[−][src]Struct andrew::Canvas
The canvas object acts as a wrapper around a buffer, providing information and functions for drawing
Fields
buffer: &'a mut [u8]
A buffer for the canvas to draw to
width: usize
The width in pixels of the canvas
height: usize
The height in pixels of the canvas
stride: usize
The number of bytes between each line of pixels on the canvas
pixel_size: usize
The number of bytes contained in each pixel
endianness: Endian
The endianness of the canvas
Methods
impl<'a> Canvas<'a>
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pub fn new(
buffer: &'a mut [u8],
width: usize,
height: usize,
stride: usize,
endianness: Endian
) -> Canvas<'a>
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buffer: &'a mut [u8],
width: usize,
height: usize,
stride: usize,
endianness: Endian
) -> Canvas<'a>
Creates a new canvas object
pub fn draw<D: Drawable>(&mut self, drawable: &D)
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Draws an object that implements the Drawable trait to the buffer
pub fn draw_point(&mut self, x: usize, y: usize, color: [u8; 4])
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Draws a pixel at the x and y coordinate
pub fn clear(&mut self)
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Clears the entire canvas buffer by zeroing it
Auto Trait Implementations
Blanket Implementations
impl<T, U> Into for T where
U: From<T>,
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U: From<T>,
impl<T> From for T
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impl<T, U> TryFrom for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T> Borrow for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T, U> TryInto for T where
U: TryFrom<T>,
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U: TryFrom<T>,