Struct SymbolLayout

pub struct SymbolLayout {

    pub layer_paint_properties: BTreeMap<String, LayerProperties>,
    pub bucket_leader_id: String,
    pub symbol_instances: Vec<SymbolInstance>,
    pub sort_key_ranges: Vec<SortKeyRange>,
    source_layer: Box<SymbolGeometryTileLayer>,
    overscaling: f64,
    zoom: f64,
    canonical_id: CanonicalTileID,
    mode: MapMode,
    pixel_ratio: f64,
    tile_size: u32,
    tile_pixel_ratio: f64,
    icons_need_linear: bool,
    sort_features_by_y: bool,
    sort_features_by_key: bool,
    allow_vertical_placement: bool,
    icons_in_text: bool,
    placement_modes: Vec<TextWritingModeType>,
    text_size: <TextSize as DataDrivenLayoutProperty>::UnevaluatedType,
    icon_size: <IconSize as DataDrivenLayoutProperty>::UnevaluatedType,
    text_radial_offset: <TextRadialOffset as DataDrivenLayoutProperty>::UnevaluatedType,
    layout: SymbolLayoutProperties_PossiblyEvaluated,
    features: Vec<SymbolGeometryTileFeature>,
    bidi: BiDi,
    compare_text: BTreeMap<U16String, Vec<Anchor>>,
}

maplibre/maplibre-native#4add9ea original name: SymbolLayout

Fields

layer_paint_properties: BTreeMap<String, LayerProperties>

bucket_leader_id: String

symbol_instances: Vec<SymbolInstance>

sort_key_ranges: Vec<SortKeyRange>

source_layer: Box<SymbolGeometryTileLayer>

overscaling: f64

zoom: f64

canonical_id: CanonicalTileID

mode: MapMode

pixel_ratio: f64

tile_size: u32

tile_pixel_ratio: f64

icons_need_linear: bool

sort_features_by_y: bool

sort_features_by_key: bool

allow_vertical_placement: bool

icons_in_text: bool

placement_modes: Vec<TextWritingModeType>

text_size: <TextSize as DataDrivenLayoutProperty>::UnevaluatedType

icon_size: <IconSize as DataDrivenLayoutProperty>::UnevaluatedType

text_radial_offset: <TextRadialOffset as DataDrivenLayoutProperty>::UnevaluatedType

layout: SymbolLayoutProperties_PossiblyEvaluated

features: Vec<SymbolGeometryTileFeature>

bidi: BiDi

compare_text: BTreeMap<U16String, Vec<Anchor>>

Implementations

impl SymbolLayout

pub const INVALID_OFFSET_VALUE: f64 = 1.7976931348623157E+308f64

pub fn new( parameters: &BucketParameters, layers: &Vec<LayerProperties>, source_layer: Box<SymbolGeometryTileLayer>, layout_parameters: &mut LayoutParameters<'_>, ) -> Option<Self>

maplibre/maplibre-native#4add9ea original name: new

pub fn prepare_symbols( &mut self, glyph_map: &BTreeMap<u64, BTreeMap<u16, Option<Glyph>>>, glyph_positions: &BTreeMap<u64, BTreeMap<u16, GlyphPosition>>, image_map: &HashMap<String, Image>, image_positions: &HashMap<String, ImagePosition>, )

maplibre/maplibre-native#4add9ea original name: prepareSymbols

pub fn create_bucket( &self, _image_positions: HashMap<String, ImagePosition>, _feature_index: Box<FeatureIndex>, render_data: &mut HashMap<String, LayerRenderData>, first_load: bool, show_collision_boxes: bool, canonical: &CanonicalTileID, )

maplibre/maplibre-native#4add9ea original name: createBucket

fn has_symbol_instances(&self) -> bool

maplibre/maplibre-native#4add9ea original name: hasSymbolInstances

fn has_dependencies(&self) -> bool

maplibre/maplibre-native#4add9ea original name: hasDependencies

pub fn evaluate_variable_offset( anchor: SymbolAnchorType, offset: [f64; 2], ) -> [f64; 2]

@brief Calculates variable text offset.

@param anchor text anchor @param textOffset Either text-offset or [ text-radial-offset, INVALID_OFFSET_VALUE ] @return std::array<f64, 2> offset along x- and y- axis correspondingly. maplibre/maplibre-native#4add9ea original name: evaluateVariableOffset

pub fn calculate_tile_distances( line: &GeometryCoordinates, anchor: &Anchor, ) -> Vec<f64>

maplibre/maplibre-native#4add9ea original name: calculateTileDistances

impl SymbolLayout

fn add_feature( &mut self, layout_feature_index: usize, feature: &SymbolGeometryTileFeature, shaped_text_orientations: &ShapedTextOrientations, shaped_icon: Option<PositionedIcon>, image_map: &HashMap<String, Image>, text_offset: [f64; 2], layout_text_size: f64, layout_icon_size: f64, icon_type: SymbolContent, )

maplibre/maplibre-native#4add9ea original name: addFeature

fn anchor_is_too_close( &mut self, text: &U16String, repeat_distance: f64, anchor: &Anchor, ) -> bool

maplibre/maplibre-native#4add9ea original name: anchorIsTooClose

fn add_to_debug_buffers(&self, bucket: &mut SymbolBucket)

maplibre/maplibre-native#4add9ea original name: addToDebugBuffers

fn add_symbol( &self, buffer: &mut SymbolBucketBuffer, size_data: Range<f64>, symbol: &SymbolQuad, label_anchor: &Anchor, sort_key: f64, ) -> usize

maplibre/maplibre-native#4add9ea original name: addSymbol

fn add_symbols( &self, buffer: &mut SymbolBucketBuffer, size_data: Range<f64>, symbols: &Vec<SymbolQuad>, label_anchor: &Anchor, placed_symbol: &mut PlacedSymbol, sort_key: f64, ) -> usize

maplibre/maplibre-native#4add9ea original name: addSymbols

fn add_symbol_glyph_quads( &self, bucket: &mut SymbolBucket, symbol_instance: &SymbolInstance, feature: &SymbolGeometryTileFeature, writing_mode: WritingModeType, placed_index: Option<usize>, glyph_quads: &Vec<SymbolQuad>, canonical: &CanonicalTileID, last_added_section: Option<usize>, ) -> (usize, Option<usize>)

maplibre/maplibre-native#4add9ea original name: addSymbolGlyphQuads

fn update_paint_properties_for_section( &self, bucket: &SymbolBucket, feature: &SymbolGeometryTileFeature, section_index: usize, canonical: &CanonicalTileID, ) -> usize

maplibre/maplibre-native#4add9ea original name: updatePaintPropertiesForSection