TextMetrics

script::dom::canvas::canvas2d::textmetrics

Struct TextMetrics 

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#[repr(C)]
pub(crate) struct TextMetrics {
Show 13 fields
    reflector_: Reflector,
    width: Finite<f64>,
    actualBoundingBoxLeft: Finite<f64>,
    actualBoundingBoxRight: Finite<f64>,
    fontBoundingBoxAscent: Finite<f64>,
    fontBoundingBoxDescent: Finite<f64>,
    actualBoundingBoxAscent: Finite<f64>,
    actualBoundingBoxDescent: Finite<f64>,
    emHeightAscent: Finite<f64>,
    emHeightDescent: Finite<f64>,
    hangingBaseline: Finite<f64>,
    alphabeticBaseline: Finite<f64>,
    ideographicBaseline: Finite<f64>,

}

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§reflector_: Reflector§width: Finite<f64>§actualBoundingBoxLeft: Finite<f64>§actualBoundingBoxRight: Finite<f64>§fontBoundingBoxAscent: Finite<f64>§fontBoundingBoxDescent: Finite<f64>§actualBoundingBoxAscent: Finite<f64>§actualBoundingBoxDescent: Finite<f64>§emHeightAscent: Finite<f64>§emHeightDescent: Finite<f64>§hangingBaseline: Finite<f64>§alphabeticBaseline: Finite<f64>§ideographicBaseline: Finite<f64>

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impl TextMetrics

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fn __assert_parent_type(&self)

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impl TextMetrics

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fn new_inherited( width: f64, actualBoundingBoxLeft: f64, actualBoundingBoxRight: f64, fontBoundingBoxAscent: f64, fontBoundingBoxDescent: f64, actualBoundingBoxAscent: f64, actualBoundingBoxDescent: f64, emHeightAscent: f64, emHeightDescent: f64, hangingBaseline: f64, alphabeticBaseline: f64, ideographicBaseline: f64, ) -> TextMetrics

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pub(crate) fn new( global: &GlobalScope, width: f64, actualBoundingBoxLeft: f64, actualBoundingBoxRight: f64, fontBoundingBoxAscent: f64, fontBoundingBoxDescent: f64, actualBoundingBoxAscent: f64, actualBoundingBoxDescent: f64, emHeightAscent: f64, emHeightDescent: f64, hangingBaseline: f64, alphabeticBaseline: f64, ideographicBaseline: f64, can_gc: CanGc, ) -> DomRoot<TextMetrics>

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pub(crate) fn default(global: &GlobalScope, can_gc: CanGc) -> DomRoot<Self>

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impl DomObject for TextMetrics

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fn reflector(&self) -> &Reflector

Returns the receiver’s reflector.
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impl DomObjectWrap<DomTypeHolder> for TextMetrics

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const WRAP: unsafe fn(SafeJSContext, &GlobalScope, Option<HandleObject<'_>>, Box<Self>, CanGc) -> Root<Dom<Self>> = {script_bindings::codegen::GenericBindings::TextMetricsBinding::Wrap::<dom::bindings::codegen::DomTypeHolder::DomTypeHolder> as for<'a, 'b> unsafe fn(script_bindings::script_runtime::JSContext, &'a dom::globalscope::GlobalScope, std::option::Option<js::rust::Handle<'b, *mut js::jsapi::JSObject>>, std::boxed::Box<dom::canvas::canvas2d::textmetrics::TextMetrics>, script_bindings::script_runtime::CanGc) -> script_bindings::root::Root<script_bindings::root::Dom<dom::canvas::canvas2d::textmetrics::TextMetrics>>}

Function pointer to the general wrap function type
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impl HasParent for TextMetrics

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fn as_parent(&self) -> &Reflector

This is used in a type assertion to ensure that the source and webidls agree as to what the parent type is

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type Parent = Reflector

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impl IDLInterface for TextMetrics

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fn derives(class: &'static DOMClass) -> bool

Returns whether the given DOM class derives that interface.
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impl MallocSizeOf for TextMetrics

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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize

Measure the heap usage of all descendant heap-allocated structures, but not the space taken up by the value itself.
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impl MutDomObject for TextMetrics

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unsafe fn init_reflector(&self, obj: *mut JSObject)

Initializes the Reflector Read more
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impl PartialEq for TextMetrics

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fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl TextMetricsMethods<DomTypeHolder> for TextMetrics

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fn Width(&self) -> Finite<f64>

https://html.spec.whatwg.org/multipage/#dom-textmetrics-width

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fn ActualBoundingBoxLeft(&self) -> Finite<f64>

https://html.spec.whatwg.org/multipage/#dom-textmetrics-actualboundingboxleft

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fn ActualBoundingBoxRight(&self) -> Finite<f64>

https://html.spec.whatwg.org/multipage/#dom-textmetrics-actualboundingboxright

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fn FontBoundingBoxAscent(&self) -> Finite<f64>

https://html.spec.whatwg.org/multipage/#dom-textmetrics-fontboundingboxascent

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fn FontBoundingBoxDescent(&self) -> Finite<f64>

https://html.spec.whatwg.org/multipage/#dom-textmetrics-fontboundingboxascent

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fn ActualBoundingBoxAscent(&self) -> Finite<f64>

https://html.spec.whatwg.org/multipage/#dom-textmetrics-actualboundingboxascent

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fn ActualBoundingBoxDescent(&self) -> Finite<f64>

https://html.spec.whatwg.org/multipage/#dom-textmetrics-actualboundingboxdescent

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fn EmHeightAscent(&self) -> Finite<f64>

https://html.spec.whatwg.org/multipage/#dom-textmetrics-emheightascent

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fn EmHeightDescent(&self) -> Finite<f64>

https://html.spec.whatwg.org/multipage/#dom-textmetrics-emheightdescent

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fn HangingBaseline(&self) -> Finite<f64>

https://html.spec.whatwg.org/multipage/#dom-textmetrics-hangingbaseline

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fn AlphabeticBaseline(&self) -> Finite<f64>

https://html.spec.whatwg.org/multipage/#dom-textmetrics-alphabeticbaseline

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fn IdeographicBaseline(&self) -> Finite<f64>

https://html.spec.whatwg.org/multipage/#dom-textmetrics-ideographicbaseline

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impl ToJSValConvertible for TextMetrics

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unsafe fn to_jsval(&self, cx: *mut JSContext, rval: MutableHandleValue<'_>)

Convert self to a JSVal. JSAPI failure causes a panic.
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impl Traceable for TextMetrics

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unsafe fn trace(&self, tracer: *mut JSTracer)

Trace self.
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impl Eq for TextMetrics

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