Files
godot-docs-l10n/classes/it/class_portablecompressedtexture2d.rst
Rémi Verschelde c3f2364c10 Sync classref with 4.6 branch
Lots of translations invalidated (fuzzied) as we just synced Weblate.
2025-12-19 16:39:51 +01:00

297 lines
17 KiB
ReStructuredText

:github_url: hide
.. _class_PortableCompressedTexture2D:
PortableCompressedTexture2D
===========================
**Eredita:** :ref:`Texture2D<class_Texture2D>` **<** :ref:`Texture<class_Texture>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
Fornisce una texture compressa per disco e/o VRAM in modo che sia portabile.
.. rst-class:: classref-introduction-group
Descrizione
----------------------
Questa classe consente di memorizzare texture compresse come risorse autonome (non importate).
Per l'utilizzo 2D (compresse su disco, non compresse in VRAM), sono consigliate le modalità lossy e lossless. Per l'utilizzo 3D (compresse in VRAM), dipende dalla piattaforma di destinazione.
Se intendi usare solo desktop, sono consigliati S3TC o BPTC. Per i dispositivi mobili, è consigliato ETC2.
Per texture 3D portatili e autonome che funzionano sia su desktop sia su dispositivi mobili, è consigliato Basis Universal (nonostante abbia un piccolo costo di qualità e un tempo di compressione più lungo come compromesso).
Questa risorsa è pensata per essere creata da codice.
.. rst-class:: classref-reftable-group
Proprietà
------------------
.. table::
:widths: auto
+-------------------------------+--------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`keep_compressed_buffer<class_PortableCompressedTexture2D_property_keep_compressed_buffer>` | ``false`` |
+-------------------------------+--------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | resource_local_to_scene | ``false`` (overrides :ref:`Resource<class_Resource_property_resource_local_to_scene>`) |
+-------------------------------+--------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`size_override<class_PortableCompressedTexture2D_property_size_override>` | ``Vector2(0, 0)`` |
+-------------------------------+--------------------------------------------------------------------------------------------------+----------------------------------------------------------------------------------------+
.. rst-class:: classref-reftable-group
Metodi
------------
.. table::
:widths: auto
+--------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`create_from_image<class_PortableCompressedTexture2D_method_create_from_image>`\ (\ image\: :ref:`Image<class_Image>`, compression_mode\: :ref:`CompressionMode<enum_PortableCompressedTexture2D_CompressionMode>`, normal_map\: :ref:`bool<class_bool>` = false, lossy_quality\: :ref:`float<class_float>` = 0.8\ ) |
+--------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`CompressionMode<enum_PortableCompressedTexture2D_CompressionMode>` | :ref:`get_compression_mode<class_PortableCompressedTexture2D_method_get_compression_mode>`\ (\ ) |const| |
+--------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Format<enum_Image_Format>` | :ref:`get_format<class_PortableCompressedTexture2D_method_get_format>`\ (\ ) |const| |
+--------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`is_keeping_all_compressed_buffers<class_PortableCompressedTexture2D_method_is_keeping_all_compressed_buffers>`\ (\ ) |static| |
+--------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_basisu_compressor_params<class_PortableCompressedTexture2D_method_set_basisu_compressor_params>`\ (\ uastc_level\: :ref:`int<class_int>`, rdo_quality_loss\: :ref:`float<class_float>`\ ) |
+--------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_keep_all_compressed_buffers<class_PortableCompressedTexture2D_method_set_keep_all_compressed_buffers>`\ (\ keep\: :ref:`bool<class_bool>`\ ) |static| |
+--------------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Enumerazioni
------------------------
.. _enum_PortableCompressedTexture2D_CompressionMode:
.. rst-class:: classref-enumeration
enum **CompressionMode**: :ref:`🔗<enum_PortableCompressedTexture2D_CompressionMode>`
.. _class_PortableCompressedTexture2D_constant_COMPRESSION_MODE_LOSSLESS:
.. rst-class:: classref-enumeration-constant
:ref:`CompressionMode<enum_PortableCompressedTexture2D_CompressionMode>` **COMPRESSION_MODE_LOSSLESS** = ``0``
.. container:: contribute
There is currently no description for this enum. Please help us by `contributing one <https://contributing.godotengine.org/en/latest/documentation/class_reference.html>`__!
.. _class_PortableCompressedTexture2D_constant_COMPRESSION_MODE_LOSSY:
.. rst-class:: classref-enumeration-constant
:ref:`CompressionMode<enum_PortableCompressedTexture2D_CompressionMode>` **COMPRESSION_MODE_LOSSY** = ``1``
.. container:: contribute
There is currently no description for this enum. Please help us by `contributing one <https://contributing.godotengine.org/en/latest/documentation/class_reference.html>`__!
.. _class_PortableCompressedTexture2D_constant_COMPRESSION_MODE_BASIS_UNIVERSAL:
.. rst-class:: classref-enumeration-constant
:ref:`CompressionMode<enum_PortableCompressedTexture2D_CompressionMode>` **COMPRESSION_MODE_BASIS_UNIVERSAL** = ``2``
.. container:: contribute
There is currently no description for this enum. Please help us by `contributing one <https://contributing.godotengine.org/en/latest/documentation/class_reference.html>`__!
.. _class_PortableCompressedTexture2D_constant_COMPRESSION_MODE_S3TC:
.. rst-class:: classref-enumeration-constant
:ref:`CompressionMode<enum_PortableCompressedTexture2D_CompressionMode>` **COMPRESSION_MODE_S3TC** = ``3``
.. container:: contribute
There is currently no description for this enum. Please help us by `contributing one <https://contributing.godotengine.org/en/latest/documentation/class_reference.html>`__!
.. _class_PortableCompressedTexture2D_constant_COMPRESSION_MODE_ETC2:
.. rst-class:: classref-enumeration-constant
:ref:`CompressionMode<enum_PortableCompressedTexture2D_CompressionMode>` **COMPRESSION_MODE_ETC2** = ``4``
.. container:: contribute
There is currently no description for this enum. Please help us by `contributing one <https://contributing.godotengine.org/en/latest/documentation/class_reference.html>`__!
.. _class_PortableCompressedTexture2D_constant_COMPRESSION_MODE_BPTC:
.. rst-class:: classref-enumeration-constant
:ref:`CompressionMode<enum_PortableCompressedTexture2D_CompressionMode>` **COMPRESSION_MODE_BPTC** = ``5``
.. container:: contribute
There is currently no description for this enum. Please help us by `contributing one <https://contributing.godotengine.org/en/latest/documentation/class_reference.html>`__!
.. _class_PortableCompressedTexture2D_constant_COMPRESSION_MODE_ASTC:
.. rst-class:: classref-enumeration-constant
:ref:`CompressionMode<enum_PortableCompressedTexture2D_CompressionMode>` **COMPRESSION_MODE_ASTC** = ``6``
.. container:: contribute
There is currently no description for this enum. Please help us by `contributing one <https://contributing.godotengine.org/en/latest/documentation/class_reference.html>`__!
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Descrizioni delle proprietà
------------------------------------------------------
.. _class_PortableCompressedTexture2D_property_keep_compressed_buffer:
.. rst-class:: classref-property
:ref:`bool<class_bool>` **keep_compressed_buffer** = ``false`` :ref:`🔗<class_PortableCompressedTexture2D_property_keep_compressed_buffer>`
.. rst-class:: classref-property-setget
- |void| **set_keep_compressed_buffer**\ (\ value\: :ref:`bool<class_bool>`\ )
- :ref:`bool<class_bool>` **is_keeping_compressed_buffer**\ (\ )
If ``true``, when running in the editor, this texture will keep the source-compressed data in memory, allowing the data to persist after loading. Otherwise, the source-compressed data is lost after loading and the texture can't be re-saved.
\ **Note:** This property must be set before :ref:`create_from_image()<class_PortableCompressedTexture2D_method_create_from_image>` for this to work.
.. rst-class:: classref-item-separator
----
.. _class_PortableCompressedTexture2D_property_size_override:
.. rst-class:: classref-property
:ref:`Vector2<class_Vector2>` **size_override** = ``Vector2(0, 0)`` :ref:`🔗<class_PortableCompressedTexture2D_property_size_override>`
.. rst-class:: classref-property-setget
- |void| **set_size_override**\ (\ value\: :ref:`Vector2<class_Vector2>`\ )
- :ref:`Vector2<class_Vector2>` **get_size_override**\ (\ )
Allows overriding the texture's size (for 2D only).
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Descrizioni dei metodi
--------------------------------------------
.. _class_PortableCompressedTexture2D_method_create_from_image:
.. rst-class:: classref-method
|void| **create_from_image**\ (\ image\: :ref:`Image<class_Image>`, compression_mode\: :ref:`CompressionMode<enum_PortableCompressedTexture2D_CompressionMode>`, normal_map\: :ref:`bool<class_bool>` = false, lossy_quality\: :ref:`float<class_float>` = 0.8\ ) :ref:`🔗<class_PortableCompressedTexture2D_method_create_from_image>`
Inizializza la texture compressa da un'immagine di base. Deve essere specificata la modalità di compressione.
\ ``normal_map`` è consigliato per garantire una qualità ottimale se questa immagine sarà utilizzata come mappa normale.
Se è richiesta una compressione con perdita di dati, è possibile fornire facoltativamente l'impostazione della qualità. Questo mappa la qualità di compressione Lossy WebP.
.. rst-class:: classref-item-separator
----
.. _class_PortableCompressedTexture2D_method_get_compression_mode:
.. rst-class:: classref-method
:ref:`CompressionMode<enum_PortableCompressedTexture2D_CompressionMode>` **get_compression_mode**\ (\ ) |const| :ref:`🔗<class_PortableCompressedTexture2D_method_get_compression_mode>`
Restituisce la modalità di compressione utilizzata (valida dopo l'inizializzazione).
.. rst-class:: classref-item-separator
----
.. _class_PortableCompressedTexture2D_method_get_format:
.. rst-class:: classref-method
:ref:`Format<enum_Image_Format>` **get_format**\ (\ ) |const| :ref:`🔗<class_PortableCompressedTexture2D_method_get_format>`
Restituisce il formato immagine utilizzato (valido dopo l'inizializzazione).
.. rst-class:: classref-item-separator
----
.. _class_PortableCompressedTexture2D_method_is_keeping_all_compressed_buffers:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **is_keeping_all_compressed_buffers**\ (\ ) |static| :ref:`🔗<class_PortableCompressedTexture2D_method_is_keeping_all_compressed_buffers>`
Returns ``true`` if the flag is overridden for all textures of this type.
.. rst-class:: classref-item-separator
----
.. _class_PortableCompressedTexture2D_method_set_basisu_compressor_params:
.. rst-class:: classref-method
|void| **set_basisu_compressor_params**\ (\ uastc_level\: :ref:`int<class_int>`, rdo_quality_loss\: :ref:`float<class_float>`\ ) :ref:`🔗<class_PortableCompressedTexture2D_method_set_basisu_compressor_params>`
Sets the compressor parameters for Basis Universal compression. See also the settings in :ref:`ResourceImporterTexture<class_ResourceImporterTexture>`.
\ **Note:** This method must be called before :ref:`create_from_image()<class_PortableCompressedTexture2D_method_create_from_image>` for this to work.
.. rst-class:: classref-item-separator
----
.. _class_PortableCompressedTexture2D_method_set_keep_all_compressed_buffers:
.. rst-class:: classref-method
|void| **set_keep_all_compressed_buffers**\ (\ keep\: :ref:`bool<class_bool>`\ ) |static| :ref:`🔗<class_PortableCompressedTexture2D_method_set_keep_all_compressed_buffers>`
If ``keep`` is ``true``, overrides the flag globally for all textures of this type. This is used primarily by the editor.
.. |virtual| replace:: :abbr:`virtual (Questo metodo dovrebbe solitamente essere sovrascritto dall'utente per aver un effetto.)`
.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
.. |const| replace:: :abbr:`const (Questo metodo non ha effetti collaterali. Non modifica alcuna variabile appartenente all'istanza.)`
.. |vararg| replace:: :abbr:`vararg (Questo metodo accetta qualsiasi numero di argomenti oltre a quelli descritti qui.)`
.. |constructor| replace:: :abbr:`constructor (Questo metodo è utilizzato per creare un tipo.)`
.. |static| replace:: :abbr:`static (Questo metodo non necessita di alcun'istanza per essere chiamato, quindi può essere chiamato direttamente usando il nome della classe.)`
.. |operator| replace:: :abbr:`operator (Questo metodo descrive un operatore valido da usare con questo tipo come operando di sinistra.)`
.. |bitfield| replace:: :abbr:`BitField (Questo valore è un intero composto da una maschera di bit dei seguenti flag.)`
.. |void| replace:: :abbr:`void (Nessun valore restituito.)`