Struct gdk4::MemoryTexture 
source · #[repr(transparent)]pub struct MemoryTexture { /* private fields */ }Expand description
A Texture representing image data in memory.
Implements
TextureExt, PaintableExt, gio::prelude::IconExt, gio::prelude::LoadableIconExt, TextureExtManual
Implementations§
source§impl MemoryTexture
 
impl MemoryTexture
sourcepub fn new(
    width: i32,
    height: i32,
    format: MemoryFormat,
    bytes: &Bytes,
    stride: usize
) -> MemoryTexture
 
pub fn new( width: i32, height: i32, format: MemoryFormat, bytes: &Bytes, stride: usize ) -> MemoryTexture
Creates a new texture for a blob of image data.
The GBytes must contain @stride × @height pixels
in the given format.
width
the width of the texture
height
the height of the texture
format
the format of the data
bytes
the GBytes containing the pixel data
stride
rowstride for the data
Returns
A newly-created Texture
Trait Implementations§
source§impl Clone for MemoryTexture
 
impl Clone for MemoryTexture
source§impl Debug for MemoryTexture
 
impl Debug for MemoryTexture
source§impl Display for MemoryTexture
 
impl Display for MemoryTexture
source§impl HasParamSpec for MemoryTexture
 
impl HasParamSpec for MemoryTexture
type ParamSpec = ParamSpecObject
§type SetValue = MemoryTexture
 
type SetValue = MemoryTexture
Preferred value to be used as setter for the associated ParamSpec.
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, MemoryTexture>
fn param_spec_builder() -> Self::BuilderFn
source§impl Hash for MemoryTexture
 
impl Hash for MemoryTexture
source§impl Ord for MemoryTexture
 
impl Ord for MemoryTexture
source§impl ParentClassIs for MemoryTexture
 
impl ParentClassIs for MemoryTexture
source§impl<OT: ObjectType> PartialEq<OT> for MemoryTexture
 
impl<OT: ObjectType> PartialEq<OT> for MemoryTexture
source§impl<OT: ObjectType> PartialOrd<OT> for MemoryTexture
 
impl<OT: ObjectType> PartialOrd<OT> for MemoryTexture
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
 
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for 
self and other) and is used by the <=
operator. Read moresource§impl StaticType for MemoryTexture
 
impl StaticType for MemoryTexture
source§fn static_type() -> Type
 
fn static_type() -> Type
Returns the type identifier of 
Self.impl Eq for MemoryTexture
impl IsA<Icon> for MemoryTexture
impl IsA<LoadableIcon> for MemoryTexture
impl IsA<Paintable> for MemoryTexture
impl IsA<Texture> for MemoryTexture
impl Send for MemoryTexture
impl Sync for MemoryTexture
Auto Trait Implementations§
impl RefUnwindSafe for MemoryTexture
impl Unpin for MemoryTexture
impl UnwindSafe for MemoryTexture
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impl<T> BorrowMut<T> for Twhere T: ?Sized,
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Mutably borrows from an owned value. Read more
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impl<T> Cast for Twhere T: ObjectType,
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    F: FnOnce() + 'static,
 
fn add_weak_ref_notify_local<F>(&self, f: F) -> WeakRefNotify<T>where F: FnOnce() + 'static,
Add a callback to be notified when the Object is disposed. Read more
source§fn bind_property<'f, 't, O, 'a>(
    &'a self,
    source_property: &'a str,
    target: &'a O,
    target_property: &'a str
) -> BindingBuilder<'a, 'f, 't>where
    O: ObjectType,
 
fn bind_property<'f, 't, O, 'a>( &'a self, source_property: &'a str, target: &'a O, target_property: &'a str ) -> BindingBuilder<'a, 'f, 't>where O: ObjectType,
source§unsafe fn run_dispose(&self)
 
unsafe fn run_dispose(&self)
Runs the dispose mechanism of the object. Read more
source§impl<O> PaintableExt for Owhere
    O: IsA<Paintable>,
 
impl<O> PaintableExt for Owhere O: IsA<Paintable>,
source§fn compute_concrete_size(
    &self,
    specified_width: f64,
    specified_height: f64,
    default_width: f64,
    default_height: f64
) -> (f64, f64)
 
fn compute_concrete_size( &self, specified_width: f64, specified_height: f64, default_width: f64, default_height: f64 ) -> (f64, f64)
source§fn current_image(&self) -> Paintable
 
fn current_image(&self) -> Paintable
Gets an immutable paintable for the current contents displayed by @self. Read more
source§fn flags(&self) -> PaintableFlags
 
fn flags(&self) -> PaintableFlags
Get flags for the paintable. Read more
source§fn intrinsic_aspect_ratio(&self) -> f64
 
fn intrinsic_aspect_ratio(&self) -> f64
Gets the preferred aspect ratio the @self would like to be displayed at. Read more
source§fn intrinsic_height(&self) -> i32
 
fn intrinsic_height(&self) -> i32
Gets the preferred height the @self would like to be displayed at. Read more
source§fn intrinsic_width(&self) -> i32
 
fn intrinsic_width(&self) -> i32
Gets the preferred width the @self would like to be displayed at. Read more
source§fn invalidate_contents(&self)
 
fn invalidate_contents(&self)
source§fn invalidate_size(&self)
 
fn invalidate_size(&self)
source§fn snapshot(&self, snapshot: &impl IsA<Snapshot>, width: f64, height: f64)
 
fn snapshot(&self, snapshot: &impl IsA<Snapshot>, width: f64, height: f64)
Snapshots the given paintable with the given @width and @height. Read more
source§fn connect_invalidate_contents<F: Fn(&Self) + 'static>(
    &self,
    f: F
) -> SignalHandlerId
 
fn connect_invalidate_contents<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
Emitted when the contents of the @paintable change. Read more
source§fn connect_invalidate_size<F: Fn(&Self) + 'static>(
    &self,
    f: F
) -> SignalHandlerId
 
fn connect_invalidate_size<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
Emitted when the intrinsic size of the @paintable changes. Read more
source§impl<T> PropertyGet for Twhere
    T: HasParamSpec,
 
impl<T> PropertyGet for Twhere T: HasParamSpec,
source§impl<T> StaticTypeExt for Twhere
    T: StaticType,
 
impl<T> StaticTypeExt for Twhere T: StaticType,
source§fn ensure_type()
 
fn ensure_type()
Ensures that the type has been registered with the type system.
source§impl<O> TextureExt for Owhere
    O: IsA<Texture>,
 
impl<O> TextureExt for Owhere O: IsA<Texture>,
source§fn format(&self) -> MemoryFormat
 
fn format(&self) -> MemoryFormat
Available on crate feature 
v4_10 only.Gets the memory format most closely associated with the data of
the texture. Read more
source§fn save_to_png(&self, filename: impl AsRef<Path>) -> Result<(), BoolError>
 
fn save_to_png(&self, filename: impl AsRef<Path>) -> Result<(), BoolError>
Store the given @self to the @filename as a PNG file. Read more
source§fn save_to_png_bytes(&self) -> Bytes
 
fn save_to_png_bytes(&self) -> Bytes
Available on crate feature 
v4_6 only.Store the given @self in memory as a PNG file. Read more
source§fn save_to_tiff(&self, filename: impl AsRef<Path>) -> Result<(), BoolError>
 
fn save_to_tiff(&self, filename: impl AsRef<Path>) -> Result<(), BoolError>
Available on crate feature 
v4_6 only.Store the given @self to the @filename as a TIFF file. Read more
source§fn save_to_tiff_bytes(&self) -> Bytes
 
fn save_to_tiff_bytes(&self) -> Bytes
Available on crate feature 
v4_6 only.Store the given @self in memory as a TIFF file. Read more
source§impl<O> TextureExtManual for Owhere
    O: IsA<Texture>,
 
impl<O> TextureExtManual for Owhere O: IsA<Texture>,
source§impl<T> ToSendValue for Twhere
    T: Send + ToValue + ?Sized,
 
impl<T> ToSendValue for Twhere T: Send + ToValue + ?Sized,
source§fn to_send_value(&self) -> SendValue
 
fn to_send_value(&self) -> SendValue
Returns a 
SendValue clone of self.