Struct vizia_core::vg::RefHandle

pub struct RefHandle<N>(/* private fields */)
where
    N: NativeDrop;

A wrapper type that represents a native type with a pointer to the native object.

Implementations

impl RefHandle<SkDrawable_GpuDrawHandler>

pub fn draw(&mut self, info: &Handle<GrBackendDrawableInfo>)

impl RefHandle<SkImageGenerator>

pub fn unique_id(&self) -> u32

pub fn encoded_data(&mut self) -> Option<RCHandle<SkData>>

pub fn info(&self) -> &Handle<SkImageInfo>

pub fn is_valid( &self, context: Option<&mut RCHandle<GrRecordingContext>>, ) -> bool

pub fn is_protected(self) -> bool

pub fn get_pixels( &mut self, info: &Handle<SkImageInfo>, pixels: &mut [u8], row_bytes: usize, ) -> bool

pub fn query_yuva_info( &self, supported_data_types: &Handle<SkYUVAPixmapInfo_SupportedDataTypes>, ) -> Option<Handle<SkYUVAPixmapInfo>>

pub fn is_texture_generator(&self) -> bool

pub fn from_encoded( _encoded: impl Into<RCHandle<SkData>>, ) -> Option<RefHandle<SkImageGenerator>>

👎Deprecated since 0.64.0: Removed, will return None. Use Image::deferred_from_encoded_data() or Codec::from_data()

impl RefHandle<GrBackendTexture>

pub unsafe fn new_gl( _: (i32, i32), mipmapped: skgpu_Mipmapped, gl_info: TextureInfo, ) -> RefHandle<GrBackendTexture>

👎Deprecated since 0.67.0: use gpu::backend_textures::make_gl()

pub unsafe fn new_gl_with_label( _: (i32, i32), mipmapped: skgpu_Mipmapped, gl_info: TextureInfo, label: impl AsRef<str>, ) -> RefHandle<GrBackendTexture>

👎Deprecated since 0.67.0: use gpu::backend_textures::make_gl()

pub fn dimensions(&self) -> ISize

pub fn width(&self) -> i32

pub fn height(&self) -> i32

pub fn label(&self) -> &str

pub fn mipmapped(&self) -> skgpu_Mipmapped

pub fn has_mip_maps(&self) -> bool

👎Deprecated since 0.35.0: Use has_mipmaps()

pub fn has_mipmaps(&self) -> bool

pub fn backend(&self) -> GrBackendApi

pub fn gl_texture_info(&self) -> Option<TextureInfo>

pub fn gl_texture_parameters_modified(&mut self)

pub fn backend_format(&self) -> Handle<GrBackendFormat>

pub fn set_mutable_state(&mut self, state: &RCHandle<skgpu_MutableTextureState>)

pub fn is_protected(&self) -> bool

pub fn is_valid(&self) -> bool

👎Deprecated since 0.37.0: Invalid BackendTextures aren’t supported

pub fn is_same_texture(&mut self, texture: &RefHandle<GrBackendTexture>) -> bool

impl RefHandle<skia_textlayout_Paragraph>

pub fn max_width(&self) -> f32

pub fn height(&self) -> f32

pub fn min_intrinsic_width(&self) -> f32

pub fn max_intrinsic_width(&self) -> f32

pub fn alphabetic_baseline(&self) -> f32

pub fn ideographic_baseline(&self) -> f32

pub fn longest_line(&self) -> f32

pub fn did_exceed_max_lines(&self) -> bool

pub fn layout(&mut self, width: f32)

pub fn paint(&self, canvas: &Canvas, p: impl Into<Point>)

pub fn get_rects_for_range( &self, range: Range<usize>, rect_height_style: RectHeightStyle, rect_width_style: RectWidthStyle, ) -> Vec<TextBox>

Returns a vector of bounding boxes that enclose all text between start and end glyph indexes, including start and excluding end

pub fn get_rects_for_placeholders(&self) -> Vec<TextBox>

pub fn get_glyph_position_at_coordinate( &self, p: impl Into<Point>, ) -> skia_textlayout_PositionWithAffinity

Returns the index of the glyph that corresponds to the provided coordinate, with the top left corner as the origin, and +y direction as down

pub fn get_word_boundary(&self, offset: u32) -> Range<usize>

Finds the first and last glyphs that define a word containing the glyph at index offset

pub fn get_line_metrics(&self) -> Vec<LineMetrics<'_>>

pub fn line_number(&self) -> usize

pub fn mark_dirty(&mut self)

pub fn unresolved_glyphs(&mut self) -> Option<usize>

This function will return the number of unresolved glyphs or None if not applicable (has not been shaped yet - valid case)

pub fn unresolved_codepoints(&mut self) -> Vec<i32>

pub fn visit<'a, F>(&mut self, visitor: F)

where F: FnMut(usize, Option<&'a Handle<skia_textlayout_Paragraph_VisitorInfo>>),

pub fn extended_visit<'a, F>(&mut self, visitor: F)

where F: FnMut(usize, Option<&'a Handle<skia_textlayout_Paragraph_ExtendedVisitorInfo>>),

pub fn get_path_at(&mut self, line_number: usize) -> (usize, Handle<SkPath>)

Returns path for a given line

• line_number - a line number
• dest - a resulting path Returns: a number glyphs that could not be converted to path

pub fn get_path(text_blob: &mut RCHandle<SkTextBlob>) -> Handle<SkPath>

Returns path for a text blob

• text_blob - a text blob Returns: a path

pub fn contains_emoji(&mut self, text_blob: &mut RCHandle<SkTextBlob>) -> bool

Checks if a given text blob contains glyph with emoji

• text_blob - a text blob Returns: true if there is such a glyph

pub fn contains_color_font_or_bitmap( &mut self, text_blob: &mut RCHandle<SkTextBlob>, ) -> bool

Checks if a given text blob contains colored font or bitmap

• text_blob - a text blob Returns: true if there is such a glyph

pub fn get_line_number_at(&self, code_unit_index: usize) -> Option<usize>

Finds the line number of the line that contains the given UTF-8 index.

• index - a UTF-8 TextIndex into the paragraph Returns: the line number the glyph that corresponds to the given code_unit_index is in, or -1 if the code_unit_index is out of bounds, or when the glyph is truncated or ellipsized away.

pub fn get_line_number_at_utf16_offset( &self, code_unit_index: usize, ) -> Option<usize>

Finds the line number of the line that contains the given UTF-16 index.

• index - a UTF-16 offset into the paragraph Returns: the line number the glyph that corresponds to the given code_unit_index is in, or -1 if the code_unit_index is out of bounds, or when the glyph is truncated or ellipsized away.

pub fn get_line_metrics_at(&self, line_number: usize) -> Option<LineMetrics<'_>>

Returns line metrics info for the line

• line_number - a line number
• line_metrics - an address to return the info (in case of null just skipped) Returns: true if the line is found; false if not

pub fn get_actual_text_range( &self, line_number: usize, include_spaces: bool, ) -> Range<usize>

Returns the visible text on the line (excluding a possible ellipsis)

• line_number - a line number
• include_spaces - indicates if the whitespaces should be included Returns: the range of the text that is shown in the line

pub fn get_glyph_cluster_at( &self, code_unit_index: usize, ) -> Option<GlyphClusterInfo>

Finds a glyph cluster for text index

• code_unit_index - a text index
• glyph_info - a glyph cluster info filled if not null Returns: true if glyph cluster was found; false if not

pub fn get_closest_glyph_cluster_at( &self, d: impl Into<Point>, ) -> Option<GlyphClusterInfo>

Finds the closest glyph cluster for a visual text position

• dx - x coordinate
• dy - y coordinate
• glyph_info - a glyph cluster info filled if not null Returns: true if glyph cluster was found; false if not (which usually means the paragraph is empty)

pub fn get_glyph_info_at_utf16_offset( &mut self, code_unit_index: usize, ) -> Option<GlyphInfo>

Retrieves the information associated with the glyph located at the given code_unit_index.

• code_unit_index - a UTF-16 offset into the paragraph
• glyph_info - an optional GlyphInfo struct to hold the information associated with the glyph found at the given index Returns: false only if the offset is out of bounds

pub fn get_closest_utf16_glyph_info_at( &mut self, d: impl Into<Point>, ) -> Option<GlyphInfo>

Finds the information associated with the closest glyph to the given paragraph coordinates.

• d - x/y coordinate
• glyph_info - an optional GlyphInfo struct to hold the information associated with the glyph found. The text indices and text ranges are described using UTF-16 offsets Returns: true if a grapheme cluster was found; false if not (which usually means the paragraph is empty)

pub fn get_font_at(&self, code_unit_index: usize) -> Handle<SkFont>

Returns the font that is used to shape the text at the position

• code_unit_index - text index Returns: font info or an empty font info if the text is not found

pub fn get_font_at_utf16_offset( &mut self, code_unit_index: usize, ) -> Handle<SkFont>

Returns the font used to shape the text at the given UTF-16 offset.

• code_unit_index - a UTF-16 offset in the paragraph Returns: font info or an empty font info if the text is not found

pub fn get_fonts(&self) -> Vec<FontInfo>

Returns the information about all the fonts used to shape the paragraph text

Returns: a list of fonts and text ranges

impl RefHandle<skia_textlayout_ParagraphBuilder>

pub fn push_style( &mut self, style: &Handle<skia_textlayout_TextStyle>, ) -> &mut RefHandle<skia_textlayout_ParagraphBuilder>

pub fn pop(&mut self) -> &mut RefHandle<skia_textlayout_ParagraphBuilder>

pub fn peek_style(&mut self) -> Handle<skia_textlayout_TextStyle>

pub fn add_text( &mut self, str: impl AsRef<str>, ) -> &mut RefHandle<skia_textlayout_ParagraphBuilder>

pub fn add_placeholder( &mut self, placeholder_style: &PlaceholderStyle, ) -> &mut RefHandle<skia_textlayout_ParagraphBuilder>

pub fn build(&mut self) -> RefHandle<skia_textlayout_Paragraph>

pub fn get_text(&mut self) -> &str

pub fn get_paragraph_style(&self) -> RefHandle<skia_textlayout_ParagraphStyle>

pub fn reset(&mut self)

pub fn new( style: &RefHandle<skia_textlayout_ParagraphStyle>, font_collection: impl Into<RCHandle<skia_textlayout_FontCollection>>, ) -> RefHandle<skia_textlayout_ParagraphBuilder>

impl RefHandle<skia_textlayout_ParagraphStyle>

pub fn new() -> RefHandle<skia_textlayout_ParagraphStyle>

pub fn strut_style(&self) -> &Handle<skia_textlayout_StrutStyle>

pub fn set_strut_style( &mut self, strut_style: Handle<skia_textlayout_StrutStyle>, ) -> &mut RefHandle<skia_textlayout_ParagraphStyle>

pub fn text_style(&self) -> &Handle<skia_textlayout_TextStyle>

pub fn set_text_style( &mut self, text_style: &Handle<skia_textlayout_TextStyle>, ) -> &mut RefHandle<skia_textlayout_ParagraphStyle>

pub fn text_direction(&self) -> skia_textlayout_TextDirection

pub fn set_text_direction( &mut self, direction: skia_textlayout_TextDirection, ) -> &mut RefHandle<skia_textlayout_ParagraphStyle>

pub fn text_align(&self) -> skia_textlayout_TextAlign

pub fn set_text_align( &mut self, align: skia_textlayout_TextAlign, ) -> &mut RefHandle<skia_textlayout_ParagraphStyle>

pub fn max_lines(&self) -> Option<usize>

pub fn set_max_lines( &mut self, lines: impl Into<Option<usize>>, ) -> &mut RefHandle<skia_textlayout_ParagraphStyle>

pub fn ellipsis(&self) -> &str

pub fn set_ellipsis( &mut self, ellipsis: impl AsRef<str>, ) -> &mut RefHandle<skia_textlayout_ParagraphStyle>

pub fn height(&self) -> f32

pub fn set_height( &mut self, height: f32, ) -> &mut RefHandle<skia_textlayout_ParagraphStyle>

pub fn text_height_behavior(&self) -> skia_textlayout_TextHeightBehavior

pub fn set_text_height_behavior( &mut self, v: skia_textlayout_TextHeightBehavior, ) -> &mut RefHandle<skia_textlayout_ParagraphStyle>

pub fn unlimited_lines(&self) -> bool

pub fn ellipsized(&self) -> bool

pub fn effective_align(&self) -> skia_textlayout_TextAlign

pub fn hinting_is_on(&self) -> bool

pub fn turn_hinting_off( &mut self, ) -> &mut RefHandle<skia_textlayout_ParagraphStyle>

pub fn replace_tab_characters(&self) -> bool

pub fn set_replace_tab_characters( &mut self, value: bool, ) -> &mut RefHandle<skia_textlayout_ParagraphStyle>

pub fn apply_rounding_hack(&self) -> bool

pub fn set_apply_rounding_hack( &mut self, value: bool, ) -> &mut RefHandle<skia_textlayout_ParagraphStyle>

impl RefHandle<SkShaper>

pub fn new_primitive() -> RefHandle<SkShaper>

👎Deprecated since 0.74.0: use shapers::primitive::primitive_text()

pub fn new_shaper_driven_wrapper( fallback_font_mgr: impl Into<Option<RCHandle<SkFontMgr>>>, ) -> Option<RefHandle<SkShaper>>

pub fn new_shape_then_wrap( fallback_font_mgr: impl Into<Option<RCHandle<SkFontMgr>>>, ) -> Option<RefHandle<SkShaper>>

pub fn new_shape_dont_wrap_or_reorder( fallback_font_mgr: impl Into<Option<RCHandle<SkFontMgr>>>, ) -> Option<RefHandle<SkShaper>>

👎Deprecated since 0.74.0: use shapers::hb::shape_dont_wrap_or_reorder()

pub fn purge_harf_buzz_cache()

pub fn new_core_text() -> Option<RefHandle<SkShaper>>

pub fn new( font_mgr: impl Into<Option<RCHandle<SkFontMgr>>>, ) -> RefHandle<SkShaper>

pub fn purge_caches()

impl RefHandle<SkShaper_FontRunIterator>

pub fn current_font(&self) -> &Handle<SkFont>

impl RefHandle<SkShaper>

pub fn new_font_mgr_run_iterator<'a>( utf8: &'a str, font: &Handle<SkFont>, fallback: impl Into<Option<RCHandle<SkFontMgr>>>, ) -> Borrows<'a, RefHandle<SkShaper_FontRunIterator>>

pub fn new_trivial_font_run_iterator( font: &Handle<SkFont>, utf8_bytes: usize, ) -> RefHandle<SkShaper_FontRunIterator>

impl RefHandle<SkShaper_BiDiRunIterator>

pub fn current_level(&self) -> u8

impl RefHandle<SkShaper>

pub fn new_bidi_run_iterator( utf8: &str, bidi_level: u8, ) -> Option<Borrows<'_, RefHandle<SkShaper_BiDiRunIterator>>>

pub fn new_icu_bidi_run_iterator( utf8: &str, level: u8, ) -> Option<Borrows<'_, RefHandle<SkShaper_BiDiRunIterator>>>

pub fn new_trivial_bidi_run_iterator( bidi_level: u8, utf8_bytes: usize, ) -> RefHandle<SkShaper_BiDiRunIterator>

👎Deprecated since 0.74.0: use shapers::primitive::trivial_bidi_run_iterator()

impl RefHandle<SkShaper_ScriptRunIterator>

pub fn current_script(&self) -> FourByteTag

impl RefHandle<SkShaper>

pub fn new_script_run_iterator( utf8: &str, script: FourByteTag, ) -> Borrows<'_, RefHandle<SkShaper_ScriptRunIterator>>

pub fn new_hb_icu_script_run_iterator( utf8: &str, ) -> Borrows<'_, RefHandle<SkShaper_ScriptRunIterator>>

pub fn new_trivial_script_run_iterator( bidi_level: u8, utf8_bytes: usize, ) -> RefHandle<SkShaper_ScriptRunIterator>

👎Deprecated since 0.74.0: use shapers::primitive::trivial_script_run_iterator

impl RefHandle<SkShaper_LanguageRunIterator>

pub fn current_language(&self) -> &CStr

impl RefHandle<SkShaper>

pub fn new_std_language_run_iterator( utf8: &str, ) -> Option<RefHandle<SkShaper_LanguageRunIterator>>

pub fn new_trivial_language_run_iterator( language: impl AsRef<str>, utf8_bytes: usize, ) -> RefHandle<SkShaper_LanguageRunIterator>

impl RefHandle<SkShaper>

pub fn shape<'a, 'b>( &self, utf8: &str, font: &Handle<SkFont>, left_to_right: bool, width: f32, run_handler: &'b mut impl AsRunHandler<'a>, )

where 'b: 'a,

pub fn shape_with_iterators<'a, 'b>( &self, utf8: &str, font_run_iterator: &mut RefHandle<SkShaper_FontRunIterator>, bidi_run_iterator: &mut RefHandle<SkShaper_BiDiRunIterator>, script_run_iterator: &mut RefHandle<SkShaper_ScriptRunIterator>, language_run_iterator: &mut RefHandle<SkShaper_LanguageRunIterator>, width: f32, run_handler: &'b mut impl AsRunHandler<'a>, )

where 'b: 'a,

pub fn shape_with_iterators_and_features<'a, 'b>( &self, utf8: &str, font_run_iterator: &mut RefHandle<SkShaper_FontRunIterator>, bidi_run_iterator: &mut RefHandle<SkShaper_BiDiRunIterator>, script_run_iterator: &mut RefHandle<SkShaper_ScriptRunIterator>, language_run_iterator: &mut RefHandle<SkShaper_LanguageRunIterator>, features: &[SkShaper_Feature], width: f32, run_handler: &'b mut impl AsRunHandler<'a>, )

where 'b: 'a,

impl RefHandle<SkShaper>

pub fn shape_text_blob( &self, text: &str, font: &Handle<SkFont>, left_to_right: bool, width: f32, offset: impl Into<Point>, ) -> Option<(RCHandle<SkTextBlob>, Point)>

impl RefHandle<Sk3DView>

pub fn new() -> RefHandle<Sk3DView>

pub fn save(&mut self) -> &mut RefHandle<Sk3DView>

pub fn restore(&mut self) -> &mut RefHandle<Sk3DView>

pub fn translate(&mut self, d: impl Into<V3>) -> &mut RefHandle<Sk3DView>

pub fn rotate_x(&mut self, deg: f32) -> &mut RefHandle<Sk3DView>

pub fn rotate_y(&mut self, deg: f32) -> &mut RefHandle<Sk3DView>

pub fn rotate_z(&mut self, deg: f32) -> &mut RefHandle<Sk3DView>

pub fn matrix(&self) -> Matrix

pub fn apply_to_canvas(&self, canvas: &Canvas) -> &RefHandle<Sk3DView>

pub fn dot_with_normal(&self, d: impl Into<V3>) -> f32

Trait Implementations

impl Clone for RefHandle<GrBackendTexture>

fn clone(&self) -> RefHandle<GrBackendTexture>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Clone for RefHandle<skia_textlayout_ParagraphStyle>

fn clone(&self) -> RefHandle<skia_textlayout_ParagraphStyle>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for RefHandle<GrBackendTexture>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Debug for RefHandle<Sk3DView>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Debug for RefHandle<SkDrawable_GpuDrawHandler>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Debug for RefHandle<SkImageGenerator>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Debug for RefHandle<SkShaper>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Debug for RefHandle<SkShaper_BiDiRunIterator>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Debug for RefHandle<SkShaper_FontRunIterator>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Debug for RefHandle<SkShaper_LanguageRunIterator>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Debug for RefHandle<SkShaper_ScriptRunIterator>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Debug for RefHandle<SkTypeface_LocalizedStrings>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Debug for RefHandle<skia_textlayout_Paragraph>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Debug for RefHandle<skia_textlayout_ParagraphBuilder>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Debug for RefHandle<skia_textlayout_ParagraphStyle>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for RefHandle<Sk3DView>

fn default() -> RefHandle<Sk3DView>

Returns the “default value” for a type.

impl Default for RefHandle<SkShaper>

fn default() -> RefHandle<SkShaper>

Returns the “default value” for a type.

impl Default for RefHandle<skia_textlayout_ParagraphStyle>

fn default() -> RefHandle<skia_textlayout_ParagraphStyle>

Returns the “default value” for a type.

impl<N> Drop for RefHandle<N>

where N: NativeDrop,

fn drop(&mut self)

Executes the destructor for this type.

impl Iterator for RefHandle<SkTypeface_LocalizedStrings>

type Item = LocalizedString

The type of the elements being iterated over.

fn next( &mut self, ) -> Option<<RefHandle<SkTypeface_LocalizedStrings> as Iterator>::Item>

Advances the iterator and returns the next value.

fn next_chunk<const N: usize>( &mut self, ) -> Result<[Self::Item; N], IntoIter<Self::Item, N>>

where Self: Sized,

🔬This is a nightly-only experimental API. (iter_next_chunk)

Advances the iterator and returns an array containing the next N values.

fn size_hint(&self) -> (usize, Option<usize>)

Returns the bounds on the remaining length of the iterator.

fn count(self) -> usize

where Self: Sized,

Consumes the iterator, counting the number of iterations and returning it.

fn last(self) -> Option<Self::Item>

where Self: Sized,

Consumes the iterator, returning the last element.

fn advance_by(&mut self, n: usize) -> Result<(), NonZero<usize>>

🔬This is a nightly-only experimental API. (iter_advance_by)

Advances the iterator by n elements.

fn nth(&mut self, n: usize) -> Option<Self::Item>

Returns the nth element of the iterator.

fn step_by(self, step: usize) -> StepBy<Self>

where Self: Sized,

Creates an iterator starting at the same point, but stepping by the given amount at each iteration.

fn chain<U>(self, other: U) -> Chain<Self, <U as IntoIterator>::IntoIter>

where Self: Sized, U: IntoIterator<Item = Self::Item>,

Takes two iterators and creates a new iterator over both in sequence.

fn zip<U>(self, other: U) -> Zip<Self, <U as IntoIterator>::IntoIter>

where Self: Sized, U: IntoIterator,

‘Zips up’ two iterators into a single iterator of pairs.

fn intersperse(self, separator: Self::Item) -> Intersperse<Self>

where Self: Sized, Self::Item: Clone,

🔬This is a nightly-only experimental API. (iter_intersperse)

Creates a new iterator which places a copy of separator between adjacent items of the original iterator.

fn intersperse_with<G>(self, separator: G) -> IntersperseWith<Self, G>

where Self: Sized, G: FnMut() -> Self::Item,

🔬This is a nightly-only experimental API. (iter_intersperse)

Creates a new iterator which places an item generated by separator between adjacent items of the original iterator.

fn map<B, F>(self, f: F) -> Map<Self, F>

where Self: Sized, F: FnMut(Self::Item) -> B,

Takes a closure and creates an iterator which calls that closure on each element.

fn for_each<F>(self, f: F)

where Self: Sized, F: FnMut(Self::Item),

Calls a closure on each element of an iterator.

fn filter<P>(self, predicate: P) -> Filter<Self, P>

where Self: Sized, P: FnMut(&Self::Item) -> bool,

Creates an iterator which uses a closure to determine if an element should be yielded.

fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F>

where Self: Sized, F: FnMut(Self::Item) -> Option<B>,

Creates an iterator that both filters and maps.

fn enumerate(self) -> Enumerate<Self>

where Self: Sized,

Creates an iterator which gives the current iteration count as well as the next value.

fn peekable(self) -> Peekable<Self>

where Self: Sized,

Creates an iterator which can use the peek and peek_mut methods to look at the next element of the iterator without consuming it. See their documentation for more information.

fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>

where Self: Sized, P: FnMut(&Self::Item) -> bool,

Creates an iterator that skips elements based on a predicate.

fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>

where Self: Sized, P: FnMut(&Self::Item) -> bool,

Creates an iterator that yields elements based on a predicate.

fn map_while<B, P>(self, predicate: P) -> MapWhile<Self, P>

where Self: Sized, P: FnMut(Self::Item) -> Option<B>,

Creates an iterator that both yields elements based on a predicate and maps.

fn skip(self, n: usize) -> Skip<Self>

where Self: Sized,

Creates an iterator that skips the first n elements.

fn take(self, n: usize) -> Take<Self>

where Self: Sized,

Creates an iterator that yields the first n elements, or fewer if the underlying iterator ends sooner.

fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F>

where Self: Sized, F: FnMut(&mut St, Self::Item) -> Option<B>,

An iterator adapter which, like fold, holds internal state, but unlike fold, produces a new iterator.

fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>

where Self: Sized, U: IntoIterator, F: FnMut(Self::Item) -> U,

Creates an iterator that works like map, but flattens nested structure.

fn map_windows<F, R, const N: usize>(self, f: F) -> MapWindows<Self, F, N>

where Self: Sized, F: FnMut(&[Self::Item; N]) -> R,

🔬This is a nightly-only experimental API. (iter_map_windows)

Calls the given function f for each contiguous window of size N over self and returns an iterator over the outputs of f. Like slice::windows(), the windows during mapping overlap as well.

fn fuse(self) -> Fuse<Self>

where Self: Sized,

Creates an iterator which ends after the first None.

fn inspect<F>(self, f: F) -> Inspect<Self, F>

where Self: Sized, F: FnMut(&Self::Item),

Does something with each element of an iterator, passing the value on.

fn by_ref(&mut self) -> &mut Self

where Self: Sized,

Borrows an iterator, rather than consuming it.

fn collect<B>(self) -> B

where B: FromIterator<Self::Item>, Self: Sized,

Transforms an iterator into a collection.

fn collect_into<E>(self, collection: &mut E) -> &mut E

where E: Extend<Self::Item>, Self: Sized,

🔬This is a nightly-only experimental API. (iter_collect_into)

Collects all the items from an iterator into a collection.

fn partition<B, F>(self, f: F) -> (B, B)

where Self: Sized, B: Default + Extend<Self::Item>, F: FnMut(&Self::Item) -> bool,

Consumes an iterator, creating two collections from it.

fn is_partitioned<P>(self, predicate: P) -> bool

where Self: Sized, P: FnMut(Self::Item) -> bool,

🔬This is a nightly-only experimental API. (iter_is_partitioned)

Checks if the elements of this iterator are partitioned according to the given predicate, such that all those that return true precede all those that return false.

fn try_fold<B, F, R>(&mut self, init: B, f: F) -> R

where Self: Sized, F: FnMut(B, Self::Item) -> R, R: Try<Output = B>,

An iterator method that applies a function as long as it returns successfully, producing a single, final value.

fn try_for_each<F, R>(&mut self, f: F) -> R

where Self: Sized, F: FnMut(Self::Item) -> R, R: Try<Output = ()>,

An iterator method that applies a fallible function to each item in the iterator, stopping at the first error and returning that error.

fn fold<B, F>(self, init: B, f: F) -> B

where Self: Sized, F: FnMut(B, Self::Item) -> B,

Folds every element into an accumulator by applying an operation, returning the final result.

fn reduce<F>(self, f: F) -> Option<Self::Item>

where Self: Sized, F: FnMut(Self::Item, Self::Item) -> Self::Item,

Reduces the elements to a single one, by repeatedly applying a reducing operation.

fn try_reduce<R>( &mut self, f: impl FnMut(Self::Item, Self::Item) -> R, ) -> <<R as Try>::Residual as Residual<Option<<R as Try>::Output>>>::TryType

where Self: Sized, R: Try<Output = Self::Item>, <R as Try>::Residual: Residual<Option<Self::Item>>,

🔬This is a nightly-only experimental API. (iterator_try_reduce)

Reduces the elements to a single one by repeatedly applying a reducing operation. If the closure returns a failure, the failure is propagated back to the caller immediately.

fn all<F>(&mut self, f: F) -> bool

where Self: Sized, F: FnMut(Self::Item) -> bool,

Tests if every element of the iterator matches a predicate.

fn any<F>(&mut self, f: F) -> bool

where Self: Sized, F: FnMut(Self::Item) -> bool,

Tests if any element of the iterator matches a predicate.

fn find<P>(&mut self, predicate: P) -> Option<Self::Item>

where Self: Sized, P: FnMut(&Self::Item) -> bool,

Searches for an element of an iterator that satisfies a predicate.

fn find_map<B, F>(&mut self, f: F) -> Option<B>

where Self: Sized, F: FnMut(Self::Item) -> Option<B>,

Applies function to the elements of iterator and returns the first non-none result.

fn try_find<R>( &mut self, f: impl FnMut(&Self::Item) -> R, ) -> <<R as Try>::Residual as Residual<Option<Self::Item>>>::TryType

where Self: Sized, R: Try<Output = bool>, <R as Try>::Residual: Residual<Option<Self::Item>>,

🔬This is a nightly-only experimental API. (try_find)

Applies function to the elements of iterator and returns the first true result or the first error.

fn position<P>(&mut self, predicate: P) -> Option<usize>

where Self: Sized, P: FnMut(Self::Item) -> bool,

Searches for an element in an iterator, returning its index.

fn max_by_key<B, F>(self, f: F) -> Option<Self::Item>

where B: Ord, Self: Sized, F: FnMut(&Self::Item) -> B,

Returns the element that gives the maximum value from the specified function.

fn max_by<F>(self, compare: F) -> Option<Self::Item>

where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Returns the element that gives the maximum value with respect to the specified comparison function.

fn min_by_key<B, F>(self, f: F) -> Option<Self::Item>

where B: Ord, Self: Sized, F: FnMut(&Self::Item) -> B,

Returns the element that gives the minimum value from the specified function.

fn min_by<F>(self, compare: F) -> Option<Self::Item>

where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Returns the element that gives the minimum value with respect to the specified comparison function.

fn unzip<A, B, FromA, FromB>(self) -> (FromA, FromB)

where FromA: Default + Extend<A>, FromB: Default + Extend<B>, Self: Sized + Iterator<Item = (A, B)>,

Converts an iterator of pairs into a pair of containers.

fn copied<'a, T>(self) -> Copied<Self>

where T: 'a + Copy, Self: Sized + Iterator<Item = &'a T>,

Creates an iterator which copies all of its elements.

fn cloned<'a, T>(self) -> Cloned<Self>

where T: 'a + Clone, Self: Sized + Iterator<Item = &'a T>,

Creates an iterator which clones all of its elements.

fn array_chunks<const N: usize>(self) -> ArrayChunks<Self, N>

where Self: Sized,

🔬This is a nightly-only experimental API. (iter_array_chunks)

Returns an iterator over N elements of the iterator at a time.

fn sum<S>(self) -> S

where Self: Sized, S: Sum<Self::Item>,

Sums the elements of an iterator.

fn product<P>(self) -> P

where Self: Sized, P: Product<Self::Item>,

Iterates over the entire iterator, multiplying all the elements

fn cmp_by<I, F>(self, other: I, cmp: F) -> Ordering

where Self: Sized, I: IntoIterator, F: FnMut(Self::Item, <I as IntoIterator>::Item) -> Ordering,

🔬This is a nightly-only experimental API. (iter_order_by)

Lexicographically compares the elements of this Iterator with those of another with respect to the specified comparison function.

fn partial_cmp<I>(self, other: I) -> Option<Ordering>

where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>, Self: Sized,

Lexicographically compares the PartialOrd elements of this Iterator with those of another. The comparison works like short-circuit evaluation, returning a result without comparing the remaining elements. As soon as an order can be determined, the evaluation stops and a result is returned.

fn partial_cmp_by<I, F>(self, other: I, partial_cmp: F) -> Option<Ordering>

where Self: Sized, I: IntoIterator, F: FnMut(Self::Item, <I as IntoIterator>::Item) -> Option<Ordering>,

🔬This is a nightly-only experimental API. (iter_order_by)

Lexicographically compares the elements of this Iterator with those of another with respect to the specified comparison function.

fn eq<I>(self, other: I) -> bool

where I: IntoIterator, Self::Item: PartialEq<<I as IntoIterator>::Item>, Self: Sized,

Determines if the elements of this Iterator are equal to those of another.

fn eq_by<I, F>(self, other: I, eq: F) -> bool

where Self: Sized, I: IntoIterator, F: FnMut(Self::Item, <I as IntoIterator>::Item) -> bool,

🔬This is a nightly-only experimental API. (iter_order_by)

Determines if the elements of this Iterator are equal to those of another with respect to the specified equality function.

fn ne<I>(self, other: I) -> bool

where I: IntoIterator, Self::Item: PartialEq<<I as IntoIterator>::Item>, Self: Sized,

Determines if the elements of this Iterator are not equal to those of another.

fn lt<I>(self, other: I) -> bool

where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>, Self: Sized,

Determines if the elements of this Iterator are lexicographically less than those of another.

fn le<I>(self, other: I) -> bool

where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>, Self: Sized,

Determines if the elements of this Iterator are lexicographically less or equal to those of another.

fn gt<I>(self, other: I) -> bool

where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>, Self: Sized,

Determines if the elements of this Iterator are lexicographically greater than those of another.

fn ge<I>(self, other: I) -> bool

where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>, Self: Sized,

Determines if the elements of this Iterator are lexicographically greater than or equal to those of another.

fn is_sorted_by<F>(self, compare: F) -> bool

where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> bool,

🔬This is a nightly-only experimental API. (is_sorted)

Checks if the elements of this iterator are sorted using the given comparator function.

fn is_sorted_by_key<F, K>(self, f: F) -> bool

where Self: Sized, F: FnMut(Self::Item) -> K, K: PartialOrd,

🔬This is a nightly-only experimental API. (is_sorted)

Checks if the elements of this iterator are sorted using the given key extraction function.

impl<N> PartialEq for RefHandle<N>

where N: NativeDrop + NativePartialEq,

fn eq(&self, rhs: &RefHandle<N>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<N> PointerWrapper<N> for RefHandle<N>

where N: NativeDrop,

fn wrap(ptr: *mut N) -> Option<RefHandle<N>>

Wraps a native pointer into a wrapper type. Returns None if the pointer is null.

fn unwrap(self) -> *mut N

Unwraps the wrapper type into the native pointer.

fn inner(&self) -> &N

Access the wrapped pointer.

fn inner_mut(&mut self) -> &mut N

Access the wrapped pointer.

impl<T> RunIterator for RefHandle<T>

where T: NativeDrop + NativeBase<SkShaper_RunIterator>,

fn consume(&mut self)

fn end_of_current_run(&self) -> usize

fn at_end(&self) -> bool

impl Send for RefHandle<GrBackendTexture>

impl Send for RefHandle<Sk3DView>

impl Send for RefHandle<SkImageGenerator>

impl Send for RefHandle<SkShaper>

impl Send for RefHandle<skia_textlayout_ParagraphBuilder>

impl Send for RefHandle<skia_textlayout_ParagraphStyle>

impl Sync for RefHandle<GrBackendTexture>

impl Sync for RefHandle<Sk3DView>

impl Sync for RefHandle<SkImageGenerator>

impl Sync for RefHandle<SkShaper>

impl Sync for RefHandle<skia_textlayout_ParagraphBuilder>

impl Sync for RefHandle<skia_textlayout_ParagraphStyle>