gtkmm 4.14.0
Public Member Functions | Static Public Member Functions | Protected Member Functions | Related Symbols | List of all members
Gdk::DmabufTexture Class Reference

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

#include <gdkmm/dmabuftexture.h>

Inheritance diagram for Gdk::DmabufTexture:
Inheritance graph
[legend]

Public Member Functions

 DmabufTexture (DmabufTexture && src) noexcept
 
DmabufTextureoperator= (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
 
Textureoperator= (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.
 
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.
 
- Public Member Functions inherited from Gdk::Paintable
 Paintable (Paintable && src) noexcept
 
Paintableoperator= (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 Paintableget_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 ()
 

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< Texturecreate_for_pixbuf (const Glib::RefPtr< Pixbuf > & pixbuf)
 Creates a new texture object representing the Gdk::Pixbuf.
 
static Glib::RefPtr< Texturecreate_from_resource (const std::string & resource_path)
 Creates a new texture by loading an image from a resource.
 
static Glib::RefPtr< Texturecreate_from_file (const Glib::RefPtr< Gio::File > & file)
 Creates a new texture by loading an image from a file.
 
static Glib::RefPtr< Texturecreate_from_filename (const std::string & path)
 Creates a new texture by loading an image from a file.
 
static Glib::RefPtr< Texturecreate_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 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< Paintableget_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::DmabufTexturewrap (GdkDmabufTexture * object, bool take_copy=false)
 A Glib::wrap() method for this object.
 

Additional Inherited Members

- Public Types inherited from Gdk::Paintable
enum class  Flags {
  STATIC_SIZE = 1 << 0 ,
  STATIC_CONTENTS = 1 << 1
}
 

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
objectThe C instance.
take_copyFalse 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.