Struct extendr_api::graphics::R_GE_gcontext

#[repr(C)]
pub struct R_GE_gcontext {
Show 14 fields
    pub col: i32,
    pub fill: i32,
    pub gamma: f64,
    pub lwd: f64,
    pub lty: i32,
    pub lend: u32,
    pub ljoin: u32,
    pub lmitre: f64,
    pub cex: f64,
    pub ps: f64,
    pub lineheight: f64,
    pub fontface: i32,
    pub fontfamily: [i8; 201],
    pub patternFill: *mut SEXPREC,

}
Expand description

A structure containing graphical parameters

This is how graphical parameters are passed from graphics systems to the graphics engine AND from the graphics engine to graphics devices.

Devices are not required to honour graphical parameters (e.g., alpha transparency is going to be tough for some)

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§col: i32

pen colour (lines, text, borders, …)

§fill: i32

fill colour (for polygons, circles, rects, …)

§gamma: f64

Gamma correction

§lwd: f64

Line width (roughly number of pixels)

§lty: i32

Line type (solid, dashed, dotted, …)

§lend: u32

Line end

§ljoin: u32

line join

§lmitre: f64

line mitre

§cex: f64

Character expansion (font size = fontsize*cex)

§ps: f64

Font size in points

§lineheight: f64

Line height (multiply by font size)

§fontface: i32

Font face (plain, italic, bold, …)

§fontfamily: [i8; 201]

Font family

§patternFill: *mut SEXPREC

Reference to a pattern fill

Trait Implementations§

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impl Clone for R_GE_gcontext

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fn clone(&self) -> R_GE_gcontext

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
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impl Debug for R_GE_gcontext

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

Formats the value using the given formatter. Read more
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impl Copy for R_GE_gcontext

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.