	~DmabufTexture () noexcept override
GdkDmabufTexture *	gobj ()
	Provides access to the underlying C GObject.
const GdkDmabufTexture *	gobj () const
	Provides access to the underlying C GObject.
GdkDmabufTexture *	gobj_copy ()
	Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
Public Member Functions inherited from Gdk::Texture
	Texture (Texture && src) noexcept
Texture &	operator= (Texture && src) noexcept
	~Texture () noexcept override
GdkTexture *	gobj ()
	Provides access to the underlying C GObject.
const GdkTexture *	gobj () const
	Provides access to the underlying C GObject.
GdkTexture *	gobj_copy ()
	Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
int	get_width () const
	Returns the width of texture, in pixels.
int	get_height () const
	Returns the height of the texture, in pixels.
MemoryFormat	get_format () const
	Gets the memory format most closely associated with the data of the texture.
Glib::RefPtr< ColorState >	get_color_state () const
	Returns the color state associated with the texture.
void	download (guchar *data, gsize stride) const
	Downloads the texture into local memory.
bool	save_to_png (const Glib::ustring & filename) const
	Store the given texture to the filename as a PNG file.
Glib::RefPtr< Glib::Bytes >	save_to_png_bytes () const
	Store the given texture in memory as a PNG file.
bool	save_to_tiff (const std::string & filename) const
	Store the given texture to the filename as a TIFF file.
Glib::RefPtr< Glib::Bytes >	save_to_tiff_bytes () const
	Store the given texture in memory as a TIFF file.
Glib::PropertyProxy_ReadOnly< int >	property_width () const
	The width of the texture, in pixels.
Glib::PropertyProxy_ReadOnly< int >	property_height () const
	The height of the texture, in pixels.
Glib::PropertyProxy_ReadOnly< Glib::RefPtr< ColorState > >	property_color_state () const
	The color state of the texture.
Public Member Functions inherited from Glib::Object
	Object (const Object &)=delete
Object &	operator= (const Object &)=delete
	Object (Object &&src) noexcept
Object &	operator= (Object &&src) noexcept
void *	get_data (const QueryQuark &key)
void	set_data (const Quark &key, void *data)
void	set_data_with_c_callback (const Quark &key, void *data, GDestroyNotify notify)
void	set_data (const Quark &key, void *data, DestroyNotify notify)
void	remove_data (const QueryQuark &quark)
void *	steal_data (const QueryQuark &quark)
Glib::RefPtr< Glib::Object >	wrap (GObject *object, bool take_copy=false)
Public Member Functions inherited from Glib::ObjectBase
	ObjectBase (const ObjectBase &)=delete
ObjectBase &	operator= (const ObjectBase &)=delete
void	set_property_value (const Glib::ustring &property_name, const Glib::ValueBase &value)
void	get_property_value (const Glib::ustring &property_name, Glib::ValueBase &value) const
void	set_property (const Glib::ustring &property_name, const PropertyType &value)
void	get_property (const Glib::ustring &property_name, PropertyType &value) const
PropertyType	get_property (const Glib::ustring &property_name) const
sigc::connection	connect_property_changed (const Glib::ustring &property_name, const sigc::slot< void()> &slot)
sigc::connection	connect_property_changed (const Glib::ustring &property_name, sigc::slot< void()> &&slot)
void	freeze_notify ()
void	thaw_notify ()
virtual void	reference () const
virtual void	unreference () const
GObject *	gobj ()
const GObject *	gobj () const
GObject *	gobj_copy () const
Public Member Functions inherited from sigc::trackable
	trackable () noexcept
	trackable (const trackable &src) noexcept
	trackable (trackable &&src) noexcept
	~trackable ()
void	add_destroy_notify_callback (notifiable *data, func_destroy_notify func) const
void	notify_callbacks ()
trackable &	operator= (const trackable &src)
trackable &	operator= (trackable &&src) noexcept
void	remove_destroy_notify_callback (notifiable *data) const
Public Member Functions inherited from Gdk::Paintable
	Paintable (Paintable && src) noexcept
Paintable &	operator= (Paintable && src) noexcept
	~Paintable () noexcept override
GdkPaintable *	gobj ()
	Provides access to the underlying C GObject.
const GdkPaintable *	gobj () const
	Provides access to the underlying C GObject.
void	snapshot (const Glib::RefPtr< Gdk::Snapshot > & snapshot, double width, double height)
	Snapshots the given paintable with the given width and height.
Glib::RefPtr< const Paintable >	get_current_image () const
	Gets an immutable paintable for the current contents displayed by paintable.
Flags	get_flags () const
	Get flags for the paintable.
int	get_intrinsic_width () const
	Gets the preferred width the paintable would like to be displayed at.
int	get_intrinsic_height () const
	Gets the preferred height the paintable would like to be displayed at.
double	get_intrinsic_aspect_ratio () const
	Gets the preferred aspect ratio the paintable would like to be displayed at.
void	compute_concrete_size (double specified_width, double specified_height, double default_width, double default_height, double & concrete_width, double & concrete_height) const
	Compute a concrete size for the Gdk::Paintable.
void	invalidate_contents ()
	Called by implementations of Gdk::Paintable to invalidate their contents.
void	invalidate_size ()
	Called by implementations of Gdk::Paintable to invalidate their size.
Glib::SignalProxy< void()>	signal_invalidate_contents ()
Glib::SignalProxy< void()>	signal_invalidate_size ()
Public Member Functions inherited from Glib::Interface
	Interface ()
	Interface (Interface &&src) noexcept
Interface &	operator= (Interface &&src) noexcept
	Interface (const Glib::Interface_Class &interface_class)
	Interface (GObject *castitem)
	~Interface () noexcept override
	Interface (const Interface &)=delete
Interface &	operator= (const Interface &)=delete
GObject *	gobj ()
const GObject *	gobj () const

Static Public Member Functions
static GType	get_type ()
	Get the GType for this class, for use with the underlying GObject type system.
Static Public Member Functions inherited from Gdk::Texture
static GType	get_type ()
	Get the GType for this class, for use with the underlying GObject type system.
static Glib::RefPtr< Texture >	create_for_pixbuf (const Glib::RefPtr< Pixbuf > & pixbuf)
	Creates a new texture object representing the Gdk::Pixbuf.
static Glib::RefPtr< Texture >	create_from_resource (const std::string & resource_path)
	Creates a new texture by loading an image from a resource.
static Glib::RefPtr< Texture >	create_from_file (const Glib::RefPtr< Gio::File > & file)
	Creates a new texture by loading an image from a file.
static Glib::RefPtr< Texture >	create_from_filename (const std::string & path)
	Creates a new texture by loading an image from a file.
static Glib::RefPtr< Texture >	create_from_bytes (const Glib::RefPtr< const Glib::Bytes > & bytes)
	Creates a new texture by loading an image from memory,.
Static Public Member Functions inherited from Gdk::Paintable
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.

Protected Member Functions
	DmabufTexture ()
Protected Member Functions inherited from Gdk::Texture
	Texture ()
Protected Member Functions inherited from Glib::Object
	Object ()
	Object (const Glib::ConstructParams &construct_params)
	Object (GObject *castitem)
	~Object () noexcept override
Protected Member Functions inherited from Glib::ObjectBase
	ObjectBase ()
	ObjectBase (const char *custom_type_name)
	ObjectBase (const std::type_info &custom_type_info)
	ObjectBase (ObjectBase &&src) noexcept
ObjectBase &	operator= (ObjectBase &&src) noexcept
virtual	~ObjectBase () noexcept=0
void	initialize (GObject *castitem)
void	initialize_move (GObject *castitem, Glib::ObjectBase *previous_wrapper)
Protected Member Functions inherited from Gdk::Paintable
	Paintable ()
	You should derive from this class to use it.
virtual void	snapshot_vfunc (const Glib::RefPtr< Gdk::Snapshot > &snapshot, double width, double height)
virtual Glib::RefPtr< Paintable >	get_current_image_vfunc () const
virtual Flags	get_flags_vfunc () const
virtual int	get_intrinsic_width_vfunc () const
virtual int	get_intrinsic_height_vfunc () const
virtual double	get_intrinsic_aspect_ratio_vfunc () const

Related Symbols
(Note that these are not member symbols.)
Glib::RefPtr< Gdk::DmabufTexture >	wrap (GdkDmabufTexture * object, bool take_copy=false)
	A Glib::wrap() method for this object.
Related Symbols inherited from Gdk::Texture
Glib::RefPtr< Gdk::Texture >	wrap (GdkTexture * object, bool take_copy=false)
	A Glib::wrap() method for this object.
Related Symbols inherited from Gdk::Paintable
Glib::RefPtr< Gdk::Paintable >	wrap (GdkPaintable * object, bool take_copy=false)
	A Glib::wrap() method for this object.

Additional Inherited Members
Public Types inherited from Glib::Object
typedef void(*)(gpointer data	DestroyNotify)
Public Types inherited from sigc::trackable
typedef internal::func_destroy_notify	func_destroy_notify
Public Types inherited from sigc::notifiable
typedef internal::func_destroy_notify	func_destroy_notify
Public Types inherited from Gdk::Paintable
enum class	Flags {   Flags::STATIC_SIZE = 1 << 0 ,   Flags::STATIC_CONTENTS = 1 << 1 }
	Flags about a paintable object. More...

Detailed Description

A Gdk::Texture representing a dma-buf object.

To create a Gdk::DmabufTexture, use the auxiliary Gdk::DmabufTextureBuilder object.

Dma-buf textures can only be created on Linux.

Since gtkmm 4.14:

Constructor & Destructor Documentation

DmabufTexture() [1/2]

Gdk::DmabufTexture::DmabufTexture ( DmabufTexture &&  src )

noexcept

~DmabufTexture()

Gdk::DmabufTexture::~DmabufTexture ( )

overridenoexcept

DmabufTexture() [2/2]

Gdk::DmabufTexture::DmabufTexture ( )

protected

Member Function Documentation

get_type()

static GType Gdk::DmabufTexture::get_type ( )

static

Get the GType for this class, for use with the underlying GObject type system.

gobj() [1/2]

GdkDmabufTexture * Gdk::DmabufTexture::gobj ( )

inline

Provides access to the underlying C GObject.

gobj() [2/2]

const GdkDmabufTexture * Gdk::DmabufTexture::gobj ( ) const

inline

Provides access to the underlying C GObject.

gobj_copy()

GdkDmabufTexture * Gdk::DmabufTexture::gobj_copy

(

)

Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.

operator=()

DmabufTexture & Gdk::DmabufTexture::operator= ( DmabufTexture &&  src )

noexcept

Friends And Related Symbol Documentation

wrap()

Glib::RefPtr< Gdk::DmabufTexture > wrap ( GdkDmabufTexture *  object, bool  take_copy = false  )

related

A Glib::wrap() method for this object.

Parameters

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.

Returns

A C++ instance that wraps this C instance.